/* roulang page: index */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--text-on-dark);
            border: 1px solid rgba(245, 240, 232, 0.4);
        }

        .btn-outline-light:hover {
            border-color: var(--text-on-dark);
            background-color: rgba(245, 240, 232, 0.08);
            transform: translateY(-2px);
            color: var(--text-on-dark);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
            border: 1px solid var(--border);
            background-color: var(--card-bg);
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.04);
        }

        .chip.active {
            border-color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            font-weight: 600;
        }

        .card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            line-height: 1.5;
            letter-spacing: 0.5px;
        }

        .tag-primary {
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
        }

        .tag-accent {
            background-color: rgba(194, 161, 75, 0.12);
            color: #8A742E;
        }

        .tag-green {
            background-color: rgba(31, 61, 43, 0.08);
            color: var(--secondary);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(248, 245, 240, 0.95);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-base);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
            background-color: rgba(248, 245, 240, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            min-height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 1.5px;
            line-height: 1.3;
        }

        .logo-text small {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-tab:hover {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.05);
        }

        .nav-tab.active {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            border-color: rgba(123, 30, 43, 0.2);
            font-weight: 600;
        }

        .nav-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 32px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid var(--border);
            background-color: var(--card-bg);
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 16px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: var(--bg);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-nav);
            z-index: 999;
            padding: 16px var(--container-pad) 24px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-tab {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 15px;
            border: 1px solid transparent;
            text-align: left;
        }

        .mobile-menu .nav-tab.active {
            background-color: rgba(123, 30, 43, 0.08);
            border-color: rgba(123, 30, 43, 0.2);
        }

        /* Hero Bento */
        .hero {
            padding-top: 120px;
            padding-bottom: 60px;
            background-image: linear-gradient(135deg, rgba(123, 30, 43, 0.72) 0%, rgba(31, 61, 43, 0.55) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: var(--text-on-dark);
            position: relative;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 20, 16, 0.25);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
            align-items: stretch;
        }

        .hero-main {
            grid-row: 1 / 3;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-main h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 1px;
            color: #fff;
            margin-bottom: 16px;
        }

        .hero-main .hero-sub {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 560px;
        }

        .hero-ctas {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-mini {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-mini .mini-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent-light);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .hero-mini .mini-value {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .hero-mini .mini-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .hero-cta-bar {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 16px 24px;
            flex-wrap: wrap;
        }

        .hero-cta-bar .cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
        }

        /* Service Section */
        .services-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 20px;
        }

        .service-card-large {
            grid-row: span 2;
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 320px;
        }

        .service-card {
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 150px;
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(123, 30, 43, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .service-card:hover .service-icon,
        .service-card-large:hover .service-icon {
            background-color: rgba(123, 30, 43, 0.15);
        }

        .service-card h3,
        .service-card-large h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.4;
        }

        .service-card p,
        .service-card-large p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }

        /* Data Section */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 40px 0;
        }

        .data-item {
            text-align: center;
            padding: 20px 16px;
            border-right: 1px solid rgba(245, 240, 232, 0.15);
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-value {
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .data-label {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            margin-top: 8px;
            line-height: 1.6;
        }

        /* Deep Content Section 1 */
        .deep-1-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: center;
        }

        .deep-1-text .section-title {
            margin-bottom: 16px;
        }

        .deep-1-text p {
            font-size: 15px;
            line-height: 2;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .deep-1-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .deep-1-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .deep-1-image .img-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background-color: rgba(26, 20, 16, 0.8);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
        }

        /* Deep Content Section 2 */
        .deep-2-list {
            display: grid;
            gap: 0;
        }

        .deep-2-item {
            display: grid;
            grid-template-columns: 80px 1fr auto;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        .deep-2-item:last-child {
            border-bottom: none;
        }

        .deep-2-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
            line-height: 1.3;
        }

        .deep-2-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .deep-2-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 600px;
        }

        .deep-2-meta {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            padding-top: 4px;
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: grid;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.6;
            padding-top: 2px;
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .news-content h4 a {
            color: var(--text-heading);
            transition: color var(--transition-fast);
        }

        .news-content h4 a:hover {
            color: var(--primary);
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
        }

        .news-sidebar h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
        }

        .sidebar-topic {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-body);
            transition: color var(--transition-fast);
        }

        .sidebar-topic:last-child {
            border-bottom: none;
        }

        .sidebar-topic:hover {
            color: var(--primary);
        }

        .sidebar-topic .count {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-light);
            background-color: rgba(123, 30, 43, 0.06);
            padding: 2px 10px;
            border-radius: var(--radius-chip);
        }

        /* Brand Story Band */
        .brand-story {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .brand-story::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .brand-story .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-story .story-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 3px;
            margin-bottom: 12px;
        }

        .brand-story h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: #fff;
            margin-bottom: 16px;
        }

        .brand-story p {
            font-size: 15px;
            line-height: 2;
            color: rgba(245, 240, 232, 0.85);
        }

        .brand-story .story-cta {
            margin-top: 20px;
        }

        /* Topics Cloud */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .topic-tag {
            display: inline-flex;
            padding: 8px 18px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-strong);
            color: var(--text-body);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .topic-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.04);
        }

        .topic-tag.hot {
            background-color: rgba(194, 161, 75, 0.1);
            border-color: var(--accent);
            color: #8A742E;
            font-weight: 600;
        }

        /* Assurance Bar */
        .assurance-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 24px 0;
        }

        .assurance-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: all var(--transition-fast);
        }

        .assurance-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .assurance-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: rgba(31, 61, 43, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .assurance-item h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .assurance-item p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Brand Intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-text .section-title {
            margin-bottom: 16px;
        }

        .brand-intro-text p {
            font-size: 15px;
            line-height: 2.1;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .brand-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brand-intro-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 8px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background-color: var(--card-bg);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            transition: all var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(123, 30, 43, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            padding: 0 20px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-light);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px;
        }

        .faq-item.active .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        /* CTA / Contact */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: start;
        }

        .cta-info .section-title {
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .cta-benefits {
            display: grid;
            gap: 8px;
        }

        .cta-benefit {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        .cta-benefit::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .cta-form {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-input);
            font-size: 15px;
            color: var(--text-body);
            background-color: #FDFBF7;
            transition: all var(--transition-fast);
            line-height: 1.6;
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(123, 30, 43, 0.12);
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark-muted);
            padding: 50px 0 30px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-text {
            color: var(--text-on-dark);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            display: grid;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 240, 232, 0.12);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.55);
        }

        .footer-bottom a {
            color: rgba(245, 240, 232, 0.7);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 56px 0;
            }

            .hero {
                padding-top: 100px;
                padding-bottom: 48px;
                min-height: 460px;
            }

            .hero-main h1 {
                font-size: 30px;
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card-large {
                grid-column: 1 / -1;
                grid-row: auto;
                min-height: auto;
            }

            .data-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 12px;
                padding: 28px 0;
            }

            .data-value {
                font-size: 30px;
            }

            .deep-1-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .deep-1-image img {
                height: 260px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .brand-story .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .assurance-bar {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
                --section-gap: 44px;
            }

            .header-inner {
                padding: 10px 0;
                min-height: 56px;
            }

            .nav-tabs {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-cta .btn {
                padding: 8px 16px;
                font-size: 13px;
            }

            .hero {
                padding-top: 80px;
                padding-bottom: 36px;
                min-height: auto;
            }

            .hero-bento {
                grid-template-columns: 1fr;
            }

            .hero-main {
                grid-row: auto;
                padding: 24px 20px;
            }

            .hero-main h1 {
                font-size: 26px;
                line-height: 1.4;
            }

            .hero-main .hero-sub {
                font-size: 14px;
            }

            .hero-mini {
                padding: 16px 18px;
            }

            .hero-mini .mini-value {
                font-size: 20px;
            }

            .hero-cta-bar {
                grid-column: 1;
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 18px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-desc {
                font-size: 14px;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .service-card-large,
            .service-card {
                min-height: auto;
                padding: 18px 16px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                padding: 20px 0;
            }

            .data-item {
                border-right: none;
                border-bottom: 1px solid rgba(245, 240, 232, 0.12);
                padding: 12px 8px;
            }

            .data-item:nth-child(odd) {
                border-right: 1px solid rgba(245, 240, 232, 0.12);
            }

            .data-item:nth-last-child(-n+2) {
                border-bottom: none;
            }

            .data-value {
                font-size: 26px;
            }

            .deep-2-item {
                grid-template-columns: 50px 1fr;
                gap: 12px;
                padding: 14px 0;
            }

            .deep-2-num {
                font-size: 22px;
            }

            .deep-2-meta {
                display: none;
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 14px 0;
            }

            .news-date {
                font-size: 12px;
            }

            .assurance-bar {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .brand-story {
                padding: 40px 0;
            }

            .brand-story h2 {
                font-size: 22px;
            }

            .brand-story p {
                font-size: 14px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .cta-form {
                padding: 20px 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 36px 0;
                --section-gap: 36px;
            }

            .hero-main h1 {
                font-size: 22px;
                letter-spacing: 0.5px;
            }

            .hero-main .hero-sub {
                font-size: 13px;
                line-height: 1.8;
            }

            .hero-ctas {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                padding: 10px 20px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }

            .section-title {
                font-size: 19px;
            }

            .section-tag {
                font-size: 11px;
                letter-spacing: 1px;
            }

            .data-value {
                font-size: 22px;
            }

            .data-label {
                font-size: 12px;
            }

            .topic-tag {
                font-size: 12px;
                padding: 6px 14px;
            }

            .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }

            .site-footer {
                padding: 36px 0 20px;
                margin-top: 40px;
            }

            .footer-brand p {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .btn-light:focus-visible {
            outline: 2px solid rgba(194, 161, 75, 0.5);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(248, 245, 240, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base), background-color var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--primary-dark);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
            line-height: 1.5;
        }

        .nav-tab:hover {
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
        }

        .nav-tab.active {
            background-color: rgba(123, 30, 43, 0.1);
            color: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .nav-tab:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            transition: all var(--transition-fast);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger:hover {
            border-color: var(--primary);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            padding: 12px 0;
            border-top: 1px solid var(--border);
            background-color: rgba(248, 245, 240, 0.98);
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav .nav-tab {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            text-align: left;
        }

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: var(--text-on-dark);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(123, 30, 43, 0.82) 0%, rgba(31, 61, 43, 0.65) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .category-hero-content {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(194, 161, 75, 0.18);
            border: 1px solid rgba(194, 161, 75, 0.4);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: #fff;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-on-dark-muted);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-light);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-on-dark-muted);
            margin-top: 2px;
        }

        /* Data highlight strip */
        .data-strip {
            background-color: var(--primary-dark);
            padding: 36px 0;
            border-bottom: 3px solid var(--accent);
        }

        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-strip-item {
            text-align: center;
        }

        .data-strip-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-light);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .data-strip-label {
            font-size: 13px;
            color: var(--text-on-dark-muted);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        /* Capability section */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .capability-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--primary);
            transition: height var(--transition-base);
        }

        .capability-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .capability-card:hover::before {
            height: 100%;
        }

        .capability-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 16px;
            transition: background-color var(--transition-base);
        }

        .capability-card:hover .capability-icon {
            background-color: rgba(123, 30, 43, 0.14);
        }

        .capability-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .capability-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.85;
        }

        /* Data list section */
        .data-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .data-list-card {
            display: flex;
            gap: 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .data-list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .data-list-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 110px;
            border-radius: 8px;
            overflow: hidden;
        }

        .data-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .data-list-card:hover .data-list-thumb img {
            transform: scale(1.05);
        }

        .data-list-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .data-list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .data-list-date {
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }

        .data-list-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(31, 61, 43, 0.08);
            border-radius: var(--radius-chip);
            padding: 2px 10px;
            line-height: 1.6;
        }

        .data-list-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .data-list-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
        }

        .data-list-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            margin-top: 10px;
        }

        .data-list-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Sidebar filter */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 32px;
            align-items: start;
        }

        .sidebar-filter {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            position: sticky;
            top: 100px;
        }

        .sidebar-filter h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .filter-group {
            margin-bottom: 18px;
        }

        .filter-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-chip {
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg-warm);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
            line-height: 1.6;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-chip.active {
            background-color: rgba(123, 30, 43, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        .filter-select {
            width: 100%;
            padding: 10px 14px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            background: var(--bg-warm);
            font-size: 13px;
            color: var(--text-body);
            transition: all var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L2 4h8z' fill='%236B6560'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(123, 30, 43, 0.15);
        }

        /* Process / methodology */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: process-counter;
        }

        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
            counter-increment: process-counter;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .process-step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 14px;
            font-family: var(--font-mono);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* Scenario section */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scenario-card h3::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent);
            flex-shrink: 0;
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 8px;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            gap: 16px;
            transition: color var(--transition-fast);
            cursor: pointer;
            line-height: 1.6;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(123, 30, 43, 0.06);
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
            color: var(--text-on-dark);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-on-dark-muted);
            line-height: 1.9;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 32px;
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-on-dark-muted);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-on-dark);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(245, 240, 232, 0.5);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(194, 161, 75, 0.25);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 90px;
        }

        .cta-form .btn {
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background-color: #1A1410;
            color: var(--text-on-dark-muted);
            padding: 64px 0 28px;
            border-top: 3px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo:hover {
            color: var(--accent-light);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.85;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-on-dark-muted);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-on-dark-muted);
            line-height: 1.7;
        }

        .footer-bottom a {
            color: var(--text-on-dark-muted);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 64px;
                --section-gap-mobile: 40px;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-tabs {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
                scrollbar-width: thin;
            }

