/* roulang page: index */
:root {
            --primary: #6c5ce7;
            --primary-light: #a29bfe;
            --primary-dark: #4834d4;
            --accent: #fd79a8;
            --accent-light: #fab1c8;
            --bg-dark: #0f0f23;
            --bg-card: #1a1a3e;
            --bg-card-hover: #232350;
            --bg-section: #14142e;
            --text-primary: #f0f0ff;
            --text-secondary: #a0a0c0;
            --text-muted: #6c6c8a;
            --border-color: #2d2d5e;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
            --shadow-hover: 0 16px 48px rgba(108,92,231,0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
        }
        input:focus, textarea:focus {
            outline: none;
        }
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* App Shell Layout */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 220px;
            height: 100vh;
            background: var(--bg-card);
            border-right: 1px solid var(--border-color);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 24px 16px;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .sidebar-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .sidebar-nav a:hover {
            background: rgba(108,92,231,0.12);
            color: var(--text-primary);
        }
        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(253,121,168,0.08));
            color: var(--primary-light);
            font-weight: 600;
            border-left: 3px solid var(--primary);
        }
        .sidebar-footer {
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }
        .main-content {
            margin-left: 220px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Mobile Header */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 99;
            background: rgba(15,15,35,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .logo-text {
            font-size: 17px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-btn:hover {
            background: rgba(255,255,255,0.06);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 98;
        }
        .mobile-menu-overlay.open {
            display: block;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero Section */
        .hero {
            padding: 60px 0 50px;
            background: linear-gradient(135deg, rgba(108,92,231,0.08), rgba(253,121,168,0.04));
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108,92,231,0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253,121,168,0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108,92,231,0.15);
            border: 1px solid rgba(108,92,231,0.25);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 520px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(108,92,231,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108,92,231,0.45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(108,92,231,0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .number {
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-stat .label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .hero-stat-divider {
            width: 1px;
            background: var(--border-color);
            align-self: stretch;
        }

        /* Section */
        .section {
            padding: 60px 0;
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-header h2 i {
            color: var(--primary);
            font-size: 24px;
        }
        .section-header .more-link {
            color: var(--text-secondary);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .section-header .more-link:hover {
            color: var(--primary-light);
        }

        /* Feature Cards Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108,92,231,0.3);
        }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(108,92,231,0.15), rgba(253,121,168,0.1));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-light);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Category Cards */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 12px;
            text-align: center;
            transition: var(--transition);
        }
        .category-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108,92,231,0.25);
        }
        .category-card .emoji {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }
        .category-card .name {
            font-size: 14px;
            font-weight: 600;
        }
        .category-card .count {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* News / Post Cards */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108,92,231,0.2);
        }
        .post-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .post-card .meta .tag {
            background: rgba(108,92,231,0.12);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
        }
        .post-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card h3 a:hover {
            color: var(--primary-light);
        }
        .post-card .excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .post-card .footer-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }
        .post-card .footer-meta i {
            margin-right: 4px;
        }

        /* Timeline / Flow */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .flow-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .flow-step .step-number {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108,92,231,0.2);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--text-primary);
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: transform 0.3s;
            font-size: 14px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(253,121,168,0.05));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108,92,231,0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 300px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 4px 0;
        }
        .footer-col a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 16px;
            border: 1px solid var(--border-color);
        }
        .footer-social a:hover {
            background: rgba(108,92,231,0.15);
            color: var(--primary-light);
            border-color: var(--primary);
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
        }
        .empty-state i {
            font-size: 48px;
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .empty-state p {
            font-size: 16px;
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-cards {
                grid-template-columns: repeat(3, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 900px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .post-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .hero {
                padding: 40px 0 36px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                padding: 20px 16px;
                gap: 12px;
            }
            .hero-stat .number {
                font-size: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .feature-card {
                padding: 20px 14px;
            }
            .category-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 8px;
                padding: 16px 12px;
            }
            .hero-stat .number {
                font-size: 20px;
            }
            .hero-stat .label {
                font-size: 12px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .feature-card {
                padding: 16px 12px;
            }
            .feature-card .icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }
            .feature-card h3 {
                font-size: 15px;
            }
            .category-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .btn-primary, .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
            .post-card {
                padding: 18px;
            }
            .post-card h3 {
                font-size: 16px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e11d48;
            --primary-dark: #be123c;
            --primary-light: #fda4af;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --bg-body: #020617;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-color: #334155;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(225, 29, 72, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        /* ===== 左侧导航 App Shell ===== */
        .app-shell {
            display: flex;
            width: 100%;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 220px;
            height: 100vh;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 24px 16px;
            transition: transform var(--transition);
        }

