/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2B5FD9;
            --primary-dark: #1E4AAB;
            --primary-light: #E8EEFC;
            --accent: #F0A500;
            --accent-hover: #D49400;
            --dark: #1A1A2E;
            --dark-soft: #2D3436;
            --bg: #F8F9FC;
            --bg-card: #FFFFFF;
            --text: #2D3436;
            --text-weak: #636E72;
            --text-inverse: #FFFFFF;
            --border: #E0E4E8;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 32px 80px rgba(0, 0, 0, 0.14);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
            --max-width: 1200px;
        }

        /* ===== 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);
            background: var(--bg);
            padding-top: var(--nav-height);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 24px;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 1px 40px rgba(0, 0, 0, 0.06);
        }

        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 820px;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-radius: var(--radius-xl);
            padding: 0 28px;
            height: 54px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .site-header.scrolled .nav-dock {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
            border-color: rgba(255, 255, 255, 0.8);
        }

        .nav-dock .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-dock .logo span {
            color: var(--primary);
        }

        .nav-dock .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-dock .nav-links a {
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-dock .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-dock .nav-links a.active {
            color: var(--text-inverse);
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(43, 95, 217, 0.30);
        }

        .nav-dock .nav-links a.active:hover {
            color: var(--text-inverse);
            background: var(--primary-dark);
        }

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

        .nav-dock .nav-cta .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-dock .nav-cta .search-wrap input {
            border: none;
            background: var(--bg);
            border-radius: 100px;
            padding: 6px 14px 6px 36px;
            font-size: 13px;
            width: 160px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-dock .nav-cta .search-wrap input:focus {
            width: 200px;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(43, 95, 217, 0.10);
        }

        .nav-dock .nav-cta .search-wrap i {
            position: absolute;
            left: 12px;
            color: var(--text-weak);
            font-size: 14px;
            pointer-events: none;
        }

        .nav-dock .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-dock .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.40);
            backdrop-filter: blur(8px);
            z-index: 1060;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: #fff;
            z-index: 1070;
            padding: 80px 28px 40px;
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.08);
            transition: right 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            display: flex;
            flex-direction: column;
        }

        .mobile-menu-panel.open {
            right: 0;
        }

        .mobile-menu-panel .close-btn {
            position: absolute;
            top: 18px;
            right: 18px;
            background: transparent;
            border: none;
            font-size: 24px;
            color: var(--text-weak);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-menu-panel .close-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            margin-bottom: 4px;
        }

        .mobile-menu-panel a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-menu-panel a.active {
            color: var(--text-inverse);
            background: var(--primary);
        }

        .mobile-menu-panel .mobile-cta {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        /* ===== 按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: var(--text-inverse);
            border: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(43, 95, 217, 0.25);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(43, 95, 217, 0.35);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(43, 95, 217, 0.20);
        }

        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent);
            color: var(--dark);
            border: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.25);
        }
        .btn-accent-custom:hover {
            background: var(--accent-hover);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.35);
        }
        .btn-accent-custom:active {
            transform: translateY(0);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(43, 95, 217, 0.20);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0F172A 0%, #1E2A4A 50%, #2B3A5E 100%);
            overflow: hidden;
            padding: 80px 0 100px;
            margin-top: calc(-1 * var(--nav-height));
            padding-top: calc(var(--nav-height) + 60px);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
            animation: heroParallax 20s ease-in-out infinite alternate;
        }

        @keyframes heroParallax {
            0% {
                transform: scale(1.02) translate(0, 0);
            }
            100% {
                transform: scale(1.06) translate(-10px, -8px);
            }
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.70) 0%, rgba(15, 23, 42, 0.40) 50%, rgba(15, 23, 42, 0.80) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 0 24px;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(12px);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.15);
            margin-bottom: 28px;
        }

        .hero-content .hero-badge i {
            color: var(--accent);
        }

        .hero-content h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent), #FF6B35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

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

        .hero-content .hero-actions .btn-primary-custom {
            background: var(--accent);
            color: var(--dark);
            box-shadow: 0 4px 24px rgba(240, 165, 0, 0.35);
        }
        .hero-content .hero-actions .btn-primary-custom:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 32px rgba(240, 165, 0, 0.45);
        }

        .hero-content .hero-actions .btn-outline-custom {
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }
        .hero-content .hero-actions .btn-outline-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.10);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

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

        .hero-stats .stat-item .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats .stat-item .stat-number span {
            color: var(--accent);
        }

        .hero-stats .stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 90px 0;
        }

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

        .section-title .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-title h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-title p {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 28px;
            }
            .section-padding {
                padding: 56px 0;
            }
        }

        /* ===== 分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            cursor: pointer;
            display: block;
            color: inherit;
        }

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

        .category-card .card-img {
            height: 180px;
            background: var(--dark-soft);
            position: relative;
            overflow: hidden;
        }

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

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

        .category-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(8px);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }

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

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

        .category-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
        }

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

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

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

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

        .news-item .news-cat {
            flex-shrink: 0;
            padding: 4px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
        }

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

        .news-item .news-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

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

        .news-item .news-content .news-desc {
            font-size: 14px;
            color: var(--text-weak);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-time {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-weak);
            white-space: nowrap;
        }

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

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

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-item .news-time {
                white-space: normal;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .stat-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
        }

        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
        }

        .stat-card .stat-number span {
            color: var(--primary);
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ===== 特色服务 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .feature-card {
            padding: 32px 28px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }

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

        .feature-card .feat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary-light), #D6E0FA);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-weak);
            font-size: 14px;
        }

        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #2B3A5E 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.70);
            margin-bottom: 32px;
        }

        .cta-content .btn-primary-custom {
            background: var(--accent);
            color: var(--dark);
            box-shadow: 0 4px 24px rgba(240, 165, 0, 0.30);
        }
        .cta-content .btn-primary-custom:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 32px rgba(240, 165, 0, 0.40);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 28px;
        }

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

        .site-footer .footer-brand .logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }
        .site-footer .footer-brand .logo span {
            color: var(--accent);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .site-footer a {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 响应式调整 ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 44px;
            }
            .hero-stats {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-dock .nav-links {
                display: none;
            }
            .nav-dock .nav-cta .search-wrap {
                display: none;
            }
            .nav-dock .nav-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content p {
                font-size: 16px;
            }
            .hero-stats .stat-item .stat-number {
                font-size: 26px;
            }
            .hero-stats {
                gap: 24px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-content .hero-actions .btn-primary-custom,
            .hero-content .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .nav-dock {
                padding: 0 16px;
                height: 48px;
            }
            .nav-dock .logo {
                font-size: 16px;
            }
        }

        /* ===== 滚动渐入动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 搜索框在移动端展开 ===== */
        .search-expand {
            display: none;
        }

        @media (max-width: 768px) {
            .search-expand {
                display: block;
                padding: 12px 24px;
                background: var(--bg);
            }
            .search-expand input {
                width: 100%;
                padding: 10px 16px 10px 40px;
                border-radius: 100px;
                border: 1px solid var(--border);
                background: #fff;
                font-size: 14px;
            }
            .search-expand .search-wrap-mobile {
                position: relative;
            }
            .search-expand .search-wrap-mobile i {
                position: absolute;
                left: 14px;
                top: 50%;
                transform: translateY(-50%);
                color: var(--text-weak);
            }
        }

/* roulang page: article */
:root {
            --primary: #6c3cf0;
            --primary-dark: #5228c7;
            --primary-light: #8b6bf5;
            --secondary: #f0a23c;
            --accent: #ff6b6b;
            --bg-body: #f8f7fc;
            --bg-card: #ffffff;
            --bg-dark: #1a102f;
            --bg-section-alt: #f0edf8;
            --text-primary: #1a102f;
            --text-secondary: #5a4e72;
            --text-light: #8a7fa3;
            --text-white: #ffffff;
            --border-color: #e8e3f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(108,60,240,0.06);
            --shadow-md: 0 8px 30px rgba(108,60,240,0.10);
            --shadow-lg: 0 20px 50px rgba(108,60,240,0.14);
            --shadow-xl: 0 30px 70px rgba(108,60,240,0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        *, *::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;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; outline: none; }
        button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

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

        /* ===== Header / Nav Dock ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 16px 24px;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: var(--radius-xl);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 30px rgba(108,60,240,0.08), 0 1px 3px rgba(0,0,0,0.04);
            border: 1px solid rgba(255,255,255,0.5);
            pointer-events: auto;
            transition: var(--transition);
        }

        .nav-dock:hover { box-shadow: 0 8px 40px rgba(108,60,240,0.12); }

        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span { color: var(--primary); }
        .logo:hover { color: var(--text-primary); transform: scale(1.02); }

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

        .nav-links a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(108,60,240,0.06); }
        .nav-links a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 15px rgba(108,60,240,0.25);
        }
        .nav-links a.active:hover { background: var(--primary-dark); color: var(--text-white); }

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

        .search-wrap {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 100px;
            padding: 6px 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .search-wrap:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(108,60,240,0.08); }
        .search-wrap i { color: var(--text-light); font-size: 0.9rem; margin-right: 8px; }
        .search-wrap input {
            border: none;
            background: transparent;
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            width: 140px;
        }
        .search-wrap input::placeholder { color: var(--text-light); }

        .nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text-primary); cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); transition: var(--transition); }
        .nav-toggle:hover { background: rgba(108,60,240,0.06); color: var(--primary); }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            min-height: 400px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,16,47,0.85) 0%, rgba(26,16,47,0.60) 60%, rgba(108,60,240,0.30) 100%);
            z-index: 1;
        }
        .article-banner .container-custom { position: relative; z-index: 2; width: 100%; }

        .article-banner .category-badge {
            display: inline-block;
            background: rgba(108,60,240,0.25);
            backdrop-filter: blur(4px);
            color: #d4c4ff;
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid rgba(108,60,240,0.3);
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 900px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
        }
        .article-meta i { margin-right: 6px; color: rgba(108,60,240,0.6); }
        .article-meta span { display: flex; align-items: center; }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 60px 0;
            background: var(--bg-body);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            align-items: start;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .article-main .content-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-main .content-body p { margin-bottom: 1.4em; }
        .article-main .content-body h2, .article-main .content-body h3 { margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 700; color: var(--text-primary); }
        .article-main .content-body h2 { font-size: 1.6rem; }
        .article-main .content-body h3 { font-size: 1.25rem; }
        .article-main .content-body ul, .article-main .content-body ol { margin-bottom: 1.4em; padding-left: 1.6em; }
        .article-main .content-body li { margin-bottom: 0.4em; }
        .article-main .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.4em 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-main .content-body code {
            background: var(--bg-section-alt);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-main .content-body img {
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-main .content-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-main .content-body a:hover { color: var(--primary-dark); }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); }

        .sidebar-info-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.92rem;
        }
        .sidebar-info-item:last-child { border-bottom: none; }
        .sidebar-info-item .label { color: var(--text-light); }
        .sidebar-info-item .value { color: var(--text-primary); font-weight: 500; }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        .sidebar-tags .tag {
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-tags .tag:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); }

        /* ===== Article Pagination ===== */
        .article-pagination-section {
            padding: 40px 0;
            background: var(--bg-body);
        }
        .pagination-links {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .pagination-links a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-secondary);
        }
        .pagination-links a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .pagination-links a i { font-size: 0.85rem; }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-section-alt);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 36px;
            text-align: center;
            color: var(--text-primary);
        }
        .related-section .section-title span { color: var(--primary); }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img { transform: scale(1.03); }

        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-body .card-cat {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .related-card .card-body h5 a { color: var(--text-primary); }
        .related-card .card-body h5 a:hover { color: var(--primary); }
        .related-card .card-body .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .related-card .card-body .card-meta {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,16,47,0.88) 0%, rgba(108,60,240,0.50) 100%);
            z-index: 1;
        }
        .cta-section .container-custom { position: relative; z-index: 2; text-align: center; }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary-custom {
            padding: 14px 40px;
            border-radius: 100px;
            background: var(--secondary);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-primary-custom:hover { background: #e8942e; transform: translateY(-2px); box-shadow: 0 12px 35px rgba(240,162,60,0.35); }
        .cta-buttons .btn-outline-custom {
            padding: 14px 40px;
            border-radius: 100px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255,255,255,0.3);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-outline-custom:hover { background: rgba(255,255,255,0.1); border-color: var(--text-white); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(108,60,240,0.15);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { color: var(--text-white); font-size: 1.5rem; margin-bottom: 12px; display: inline-block; }
        .footer-brand .logo span { color: var(--primary-light); }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; margin-top: 12px; }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .site-footer a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer a:hover { color: var(--primary-light); padding-left: 4px; }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
        }

        /* ===== Not Found State ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box i { font-size: 3.6rem; color: var(--primary-light); margin-bottom: 20px; display: block; }
        .not-found-box h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
        .not-found-box p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 100px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .not-found-box .btn-home:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .site-header { padding: 12px 12px; }
            .nav-dock { padding: 8px 16px; border-radius: var(--radius-lg); }
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); border-radius: var(--radius-md); padding: 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--border-color); gap: 4px; }
            .nav-links.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }
            .search-wrap input { width: 100px; }

            .article-banner { padding: 120px 0 60px; min-height: 320px; }
            .article-banner h1 { font-size: 1.8rem; }

            .article-main { padding: 24px 20px; }
            .article-main .content-body { font-size: 1rem; }

            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title { font-size: 1.3rem; }

            .cta-section h2 { font-size: 1.6rem; }
            .cta-buttons .btn-primary-custom, .cta-buttons .btn-outline-custom { padding: 12px 28px; font-size: 0.95rem; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .nav-dock { padding: 6px 12px; }
            .logo { font-size: 1.3rem; }
            .search-wrap { display: none; }
            .search-wrap.mobile-show { display: flex; position: absolute; top: calc(100% + 8px); left: 16px; right: 16px; background: var(--bg-card); border-radius: var(--radius-md); padding: 8px 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--border-color); }
            .search-wrap.mobile-show input { width: 100%; }

            .article-banner h1 { font-size: 1.4rem; }
            .article-meta { gap: 12px; font-size: 0.82rem; flex-wrap: wrap; }

            .article-main { padding: 16px 14px; border-radius: var(--radius-md); }
            .article-main .content-body { font-size: 0.95rem; }

            .pagination-links a { padding: 10px 20px; font-size: 0.85rem; }

            .cta-section { padding: 50px 0; }
            .cta-section h2 { font-size: 1.3rem; }
        }

        /* ===== Extra utilities ===== */
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .text-center { text-align: center; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .flex-wrap { flex-wrap: wrap; }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --secondary: #ff6b35;
            --secondary-hover: #e55a2b;
            --accent: #00d4ff;
            --accent-dim: #0099bb;
            --bg-body: #f5f5f7;
            --bg-card: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-dark-card: #1a1a2e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #f0f0f5;
            --border-light: #e8e8ee;
            --border-card: #e0e0e8;
            --shadow-sm: 0 2px 8px rgba(15, 15, 26, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 15, 26, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 15, 26, 0.14);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== 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;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 6px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        p {
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

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

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1050;
            display: flex;
            justify-content: center;
            padding: 0 24px;
            pointer-events: none;
        }
        .site-header .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1100px;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            padding: 10px 28px;
            border-radius: var(--radius-xl);
            box-shadow: 0 8px 40px rgba(15, 15, 26, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .site-header .nav-dock .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .site-header .nav-dock .logo span {
            color: var(--secondary);
            font-weight: 800;
        }
        .site-header .nav-dock .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-header .nav-dock .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            position: relative;
        }
        .site-header .nav-dock .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .site-header .nav-dock .nav-links a.active {
            color: #fff;
            background: var(--secondary);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
        }
        .site-header .nav-dock .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-header .nav-dock .search-wrap {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 6px 16px;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .site-header .nav-dock .search-wrap:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--accent);
        }
        .site-header .nav-dock .search-wrap i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        .site-header .nav-dock .search-wrap input {
            background: transparent;
            border: none;
            color: #fff;
            width: 100px;
            font-size: 0.88rem;
            padding: 2px 0;
        }
        .site-header .nav-dock .search-wrap input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .site-header .nav-dock .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: none;
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
        }
        .site-header .nav-dock .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        /* ===== Hero / 分类 Banner ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            transform: scale(1.05);
            transition: transform 0.6s ease;
        }
        .category-hero:hover .hero-bg {
            transform: scale(1.0);
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(26, 26, 46, 0.70) 100%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero .hero-content .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 40px;
            background: rgba(255, 107, 53, 0.18);
            color: var(--secondary);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255, 107, 53, 0.25);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .category-hero .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .category-hero .hero-content h1 span {
            color: var(--secondary);
        }
        .category-hero .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            display: block;
            letter-spacing: -0.5px;
        }
        .category-hero .hero-stats .stat-item .num small {
            font-size: 1rem;
            color: var(--accent);
            font-weight: 600;
        }
        .category-hero .hero-stats .stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title .sub-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: rgba(255, 107, 53, 0.10);
            color: var(--secondary);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
            border: 1px solid rgba(255, 107, 53, 0.15);
        }
        .section-title h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-title h2 span {
            color: var(--secondary);
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== 分类标签筛选 ===== */
        .filter-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 0.88rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .filter-tabs .filter-btn.active {
            background: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.30);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card-game {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card-game:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-game .card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .card-game .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-game:hover .card-img img {
            transform: scale(1.06);
        }
        .card-game .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 107, 53, 0.92);
            color: #fff;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .card-game .card-img .card-tag.hot {
            background: rgba(255, 45, 45, 0.88);
        }
        .card-game .card-img .card-tag.new {
            background: rgba(0, 212, 255, 0.88);
        }
        .card-game .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-game .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .card-game .card-body .card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }
        .card-game .card-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .card-game:hover .card-body h3 {
            color: var(--secondary);
        }
        .card-game .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-game .card-body .card-footer-info {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .card-game .card-body .card-footer-info .rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: #f5a623;
            font-size: 0.82rem;
            font-weight: 600;
        }
        .card-game .card-body .card-footer-info .rating i {
            font-size: 0.7rem;
        }
        .card-game .card-body .card-footer-info .read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .card-game .card-body .card-footer-info .read-more i {
            font-size: 0.7rem;
            transition: var(--transition);
        }
        .card-game .card-body .card-footer-info .read-more:hover {
            gap: 8px;
        }

        /* ===== 热门排行 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            cursor: default;
        }
        .rank-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }
        .rank-item .rank-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-light);
            min-width: 48px;
            text-align: center;
            line-height: 1;
            font-feature-settings: "tnum";
        }
        .rank-item:nth-child(1) .rank-num {
            color: var(--secondary);
        }
        .rank-item:nth-child(2) .rank-num {
            color: var(--accent);
        }
        .rank-item:nth-child(3) .rank-num {
            color: #f5a623;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-item .rank-info span {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .rank-item .rank-stat {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .rank-item .rank-stat i {
            color: var(--secondary);
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-q i {
            color: var(--text-light);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-item .faq-a {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 0 solid var(--border-light);
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 16px 24px 22px;
            border-top-width: 1px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section .cta-content h2 span {
            color: var(--secondary);
        }
        .cta-section .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 520px;
            margin: 0 auto;
        }
        .cta-section .cta-form input {
            padding: 14px 22px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.95rem;
            flex: 1;
            min-width: 220px;
            transition: var(--transition);
        }
        .cta-section .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .cta-section .cta-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.10);
        }
        .cta-section .cta-form .btn-cta {
            padding: 14px 36px;
            border-radius: 40px;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.30);
        }
        .cta-section .cta-form .btn-cta:hover {
            background: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 107, 53, 0.40);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-grid .footer-brand .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 16px;
        }
        .site-footer .footer-grid .footer-brand .logo span {
            color: var(--secondary);
        }
        .site-footer .footer-grid .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer .footer-grid h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-grid a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer .footer-grid a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .site-footer .footer-grid a i {
            margin-right: 8px;
            width: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.3);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero .hero-content h1 {
                font-size: 2.6rem;
            }
            .section-title h2 {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 16px;
            }
            .site-header .nav-dock {
                padding: 8px 16px;
                border-radius: var(--radius-lg);
            }
            .site-header .nav-dock .nav-links {
                position: fixed;
                top: 76px;
                left: 16px;
                right: 16px;
                background: rgba(15, 15, 26, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                flex-direction: column;
                padding: 12px;
                gap: 4px;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
                border: 1px solid rgba(255, 255, 255, 0.06);
                opacity: 0;
                pointer-events: none;
                transform: translateY(-12px);
                transition: var(--transition);
                z-index: 1040;
            }
            .site-header .nav-dock .nav-links.open {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }
            .site-header .nav-dock .nav-links a {
                padding: 12px 20px;
                font-size: 1rem;
                width: 100%;
                text-align: center;
                border-radius: 30px;
            }
            .site-header .nav-dock .nav-cta .search-wrap {
                display: none;
            }
            .site-header .nav-dock .nav-toggle {
                display: flex;
            }
            .category-hero {
                min-height: 340px;
                padding: 120px 20px 60px;
            }
            .category-hero .hero-content h1 {
                font-size: 2rem;
            }
            .category-hero .hero-content p {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stats .stat-item .num {
                font-size: 1.5rem;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 20px;
            }
            .rank-item {
                padding: 14px 18px;
                gap: 14px;
                flex-wrap: wrap;
            }
            .rank-item .rank-num {
                font-size: 1.4rem;
                min-width: 36px;
            }
            .cta-section .cta-content {
                padding: 56px 20px;
            }
            .cta-section .cta-content h2 {
                font-size: 1.8rem;
            }
            .cta-section .cta-form input {
                min-width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .category-hero .hero-content h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats .stat-item .num {
                font-size: 1.3rem;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .filter-tabs .filter-btn {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .faq-item .faq-q {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-a {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-a {
                padding: 12px 18px 18px;
            }
            .cta-section .cta-content h2 {
                font-size: 1.4rem;
            }
            .site-header .nav-dock .logo {
                font-size: 1.2rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-secondary-custom {
            color: var(--secondary) !important;
        }
        .bg-secondary-custom {
            background: var(--secondary) !important;
        }
        .gap-2 {
            gap: 8px;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }