/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e94560;
            --primary-dark: #c2304a;
            --primary-light: #ff6b81;
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4e;
            --accent: #f5a623;
            --accent-light: #ffc14d;
            --bg-dark: #0a0a18;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --bg-section: #0e0e22;
            --bg-section-alt: #14142e;
            --text-light: #ffffff;
            --text-muted: #8a8aaa;
            --text-dim: #5a5a7a;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 30px rgba(233, 69, 96, 0.15);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

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

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 12px 0;
            transition: all var(--transition);
            background: transparent;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
        }

        .site-header.scrolled {
            background: rgba(10, 10, 24, 0.88);
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
            padding: 6px 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
        }

        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }

        .site-logo .logo-text {
            background: linear-gradient(135deg, #fff 30%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list .nav-link {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
        }

        .nav-list .nav-link:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-list .nav-link.active {
            color: var(--text-light);
            background: rgba(233, 69, 96, 0.18);
            box-shadow: 0 0 20px rgba(233, 69, 96, 0.08);
        }

        .nav-list .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: all var(--transition);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-search:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .nav-cta {
            padding: 8px 22px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(233, 69, 96, 0.35);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

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

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 70%, transparent 100%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 70%, transparent 100%);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 20%, rgba(233, 69, 96, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(245, 166, 35, 0.06) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(233, 69, 96, 0.12);
            border: 1px solid rgba(233, 69, 96, 0.2);
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(40px, 7vw, 72px);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary-light) 70%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1.5px;
        }

        .hero-desc {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(233, 69, 96, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        .btn-secondary {
            padding: 14px 36px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-light);
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(4px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-2px);
            color: var(--text-light);
        }

        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-light);
            display: block;
        }

        .hero-stat-item .label {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 4px;
            font-weight: 400;
        }

        /* ===== 通用板块标题 ===== */
        .section-padding {
            padding: 100px 0;
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(233, 69, 96, 0.08);
            border: 1px solid rgba(233, 69, 96, 0.12);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(28px, 3.5vw, 42px);
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.15), rgba(245, 166, 35, 0.1));
            color: var(--primary-light);
            border: 1px solid rgba(233, 69, 96, 0.1);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-light);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 游戏推荐板块 ===== */
        .section-bg-alt {
            background: var(--bg-section-alt);
        }

        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-lg);
        }

        .game-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .game-card:hover .game-card-img {
            transform: scale(1.03);
        }

        .game-card-body {
            padding: 20px 22px 24px;
        }

        .game-card-body .game-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 4px;
            background: rgba(233, 69, 96, 0.1);
            color: var(--primary-light);
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .game-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .game-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .game-card-body .game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-dim);
        }

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

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

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateX(4px);
        }

        .news-item .news-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(233, 69, 96, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 16px;
            flex-shrink: 0;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-light);
        }

        .news-item .news-content h3 a {
            color: var(--text-light);
        }

        .news-item .news-content h3 a:hover {
            color: var(--primary-light);
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
            font-size: 12px;
            color: var(--text-dim);
        }

        .news-item .news-meta .category-badge {
            padding: 2px 12px;
            border-radius: 4px;
            background: rgba(245, 166, 35, 0.08);
            color: var(--accent);
            font-size: 11px;
            font-weight: 500;
        }

        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        .news-empty i {
            font-size: 40px;
            color: var(--text-dim);
            margin-bottom: 16px;
            display: block;
        }

        .news-empty p {
            font-size: 15px;
        }

        /* ===== 数据统计板块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .stat-card {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }

        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-light);
            display: block;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== FAQ 板块 ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.08);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-dim);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: var(--bg-section);
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(10, 10, 24, 0.92) 0%, rgba(18, 18, 42, 0.88) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-light);
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .site-logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-dim);
            transition: color var(--transition);
        }

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

        .footer-col .social-links {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }

        .footer-col .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-dim);
            font-size: 15px;
            transition: all var(--transition);
        }

        .footer-col .social-links a:hover {
            background: rgba(233, 69, 96, 0.12);
            border-color: rgba(233, 69, 96, 0.2);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-dim);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .footer-links a {
            font-size: 13px;
            color: var(--text-dim);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .nav-list {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 12px;
                right: 12px;
                background: rgba(10, 10, 24, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 12px 8px;
                flex-direction: column;
                gap: 4px;
                border: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: var(--shadow-lg);
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list .nav-link {
                padding: 12px 18px;
                width: 100%;
                border-radius: 8px;
                font-size: 16px;
            }

            .nav-list .nav-link.active::after {
                display: none;
            }

            .nav-list .nav-link.active {
                background: rgba(233, 69, 96, 0.12);
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .hero {
                min-height: 90vh;
                padding: 100px 20px 60px;
            }

            .hero-title {
                font-size: clamp(32px, 8vw, 52px);
            }

            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }

            .hero-stat-item .num {
                font-size: 22px;
            }

            .section-padding {
                padding: 60px 0;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .games-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-card .stat-num {
                font-size: 28px;
            }

            .news-item {
                padding: 16px 18px;
                gap: 14px;
                flex-wrap: wrap;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .cta-section {
                padding: 60px 0;
            }
        }

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

            .hero {
                padding: 80px 16px 40px;
                min-height: 85vh;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .hero-stats {
                flex-direction: column;
                gap: 16px;
                margin-top: 36px;
                padding-top: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 24px 12px;
            }

            .games-grid {
                gap: 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }

            .footer-grid {
                gap: 24px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }

        .mt-8 {
            margin-top: 8px;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mt-24 {
            margin-top: 24px;
        }

        .mt-32 {
            margin-top: 32px;
        }

        .gap-8 {
            gap: 8px;
        }

        .gap-12 {
            gap: 12px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.10);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* ===== 选中样式 ===== */
        ::selection {
            background: rgba(233, 69, 96, 0.3);
            color: #fff;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5541d9;
            --primary-light: #a29bfe;
            --primary-gradient: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
            --secondary: #fd79a8;
            --secondary-gradient: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
            --accent: #00cec9;
            --bg-dark: #0a0a1a;
            --bg-section: #0f0f2a;
            --bg-card: #1a1a3e;
            --bg-card-hover: #222250;
            --bg-glass: rgba(15, 15, 42, 0.85);
            --text-primary: #f0f0ff;
            --text-secondary: #b8b8e0;
            --text-muted: #7a7aaa;
            --border-color: rgba(108, 92, 231, 0.25);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-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-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 10, 26, 0.6);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 26, 0.92);
            box-shadow: var(--shadow-md);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #fff;
            font-weight: 800;
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.3);
        }
        .logo-text {
            letter-spacing: 0.5px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-list li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-list li a:hover {
            color: #fff;
        }
        .nav-list li a:hover::after {
            width: 100%;
        }
        .nav-list li a.active {
            color: #fff;
        }
        .nav-list li a.active::after {
            width: 100%;
            background: var(--primary-gradient);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
            color: #fff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 20px;
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                font-size: 17px;
                padding: 8px 0;
            }
            .nav-cta {
                margin-left: 0;
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
            filter: blur(4px) saturate(0.8);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 26, 0.88) 0%, rgba(15, 15, 42, 0.75) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .page-banner h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .page-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-banner .breadcrumb a:hover {
            color: #fff;
        }
        .page-banner .breadcrumb .sep {
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner p {
                font-size: 15px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-header h2 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .subtitle-badge {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 14px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== News Grid ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .news-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition);
        }
        .news-card:hover .card-img {
            transform: scale(1.03);
        }
        .news-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(108, 92, 231, 0.18);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 10px;
            align-self: flex-start;
            border: 1px solid rgba(108, 92, 231, 0.15);
        }
        .news-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover .card-title {
            color: var(--primary-light);
        }
        .news-card .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .news-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .news-card .card-meta i {
            margin-right: 4px;
            font-size: 12px;
        }
        .news-card .card-meta .read-more {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 13px;
            transition: var(--transition);
        }
        .news-card .card-meta .read-more:hover {
            color: #fff;
            transform: translateX(3px);
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card .card-img {
                height: 180px;
            }
            .news-card .card-title {
                font-size: 16px;
            }
        }

        /* ===== Featured / Highlight ===== */
        .featured-news {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 60px;
        }
        .featured-main {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .featured-main:hover {
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            transform: translateY(-4px);
        }
        .featured-main .featured-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }
        .featured-main .featured-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-main .featured-tag {
            display: inline-block;
            padding: 4px 16px;
            background: var(--primary-gradient);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .featured-main .featured-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .featured-main .featured-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .featured-main .featured-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .featured-main .featured-meta i {
            margin-right: 4px;
        }

        .featured-sub {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-sub:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.25);
            box-shadow: var(--shadow-md);
        }
        .featured-sub .sub-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .featured-sub .sub-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-sub .sub-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(0, 206, 201, 0.15);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .featured-sub .sub-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-sub .sub-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        @media (max-width: 900px) {
            .featured-main {
                grid-template-columns: 1fr;
            }
            .featured-main .featured-img {
                min-height: 240px;
                max-height: 280px;
            }
            .featured-main .featured-body {
                padding: 24px 28px;
            }
            .featured-main .featured-title {
                font-size: 22px;
            }
            .featured-news {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .featured-main .featured-body {
                padding: 18px 20px;
            }
            .featured-main .featured-title {
                font-size: 18px;
            }
            .featured-main .featured-excerpt {
                font-size: 14px;
            }
        }

        /* ===== Category Tabs / Filters ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
            justify-content: center;
        }
        .filter-bar .filter-btn {
            padding: 8px 22px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(108, 92, 231, 0.1);
        }
        .filter-bar .filter-btn.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        @media (max-width: 640px) {
            .filter-bar {
                gap: 8px;
            }
            .filter-bar .filter-btn {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 48px;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(108, 92, 231, 0.15);
            transform: translateY(-2px);
        }
        .pagination .current {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .pagination .dots {
            background: transparent;
            border: none;
            color: var(--text-muted);
        }

        @media (max-width: 640px) {
            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }
        }

        /* ===== Hot Topics / Tags ===== */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .topics-cloud .topic-tag {
            padding: 8px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topics-cloud .topic-tag i {
            font-size: 13px;
            color: var(--primary-light);
        }
        .topics-cloud .topic-tag:hover {
            border-color: var(--primary);
            color: #fff;
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .topics-cloud .topic-tag .count {
            display: inline-block;
            padding: 1px 10px;
            background: rgba(108, 92, 231, 0.15);
            border-radius: 50px;
            font-size: 12px;
            color: var(--primary-light);
            margin-left: 4px;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin: 40px 0 0;
        }
        .stats-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stats-item:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.2);
            box-shadow: var(--shadow-md);
        }
        .stats-item .stat-number {
            font-size: 36px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stats-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .stats-item .stat-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-item .stat-number {
                font-size: 28px;
            }
        }
        @media (max-width: 480px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-item {
                padding: 20px 12px;
            }
        }

        /* ===== Newsletter / CTA ===== */
        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-box h3 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }
        .cta-form input[type="email"]:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
        }
        .cta-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .cta-form .btn-submit {
            padding: 14px 32px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
            white-space: nowrap;
        }
        .cta-form .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.35);
        }

        @media (max-width: 640px) {
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h3 {
                font-size: 22px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-submit {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #060612;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            color: var(--text-secondary);
            font-size: 18px;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .social-links a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.3);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-links {
            display: flex;
            gap: 20px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
                flex-wrap: wrap;
                gap: 12px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* ===== Responsive Helpers ===== */
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .section {
                padding: 40px 0;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .news-card .card-body {
                padding: 16px 16px 20px;
            }
        }

/* roulang page: article */
/* ====== 设计变量 ====== */
        :root {
            --primary: #6C5CE7;
            --primary-dark: #5A4BD1;
            --primary-light: #A29BFE;
            --primary-gradient: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
            --secondary: #FD79A8;
            --secondary-dark: #E84393;
            --accent: #00CEC9;
            --accent-dark: #00B5B0;
            --bg-body: #0F0E1A;
            --bg-card: #1A1930;
            --bg-card-hover: #222143;
            --bg-elevated: #26254A;
            --bg-glass: rgba(26, 25, 48, 0.85);
            --text-primary: #F0EFFF;
            --text-secondary: #B8B5E0;
            --text-muted: #7A77A8;
            --border-color: rgba(108, 92, 231, 0.25);
            --border-light: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Roboto, system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
            --max-width: 1200px;
        }

        /* ====== Reset & Base ====== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: #fff; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #fff; }
        p { margin-bottom: 1em; color: var(--text-secondary); }
        p:last-child { margin-bottom: 0; }

        /* ====== 容器 ====== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ====== 头部导航 (玻璃沉浸) ====== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 14, 26, 0.72);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 14, 26, 0.92);
            border-bottom-color: var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Logo */
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .site-logo:hover { color: #fff; opacity: 0.92; }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #fff;
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.3);
        }
        .logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* 导航列表 */
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list .nav-link {
            display: inline-block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list .nav-link:hover {
            color: #fff;
            background: rgba(108, 92, 231, 0.12);
        }
        .nav-list .nav-link.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.20);
        }
        .nav-list .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 4px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: var(--radius-xl) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
            transition: all var(--transition) !important;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45) !important;
            background: linear-gradient(135deg, #7C6EF0 0%, #B2ABFF 100%) !important;
        }

        /* 移动端汉堡 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: transparent;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 14, 26, 0.96);
                backdrop-filter: blur(24px);
                padding: 20px 24px 30px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-list .nav-link.active::after { display: none; }
            .nav-cta { justify-content: center; margin-top: 8px; }
        }

        /* ====== 文章页专属样式 ====== */
        .article-page {
            padding-top: var(--header-height);
        }

        /* 文章 Banner */
        .article-banner {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(135deg, #1A1930 0%, #0F0E1A 100%);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.08) 0%, transparent 60%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover { color: var(--primary-light); }
        .article-breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
        .article-breadcrumb .current { color: var(--text-secondary); }

        .article-banner h1 {
            font-size: clamp(28px, 4.2vw, 52px);
            font-weight: 800;
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px 28px;
            font-size: 15px;
            color: var(--text-secondary);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--primary-light);
            font-size: 14px;
        }
        .article-meta .category-tag {
            display: inline-block;
            padding: 3px 14px;
            background: rgba(108, 92, 231, 0.20);
            border: 1px solid rgba(108, 92, 231, 0.25);
            border-radius: var(--radius-xl);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
        }

        /* 文章正文区 */
        .article-content-section {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
        }
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        @media (max-width: 768px) {
            .article-body { padding: 24px 20px; }
        }

        .article-body .content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body .content p {
            margin-bottom: 1.4em;
        }
        .article-body .content h2 {
            font-size: 26px;
            margin: 40px 0 16px;
            color: #fff;
        }
        .article-body .content h3 {
            font-size: 21px;
            margin: 30px 0 12px;
            color: #fff;
        }
        .article-body .content ul, .article-body .content ol {
            margin: 0 0 1.4em 1.6em;
            color: var(--text-secondary);
        }
        .article-body .content li {
            margin-bottom: 8px;
            list-style: disc;
        }
        .article-body .content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(108, 92, 231, 0.08);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 28px auto;
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }
        .article-body .content .wp-caption {
            text-align: center;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* 侧边栏 */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--primary-light);
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            color: var(--text-secondary);
            font-size: 15px;
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-list a:hover { color: #fff; }
        .sidebar-list .badge {
            display: inline-block;
            padding: 1px 10px;
            border-radius: var(--radius-xl);
            background: rgba(108, 92, 231, 0.18);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(108, 92, 231, 0.10);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .sidebar-tags a:hover {
            background: rgba(108, 92, 231, 0.20);
            border-color: rgba(108, 92, 231, 0.3);
            color: #fff;
        }

        /* 文章导航（上下篇） */
        .article-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-light);
        }
        @media (max-width: 600px) {
            .article-nav { grid-template-columns: 1fr; }
        }
        .article-nav a {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 18px 22px;
            background: var(--bg-elevated);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .article-nav a:hover {
            background: var(--bg-card-hover);
            border-color: rgba(108, 92, 231, 0.25);
            transform: translateY(-2px);
        }
        .article-nav .nav-label {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-nav .nav-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ====== CTA 区块 ====== */
        .article-cta {
            background: linear-gradient(135deg, #1A1930 0%, #0F0E1A 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 60px 0;
            text-align: center;
        }
        .article-cta h2 {
            font-size: clamp(24px, 3vw, 38px);
            margin-bottom: 12px;
        }
        .article-cta p {
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto 28px;
            color: var(--text-secondary);
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-xl);
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            background: transparent;
            color: #fff;
        }
        .btn-primary {
            background: var(--primary-gradient);
            box-shadow: 0 6px 22px rgba(108, 92, 231, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(108, 92, 231, 0.45);
            color: #fff;
        }
        .btn-outline {
            border: 2px solid var(--border-color);
            color: var(--text-secondary);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: #fff;
            background: rgba(108, 92, 231, 0.08);
            transform: translateY(-3px);
        }

        /* ====== 相关内容推荐 ====== */
        .related-section {
            padding: 60px 0 70px;
        }
        .related-section .section-title {
            font-size: 28px;
            margin-bottom: 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-lg);
        }
        .related-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
        }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body h4 {
            font-size: 17px;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h4 a {
            color: #fff;
            transition: color var(--transition);
        }
        .related-card .card-body h4 a:hover { color: var(--primary-light); }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ====== 页脚 ====== */
        .site-footer {
            background: #0B0A14;
            border-top: 1px solid var(--border-light);
            padding: 56px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 560px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 18px;
            color: #fff;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover { color: var(--primary-light); }
        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: rgba(108, 92, 231, 0.12);
            border-radius: 50%;
            color: var(--text-secondary);
            font-size: 18px;
            transition: all var(--transition);
        }
        .social-links a:hover {
            background: var(--primary-gradient);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(108, 92, 231, 0.3);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-muted);
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover { color: var(--primary-light); }
        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        @media (max-width: 560px) {
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ====== 动画 ====== */
        .fade-in { animation: fadeIn 0.7s ease forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

        /* ====== 错误状态 ====== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box i {
            font-size: 60px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn {
            display: inline-flex;
        }