        .sidebar-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .sidebar-logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .sidebar-logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
        }

        .sidebar-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .sidebar-nav a.active {
            color: #fff;
            background: rgba(225, 29, 72, 0.2);
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 60%;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }

        .sidebar-nav a.active i {
            color: var(--primary);
        }

        .sidebar-footer-link {
            padding: 12px 16px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
            color: var(--text-dim);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-footer-link:hover {
            color: var(--text-muted);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 220px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - 220px);
        }

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

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-header .logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .logo i {
            color: var(--primary);
        }

        .mobile-header .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hamburger {
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* 移动端抽屉 */
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 98;
            backdrop-filter: blur(4px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .drawer-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: var(--bg-dark);
            z-index: 99;
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            border-right: 1px solid var(--border-color);
        }

        .drawer-menu.open {
            transform: translateX(0);
        }

        .drawer-menu .drawer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .drawer-menu .drawer-logo i {
            color: var(--primary);
        }

        .drawer-menu .drawer-logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .drawer-menu .sidebar-nav {
            flex: 1;
        }

        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            color: var(--text-muted);
            font-size: 1.3rem;
            background: none;
            border: none;
            cursor: pointer;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 60px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 32px;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin-bottom: 24px;
        }

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            padding: 60px 0 48px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(225, 29, 72, 0.15);
            border: 1px solid rgba(225, 29, 72, 0.25);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }

        .hero-category h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-category h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-category p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 640px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-dim);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        }

        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 20px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(225, 29, 72, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(225, 29, 72, 0.12);
            color: var(--primary);
        }

        .card .card-icon.accent {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
        }

        .card .card-icon.green {
            background: rgba(34, 197, 94, 0.12);
            color: #22c55e;
        }

        .card .card-icon.blue {
            background: rgba(59, 130, 246, 0.12);
            color: #3b82f6;
        }

        .card .card-icon.purple {
            background: rgba(168, 85, 247, 0.12);
            color: #a855f7;
        }

        .card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .card .card-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(225, 29, 72, 0.12);
            color: var(--primary-light);
            margin-top: 12px;
        }

        .card .card-tag.green {
            background: rgba(34, 197, 94, 0.12);
            color: #86efac;
        }

        .card .card-tag.accent {
            background: rgba(245, 158, 11, 0.12);
            color: #fcd34d;
        }

        /* ===== 赛事卡片 (带热度) ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(225, 29, 72, 0.25);
        }

        .event-card .event-img {
            height: 140px;
            background: linear-gradient(135deg, #1e293b, #0f172a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--primary);
            position: relative;
        }

        .event-card .event-img .hot-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 50px;
        }

        .event-card .event-img .live-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #22c55e;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .event-card .event-img .live-badge i {
            font-size: 0.5rem;
        }

        .event-card .event-body {
            padding: 16px 18px 18px;
        }

        .event-card .event-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .event-card .event-body .event-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-bottom: 10px;
        }

        .event-card .event-body .event-meta i {
            margin-right: 4px;
        }

        .event-card .event-body .event-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }

        .news-item:hover {
            border-color: rgba(225, 29, 72, 0.2);
            background: rgba(30, 41, 59, 0.8);
        }

        .news-item .news-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(225, 29, 72, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-content .news-title {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--text-dim);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .news-item .news-content .news-meta i {
            margin-right: 4px;
        }

        .news-item .news-tag {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(225, 29, 72, 0.1);
            color: var(--primary-light);
            align-self: center;
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(225, 29, 72, 0.25);
        }

        .stat-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

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

        .faq-item:hover {
            border-color: rgba(225, 29, 72, 0.2);
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-dim);
        }

        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px 16px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(225, 29, 72, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(225, 29, 72, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(225, 29, 72, 0.06);
        }

        .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-dim);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-social {
            display: flex;
            gap: 16px;
        }

        .footer-social a {
            color: var(--text-dim);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            color: var(--primary);
            transform: scale(1.1);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                width: 100%;
            }

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

            .hero-category h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }

            .container {
                padding: 0 16px;
            }

            .hero-category {
                padding: 40px 0 32px;
            }

            .hero-category h1 {
                font-size: 1.6rem;
            }

            .hero-category p {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .btn-group {
                flex-direction: column;
                align-items: center;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

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

            .event-card .event-img {
                height: 110px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.35rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .hero-stat .num {
                font-size: 1.2rem;
            }

            .news-item {
                flex-direction: column;
                gap: 10px;
            }

            .news-item .news-tag {
                align-self: flex-start;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-card {
                padding: 16px 12px;
            }

            .stat-card .stat-num {
                font-size: 1.5rem;
            }

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

/* roulang page: category2 */
:root {
            --sidebar-width: 220px;
            --color-primary: #2563eb;
            --color-primary-dark: #1d4ed8;
            --color-primary-light: #3b82f6;
            --color-accent: #f97316;
            --color-accent-dark: #ea580c;
            --color-sidebar-bg: #0f172a;
            --color-sidebar-hover: #1e293b;
            --color-sidebar-active: #1e3a5f;
            --color-bg: #f8fafc;
            --color-card-bg: #ffffff;
            --color-text: #0f172a;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --radius-sm: 0.375rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 左侧导航 ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            color: #fff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .app-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1.5rem 1.25rem 1.25rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .app-sidebar .sidebar-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .app-sidebar .sidebar-logo .logo-text {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: #f1f5f9;
            line-height: 1.3;
        }

        .app-sidebar .sidebar-logo .logo-text span {
            color: var(--color-accent);
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            padding: 1rem 0.75rem;
            gap: 0.25rem;
            flex: 1;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .sidebar-nav a i {
            width: 1.25rem;
            text-align: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #fff;
        }

        .sidebar-nav a.active {
            background: var(--color-sidebar-active);
            color: #fff;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }

        .sidebar-nav a.active::after {
            content: '';
            position: absolute;
            right: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 8px rgba(249, 115, 22, 0.5);
        }

        .sidebar-footer {
            padding: 1rem 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            flex-shrink: 0;
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--sidebar-width));
        }

        .app-content {
            flex: 1;
            padding: 0 0 3rem;
        }

        /* ===== 移动端顶栏 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--color-sidebar-bg);
            color: #fff;
            padding: 0.75rem 1rem;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }

        .mobile-topbar .menu-toggle {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.25rem;
            transition: var(--transition);
        }

        .mobile-topbar .menu-toggle:hover {
            background: var(--color-sidebar-hover);
        }

        .mobile-topbar .mobile-logo {
            font-weight: 700;
            font-size: 1rem;
            color: #f1f5f9;
        }

        .mobile-topbar .mobile-logo span {
            color: var(--color-accent);
        }

        /* ===== 遮罩层 ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            backdrop-filter: blur(4px);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .sidebar-overlay.show {
            opacity: 1;
        }

        /* ===== 板块通用 ===== */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* ===== Hero ===== */
        .hero-live {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e293b 100%);
            padding: 4rem 2rem 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero-live::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
            pointer-events: none;
        }

        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.1), transparent 70%);
            pointer-events: none;
        }

        .hero-live .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-live .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(249, 115, 22, 0.2);
            color: #fb923c;
            padding: 0.4rem 1rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(249, 115, 22, 0.25);
            backdrop-filter: blur(4px);
        }

        .hero-live .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-live h1 {
            font-size: 2.75rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .hero-live h1 span {
            background: linear-gradient(135deg, #60a5fa, #fb923c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-live p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-live .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-live .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.35);
        }

        .hero-live .btn-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
        }

        .hero-live .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .hero-live .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
        }

        .hero-live .live-count {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-live .live-count .count-item {
            text-align: center;
        }

        .hero-live .live-count .count-number {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-live .live-count .count-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 0.2rem;
        }

        .hero-live .live-count .dot-live {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulse-dot 1.5s ease-in-out infinite;
            margin-right: 0.25rem;
            vertical-align: middle;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }

        /* ===== 直播分类标签 ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-top: 2rem;
        }

        .category-tabs .tab-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 500;
            background: #fff;
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .category-tabs .tab-item:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary);
            background: #f0f7ff;
        }

        .category-tabs .tab-item.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
        }

        .category-tabs .tab-item i {
            font-size: 0.85rem;
        }

        /* ===== 直播卡片 ===== */
        .live-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .live-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .live-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #1e293b;
        }

        .live-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .live-card .card-thumb .thumb-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
            pointer-events: none;
        }

        .live-card .card-thumb .live-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: #ef4444;
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 9999px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4);
            animation: pulse-tag 2s ease-in-out infinite;
        }

        @keyframes pulse-tag {
            0%,
            100% {
                box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4);
            }
            50% {
                box-shadow: 0 2px 20px rgba(239, 68, 68, 0.7);
            }
        }

        .live-card .card-thumb .live-tag i {
            font-size: 0.5rem;
        }

        .live-card .card-thumb .view-count {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            background: rgba(0, 0, 0, 0.6);
            color: rgba(255, 255, 255, 0.9);
            padding: 0.2rem 0.6rem;
            border-radius: 9999px;
            font-size: 0.7rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .live-card .card-body {
            padding: 1rem 1.1rem 1.1rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .live-card .card-body .match-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.3rem;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .live-card .card-body .match-info {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.5rem;
        }

        .live-card .card-body .match-info .badge-sport {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            background: #f1f5f9;
            padding: 0.15rem 0.6rem;
            border-radius: 9999px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--color-text-muted);
        }

        .live-card .card-body .match-score {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.05em;
            margin-bottom: 0.25rem;
        }

        .live-card .card-body .match-score .vs {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-text-muted);
            margin: 0 0.3rem;
        }

        .live-card .card-body .progress-bar {
            width: 100%;
            height: 3px;
            background: #e2e8f0;
            border-radius: 9999px;
            margin-top: auto;
            overflow: hidden;
        }

        .live-card .card-body .progress-bar .progress-fill {
            height: 100%;
            border-radius: 9999px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: width 1s ease;
        }

        .live-card .card-body .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.65rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }

        /* ===== 直播预告 ===== */
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            cursor: default;
        }

        .schedule-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .schedule-item .schedule-time {
            min-width: 60px;
            text-align: center;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.2;
        }

        .schedule-item .schedule-time .time-sub {
            font-size: 0.65rem;
            font-weight: 400;
            color: var(--color-text-muted);
            display: block;
        }

        .schedule-item .schedule-vs {
            flex: 1;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .schedule-item .schedule-vs .vs-sm {
            font-weight: 400;
            color: var(--color-text-muted);
            margin: 0 0.3rem;
        }

        .schedule-item .schedule-tag {
            font-size: 0.7rem;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            background: #f1f5f9;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .schedule-item .schedule-remind {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.4rem 1rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            transition: var(--transition);
            white-space: nowrap;
        }

        .schedule-item .schedule-remind:hover {
            background: var(--color-primary-dark);
            transform: scale(1.04);
        }

        /* ===== 直播特色 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.25rem;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, var(--color-accent), #ea580c);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.25);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #10b981, #059669);
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25);
        }

        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
        }

        .feature-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 0.75rem;
        }

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

        .faq-item .faq-question {
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            color: var(--color-text);
            transition: var(--transition);
        }

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

        .faq-item .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.25rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.12), transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 1.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            padding: 0.9rem 2.25rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(249, 115, 22, 0.35);
        }

        .cta-section .btn-cta:hover {
            background: var(--color-accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(249, 115, 22, 0.5);
        }

        .cta-section .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0.9rem 2.25rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }

        .cta-section .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 0;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .site-footer .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 0.75rem;
        }

        .site-footer .footer-brand h3 span {
            color: var(--color-accent);
        }

        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 1rem;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 0.3rem 0;
            transition: var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.25rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .site-footer .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 1rem;
            transition: var(--transition);
        }

        .site-footer .footer-social a:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }

            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
            }

            .app-sidebar.open {
                transform: translateX(0);
            }

            .app-main {
                margin-left: 0;
                width: 100%;
            }

            .mobile-topbar {
                display: flex;
            }

            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }

            .sidebar-overlay.show {
                pointer-events: auto;
            }

            .hero-live {
                padding: 2.5rem 1.25rem 2.5rem;
            }

            .hero-live h1 {
                font-size: 1.75rem;
            }

            .hero-live p {
                font-size: 0.95rem;
            }

            .hero-live .live-count {
                flex-wrap: wrap;
                gap: 1rem;
            }

            .hero-live .live-count .count-number {
                font-size: 1.25rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .schedule-item {
                flex-wrap: wrap;
                gap: 0.5rem;
            }

            .schedule-item .schedule-time {
                min-width: 50px;
                font-size: 0.85rem;
            }

            .schedule-item .schedule-vs {
                font-size: 0.85rem;
                flex-basis: 100%;
                order: -1;
            }

            .schedule-item .schedule-remind {
                font-size: 0.7rem;
                padding: 0.3rem 0.8rem;
            }

            .cta-section {
                padding: 2.5rem 1.25rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-live h1 {
                font-size: 1.4rem;
            }

            .hero-live .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-live .btn-primary,
            .hero-live .btn-secondary {
                justify-content: center;
            }

            .category-tabs .tab-item {
                font-size: 0.75rem;
                padding: 0.35rem 0.9rem;
            }

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

            .live-card .card-body .match-title {
                font-size: 0.9rem;
            }

            .live-card .card-body .match-score {
                font-size: 1.15rem;
            }

            .cta-section .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-section .btn-cta,
            .cta-section .btn-ghost {
                justify-content: center;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #1e293b;
            --primary-light: #334155;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --sidebar-width: 240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            display: flex;
            min-height: 100vh;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            text-align: center;
        }

        .sidebar-brand h2 {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .sidebar-brand h2 i {
            color: var(--accent);
            font-size: 1.4rem;
        }

        .sidebar-brand p {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.5);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        .sidebar-nav a:hover i {
            color: var(--accent);
        }

        .sidebar-nav a.active {
            background: rgba(245,158,11,0.15);
            color: #fff;
            font-weight: 600;
        }

        .sidebar-nav a.active i {
            color: var(--accent);
        }

        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: rgba(255,255,255,0.3);
            padding: 16px 16px 6px;
            font-weight: 600;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            background: var(--primary);
            color: #fff;
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }

        .mobile-header .brand {
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .brand i {
            color: var(--accent);
        }

        .menu-toggle {
            background: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(255,255,255,0.1);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

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

        /* ===== 文章主体 ===== */
        .article-wrapper {
            flex: 1;
            padding: 40px 0 60px;
        }

        .article-container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 44px;
            overflow: hidden;
        }

        .article-header {
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245,158,11,0.12);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .article-category i {
            font-size: 0.75rem;
        }

        .article-header h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            align-items: center;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .article-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-muted);
            display: inline-block;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #1e293b;
        }

        .article-body p {
            margin-bottom: 1.5em;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .article-body h2 {
            font-size: 1.5rem;
        }
        .article-body h3 {
            font-size: 1.25rem;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
        }

        .article-body li {
            margin-bottom: 0.4em;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #fffbeb;
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #1e293b;
            font-style: italic;
        }

        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

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

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f1f5f9;
            color: var(--text-light);
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 500;
            transition: var(--transition);
        }

        .article-tags .tag:hover {
            background: var(--accent);
            color: #fff;
        }

        .article-tags .tag i {
            font-size: 0.7rem;
        }

        /* ===== 分享 ===== */
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .article-share span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #f1f5f9;
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }

        .article-share a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 上下篇 ===== */
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .post-nav a {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            background: #f8fafc;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .post-nav a:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow);
        }

        .post-nav a .nav-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .post-nav a .nav-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-nav a:hover .nav-title {
            color: var(--accent);
        }

        .post-nav a.next {
            text-align: right;
        }
        .post-nav a.next .nav-label {
            justify-content: flex-end;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

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

        .sidebar-widget h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h3 i {
            color: var(--accent);
        }

        .sidebar-widget .widget-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid #f1f5f9;
            align-items: flex-start;
        }

        .sidebar-widget .widget-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .widget-item .rank {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-light);
        }

        .widget-item .rank.top {
            background: var(--accent);
            color: #fff;
        }

        .widget-item .widget-text {
            flex: 1;
            min-width: 0;
        }

        .widget-item .widget-text .w-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .widget-item .widget-text .w-title:hover {
            color: var(--accent);
        }

        .widget-item .widget-text .w-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .sidebar-widget .widget-cta {
            margin-top: 16px;
            text-align: center;
        }

        .sidebar-widget .widget-cta a {
            display: inline-block;
            padding: 8px 24px;
            background: var(--accent);
            color: #fff;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .sidebar-widget .widget-cta a:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245,158,11,0.3);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        .related-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section h2 i {
            color: var(--accent);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

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

        .related-card .rc-img {
            height: 160px;
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.2);
            font-size: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .related-card .rc-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px 16px;
            background: linear-gradient(transparent, rgba(0,0,0,0.6));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .related-card .rc-body {
            padding: 16px 18px 18px;
        }

        .related-card .rc-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .related-card:hover .rc-body h4 {
            color: var(--accent);
        }

        .related-card .rc-body .rc-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== CTA 订阅 ===== */
        .cta-section {
            margin-top: 48px;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(245,158,11,0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .cta-section .cta-btn.primary {
            background: var(--accent);
            color: #fff;
        }

        .cta-section .cta-btn.primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245,158,11,0.35);
        }

        .cta-section .cta-btn.secondary {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .cta-section .cta-btn.secondary:hover {
            background: rgba(255,255,255,0.18);
            transform: translateY(-2px);
        }

        /* ===== 评论区 ===== */
        .comments-section {
            margin-top: 48px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 36px 40px;
        }

        .comments-section h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comments-section h3 i {
            color: var(--accent);
        }

        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }

        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fafafa;
            font-size: 0.95rem;
            color: var(--text);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
        }

        .comment-form textarea:focus {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
        }

        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fafafa;
            font-size: 0.9rem;
            color: var(--text);
            transition: var(--transition);
        }

        .comment-form .form-row input:focus {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
        }

        .comment-form .submit-btn {
            align-self: flex-start;
            padding: 10px 32px;
            background: var(--accent);
            color: #fff;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .comment-form .submit-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245,158,11,0.3);
        }

        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .comment-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid #f1f5f9;
        }

        .comment-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .comment-item .avatar {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        .comment-item .comment-body {
            flex: 1;
        }

        .comment-item .comment-body .c-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
        }

        .comment-item .comment-body .c-time {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-left: 10px;
        }

        .comment-item .comment-body .c-text {
            font-size: 0.92rem;
            color: #334155;
            margin-top: 4px;
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 0;
            margin-top: 60px;
        }

        .site-footer .container {
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h3 i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            padding: 4px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 0;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            font-size: 1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 文章未找到 ===== */
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .not-found a {
            display: inline-block;
            padding: 10px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: 20px;
            font-weight: 600;
            transition: var(--transition);
        }

        .not-found a:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-container {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

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

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .sidebar-overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.5);
                z-index: 999;
            }

            .sidebar-overlay.open {
                display: block;
            }

            .article-main {
                padding: 24px 20px;
            }

            .article-header h1 {
                font-size: 1.5rem;
            }

            .article-body {
                font-size: 0.95rem;
            }

            .article-container {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

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

            .post-nav {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 1.35rem;
            }

            .comments-section {
                padding: 24px 20px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

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

            .article-main {
                padding: 16px 16px;
            }

            .article-header h1 {
                font-size: 1.25rem;
            }

            .article-meta {
                gap: 10px;
                font-size: 0.78rem;
            }

            .related-card .rc-img {
                height: 130px;
            }

            .cta-section .cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .comment-form .form-row {
                flex-direction: column;
            }

            .comment-form .form-row input {
                min-width: unset;
            }
        }