/* roulang page: index */
:root {
            --color-deep: #0a0e27;
            --color-navy: #111640;
            --color-gold: #d4a853;
            --color-lightgold: #f5d78a;
            --color-cardbg: #151a35;
            --color-soft: #e8e8f0;
            --color-muted: #8b8da0;
            --color-accent: #c9a96e;
            --color-white: #ffffff;
            --color-bg-light: #f5f6fa;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.4);
            --shadow-btn: 0 4px 16px rgba(212, 168, 83, 0.35);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            background-color: var(--color-deep);
            color: var(--color-soft);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 39, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-smooth);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-lightgold);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-gold), var(--color-lightgold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-deep);
            font-weight: 900;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .search-box:focus-within {
            border-color: var(--color-gold);
            background: rgba(255, 255, 255, 0.10);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.15);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--color-soft);
            font-size: 0.9rem;
            width: 160px;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--color-muted);
        }
        .search-box button {
            background: none;
            border: none;
            color: var(--color-muted);
            font-size: 0.95rem;
            padding: 0;
            transition: color var(--transition-fast);
        }
        .search-box button:hover {
            color: var(--color-lightgold);
        }

        .btn-cta-header {
            background: linear-gradient(135deg, var(--color-gold), #b8903a);
            color: #0a0e27;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
        }
        .btn-cta-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.5);
            background: linear-gradient(135deg, var(--color-lightgold), var(--color-gold));
        }

        /* Channel Tabs */
        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs {
            display: flex;
            gap: 4px;
            padding: 8px 0;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-muted);
            transition: all var(--transition-fast);
            position: relative;
            cursor: pointer;
            border: 1px solid transparent;
            background: transparent;
        }
        .channel-tab:hover {
            color: var(--color-soft);
            background: rgba(255, 255, 255, 0.04);
        }
        .channel-tab.active {
            color: var(--color-lightgold);
            background: rgba(212, 168, 83, 0.10);
            border-color: rgba(212, 168, 83, 0.3);
            font-weight: 600;
        }
        .channel-tab .tab-badge {
            font-size: 0.7rem;
            background: var(--color-gold);
            color: #0a0e27;
            padding: 2px 7px;
            border-radius: 20px;
            font-weight: 700;
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-soft);
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-color: var(--color-deep);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 39, 0.55) 0%, rgba(10, 14, 39, 0.82) 60%, var(--color-deep) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 60px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.18);
            border: 1px solid rgba(212, 168, 83, 0.35);
            color: var(--color-lightgold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.4px;
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.25;
            margin: 0 0 18px;
            letter-spacing: 0.3px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-gold), var(--color-lightgold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-muted);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), #b8903a);
            color: #0a0e27;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(212, 168, 83, 0.5);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-soft);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--color-lightgold);
            color: var(--color-lightgold);
            background: rgba(255, 255, 255, 0.03);
        }

        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            color: var(--color-gold);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px;
        }
        .section-subtitle {
            color: var(--color-muted);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--color-cardbg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.25);
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(212, 168, 83, 0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--color-lightgold);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon {
            background: rgba(212, 168, 83, 0.22);
            transform: scale(1.08);
        }
        .feature-card h3 {
            color: var(--color-white);
            font-size: 1.15rem;
            font-weight: 600;
            margin: 0 0 8px;
        }
        .feature-card p {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* Game Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
            background: var(--color-cardbg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            display: block;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.3);
        }
        .category-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card-body {
            padding: 20px;
        }
        .category-card-body h3 {
            color: var(--color-white);
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 6px;
        }
        .category-card-body p {
            color: var(--color-muted);
            font-size: 0.85rem;
            margin: 0;
        }
        .category-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 14, 39, 0.85);
            color: var(--color-lightgold);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }

        /* News List */
        .news-list {
            display: grid;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--color-cardbg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition-smooth);
            align-items: center;
        }
        .news-item:hover {
            border-color: rgba(212, 168, 83, 0.22);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transform: translateX(3px);
        }
        .news-item .news-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-navy);
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-info h4 {
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 500;
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item .news-info .news-meta {
            font-size: 0.78rem;
            color: var(--color-muted);
        }
        .news-item .news-arrow {
            color: var(--color-muted);
            font-size: 1rem;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-arrow {
            color: var(--color-lightgold);
        }
        .news-empty {
            text-align: center;
            color: var(--color-muted);
            padding: 40px;
            font-size: 1rem;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .stat-card {
            background: var(--color-cardbg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: rgba(212, 168, 83, 0.25);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-lightgold);
            letter-spacing: 1px;
        }
        .stat-label {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-cardbg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-white);
            font-size: 1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-lightgold);
        }
        .faq-item summary .faq-icon {
            transition: transform var(--transition-fast);
            color: var(--color-muted);
            font-size: 0.85rem;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--color-lightgold);
        }
        .faq-item[open] summary {
            color: var(--color-lightgold);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            color: var(--color-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-navy), var(--color-cardbg));
            border: 1px solid rgba(212, 168, 83, 0.2);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: var(--color-white);
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--color-muted);
            margin: 0 0 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-cardbg);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 40px 0 24px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--color-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-lightgold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 18px;
            text-align: center;
            color: var(--color-muted);
            font-size: 0.82rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-section {
                min-height: 460px;
            }
            .hero-content {
                padding: 60px 0 40px;
            }
            .section {
                padding: 50px 0;
            }
            .category-grid {
                grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .header-top {
                padding: 10px 0;
                gap: 10px;
            }
            .search-box {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .btn-cta-header {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .channel-tab {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-content {
                padding: 40px 0 30px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 22px 16px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .news-item {
                flex-direction: row;
                padding: 14px;
            }
            .news-item .news-thumb {
                width: 60px;
                height: 45px;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-top {
                gap: 8px;
            }
            .logo-link {
                font-size: 1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .btn-cta-header {
                padding: 7px 13px;
                font-size: 0.75rem;
            }
            .channel-tab {
                padding: 7px 11px;
                font-size: 0.78rem;
            }
            .hero-section {
                min-height: 340px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.82rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section {
                padding: 30px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.82rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #121a2b;
            --color-primary-light: #1a2540;
            --color-accent: #e2a83e;
            --color-accent-hover: #c8922f;
            --color-accent-light: #fdf3e0;
            --color-bg: #f4f6f9;
            --color-surface: #ffffff;
            --color-text: #1c1f2e;
            --color-text-secondary: #4a4f60;
            --color-muted: #7c8296;
            --color-border: #e2e5ec;
            --color-border-light: #eef0f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-nav-bg: #0a0f1a;
            --color-nav-text: #c8cdd8;
            --color-nav-active: #e2a83e;
            --border-radius-sm: 6px;
            --border-radius: 12px;
            --border-radius-lg: 16px;
            --border-radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 60px rgba(0,0,0,0.12);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
            --container-max: 1140px;
            --container-narrow: 860px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 80px;
            --nav-height: 64px;
            --channel-height: 50px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            width: 100%;
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== HEADER ===== */
        .site-header {
            background: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-md);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-accent), #d4942b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1a2e;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.08);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            border: 1px solid transparent;
        }

        .header-search:focus-within {
            background: rgba(255,255,255,0.14);
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(226,168,62,0.15);
        }

        .header-search input {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 0.9rem;
            width: 140px;
            transition: width var(--transition-base);
        }

        .header-search input::placeholder {
            color: rgba(255,255,255,0.45);
        }

        .header-search input:focus {
            width: 200px;
        }

        .header-search button {
            color: var(--color-accent);
            font-size: 0.95rem;
            padding: 4px;
        }

        .btn-accent-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), #d4942b);
            color: #1a1a2e;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(226,168,62,0.3);
        }

        .btn-accent-sm:hover {
            background: linear-gradient(135deg, #f0b84d, #e09e30);
            box-shadow: 0 4px 18px rgba(226,168,62,0.45);
            transform: translateY(-1px);
        }

        .btn-accent-sm:active {
            transform: scale(0.97);
        }

        /* ===== CHANNEL NAV ===== */
        .channel-nav {
            background: #0d1321;
            border-top: 1px solid rgba(255,255,255,0.06);
            height: var(--channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-nav-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .channel-tab:hover {
            color: #ffffff;
            background: rgba(255,255,255,0.06);
        }

        .channel-tab.active {
            color: #ffffff;
            background: rgba(226,168,62,0.15);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(226,168,62,0.3);
        }

        .tab-badge {
            font-size: 0.7rem;
            padding: 2px 7px;
            border-radius: 10px;
            background: var(--color-danger);
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
        }

        .mobile-menu-toggle {
            display: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255,255,255,0.08);
        }