            .nav-tab {
                flex-shrink: 0;
            }

            .category-hero h1 {
                font-size: 34px;
            }

            .content-layout {
                grid-template-columns: 1fr;
            }

            .sidebar-filter {
                position: static;
                order: 2;
            }

            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-mobile: 32px;
                --container-pad: 16px;
            }

            .header-inner {
                gap: 8px;
            }

            .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-tabs {
                display: none;
            }

            .mobile-nav {
                display: none;
            }

            .mobile-nav.open {
                display: block;
            }

            .category-hero {
                min-height: 420px;
            }

            .category-hero .container {
                padding-top: 56px;
                padding-bottom: 56px;
            }

            .category-hero h1 {
                font-size: 28px;
                line-height: 1.4;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: 20px;
                margin-top: 28px;
            }

            .hero-stat-number {
                font-size: 26px;
            }

            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-strip-value {
                font-size: 28px;
            }

            .capability-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .data-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .data-list-card {
                flex-direction: column;
                gap: 12px;
            }

            .data-list-thumb {
                width: 100%;
                height: 180px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-form {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }

            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }

            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-strip-value {
                font-size: 24px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(248, 245, 240, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--text-heading);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            padding: 4px;
            background-color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-chip);
            border: 1px solid var(--border);
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-tab:hover {
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
        }

        .nav-tab.active {
            background-color: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.25);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(123, 30, 43, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-heading);
            transition: all var(--transition-base);
            border-radius: 2px;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero-category {
            padding: 56px 0 48px;
            background-color: var(--bg-warm);
            border-bottom: 1px solid var(--border);
        }

        .hero-category .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-category-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .hero-category-subtitle {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 520px;
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            align-items: stretch;
        }

        .hero-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 10px;
            transition: all var(--transition-base);
            cursor: default;
        }

        .hero-icon-item:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .hero-icon-item i {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .hero-icon-item span {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-body);
            line-height: 1.4;
        }

        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 24px;
            padding: 16px 20px;
            background-color: var(--secondary);
            border-radius: var(--radius-card);
            color: var(--text-on-dark);
            grid-column: 1 / -1;
        }

        .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-on-dark-muted);
        }

        .status-item strong {
            color: var(--accent);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* Data Overview */
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .overview-card {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(245, 240, 232, 0.1);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .overview-card:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(194, 161, 75, 0.4);
        }

        .overview-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: 1px;
            font-family: var(--font-mono);
        }

        .overview-label {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            margin-top: 8px;
            letter-spacing: 0.5px;
        }

        /* Main Content with Sidebar */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }

        .player-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .player-card {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 20px;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            align-items: center;
        }

        .player-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .player-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            border: 2px solid var(--border);
            flex-shrink: 0;
        }

        .player-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .player-info .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 8px;
        }

        .player-info .meta-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            letter-spacing: 0.3px;
        }

        .player-info .meta-date {
            font-size: 12px;
            color: var(--text-light);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .player-info .summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            max-width: 580px;
        }

        .player-card .btn-read {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .player-card .btn-read:hover {
            border-color: var(--primary);
            background-color: rgba(123, 30, 43, 0.05);
            color: var(--primary);
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: 96px;
        }

        .sidebar-widget {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-widget h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            padding: 8px 12px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-option:hover {
            background-color: rgba(123, 30, 43, 0.04);
            border-color: var(--border);
        }

        .filter-option input[type="checkbox"] {
            accent-color: var(--primary);
            width: 16px;
            height: 16px;
            cursor: pointer;
        }

        .filter-count {
            margin-left: auto;
            font-size: 12px;
            color: var(--text-light);
            background-color: var(--bg);
            padding: 2px 8px;
            border-radius: var(--radius-chip);
            font-weight: 500;
        }

        .hot-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hot-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-body);
            background-color: var(--bg);
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .hot-tag:hover {
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        /* Deep Report */
        .report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .report-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .report-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .report-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(31, 61, 43, 0.7), transparent);
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        .report-image .image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 2;
            background-color: var(--accent);
            color: var(--text-heading);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            letter-spacing: 1px;
        }

        .report-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .report-content p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .report-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            padding: 16px;
            background-color: var(--bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
        }

        .report-stat {
            text-align: center;
            flex: 1;
            min-width: 80px;
        }

        .report-stat .value {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: 1px;
        }

        .report-stat .label {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* Technical Analysis */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tech-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .tech-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .tech-card .tech-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background-color: rgba(123, 30, 43, 0.08);
            border-radius: 50%;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .tech-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .tech-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
        }

        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            transition: all var(--transition-fast);
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--bg);
            color: var(--text-body);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* CTA / Contact */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-info h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 20px;
            max-width: 480px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea {
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            background-color: var(--bg-warm);
            font-size: 15px;
            color: var(--text-body);
            transition: all var(--transition-fast);
            resize: vertical;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-light);
            opacity: 0.7;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: 2px solid rgba(123, 30, 43, 0.15);
        }

        .form-submit {
            align-self: flex-start;
            padding: 12px 32px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: var(--text-on-dark);
            margin-bottom: 12px;
        }

        .footer-brand .logo:hover {
            color: var(--text-on-dark);
        }

        .footer-brand .logo-text small {
            color: var(--text-on-dark-muted);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(245, 240, 232, 0.12);
            font-size: 13px;
            color: var(--text-on-dark-muted);
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: var(--text-on-dark-muted);
            transition: all var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-widget {
                flex: 1;
                min-width: 260px;
            }
            .hero-category .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-status-bar {
                grid-column: auto;
            }
            .report-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tech-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                flex-wrap: nowrap;
            }
            .nav-tabs {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: var(--bg-warm);
                border: 1px solid var(--border);
                border-radius: 0 0 var(--radius-card) var(--radius-card);
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                z-index: 99;
            }
            .nav-tabs.open {
                display: flex;
            }
            .nav-tab {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 13px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-category {
                padding: 32px 0;
            }
            .hero-category-title {
                font-size: 26px;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .overview-number {
                font-size: 30px;
            }
            .player-card {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
                text-align: left;
            }
            .player-avatar {
                width: 48px;
                height: 48px;
                font-size: 20px;
                margin-bottom: 4px;
            }
            .player-card .btn-read {
                align-self: flex-start;
            }
            .sidebar {
                flex-direction: column;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category-title {
                font-size: 22px;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .hero-icon-item {
                padding: 12px 8px;
            }
            .hero-icon-item i {
                font-size: 20px;
            }
            .hero-icon-item span {
                font-size: 10px;
            }
            .overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .overview-card {
                padding: 18px 12px;
            }
            .overview-number {
                font-size: 24px;
            }
            .overview-label {
                font-size: 12px;
            }
            .report-stat .value {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }
        .section-warm {
            background-color: var(--bg-warm);
        }
        .section-title-area {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }
        .section-dark .section-title {
            color: var(--text-on-dark);
        }
        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }
        .section-dark .section-tag {
            color: var(--accent);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }
        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }
        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }
        .btn-light:focus-visible {
            outline: 2px solid rgba(245, 240, 232, 0.5);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background-color: transparent;
            color: var(--text-on-dark);
            border: 1px solid rgba(245, 240, 232, 0.5);
        }
        .btn-outline-light:hover {
            background-color: rgba(245, 240, 232, 0.1);
            border-color: var(--text-on-dark);
            transform: translateY(-2px);
            color: var(--text-on-dark);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(248, 245, 240, 0.95);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base), background-color var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
            background-color: rgba(248, 245, 240, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 68px;
            padding: 0 var(--container-pad);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            border-radius: 8px;
            letter-spacing: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text small {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 3px;
            color: var(--text-light);
            text-transform: uppercase;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-chip);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .nav-tab:hover {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.06);
            border-color: rgba(123, 30, 43, 0.15);
        }
        .nav-tab.active {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.1);
            border-color: var(--primary);
            font-weight: 600;
        }
        .nav-tab:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background-color var(--transition-fast);
        }
        .nav-toggle:hover {
            background-color: rgba(123, 30, 43, 0.08);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav Drawer */
        .mobile-nav {
            display: none;
            background-color: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: 12px var(--container-pad) 20px;
            max-height: 60vh;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mobile-nav-tabs .nav-tab {
            padding: 10px 18px;
            font-size: 14px;
            border: 1px solid var(--border);
            background-color: var(--card-bg);
        }
        .mobile-nav-tabs .nav-tab.active {
            border-color: var(--primary);
            background-color: rgba(123, 30, 43, 0.1);
        }
        .mobile-nav-cta {
            margin-top: 16px;
            display: flex;
            gap: 12px;
        }

        /* Hero - 白皮书获客风格 */
        .hero-intel {
            padding-top: 140px;
            padding-bottom: 60px;
            background: linear-gradient(135deg, rgba(123, 30, 43, 0.92) 0%, rgba(31, 61, 43, 0.82) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }
        .hero-intel::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(248, 245, 240, 1) 0%, rgba(248, 245, 240, 0) 100%);
            pointer-events: none;
        }
        .hero-intel-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-intel-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(194, 161, 75, 0.2);
            border: 1px solid rgba(194, 161, 75, 0.45);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            letter-spacing: 2px;
            margin-bottom: 20px;
        }
        .hero-intel h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-intel h1 .highlight {
            color: var(--accent-light);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 2px;
        }
        .hero-intel-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-on-dark-muted);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-intel-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-intel-cover {
            background: linear-gradient(150deg, #fff 0%, #F5EBD8 100%);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(194, 161, 75, 0.35);
            position: relative;
        }
        .hero-intel-cover::before {
            content: '球队情报';
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 4px;
            color: var(--primary);
            text-transform: uppercase;
            writing-mode: vertical-rl;
        }
        .hero-intel-cover img {
            border-radius: 8px;
            margin-bottom: 18px;
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .hero-intel-cover-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .hero-intel-cover-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .hero-intel-cover-toc {
            list-style: none;
            padding: 0;
        }
        .hero-intel-cover-toc li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-body);
            padding: 7px 0;
            border-bottom: 1px dashed var(--border);
        }
        .hero-intel-cover-toc li:last-child {
            border-bottom: none;
        }
        .hero-intel-cover-toc .toc-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background-color: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .hero-intel-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 32px;
            font-size: 13px;
            color: var(--text-on-dark-muted);
        }
        .hero-intel-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-intel-meta .meta-dot {
            width: 4px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 50%;
        }

        /* Info Dimension Cards */
        .intel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .intel-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .intel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .intel-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .intel-card:hover::before {
            opacity: 1;
        }
        .intel-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background-color: rgba(123, 30, 43, 0.1);
            border-radius: 10px;
            margin-bottom: 16px;
            font-size: 24px;
            color: var(--primary);
        }
        .intel-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .intel-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .intel-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            margin-top: 14px;
            letter-spacing: 1px;
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background-color: rgba(245, 240, 232, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(245, 240, 232, 0.1);
            transition: all var(--transition-fast);
        }
        .stat-item:hover {
            background-color: rgba(245, 240, 232, 0.1);
            border-color: rgba(194, 161, 75, 0.4);
        }
        .stat-number {
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-mono);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            margin-top: 8px;
            letter-spacing: 1px;
        }

        /* Team Focus List */
        .team-focus-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .team-focus-item {
            display: flex;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .team-focus-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .team-focus-item img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .team-focus-info {
            flex: 1;
        }
        .team-focus-info .team-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .team-focus-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .team-focus-info p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .team-focus-info .btn-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 8px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .team-focus-info .btn-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Process Timeline */
        .process-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 26px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -18px;
            width: 18px;
            height: 2px;
            background-color: var(--border-strong);
        }
        .process-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 14px;
            font-family: var(--font-mono);
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Scenario Chips */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card .sc-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .scenario-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Deep Dive Section */
        .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-grid img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .deep-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-text .key-point {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.06);
            padding: 5px 14px;
            border-radius: var(--radius-chip);
            margin-bottom: 12px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 10px;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            transition: all var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background-color: rgba(123, 30, 43, 0.08);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition-base);
        }
        .faq-item.active .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA / Subscribe */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .cta-benefits {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }
        .cta-benefits li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background-color: rgba(31, 61, 43, 0.15);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .cta-form {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 12px 16px;
            background-color: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            font-size: 15px;
            color: var(--text-body);
            transition: all var(--transition-fast);
            outline: none;
            margin-bottom: 16px;
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(123, 30, 43, 0.15);
            background-color: #fff;
        }
        .cta-form textarea {
            resize: vertical;
            min-height: 100px;
        }
        .cta-form .btn {
            width: 100%;
            padding: 14px 28px;
            font-size: 16px;
        }
        .form-note {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            color: var(--text-on-dark);
            margin-bottom: 14px;
        }
        .footer-brand .logo:hover {
            color: var(--accent-light);
        }
        .footer-brand .logo-icon {
            background-color: var(--primary);
        }
        .footer-brand .logo-text small {
            color: var(--text-on-dark-muted);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(245, 240, 232, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-on-dark-muted);
        }
        .footer-bottom a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-intel-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-intel-cover {
                max-width: 480px;
            }
            .intel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 16px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
            }
            .header-inner {
                min-height: 60px;
            }
            .nav-tabs {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
                max-height: 0;
                overflow: hidden;
                padding-top: 0;
                padding-bottom: 0;
                transition: max-height var(--transition-base), padding var(--transition-base);
            }
            .mobile-nav.open {
                max-height: 60vh;
                padding-top: 12px;
                padding-bottom: 20px;
            }
            .hero-intel {
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .hero-intel h1 {
                font-size: 28px;
            }
            .hero-intel-subtitle {
                font-size: 15px;
            }
            .hero-intel-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-intel-actions .btn {
                width: 100%;
            }
            .hero-intel-cover {
                padding: 20px;
            }
            .hero-intel-cover img {
                height: 160px;
            }
            .section-title {
                font-size: 24px;
            }
            .intel-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .team-focus-list {
                grid-template-columns: 1fr;
            }
            .process-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .deep-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-grid img {
                height: 220px;
            }
            .cta-form {
                padding: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
                --section-gap: 40px;
            }
            .hero-intel h1 {
                font-size: 24px;
            }
            .hero-intel-meta {
                flex-direction: column;
                gap: 8px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                padding: 18px;
            }
            .team-focus-item {
                flex-direction: column;
            }
            .team-focus-item img {
                width: 100%;
                height: 160px;
            }
            .cta-form {
                padding: 18px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
            box-shadow: none;
            border: 1px solid transparent;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .btn:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.4);
            outline-offset: 2px;
        }

        /* Header/Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(248, 245, 240, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base), background-color var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
            background-color: rgba(248, 245, 240, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background-color: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            color: var(--text-body);
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.3px;
        }

        .nav-tab:hover {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.06);
        }

        .nav-tab.active {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.1);
            border-color: var(--primary);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .header-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Hero */
        .hero-fan {
            background: linear-gradient(135deg, rgba(31, 61, 43, 0.92) 0%, rgba(123, 30, 43, 0.88) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: var(--text-on-dark);
            padding: 80px 0 96px;
            position: relative;
            overflow: hidden;
        }

        .hero-fan::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), transparent 70%);
        }

        .hero-fan-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-fan-content h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 1px;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-fan-content .hero-sub {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-on-dark-muted);
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-fan-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-fan-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 28px 28px 24px;
        }

        .hero-fan-panel h2 {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .fan-rank-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .fan-rank-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            color: var(--text-on-dark);
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .fan-rank-list li:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .fan-rank-list .rank-num {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            width: 28px;
            text-align: center;
        }

        .fan-rank-list .rank-info {
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .fan-rank-list .rank-info strong {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }

        .fan-rank-list .rank-info span {
            font-size: 12px;
            color: var(--text-on-dark-muted);
        }

        /* Main content sections */
        .culture-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .culture-intro-text p {
            font-size: 15px;
            line-height: 2.0;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .culture-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .culture-intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .culture-intro-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
            pointer-events: none;
        }

        .culture-intro-image .img-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            z-index: 1;
        }

        /* Story list */
        .story-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 2px solid var(--border-strong);
        }

        .story-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 24px;
            align-items: start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-fast);
            border-radius: 4px;
        }

        .story-item:hover {
            background-color: var(--bg-warm);
            padding-left: 12px;
            padding-right: 12px;
        }

        .story-date {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.5px;
            padding-top: 2px;
        }

        .story-main h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .story-main h3 a {
            color: var(--text-heading);
            transition: color var(--transition-fast);
        }

        .story-main h3 a:hover {
            color: var(--primary);
        }

        .story-main .story-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 8px;
            max-width: 600px;
        }

        .story-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: var(--text-light);
        }

        .story-meta .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 2px 12px;
            border-radius: var(--radius-chip);
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .story-action .btn {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* Culture activities */
        .activities-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .activity-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .activity-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .activity-card .activity-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: rgba(123, 30, 43, 0.1);
            color: var(--primary);
            font-size: 22px;
            font-weight: 700;
        }

        .activity-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
        }

        .activity-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.9;
            flex: 1;
        }

        .activity-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Stats band */
        .stats-band {
            background: linear-gradient(120deg, var(--secondary) 0%, var(--secondary-light) 60%, #3A6B50 100%);
            color: var(--text-on-dark);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='2' cy='2' r='1' fill='rgba(194,161,75,0.12)'/%3E%3C/svg%3E");
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: 0;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            letter-spacing: 0.3px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-base);
            user-select: none;
        }

        .faq-item.active .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, rgba(123, 30, 43, 0.95) 0%, rgba(95, 23, 33, 0.98) 100%),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            color: var(--text-on-dark);
            padding: 80px 0;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .cta-info h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-on-dark-muted);
            line-height: 1.9;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 32px;
        }

        .cta-form .form-group {
            margin-bottom: 18px;
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 12px 16px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-input);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 161, 75, 0.2);
            background-color: rgba(255, 255, 255, 0.14);
        }

        .cta-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .cta-form .btn-primary {
            width: 100%;
            background-color: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(194, 161, 75, 0.3);
        }

        .cta-form .btn-primary:hover {
            background-color: var(--accent-light);
            color: var(--secondary);
            box-shadow: 0 6px 20px rgba(194, 161, 75, 0.4);
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(245, 240, 232, 0.15);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-text small {
            color: var(--text-on-dark-muted);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.9;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-on-dark-muted);
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-fan-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-fan-panel {
                max-width: 480px;
            }
            .activities-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .culture-intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-tabs {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--bg-warm);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-nav);
                gap: 4px;
            }
            .nav-tabs.show {
                display: flex;
            }
            .nav-tab {
                padding: 10px 16px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                margin-left: auto;
            }
            .header-cta .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .hero-fan {
                padding: 48px 0 64px;
            }
            .hero-fan-content h1 {
                font-size: 28px;
            }
            .story-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px 0;
            }
            .story-date {
                font-size: 13px;
            }
            .story-action {
                margin-top: 4px;
            }
            .activities-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
                --section-gap: 40px;
            }
            .hero-fan-content h1 {
                font-size: 26px;
            }
            .hero-fan-actions {
                flex-direction: column;
            }
            .hero-fan-actions .btn {
                width: 100%;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .story-item:hover {
                padding-left: 0;
                padding-right: 0;
            }
            .cta-form {
                padding: 24px;
            }
            .footer-bottom {
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #ffffff;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }
        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
            position: relative;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }
        .section-dark .section-title {
            color: var(--text-on-dark);
        }
        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }
        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }
        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }
        .btn-outline-light {
            background-color: transparent;
            color: var(--text-on-dark);
            border: 1px solid var(--text-on-dark-muted);
        }
        .btn-outline-light:hover {
            background-color: rgba(245, 240, 232, 0.08);
            border-color: var(--text-on-dark);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(248, 245, 240, 0.97);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.25);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text small {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 3px;
            color: var(--text-light);
            text-transform: uppercase;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .nav-tab:hover {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.04);
            border-color: rgba(123, 30, 43, 0.12);
        }
        .nav-tab.active {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.08);
            border-color: rgba(123, 30, 43, 0.22);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .header-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background-color: var(--card-bg);
            transition: all var(--transition-base);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger:hover {
            border-color: var(--primary);
        }
        .mobile-nav {
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            background-color: var(--bg-warm);
            border-top: 1px solid var(--border);
        }
        .mobile-nav.open {
            max-height: 600px;
        }
        .mobile-nav .nav-tabs {
            flex-direction: column;
            align-items: stretch;
            padding: 16px var(--container-pad);
            gap: 4px;
        }
        .mobile-nav .nav-tab {
            width: 100%;
            text-align: left;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
        }
        .mobile-nav .header-cta {
            padding: 0 var(--container-pad) 16px;
        }
        .mobile-nav .header-cta .btn {
            width: 100%;
            justify-content: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--border-strong);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .category-hero {
            position: relative;
            padding: 72px 0 80px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(123, 30, 43, 0.82) 0%, rgba(31, 61, 43, 0.65) 100%);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 0v40M0 20h40' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        .category-hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }
        .category-hero .section-tag {
            color: var(--accent-light);
            border-left-color: var(--accent);
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: rgba(245, 240, 232, 0.85);
            line-height: 1.9;
            max-width: 620px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-stats-mini {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stats-mini .stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stats-mini .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .hero-stats-mini .stat-label {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.7);
            margin-top: 4px;
        }

        .data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .data-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
        }
        .data-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .data-card .data-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }
        .data-card .data-num {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .data-card .data-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
            font-weight: 500;
        }
        .data-card .data-desc {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 10px;
            line-height: 1.7;
        }

        .method-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .method-showcase.reverse {
            direction: rtl;
        }
        .method-showcase.reverse>* {
            direction: ltr;
        }
        .method-showcase .method-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .method-showcase .method-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .method-showcase .method-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 61, 43, 0.35) 0%, transparent 40%);
            pointer-events: none;
        }
        .method-showcase .method-image:hover img {
            transform: scale(1.04);
        }
        .method-showcase .method-info {
            padding: 8px 0;
        }
        .method-showcase .method-info h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .method-showcase .method-info p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 14px;
        }
        .method-showcase .method-info .text-light {
            color: var(--text-light);
            font-size: 14px;
        }
        .method-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .method-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 600;
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
            border: 1px solid rgba(123, 30, 43, 0.14);
        }
        .method-tag.green {
            background-color: rgba(31, 61, 43, 0.08);
            color: var(--secondary);
            border-color: rgba(31, 61, 43, 0.16);
        }
        .method-tag.gold {
            background-color: rgba(194, 161, 75, 0.1);
            color: #8B7A3E;
            border-color: rgba(194, 161, 75, 0.22);
        }

        .content-grid-entries {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-entry-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .content-entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .content-entry-card .entry-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .content-entry-card .entry-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .content-entry-card:hover .entry-image img {
            transform: scale(1.06);
        }
        .content-entry-card .entry-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-entry-card .entry-date {
            font-size: 13px;
            font-family: var(--font-mono);
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .content-entry-card .entry-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .content-entry-card .entry-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 16px;
        }
        .content-entry-card .entry-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }
        .content-entry-card .entry-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .content-entry-card .entry-link .arrow {
            font-size: 16px;
            transition: transform var(--transition-fast);
        }

        .timeline-section {
            padding: var(--section-gap) 0;
            background-color: var(--bg-warm);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .timeline-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 40px;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border-strong) 0 6px, transparent 6px 12px);
        }
        .timeline-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .timeline-step .step-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--card-bg);
            border: 3px solid var(--primary);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .timeline-step:hover .step-dot {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(123, 30, 43, 0.3);
        }
        .timeline-step .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .timeline-step .step-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .training-zone {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
        }
        .zone-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 14px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .zone-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--accent);
        }
        .zone-card .zone-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .zone-card .zone-range {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
            line-height: 1.3;
        }
        .zone-card .zone-unit {
            font-size: 11px;
            color: var(--text-light);
            margin-top: 2px;
        }
        .zone-card .zone-use {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 8px;
            line-height: 1.6;
        }

        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
        }
        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            transition: all var(--transition-base);
            background: none;
            border: none;
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .faq-item.active .faq-question .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
        }

        .cta-section {
            background-color: var(--primary);
            color: var(--text-on-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 0v80M0 40h80' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 15px;
            color: rgba(245, 240, 232, 0.8);
            line-height: 1.9;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(10px);
        }
        .cta-form input,
        .cta-form textarea {
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: all var(--transition-base);
            width: 100%;
            resize: vertical;
            outline: none;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 161, 75, 0.2);
            background-color: rgba(255, 255, 255, 0.14);
        }
        .cta-form .btn {
            width: 100%;
            background-color: var(--accent);
            color: var(--secondary);
            font-weight: 700;
        }
        .cta-form .btn:hover {
            background-color: var(--accent-light);
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(245, 240, 232, 0.1);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.55);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(245, 240, 232, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 12px;
            }
            .nav-tabs {
                gap: 2px;
            }
            .nav-tab {
                padding: 7px 12px;
                font-size: 13px;
            }
            .content-grid-entries {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-dashboard {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .timeline-list::before {
                display: none;
            }
            .training-zone {
                grid-template-columns: repeat(3, 1fr);
            }
            .method-showcase {
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 0;
            }
            .nav-tabs {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero {
                padding: 48px 0 56px;
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .data-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                margin-top: -30px;
            }
            .data-card {
                padding: 16px 12px;
            }
            .data-card .data-num {
                font-size: 26px;
            }
            .content-grid-entries {
                grid-template-columns: 1fr;
            }
            .method-showcase {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .method-showcase .method-image img {
                height: 220px;
            }
            .timeline-list {
                grid-template-columns: 1fr 1fr;
            }
            .training-zone {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-stats-mini {
                gap: 20px;
            }
            .hero-stats-mini .stat-num {
                font-size: 24px;
            }
            .hero-actions .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .data-dashboard {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .timeline-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .training-zone {
                grid-template-columns: 1fr;
            }
            .content-entry-card .entry-image {
                height: 160px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .hero-stats-mini {
                flex-direction: column;
                gap: 12px;
            }
            .cta-form {
                padding: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary-dark, #1F3D2B);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(248, 245, 240, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base), background-color var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 var(--container-pad);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-heading);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background-color: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            border-radius: 10px;
            letter-spacing: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 400;
            letter-spacing: 3px;
            color: var(--text-light);
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px;
            background-color: rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-chip);
            border: 1px solid var(--border);
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-tab:hover {
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.05);
        }

        .nav-tab.active {
            background-color: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.25);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .header-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background-color: #fff;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            background-color: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 16px var(--container-pad);
            box-shadow: var(--shadow-nav);
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav .nav-tabs {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            border: none;
            background: transparent;
            padding: 0;
        }

        .mobile-nav .nav-tab {
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            border: 1px solid var(--border);
            background: #fff;
        }

        .mobile-nav .nav-tab.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .hero-tactics {
            position: relative;
            padding: 80px 0 72px;
            background-image: linear-gradient(135deg, rgba(123, 30, 43, 0.88) 0%, rgba(31, 61, 43, 0.72) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: var(--text-on-dark);
            overflow: hidden;
        }

        .hero-tactics::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
        }

        .hero-tactics .container {
            position: relative;
            z-index: 1;
        }

        .hero-content-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent-light);
            margin-bottom: 16px;
            background-color: rgba(194, 161, 75, 0.15);
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(194, 161, 75, 0.3);
        }

        .hero-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-on-dark-muted);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .hero-stat-card {
            background-color: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(245, 240, 232, 0.18);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .hero-stat-card:hover {
            background-color: rgba(255, 255, 255, 0.14);
            border-color: rgba(194, 161, 75, 0.4);
        }

        .hero-stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-light);
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-on-dark-muted);
            margin-top: 6px;
            line-height: 1.5;
        }

        .tactics-intro {
            padding: var(--section-gap) 0;
        }

        .tactics-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .tactics-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .tactics-intro-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
        }

        .tactics-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .tactics-intro-text .section-title {
            margin-bottom: 16px;
        }

        .tactics-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .tactics-intro-text .highlight-text {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.8;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            margin: 20px 0;
        }

        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .dimension-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .dimension-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .dimension-card:hover::before {
            opacity: 1;
        }

        .dimension-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background-color: rgba(123, 30, 43, 0.08);
            border-radius: var(--radius-btn);
            font-size: 20px;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .dimension-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .dimension-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-light);
        }

        .analysis-showcase {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: var(--section-gap) 0;
            position: relative;
            overflow: hidden;
        }

        .analysis-showcase::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 320px;
            background-image: radial-gradient(circle at center, rgba(194, 161, 75, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .showcase-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(245, 240, 232, 0.15);
        }

        .showcase-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .showcase-content .section-tag {
            color: var(--accent);
        }

        .showcase-content .section-title {
            color: var(--text-on-dark);
            margin-bottom: 16px;
        }

        .showcase-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-on-dark-muted);
            margin-bottom: 14px;
        }

        .showcase-list {
            list-style: none;
            margin-top: 16px;
        }

        .showcase-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(245, 240, 232, 0.1);
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.7;
        }

        .showcase-list li::before {
            content: '';
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent);
            margin-top: 8px;
        }

        .method-flow {
            padding: var(--section-gap) 0;
            background-color: var(--bg-warm);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .flow-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
            counter-increment: step;
        }

        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .flow-step::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: rgba(123, 30, 43, 0.12);
            position: absolute;
            top: 16px;
            right: 18px;
            line-height: 1;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.5;
            padding-right: 40px;
        }

        .flow-step p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-light);
        }

        .scenario-section {
            padding: var(--section-gap) 0;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .scenario-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .scenario-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .scenario-card:hover .scenario-card-image img {
            transform: scale(1.04);
        }

        .scenario-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .scenario-card-body p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-light);
            flex: 1;
        }

        .scenario-tag {
            display: inline-flex;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(123, 30, 43, 0.07);
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .faq-section {
            padding: var(--section-gap) 0;
            background-color: var(--bg-warm);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            width: 100%;
            line-height: 1.6;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(123, 30, 43, 0.06);
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-light);
        }

        .cta-section {
            padding: var(--section-gap) 0;
            background-image: linear-gradient(135deg, rgba(123, 30, 43, 0.92) 0%, rgba(31, 61, 43, 0.8) 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: var(--text-on-dark);
            text-align: center;
        }

        .cta-section .section-title {
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section .section-desc {
            color: var(--text-on-dark-muted);
            margin: 0 auto 28px;
            max-width: 600px;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(245, 240, 232, 0.3);
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(245, 240, 232, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 2px rgba(194, 161, 75, 0.3);
        }

        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            border-top: 3px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: var(--text-on-dark);
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            background-color: var(--primary);
        }

        .footer-brand .logo-text small {
            color: var(--text-on-dark-muted);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-on-dark-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            border-bottom: 1px solid rgba(245, 240, 232, 0.15);
            padding-bottom: 10px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark-muted);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(245, 240, 232, 0.12);
            font-size: 13px;
            color: var(--text-on-dark-muted);
        }

        .footer-bottom a {
            color: var(--text-on-dark-muted);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 1024px) {
            .hero-content-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tactics-intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: 60px;
                padding: 10px var(--container-pad);
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .nav-tabs {
                order: 3;
                width: 100%;
                flex-wrap: nowrap;
                overflow-x: auto;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 13px;
                flex-shrink: 0;
            }
            .header-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-tactics {
                padding: 56px 0 48px;
            }
            .hero-title {
                font-size: 28px;
                line-height: 1.4;
            }
            .hero-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .hero-stat-number {
                font-size: 24px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-form input {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                               width: 100%;
                flex: 1;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #7B1E2B;
            --primary-dark: #5F1721;
            --primary-light: #9A3A45;
            --secondary: #1F3D2B;
            --secondary-light: #2E5A40;
            --bg: #F8F5F0;
            --bg-warm: #FDFBF7;
            --card-bg: #FFFFFF;
            --accent: #C2A14B;
            --accent-light: #D4BC7A;
            --text-heading: #1A1410;
            --text-body: #2A2420;
            --text-light: #6B6560;
            --text-on-dark: #F5F0E8;
            --text-on-dark-muted: rgba(245, 240, 232, 0.72);
            --border: #E3DED5;
            --border-strong: #D5CEC2;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-dark {
            background-color: var(--secondary);
            color: var(--text-on-dark);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
            line-height: 1.4;
        }

        .section-dark .section-tag {
            color: var(--accent);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 12px;
        }

        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-title-area {
            margin-bottom: 40px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 245, 240, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 68px;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-heading);
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo:hover {
            opacity: 0.85;
            color: var(--text-heading);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            border-radius: 10px;
            letter-spacing: 0;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.22);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-heading);
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--text-light);
            text-transform: uppercase;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: var(--radius-chip);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }

        .nav-tab:hover {
            background-color: rgba(123, 30, 43, 0.06);
            color: var(--primary);
        }

        .nav-tab.active {
            background-color: rgba(123, 30, 43, 0.1);
            color: var(--primary);
            box-shadow: inset 0 0 0 1px var(--primary);
        }

        .nav-tab:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background-color: var(--primary);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .header-cta:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(123, 30, 43, 0.25);
            color: #fff;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background-color: transparent;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .menu-toggle:hover {
            border-color: var(--primary);
            background-color: rgba(123, 30, 43, 0.05);
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-body);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero-store {
            padding: 60px 0 70px;
            background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .hero-store::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(194, 161, 75, 0.12) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-store-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background-color: rgba(123, 30, 43, 0.06);
            border: 1px solid rgba(123, 30, 43, 0.15);
            border-radius: var(--radius-chip);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }

        .hero-status-bar .dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-store h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-store .hero-subtitle {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 520px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .hero-icon-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }

        .hero-icon-item:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .hero-icon-item .icon {
            font-size: 32px;
            display: block;
            margin-bottom: 8px;
            line-height: 1;
        }

        .hero-icon-item .label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            line-height: 1.5;
        }

        /* ===== Category Chips ===== */
        .category-chips-area {
            padding: 28px 0;
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }

        .chips-wrapper {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: flex-start;
        }

        .chips-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-heading);
            margin-right: 6px;
            white-space: nowrap;
        }

        .chip-link {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            background-color: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-chip);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .chip-link:hover {
            background-color: rgba(123, 30, 43, 0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

        .chip-link.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Products Grid ===== */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .product-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .product-card .product-img-wrap {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background-color: var(--bg-warm);
        }

        .product-card .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .product-card:hover .product-img-wrap img {
            transform: scale(1.05);
        }

        .product-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background-color: var(--primary);
            border-radius: var(--radius-chip);
            letter-spacing: 0.5px;
        }

        .product-badge.hot {
            background-color: var(--accent);
            color: var(--secondary);
        }

        .product-badge.new {
            background-color: var(--secondary);
            color: #fff;
        }

        .product-card .product-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .product-card .product-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .product-card .product-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 8px;
            flex: 1;
        }

        .product-card .product-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 14px;
        }

        .product-card .product-price .original {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: line-through;
            font-family: var(--font-body);
        }

        .product-card .btn-buy {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background-color: var(--primary);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            width: 100%;
            letter-spacing: 0.5px;
        }

        .product-card .btn-buy:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(123, 30, 43, 0.25);
            color: #fff;
        }

        .product-card .btn-buy:active {
            transform: translateY(0);
        }

        /* ===== Promo Banner ===== */
        .promo-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: var(--radius-card);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .promo-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(194, 161, 75, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .promo-banner .promo-content {
            position: relative;
            z-index: 1;
        }

        .promo-banner .promo-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .promo-banner h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .promo-banner p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            max-width: 500px;
        }

        .promo-banner .promo-code {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background-color: rgba(255, 255, 255, 0.12);
            border: 1px dashed rgba(194, 161, 75, 0.6);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent);
            font-family: var(--font-mono);
            position: relative;
            z-index: 1;
        }

        /* ===== Steps / Process ===== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        .step-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            position: relative;
            transition: all var(--transition-base);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }

        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .step-item::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 16px;
            font-family: var(--font-mono);
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== Service Guarantee ===== */
        .guarantee-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 24px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 22px;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
        }

        .guarantee-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .guarantee-item .g-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            font-size: 22px;
            flex-shrink: 0;
        }

        .guarantee-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .guarantee-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== Membership Section ===== */
        .membership-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .membership-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .membership-stat-item {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .membership-stat-item:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
        }

        .membership-stat-item .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .membership-stat-item .stat-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-on-dark-muted);
            letter-spacing: 1px;
        }

        .membership-benefits {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .membership-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-on-dark);
            line-height: 1.8;
        }

        .membership-benefits li .check {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background-color: var(--accent);
            color: var(--secondary);
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 6px;
        }

        /* ===== Reviews ===== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition-base);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }

        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .review-card .review-stars {
            color: var(--accent);
            font-size: 16px;
            letter-spacing: 3px;
            margin-bottom: 10px;
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
        }

        .review-card .review-author .avatar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 700;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.6;
            transition: all var(--transition-fast);
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            color: var(--text-light);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-base);
            font-family: var(--font-mono);
        }

        .faq-item.active .faq-icon {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.9;
            padding-top: 0;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ===== CTA Section ===== */
        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .cta-info h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .cta-info .cta-contact-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-info .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }

        .cta-info .cta-contact-list li .c-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background-color: rgba(123, 30, 43, 0.08);
            color: var(--primary);
            border-radius: 8px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .cta-form {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 30px;
            box-shadow: var(--shadow-card);
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 11px 15px;
            font-size: 14px;
            color: var(--text-body);
            background-color: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            transition: all var(--transition-fast);
            outline: none;
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(123, 30, 43, 0.12);
        }

        .cta-form textarea {
            min-height: 110px;
            resize: vertical;
        }

        .cta-form .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background-color: var(--primary);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }

        .cta-form .btn-submit:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            color: #fff;
        }

        .cta-form .btn-submit:active {
            transform: translateY(0);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--secondary);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: var(--text-on-dark);
            margin-bottom: 14px;
        }

        .footer-brand .logo-text {
            color: var(--text-on-dark);
        }

        .footer-brand .logo-text small {
            color: var(--text-on-dark-muted);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            line-height: 1.85;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-on-dark-muted);
            transition: all var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12px;
            color: var(--text-on-dark-muted);
            letter-spacing: 0.5px;
        }

        .footer-bottom a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Btn Styles ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(123, 30, 43, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(123, 30, 43, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(123, 30, 43, 0.25);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(123, 30, 43, 0.05);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background-color: var(--text-on-dark);
            color: var(--secondary);
        }

        .btn-light:hover {
            background-color: #fff;
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .btn-light:active {
            transform: translateY(0);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(123, 30, 43, 0.3);
            outline-offset: 2px;
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 4px 16px rgba(123, 30, 43, 0.3);
            transition: all var(--transition-base);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            z-index: 999;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-store-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-store h1 {
                font-size: 32px;
            }

            .products-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }

            .steps-horizontal {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .cta-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .membership-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
            }

            .section {
                padding: 56px 0;
            }

            .header-inner {
                flex-wrap: nowrap;
                min-height: 58px;
                padding-top: 6px;
                padding-bottom: 6px;
            }

            .nav-tabs {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--bg-warm);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }

            .nav-tabs.open {
                display: flex;
            }

            .nav-tab {
                width: 100%;
                padding: 10px 16px;
                font-size: 15px;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-store {
                padding: 36px 0 50px;
            }

            .hero-store h1 {
                font-size: 28px;
            }

            .hero-store .hero-subtitle {
                font-size: 15px;
            }

            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .hero-icon-item {
                padding: 16px 10px;
            }

            .hero-icon-item .icon {
                font-size: 24px;
                margin-bottom: 4px;
            }

            .hero-icon-item .label {
                font-size: 11px;
            }

            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .guarantee-list {
                grid-template-columns: 1fr;
            }

            .reviews-grid {
                grid-template-columns: 1fr;
            }

            .promo-banner {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .promo-banner h3 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            :root {
                --section-gap: 44px;
            }

            .section {
                padding: 44px 0;
            }

            .hero-store h1 {
                font-size: 24px;
                line-height: 1.4;
            }

            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .hero-status-bar {
                font-size: 12px;
                padding: 6px 12px;
            }

            .products-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .steps-horizontal {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .membership-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .membership-stat-item .stat-number {
                font-size: 28px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding-bottom: 14px;
            }

            .cta-form {
                padding: 22px 18px;
            }

            .promo-banner {
                padding: 22px 18px;
            }

            .promo-banner h3 {
                font-size: 18px;
            }

            .promo-code {
                font-size: 14px;
                padding: 10px 16px;
                letter-spacing: 1px;
            }

            .section-title {
                font-size: 21px;
            }

            .section-desc {
                font-size: 14px;
            }

            .btn {
                font-size: 14px;
                padding: 10px 22px;
            }

            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }