/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b0f24;
            --primary-light: #151b3a;
            --secondary: #6c3bff;
            --secondary-light: #8b5cf6;
            --accent: #f0b830;
            --accent-light: #f5cd6a;
            --blue-accent: #3b82f6;
            --blue-light: #60a5fa;
            --text-main: #f0f0f5;
            --text-secondary: #a0a8c0;
            --text-muted: #6b7280;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border-color: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(108, 59, 255, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --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 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 59, 255, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1280px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--primary);
            overflow-x: hidden;
        }
        a {
            color: var(--blue-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--blue-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(11, 15, 36, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            text-decoration: none;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--text-main);
        }
        .nav-content {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-main);
            background: var(--bg-card);
        }
        .nav-links a.active {
            color: var(--text-main);
            background: rgba(108, 59, 255, 0.15);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0 16px;
            height: 40px;
            transition: all var(--transition);
            max-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(108, 59, 255, 0.15);
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            padding: 8px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .btn-nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            border: none;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(108, 59, 255, 0.35);
            color: #fff;
        }
        .btn-nav-cta i {
            font-size: 13px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
        }

        /* ===== 移动端导航折叠 ===== */
        @media (max-width: 1024px) {
            .nav-content {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(11, 15, 36, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: flex-start;
                padding: 24px 32px;
                gap: 24px;
                transform: translateX(100%);
                transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 1040;
                overflow-y: auto;
            }
            .nav-content.open {
                transform: translateX(0);
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 20px;
                font-size: 17px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-actions {
                width: 100%;
                flex-direction: column;
                gap: 12px;
            }
            .nav-search {
                max-width: 100%;
                width: 100%;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 480px) {
            .site-logo {
                font-size: 18px;
            }
            .site-logo i {
                font-size: 20px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--header-height) + 40px) 0 60px;
            background: var(--primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 36, 0.70) 0%, rgba(11, 15, 36, 0.88) 100%);
            z-index: 1;
        }
        .hero-overlay-gradient {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(108, 59, 255, 0.12) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 59, 255, 0.15);
            border: 1px solid rgba(108, 59, 255, 0.25);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 14px;
            color: var(--secondary-light);
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero-title {
            font-size: clamp(36px, 6vw, 72px);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--accent), var(--secondary-light), var(--blue-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            border: none;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 17px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 59, 255, 0.4);
            color: #fff;
        }
        .btn-hero-secondary {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 17px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-secondary:hover {
            background: var(--bg-card);
            border-color: var(--text-secondary);
            color: var(--text-main);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
        }
        .hero-stat-num span {
            color: var(--accent);
        }
        .hero-stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--primary-light);
        }
        .section-block-dark {
            background: rgba(0, 0, 0, 0.2);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-label i {
            font-size: 12px;
        }
        .section-title {
            font-size: clamp(28px, 3.6vw, 42px);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-desc-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .section-desc {
                margin-bottom: 28px;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            background: rgba(108, 59, 255, 0.12);
            color: var(--secondary-light);
        }
        .card-custom .card-icon.gold {
            background: rgba(240, 184, 48, 0.12);
            color: var(--accent);
        }
        .card-custom .card-icon.blue {
            background: rgba(59, 130, 246, 0.12);
            color: var(--blue-accent);
        }
        .card-custom h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .card-custom p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--secondary-light);
            margin-top: 16px;
            transition: gap var(--transition);
        }
        .card-custom .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* ===== 分类卡片 ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: var(--primary-light);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border-accent);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 15, 36, 0.92) 0%, rgba(11, 15, 36, 0.30) 60%, transparent 100%);
            z-index: 1;
        }
        .category-card .cat-content {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
        }
        .category-card .cat-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(108, 59, 255, 0.25);
            color: var(--secondary-light);
            border: 1px solid rgba(108, 59, 255, 0.2);
            margin-bottom: 10px;
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .category-card .cat-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 12px;
            transition: gap var(--transition);
        }
        .category-card:hover .cat-arrow {
            gap: 12px;
        }

        /* ===== 文章列表卡片 ===== */
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }
        .article-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .article-card .art-img {
            flex-shrink: 0;
            width: 180px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--primary-light);
        }
        .article-card .art-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .art-img img {
            transform: scale(1.05);
        }
        .article-card .art-body {
            flex: 1;
            min-width: 0;
        }
        .article-card .art-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 8px;
        }
        .article-card .art-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary-light);
            background: rgba(108, 59, 255, 0.1);
            padding: 2px 12px;
            border-radius: 50px;
        }
        .article-card .art-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .art-date i {
            font-size: 12px;
        }
        .article-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .article-card h3 a {
            color: var(--text-main);
            transition: color var(--transition);
        }
        .article-card h3 a:hover {
            color: var(--secondary-light);
        }
        .article-card .art-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .article-card {
                flex-direction: column;
            }
            .article-card .art-img {
                width: 100%;
                height: 200px;
            }
        }
        @media (max-width: 480px) {
            .article-card .art-img {
                height: 160px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .stat-item .stat-num {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .stat-item .stat-icon {
            font-size: 28px;
            color: var(--secondary-light);
            margin-bottom: 12px;
            opacity: 0.7;
        }
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-item .stat-num {
                font-size: 28px;
            }
        }

        /* ===== 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-4px);
        }
        .step-item .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(108, 59, 255, 0.3);
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .step-item .step-connector {
            display: none;
        }
        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: var(--bg-card-hover);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(108, 59, 255, 0.08), rgba(240, 184, 48, 0.06));
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 59, 255, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-cta {
            background: linear-gradient(135deg, var(--accent), #e6a020);
            color: var(--primary);
            border: none;
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 17px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-block .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(240, 184, 48, 0.35);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(0, 0, 0, 0.3);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .site-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 300px;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 15px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn-outline-custom {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: var(--bg-card);
            border-color: var(--text-secondary);
            color: var(--text-main);
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-row {
            gap: 24px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mt-5 {
            margin-top: 40px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mb-5 {
            margin-bottom: 40px;
        }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
        }
        .empty-state i {
            font-size: 40px;
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .empty-state p {
            font-size: 16px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-muted);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-secondary);
        }

        /* ===== Bootstrap 覆盖 ===== */
        .accordion-button:not(.collapsed) {
            background: transparent;
            box-shadow: none;
        }
        .accordion-item {
            background: transparent;
            border: none;
        }
        .btn-close {
            filter: invert(1);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3bff;
            --primary-dark: #5228d4;
            --primary-light: #8b6bff;
            --primary-gradient: linear-gradient(135deg, #6c3bff 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --bg-dark: #0f0b1a;
            --bg-darker: #0a0712;
            --bg-card: #1a1530;
            --bg-card-hover: #221d3a;
            --bg-section: #120e22;
            --bg-body: #0a0712;
            --text-primary: #f1f0f6;
            --text-secondary: #c4c0d4;
            --text-muted: #8b86a3;
            --text-dim: #5f5a7a;
            --border-color: rgba(108, 59, 255, 0.18);
            --border-light: rgba(108, 59, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(108, 59, 255, 0.08);
            --shadow-md: 0 6px 24px rgba(108, 59, 255, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 59, 255, 0.16);
            --shadow-glow: 0 0 40px rgba(108, 59, 255, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

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

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

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

        input:focus,
        button:focus,
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        ::selection {
            background: var(--primary);
            color: #fff;
        }

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(10, 7, 18, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary) !important;
            letter-spacing: -0.3px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .site-logo i {
            color: var(--secondary);
            font-size: 24px;
        }
        .site-logo:hover {
            color: var(--secondary) !important;
            transform: scale(1.02);
        }

        .nav-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 26px;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
            border-color: var(--primary);
        }

        .nav-content {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(108, 59, 255, 0.1);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 59, 255, 0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            gap: 10px;
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 59, 255, 0.15);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 15px;
        }
        .nav-search input {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 0;
            width: 100%;
            font-size: 14px;
        }
        .nav-search input::placeholder {
            color: var(--text-dim);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--primary-gradient);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(108, 59, 255, 0.25);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 59, 255, 0.35);
            color: #fff !important;
        }

        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-content {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 7, 18, 0.98);
                backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
            }
            .nav-content.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
            }
            .nav-actions {
                flex-direction: column;
                width: 100%;
                gap: 12px;
            }
            .nav-search {
                width: 100%;
                min-width: unset;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .site-logo span {
                font-size: 18px;
            }
            .site-logo i {
                font-size: 20px;
            }
            .nav-search {
                padding: 0 12px;
            }
            .nav-search input {
                font-size: 13px;
                padding: 7px 0;
            }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-darker);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            filter: blur(2px);
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 7, 18, 0.7) 0%, var(--bg-darker) 100%);
        }
        .article-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--secondary);
        }
        .article-breadcrumb .separator {
            color: var(--text-dim);
            font-size: 12px;
        }
        .article-breadcrumb .current {
            color: var(--text-secondary);
        }

        .article-banner-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            margin-bottom: 16px;
        }
        .article-banner-meta .badge-cat {
            display: inline-block;
            padding: 6px 18px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .article-banner-meta .date {
            color: var(--text-muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner-meta .date i {
            font-size: 14px;
        }

        .article-banner h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 16px;
            max-width: 860px;
            letter-spacing: -0.5px;
        }

        .article-banner .lead {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 60px 0 44px;
            }
            .article-banner h1 {
                font-size: 26px;
            }
            .article-banner .lead {
                font-size: 16px;
            }
            .article-breadcrumb {
                font-size: 13px;
            }
            .article-banner-meta {
                gap: 12px 16px;
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 22px;
            }
            .article-banner .lead {
                font-size: 15px;
            }
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-body);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

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

        .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            background: var(--bg-dark);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16/9;
        }

        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-primary);
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .article-body h2 {
            font-size: 26px;
        }
        .article-body h3 {
            font-size: 22px;
        }
        .article-body h4 {
            font-size: 19px;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--secondary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(108, 59, 255, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
            height: auto;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .article-body th {
            background: var(--bg-dark);
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body tr:last-child td {
            border-bottom: none;
        }
        .article-body code {
            background: var(--bg-dark);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--secondary);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 18px;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 59, 255, 0.08);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-share span {
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }
        .article-share a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
        }
        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: var(--secondary);
            font-size: 18px;
        }

        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            color: var(--text-secondary);
            font-size: 15px;
            transition: var(--transition);
        }
        .sidebar-links a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .sidebar-links a i {
            font-size: 14px;
            color: var(--primary-light);
            width: 18px;
            text-align: center;
        }

        .sidebar-cats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-cats a {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-cats a:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 59, 255, 0.08);
        }

        @media (max-width: 992px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-main {
                padding: 28px 24px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .article-main {
                padding: 20px 16px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 19px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 44px;
        }
        .related-section .section-title h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .related-section .section-title p {
            color: var(--text-muted);
            font-size: 16px;
        }

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

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .badge {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(108, 59, 255, 0.15);
            color: var(--primary-light);
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h3 a {
            color: var(--text-primary);
        }
        .related-card .card-body h3 a:hover {
            color: var(--secondary);
        }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .related-card .card-body .meta {
            font-size: 13px;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        @media (max-width: 992px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .related-section .section-title h2 {
                font-size: 24px;
            }
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box i {
            font-size: 64px;
            color: var(--text-dim);
            margin-bottom: 24px;
        }
        .not-found-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 28px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 16px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 18px;
            padding: 0;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-3px);
            padding-left: 0;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom span:last-child {
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

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

        /* ===== Utility ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .gap-1 {
            gap: 8px;
        }
        .gap-2 {
            gap: 16px;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c2bd9;
            --primary-dark: #501fa8;
            --primary-light: #8e4ef0;
            --secondary: #f5c518;
            --secondary-light: #ffe066;
            --accent: #ff4d6a;
            --bg-dark: #0d0b1a;
            --bg-mid: #15122b;
            --bg-card: #1e1a3a;
            --bg-light: #f8f7fc;
            --text-white: #ffffff;
            --text-muted: #b0a8d0;
            --text-body: #e0d8f0;
            --text-dark: #1a1a2e;
            --border-color: rgba(108, 43, 217, 0.25);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 20px 50px rgba(108, 43, 217, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1240px;
            --header-h: 76px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-muted);
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 11, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(108, 43, 217, 0.15);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--secondary);
            font-size: 24px;
        }
        .site-logo span {
            background: linear-gradient(135deg, #fff 40%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--text-white);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-white);
            font-size: 24px;
            padding: 6px 10px;
            border-radius: 8px;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-content {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(108, 43, 217, 0.15);
        }
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(108, 43, 217, 0.12);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 0 14px;
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-white);
            padding: 8px 0;
            width: 140px;
            font-size: 14px;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 9px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 43, 217, 0.35);
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            padding: 140px 0 70px;
            background: linear-gradient(135deg, rgba(13, 11, 26, 0.92), rgba(21, 18, 43, 0.88)), url(/assets/images/backpic/back-1.png) center center / cover no-repeat;
            border-bottom: 1px solid rgba(108, 43, 217, 0.1);
            text-align: center;
            position: relative;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            pointer-events: none;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 30%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .page-banner p {
            font-size: 18px;
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-muted);
        }
        .breadcrumb-wrap {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--primary-light);
        }
        .breadcrumb-wrap a:hover {
            color: var(--secondary);
        }
        .breadcrumb-wrap span {
            color: var(--text-muted);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-title h2 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .section-title p {
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto;
            color: var(--text-muted);
        }
        .section-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(108, 43, 217, 0.15);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            border: 1px solid rgba(108, 43, 217, 0.2);
        }