        /* ===== ARTICLE BANNER ===== */
        .article-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: var(--spacing-xl) 0;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,15,26,0.82) 0%, rgba(18,26,43,0.9) 100%);
        }

        .article-banner-content {
            position: relative;
            z-index: 1;
            color: #ffffff;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: rgba(255,255,255,0.4);
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .article-banner-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            max-width: 800px;
        }

        .article-meta-banner {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            flex-wrap: wrap;
        }

        .article-meta-banner .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta-banner .category-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(226,168,62,0.2);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== MAIN CONTENT ===== */
        .main-content {
            flex: 1;
            padding: var(--spacing-lg) 0 var(--spacing-2xl);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--border-radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .article-card.article-body-card {
            padding: var(--spacing-xl) var(--spacing-lg);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
            word-break: break-word;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--color-primary);
            line-height: 1.35;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: var(--spacing-md) 0 var(--spacing-xs);
            color: var(--color-text);
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: var(--spacing-sm);
        }

        .article-body img {
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body ul, .article-body ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 1.5em;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 6px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-light);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            margin: var(--spacing-md) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        .article-body code {
            background: #f0f2f5;
            padding: 2px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: #d63384;
        }

        .article-body pre {
            background: #1e1e2e;
            color: #e0e0e0;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            overflow-x: auto;
            margin: var(--spacing-md) 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }

        .article-body a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--color-accent-hover);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
            font-size: 0.95rem;
        }

        .article-body th, .article-body td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body th {
            background: #f8f9fb;
            font-weight: 600;
        }

        /* ===== NOT FOUND ===== */
        .not-found-card {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            background: var(--color-surface);
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-md);
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--color-muted);
            margin-bottom: var(--spacing-md);
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }

        .not-found-card p {
            color: var(--color-muted);
            margin-bottom: var(--spacing-md);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 26px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1a1a2e;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(226,168,62,0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(226,168,62,0.4);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        /* ===== RELATED POSTS ===== */
        .section-related {
            margin-top: 0;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .section-title {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .related-card {
            background: var(--color-surface);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

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

        .related-card-image {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
            background: #e8eaef;
        }

        .related-card-body {
            padding: var(--spacing-sm);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-card-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-title a {
            color: inherit;
        }

        .related-card-title a:hover {
            color: var(--color-accent);
        }

        .related-card-meta {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-empty {
            text-align: center;
            color: var(--color-muted);
            padding: var(--spacing-lg);
            grid-column: 1 / -1;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a2a48 100%);
            border-radius: var(--border-radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            color: #ffffff;
            margin-top: var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(226,168,62,0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(226,168,62,0.06);
            pointer-events: none;
        }

        .cta-section > * {
            position: relative;
            z-index: 1;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            margin-bottom: var(--spacing-md);
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1.1rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-accent), #d4942b);
            color: #1a1a2e;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(226,168,62,0.35);
            letter-spacing: 0.02em;
        }

        .btn-cta-lg:hover {
            background: linear-gradient(135deg, #f0b84d, #e09e30);
            box-shadow: 0 10px 32px rgba(226,168,62,0.5);
            transform: translateY(-3px);
        }

        .btn-cta-lg:active {
            transform: scale(0.96);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-nav-bg);
            color: #c8cdd8;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: var(--color-nav-text);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .container-narrow {
                padding: 0 var(--spacing-sm);
            }
            .article-banner-title {
                font-size: 1.6rem;
            }
            .article-card.article-body-card {
                padding: var(--spacing-md);
            }
            .article-body {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --channel-height: 44px;
            }
            .header-logo {
                font-size: 1rem;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .header-search input {
                width: 100px;
            }
            .header-search input:focus {
                width: 140px;
            }
            .btn-accent-sm {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .channel-tab {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .article-banner {
                min-height: 160px;
                padding: var(--spacing-md) 0;
            }
            .article-banner-title {
                font-size: 1.35rem;
            }
            .article-card.article-body-card {
                padding: var(--spacing-sm);
                border-radius: var(--border-radius);
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .related-card-image {
                height: 150px;
            }
            .cta-section {
                padding: var(--spacing-md);
                border-radius: var(--border-radius);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .btn-cta-lg {
                padding: 12px 28px;
                font-size: 1rem;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-actions .btn-accent-sm {
                display: none;
            }
            .header-search {
                display: none;
            }
            .header-search.mobile-visible {
                display: flex;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-nav-bg);
                border-radius: 0;
                padding: 10px var(--spacing-sm);
                border-top: 1px solid rgba(255,255,255,0.06);
            }
            .header-search.mobile-visible input {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            :root {
                --nav-height: 52px;
                --channel-height: 40px;
                --spacing-lg: 24px;
                --spacing-xl: 32px;
            }
            .container, .container-narrow {
                padding: 0 12px;
            }
            .header-logo {
                font-size: 0.9rem;
                gap: 6px;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                border-radius: 7px;
                font-size: 0.8rem;
            }
            .channel-tab {
                padding: 5px 11px;
                font-size: 0.78rem;
                border-radius: 18px;
            }
            .article-banner {
                min-height: 130px;
                padding: var(--spacing-sm) 0;
            }
            .article-banner-title {
                font-size: 1.2rem;
            }
            .article-meta-banner {
                font-size: 0.78rem;
                gap: 8px;
            }
            .article-card.article-body-card {
                padding: var(--spacing-sm);
                border-radius: 10px;
            }
            .article-body {
                font-size: 0.92rem;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 1.15rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .related-card-image {
                height: 140px;
            }
            .cta-section {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .cta-section h3 {
                font-size: 1.15rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn-cta-lg {
                padding: 10px 22px;
                font-size: 0.9rem;
                border-radius: 24px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-col h4 {
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1a2744;
            --color-primary-light: #243358;
            --color-accent: #d4a843;
            --color-accent-hover: #c4962e;
            --color-accent-light: #fdf3dc;
            --color-bg: #f5f6f9;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4f62;
            --color-muted: #7b8094;
            --color-border: #e2e5ed;
            --color-border-light: #eef0f5;
            --color-success: #2d9d5a;
            --color-warning: #f0a030;
            --color-danger: #d9453a;
            --color-tag-bg: #eef1f8;
            --color-tag-text: #3d5080;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --font-xs: 0.75rem;
            --font-sm: 0.85rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 2.75rem;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-width: 1200px;
            --nav-height-top: 56px;
            --nav-height-channel: 48px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; border: none; outline: none; }
        input { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-text); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }

        /* ============ Header: 双层导航 ============ */
        .site-header {
            background: var(--color-surface);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        /* 第一行：品牌 + 搜索/CTA */
        .header-top {
            background: var(--color-primary);
            color: #fff;
            height: var(--nav-height-top);
            display: flex;
            align-items: center;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            font-size: var(--font-lg);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo i {
            color: var(--color-accent);
            font-size: 1.3em;
        }
        .brand-logo:hover { color: var(--color-accent); transition: color var(--transition-fast); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.12);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            gap: 8px;
            transition: background var(--transition-fast);
        }
        .header-search:focus-within {
            background: rgba(255,255,255,0.22);
            box-shadow: 0 0 0 2px rgba(255,255,255,0.25);
        }
        .header-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: var(--font-sm);
            width: 160px;
        }
        .header-search input::placeholder { color: rgba(255,255,255,0.55); }
        .header-search button {
            background: transparent;
            color: rgba(255,255,255,0.7);
            padding: 2px;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .header-search button:hover { color: #fff; }
        .btn-header-cta {
            background: var(--color-accent);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: var(--font-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(212,168,67,0.3);
        }
        .btn-header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(212,168,67,0.4);
        }
        /* 第二行：频道 Tabs */
        .channel-nav {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav .container { padding-top: 0; padding-bottom: 0; }
        .channel-tabs {
            display: flex;
            gap: 4px;
            align-items: center;
            height: var(--nav-height-channel);
            white-space: nowrap;
            min-width: max-content;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }
        .channel-tab i { font-size: 0.85em; }
        .channel-tab:hover { color: var(--color-primary); background: var(--color-tag-bg); }
        .channel-tab.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .tab-badge {
            font-size: 0.65rem;
            background: var(--color-danger);
            color: #fff;
            padding: 2px 7px;
            border-radius: 20px;
            font-weight: 700;
            line-height: 1.3;
            animation: badgePulse 2s infinite;
        }
        @keyframes badgePulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* ============ 移动端汉堡菜单 ============ */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover { background: rgba(255,255,255,0.1); }

        /* ============ 分类页 Banner ============ */
        .category-banner {
            position: relative;
            background: var(--color-primary) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,39,68,0.88) 0%, rgba(26,39,68,0.7) 50%, rgba(26,39,68,0.82) 100%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: #fff;
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .banner-breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.7);
            margin-bottom: var(--spacing-md);
        }
        .banner-breadcrumb a { color: rgba(255,255,255,0.7); }
        .banner-breadcrumb a:hover { color: var(--color-accent); }
        .banner-breadcrumb span { color: #fff; }
        .category-banner h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }
        .category-banner .banner-subtitle {
            font-size: var(--font-md);
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin-bottom: var(--spacing-lg);
            line-height: 1.6;
        }
        .banner-search-lg {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-full);
            padding: 6px 6px 6px 20px;
            gap: 10px;
            max-width: 520px;
            width: 100%;
            backdrop-filter: blur(6px);
            transition: all var(--transition-fast);
        }
        .banner-search-lg:focus-within {
            background: rgba(255,255,255,0.22);
            border-color: rgba(255,255,255,0.45);
            box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
        }
        .banner-search-lg input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: var(--font-base);
            min-width: 0;
        }
        .banner-search-lg input::placeholder { color: rgba(255,255,255,0.5); }
        .banner-search-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: var(--font-base);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(212,168,67,0.35);
        }
        .banner-search-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(212,168,67,0.45);
        }

        /* ============ 板块通用 ============ */
        .section { padding: var(--spacing-2xl) 0; }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }
        .section-title {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title .title-icon {
            color: var(--color-accent);
            font-size: 1.1em;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 4px;
            height: 26px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .section-subtitle {
            font-size: var(--font-sm);
            color: var(--color-muted);
            margin-top: 4px;
        }
        .section-link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .section-link:hover { color: var(--color-accent-hover); }
        .section-link i { font-size: 0.75em; transition: transform var(--transition-fast); }
        .section-link:hover i { transform: translateX(3px); }

        /* ============ 标签筛选行 ============ */
        .tag-filter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: var(--spacing-lg);
        }
        .tag-filter {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 600;
            background: var(--color-surface);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-filter:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }
        .tag-filter.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 2px 8px rgba(212,168,67,0.25);
        }

        /* ============ 精选攻略卡片网格 ============ */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .featured-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-tag-bg);
        }
        .featured-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .card-img-wrap img { transform: scale(1.05); }
        .card-rank-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: var(--font-xs);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            z-index: 2;
        }
        .card-rank-badge.top1 { background: #d4a843; }
        .card-rank-badge.top2 { background: #8b9cb8; }
        .card-rank-badge.top3 { background: #b87a5c; }
        .featured-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-tag {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--color-tag-text);
            background: var(--color-tag-bg);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .featured-card h3 {
            font-size: var(--font-md);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card .card-excerpt {
            font-size: var(--font-sm);
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            gap: 14px;
            font-size: var(--font-xs);
            color: var(--color-muted);
            margin-top: auto;
            padding-top: 4px;
        }
        .card-meta span { display: flex; align-items: center; gap: 4px; }

        /* ============ 列表样式攻略 ============ */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .guide-list-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--color-surface);
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .guide-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }
        .list-rank {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--color-accent);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .list-rank.outside-top { color: var(--color-muted); }
        .guide-list-item .list-img {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-tag-bg);
        }
        .guide-list-item .list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-info { flex: 1; min-width: 0; }
        .list-info h4 {
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .list-info .list-excerpt {
            font-size: var(--font-sm);
            color: var(--color-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .list-meta-side {
            text-align: right;
            flex-shrink: 0;
        }
        .list-views {
            font-size: var(--font-xs);
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 3px;
            justify-content: flex-end;
        }
        .list-date {
            font-size: var(--font-xs);
            color: var(--color-muted);
            margin-top: 2px;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(212,168,67,0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .cta-content { flex: 1; min-width: 260px; }
        .cta-content h2 {
            font-size: var(--font-2xl);
            color: #fff;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }
        .cta-content p {
            color: rgba(255,255,255,0.75);
            font-size: var(--font-base);
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .cta-form input {
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: var(--font-base);
            min-width: 240px;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder { color: rgba(255,255,255,0.5); }
        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.16);
            box-shadow: 0 0 0 3px rgba(212,168,67,0.15);
        }
        .btn-cta-submit {
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-base);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(212,168,67,0.35);
        }
        .btn-cta-submit:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(212,168,67,0.45);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border-light);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            cursor: pointer;
            font-weight: 700;
            font-size: var(--font-base);
            gap: var(--spacing-sm);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover { background: var(--color-tag-bg); }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-xs);
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-md);
            font-size: var(--font-sm);
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover { color: var(--color-accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.55);
        }

