/* roulang page: index */
:root {
            --space-900: #08081a;
            --space-800: #0d0d24;
            --space-700: #121230;
            --space-600: #1a1a3e;
            --space-500: #222250;
            --space-400: #2e2e5e;
            --gold-400: #f0c040;
            --gold-500: #e8a800;
            --gold-600: #d49500;
            --gold-700: #b88000;
            --ember-400: #ff6b6b;
            --ember-500: #e94560;
            --ember-600: #c03950;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c0;
            --text-muted: #787898;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-medium: rgba(255, 255, 255, 0.12);
            --border-bright: rgba(255, 255, 255, 0.2);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 0 40px rgba(232, 168, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--space-900);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 8, 26, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 8, 26, 0.95);
            box-shadow: 0 2px 32px rgba(0, 0, 0, 0.5);
            border-bottom-color: var(--border-medium);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 36px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #ffffff;
            white-space: nowrap;
            background: linear-gradient(135deg, #ffffff 0%, #e0d8c0 50%, #f0c040 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: opacity var(--transition-fast);
        }

        .logo-text:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1a2e;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: rgba(232, 168, 0, 0.15);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--gold-500);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
            color: #1a1a2e;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(232, 168, 0, 0.3);
        }

        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 0, 0.45);
            background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 168, 0, 0.3);
        }

        /* Mobile menu toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 8, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 8px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            text-align: center;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            background: rgba(232, 168, 0, 0.15);
            font-weight: 600;
        }

        .mobile-menu .btn-nav-cta {
            margin-top: 12px;
            text-align: center;
            justify-content: center;
            padding: 14px 24px;
            font-size: 1rem;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .header-right .btn-nav-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 56px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        /* Hero Section */
        .hero-section {
            padding-top: 100px;
            padding-bottom: 60px;
            min-height: 90vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: var(--space-900);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -150px;
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 168, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 20px;
            background: rgba(232, 168, 0, 0.12);
            border: 1px solid rgba(232, 168, 0, 0.25);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gold-400);
            width: fit-content;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 168, 0, 0.3);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 168, 0, 0);
            }
        }

        .hero-badge i {
            font-size: 0.75rem;
            animation: blink-dot 1.8s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.01em;
            color: #ffffff;
            margin: 0;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 50%, var(--gold-700) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            max-width: 500px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
            color: #1a1a2e;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(232, 168, 0, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(232, 168, 0, 0.5);
            background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(232, 168, 0, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #ffffff;
            border: 2px solid var(--border-bright);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.1);
        }

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

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-medium);
            width: 100%;
            aspect-ratio: 4/3;
            max-height: 480px;
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .hero-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(8, 8, 26, 0.7) 100%);
            pointer-events: none;
            border-radius: var(--radius-xl);
        }

        .hero-floating-card {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: rgba(26, 26, 62, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-card);
            z-index: 3;
        }

        .hero-floating-card .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff3b3b;
            animation: live-pulse 1.2s ease-in-out infinite;
        }

        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 59, 59, 0);
            }
        }

        .hero-floating-card span {
            font-size: 0.85rem;
            font-weight: 600;
            color: #ffffff;
            white-space: nowrap;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-content {
                align-items: center;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-floating-card {
                left: 50%;
                transform: translateX(-50%);
                bottom: -30px;
            }
            .hero-image-wrapper {
                aspect-ratio: 16/9;
                max-height: 340px;
            }
            .hero-badge {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-section {
                padding-top: 80px;
                min-height: auto;
                padding-bottom: 50px;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
                border-radius: 24px;
            }
            .hero-floating-card {
                padding: 10px 14px;
                bottom: -20px;
            }
            .hero-floating-card span {
                font-size: 0.75rem;
            }
            .hero-image-wrapper {
                aspect-ratio: 3/2;
                max-height: 240px;
            }
        }

        /* Section Styles */
        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold-400);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin: 0;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin: 0;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

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

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* Feature Card */
        .feature-card {
            background: var(--space-600);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-500), var(--ember-500));
            opacity: 0;
            transition: opacity var(--transition-smooth);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: rgba(232, 168, 0, 0.12);
            color: var(--gold-400);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* Category Entry Card */
        .category-entry-card {
            background: var(--space-600);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

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

        .category-entry-card .card-image {
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .category-entry-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .category-entry-card:hover .card-image img {
            transform: scale(1.06);
        }

        .category-entry-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8, 8, 26, 0.85) 100%);
            pointer-events: none;
        }

        .category-entry-card .card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .category-entry-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--gold-400);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .category-entry-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0;
            line-height: 1.35;
        }

        .category-entry-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--space-600);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: all var(--transition-smooth);
        }

        .news-item:hover {
            border-color: var(--border-bright);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .news-item .news-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .news-item .news-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin: 0;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--space-600);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-medium);
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }
        }

        /* Stats Section */
        .stats-section {
            background: var(--space-800);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1;
            background: linear-gradient(135deg, #ffffff 0%, var(--gold-400) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--space-600);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: #ffffff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--gold-400);
            font-size: 0.9rem;
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

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

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

        /* CTA Section */
        .cta-section {
            background: var(--space-700);
            border-radius: var(--radius-xl);
            margin: 0 24px;
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-medium);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 168, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        @media (max-width: 640px) {
            .cta-section {
                margin: 0 8px;
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--space-900);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--gold-400);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand .logo-text {
            font-size: 1.2rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Dark background for specific sections */
        .bg-space-800 {
            background: var(--space-800);
        }

        .border-top-subtle {
            border-top: 1px solid var(--border-subtle);
        }

        .border-bottom-subtle {
            border-bottom: 1px solid var(--border-subtle);
        }

        /* Divider */
        .section-divider {
            height: 1px;
            background: var(--border-subtle);
            margin: 0;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--space-900);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--space-400);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--space-500);
        }

        /* Focus styles */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold-400);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --primary: #1a3c6e;
            --primary-light: #26508a;
            --primary-dark: #0f2240;
            --accent: #e89440;
            --accent-light: #f5b870;
            --accent-dark: #c47528;
            --bg-page: #f0f3f7;
            --bg-white: #ffffff;
            --bg-dark: #0a0e17;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-light: #cbd5e1;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.15s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --nav-height: 68px;
            --container-max: 1200px;
            --container-narrow: 860px;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-xs);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 900;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-full) !important;
            transition: all var(--transition) !important;
            margin-left: 8px;
        }

        .nav-cta-btn:hover {
            background: var(--accent-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 148, 64, 0.35);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(180deg, #0a0e17 0%, #111827 60%, #1a1f2e 100%);
            padding: 70px 0 60px;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-page), transparent);
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 1;
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--accent-light);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .article-banner .article-category-tag {
            display: inline-block;
            background: rgba(232, 148, 64, 0.2);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(232, 148, 64, 0.3);
        }

        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-light);
            font-size: 0.9rem;
        }

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

        .article-meta i {
            color: var(--accent-light);
            font-size: 0.85rem;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .article-main-section {
            padding: 50px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            align-items: start;
        }

        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .article-featured-image {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }

        .article-featured-image img {
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius);
            transition: transform var(--transition);
        }

        .article-featured-image img:hover {
            transform: scale(1.01);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-main);
        }

        .article-content h2 {
            font-size: 1.6rem;
            margin: 36px 0 16px;
            color: var(--primary-dark);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-light);
        }

        .article-content h3 {
            font-size: 1.3rem;
            margin: 28px 0 12px;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

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

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

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: #fefaf5;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content strong {
            color: var(--primary-dark);
            font-weight: 700;
        }

        .article-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .article-tags-row .tag {
            display: inline-block;
            background: var(--bg-page);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

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

        /* ========== NOT FOUND STATE ========== */
        .not-found-block {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .not-found-block .nf-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .not-found-block h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

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

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            transition: all var(--transition);
        }

        .btn-back:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== SIDEBAR ========== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--accent);
            font-size: 1rem;
        }

        .sidebar-post-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            border-radius: var(--radius-xs);
            padding: 8px;
            margin: -8px;
        }

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

        .sidebar-post-item:hover {
            background: var(--bg-page);
        }

        .sidebar-post-thumb {
            width: 72px;
            height: 54px;
            border-radius: var(--radius-xs);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-page);
        }

        .sidebar-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-info .sp-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-post-item:hover .sp-title {
            color: var(--primary);
        }

        .sidebar-post-info .sp-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tags .stag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--bg-page);
            color: var(--text-secondary);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .sidebar-tags .stag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sidebar-cta-mini {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            text-align: center;
            border: none;
        }

        .sidebar-cta-mini h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

        .sidebar-cta-mini h3 i {
            color: var(--accent-light);
        }

        .sidebar-cta-mini p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .btn-sidebar-cta {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .btn-sidebar-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 148, 64, 0.4);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 0 0 60px;
        }

        .related-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .related-section .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .related-section .section-header p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-page);
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }

        .related-card-body {
            padding: 20px;
        }

        .related-card-body .rc-category {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .related-card-body .rc-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .rc-title {
            color: var(--primary);
        }

        .related-card-body .rc-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(180deg, var(--bg-page) 0%, #e8ecf2 100%);
        }

        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            padding: 0 24px;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(232, 148, 64, 0.3);
        }

        .btn-primary-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(232, 148, 64, 0.45);
        }

        .btn-secondary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-white);
            color: var(--primary);
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--primary);
            transition: all var(--transition);
        }

        .btn-secondary-cta:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a0e17;
            color: var(--text-light);
            padding: 50px 0 24px;
            margin-top: auto;
        }

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

        .footer-brand .logo-text {
            display: inline-block;
            margin-bottom: 10px;
            font-size: 1.3rem;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }

            .sidebar-card {
                flex: 1 1 260px;
                min-width: 240px;
            }

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

            .article-banner h1 {
                font-size: 2rem;
            }

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(10, 14, 23, 0.98);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 90px 28px 40px;
                gap: 8px;
                transition: right var(--transition);
                border-left: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }

            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }

            .article-banner {
                padding: 44px 0 40px;
            }

            .article-banner h1 {
                font-size: 1.6rem;
            }

            .article-body {
                padding: 24px 18px;
            }

            .article-sidebar {
                flex-direction: column;
                gap: 20px;
            }

            .sidebar-card {
                flex: 1 1 auto;
                min-width: auto;
            }

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

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

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

            .article-content {
                font-size: 0.98rem;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
            }

            .logo-text {
                font-size: 1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .article-banner h1 {
                font-size: 1.35rem;
            }

            .article-banner {
                padding: 36px 0 32px;
            }

            .article-body {
                padding: 18px 14px;
                border-radius: var(--radius);
            }

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

            .container-custom,
            .container-narrow {
                padding: 0 12px;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary-cta,
            .btn-secondary-cta {
                width: 100%;
                justify-content: center;
            }

            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px;
            }

            .related-card-body {
                padding: 14px;
            }

            .article-content blockquote {
                padding: 12px 14px;
                margin: 16px 0;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-body,
        .sidebar-card,
        .related-card {
            animation: fadeInUp 0.5s ease forwards;
        }

        .sidebar-card:nth-child(2) {
            animation-delay: 0.1s;
        }
        .sidebar-card:nth-child(3) {
            animation-delay: 0.2s;
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* mobile overlay */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        .nav-overlay.show {
            display: block;
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --bg-primary: #080810;
            --bg-secondary: #0e0e1a;
            --bg-tertiary: #121220;
            --bg-card: #16162a;
            --bg-card-hover: #1c1c35;
            --bg-card-alt: #1a1a30;
            --bg-overlay: rgba(8, 8, 16, 0.75);
            --bg-nav: rgba(10, 10, 22, 0.85);

            --text-primary: #ececf2;
            --text-secondary: #c4c4d4;
            --text-muted: #7c7c96;
            --text-dim: #565670;

            --accent-gold: #f0a500;
            --accent-gold-light: #f7c040;
            --accent-red: #e94560;
            --accent-red-light: #f0627a;
            --accent-blue: #4a90d9;
            --accent-blue-light: #6aade8;
            --accent-cyan: #3dd6c8;
            --accent-purple: #8b5cf6;

            --border-subtle: #1e1e36;
            --border-card: #232340;
            --border-active: #3a3a56;

            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --radius-2xl: 22px;

            --shadow-sm: 0 1px 3px rgba(0,0,0,0.35);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
            --shadow-xl: 0 12px 48px rgba(0,0,0,0.6);
            --shadow-glow-gold: 0 0 20px rgba(240,165,0,0.15);
            --shadow-glow-red: 0 0 20px rgba(233,69,96,0.15);

            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;

            --nav-height: 60px;
            --container-max: 1200px;
            --container-wide: 1320px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }

        /* ============ 基础 Reset ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
        }

        .nav-logo-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.05);
        }

        .nav-links li a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(240,165,0,0.2), rgba(233,69,96,0.18));
            font-weight: 600;
            box-shadow: 0 0 12px rgba(240,165,0,0.1);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-gold), #d49100);
            color: #1a1a1a;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(240,165,0,0.25);
        }

        .nav-cta-btn:hover {
            box-shadow: 0 4px 18px rgba(240,165,0,0.4);
            transform: translateY(-1px);
            color: #0a0a0a;
        }

        /* 移动端汉堡菜单 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        #nav-checkbox {
            display: none;
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .section-label::before {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header-center {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 分类 Hero Banner ============ */
        .category-hero {
            position: relative;
            padding: 60px 0 56px;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .category-hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.28;
            filter: brightness(0.6) saturate(0.8);
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(
                180deg,
                rgba(8,8,16,0.5) 0%,
                rgba(8,8,16,0.8) 40%,
                rgba(8,8,16,0.95) 100%
            );
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }

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

        .breadcrumb .separator {
            color: var(--text-dim);
            font-size: 0.7rem;
        }

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

        .category-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .category-hero-content .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.6;
        }

        .category-hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-stat-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-gold);
        }

        .hero-stat-info .stat-number {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }

        .hero-stat-info .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ============ 精选封面墙 ============ */
        .featured-wall {
            background: var(--bg-primary);
            padding: 48px 0;
        }

        .featured-wall-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            grid-template-rows: 220px 220px;
            gap: 14px;
        }

        .fw-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            transition: all 0.35s ease;
            border: 1px solid var(--border-subtle);
        }

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

        .fw-card.featured-main {
            grid-row: 1 / span 2;
            grid-column: 1;
        }

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

        .fw-card:hover .fw-card-img {
            transform: scale(1.04);
        }

        .fw-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                rgba(0,0,0,0.1) 0%,
                rgba(0,0,0,0.3) 35%,
                rgba(0,0,0,0.75) 80%,
                rgba(0,0,0,0.9) 100%
            );
        }

        .fw-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 11px;
            border-radius: 14px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(240,165,0,0.85);
            color: #1a1a1a;
            letter-spacing: 0.03em;
        }

        .fw-card-badge.live {
            background: rgba(233,69,96,0.9);
            color: #fff;
            animation: live-pulse 1.8s ease-in-out infinite;
        }

        @keyframes live-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .fw-card-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 2;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            transition: all 0.3s ease;
            border: 2px solid rgba(255,255,255,0.3);
        }

        .fw-card:hover .fw-card-play {
            background: var(--accent-red);
            border-color: var(--accent-red);
            box-shadow: var(--shadow-glow-red);
            transform: translate(-50%, -50%) scale(1.08);
        }

        .fw-card-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 16px 18px;
        }

        .fw-card-info .fw-tag {
            font-size: 0.7rem;
            color: var(--accent-gold);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        .fw-card-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .fw-card.featured-main .fw-card-info h3 {
            font-size: 1.35rem;
        }

        .fw-card-info .fw-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ 资讯列表区 ============ */
        .news-list-section {
            background: var(--bg-secondary);
            padding: 56px 0;
        }

        .news-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .news-filters {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .news-filter-btn {
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.84rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .news-filter-btn:hover {
            color: var(--text-primary);
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }

        .news-filter-btn.active-filter {
            color: #fff;
            background: linear-gradient(135deg, rgba(240,165,0,0.25), rgba(233,69,96,0.2));
            border-color: var(--accent-gold);
            font-weight: 600;
        }

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

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }

        .news-card-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .news-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .news-card-thumb .thumb-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
            padding: 4px 10px;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(0,0,0,0.6);
            color: var(--accent-gold);
            letter-spacing: 0.04em;
        }

        .news-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .news-card:hover .news-card-body h3 {
            color: var(--accent-gold);
        }

        .news-card-body .news-excerpt {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 18px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-dim);
        }

        .news-card-footer .news-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .news-card-footer .news-read {
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--accent-blue-light);
        }

        /* ============ 热门排行 ============ */
        .hot-ranking-section {
            background: var(--bg-primary);
            padding: 56px 0;
        }

        .hot-ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .ranking-col {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid var(--border-subtle);
        }

        .ranking-col-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .ranking-col-header .rank-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
        }

        .rank-icon.fire {
            background: linear-gradient(135deg, #e94560, #f0627a);
        }

        .rank-icon.trending {
            background: linear-gradient(135deg, #4a90d9, #6aade8);
        }

        .ranking-col-header h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 12px;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .ranking-item:hover {
            background: var(--bg-card-hover);
        }

        .ranking-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-muted);
            background: var(--bg-tertiary);
            flex-shrink: 0;
        }

        .ranking-item:nth-child(1) .ranking-num {
            background: linear-gradient(135deg, #f0a500, #e94560);
            color: #fff;
            box-shadow: var(--shadow-glow-gold);
            font-size: 0.9rem;
        }

        .ranking-item:nth-child(2) .ranking-num {
            background: linear-gradient(135deg, #c0c0c0, #888);
            color: #fff;
            font-size: 0.9rem;
        }

        .ranking-item:nth-child(3) .ranking-num {
            background: linear-gradient(135deg, #cd7f32, #a0522d);
            color: #fff;
            font-size: 0.9rem;
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-info .rank-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.2s;
        }

        .ranking-item:hover .rank-title {
            color: var(--accent-gold);
        }

        .ranking-info .rank-source {
            font-size: 0.72rem;
            color: var(--text-dim);
        }

        .ranking-heat {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-red-light);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 分类频道 ============ */
        .channel-section {
            background: var(--bg-secondary);
            padding: 48px 0;
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .channel-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .channel-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }

        .channel-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
        }

        .channel-icon.football {
            background: linear-gradient(135deg, #4a90d9, #357abd);
        }
        .channel-icon.basketball {
            background: linear-gradient(135deg, #e94560, #c0392b);
        }
        .channel-icon.esports {
            background: linear-gradient(135deg, #8b5cf6, #6d28d9);
        }
        .channel-icon.tennis {
            background: linear-gradient(135deg, #3dd6c8, #0e9e8e);
        }

        .channel-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .channel-card .channel-count {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ============ CTA 行动区 ============ */
        .cta-section {
            background: var(--bg-primary);
            padding: 56px 0;
        }

        .cta-block {
            background: linear-gradient(135deg, #16162a 0%, #1a1030 40%, #1a1028 100%);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240,165,0,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233,69,96,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-block .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 28px;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold), #d49100);
            color: #1a1a1a;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(240,165,0,0.3);
        }

        .btn-primary-lg:hover {
            box-shadow: 0 6px 24px rgba(240,165,0,0.45);
            transform: translateY(-2px);
            color: #0a0a0a;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border: 2px solid var(--border-active);
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .btn-outline-lg:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(240,165,0,0.06);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            display: inline-block;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.84rem;
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .footer-col ul li span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .featured-wall-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: 200px 200px 200px;
            }
            .fw-card.featured-main {
                grid-row: 1 / span 2;
                grid-column: 1 / span 2;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-ranking-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .category-hero-content h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 44px;
                --section-gap-sm: 28px;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--bg-nav);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 32px;
                gap: 4px;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 999;
            }
            #nav-checkbox:checked ~ .nav-links {
                transform: translateX(0);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links li a {
                font-size: 1rem;
                padding: 10px 24px;
            }
            .featured-wall-grid {
                grid-template-columns: 1fr;
                grid-template-rows: 220px 180px 180px 180px 180px;
            }
            .fw-card.featured-main {
                grid-row: 1;
                grid-column: 1;
            }
            .fw-card-info h3,
            .fw-card.featured-main .fw-card-info h3 {
                font-size: 0.95rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero-content h1 {
                font-size: 1.6rem;
            }
            .category-hero-stats {
                gap: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .news-list-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container, .container-wide {
                padding: 0 14px;
            }
            .channel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .channel-card {
                padding: 16px 10px;
            }
            .channel-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .cta-block h2 {
                font-size: 1.2rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 11px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .category-hero-content h1 {
                font-size: 1.35rem;
            }
            .category-hero-content .hero-desc {
                font-size: 0.88rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .fw-card-play {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }