/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #FF6B35;
            --color-primary-dark: #E55A2B;
            --color-primary-light: #FF8C5A;
            --color-secondary: #1A1A2E;
            --color-secondary-light: #2D2D44;
            --color-accent: #E94560;
            --color-accent-light: #F06A7A;
            --color-bg: #F8F9FA;
            --color-bg-alt: #FFFFFF;
            --color-bg-dark: #0F0F1A;
            --color-text: #2D3436;
            --color-text-light: #636E72;
            --color-text-inverse: #FFFFFF;
            --color-border: #E8E8EC;
            --color-border-light: #F0F0F5;
            --color-success: #00B894;
            --color-warning: #FDCB6E;
            --color-star: #FFD700;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.14);
            --shadow-xl: 0 24px 64px rgba(26, 26, 46, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-secondary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        .container-narrow {
            max-width: 900px;
        }
        .container-wide {
            max-width: 1400px;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            background: var(--color-secondary);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 3px solid var(--color-primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .site-header .navbar {
            padding: 0.6rem 0;
        }
        .site-header .navbar-brand {
            color: var(--color-text-inverse);
            font-weight: 800;
            font-size: 1.6rem;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0;
        }
        .site-header .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .site-header .navbar-brand:hover {
            color: var(--color-primary-light);
        }
        .site-header .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .site-header .navbar-nav .nav-link:hover,
        .site-header .navbar-nav .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .site-header .navbar-nav .nav-link.active {
            color: #fff;
            background: var(--color-primary);
        }
        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--color-primary-light);
            border-radius: var(--radius-full);
        }
        .site-header .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff !important;
            font-weight: 700;
            padding: 0.5rem 1.6rem !important;
            border-radius: var(--radius-full) !important;
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.35);
            transition: var(--transition);
        }
        .site-header .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.45);
        }
        .site-header .navbar-toggler {
            border: 2px solid rgba(255, 255, 255, 0.25);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }
        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--color-bg-dark);
            overflow: hidden;
            padding: 6rem 0;
        }
        .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: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.08);
            }
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(15, 15, 26, 0.80) 50%, rgba(233, 69, 96, 0.30) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            padding: 0 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.20);
            border: 1px solid rgba(255, 107, 53, 0.40);
            color: var(--color-primary-light);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.4rem 1.4rem;
            border-radius: var(--radius-full);
            margin-bottom: 1.5rem;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
        }
        .hero-content h1 {
            font-size: 3.8rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -1px;
            line-height: 1.15;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.30);
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 680px;
            margin: 0 auto 2.2rem;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }
        .hero-actions .btn {
            padding: 0.85rem 2.5rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            transition: var(--transition);
        }
        .hero-actions .btn-primary-custom {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            border: none;
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.40);
        }
        .hero-actions .btn-primary-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(233, 69, 96, 0.55);
        }
        .hero-actions .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.40);
            backdrop-filter: blur(4px);
        }
        .hero-actions .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--color-primary-light);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 3.5rem;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-stats .stat-number .suffix {
            font-size: 1.2rem;
            color: var(--color-primary-light);
        }
        .hero-stats .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            font-weight: 400;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        .section-header h2 .highlight {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-full);
            margin: 1rem auto 1.5rem;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .feature-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }
        .feature-card .icon-wrapper {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(233, 69, 96, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
            color: var(--color-primary);
            transition: var(--transition);
        }
        .feature-card:hover .icon-wrapper {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: var(--color-bg-dark);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary);
        }
        .category-card .cat-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.30;
            transition: var(--transition-slow);
        }
        .category-card:hover .cat-bg {
            opacity: 0.45;
            transform: scale(1.05);
        }
        .category-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 15, 26, 0.92) 0%, rgba(15, 15, 26, 0.30) 60%, transparent 100%);
            z-index: 1;
        }
        .category-card .cat-content {
            position: relative;
            z-index: 2;
            padding: 2.5rem 2rem;
            width: 100%;
        }
        .category-card .cat-content .cat-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.2rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: 0.8rem;
            letter-spacing: 0.3px;
        }
        .category-card .cat-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .category-card .cat-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 1.2rem;
            max-width: 360px;
        }
        .category-card .cat-content .btn-cat {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 0.5rem 1.8rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
            backdrop-filter: blur(4px);
        }
        .category-card .cat-content .btn-cat:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            transform: translateX(4px);
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .news-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 0.6rem;
            font-size: 0.82rem;
            color: var(--color-text-light);
        }
        .news-item .news-meta .cat-tag {
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-primary);
            padding: 0.15rem 0.8rem;
            border-radius: var(--radius-full);
            font-weight: 600;
        }
        .news-item .news-meta .news-date {
            color: var(--color-text-light);
        }
        .news-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .news-item h3 a {
            color: var(--color-secondary);
        }
        .news-item h3 a:hover {
            color: var(--color-primary);
        }
        .news-item p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            flex: 1;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 2rem;
            color: var(--color-text-light);
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }
        .news-empty i {
            font-size: 2.5rem;
            color: var(--color-border);
            margin-bottom: 1rem;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stats-grid .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 2.5rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .stats-grid .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }
        .stats-grid .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--color-primary-light);
            margin-bottom: 0.8rem;
        }
        .stats-grid .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .stats-grid .stat-card .stat-number .suffix {
            font-size: 1.4rem;
            color: var(--color-primary-light);
        }
        .stats-grid .stat-card .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.60);
            margin-top: 0.3rem;
        }

        /* ===== 热门推荐 ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .hot-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .hot-card .hot-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hot-card .hot-img .hot-badge {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.2rem 0.9rem;
            border-radius: var(--radius-full);
        }
        .hot-card .hot-body {
            padding: 1.2rem 1.2rem 1.5rem;
        }
        .hot-card .hot-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .hot-card .hot-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 0.6rem;
        }
        .hot-card .hot-body .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .hot-card .hot-body .hot-tags .tag {
            background: rgba(255, 107, 53, 0.08);
            color: var(--color-primary);
            font-size: 0.72rem;
            padding: 0.15rem 0.7rem;
            border-radius: var(--radius-full);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 1.3rem 1.8rem;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--color-primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question[aria-expanded="true"]::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-item .faq-answer {
            padding: 0 1.8rem 1.3rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-bg-dark));
            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;
            padding: 1rem 0;
        }
        .cta-content h2 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.70);
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-content .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 1rem 3rem;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.40);
            transition: var(--transition);
            border: none;
        }
        .cta-content .btn-cta:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 12px 45px rgba(233, 69, 96, 0.55);
        }
        .cta-content .btn-cta i {
            margin-left: 0.5rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.70);
            padding: 3.5rem 0 2rem;
            border-top: 3px solid var(--color-primary);
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
            line-height: 1.7;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
        }
        .site-footer .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-primary-light);
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.8rem;
            }
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
            .section-header h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                padding: 4rem 0;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stats .stat-number {
                font-size: 1.8rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .category-card {
                min-height: 240px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stats-grid .stat-card .stat-number {
                font-size: 2rem;
            }
            .hot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .site-header .navbar-brand {
                font-size: 1.3rem;
            }
            .site-header .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .faq-item .faq-question {
                font-size: 0.95rem;
                padding: 1rem 1.4rem;
            }
            .faq-item .faq-answer {
                padding: 0 1.4rem 1rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content p {
                font-size: 0.92rem;
            }
            .hero-actions .btn {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stats-grid .stat-card {
                padding: 1.5rem 1rem;
            }
            .stats-grid .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hot-card .hot-img {
                height: 160px;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .cta-content .btn-cta {
                padding: 0.8rem 2rem;
                font-size: 1rem;
                width: 100%;
            }
            .site-footer .footer-brand {
                font-size: 1.1rem;
            }
            .site-footer .row>div {
                margin-bottom: 1.5rem;
            }
            .site-header .navbar-nav .nav-link {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-primary-custom {
            color: var(--color-primary) !important;
        }
        .text-accent-custom {
            color: var(--color-accent) !important;
        }
        .bg-primary-gradient {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
        }
        .no-gap {
            gap: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #f1948a;
            --secondary: #f39c12;
            --secondary-dark: #d68910;
            --accent: #2ecc71;
            --bg-dark: #0f0f1a;
            --bg-darker: #0a0a14;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-section: #12121f;
            --text-light: #f1f1f1;
            --text-muted: #a0a0b8;
            --text-soft: #c8c8e0;
            --border-color: #2a2a45;
            --border-light: #3a3a55;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(231, 76, 60, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1260px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary);
            outline: none;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
            transition: background var(--transition);
        }

        .site-header .navbar {
            padding-top: 0;
            padding-bottom: 0;
            height: 100%;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.5px;
            padding: 0;
            transition: color var(--transition);
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
        }
        .site-header .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 0 20px rgba(231, 76, 60, 0.3);
        }

        .site-header .navbar-nav .nav-link {
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .site-header .navbar-nav .nav-link:hover,
        .site-header .navbar-nav .nav-link:focus-visible {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .site-header .navbar-nav .nav-link.active {
            color: #fff;
            background: rgba(231, 76, 60, 0.2);
        }
        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .site-header .navbar-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: var(--radius-md);
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(231, 76, 60, 0.3);
            transition: all var(--transition);
        }
        .site-header .navbar-nav .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(231, 76, 60, 0.45);
            background: linear-gradient(135deg, var(--primary-dark), #a93226);
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--primary);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23f1f1f1' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, #1a0f0f 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(231, 76, 60, 0.15), transparent 70%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(231, 76, 60, 0.2);
            border: 1px solid rgba(231, 76, 60, 0.3);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-soft);
            max-width: 680px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }
        .category-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin-bottom: 24px;
        }
        .bg-section-alt {
            background: var(--bg-section);
        }
        .bg-darker {
            background: var(--bg-darker);
        }

        /* ===== 卡片 ===== */
        .card-guide {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-guide:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .card-guide .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-darker);
        }
        .card-guide .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-guide:hover .card-img img {
            transform: scale(1.06);
        }
        .card-guide .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(231, 76, 60, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .card-guide .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-guide .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.45;
            color: #fff;
            transition: color var(--transition);
        }
        .card-guide:hover .card-body h3 {
            color: var(--primary-light);
        }
        .card-guide .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-guide .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-soft);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-guide .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-guide .card-meta i {
            color: var(--primary-light);
            font-size: 0.8rem;
        }

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-soft);
            transition: all var(--transition);
            cursor: default;
        }
        .tag-item:hover {
            background: rgba(231, 76, 60, 0.15);
            border-color: rgba(231, 76, 60, 0.3);
            color: var(--primary-light);
        }
        .tag-item.active-tag {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== 排行列表 ===== */
        .rank-list {
            counter-reset: rank;
        }
        .rank-item {
            counter-increment: rank;
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: all var(--transition);
        }
        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateX(4px);
        }
        .rank-item .rank-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(231, 76, 60, 0.15);
            color: var(--primary-light);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-number {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 20px rgba(231, 76, 60, 0.3);
        }
        .rank-item:nth-child(2) .rank-number {
            background: rgba(243, 156, 18, 0.2);
            color: var(--secondary);
        }
        .rank-item:nth-child(3) .rank-number {
            background: rgba(46, 204, 113, 0.2);
            color: var(--accent);
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-info span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .rank-item .rank-views {
            font-size: 0.85rem;
            color: var(--text-soft);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .rank-item .rank-views i {
            color: var(--primary-light);
        }

        /* ===== 专题卡片 ===== */
        .feature-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .feature-card .feature-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-darker);
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-card:hover .feature-img img {
            transform: scale(1.05);
        }
        .feature-card .feature-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card .feature-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card .feature-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .feature-card .feature-body .feature-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .feature-card .feature-body .feature-link:hover {
            gap: 12px;
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .faq-item .faq-q {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .faq-item .faq-a {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.8;
            padding-left: 28px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-darker), #1a0f0f, var(--bg-dark));
            overflow: hidden;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-soft);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-section .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-section .btn-cta-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 6px 24px rgba(231, 76, 60, 0.3);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(231, 76, 60, 0.45);
            background: linear-gradient(135deg, var(--primary-dark), #a93226);
        }
        .cta-section .btn-cta-secondary {
            background: transparent;
            color: var(--text-soft);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta-secondary:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(231, 76, 60, 0.08);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            :root {
                --header-height: 64px;
            }
            .category-hero {
                padding: 56px 0 50px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.4rem;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 30px;
            }
            .card-guide .card-body {
                padding: 16px 18px 18px;
            }
            .card-guide .card-body h3 {
                font-size: 1.05rem;
            }
            .rank-item {
                padding: 12px 16px;
                gap: 14px;
            }
            .rank-item .rank-info h4 {
                font-size: 0.92rem;
            }
            .feature-card .feature-body {
                padding: 16px 18px 20px;
            }
            .faq-item {
                padding: 18px 20px;
            }
            .faq-item .faq-q {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta-primary,
            .cta-section .btn-cta-secondary {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
            .site-header .navbar-brand {
                font-size: 1.15rem;
            }
            .site-header .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .navbar-nav .nav-link {
                padding: 8px 14px !important;
                font-size: 0.9rem !important;
            }
            .navbar-nav .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .tag-item {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .rank-item .rank-views {
                font-size: 0.78rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-primary-light {
            color: var(--primary-light);
        }
        .gap-1 {
            gap: 4px;
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 4px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mb-5 {
            margin-bottom: 40px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .w-100 {
            width: 100%;
        }

/* roulang page: article */
/* ===== CSS Design Variables ===== */
        :root {
            --color-primary: #e74c3c;
            --color-primary-dark: #c0392b;
            --color-primary-light: #f5b7b1;
            --color-secondary: #f39c12;
            --color-secondary-dark: #d68910;
            --color-accent: #8e44ad;
            --color-bg: #0f0f1a;
            --color-bg-alt: #1a1a2e;
            --color-bg-card: #16213e;
            --color-bg-card-hover: #1a2744;
            --color-text: #e8e8e8;
            --color-text-light: #a0a0b8;
            --color-text-muted: #6c6c8a;
            --color-border: #2a2a4a;
            --color-border-light: #3a3a5a;
            --color-success: #2ecc71;
            --color-info: #3498db;
            --color-warning: #f1c40f;
            --color-danger: #e74c3c;
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --border-radius-sm: 8px;
            --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 30px rgba(231, 76, 60, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            margin-left: auto;
            margin-right: auto;
            width: 100%;
        }

        /* ===== Typography ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            background: rgba(15, 15, 26, 0.98);
        }

        .navbar {
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff !important;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }
        .navbar-brand:hover {
            color: var(--color-secondary) !important;
            transform: scale(1.02);
        }
        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--border-radius-sm);
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
        }

        .navbar-nav .nav-link {
            color: var(--color-text-light) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-nav .nav-link.active {
            color: var(--color-secondary) !important;
            background: rgba(243, 156, 18, 0.1);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-secondary);
            border-radius: 4px;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
            color: #fff !important;
            padding: 0.5rem 1.5rem !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
            transition: var(--transition) !important;
            border: none;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 8px 25px rgba(231, 76, 60, 0.45) !important;
            color: #fff !important;
            background: linear-gradient(135deg, var(--color-primary-dark), #a93226) !important;
        }

        .navbar-toggler {
            border: 1px solid var(--color-border);
            padding: 0.5rem 0.75rem;
            border-radius: var(--border-radius-sm);
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(232,232,232,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.3);
        }

        /* ===== Article Hero / Banner ===== */
        .article-hero {
            padding-top: 120px;
            padding-bottom: 3rem;
            background: linear-gradient(160deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(243, 156, 18, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }
        .article-hero .breadcrumb-custom a {
            color: var(--color-text-light);
            transition: var(--transition);
        }
        .article-hero .breadcrumb-custom a:hover {
            color: var(--color-secondary);
        }
        .article-hero .breadcrumb-custom .sep {
            color: var(--color-text-muted);
        }
        .article-hero .breadcrumb-custom .current {
            color: var(--color-secondary);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1.25rem;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .article-hero .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
            color: var(--color-text-light);
            font-size: 0.95rem;
        }
        .article-hero .meta-bar .badge-category {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: 50px;
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-hero .meta-bar .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .article-hero .meta-bar .meta-item i {
            color: var(--color-secondary);
        }

        /* ===== Article Main Content ===== */
        .article-main {
            padding: 4rem 0 5rem;
            background: var(--color-bg);
        }
        .article-content-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body {
            background: var(--color-bg-card);
            border-radius: var(--border-radius-lg);
            padding: 3rem;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text);
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            color: #fff;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #fff;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.5rem;
            color: var(--color-text);
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body img {
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-md);
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(231, 76, 60, 0.05);
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
        }
        .article-body .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--color-border);
        }
        .article-body .tag-list .tag {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-light);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: var(--transition);
        }
        .article-body .tag-list .tag:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* ===== Article Not Found ===== */
        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--color-bg-card);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--color-border);
        }
        .article-not-found .nf-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }
        .article-not-found p {
            color: var(--color-text-light);
            margin-bottom: 2rem;
        }
        .article-not-found .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .article-not-found .btn-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
            color: #fff;
        }

        /* ===== Related Articles Section ===== */
        .related-section {
            padding: 4rem 0 5rem;
            background: var(--color-bg-alt);
        }
        .related-section .section-title {
            font-size: 1.8rem;
        }
        .related-card {
            background: var(--color-bg-card);
            border-radius: var(--border-radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--color-bg-alt);
        }
        .related-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .related-card .card-body .cat-tag {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            background: rgba(231, 76, 60, 0.15);
            color: var(--color-primary-light);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
        }
        .related-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .related-card .card-body h4 a {
            color: #fff;
        }
        .related-card .card-body h4 a:hover {
            color: var(--color-secondary);
        }
        .related-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .related-card .card-body .card-meta i {
            color: var(--color-secondary);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(160deg, #1a1a2e 0%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-box {
            background: var(--color-bg-card);
            border-radius: var(--border-radius-lg);
            padding: 3.5rem;
            border: 1px solid var(--color-border);
            text-align: center;
            box-shadow: var(--shadow-lg);
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-box p {
            color: var(--color-text-light);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2.5rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
        }
        .cta-box .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(231, 76, 60, 0.45);
            color: #fff;
        }
        .cta-box .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            background: transparent;
            color: var(--color-text-light);
            border: 1px solid var(--color-border-light);
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            margin-left: 1rem;
        }
        .cta-box .btn-cta-secondary:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            background: rgba(243, 156, 18, 0.05);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0a14;
            border-top: 1px solid var(--color-border);
            padding: 4rem 0 2rem;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--border-radius-sm);
            font-size: 1.2rem;
            color: #fff;
        }
        .site-footer .footer-desc {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .site-footer .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-secondary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--color-border);
            text-align: center;
        }
        .site-footer .footer-bottom p {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-border-light);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 2rem;
            }
            .cta-box {
                padding: 2.5rem 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }
            .site-header .navbar {
                padding-top: 0.5rem;
                padding-bottom: 0.5rem;
            }
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .article-hero {
                padding-top: 100px;
                padding-bottom: 2rem;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .meta-bar {
                gap: 1rem;
                font-size: 0.85rem;
                flex-wrap: wrap;
            }
            .article-main {
                padding: 2rem 0 3rem;
            }
            .article-body {
                padding: 1.5rem;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .cta-box {
                padding: 2rem 1.5rem;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box .btn-cta-secondary {
                margin-left: 0;
                margin-top: 0.75rem;
            }
            .related-card .card-img {
                height: 140px;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
            .site-footer {
                padding: 3rem 0 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 1.25rem;
                border-radius: var(--border-radius);
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .cta-box .btn-cta-primary {
                padding: 0.75rem 1.5rem;
                font-size: 1rem;
            }
            .cta-box .btn-cta-secondary {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
            .related-card .card-body {
                padding: 1rem 1.25rem 1.25rem;
            }
            .related-card .card-body h4 {
                font-size: 1rem;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 0.4rem 1rem !important;
                font-size: 0.85rem !important;
            }
            .site-footer .footer-desc {
                font-size: 0.85rem;
            }
            .site-footer .footer-links a {
                font-size: 0.85rem;
            }
        }

        /* ===== Print ===== */
        @media print {
            .site-header,
            .cta-section,
            .site-footer,
            .related-section {
                display: none !important;
            }
            .article-hero {
                padding-top: 1rem;
                background: #fff;
            }
            .article-hero h1 {
                color: #000;
            }
            .article-body {
                box-shadow: none;
                border: 1px solid #ddd;
                background: #fff;
            }
            .article-body p,
            .article-body li {
                color: #333;
            }
            .article-body h2,
            .article-body h3 {
                color: #000;
            }
            body {
                background: #fff;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #E55A2B;
            --primary-light: #FF8A5C;
            --secondary: #FFD700;
            --secondary-dark: #E6C200;
            --accent: #FF4757;
            --dark: #1a1a2e;
            --darker: #16213e;
            --darkest: #0f0f1a;
            --light: #f8f9fa;
            --light-muted: #e9ecef;
            --text: #e8e8e8;
            --text-body: #c8cdd8;
            --text-muted: #8a8fa0;
            --border: rgba(255, 107, 53, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.15);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-pad: 1.5rem;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            background: var(--darkest);
            color: var(--text-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 0.6rem 0;
        }
        .site-header .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .site-header .navbar-brand:hover {
            color: var(--primary);
            transform: scale(1.02);
        }
        .site-header .brand-icon {
            color: var(--primary);
            font-size: 1.6rem;
            line-height: 1;
            filter: drop-shadow(0 0 6px rgba(255, 107, 53, 0.3));
        }
        .site-header .navbar-nav .nav-item {
            margin: 0 0.1rem;
        }
        .site-header .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            font-size: 0.95rem;
        }
        .site-header .navbar-nav .nav-link:hover,
        .site-header .navbar-nav .nav-link:focus {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(255, 107, 53, 0.1);
        }
        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .site-header .navbar-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 0.5rem 1.4rem !important;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
            border: none;
        }
        .site-header .navbar-nav .nav-cta-btn:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero 板块 ===== */
        .hero-section {
            position: relative;
            padding: 7rem 0 5.5rem;
            background: var(--darkest);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            transform: scale(1.05);
            filter: blur(2px);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(22, 33, 62, 0.7) 50%, rgba(15, 15, 26, 0.88) 100%);
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid rgba(255, 107, 53, 0.25);
            padding: 0.35rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }
        .hero-title span {
            color: var(--primary);
            text-shadow: 0 0 30px rgba(255, 107, 53, 0.2);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .hero-actions .btn {
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .hero-actions .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
        }
        .hero-actions .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(255, 107, 53, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .hero-actions .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text);
            background: transparent;
        }
        .hero-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.15rem;
        }

        /* ===== 通用板块标题 ===== */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title-wrap .sub-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            background: rgba(255, 107, 53, 0.1);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            margin-bottom: 0.8rem;
            border: 1px solid rgba(255, 107, 53, 0.15);
        }
        .section-title-wrap h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
        }
        .section-title-wrap p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title-wrap.text-start {
            text-align: left !important;
        }
        .section-title-wrap.text-start p {
            margin: 0;
        }

        /* ===== 活动分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 2.5rem;
        }
        .filter-tabs .filter-btn {
            padding: 0.4rem 1.3rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.06);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            background: rgba(255, 107, 53, 0.08);
            color: var(--text);
            border-color: rgba(255, 107, 53, 0.2);
        }
        .filter-tabs .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
        }

        /* ===== 活动卡片 ===== */
        .event-card {
            background: var(--darker);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 107, 53, 0.2);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .event-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--dark);
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .event-card .card-img-wrap .event-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.25rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .event-card .card-img-wrap .event-tag.hot {
            background: var(--accent);
        }
        .event-card .card-img-wrap .event-tag.soon {
            background: var(--secondary);
            color: var(--darkest);
        }
        .event-card .card-img-wrap .event-tag.ended {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-muted);
        }
        .event-card .card-body {
            padding: 1.4rem 1.4rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .event-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .event-card .card-body .event-date i {
            color: var(--primary);
        }
        .event-card .card-body h5 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        .event-card .card-body .card-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .event-card .card-body .card-footer-row .btn-sm {
            padding: 0.35rem 1.2rem;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            transition: var(--transition);
        }
        .event-card .card-body .card-footer-row .btn-sm:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }
        .event-card .card-body .card-footer-row .badge {
            font-size: 0.75rem;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: 500;
        }

        /* ===== 流程步骤 ===== */
        .steps-section {
            background: var(--dark);
        }
        .step-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--darker);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            transition: var(--transition);
            height: 100%;
        }
        .step-card:hover {
            border-color: rgba(255, 107, 53, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.15), rgba(255, 215, 0, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            border: 1px solid rgba(255, 107, 53, 0.15);
            transition: var(--transition);
        }
        .step-card:hover .step-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
        }
        .step-card .step-num {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(255, 107, 53, 0.1);
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
            letter-spacing: 1px;
        }
        .step-card h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            position: relative;
            background: var(--darkest);
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.06;
            transform: scale(1.02);
        }
        .stats-section .container {
            position: relative;
            z-index: 1;
        }
        .stat-block {
            text-align: center;
            padding: 2rem 1rem;
        }
        .stat-block .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
            opacity: 0.8;
        }
        .stat-block .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-block .stat-number .suffix {
            font-size: 1.6rem;
            color: var(--primary);
            font-weight: 600;
        }
        .stat-block .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark);
        }
        .faq-accordion .accordion-item {
            background: var(--darker);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--darker);
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            background: rgba(255, 107, 53, 0.04);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 107, 53, 0.06);
            color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='rgba(255,255,255,0.5)'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='rgba(255,107,53,0.8)'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-body {
            padding: 0.2rem 1.4rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 5rem 0;
            background: var(--darkest);
            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;
            transform: scale(1.02);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(255, 215, 0, 0.04));
            border: 1px solid rgba(255, 107, 53, 0.15);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .cta-box h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.8rem;
        }
        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 1.8rem;
        }
        .cta-box .btn {
            padding: 0.8rem 2.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
        }
        .cta-box .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 107, 53, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darkest);
            border-top: 1px solid var(--border-light);
            padding: 3.5rem 0 0;
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .site-footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer h5 {
            color: var(--text);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            margin-top: 2.5rem;
            padding: 1.2rem 0;
            border-top: 1px solid var(--border-light);
            text-align: center;
        }
        .site-footer .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .section-title-wrap h2 {
                font-size: 2rem;
            }
            .stat-block .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 4.5rem 0 3.5rem;
                min-height: auto;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .section-title-wrap h2 {
                font-size: 1.7rem;
            }
            .filter-tabs {
                gap: 0.4rem;
            }
            .filter-tabs .filter-btn {
                font-size: 0.8rem;
                padding: 0.3rem 1rem;
            }
            .stat-block .stat-number {
                font-size: 1.8rem;
            }
            .cta-box {
                padding: 2.5rem 1.5rem;
            }
            .cta-box h3 {
                font-size: 1.5rem;
            }
            .site-header .navbar-nav .nav-link.active::after {
                display: none;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
            .steps-section .step-card {
                padding: 1.5rem 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                text-align: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .section-title-wrap h2 {
                font-size: 1.4rem;
            }
            .event-card .card-body {
                padding: 1rem;
            }
            .event-card .card-body h5 {
                font-size: 1rem;
            }
            .stat-block {
                padding: 1.2rem 0.5rem;
            }
            .stat-block .stat-number {
                font-size: 1.6rem;
            }
            .cta-box h3 {
                font-size: 1.3rem;
            }
            .cta-box .btn {
                width: 100%;
            }
            .filter-tabs .filter-btn {
                font-size: 0.75rem;
                padding: 0.25rem 0.8rem;
            }
        }

        /* ===== 辅助 ===== */
        .section-padding {
            padding: 4.5rem 0;
        }
        .bg-dark-section {
            background: var(--dark);
        }
        .bg-darker-section {
            background: var(--darker);
        }
        .gap-1 {
            gap: 0.25rem;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .gap-3 {
            gap: 1rem;
        }
        .text-primary-custom {
            color: var(--primary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .fw-600 {
            font-weight: 600;
        }
        @media (min-width: 992px) {
            .site-header .navbar-nav .nav-link {
                padding: 0.5rem 1.1rem;
            }
        }