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary { background: var(--color-accent); color: #fff; box-shadow: 0 2px 10px rgba(212,168,67,0.3); }
        .btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212,168,67,0.4); }
        .btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-border); }
        .btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-light); }
        .btn-sm { padding: 6px 14px; font-size: var(--font-xs); }

        /* ============ 响应式设计 ============ */
        @media (max-width: 1024px) {
            :root {
                --font-4xl: 2.2rem;
                --font-2xl: 1.6rem;
                --spacing-2xl: 48px;
            }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-content { grid-template-columns: repeat(2, 1fr); }
            .category-banner { min-height: 280px; }
        }

        @media (max-width: 768px) {
            :root {
                --font-4xl: 1.8rem;
                --font-2xl: 1.4rem;
                --font-xl: 1.2rem;
                --spacing-2xl: 36px;
                --spacing-xl: 28px;
                --nav-height-top: 50px;
            }
            .header-search input { width: 100px; }
            .btn-header-cta { padding: 6px 14px; font-size: var(--font-xs); }
            .featured-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
            .guide-list-item { flex-wrap: wrap; gap: var(--spacing-sm); }
            .guide-list-item .list-img { width: 60px; height: 44px; }
            .list-rank { font-size: var(--font-lg); min-width: 30px; }
            .list-meta-side { display: flex; gap: 10px; text-align: left; }
            .cta-section .container { flex-direction: column; text-align: center; }
            .cta-form { justify-content: center; }
            .cta-form input { min-width: 200px; }
            .footer-content { grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
            .category-banner { min-height: 240px; }
            .banner-search-lg { max-width: 100%; }
            .section-header { flex-direction: column; align-items: flex-start; }
            .tag-filter-row { gap: 6px; }
            .tag-filter { padding: 5px 12px; font-size: var(--font-xs); }
        }

        @media (max-width: 520px) {
            :root {
                --font-4xl: 1.5rem;
                --font-2xl: 1.25rem;
                --font-base: 0.95rem;
                --spacing-2xl: 28px;
                --spacing-lg: 20px;
                --spacing-md: 14px;
                --nav-height-top: 46px;
                --nav-height-channel: 42px;
            }
            .brand-logo { font-size: var(--font-base); }
            .header-search { display: none; }
            .btn-header-cta { font-size: 0.7rem; padding: 5px 10px; }
            .featured-grid { grid-template-columns: 1fr; }
            .guide-list-item { padding: var(--spacing-sm); }
            .guide-list-item .list-img { display: none; }
            .list-rank { font-size: var(--font-base); min-width: 24px; }
            .footer-content { grid-template-columns: 1fr; }
            .cta-form { flex-direction: column; width: 100%; }
            .cta-form input { width: 100%; min-width: auto; }
            .btn-cta-submit { width: 100%; text-align: center; justify-content: center; }
            .category-banner { min-height: 200px; }
            .category-banner h1 { font-size: var(--font-xl); }
            .banner-search-lg { flex-direction: column; border-radius: var(--radius-md); padding: 10px; gap: 8px; }
            .banner-search-lg input { width: 100%; padding: 8px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.08); }
            .banner-search-btn { width: 100%; text-align: center; justify-content: center; border-radius: var(--radius-md); }
            .channel-tab { padding: 6px 10px; font-size: var(--font-xs); }
            .tag-filter-row { gap: 4px; }
            .tag-filter { padding: 4px 10px; font-size: 0.7rem; }
            .section-title { font-size: var(--font-lg); }
            .faq-question { font-size: var(--font-sm); padding: var(--spacing-sm); }
        }

        /* ============ 辅助类 ============ */
        .text-center { text-align: center; }
        .mt-sm { margin-top: var(--spacing-sm); }
        .mt-md { margin-top: var(--spacing-md); }
        .mt-lg { margin-top: var(--spacing-lg); }
        .mb-sm { margin-bottom: var(--spacing-sm); }
        .mb-md { margin-bottom: var(--spacing-md); }
        .mb-lg { margin-bottom: var(--spacing-lg); }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }