/* roulang page: index */
:root {
            --primary-dark: #1F2421;
            --primary-surface: #262B28;
            --accent-gold: #C5A880;
            --accent-amber: #D4AF37;
            --accent-light: #EBDCC9;
            --bg-rice: #F9F8F6;
            --bg-pure: #FFFFFF;
            --bg-clay: #F2EFE9;
            --text-slate: #2D312E;
            --text-muted: #6C726E;
            --border-soft: rgba(197, 168, 128, 0.25);
            --header-dark: #1A1D1A;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
        }

        /* Base Resets */
        * { box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-rice);
            color: var(--text-slate);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--primary-dark);
            font-weight: 600;
            line-height: 1.35;
            margin-bottom: 0.85rem;
        }
        p {
            font-size: 16px;
            margin-bottom: 1.25rem;
            color: var(--text-slate);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; margin: 0; padding: 0; }

        /* Navigation */
        .site-header {
            background-color: var(--header-dark);
            height: 72px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.5px;
        }
        .site-logo i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .site-logo:hover {
            color: var(--accent-gold);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            color: #E0E0E0;
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
        }
        .nav-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            background-color: var(--accent-gold);
            color: #1A1D1A;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--accent-gold);
        }
        .nav-btn:hover {
            background-color: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #1A1D1A;
        }

        /* Buttons & Badges */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-gold);
            color: #1A1D1A;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
        }
        .btn-gold:hover {
            background-color: var(--accent-amber);
            color: #1A1D1A;
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary-dark);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary-dark);
        }
        .btn-outline:hover {
            background-color: var(--primary-dark);
            color: #FFFFFF;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--accent-gold);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
        }
        .btn-outline-gold:hover {
            background-color: var(--accent-gold);
            color: #1A1D1A;
        }
        .badge-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 2px;
            letter-spacing: 0.5px;
            background: rgba(197, 168, 128, 0.15);
            color: #8C6A3C;
            border: 1px solid var(--border-soft);
        }

        /* Section Global Typography */
        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.text-center {
            text-align: center;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-title {
            font-size: 2rem;
            color: var(--primary-dark);
            position: relative;
            padding-bottom: 12px;
        }
        .section-header.text-center .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 46px;
            height: 2px;
            background-color: var(--accent-gold);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-top: 14px;
            line-height: 1.7;
        }

        /* Generic Content Card */
        .content-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-subtle);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }
        .content-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        /* 1. Hero Block */
        .hero-section {
            background: linear-gradient(180deg, #1A1D1A 0%, #262B28 100%);
            color: #FFFFFF;
            padding: 70px 0 85px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(197, 168, 128, 0.2);
        }
        .hero-left h1 {
            color: #FFFFFF;
            font-size: 2.55rem;
            line-height: 1.25;
            margin-bottom: 1.25rem;
        }
        .hero-left p {
            color: #C2C6C3;
            font-size: 1.05rem;
            line-height: 1.85;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* Coupon Voucher Card in Hero */
        .hero-coupon-card {
            background: #2D3330;
            border: 1px dashed var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 30px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .coupon-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(197, 168, 128, 0.2);
            padding-bottom: 16px;
            margin-bottom: 20px;
        }
        .coupon-val {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent-amber);
            line-height: 1;
        }
        .coupon-val span {
            font-size: 1.1rem;
            color: #C2C6C3;
            font-weight: 400;
            margin-left: 4px;
        }
        .coupon-meta h4 {
            color: #FFFFFF;
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .coupon-meta p {
            color: #A0A5A2;
            font-size: 0.88rem;
            margin-bottom: 0;
        }
        .coupon-features {
            margin: 20px 0;
            border-top: 1px dashed rgba(255,255,255,0.1);
            padding-top: 16px;
        }
        .coupon-features li {
            font-size: 0.88rem;
            color: #D6D8D7;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .coupon-features li i {
            color: var(--accent-gold);
        }

        /* 2. Pillars Strip */
        .pillar-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-top: 3px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 28px;
            height: 100%;
        }
        .pillar-icon {
            width: 48px;
            height: 48px;
            background: rgba(197, 168, 128, 0.12);
            color: #8C6A3C;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 1.25rem;
            margin-bottom: 18px;
        }

        /* 3. KPI Strip */
        .kpi-section {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            padding: 48px 0;
        }
        .kpi-item {
            text-align: center;
            border-right: 1px solid rgba(255,255,255,0.1);
        }
        .kpi-item:last-child {
            border-right: none;
        }
        .kpi-num {
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .kpi-desc {
            font-size: 0.9rem;
            color: #B2B6B4;
            margin: 0;
        }

        /* 4 & 5. Feature Groups */
        .feature-block {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }
        .feature-img-box {
            background: #242926;
            height: 100%;
            min-height: 320px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px;
            color: #FFFFFF;
            position: relative;
        }
        .feature-img-box .code-mock {
            font-family: monospace;
            background: #171A18;
            border: 1px solid rgba(197,168,128,0.25);
            padding: 20px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: #C5A880;
            line-height: 1.6;
        }
        .feature-content-box {
            padding: 48px;
        }

        /* 6. Use Cases */
        .use-case-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .use-case-tag {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* 7. Catalog Entry Matrix */
        .catalog-entry-card {
            background: linear-gradient(135deg, #262B28 0%, #1A1D1A 100%);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 36px;
            color: #FFFFFF;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .catalog-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .catalog-entry-card h3 {
            color: #FFFFFF;
            font-size: 1.5rem;
            margin-bottom: 14px;
        }
        .catalog-entry-card p {
            color: #C2C6C3;
            font-size: 0.95rem;
            margin-bottom: 24px;
        }

        /* 8. Demo Console Showcase */
        .player-console {
            background: #171A18;
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0,0,0,0.25);
        }
        .console-topbar {
            background: #242926;
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(197, 168, 128, 0.2);
        }
        .console-signals {
            display: flex;
            gap: 8px;
        }
        .console-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #444;
        }
        .console-dot.active { background: #28a745; }
        .console-dot.gold { background: var(--accent-gold); }
        .console-screen {
            padding: 40px;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background: radial-gradient(circle at center, #242926 0%, #171A18 100%);
            position: relative;
        }
        .subtitle-preview-bar {
            background: rgba(0, 0, 0, 0.75);
            border-left: 3px solid var(--accent-gold);
            padding: 14px 20px;
            color: #FFFFFF;
            font-size: 1.15rem;
            letter-spacing: 0.5px;
            border-radius: 2px;
        }
        .subtitle-subtext {
            color: var(--accent-gold);
            font-size: 0.85rem;
            margin-top: 4px;
        }
        .console-controls {
            background: #1F2421;
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: #C2C6C3;
            font-size: 0.88rem;
        }
        .control-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #282E2A;
            padding: 5px 12px;
            border-radius: 4px;
            border: 1px solid rgba(197, 168, 128, 0.3);
            color: var(--accent-gold);
        }

        /* 9. Knowledge Matrix */
        .knowledge-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .matrix-chip-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 20px;
        }
        .matrix-chip-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }
        .matrix-chip-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 10. Spec Breakdown Table */
        .spec-table-container {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow-x: auto;
            box-shadow: var(--shadow-subtle);
        }
        .spec-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            margin: 0;
        }
        .spec-table th {
            background: #242926;
            color: #FFFFFF;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            border-bottom: 2px solid var(--accent-gold);
        }
        .spec-table td {
            padding: 16px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #ECE8E1;
            color: var(--text-slate);
        }
        .spec-table tr:last-child td {
            border-bottom: none;
        }
        .spec-table tr:hover td {
            background: #FDFCFB;
        }

        /* 11. Pricing Tiers */
        .pricing-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 40px 32px;
            text-align: center;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .pricing-card.featured {
            border: 2px solid var(--accent-gold);
            background: #FFFFFF;
            box-shadow: var(--shadow-hover);
        }
        .pricing-ribbon {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--accent-gold);
            color: #1A1D1A;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            text-transform: uppercase;
        }
        .price-val {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 16px 0 20px;
            line-height: 1;
        }
        .price-val small {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .price-features {
            text-align: left;
            margin: 24px 0 32px;
            border-top: 1px solid #ECE8E1;
            padding-top: 24px;
        }
        .price-features li {
            font-size: 0.9rem;
            color: var(--text-slate);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-features li i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        /* 12. Article Feed */
        .article-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-cover {
            height: 180px;
            background: #2D3330;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 2rem;
        }
        .article-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .article-title {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }
        .article-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .article-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: #8C6A3C;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 13. Case Studies */
        .case-card {
            background: var(--bg-pure);
            border-left: 4px solid var(--accent-gold);
            border-top: 1px solid var(--border-soft);
            border-right: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 32px;
            height: 100%;
        }

        /* 14. Global Network Nodes */
        .network-board {
            background: #1F2421;
            border-radius: var(--radius-md);
            padding: 40px;
            color: #FFFFFF;
        }
        .node-stat-item {
            border: 1px solid rgba(197,168,128,0.25);
            background: #262B28;
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
        }
        .node-stat-item h4 {
            color: var(--accent-gold);
            font-size: 1.6rem;
            margin-bottom: 4px;
        }
        .node-stat-item p {
            color: #B2B6B4;
            font-size: 0.85rem;
            margin: 0;
        }

        /* 15. Testimonials & Reviews */
        .quote-card {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
        }
        .quote-text {
            font-size: 0.95rem;
            color: var(--text-slate);
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }
        .quote-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #2D3330;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .author-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary-dark);
        }
        .author-title {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 16. FAQ Accordion */
        .faq-item {
            background: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            padding: 24px;
        }
        .faq-q {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-q i {
            color: var(--accent-gold);
            font-size: 0.95rem;
        }
        .faq-a {
            font-size: 0.95rem;
            color: var(--text-slate);
            line-height: 1.75;
            margin-bottom: 0;
            padding-left: 24px;
        }

        /* 17. Final Action CTA */
        .final-cta-section {
            background: linear-gradient(135deg, #1A1D1A 0%, #29302B 100%);
            border-top: 1px solid var(--accent-gold);
            color: #FFFFFF;
            padding: 70px 0;
            text-align: center;
        }
        .final-cta-section h2 {
            color: #FFFFFF;
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .final-cta-section p {
            color: #C2C6C3;
            max-width: 680px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }

        /* Footer */
        .site-footer {
            background: #141714;
            color: #9EA3A0;
            padding: 60px 0 28px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.9rem;
        }
        .footer-col h5 {
            color: #FFFFFF;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #9EA3A0;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-newsletter-form {
            display: flex;
            gap: 8px;
            margin-top: 14px;
        }
        .footer-newsletter-form input {
            background: #242926;
            border: 1px solid rgba(197, 168, 128, 0.3);
            color: #FFFFFF;
            padding: 8px 12px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
            flex: 1;
            margin-bottom: 0;
        }
        .footer-bottom {
            margin-top: 50px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #6C726E;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1023px) {
            .nav-menu { gap: 18px; }
            .hero-left h1 { font-size: 2.1rem; }
            .kpi-item { margin-bottom: 20px; border-right: none; }
            .spec-table { font-size: 0.85rem; }
        }
        @media (max-width: 639px) {
            .nav-menu { display: none; }
            .hero-section { padding: 45px 0 60px; }
            .hero-left h1 { font-size: 1.75rem; }
            .section-padding { padding: 50px 0; }
            .section-title { font-size: 1.55rem; }
            .feature-content-box { padding: 24px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        }

/* roulang page: category2 */
:root {
      --primary-dark: #1F2421;
      --primary-surface: #262B28;
      --accent-gold: #C5A880;
      --accent-amber: #D4AF37;
      --accent-light: #EBDCC9;
      --bg-rice: #F9F8F6;
      --bg-pure: #FFFFFF;
      --bg-clay: #F2EFE9;
      --text-slate: #2D312E;
      --text-muted: #6C726E;
      --border-soft: rgba(197, 168, 128, 0.25);
      --header-dark: #1A1D1A;
      --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
      --radius-sm: 4px;
      --radius-md: 6px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-rice);
      color: var(--text-slate);
      line-height: 1.8;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    /* Navigation */
    .site-header {
      background-color: var(--header-dark);
      height: 72px;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.5px;
    }
    .site-logo i {
      color: var(--accent-gold);
      font-size: 1.4rem;
    }
    .site-logo:hover {
      color: var(--accent-gold);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-link {
      color: #E0E0E0;
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-gold);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent-gold);
    }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      background-color: var(--accent-gold);
      color: #1A1D1A;
      font-weight: 600;
      font-size: 0.9rem;
      border: 1px solid var(--accent-gold);
    }
    .nav-btn:hover {
      background-color: var(--accent-amber);
      border-color: var(--accent-amber);
      color: #1A1D1A;
    }

    /* Common Components */
    .section-padding {
      padding: 72px 0;
    }
    .section-header {
      margin-bottom: 40px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 1.85rem;
      color: var(--primary-dark);
      position: relative;
      padding-bottom: 12px;
      font-weight: 700;
    }
    .section-header.text-center .section-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 44px;
      height: 2px;
      background-color: var(--accent-gold);
    }
    .section-subtitle {
      font-size: 1.02rem;
      color: var(--text-muted);
      margin-top: 12px;
      line-height: 1.7;
    }
    .badge-tag {
      display: inline-block;
      padding: 3px 10px;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 2px;
      letter-spacing: 0.5px;
      background: rgba(197, 168, 128, 0.15);
      color: #8C6A3C;
      border: 1px solid var(--border-soft);
    }
    .badge-dark {
      background: var(--primary-surface);
      color: var(--accent-gold);
      border: 1px solid var(--border-soft);
      padding: 3px 8px;
      font-size: 0.75rem;
      border-radius: 2px;
      font-weight: 600;
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background-color: var(--accent-gold);
      color: #1A1D1A;
      padding: 12px 28px;
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--accent-gold);
      cursor: pointer;
    }
    .btn-gold:hover {
      background-color: var(--accent-amber);
      color: #1A1D1A;
      box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background-color: transparent;
      color: var(--primary-dark);
      padding: 11px 24px;
      font-weight: 600;
      font-size: 0.9rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-dark);
      cursor: pointer;
    }
    .btn-outline:hover {
      background-color: var(--primary-dark);
      color: #FFFFFF;
    }

    /* Category Header Banner */
    .specs-header-banner {
      background-color: var(--primary-dark);
      color: #FFFFFF;
      padding: 56px 0 48px;
      border-bottom: 1px solid rgba(197, 168, 128, 0.2);
    }
    .specs-title-row {
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }
    .category-h1 {
      font-size: 2.3rem;
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .category-h1 span {
      color: var(--accent-gold);
    }
    .specs-desc {
      color: #C0C5C2;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 10px;
    }
    .filter-pill {
      padding: 8px 18px;
      border-radius: 20px;
      font-size: 0.88rem;
      font-weight: 500;
      color: #D6D6D6;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(197, 168, 128, 0.3);
      cursor: pointer;
      transition: all 0.2s;
    }
    .filter-pill:hover, .filter-pill.active {
      background-color: var(--accent-gold);
      color: var(--primary-dark);
      border-color: var(--accent-gold);
      font-weight: 600;
    }

    /* Spec Matrix Cards */
    .matrix-card {
      background: var(--bg-pure);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-subtle);
      transition: all 0.25s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
      margin-bottom: 24px;
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
      border-color: var(--accent-gold);
    }
    .matrix-card-header {
      padding: 20px 24px;
      border-bottom: 1px solid rgba(0,0,0,0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #FAF9F7;
    }
    .matrix-card-body {
      padding: 24px;
      flex-grow: 1;
    }
    .matrix-card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }
    .spec-meta-list {
      list-style: none;
      margin: 0 0 18px 0;
      padding: 0;
    }
    .spec-meta-list li {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      padding: 6px 0;
      border-bottom: 1px dashed rgba(0,0,0,0.08);
      color: var(--text-muted);
    }
    .spec-meta-list li span.val {
      font-weight: 600;
      color: var(--primary-dark);
    }
    .matrix-card-footer {
      padding: 16px 24px;
      border-top: 1px solid rgba(0,0,0,0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* Device Compatibility Board */
    .compat-table-wrap {
      background: var(--bg-pure);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-subtle);
    }
    .compat-table {
      width: 100%;
      margin: 0;
      border-collapse: collapse;
      text-align: left;
    }
    .compat-table th {
      background-color: #212623;
      color: #FAF8F5;
      font-size: 0.9rem;
      font-weight: 600;
      padding: 16px 20px;
      border: none;
    }
    .compat-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(0,0,0,0.06);
      font-size: 0.9rem;
      color: var(--text-slate);
    }
    .compat-table tr:hover td {
      background-color: #F8F6F2;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 3px;
    }
    .status-optimal {
      background: #E8F5E9;
      color: #2E7D32;
    }
    .status-passthrough {
      background: #FFF8E1;
      color: #F57F17;
    }

    /* Tech Breakdown Columns */
    .tech-box {
      background: var(--bg-pure);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 30px;
      height: 100%;
      position: relative;
    }
    .tech-icon-wrap {
      width: 52px;
      height: 52px;
      background-color: rgba(197, 168, 128, 0.15);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent-gold);
      font-size: 1.5rem;
    }
    .tech-box h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }
    .tech-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Comparison Section */
    .compare-wrapper {
      background: var(--primary-surface);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 36px;
      color: #FFFFFF;
    }
    .compare-side {
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-sm);
      padding: 24px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      height: 100%;
    }
    .compare-side.highlight {
      border-color: var(--accent-gold);
      background: rgba(197, 168, 128, 0.06);
    }
    .compare-tag {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 2px;
      display: inline-block;
      margin-bottom: 16px;
    }
    .tag-standard {
      background: #4A4E4B;
      color: #FFFFFF;
    }
    .tag-pro {
      background: var(--accent-gold);
      color: var(--primary-dark);
    }
    .screen-preview {
      background-color: #121413;
      border-radius: 4px;
      height: 150px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      position: relative;
      margin-bottom: 20px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.05);
    }
    .screen-preview .video-bg-hint {
      position: absolute;
      top: 10px;
      left: 14px;
      font-size: 0.75rem;
      color: #6C726E;
    }
    .screen-preview .sub-sample-legacy {
      font-size: 1.15rem;
      font-family: sans-serif;
      color: #CCCCCC;
      filter: blur(0.4px);
      text-shadow: 1px 1px 0 #000;
    }
    .screen-preview .sub-sample-vector {
      font-size: 1.2rem;
      font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
      font-weight: 600;
      color: #FFFFFF;
      letter-spacing: 0.5px;
      text-shadow: 0 0 3px rgba(0,0,0,0.9), 0 2px 4px rgba(0,0,0,0.8);
      border-bottom: 2px solid var(--accent-gold);
      padding-bottom: 2px;
    }
    .compare-list {
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 0.88rem;
      color: #C0C5C2;
    }
    .compare-list li {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compare-list li i {
      font-size: 0.85rem;
    }

    /* FAQ Section */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-pure);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--bg-pure);
      transition: background 0.2s;
    }
    .faq-question:hover {
      background-color: #FAF8F5;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: block;
      border-top: 1px solid rgba(0,0,0,0.03);
      padding-top: 14px;
    }

    /* Tech Hub CTA */
    .hub-cta-section {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #151816 100%);
      border-top: 1px solid var(--border-soft);
      padding: 64px 0;
      color: #FFFFFF;
    }
    .hub-box {
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 40px;
      background: rgba(255, 255, 255, 0.02);
      text-align: center;
      max-width: 800px;
      margin: 0 auto;
    }

    /* Footer */
    .site-footer {
      background-color: #141715;
      color: #A3A8A5;
      padding: 64px 0 32px;
      border-top: 1px solid rgba(197, 168, 128, 0.2);
      font-size: 0.9rem;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand .brand-icon {
      color: var(--accent-gold);
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #8C928E;
    }
    .footer-meta-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      color: #7B817D;
      margin-bottom: 8px;
    }
    .footer-meta-item i {
      color: var(--accent-gold);
    }
    .footer-heading {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-heading::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background-color: var(--accent-gold);
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #9AA09C;
    }
    .footer-links a:hover {
      color: var(--accent-gold);
      padding-left: 4px;
    }
    .footer-newsletter-form {
      display: flex;
      gap: 8px;
    }
    .footer-newsletter-form input {
      background: #202422;
      border: 1px solid rgba(197, 168, 128, 0.3);
      color: #FFFFFF;
      font-size: 0.88rem;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      outline: none;
      flex-grow: 1;
    }
    .footer-newsletter-form input:focus {
      border-color: var(--accent-gold);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 48px;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.84rem;
      color: #6C726E;
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .specs-header-banner {
        padding: 40px 0 32px;
      }
      .category-h1 {
        font-size: 1.7rem;
      }
      .section-padding {
        padding: 48px 0;
      }
      .compare-side {
        margin-bottom: 20px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
            --primary-dark: #1F2421;
            --primary-surface: #262B28;
            --accent-gold: #C5A880;
            --accent-amber: #D4AF37;
            --accent-light: #EBDCC9;
            --bg-rice: #F9F8F6;
            --bg-pure: #FFFFFF;
            --bg-clay: #F2EFE9;
            --text-slate: #2D312E;
            --text-muted: #6C726E;
            --border-soft: rgba(197, 168, 128, 0.25);
            --header-dark: #1A1D1A;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-rice);
            color: var(--text-slate);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

        /* 统一顶栏导航 */
        .site-header {
            background-color: var(--header-dark);
            height: 72px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.5px;
        }

        .site-logo i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }

        .site-logo:hover {
            color: var(--accent-gold);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            color: #E0E0E0;
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
        }

        .nav-cta {
            display: flex;
            align-items: center;
        }

        .nav-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            background-color: var(--accent-gold);
            color: #1A1D1A;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--accent-gold);
        }

        .nav-btn:hover {
            background-color: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #1A1D1A;
        }

        /* 基础组件与按钮 */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-gold);
            color: #1A1D1A;
            padding: 11px 26px;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
            cursor: pointer;
        }

        .btn-gold:hover {
            background-color: var(--accent-amber);
            color: #1A1D1A;
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary-dark);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary-dark);
            cursor: pointer;
        }

        .btn-outline:hover {
            background-color: var(--primary-dark);
            color: #FFFFFF;
        }

        .badge-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 2px;
            letter-spacing: 0.5px;
            background: rgba(197, 168, 128, 0.15);
            color: #8C6A3C;
            border: 1px solid var(--border-soft);
        }

        .badge-dark {
            background: #2D312E;
            color: #F9F8F6;
            padding: 2px 8px;
            font-size: 0.72rem;
            border-radius: 2px;
            font-weight: 500;
        }

        /* 分类页主体板块规范 */
        .category-section {
            padding: 60px 0;
        }

        .category-section-alt {
            background-color: var(--bg-clay);
            padding: 65px 0;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-heading-group {
            margin-bottom: 36px;
        }

        .section-main-title {
            font-size: 1.75rem;
            color: var(--primary-dark);
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            display: inline-block;
        }

        .section-main-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 36px;
            height: 2px;
            background-color: var(--accent-gold);
        }

        .section-subtext {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 10px;
        }

        /* 板块 1: 分类专属 H1 标题与多维检索头架 */
        .category-header-box {
            background-color: var(--bg-pure);
            border-bottom: 1px solid var(--border-soft);
            padding: 48px 0 36px;
        }

        .page-h1-wrap {
            text-align: center;
            max-width: 840px;
            margin: 0 auto 32px;
        }

        .page-h1 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .page-h1-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .filter-console {
            background-color: var(--bg-rice);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 28px;
        }

        .filter-row {
            display: flex;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px dashed rgba(197, 168, 128, 0.2);
        }

        .filter-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .filter-row:first-child {
            padding-top: 0;
        }

        .filter-label {
            width: 100px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            flex: 1;
        }

        .filter-pill {
            padding: 4px 14px;
            font-size: 0.85rem;
            color: var(--text-slate);
            border-radius: var(--radius-sm);
            cursor: pointer;
            background-color: var(--bg-pure);
            border: 1px solid rgba(0,0,0,0.06);
            transition: all 0.2s;
        }

        .filter-pill:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }

        .filter-pill.active {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            border-color: var(--primary-dark);
            font-weight: 600;
        }

        /* 板块 2: 本周精选聚焦排 (Featured Row) */
        .featured-banner-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform 0.25s, box-shadow 0.25s;
        }

        .featured-banner-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .featured-media-box {
            position: relative;
            background-color: #1A1D1A;
            height: 190px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            overflow: hidden;
        }

        .featured-media-box .poster-pattern {
            position: absolute;
            inset: 0;
            opacity: 0.15;
            background-image: radial-gradient(#C5A880 1px, transparent 1px);
            background-size: 16px 16px;
        }

        .featured-media-box i.media-bg-icon {
            font-size: 3.5rem;
            color: rgba(197, 168, 128, 0.4);
            transition: transform 0.4s;
        }

        .featured-banner-card:hover .featured-media-box i.media-bg-icon {
            transform: scale(1.1);
            color: var(--accent-gold);
        }

        .featured-ribbon {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--accent-amber);
            color: #1A1D1A;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 2px;
            text-transform: uppercase;
        }

        .featured-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .featured-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .featured-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 板块 3: 主目录网格列表 */
        .catalog-grid-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 28px;
            transition: transform 0.25s, box-shadow 0.25s;
        }

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

        .catalog-thumb {
            position: relative;
            background-color: #242926;
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            overflow: hidden;
        }

        .catalog-thumb .bg-mesh {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31,36,33,0.9), rgba(45,49,46,0.95));
        }

        .catalog-thumb .thumb-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .catalog-thumb .thumb-content i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .catalog-thumb .thumb-spec-pill {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background-color: rgba(0,0,0,0.7);
            color: #FFF;
            font-size: 0.7rem;
            padding: 2px 6px;
            border-radius: 2px;
            font-family: monospace;
            z-index: 3;
        }

        .catalog-thumb .thumb-lang-pill {
            position: absolute;
            top: 8px;
            left: 8px;
            background-color: rgba(197, 168, 128, 0.9);
            color: #1A1D1A;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 2px;
            z-index: 3;
        }

        .catalog-info {
            padding: 18px;
        }

        .catalog-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .catalog-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .catalog-bottom-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 12px;
        }

        .detail-link-btn {
            font-weight: 600;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .detail-link-btn:hover {
            color: var(--primary-dark);
        }

        /* 板块 4: 分页与查看更多控制区 */
        .pagination-area {
            background-color: var(--bg-pure);
            border-top: 1px solid var(--border-soft);
            padding: 30px 0;
            text-align: center;
        }

        .custom-pagination {
            display: inline-flex;
            gap: 8px;
            margin-bottom: 18px;
            list-style: none;
            padding: 0;
        }

        .custom-pagination li a, .custom-pagination li span {
            display: inline-block;
            width: 38px;
            height: 38px;
            line-height: 36px;
            text-align: center;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            background-color: var(--bg-rice);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-slate);
        }

        .custom-pagination li.current span {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            border-color: var(--primary-dark);
        }

        .custom-pagination li a:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .catalog-more-action {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        /* 板块 5: 区域文化与字幕本地化导读 (Editorial Insight) */
        .editorial-box {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 40px;
        }

        .editorial-lead {
            font-size: 1.08rem;
            color: var(--primary-dark);
            line-height: 1.8;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .editorial-quote {
            border-left: 3px solid var(--accent-gold);
            padding-left: 20px;
            margin: 24px 0;
            color: var(--text-muted);
            font-style: italic;
        }

        .editorial-stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid var(--border-soft);
        }

        .editorial-stat-card {
            text-align: center;
        }

        .editorial-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            font-family: monospace;
        }

        .editorial-stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 板块 6: 热度排行榜单 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            margin-bottom: 12px;
            transition: all 0.2s ease;
        }

        .rank-item:hover {
            transform: translateX(4px);
            border-color: var(--accent-gold);
        }

        .rank-num {
            width: 32px;
            height: 32px;
            background-color: var(--bg-clay);
            color: var(--primary-dark);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: monospace;
        }

        .rank-item:nth-child(1) .rank-num {
            background-color: var(--accent-amber);
            color: #1A1D1A;
        }

        .rank-item:nth-child(2) .rank-num {
            background-color: var(--accent-gold);
            color: #1A1D1A;
        }

        .rank-item:nth-child(3) .rank-num {
            background-color: #E2D7C7;
            color: #1A1D1A;
        }        .rank-content {
            flex-grow: 1;
        }

        .rank-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .rank-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }

        .rank-stream-index {
            font-size: 0.85rem;
            font-family: monospace;
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        /* 板块 7: 分类专享技术参数指南 */
        .tech-spec-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }

        .spec-guide-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
        }

        .spec-guide-icon {
            width: 44px;
            height: 44px;
            background-color: rgba(197, 168, 128, 0.15);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .spec-guide-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .spec-guide-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 板块 8: 分类订阅小组件 */
        .mini-newsletter-wrap {
            background-color: var(--primary-dark);
            border-radius: var(--radius-md);
            padding: 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(197, 168, 128, 0.3);
        }

        .mini-newsletter-wrap::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(197, 168, 128, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .nl-form-flex {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }

        .nl-input {
            flex-grow: 1;
            height: 46px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(197, 168, 128, 0.3);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            color: #FFFFFF;
            font-size: 0.9rem;
            outline: none;
        }

        .nl-input:focus {
            border-color: var(--accent-gold);
            background-color: rgba(255, 255, 255, 0.12);
        }

        .nl-btn {
            height: 46px;
            padding: 0 24px;
            background-color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            color: #1A1D1A;
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            white-space: nowrap;
        }

        .nl-btn:hover {
            background-color: var(--accent-amber);
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #151816;
            color: #A3A8A5;
            padding: 70px 0 24px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col {
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-icon {
            color: var(--accent-gold);
        }

        .footer-desc {
            color: #8D9390;
            line-height: 1.7;
            font-size: 0.85rem;
            margin-bottom: 20px;
        }

        .footer-meta-item {
            font-size: 0.82rem;
            color: #7A807D;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-heading {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background-color: var(--accent-gold);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: #8D9390;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-newsletter-form {
            display: flex;
            gap: 8px;
        }

        .footer-newsletter-form input {
            height: 38px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-sm);
            color: #FFF;
            padding: 0 12px;
            font-size: 0.85rem;
            flex-grow: 1;
        }

        .footer-newsletter-form button {
            height: 38px;
            padding: 0 16px;
            background: var(--accent-gold);
            border: none;
            color: #1A1D1A;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .footer-bottom-bar {
            margin-top: 50px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #6C726F;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 18px;
            }
            .editorial-stats-row {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                padding: 12px 0;
            }
            .nav-wrapper {
                flex-direction: column;
                gap: 12px;
                height: auto;
            }
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
                gap: 14px;
            }
            .nav-cta {
                display: none;
            }
            .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .filter-label {
                width: 100%;
            }
            .nl-form-flex {
                flex-direction: column;
            }
            .editorial-stats-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .page-h1 {
                font-size: 1.7rem;
            }
        }