        /* ===== 分类导航卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }
        .category-card .icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(108, 43, 217, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--secondary);
            transition: background var(--transition);
        }
        .category-card:hover .icon-wrap {
            background: rgba(108, 43, 217, 0.25);
        }
        .category-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .category-card .badge-tag {
            display: inline-block;
            margin-top: 12px;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(245, 197, 24, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(245, 197, 24, 0.15);
        }

        /* ===== 热门赛事卡片 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }
        .event-card .event-img {
            height: 180px;
            background: var(--bg-mid);
            position: relative;
            overflow: hidden;
        }
        .event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .event-img img {
            transform: scale(1.05);
        }
        .event-card .event-img .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
        }
        .event-card .event-img .event-badge.live {
            background: #28a745;
        }
        .event-card .event-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .event-card .event-body .meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 12px;
        }
        .event-card .event-body .meta i {
            margin-right: 4px;
            color: var(--secondary);
        }
        .event-card .event-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .event-card .event-body .btn-event {
            align-self: flex-start;
            padding: 8px 24px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border: none;
            transition: all var(--transition);
        }
        .event-card .event-body .btn-event:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 43, 217, 0.3);
            color: #fff;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 16px 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-item .num {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--secondary), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-item i {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== 赛事流程 ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .flow-step {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px 28px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .flow-step:hover {
            border-color: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .flow-step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -12px;
            right: -12px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--bg-dark);
        }
        .flow-step .icon {
            font-size: 34px;
            color: var(--secondary);
            margin-bottom: 14px;
            display: block;
        }
        .flow-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-white);
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: rgba(108, 43, 217, 0.05);
        }
        .faq-question i {
            color: var(--secondary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(108, 43, 217, 0.12), rgba(245, 197, 24, 0.06)), url(/assets/images/backpic/back-2.png) center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid rgba(108, 43, 217, 0.15);
        }
        .cta-block h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 28px;
            color: var(--text-muted);
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--secondary), #e0a800);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 16px;
            border: none;
            transition: all var(--transition);
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245, 197, 24, 0.3);
            color: #1a1a2e;
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 40px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition);
            margin-left: 12px;
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--primary-light);
            color: var(--text-white);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-mid);
            border-top: 1px solid rgba(108, 43, 217, 0.1);
            padding: 56px 0 24px;
            margin-top: 16px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 300px;
            margin-top: 8px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 8px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: rgba(108, 43, 217, 0.2);
            color: var(--secondary);
            border-color: var(--primary-light);
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .nav-content {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(13, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px 24px 28px;
                border-bottom: 1px solid rgba(108, 43, 217, 0.15);
                gap: 16px;
                align-items: stretch;
            }
            .nav-content.nav-open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: 8px;
            }
            .nav-actions {
                flex-direction: column;
                gap: 12px;
                width: 100%;
            }
            .nav-search {
                width: 100%;
            }
            .nav-search input {
                width: 100%;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .section-title h2 {
                font-size: 28px;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr 1fr;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 26px;
            }
            .btn-cta-secondary {
                margin-left: 0;
                margin-top: 12px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-banner {
                padding: 110px 0 50px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .num {
                font-size: 32px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-block {
                padding: 32px 16px;
            }
            .cta-block h2 {
                font-size: 22px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
            .event-card .event-body {
                padding: 16px 18px 20px;
            }
            .breadcrumb-wrap {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf1;
            --primary-dark: #5228c9;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf1 0%, #f72280 100%);
            --secondary: #f72280;
            --accent: #ffc107;
            --bg-dark: #0b0a1a;
            --bg-section: #0f0e23;
            --bg-card: #18162e;
            --bg-card-hover: #201e3a;
            --bg-body: #080715;
            --text-white: #ffffff;
            --text-light: #e8e6f0;
            --text-muted: #9a96b0;
            --text-dim: #6b6790;
            --border-color: #2a274a;
            --border-light: #3d3960;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 12px rgba(108, 60, 241, 0.15);
            --shadow-md: 0 8px 30px rgba(108, 60, 241, 0.25);
            --shadow-lg: 0 16px 48px rgba(108, 60, 241, 0.35);
            --shadow-glow: 0 0 40px rgba(108, 60, 241, 0.30);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-light);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 0.8rem;
            color: var(--text-muted);
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 10, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42, 39, 74, 0.5);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            text-decoration: none;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .site-logo i {
            font-size: 26px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.85;
            transform: scale(1.02);
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 26px;
            color: var(--text-white);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-content {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 30px;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: var(--shadow-sm);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            padding: 6px 16px;
            gap: 8px;
            transition: var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 60, 241, 0.25);
        }
        .nav-search i {
            color: var(--text-dim);
            font-size: 15px;
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--text-light);
            padding: 6px 0;
            width: 100%;
            font-size: 14px;
        }
        .nav-search input::placeholder {
            color: var(--text-dim);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 30px;
            background: var(--primary-gradient);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }
        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-content {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 20px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                max-height: 80vh;
                overflow-y: auto;
                align-items: stretch;
            }
            .nav-content.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .nav-links a {
                padding: 12px 20px;
                width: 100%;
                text-align: center;
                font-size: 16px;
            }
            .nav-actions {
                flex-direction: column;
                gap: 12px;
                width: 100%;
            }
            .nav-search {
                width: 100%;
                min-width: unset;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }
        }
        @media (max-width: 576px) {
            .site-logo {
                font-size: 18px;
            }
            .site-logo i {
                font-size: 20px;
            }
            .nav-search input {
                font-size: 13px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 10, 26, 0.88) 0%, rgba(11, 10, 26, 0.60) 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 0;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(108, 60, 241, 0.20);
            border: 1px solid rgba(108, 60, 241, 0.30);
            border-radius: 30px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 110px 0 56px;
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
        }
        @media (max-width: 576px) {
            .page-banner h1 {
                font-size: 26px;
            }
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.bg-section {
            background: var(--bg-section);
        }
        .section-block.bg-dark {
            background: var(--bg-dark);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-title .sub-label {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(108, 60, 241, 0.15);
            border-radius: 30px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .section-title p {
                font-size: 15px;
            }
        }

        /* ===== 卡片 ===== */
        .card-guide {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-guide:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .card-guide .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .card-guide .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-guide .card-tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(247, 34, 128, 0.18);
            color: var(--secondary);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card-guide .card-tag.guide {
            background: rgba(108, 60, 241, 0.18);
            color: var(--primary-light);
        }
        .card-guide .card-tag.tactics {
            background: rgba(255, 193, 7, 0.18);
            color: var(--accent);
        }
        .card-guide h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .card-guide p {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 12px;
        }
        .card-guide .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-dim);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            margin-top: auto;
        }
        .card-guide .card-meta i {
            margin-right: 4px;
        }
        .card-guide .card-meta .badge-stars {
            background: rgba(255, 193, 7, 0.15);
            color: var(--accent);
            padding: 2px 10px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
        }

        /* ===== 分类入口卡片 ===== */
        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .cat-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(108, 60, 241, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .cat-card:hover .cat-icon {
            background: var(--primary-gradient);
            color: #fff;
            transform: scale(1.08);
        }
        .cat-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .cat-card .cat-count {
            font-size: 13px;
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.04);
            padding: 4px 16px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            align-items: flex-start;
            margin-bottom: 16px;
        }
        .step-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .step-item .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
        }
        .step-item .step-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .step-item .step-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-white);
        }
        .faq-item .faq-q i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--bg-section);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 30px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            border: none;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow-sm);
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            border: 2px solid var(--border-light);
            color: var(--text-light);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            text-decoration: none;
            background: transparent;
        }
        .btn-outline-light:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(108, 60, 241, 0.06);
        }
        .cta-block .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h3 {
                font-size: 24px;
            }
            .cta-block p {
                font-size: 15px;
            }
            .btn-cta-primary {
                padding: 12px 28px;
                font-size: 15px;
            }
        }

        /* ===== 统计数字 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }
        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 992px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 30px;
            }
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .tag-cloud a:hover {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 12px;
            line-height: 1.8;
        }
        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-white);
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 4px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
            text-decoration: none;
            padding: 0 !important;
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            transform: translateY(-3px);
            padding-left: 0 !important;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-dim);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 992px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 工具类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .gap-2 { gap: 12px; }
        .gap-3 { gap: 20px; }
        .text-center { text-align: center; }

        /* ===== 响应式补丁 ===== */
        @media (max-width: 768px) {
            .row>[class*="col-"] {
                margin-bottom: 16px;
            }
            .card-guide .card-body {
                padding: 16px 18px 20px;
            }
            .step-item {
                flex-direction: column;
                padding: 20px;
            }
            .step-item .step-num {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .faq-item .faq-q {
                font-size: 15px;
            }
        }
        @media (max-width: 576px) {
            .section-title h2 {
                font-size: 22px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .cat-card {
                padding: 24px 16px 20px;
            }
            .cat-card .cat-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
        }

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

        /* ===== 选中高亮 ===== */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf1;
            --primary-dark: #5429d9;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf1 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --bg-dark: #0f0e1a;
            --bg-card: #1a1833;
            --bg-card-hover: #221f40;
            --bg-body: #12101e;
            --bg-section-alt: #171430;
            --text-light: #f1f0fb;
            --text-muted: #8b87a8;
            --text-body: #d4d0ec;
            --border-color: #2a2748;
            --border-light: #3d395e;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 30px rgba(108, 60, 241, 0.25);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --header-height: 76px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            padding-top: var(--header-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-light);
            margin-bottom: 0.5em;
        }

        p {
            margin-bottom: 1em;
            color: var(--text-body);
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(15, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 14, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .site-logo i {
            font-size: 26px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.85;
            color: var(--text-light);
        }

        .nav-toggle {
            display: none;
            font-size: 26px;
            color: var(--text-light);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
        }

        .nav-content {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-light);
            background: var(--bg-card);
        }
        .nav-links a.active {
            color: var(--text-light);
            background: rgba(108, 60, 241, 0.2);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary-gradient);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 6px 16px;
            transition: all var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 60, 241, 0.15);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .nav-search input {
            flex: 1;
            background: transparent;
            color: var(--text-light);
            font-size: 14px;
            padding: 4px 0;
            border: none;
            outline: none;
            min-width: 80px;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 60, 241, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
            text-decoration: none;
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 241, 0.5);
            color: #fff;
        }
        .btn-nav-cta i {
            font-size: 13px;
            transition: transform var(--transition);
        }
        .btn-nav-cta:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-content {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 20px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav-content.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 18px;
                font-size: 16px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-actions {
                flex-direction: column;
                width: 100%;
                gap: 12px;
            }
            .nav-search {
                width: 100%;
                min-width: unset;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 22px;
            }
        }

        @media (max-width: 480px) {
            .site-logo {
                font-size: 18px;
            }
            .site-logo i {
                font-size: 22px;
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--bg-dark);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-banner .banner-bg {
            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: saturate(0.6);
        }
        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(108, 60, 241, 0.25) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 60%, rgba(6, 182, 212, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(108, 60, 241, 0.2);
            border: 1px solid rgba(108, 60, 241, 0.3);
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .page-banner .banner-badge i {
            font-size: 14px;
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1f0fb 0%, #c4b5fd 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-banner .banner-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .page-banner .banner-actions .btn-primary-custom {
            padding: 14px 36px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border: none;
            box-shadow: 0 8px 28px rgba(108, 60, 241, 0.4);
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .page-banner .banner-actions .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 60, 241, 0.55);
            color: #fff;
        }
        .page-banner .banner-actions .btn-outline-custom {
            padding: 14px 36px;
            border-radius: 100px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .page-banner .banner-actions .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(108, 60, 241, 0.1);
            color: var(--text-light);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 48px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .page-banner .banner-actions .btn-primary-custom,
            .page-banner .banner-actions .btn-outline-custom {
                padding: 12px 28px;
                font-size: 14px;
            }
        }
        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 通用板块标题 ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title .sub-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 16px;
            border-radius: 100px;
            background: rgba(108, 60, 241, 0.12);
            border: 1px solid rgba(108, 60, 241, 0.2);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .section-title p {
                font-size: 15px;
            }
        }

        /* ===== 通用板块间距 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }

        .bg-section-alt {
            background: var(--bg-section-alt);
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .feature-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(108, 60, 241, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--primary-light);
            transition: all var(--transition);
        }
        .feature-card:hover .icon-wrap {
            background: var(--primary-gradient);
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(108, 60, 241, 0.35);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 28px 20px;
            }
        }

        /* ===== 分类板块卡片 ===== */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .community-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            text-decoration: none;
            display: block;
            color: inherit;
        }
        .community-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
            color: inherit;
        }
        .community-card .card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .community-card .card-img .card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 100px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .community-card .card-body {
            padding: 20px 22px 24px;
        }
        .community-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .community-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .community-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .community-card .card-body .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        @media (max-width: 992px) {
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .community-grid {
                grid-template-columns: 1fr;
            }
            .community-card .card-img {
                height: 140px;
            }
        }

        /* ===== 热门内容列表 ===== */
        .hot-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .hot-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
            align-items: flex-start;
        }
        .hot-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .hot-card .hot-img {
            flex-shrink: 0;
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-color);
        }
        .hot-card .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-card .hot-info .hot-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 100px;
            background: rgba(6, 182, 212, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .hot-card .hot-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card .hot-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card .hot-info .hot-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .hot-card .hot-info .hot-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .hot-content-grid {
                grid-template-columns: 1fr;
            }
            .hot-card {
                flex-direction: column;
                padding: 16px;
            }
            .hot-card .hot-img {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }
        .stat-card .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--primary-light);
            opacity: 0.3;
            margin-bottom: 12px;
            transition: opacity var(--transition);
        }
        .stat-card:hover .stat-icon {
            opacity: 0.6;
        }

        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card .stat-number {
                font-size: 30px;
            }
        }

        /* ===== 活动卡片 ===== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .activity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .activity-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .activity-card .act-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .activity-card .act-img .act-date {
            position: absolute;
            bottom: 12px;
            left: 12px;
            padding: 6px 16px;
            border-radius: 100px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .activity-card .act-body {
            padding: 20px 22px 24px;
        }
        .activity-card .act-body .act-badge {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 100px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .activity-card .act-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .activity-card .act-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .activity-card .act-body .act-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .activity-card .act-body .act-link:hover {
            gap: 12px;
            color: var(--secondary);
        }

        @media (max-width: 992px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .activity-card .act-img {
                height: 160px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: none;
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-item .faq-question:hover {
            background: rgba(108, 60, 241, 0.05);
        }
        .faq-item .faq-question i {
            font-size: 18px;
            color: var(--primary-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 576px) {
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            transform: scale(1.05);
        }
        .cta-section .cta-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(108, 60, 241, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-actions .btn-cta-primary {
            padding: 16px 40px;
            border-radius: 100px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border: none;
            box-shadow: 0 8px 32px rgba(108, 60, 241, 0.4);
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .cta-actions .btn-cta-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 48px rgba(108, 60, 241, 0.55);
            color: #fff;
        }
        .cta-section .cta-actions .btn-cta-secondary {
            padding: 16px 40px;
            border-radius: 100px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .cta-actions .btn-cta-secondary:hover {
            border-color: var(--primary);
            background: rgba(108, 60, 241, 0.1);
            color: var(--text-light);
            transform: translateY(-4px);
        }

        @media (max-width: 768px) {
            .cta-section .container-custom {
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-section .cta-actions .btn-cta-primary,
            .cta-section .cta-actions .btn-cta-secondary {
                padding: 14px 32px;
                font-size: 15px;
            }
        }
        @media (max-width: 480px) {
            .cta-section .cta-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .site-footer .footer-brand .site-logo {
            font-size: 20px;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            transition: all var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 14px;
            margin-bottom: 8px;
        }
        .site-footer .footer-social a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-muted);
            padding: 0;
            transition: all var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(108, 60, 241, 0.3);
            padding-left: 0;
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom span:last-child {
            color: var(--primary-light);
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .gap-2 {
            gap: 12px;
        }