/* roulang page: index */
:root {
            --primary: #6C3CE0;
            --primary-light: #8B5CF6;
            --primary-dark: #5530B3;
            --accent: #FF4D6A;
            --accent-hover: #FF6B82;
            --gold: #FFB800;
            --gold-light: #FFD54F;
            --bg-deep: #0A0A14;
            --bg-card: #141428;
            --bg-card-hover: #1A1A38;
            --bg-surface: #1E1E3A;
            --bg-nav: rgba(10, 10, 20, 0.92);
            --text-primary: #F0F0F5;
            --text-secondary: #C5C5D8;
            --text-muted: #8B8BA0;
            --text-white: #FFFFFF;
            --border-subtle: #2A2A45;
            --border-card: #222240;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 60, 224, 0.25);
            --shadow-accent: 0 0 24px rgba(255, 77, 106, 0.3);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --container-narrow: 960px;
            --section-gap: 80px;
            --section-gap-sm: 50px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-base);
        }

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

        ul,
        ol {
            list-style: none;
        }

        /* Container */
        .container {
            width: 100%;
            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 & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            height: 68px;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            border-bottom-color: var(--primary-dark);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
        }

        /* Nav groups */
        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            min-width: 0;
        }

        .nav-group-left {
            justify-content: flex-start;
        }

        .nav-group-right {
            justify-content: flex-end;
        }

        .nav-logo-wrap {
            flex-shrink: 0;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-white);
            white-space: nowrap;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 50%, var(--gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity var(--transition-fast);
            cursor: pointer;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-white);
            background: rgba(108, 60, 224, 0.12);
        }

        .nav-link.active {
            color: var(--text-white);
            background: rgba(108, 60, 224, 0.2);
            box-shadow: inset 0 0 0 1px rgba(108, 60, 224, 0.35);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .nav-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent) 0%, #e03d55 100%);
            border-radius: 24px;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(255, 77, 106, 0.45);
            background: linear-gradient(135deg, var(--accent-hover) 0%, #f05065 100%);
        }

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

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

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

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

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

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

        /* Mobile nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 10, 20, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding-top: 40px;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-overlay .nav-link {
            font-size: 1.1rem;
            padding: 14px 28px;
            width: 80%;
            text-align: center;
            justify-content: center;
            border-radius: var(--radius-md);
        }

        .mobile-nav-overlay .nav-btn {
            margin-top: 12px;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 24px 80px;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 20, 0.55) 0%, rgba(10, 10, 20, 0.8) 40%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, 0);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 60, 224, 0.35) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            animation: heroGlow 6s ease-in-out infinite;
        }

        @keyframes heroGlow {
            0%,
            100% {
                opacity: 0.5;
                transform: translate(-50%, 0) scale(1);
            }
            50% {
                opacity: 1;
                transform: translate(-50%, -20px) scale(1.3);
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 77, 106, 0.15);
            border: 1px solid rgba(255, 77, 106, 0.3);
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent-hover);
            margin-bottom: 28px;
            animation: fadeInUp 0.7s ease forwards;
        }

        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulseDot 1.5s ease-in-out infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 106, 0.7);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 77, 106, 0);
            }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: 1px;
            animation: fadeInUp 0.7s ease 0.1s forwards;
        }

        .hero-title .brand-name {
            background: linear-gradient(135deg, #fff 0%, var(--primary-light) 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeInUp 0.7s ease 0.2s forwards;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.7s ease 0.3s forwards;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 30px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 44px rgba(108, 60, 224, 0.45);
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
        }

        .btn-primary:active {
            transform: scale(0.95);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 30px;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Stats strip */
        .stats-strip {
            position: relative;
            z-index: 3;
            margin-top: -50px;
            padding: 0 24px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-number .highlight {
            background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        /* Section common */
        .section {
            padding: var(--section-gap) 24px;
        }

        .section-sm {
            padding: var(--section-gap-sm) 24px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: block;
        }

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

        .category-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

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

        .category-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .category-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .category-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: rgba(10, 10, 20, 0.8);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--gold);
            backdrop-filter: blur(6px);
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .news-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-base);
            cursor: pointer;
            align-items: flex-start;
        }

        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }

        .news-card-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .news-card-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 5px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(108, 60, 224, 0.2);
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-light);
        }

        .news-empty {
            text-align: center;
            padding: 50px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        /* Ranking */
        .ranking-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 18px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .ranking-item:hover {
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .ranking-pos {
            font-size: 1.8rem;
            font-weight: 900;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .ranking-pos.top1 {
            background: linear-gradient(135deg, #FFB800, #FF8C00);
            color: #fff;
        }

        .ranking-pos.top2 {
            background: linear-gradient(135deg, #B0BEC5, #78909C);
            color: #fff;
        }

        .ranking-pos.top3 {
            background: linear-gradient(135deg, #A1887F, #6D4C41);
            color: #fff;
        }

        .ranking-pos.normal {
            background: var(--bg-card);
            color: var(--text-muted);
            font-size: 1.2rem;
        }

        .ranking-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 2px;
        }

        .ranking-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Community highlight */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .community-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .community-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .community-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: rgba(108, 60, 224, 0.2);
            color: var(--primary-light);
        }

        .community-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .community-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: transparent;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
        }

        .faq-question .faq-icon {
            font-size: 1.4rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--primary-light);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 70px 24px;
            background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-deep) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-section .section-title {
            font-size: 2rem;
        }

        .cta-section .btn-primary {
            margin-top: 24px;
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            padding: 50px 24px 30px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }

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

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--container-max);
            margin: 30px auto 0;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .nav-group-right .nav-link {
                display: none;
            }
            .nav-group-right .nav-btn {
                font-size: 0.82rem;
                padding: 8px 14px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .nav-logo-wrap {
                padding: 0 10px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section {
                padding: 50px 20px;
            }
            :root {
                --section-gap: 50px;
                --section-gap-sm: 32px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .community-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-col a {
                text-align: center;
            }
            .news-card {
                flex-direction: column;
                gap: 10px;
            }
            .news-card-thumb {
                width: 100%;
                height: 140px;
            }
            .nav-group-left .nav-link,
            .nav-group-right .nav-link,
            .nav-group-right .nav-btn {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-logo-wrap {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                padding: 0;
            }
            .header-inner {
                justify-content: flex-end;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero {
                padding: 80px 16px 50px;
                min-height: 85vh;
            }
            .stats-strip {
                margin-top: -30px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            :root {
                --section-gap: 40px;
                --section-gap-sm: 26px;
            }
            .site-header {
                height: 60px;
            }
            .header-inner {
                height: 60px;
            }
            .mobile-nav-overlay {
                top: 60px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-tag {
                font-size: 0.72rem;
            }
            .container {
                padding: 0 12px;
            }
            .section {
                padding: 32px 12px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .ranking-pos {
                width: 38px;
                height: 38px;
                font-size: 1.3rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #080c16;
            --bg-secondary: #0f1523;
            --bg-card: #151c2c;
            --bg-card-hover: #1b2440;
            --bg-elevated: #1a2340;
            --bg-input: #111827;
            --text-primary: #e8ecf4;
            --text-secondary: #b0b8cc;
            --text-tertiary: #7a8499;
            --text-muted: #5a6478;
            --accent-primary: #f5493d;
            --accent-primary-hover: #e0352a;
            --accent-secondary: #ff7b42;
            --accent-gold: #f0b840;
            --accent-gold-light: #f5cc5c;
            --accent-blue: #4da6ff;
            --accent-green: #3dd68c;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-medium: rgba(255, 255, 255, 0.10);
            --border-strong: rgba(255, 255, 255, 0.16);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 40px rgba(245, 73, 61, 0.15);
            --shadow-gold: 0 0 30px rgba(240, 184, 64, 0.12);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --container-max: 1240px;
            --container-narrow: 860px;
            --nav-height: 72px;
        }

        *,
        *::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);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 15% 10%, rgba(245, 73, 61, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 30%, rgba(240, 184, 64, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 60%, rgba(77, 166, 255, 0.03) 0%, transparent 55%);
            background-attachment: fixed;
        }

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

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

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

        button {
            cursor: pointer;
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 12, 22, 0.82);
            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 var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(8, 12, 22, 0.94);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            gap: 18px;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-group-left {
            margin-right: auto;
        }
        .nav-group-right {
            margin-left: auto;
            gap: 8px;
        }

        .nav-link {
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--accent-gold-light);
            font-weight: 600;
            background: rgba(240, 184, 64, 0.08);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: var(--radius-full);
        }

        .nav-logo-wrap {
            flex-shrink: 0;
        }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 50%, var(--accent-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding: 8px 4px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-logo:hover {
            filter: brightness(1.2);
            transform: scale(1.04);
        }

        .nav-btn {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            color: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition-bounce);
            box-shadow: 0 2px 12px rgba(245, 73, 61, 0.3);
            white-space: nowrap;
        }
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(245, 73, 61, 0.45);
        }
        .nav-btn:active {
            transform: translateY(0);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: var(--radius-xs);
            z-index: 1001;
            transition: background var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 12, 22, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            flex-direction: column;
            padding: 32px 24px;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay .nav-link {
            font-size: 1.1rem;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            text-align: center;
        }
        .mobile-nav-overlay .nav-btn {
            margin-top: 12px;
            display: block;
            text-align: center;
            padding: 16px 24px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 18px 0 8px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--text-tertiary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold-light);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
            pointer-events: none;
        }

        /* Article Header */
        .article-header-section {
            padding: 32px 0 20px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(240, 184, 64, 0.12);
            color: var(--accent-gold-light);
            margin-bottom: 16px;
            transition: all var(--transition-fast);
        }
        .article-category-tag i {
            font-size: 0.7rem;
        }
        .article-category-tag:hover {
            background: rgba(240, 184, 64, 0.2);
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-tertiary);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-cover {
            margin: 24px 0 8px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .article-cover img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-smooth);
        }
        .article-cover:hover img {
            transform: scale(1.02);
        }

        /* Not Found */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }
        .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-section h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            color: #fff;
            transition: all var(--transition-bounce);
            box-shadow: 0 2px 12px rgba(245, 73, 61, 0.3);
        }
        .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(245, 73, 61, 0.45);
        }

        /* Article Content */
        .article-content-section {
            padding: 12px 0 40px;
        }
        .article-body {
            font-size: 1.08rem;
            line-height: 1.9;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }
        .article-body p {
            margin-bottom: 1.3em;
        }
        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 2em 0 0.8em;
            color: var(--text-primary);
            padding-left: 16px;
            border-left: 4px solid var(--accent-gold);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 1.6em 0 0.7em;
            color: var(--text-primary);
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.55em;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em auto;
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }
        .article-body blockquote {
            margin: 1.8em 0;
            padding: 20px 24px;
            border-left: 4px solid var(--accent-primary);
            background: var(--bg-card);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body code {
            background: var(--bg-input);
            padding: 3px 8px;
            border-radius: var(--radius-xs);
            font-size: 0.9em;
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
        }
        .article-body pre {
            background: var(--bg-input);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5em 0;
            border: 1px solid var(--border-subtle);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            border: none;
            color: var(--text-secondary);
        }

        /* Article Footer */
        .article-footer-section {
            padding: 16px 0 32px;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 32px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
            align-items: center;
        }
        .article-tags .tags-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-tertiary);
            margin-right: 4px;
        }
        .tag-item {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border-medium);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-item:hover {
            background: var(--bg-card-hover);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .article-share .share-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-tertiary);
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border-medium);
            transition: all var(--transition-bounce);
            font-size: 0.95rem;
        }
        .share-btn:hover {
            transform: translateY(-3px);
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-md);
        }
        .share-btn.twitter:hover { background: #1da1f2; }
        .share-btn.facebook:hover { background: #1877f2; }
        .share-btn.weibo:hover { background: #e6162d; }
        .share-btn.copy:hover { background: var(--accent-primary); }

        /* Related Articles */
        .related-section {
            padding: 32px 0 48px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold-light);
            margin-bottom: 8px;
        }
        .section-label i {
            font-size: 0.7rem;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 28px;
            line-height: 1.3;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-medium);
            background: var(--bg-card-hover);
        }
        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }
        .related-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-gold-light);
            letter-spacing: 0.03em;
        }
        .related-card-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .related-card-title {
            color: var(--accent-gold-light);
        }
        .related-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: auto;
        }
        .no-related {
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 20px 0;
        }

        /* Comments Section */
        .comments-section {
            padding: 32px 0 48px;
        }
        .comments-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 32px;
        }
        .comment-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .comment-item:hover {
            border-color: var(--border-medium);
            background: var(--bg-card-hover);
        }
        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .comment-avatar {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .comment-user {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-primary);
        }
        .comment-time {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .comment-body {
            font-size: 0.94rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 54px;
        }
        .comment-form-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-subtle);
        }
        .comment-form-wrap h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 14px;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-input);
            color: var(--text-primary);
            border: 1px solid var(--border-medium);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }
        .form-input:focus,
        .form-textarea:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(240, 184, 64, 0.1);
            outline: none;
        }
        .form-input::placeholder,
        .form-textarea::placeholder {
            color: var(--text-muted);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
            margin-bottom: 14px;
        }
        .btn-submit {
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.92rem;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            color: #fff;
            transition: all var(--transition-bounce);
            box-shadow: 0 2px 12px rgba(245, 73, 61, 0.3);
            cursor: pointer;
        }
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(245, 73, 61, 0.45);
        }

        /* CTA Section */
        .cta-section {
            padding: 48px 0 56px;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--border-medium);
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(245, 73, 61, 0.08);
            pointer-events: none;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(240, 184, 64, 0.06);
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            color: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 20px rgba(245, 73, 61, 0.35);
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(245, 73, 61, 0.5);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 0;
            margin-top: 16px;
        }
        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .footer-brand .nav-logo {
            font-size: 1.3rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-tertiary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-tertiary);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-gold-light);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 24px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group-left .nav-link:nth-child(2) { display: none; }
            .nav-group-right .nav-link { display: none; }
            .nav-group-right .nav-btn { display: inline-flex; }
            .nav-hamburger { display: flex; }
            .header-inner { justify-content: space-between; }
            .nav-group-left { margin-right: 0; }
            .nav-group-right { margin-left: 0; }
            .nav-logo-wrap { position: absolute; left: 50%; transform: translateX(-50%); }
            .article-title { font-size: 1.9rem; }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .container,
            .container-narrow { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .article-title { font-size: 1.55rem; }
            .article-body { font-size: 0.98rem; }
            .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.1rem; }
            .related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .section-title { font-size: 1.35rem; }
            .cta-card { padding: 32px 20px; }
            .cta-card h2 { font-size: 1.3rem; }
            .form-row { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 520px) {
            .article-title { font-size: 1.35rem; }
            .article-meta { gap: 10px; font-size: 0.8rem; }
            .article-body { font-size: 0.92rem; }
            .article-body h2 { font-size: 1.15rem; }
            .related-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 1.2rem; }
            .cta-card h2 { font-size: 1.15rem; }
            .cta-card p { font-size: 0.9rem; }
            .btn-cta-large { padding: 12px 24px; font-size: 0.9rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 20px; }
            .breadcrumb { font-size: 0.78rem; }
            .comments-section .comment-body { padding-left: 0; margin-top: 8px; }
            .comment-header { margin-bottom: 6px; }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --bg-deep: #06060d;
            --bg-primary: #0c0c1a;
            --bg-secondary: #111128;
            --bg-card: #151530;
            --bg-card-hover: #1a1a3d;
            --bg-glass: rgba(20, 20, 50, 0.75);
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #707090;
            --accent-blue: #4a7dff;
            --accent-cyan: #00d4e8;
            --accent-purple: #8b5cf6;
            --accent-gold: #f0a830;
            --accent-rose: #e84060;
            --gradient-hero: linear-gradient(135deg, #0c0c1a 0%, #151540 40%, #0a1030 100%);
            --gradient-card: linear-gradient(145deg, rgba(30,30,70,0.9) 0%, rgba(18,18,45,0.95) 100%);
            --gradient-btn: linear-gradient(135deg, #4a7dff 0%, #6d5df7 100%);
            --gradient-btn-hover: linear-gradient(135deg, #5d8dff 0%, #7d6ff8 100%);
            --gradient-hot: linear-gradient(135deg, #f0a830 0%, #e86040 100%);
            --gradient-ticker: linear-gradient(90deg, transparent 0%, rgba(74,125,255,0.15) 30%, rgba(0,212,232,0.2) 70%, transparent 100%);
            --border-subtle: rgba(255,255,255,0.06);
            --border-card: rgba(255,255,255,0.08);
            --border-active: rgba(74,125,255,0.4);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
            --shadow-glow-blue: 0 0 30px rgba(74,125,255,0.25);
            --shadow-glow-gold: 0 0 24px rgba(240,168,48,0.3);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s ease;
            --nav-height: 72px;
        }

        /* ============ Reset & Base ============ */
        *, *::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-primary);
            background: var(--bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-normal);
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        ul, ol {
            list-style: none;
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 背景氛围 ============ */
        .bg-ambient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            background:
                radial-gradient(ellipse at 20% 15%, rgba(74,125,255,0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 60%, rgba(139,92,246,0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 40% 80%, rgba(0,212,232,0.04) 0%, transparent 50%);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(12,12,26,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .nav-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-group-left {
            flex: 1;
            justify-content: flex-start;
        }
        .nav-group-right {
            flex: 1;
            justify-content: flex-end;
            gap: 6px;
        }
        .nav-logo-wrap {
            flex-shrink: 0;
            text-align: center;
        }
        .nav-logo {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            color: #ffffff;
            background: linear-gradient(135deg, #ffffff 0%, #c0d8ff 50%, #8ab8ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .nav-logo:hover {
            filter: brightness(1.2);
            transform: scale(1.03);
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #ffffff;
            background: rgba(255,255,255,0.05);
        }
        .nav-link.active {
            color: #ffffff;
            background: rgba(74,125,255,0.15);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-blue);
            border-radius: var(--radius-full);
            box-shadow: 0 0 10px rgba(74,125,255,0.6);
        }
        .nav-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background: var(--gradient-btn);
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(74,125,255,0.3);
            white-space: nowrap;
        }
        .nav-btn:hover {
            background: var(--gradient-btn-hover);
            box-shadow: 0 6px 24px rgba(74,125,255,0.45);
            transform: translateY(-1px);
        }
        .nav-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(74,125,255,0.25);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 6px;
            z-index: 1001;
            cursor: pointer;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: all var(--transition-normal);
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ============ 移动端导航面板 ============ */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            background: rgba(12,12,26,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-link,
        .mobile-nav-panel .nav-btn {
            display: block;
            text-align: center;
            padding: 14px 20px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .mobile-nav-panel .nav-btn {
            margin-top: 8px;
            border-radius: var(--radius-full);
        }

        /* ============ 分类Banner ============ */
        .category-banner {
            position: relative;
            padding: 60px 0 50px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,6,13,0.7) 0%, rgba(12,12,26,0.85) 60%, var(--bg-deep) 100%);
            z-index: 0;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }
        .category-banner-title {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .category-banner-title .icon-pulse {
            display: inline-block;
            width: 12px;
            height: 12px;
            background: var(--accent-rose);
            border-radius: 50%;
            margin-right: 8px;
            animation: pulse-dot 1.6s ease-in-out infinite;
            vertical-align: middle;
            position: relative;
            top: -3px;
        }
        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(232,64,96,0.7); }
            50% { box-shadow: 0 0 0 12px rgba(232,64,96,0); }
        }
        .category-banner-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .category-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .cat-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .cat-stat-item .stat-num {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold);
            font-variant-numeric: tabular-nums;
        }

        /* ============ 实时快讯条 ============ */
        .ticker-bar {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
            position: relative;
            z-index: 2;
            overflow: hidden;
        }
        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .ticker-label {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--accent-rose);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.05em;
            animation: pulse-label 2s ease-in-out infinite;
            margin-right: 16px;
        }
        @keyframes pulse-label {
            0%, 100% { box-shadow: 0 0 0 0 rgba(232,64,96,0.5); }
            50% { box-shadow: 0 0 0 10px rgba(232,64,96,0); }
        }
        .ticker-track {
            flex: 1;
            overflow: hidden;
            position: relative;
        }
        .ticker-scroll {
            display: flex;
            gap: 48px;
            animation: ticker-scroll 30s linear infinite;
            white-space: nowrap;
        }
        .ticker-scroll .ticker-item {
            font-size: 0.9rem;
            color: var(--text-secondary);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .ticker-item::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            background: var(--accent-cyan);
            border-radius: 50%;
            flex-shrink: 0;
        }
        @keyframes ticker-scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ============ 主内容区 ============ */
        .main-content {
            position: relative;
            z-index: 2;
            padding: 48px 0 60px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        /* ============ 筛选标签栏 ============ */
        .filter-bar {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            color: #ffffff;
            background: var(--bg-card-hover);
            border-color: rgba(255,255,255,0.15);
        }
        .filter-tag.active {
            color: #ffffff;
            background: rgba(74,125,255,0.2);
            border-color: var(--border-active);
            font-weight: 600;
            box-shadow: 0 0 12px rgba(74,125,255,0.2);
        }

        /* ============ 文章卡片列表 ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            position: relative;
        }
        .article-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255,255,255,0.14);
            box-shadow: var(--shadow-md), 0 0 20px rgba(74,125,255,0.08);
            transform: translateY(-2px);
        }
        .article-card-thumb {
            flex-shrink: 0;
            width: 220px;
            min-height: 160px;
            position: relative;
            overflow: hidden;
        }
        .article-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-thumb img {
            transform: scale(1.06);
        }
        .article-card-thumb .hot-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 0.72rem;
            font-weight: 700;
            color: #fff;
            background: var(--gradient-hot);
            border-radius: var(--radius-full);
            z-index: 2;
            box-shadow: 0 2px 10px rgba(240,168,48,0.35);
        }
        .article-card-body {
            flex: 1;
            padding: 18px 20px 18px 4px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .article-card-meta .meta-cat {
            color: var(--accent-cyan);
            font-weight: 500;
        }
        .article-card-meta .meta-dot {
            width: 3px;
            height: 3px;
            background: var(--text-muted);
            border-radius: 50%;
        }
        .article-card-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-title {
            color: var(--accent-cyan);
        }
        .article-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-card-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            color: var(--accent-blue);
            background: rgba(74,125,255,0.12);
            border-radius: var(--radius-xs);
            font-weight: 500;
        }
        .article-card-views {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 侧边栏 ============ */
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 22px;
            margin-bottom: 20px;
        }
        .sidebar-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 20px;
            background: var(--accent-blue);
            border-radius: 2px;
        }
        .hot-rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hot-rank-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hot-rank-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-rank-item:hover {
            color: #ffffff;
        }
        .hot-rank-num {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            border-radius: var(--radius-sm);
            color: #fff;
            background: var(--bg-secondary);
            transition: all var(--transition-fast);
        }
        .hot-rank-item:nth-child(1) .hot-rank-num {
            background: var(--gradient-hot);
            box-shadow: var(--shadow-glow-gold);
            font-size: 1rem;
        }
        .hot-rank-item:nth-child(2) .hot-rank-num {
            background: linear-gradient(135deg, #c0c0c0, #888);
            box-shadow: 0 0 14px rgba(180,180,180,0.3);
        }
        .hot-rank-item:nth-child(3) .hot-rank-num {
            background: linear-gradient(135deg, #cd7f32, #a0522d);
            box-shadow: 0 0 12px rgba(180,120,60,0.3);
        }
        .hot-rank-info {
            flex: 1;
            min-width: 0;
        }
        .hot-rank-title {
            font-size: 0.88rem;
            font-weight: 500;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text-primary);
        }
        .hot-rank-item:hover .hot-rank-title {
            color: var(--accent-cyan);
        }
        .hot-rank-views {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 3px;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud-item {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            background: var(--bg-secondary);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-cloud-item:hover {
            color: #ffffff;
            background: rgba(74,125,255,0.15);
            border-color: var(--border-active);
            box-shadow: 0 0 10px rgba(74,125,255,0.15);
        }

        /* ============ 分页 ============ */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .page-btn:hover {
            color: #ffffff;
            background: var(--bg-card-hover);
            border-color: rgba(255,255,255,0.15);
        }
        .page-btn.active {
            color: #ffffff;
            background: rgba(74,125,255,0.25);
            border-color: var(--border-active);
            font-weight: 700;
            box-shadow: 0 0 12px rgba(74,125,255,0.2);
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ============ CTA板块 ============ */
        .cta-section {
            position: relative;
            z-index: 2;
            padding: 56px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-cyan), transparent);
            opacity: 0.6;
        }
        .cta-section .container-narrow {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            background: var(--gradient-btn);
            border-radius: var(--radius-full);
            box-shadow: 0 6px 24px rgba(74,125,255,0.35);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 10px 32px rgba(74,125,255,0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(74,125,255,0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 2px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: rgba(255,255,255,0.5);
            background: rgba(255,255,255,0.04);
            color: #ffffff;
        }

        /* ============ FAQ ============ */
        .faq-section {
            position: relative;
            z-index: 2;
            padding: 56px 0;
        }
        .faq-section .container-narrow {
            max-width: 800px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            text-align: center;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 36px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: rgba(255,255,255,0.12);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: #ffffff;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-normal);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ============ Footer ============ */
        .site-footer {
            position: relative;
            z-index: 2;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px 36px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 24px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .content-sidebar .sidebar-card {
                margin-bottom: 0;
            }
            .article-card-thumb {
                width: 180px;
                min-height: 140px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-group {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .header-inner {
                justify-content: space-between;
            }
            .nav-logo-wrap {
                flex: 1;
                text-align: center;
            }
            .category-banner {
                padding: 40px 0 36px;
            }
            .category-banner-title {
                font-size: 1.8rem;
            }
            .category-banner-desc {
                font-size: 0.95rem;
            }
            .main-content {
                padding: 28px 0 40px;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card-thumb {
                width: 100%;
                min-height: auto;
                height: 180px;
            }
            .article-card-body {
                padding: 14px 16px 16px;
            }
            .article-card-title {
                font-size: 1rem;
            }
            .ticker-scroll {
                animation-duration: 20s;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pagination {
                gap: 4px;
            }
            .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .category-banner-title {
                font-size: 1.45rem;
            }
            .category-stats-row {
                gap: 14px;
                font-size: 0.8rem;
            }
            .filter-bar {
                gap: 5px;
            }
            .filter-tag {
                padding: 5px 11px;
                font-size: 0.78rem;
            }
            .article-card-thumb {
                height: 150px;
            }
            .article-card-title {
                font-size: 0.92rem;
            }
            .article-card-excerpt {
                font-size: 0.8rem;
                -webkit-line-clamp: 2;
            }
            .btn-primary, .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .ticker-label {
                font-size: 0.7rem;
                padding: 4px 10px;
                margin-right: 10px;
            }
            .ticker-scroll {
                gap: 28px;
                animation-duration: 16s;
            }
            .ticker-scroll .ticker-item {
                font-size: 0.78rem;
            }
        }