/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #2e7cf6;
            --primary-light: #5e9cff;
            --primary-dark: #1a5fd4;
            --accent: #ff6a3a;
            --accent-light: #ff9478;
            --accent-dark: #e54e20;
            --bg-primary: #070d18;
            --bg-secondary: #0d1526;
            --bg-card: #111c30;
            --bg-card-hover: #17263d;
            --bg-deep: #040811;
            --text-primary: #f0f4fa;
            --text-secondary: #a8b4c6;
            --text-muted: #6d7a90;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 28px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 10px 36px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1280px;
            --header-height: 76px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(94, 156, 255, 0.6);
            outline-offset: 2px;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }

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

        /* ========== 导航头部 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(7, 13, 24, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(4, 8, 17, 0.96);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }
        .brand-logo {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo i {
            color: var(--primary-light);
            font-size: 26px;
        }
        .brand-logo span {
            background: linear-gradient(135deg, var(--primary-light), #fff 60%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            position: relative;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(46, 124, 246, 0.16);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(46, 124, 246, 0.35);
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(46, 124, 246, 0.5);
            color: #fff;
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* Mega 下拉面板 */
        .nav-dropdown {
            position: relative;
        }
        .nav-dropdown>a {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            width: 440px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition);
            z-index: 2000;
        }
        .nav-dropdown:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel::before {
            content: "";
            position: absolute;
            top: -8px;
            right: 30px;
            width: 16px;
            height: 16px;
            background: var(--bg-card);
            border-left: 1px solid var(--border-light);
            border-top: 1px solid var(--border-light);
            transform: rotate(45deg);
        }
        .mega-panel h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mega-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mega-links a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            padding-left: 16px;
        }
        .mega-links a i {
            width: 20px;
            text-align: center;
            color: var(--primary-light);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: calc(var(--header-height) + 80px) 0 100px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(4, 8, 17, 0.92) 0%, rgba(7, 13, 24, 0.75) 50%, rgba(10, 20, 40, 0.55) 100%);
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, var(--bg-primary));
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(46, 124, 246, 0.18);
            border: 1px solid rgba(46, 124, 246, 0.35);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: clamp(38px, 5vw, 60px);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            color: #fff;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subtitle {
            font-size: 20px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .hero .desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(46, 124, 246, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(46, 124, 246, 0.55);
            color: #fff;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-3px);
            color: #fff;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 90px 0;
        }
        .section-sm {
            padding: 60px 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }
        .section-head .eyebrow::before,
        .section-head .eyebrow::after {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--primary);
            opacity: 0.5;
        }
        .section-head h2 {
            font-size: clamp(28px, 3.5vw, 42px);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 核心说明 ========== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(46, 124, 246, 0.3);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(46, 124, 246, 0.2), rgba(46, 124, 246, 0.05));
            border: 1px solid rgba(46, 124, 246, 0.25);
            border-radius: 16px;
            margin-bottom: 20px;
            font-size: 24px;
            color: var(--primary-light);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .feature-card .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            transition: gap var(--transition);
        }
        .feature-card .feature-link:hover {
            gap: 10px;
        }

        /* ========== 分类入口 ========== */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .category-card .card-image {
            position: relative;
            height: 240px;
            overflow: hidden;
        }
        .category-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .card-image img {
            transform: scale(1.06);
        }
        .category-card .card-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(7, 13, 24, 0.85) 100%);
        }
        .category-card .card-body {
            position: relative;
            padding: 24px;
            margin-top: -60px;
            z-index: 2;
        }
        .category-card .card-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(46, 124, 246, 0.2);
            border: 1px solid rgba(46, 124, 246, 0.35);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
        }
        .category-card .card-link i {
            transition: transform var(--transition);
        }
        .category-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ========== 资讯列表 ========== */
        .news-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
        }
        .news-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .news-panel h3 i {
            color: var(--primary-light);
        }
        .news-list {
            display: flex;
            flex-direction: column;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 12px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.04);
            padding-left: 16px;
        }
        .news-item .index {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-muted);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .news-item:nth-child(1) .index,
        .news-item:nth-child(2) .index,
        .news-item:nth-child(3) .index {
            color: var(--accent);
        }
        .news-item .info {
            flex: 1;
            min-width: 0;
        }
        .news-item .title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: block;
        }
        .news-item .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 3px;
            display: flex;
            gap: 10px;
        }
        .news-item .meta i {
            font-size: 11px;
        }
        .news-cat-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            background: rgba(255, 106, 58, 0.12);
            border: 1px solid rgba(255, 106, 58, 0.3);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-light);
            flex-shrink: 0;
        }
        .news-empty {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: 12px;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: linear-gradient(135deg, var(--bg-deep), var(--bg-secondary));
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 124, 246, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .stat-block {
            text-align: center;
            padding: 36px 20px;
        }
        .stat-block .num {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary-light), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-block .num .suffix {
            font-size: 28px;
        }
        .stat-block .label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .stat-block .label i {
            color: var(--primary-light);
            margin-right: 6px;
        }

        /* ========== 流程 ========== */
        .process-section {
            position: relative;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46, 124, 246, 0.25);
        }
        .process-step .step-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-light);
            background: rgba(46, 124, 246, 0.15);
            border-radius: 50px;
            padding: 4px 16px;
            display: inline-block;
            margin-bottom: 16px;
        }
        .process-step .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(46, 124, 246, 0.15), rgba(255, 106, 58, 0.1));
            border: 1px solid rgba(46, 124, 246, 0.2);
            border-radius: 50%;
            font-size: 22px;
            color: var(--primary-light);
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 18px;
            z-index: 3;
        }

        /* ========== 精选内容 ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .featured-card .thumb {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .featured-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .featured-card:hover .thumb img {
            transform: scale(1.05);
        }
        .featured-card .thumb .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            background: rgba(46, 124, 246, 0.85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            opacity: 0;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .featured-card:hover .play-btn {
            opacity: 1;
        }
        .featured-card .content {
            padding: 20px;
        }
        .featured-card .content .tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(255, 106, 58, 0.12);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 10px;
        }
        .featured-card .content h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card .content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(46, 124, 246, 0.2);
        }
        .faq-item details {
            padding: 0;
        }
        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            list-style: none;
            transition: all var(--transition);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(46, 124, 246, 0.15);
            border-radius: 8px;
            color: var(--primary-light);
            font-size: 14px;
            transition: all var(--transition);
        }
        .faq-item summary .arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 13px;
            transition: transform var(--transition);
        }
        .faq-item details[open] summary {
            color: var(--primary-light);
        }
        .faq-item details[open] summary .icon {
            background: rgba(46, 124, 246, 0.3);
        }
        .faq-item details[open] summary .arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 28px 24px;
            padding-left: 74px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(4, 8, 17, 0.9), rgba(13, 21, 38, 0.8));
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 50px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .legal-links a {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links a:hover {
            color: var(--primary-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-arrow {
                display: none;
            }
            .featured-grid {
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .mega-panel {
                width: 380px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(4, 8, 17, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform 0.4s ease;
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }
            .main-nav.menu-open {
                transform: translateY(0);
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 16px;
            }
            .nav-link.active::after {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .nav-dropdown .mega-panel {
                position: static;
                width: 100%;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                margin-top: 8px;
                padding: 16px;
                background: rgba(255, 255, 255, 0.04);
                border-radius: 12px;
                border: 1px solid var(--border);
                display: none;
            }
            .nav-dropdown.open .mega-panel {
                display: block;
            }
            .nav-dropdown .mega-panel::before {
                display: none;
            }
            .hero {
                padding: calc(var(--header-height) + 50px) 0 70px;
            }
            .hero .desc {
                font-size: 15px;
            }
            .hero-stats {
                gap: 24px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .news-panel {
                padding: 20px;
            }
            .stat-block .num {
                font-size: 36px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding-left: 20px;
                padding-right: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero .subtitle {
                font-size: 17px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-ghost {
                justify-content: center;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px;
            }
            .category-card .card-image {
                height: 200px;
            }
            .footer-grid {
                gap: 28px;
            }
            .mega-panel .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #1c3d6b;
        --primary-dark: #102a4c;
        --primary-light: #28518c;
        --accent: #e8762b;
        --accent-dark: #d16018;
        --accent-light: #ffeddd;
        --bg: #f4f6fa;
        --bg-alt: #ffffff;
        --bg-dark: #0e1a2e;
        --text: #1a2332;
        --text-muted: #5b6b7c;
        --border: #dbe0e8;
        --radius: 12px;
        --radius-lg: 20px;
        --shadow-sm: 0 2px 10px rgba(26, 35, 50, 0.05);
        --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.08);
        --shadow-lg: 0 16px 40px rgba(26, 35, 50, 0.12);
        --transition: all 0.25s ease;
        --container-w: 1200px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
    }
    a:hover {
        color: var(--accent);
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
    }
    ul,
    ol {
        list-style: none;
    }
    .container {
        max-width: var(--container-w);
        margin: 0 auto;
        padding: 0 24px;
    }
    .text-center {
        text-align: center;
    }
    .section-pad {
        padding: 80px 0;
    }
    .section-head {
        margin-bottom: 48px;
        text-align: center;
        position: relative;
    }
    .section-head .subtitle {
        display: inline-block;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 3px;
        text-transform: uppercase;
        color: var(--accent);
        margin-bottom: 10px;
        background: var(--accent-light);
        padding: 6px 18px;
        border-radius: 30px;
    }
    .section-head h2 {
        font-size: 38px;
        font-weight: 800;
        line-height: 1.3;
        color: var(--primary-dark);
        margin-bottom: 12px;
        letter-spacing: -1px;
    }
    .section-head p {
        font-size: 16px;
        color: var(--text-muted);
        max-width: 620px;
        margin: 0 auto;
        line-height: 1.7;
    }
    /* ===== Header ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(219, 224, 232, 0.6);
        box-shadow: 0 2px 12px rgba(26, 35, 50, 0.04);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        height: 72px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--primary);
        flex-shrink: 0;
        transition: var(--transition);
    }
    .brand-logo i {
        font-size: 26px;
        color: var(--accent);
        background: var(--accent-light);
        width: 42px;
        height: 42px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    .brand-logo:hover {
        color: var(--primary);
        transform: translateY(-1px);
    }
    .brand-logo:hover i {
        transform: rotate(-8deg) scale(1.05);
    }
    .main-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex: 1;
        gap: 20px;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
    }
    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 16px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        border-radius: 10px;
        transition: var(--transition);
        position: relative;
    }
    .nav-link:hover {
        color: var(--primary);
        background: #f1f4f8;
    }
    .nav-link.active {
        color: var(--primary);
        background: var(--accent-light);
        font-weight: 700;
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%);
        width: 18px;
        height: 3px;
        background: var(--accent);
        border-radius: 4px;
    }
    .nav-link i.fa-chevron-down {
        font-size: 11px;
        margin-left: 2px;
        transition: var(--transition);
    }
    .nav-dropdown {
        position: relative;
    }
    .nav-dropdown:hover .mega-panel {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .mega-panel {
        position: absolute;
        top: calc(100% + 8px);
        left: auto;
        right: -20px;
        width: 520px;
        background: var(--bg-alt);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        padding: 24px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.25s ease;
        z-index: 100;
        border: 1px solid rgba(219, 224, 232, 0.7);
    }
    .mega-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .mega-grid h4 {
        font-size: 13px;
        font-weight: 700;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 1.5px;
        margin-bottom: 14px;
        border-bottom: 1px solid var(--border);
        padding-bottom: 8px;
    }
    .mega-links {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .mega-links a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 8px 10px;
        border-radius: 8px;
        font-size: 14px;
        color: var(--text);
        transition: var(--transition);
    }
    .mega-links a:hover {
        background: #f4f6fa;
        color: var(--primary);
        padding-left: 14px;
    }
    .mega-links a i {
        width: 18px;
        text-align: center;
        color: var(--accent);
        font-size: 14px;
    }
    .mega-links a i.fa-circle {
        font-size: 6px;
        color: #b9c3cf;
    }
    .nav-toggle {
        display: none;
        background: none;
        font-size: 22px;
        color: var(--primary);
        cursor: pointer;
        padding: 8px;
        border-radius: 8px;
    }
    .nav-toggle:hover {
        background: #f1f4f8;
    }
    /* ===== Page Hero ===== */
    .page-hero {
        position: relative;
        padding: 100px 0 90px;
        background: linear-gradient(135deg, rgba(12, 26, 45, 0.92), rgba(20, 40, 70, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        color: #fff;
        overflow: hidden;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        bottom: -40px;
        right: -30px;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: rgba(232, 118, 43, 0.15);
        filter: blur(60px);
    }
    .page-hero .hero-content {
        position: relative;
        z-index: 2;
        max-width: 720px;
    }
    .page-hero .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(6px);
        padding: 8px 18px;
        border-radius: 30px;
        font-size: 13px;
        letter-spacing: 2px;
        font-weight: 600;
        margin-bottom: 20px;
        color: #ffd9c0;
    }
    .page-hero h1 {
        font-size: 48px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 18px;
        letter-spacing: -1px;
    }
    .page-hero p {
        font-size: 17px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 32px;
        max-width: 580px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--accent);
        color: #fff;
        padding: 14px 28px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 15px;
        transition: var(--transition);
        border: none;
        cursor: pointer;
        box-shadow: 0 4px 14px rgba(232, 118, 43, 0.35);
    }
    .btn-primary:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(232, 118, 43, 0.4);
    }
    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: transparent;
        color: #fff;
        padding: 14px 28px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 15px;
        border: 2px solid rgba(255, 255, 255, 0.4);
        cursor: pointer;
        transition: var(--transition);
    }
    .btn-outline-light:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
    /* ===== Channel Cards ===== */
    .channel-section {
        background: var(--bg);
        padding: 80px 0;
    }
    .channel-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 40px;
    }
    .channel-card {
        background: var(--bg-alt);
        border-radius: var(--radius-lg);
        padding: 30px 24px;
        text-align: center;
        border: 1px solid var(--border);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }
    .channel-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--primary));
        opacity: 0;
        transition: var(--transition);
    }
    .channel-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: transparent;
    }
    .channel-card:hover::before {
        opacity: 1;
    }
    .channel-card .icon-wrap {
        width: 64px;
        height: 64px;
        border-radius: 16px;
        background: var(--accent-light);
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 18px;
        font-size: 26px;
        color: var(--accent);
        transition: var(--transition);
    }
    .channel-card:hover .icon-wrap {
        background: var(--accent);
        color: #fff;
        transform: scale(1.06);
    }
    .channel-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--primary-dark);
    }
    .channel-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 14px;
    }
    .channel-card .channel-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .channel-card .channel-link:hover {
        gap: 10px;
        color: var(--accent);
    }
    /* ===== News List ===== */
    .news-section {
        background: var(--bg-alt);
        padding: 80px 0;
    }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-top: 40px;
    }
    .news-card {
        background: var(--bg);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
        border: 1px solid var(--border);
    }
    .news-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }
    .news-card .news-thumb {
        position: relative;
        height: 220px;
        overflow: hidden;
    }
    .news-card .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .news-card:hover .news-thumb img {
        transform: scale(1.05);
    }
    .news-card .news-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        z-index: 2;
        background: rgba(232, 118, 43, 0.95);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 5px 12px;
        border-radius: 20px;
        letter-spacing: 1px;
    }
    .news-card .news-body {
        padding: 22px;
    }
    .news-card .news-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 10px;
    }
    .news-card .news-meta i {
        margin-right: 4px;
        color: var(--accent);
    }
    .news-card h3 {
        font-size: 18px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 12px;
        color: var(--text);
        transition: var(--transition);
    }
    .news-card h3:hover {
        color: var(--primary);
    }
    .news-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .news-card .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--border);
    }
    .news-card .read-more {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .news-card .read-more:hover {
        color: var(--accent);
        gap: 10px;
    }
    /* ===== Stats ===== */
    .stats-section {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
        color: #fff;
        padding: 70px 0;
        position: relative;
        overflow: hidden;
    }
    .stats-section::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 240px;
        height: 240px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 50%;
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        text-align: center;
    }
    .stat-item {
        padding: 24px;
    }
    .stat-item .stat-num {
        font-size: 44px;
        font-weight: 800;
        color: #ffd9c0;
        line-height: 1.2;
        margin-bottom: 8px;
    }
    .stat-item .stat-label {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.7);
        letter-spacing: 1px;
    }
    /* ===== Hot Ranking ===== */
    .hot-section {
        background: var(--bg);
        padding: 80px 0;
    }
    .hot-layout {
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        gap: 40px;
        align-items: center;
        margin-top: 40px;
    }
    .hot-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        position: relative;
        min-height: 380px;
    }
    .hot-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        inset: 0;
    }
    .hot-image .hot-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 30px;
        background: linear-gradient(to top, rgba(14, 26, 46, 0.8), transparent);
        color: #fff;
    }
    .hot-image .hot-overlay h3 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 6px;
    }
    .hot-image .hot-overlay p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
    }
    .hot-list {
        background: var(--bg-alt);
        border-radius: var(--radius-lg);
        padding: 30px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
    }
    .hot-list h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary-dark);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .hot-list h3 i {
        color: var(--accent);
    }
    .hot-list-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 16px 0;
        border-bottom: 1px solid var(--border);
        transition: var(--transition);
    }
    .hot-list-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .hot-list-item:hover {
        padding-left: 8px;
    }
    .hot-rank {
        width: 34px;
        height: 34px;
        background: #f0f2f7;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 16px;
        color: var(--text-muted);
        flex-shrink: 0;
        transition: var(--transition);
    }
    .hot-list-item:nth-child(1) .hot-rank {
        background: linear-gradient(135deg, #ffd700, #ffb800);
        color: #fff;
    }
    .hot-list-item:nth-child(2) .hot-rank {
        background: linear-gradient(135deg, #c0c6cf, #9aa3af);
        color: #fff;
    }
    .hot-list-item:nth-child(3) .hot-rank {
        background: linear-gradient(135deg, #e0a16b, #d08a4e);
        color: #fff;
    }
    .hot-list-item .hot-info {
        flex: 1;
    }
    .hot-list-item .hot-info h4 {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 4px;
    }
    .hot-list-item .hot-info p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.5;
    }
    .hot-list-item .hot-status {
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        background: var(--accent-light);
        padding: 4px 10px;
        border-radius: 20px;
        flex-shrink: 0;
    }
    /* ===== Feature ===== */
    .feature-section {
        background: var(--bg-alt);
        padding: 80px 0;
    }
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
        margin-top: 40px;
    }
    .feature-card {
        display: flex;
        gap: 20px;
        background: var(--bg);
        border-radius: var(--radius-lg);
        padding: 26px;
        border: 1px solid var(--border);
        transition: var(--transition);
    }
    .feature-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .feature-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        flex-shrink: 0;
        transition: var(--transition);
    }
    .feature-card:hover .feature-icon {
        background: var(--accent);
        transform: rotate(-6deg) scale(1.05);
    }
    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--primary-dark);
    }
    .feature-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }
    /* ===== FAQ ===== */
    .faq-section {
        background: var(--bg);
        padding: 80px 0;
    }
    .faq-list {
        max-width: 820px;
        margin: 0 auto;
        margin-top: 40px;
    }
    .faq-item {
        background: var(--bg-alt);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        margin-bottom: 14px;
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .faq-item summary {
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        list-style: none;
        transition: var(--transition);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 13px;
        color: var(--accent);
        transition: var(--transition);
    }
    .faq-item[open] summary {
        color: var(--accent);
    }
    .faq-item[open] summary::after {
        transform: rotate(180deg);
    }
    .faq-item .faq-answer {
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        border-top: 1px dashed var(--border);
        margin: 0 24px;
        padding: 16px 0 20px;
    }
    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        padding: 80px 0;
        background: linear-gradient(135deg, var(--primary-dark), var(--primary)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        background-blend-mode: overlay;
        text-align: center;
        color: #fff;
    }
    .cta-section h2 {
        font-size: 36px;
        font-weight: 800;
        margin-bottom: 16px;
    }
    .cta-section p {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 28px;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .btn-light {
        background: #fff;
        color: var(--primary);
        padding: 14px 32px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 15px;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
        border: none;
    }
    .btn-light:hover {
        background: var(--accent-light);
        color: var(--accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    .btn-outline-light-solid {
        background: transparent;
        color: #fff;
        padding: 14px 32px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 15px;
        border: 2px solid rgba(255, 255, 255, 0.5);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
    }
    .btn-outline-light-solid:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 64px 0 0;
        font-size: 14px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 44px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand .brand-logo {
        color: #fff;
        margin-bottom: 14px;
    }
    .footer-brand .brand-logo i {
        background: rgba(255, 255, 255, 0.1);
        color: var(--accent);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.55);
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }
    .footer-col a {
        display: block;
        padding: 6px 0;
        color: rgba(255, 255, 255, 0.55);
        transition: var(--transition);
    }
    .footer-col a:hover {
        color: var(--accent);
        padding-left: 4px;
    }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0 24px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom p {
        color: rgba(255, 255, 255, 0.4);
        font-size: 13px;
        margin: 0;
    }
    .legal-links {
        display: flex;
        gap: 20px;
    }
    .legal-links a {
        color: rgba(255, 255, 255, 0.4);
        font-size: 13px;
    }
    .legal-links a:hover {
        color: var(--accent);
    }
    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
        .channel-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .news-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .hot-layout {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .page-hero h1 {
            font-size: 36px;
        }
    }
    @media screen and (max-width: 768px) {
        .section-pad {
            padding: 56px 0;
        }
        .section-head h2 {
            font-size: 28px;
        }
        .nav-toggle {
            display: block;
            margin-left: auto;
        }
        .nav-links {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-alt);
            flex-direction: column;
            align-items: stretch;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            border-radius: 0 0 16px 16px;
            gap: 4px;
            z-index: 999;
        }
        .nav-links.active {
            display: flex;
        }
        .nav-link {
            padding: 12px;
            font-size: 16px;
        }
        .nav-dropdown {
            width: 100%;
        }
        .mega-panel {
            position: static;
            width: 100%;
            opacity: 1;
            visibility: visible;
            transform: none;
            box-shadow: none;
            padding: 16px;
            display: none;
        }
        .mega-panel.active {
            display: block;
        }
        .mega-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .page-hero {
            padding: 60px 0 56px;
        }
        .page-hero h1 {
            font-size: 30px;
        }
        .page-hero p {
            font-size: 15px;
        }
        .channel-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .news-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .stat-item .stat-num {
            font-size: 32px;
        }
        .feature-grid {
            grid-template-columns: 1fr;
        }
        .cta-section h2 {
            font-size: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }
    @media screen and (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .brand-logo span {
            font-size: 19px;
        }
        .brand-logo i {
            font-size: 20px;
            width: 36px;
            height: 36px;
        }
        .page-hero {
            padding: 48px 0 44px;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .hero-actions {
            flex-direction: column;
        }
        .hero-actions .btn-primary,
        .hero-actions .btn-outline-light {
            width: 100%;
            justify-content: center;
        }
        .channel-grid {
            grid-template-columns: 1fr;
        }
        .hot-image {
            min-height: 260px;
        }
        .feature-card {
            flex-direction: column;
            align-items: flex-start;
        }
        .faq-item summary {
            font-size: 15px;
            padding: 16px 18px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .stats-grid {
            gap: 12px;
        }
        .stat-item .stat-num {
            font-size: 28px;
        }
        .stat-item .stat-label {
            font-size: 13px;
        }
    }

/* roulang page: article */
:root{
    --bg-dark:#0b1020;
    --bg-body:#0b1020;
    --bg-surface:#111827;
    --bg-card:#1b2436;
    --bg-hover:#243047;
    --bg-elevated:#1e293b;
    --primary:#f7b731;
    --primary-hover:#ffcb5c;
    --primary-dark:#d69a1e;
    --accent:#4ecdc4;
    --accent-hover:#6fe0d8;
    --text-main:#f1f5f9;
    --text-secondary:#cbd5e1;
    --text-muted:#8b9bb4;
    --border:rgba(255,255,255,0.08);
    --border-light:rgba(255,255,255,0.16);
    --radius-sm:8px;
    --radius-md:14px;
    --radius-lg:22px;
    --shadow-sm:0 2px 8px rgba(0,0,0,0.24);
    --shadow-md:0 8px 28px rgba(0,0,0,0.35);
    --shadow-lg:0 16px 48px rgba(0,0,0,0.45);
    --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
    --transition:all 0.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--bg-body);
    color:var(--text-main);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.hidden{display:none !important;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* Header */
.site-header{
    position:sticky;top:0;z-index:1000;
    background:rgba(11,16,32,0.92);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border);
}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:72px;gap:16px;
}
.brand-logo{
    display:inline-flex;align-items:center;gap:10px;
    font-size:1.3rem;font-weight:800;color:var(--text-main);
    letter-spacing:0.02em;white-space:nowrap;
}
.brand-logo i{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#0b1020;font-size:1.1rem;
    box-shadow:0 4px 14px rgba(247,183,49,0.35);
}
.nav-toggle{
    display:none;background:transparent;border:1px solid var(--border);
    color:var(--text-main);width:42px;height:42px;border-radius:10px;
    font-size:1.1rem;align-items:center;justify-content:center;
    transition:var(--transition);
}
.nav-toggle:hover{background:rgba(255,255,255,0.06);}
.main-nav{
    display:flex;align-items:center;gap:4px;
}
.nav-link{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 17px;border-radius:999px;
    font-size:0.94rem;font-weight:600;
    color:var(--text-secondary);
    transition:var(--transition);
    white-space:nowrap;
}
.nav-link i{font-size:0.72rem;}
.nav-link:hover{
    color:var(--text-main);background:rgba(255,255,255,0.06);
    transform:translateY(-1px);
}
.nav-link.active{
    color:#0b1020;
    background:linear-gradient(135deg,var(--primary),#ffd97a);
    box-shadow:0 4px 16px rgba(247,183,49,0.35);
    font-weight:800;
}
.nav-dropdown{position:relative;}
.nav-dropdown .nav-link{cursor:pointer;}
.mega-panel{
    position:absolute;top:calc(100% + 14px);right:-10px;
    min-width:460px;
    background:var(--bg-surface);
    border:1px solid var(--border-light);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-lg);
    padding:22px;
    opacity:0;visibility:hidden;
    transform:translateY(10px);
    transition:var(--transition);
    z-index:200;
}
.nav-dropdown:hover .mega-panel,
.nav-dropdown:focus-within .mega-panel{
    opacity:1;visibility:visible;transform:translateY(0);
}
.mega-panel::before{
    content:'';position:absolute;top:-12px;right:24px;
    border:7px solid transparent;border-bottom-color:var(--border-light);
}
.mega-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.mega-grid h4{
    font-size:0.82rem;font-weight:800;letter-spacing:0.08em;
    text-transform:uppercase;color:var(--text-muted);
    margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border);
}
.mega-links{display:flex;flex-direction:column;gap:4px;}
.mega-links a{
    display:flex;align-items:center;gap:10px;
    padding:8px 10px;border-radius:8px;
    font-size:0.9rem;font-weight:500;color:var(--text-secondary);
    transition:var(--transition);
}
.mega-links a:hover{
    background:rgba(255,255,255,0.06);color:var(--primary);padding-left:14px;
}
.mega-links a i{
    width:20px;text-align:center;font-size:0.8rem;color:var(--accent);
}
.mega-links a .fa-circle{font-size:0.4rem;color:var(--primary);}
.mega-empty{
    font-size:0.85rem;color:var(--text-muted);padding:6px 2px;
}

/* Page Banner */
.page-banner{
    position:relative;
    padding:64px 0 40px;
    background:linear-gradient(to right,rgba(11,16,32,0.92),rgba(11,16,32,0.62)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-bottom:1px solid var(--border);
}
.breadcrumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:0.84rem;color:var(--text-muted);
    margin-bottom:18px;
}
.breadcrumb a{color:var(--text-muted);transition:var(--transition);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:0.65rem;color:var(--text-muted);opacity:0.6;}
.breadcrumb .current{color:var(--text-secondary);font-weight:600;}
.banner-title{
    font-size:2.1rem;font-weight:800;line-height:1.35;
    margin:0;color:var(--text-main);
    max-width:860px;
}

/* Article Section */
.article-section{padding:48px 0 56px;}
.article-main-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;}
.article-box{
    background:var(--bg-surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-md);
}
.article-header{padding:32px 36px 22px;}
.article-category{
    display:inline-flex;align-items:center;gap:7px;
    background:rgba(78,205,196,0.12);
    border:1px solid rgba(78,205,196,0.3);
    color:var(--accent);
    font-size:0.8rem;font-weight:700;
    padding:5px 14px;border-radius:999px;
    margin-bottom:14px;
}
.article-category i{font-size:0.72rem;}
.article-title{
    font-size:1.85rem;line-height:1.4;font-weight:800;
    color:var(--text-main);margin:0 0 16px;
}
.article-meta{
    display:flex;align-items:center;flex-wrap:wrap;gap:16px;
    font-size:0.85rem;color:var(--text-muted);
    padding-bottom:20px;border-bottom:1px solid var(--border);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:var(--primary);font-size:0.8rem;}
.article-cover{
    width:100%;height:380px;overflow:hidden;
    margin:0;
}
.article-cover img{
    width:100%;height:100%;object-fit:cover;
    transition:transform 0.6s ease;
}
.article-cover:hover img{transform:scale(1.03);}
.article-content{
    padding:30px 36px 38px;
    font-size:1.02rem;line-height:1.95;
    color:var(--text-secondary);
    word-break:break-word;
}
.article-content p{margin:0 0 20px;}
.article-content h2{
    font-size:1.35rem;font-weight:800;color:var(--text-main);
    margin:32px 0 14px;
    display:flex;align-items:center;gap:10px;
}
.article-content h2::before{
    content:'';width:4px;height:20px;border-radius:4px;
    background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-content h3{
    font-size:1.15rem;font-weight:700;color:var(--text-main);margin:24px 0 12px;
}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:24px;}
.article-content li{margin-bottom:8px;}
.article-content blockquote{
    margin:24px 0;padding:16px 22px;
    background:rgba(247,183,49,0.08);
    border-left:4px solid var(--primary);
    border-radius:0 12px 12px 0;
    color:var(--text-main);font-style:normal;
}
.article-content a{color:var(--accent);border-bottom:1px solid rgba(78,205,196,0.4);}
.article-content a:hover{color:var(--accent-hover);border-bottom-color:var(--accent);}
.article-content table{
    width:100%;border-collapse:collapse;margin:24px 0;
    font-size:0.92rem;
}
.article-content table th,.article-content table td{
    border:1px solid var(--border-light);padding:10px 14px;text-align:left;
}
.article-content table th{background:rgba(255,255,255,0.04);font-weight:700;color:var(--text-main);}
.article-content img{border-radius:var(--radius-md);margin:20px 0;}
.article-tags{
    display:flex;align-items:center;flex-wrap:wrap;gap:10px;
    padding:0 36px 28px;
}
.article-tags .tag-label{
    font-size:0.82rem;color:var(--text-muted);font-weight:700;
    display:inline-flex;align-items:center;gap:6px;
}
.article-tags a{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 14px;border-radius:999px;
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border);
    font-size:0.8rem;font-weight:600;color:var(--text-secondary);
    transition:var(--transition);
}
.article-tags a:hover{
    border-color:var(--primary);color:var(--primary);
    background:rgba(247,183,49,0.08);
}
.article-share{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
    padding:20px 36px;
    border-top:1px solid var(--border);
    background:rgba(0,0,0,0.12);
}
.share-label{font-size:0.85rem;color:var(--text-muted);display:inline-flex;align-items:center;gap:8px;}
.share-btns{display:flex;gap:8px;}
.share-btn{
    width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;border:1px solid var(--border);
    color:var(--text-secondary);font-size:0.9rem;
    background:transparent;transition:var(--transition);
}
.share-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.share-btn.wechat:hover{background:#2ecc71;color:#fff;border-color:#2ecc71;}
.share-btn.sina:hover{background:#e74c3c;color:#fff;border-color:#e74c3c;}
.share-btn.qq:hover{background:#3498db;color:#fff;border-color:#3498db;}

/* Not Found */
.not-found-box{
    padding:70px 40px;text-align:center;
    background:var(--bg-surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-md);
}
.not-found-icon{
    width:84px;height:84px;margin:0 auto 24px;
    display:flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:rgba(247,183,49,0.1);
    border:1px solid rgba(247,183,49,0.3);
    font-size:1.8rem;color:var(--primary);
}
.not-found-box h1{font-size:1.6rem;font-weight:800;margin:0 0 10px;}
.not-found-box p{color:var(--text-muted);margin-bottom:24px;}

/* Sidebar */
.sidebar{
    display:flex;flex-direction:column;gap:24px;
    position:sticky;top:92px;
}
.sidebar-card{
    background:var(--bg-surface);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:24px;
    box-shadow:var(--shadow-sm);
}
.sidebar-title{
    font-size:1.02rem;font-weight:800;color:var(--text-main);
    margin:0 0 16px;
    display:flex;align-items:center;gap:10px;
    padding-bottom:12px;border-bottom:1px solid var(--border);
}
.sidebar-title i{color:var(--primary);}
.latest-list{list-style:none;display:flex;flex-direction:column;}
.latest-list li{
    padding:10px 0;
    border-bottom:1px solid var(--border);
    transition:var(--transition);
}
.latest-list li:last-child{border-bottom:none;}
.latest-list a{
    display:flex;gap:12px;align-items:flex-start;
}
.latest-list .li-thumb{
    width:72px;height:54px;border-radius:var(--radius-sm);
    object-fit:cover;flex-shrink:0;
    border:1px solid var(--border);
    transition:var(--transition);
}
.latest-list a:hover .li-thumb{transform:scale(1.05);border-color:var(--primary);}
.latest-list .li-info{flex:1;min-width:0;}
.latest-list .li-title{
    font-size:0.88rem;font-weight:600;line-height:1.5;color:var(--text-secondary);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:var(--transition);
}
.latest-list a:hover .li-title{color:var(--primary);}
.latest-list .li-date{font-size:0.75rem;color:var(--text-muted);margin-top:4px;}
.cat-list{display:flex;flex-direction:column;gap:4px;}
.cat-list a{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 12px;border-radius:10px;
    font-size:0.88rem;font-weight:600;color:var(--text-secondary);
    transition:var(--transition);
}
.cat-list a:hover{background:rgba(255,255,255,0.05);color:var(--primary);padding-left:16px;}
.cat-list a i{font-size:0.75rem;color:var(--text-muted);}
.sidebar-cta{
    background:linear-gradient(135deg,rgba(247,183,49,0.12),rgba(78,205,196,0.1));
    border:1px solid rgba(247,183,49,0.2);
}
.sidebar-cta p{font-size:0.88rem;color:var(--text-secondary);margin:0 0 16px;}
.btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 26px;
    background:linear-gradient(135deg,var(--primary),#ffd97a);
    color:#0b1020;font-weight:800;font-size:0.95rem;
    border:none;border-radius:999px;
    box-shadow:0 6px 18px rgba(247,183,49,0.3);
    transition:var(--transition);
}
.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 28px rgba(247,183,49,0.42);
    color:#0b1020;
}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 24px;
    border:1px solid var(--border-light);border-radius:999px;
    color:var(--text-secondary);font-weight:700;font-size:0.9rem;
    background:transparent;transition:var(--transition);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-block{width:100%;}

/* Related Section */
.related-section{
    padding:0 0 56px;
}
.related-header{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:28px;
}
.related-title{
    font-size:1.5rem;font-weight:800;margin:0;
    display:flex;align-items:center;gap:12px;
}
.related-title i{color:var(--primary);}
.related-link{
    font-size:0.85rem;color:var(--text-muted);
    display:inline-flex;align-items:center;gap:8px;
    transition:var(--transition);
}
.related-link:hover{color:var(--primary);}
.related-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.article-card{
    background:var(--bg-card);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    overflow:hidden;
    transition:var(--transition);
    display:flex;flex-direction:column;
}
.article-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow-lg);
    border-color:rgba(247,183,49,0.35);
}
.article-card .card-thumb{
    width:100%;height:180px;overflow:hidden;position:relative;
}
.article-card .card-thumb img{
    width:100%;height:100%;object-fit:cover;
    transition:transform 0.5s ease;
}
.article-card:hover .card-thumb img{transform:scale(1.08);}
.card-badge{
    position:absolute;top:12px;left:12px;
    background:rgba(11,16,32,0.85);
    backdrop-filter:blur(6px);
    color:var(--primary);font-size:0.72rem;font-weight:800;
    padding:4px 12px;border-radius:999px;
    border:1px solid rgba(247,183,49,0.3);
    z-index:2;
}
.article-card .card-body{flex:1;padding:18px;display:flex;flex-direction:column;gap:10px;}
.article-card .card-title{
    font-size:0.98rem;font-weight:700;line-height:1.55;
    color:var(--text-main);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:var(--transition);
}
.article-card:hover .card-title{color:var(--primary);}
.article-card .card-excerpt{
    font-size:0.82rem;line-height:1.7;color:var(--text-muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-card .card-foot{
    display:flex;align-items:center;justify-content:space-between;
    font-size:0.76rem;color:var(--text-muted);
    padding-top:12px;border-top:1px solid var(--border);
    margin-top:auto;
}
.article-card .card-foot span{display:inline-flex;align-items:center;gap:6px;}
.article-card .card-foot i{font-size:0.7rem;color:var(--accent);}
.article-card .read-link{color:var(--accent);font-weight:600;transition:var(--transition);}
.article-card .read-link:hover{color:var(--accent-hover);padding-right:2px;}

/* FAQ Section */
.faq-section{
    padding:56px 0;
    background:var(--bg-surface);
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
}
.faq-header{text-align:center;margin-bottom:40px;}
.faq-header .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:0.8rem;font-weight:800;letter-spacing:0.1em;
    color:var(--primary);text-transform:uppercase;
    margin-bottom:10px;
}
.faq-header h2{
    font-size:1.7rem;font-weight:800;margin:0 0 10px;color:var(--text-main);
}
.faq-header p{color:var(--text-muted);font-size:0.95rem;margin:0;}
.faq-list{
    max-width:880px;margin:0 auto;
    display:flex;flex-direction:column;gap:14px;
}
.faq-item{
    background:var(--bg-card);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    overflow:hidden;
    transition:var(--transition);
}
.faq-item:hover{border-color:var(--border-light);}
.faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;
    cursor:pointer;
    font-size:1rem;font-weight:700;color:var(--text-main);
    list-style:none;
    transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary .faq-icon{
    width:30px;height:30px;flex-shrink:0;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;
    border:1px solid var(--border-light);
    font-size:0.72rem;color:var(--primary);
    transition:var(--transition);
}
.faq-item[open] summary .faq-icon{
    background:var(--primary);color:#0b1020;
    transform:rotate(180deg);
}
.faq-item .faq-body{
    padding:0 24px 20px;
    color:var(--text-secondary);font-size:0.92rem;line-height:1.85;
}

/* CTA Section */
.cta-section{
    padding:56px 0;
}
.cta-box{
    position:relative;
    background:linear-gradient(135deg,#16213e,#0e1629);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    padding:52px 48px;
    text-align:center;
    overflow:hidden;
    box-shadow:var(--shadow-md);
}
.cta-box::before{
    content:'';position:absolute;top:-60px;right:-60px;
    width:220px;height:220px;border-radius:50%;
    background:rgba(247,183,49,0.1);
    filter:blur(60px);
}
.cta-box::after{
    content:'';position:absolute;bottom:-40px;left:-40px;
    width:160px;height:160px;border-radius:50%;
    background:rgba(78,205,196,0.1);
    filter:blur(55px);
}
.cta-box h2{
    font-size:1.7rem;font-weight:800;margin:0 0 12px;color:var(--text-main);
    position:relative;z-index:1;
}
.cta-box p{
    font-size:1rem;color:var(--text-muted);margin:0 0 28px;
    max-width:560px;margin-left:auto;margin-right:auto;
    position:relative;z-index:1;
}
.cta-actions{
    display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
    position:relative;z-index:1;
}

/* Footer */
.site-footer{
    background:#0a0e1a;
    border-top:1px solid var(--border);
    padding:56px 0 0;
}
.footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:40px;
}
.footer-brand .brand-logo{margin-bottom:16px;}
.footer-brand p{
    font-size:0.88rem;line-height:1.8;color:var(--text-muted);
    max-width:340px;margin:0;
}
.footer-col h4{
    font-size:0.95rem;font-weight:800;color:var(--text-main);
    margin:0 0 16px;
}
.footer-col a{
    display:block;
    font-size:0.86rem;color:var(--text-muted);
    padding:6px 0;
    transition:var(--transition);
}
.footer-col a:hover{color:var(--primary);padding-left:6px;}
.footer-bottom{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
    padding:22px 0;
    border-top:1px solid var(--border);
    font-size:0.82rem;color:var(--text-muted);
}
.legal-links{display:flex;gap:20px;flex-wrap:wrap;}
.legal-links a{color:var(--text-muted);transition:var(--transition);}
.legal-links a:hover{color:var(--primary);}

/* Responsive */
@media (max-width:1024px){
    .article-main-grid{grid-template-columns:1fr;}
    .sidebar{position:static;}
    .related-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .banner-title{font-size:1.7rem;}
}
@media (max-width:768px){
    .header-inner{height:64px;position:relative;}
    .nav-toggle{
        display:inline-flex;
    }
    .main-nav{
        position:absolute;top:64px;left:0;right:0;
        background:var(--bg-surface);
        border-bottom:1px solid var(--border);
        box-shadow:var(--shadow-lg);
        flex-direction:column;align-items:stretch;
        padding:12px 20px;gap:4px;
        opacity:0;visibility:hidden;transform:translateY(-8px);
        transition:var(--transition);
        max-height:calc(100vh - 70px);overflow-y:auto;
    }
    .main-nav.open{
        opacity:1;visibility:visible;transform:translateY(0);
    }
    .main-nav .nav-link{
        justify-content:flex-start;
        padding:12px 16px;
        border-radius:10px;
    }
    .nav-dropdown{width:100%;}
    .nav-dropdown .nav-link{width:100%;}
    .mega-panel{
        position:static;min-width:0;width:100%;
        box-shadow:none;
        opacity:1;visibility:visible;transform:none;
        margin-top:6px;
        border:1px solid var(--border);
        border-radius:10px;
        padding:16px;
    }
    .mega-panel::before{display:none;}
    .mega-grid{grid-template-columns:1fr;gap:16px;}
    .page-banner{padding:44px 0 28px;}
    .banner-title{font-size:1.4rem;}
    .article-header{padding:24px 22px 18px;}
    .article-title{font-size:1.4rem;}
    .article-cover{height:240px;}
    .article-content{padding:22px;}
    .article-tags{padding:0 22px 22px;}
    .article-share{padding:16px 22px;}
    .cta-box{padding:36px 24px;}
    .cta-box h2{font-size:1.35rem;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
}
@media (max-width:520px){
    .related-grid{grid-template-columns:1fr;}
    .article-main-grid{display:block;}
    .article-cover{height:200px;}
    .article-meta{gap:10px;font-size:0.78rem;}
    .share-btns{gap:6px;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%;}
    .brand-logo{font-size:1.1rem;}
    .brand-logo i{width:34px;height:34px;font-size:0.95rem;border-radius:10px;}
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-deep: #0d1b36;
            --primary-light: #274a7a;
            --accent: #e8a33d;
            --accent-hover: #d18f2c;
            --accent-bg: rgba(232, 163, 61, 0.12);
            --bg: #f5f7fb;
            --bg-alt: #eef1f7;
            --bg-dark: #0d1b36;
            --bg-card: #ffffff;
            --text: #1e2836;
            --text-light: #4b5c70;
            --text-muted: #8192a8;
            --border: #e2e8f2;
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow-sm: 0 4px 12px rgba(20, 35, 60, 0.06);
            --shadow: 0 12px 32px rgba(20, 35, 60, 0.08);
            --shadow-lg: 0 24px 48px rgba(20, 35, 60, 0.12);
            --space-section: 90px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        a:hover {
            color: inherit;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        li {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 6px 16px rgba(232, 163, 61, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(232, 163, 61, 0.4);
            color: #1a1a1a;
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(232, 163, 61, 0.4);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #ffffff;
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #ffffff;
            color: var(--primary);
            font-weight: 700;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
            color: var(--primary);
        }

        .btn-dark {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-dark:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 82px;
            padding: 0 12px;
            background: transparent;
            position: relative;
            z-index: 100;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .main-nav .nav-link:hover {
            background: var(--accent-bg);
            color: var(--primary);
        }

        .main-nav .nav-link.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(26, 42, 74, 0.3);
        }

        .main-nav .nav-link i {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: -200px;
            width: 460px;
            background: #ffffff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
            border: 1px solid var(--border);
            z-index: 999;
        }

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

        .mega-grid h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 10px;
            font-size: 0.88rem;
            color: var(--text);
            transition: var(--transition);
        }

        .mega-links a:hover {
            background: var(--accent-bg);
            color: var(--primary);
            transform: translateX(3px);
        }

        .mega-links a i {
            color: var(--accent);
            font-size: 0.8rem;
            width: 16px;
            text-align: center;
        }

        .mega-links a span {
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }

        .site-header .grid-x {
            align-items: center;
            height: 82px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            padding: 8px 0;
        }

        .brand-logo i {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
        }

        .brand-logo span {
            letter-spacing: 0.02em;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 50px;
            padding: 0 6px 0 16px;
            height: 42px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.12);
        }

        .header-search input {
            background: transparent;
            border: none;
            font-size: 0.88rem;
            width: 150px;
            color: var(--text);
        }

        .header-search button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--primary-light);
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            color: var(--primary);
            border: 1px solid var(--border);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 90px;
            background: linear-gradient(135deg, rgba(13, 27, 54, 0.92), rgba(26, 42, 74, 0.75)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 50px;
            padding: 7px 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

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

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .page-hero h1 span {
            background: linear-gradient(135deg, var(--accent), #f7c66b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 34px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-meta {
            display: flex;
            gap: 16px;
            margin-top: 44px;
            flex-wrap: wrap;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-meta-item i {
            color: var(--accent);
        }

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

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

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

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 60px;
        }

        .section-tag {
            display: inline-block;
            background: var(--accent-bg);
            color: #b3781e;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        /* ===== 核心服务特色 ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

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

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

        .feature-icon {
            width: 62px;
            height: 62px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.45rem;
            color: #fff;
            margin-bottom: 24px;
            box-shadow: 0 8px 20px rgba(26, 42, 74, 0.22);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, #e8a33d, #f7c66b);
            box-shadow: 0 8px 20px rgba(232, 163, 61, 0.25);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #2e7d6f, #3eb7a5);
            box-shadow: 0 8px 20px rgba(46, 125, 111, 0.22);
        }

        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #5b6bd6, #8b96ec);
            box-shadow: 0 8px 20px rgba(91, 107, 214, 0.22);
        }

        .feature-card h3 {
            font-size: 1.18rem;
            color: var(--text);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.75;
        }

        /* ===== 服务分类展示 ===== */
        .service-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 340px;
            box-shadow: var(--shadow);
            display: block;
            transition: var(--transition);
        }

        .service-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .service-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 27, 54, 0.9) 0%, rgba(13, 27, 54, 0.35) 45%, transparent 70%);
            border-radius: var(--radius-lg);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

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

        .service-card-content {
            position: absolute;
            left: 24px;
            right: 24px;
            bottom: 22px;
            z-index: 2;
            color: #fff;
        }

        .service-card-content .service-tag {
            display: inline-block;
            background: var(--accent);
            color: #1a1a1a;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .service-card-content h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .service-card-content p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== 服务流程 ===== */
        .process-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -120px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.15), transparent 70%);
            border-radius: 50%;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }

        .process-section .section-tag {
            background: rgba(232, 163, 61, 0.18);
            color: var(--accent);
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 36px 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            transition: var(--transition);
            height: 100%;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-5px);
            border-color: rgba(232, 163, 61, 0.3);
        }

        .process-step .step-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px rgba(232, 163, 61, 0.6);
            margin-bottom: 14px;
            line-height: 1;
        }

        .process-step .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 18px;
            background: rgba(232, 163, 61, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent);
        }

        .process-step h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 数据保障 ===== */
        .stats-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #f8f9fc, #eef1f7);
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

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

        .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .stat-divider {
            width: 32px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            margin: 0 auto 16px;
            border-radius: 3px;
        }

        /* ===== 资讯列表 ===== */
        .news-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            margin-bottom: 0;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .news-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 14px;
            background: var(--accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #b3781e;
        }

        .news-info {
            flex: 1;
        }

        .news-info h3 {
            font-size: 1.02rem;
            margin-bottom: 6px;
            color: var(--text);
            transition: var(--transition);
            line-height: 1.5;
        }

        .news-info h3:hover {
            color: var(--primary);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-meta .badge {
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 50px;
            font-weight: 600;
        }

        .news-meta .badge.accent {
            background: var(--accent);
            color: #1a1a1a;
        }

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

        .faq-item {
            margin-bottom: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            box-shadow: var(--shadow-sm);
            border-color: var(--accent);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            justify-content: space-between;
        }

        .faq-question .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .faq-question .faq-num {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--accent-bg);
            color: #b3781e;
            font-size: 0.75rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .faq-answer-inner {
            padding-bottom: 22px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary-deep), var(--primary));
            overflow: hidden;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            margin-bottom: 14px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0a1528;
            padding: 70px 0 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-logo i {
            background: linear-gradient(135deg, var(--accent), #f7c66b);
            color: #1a1a1a;
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 340px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 600;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 0.88rem;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }

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

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }

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

        /* ===== 辅助组件 ===== */
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .section-link:hover {
            color: var(--accent);
            gap: 12px;
        }

        .text-center {
            text-align: center;
        }

        .mt-1 {
            margin-top: 10px;
        }

        .mt-2 {
            margin-top: 20px;
        }

        .mt-3 {
            margin-top: 30px;
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 4px;
            }
            .main-nav .nav-link {
                padding: 10px 12px;
                font-size: 0.88rem;
            }
            .header-search input {
                width: 100px;
            }
            .mega-panel {
                right: -120px;
            }
            :root {
                --space-section: 70px;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
            .service-card {
                height: 300px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .header-right .header-search {
                display: none;
            }
            .main-nav {
                position: fixed;
                top: 82px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                height: auto;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow);
                border-radius: 0 0 var(--radius) var(--radius);
                display: none;
                overflow-y: auto;
                max-height: calc(100vh - 82px);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav .nav-link {
                width: 100%;
                border-radius: 12px;
            }
            .nav-dropdown {
                width: 100%;
            }
            .nav-dropdown:hover .mega-panel {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                width: 100%;
                box-shadow: none;
                margin-top: 8px;
                border: 1px solid var(--border);
                padding: 16px;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .site-brand {
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
            .page-hero {
                padding: 150px 0 60px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .page-hero p {
                font-size: 0.98rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 1.7rem;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .feature-card {
                padding: 28px 22px;
            }
            .service-card {
                height: 260px;
            }
            .process-step {
                margin-bottom: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .cta-content h2 {
                font-size: 1.9rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                justify-content: center;
            }
            .hero-meta {
                flex-direction: column;
                gap: 10px;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-number {
                font-size: 2rem;
            }
            .mega-panel {
                right: auto;
                left: 0;
                width: 100%;
            }
        }

        /* ===== Foundation 兼容 ===== */
        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .grid-container.fluid {
            max-width: 100%;
            padding-left: 24px;
            padding-right: 24px;
        }

/* roulang page: category2 */
:root {
            --primary: #0e1a2b;
            --primary-light: #1c2f45;
            --accent: #e94560;
            --accent-dark: #c92e4e;
            --gold: #f8c150;
            --light-bg: #f4f6fa;
            --dark-bg: #0b1522;
            --card-bg: #ffffff;
            --dark-card: #16233a;
            --text: #1e2a3a;
            --text-light: #6b7a8f;
            --border: #e3e9f0;
            --radius: 16px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: #ffffff;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            background: transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        .btn-gold {
            background: var(--gold);
            color: #1e2a3a;
            box-shadow: 0 4px 14px rgba(248, 193, 80, 0.3);
        }

        .btn-gold:hover {
            background: #e6ae3d;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(248, 193, 80, 0.4);
            color: #1e2a3a;
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(233, 69, 96, 0.4);
            outline-offset: 2px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
            border-bottom: 1px solid var(--border);
            height: 74px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .brand-logo i {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ff8a65);
            color: #fff;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
        }

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

        .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 999px;
            position: relative;
        }

        .nav-link:hover {
            background: rgba(233, 69, 96, 0.08);
            color: var(--accent);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-link i {
            font-size: 11px;
            margin-left: 6px;
            opacity: 0.7;
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            width: 560px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
        }

        .nav-dropdown:hover .mega-panel,
        .nav-dropdown:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .mega-grid h4 {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-light);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
        }

        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text);
            transition: var(--transition);
        }

        .mega-links a:hover {
            background: rgba(233, 69, 96, 0.06);
            color: var(--accent);
            transform: translateX(4px);
        }

        .mega-links a i {
            font-size: 14px;
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .mega-links a i.fa-circle {
            font-size: 6px;
            color: var(--gold);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--light-bg);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            border: none;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent);
        }

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

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            padding: 90px 0 80px;
            background: var(--dark-bg);
            overflow: hidden;
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
        }

        .banner-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 26, 43, 0.7) 0%, rgba(11, 21, 34, 0.95) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .banner-content h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .banner-content h1 span {
            color: var(--gold);
        }

        .banner-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
        }

        .breadcrumb a:hover {
            color: var(--gold);
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .banner-badge i {
            color: var(--gold);
        }

        /* ===== 通用版块 ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-dark {
            background: var(--dark-bg);
            color: #fff;
        }

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

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-dark .section-head h2,
        .section-primary .section-head h2 {
            color: #fff;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .section-dark .section-head p,
        .section-primary .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-head::after {
            content: '';
            display: block;
            width: 64px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            border-radius: 999px;
            margin: 20px auto 0;
        }

        /* ===== 登录方式卡片 ===== */
        .login-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }

        .login-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(233, 69, 96, 0.2);
        }

        .login-card .card-icon {
            width: 76px;
            height: 76px;
            margin: 0 auto 24px;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(248, 193, 80, 0.12));
            color: var(--accent);
            transition: var(--transition);
        }

        .login-card:hover .card-icon {
            background: linear-gradient(135deg, var(--accent), #ff8a65);
            color: #fff;
            transform: scale(1.05) rotate(-3deg);
        }

        .login-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .login-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        .login-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }

        .login-card .card-link:hover {
            gap: 10px;
        }

        /* ===== 登录流程 ===== */
        .steps-section {
            background: linear-gradient(180deg, #0f1f36 0%, #0b1522 100%);
            color: #fff;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border-radius: var(--radius);
            padding: 32px 20px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            border-color: rgba(248, 193, 80, 0.4);
        }

        .step-num {
            width: 48px;
            height: 48px;
            line-height: 48px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #ff8a65);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.4);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        /* ===== 安全提醒 ===== */
        .safety-wrap {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 48px;
        }

        .safety-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .safety-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            border-radius: 12px;
            background: var(--light-bg);
            transition: var(--transition);
        }

        .safety-item:hover {
            background: rgba(233, 69, 96, 0.06);
            transform: translateX(4px);
        }

        .safety-item .safety-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(233, 69, 96, 0.12);
            color: var(--accent);
        }

        .safety-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .safety-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .safety-tip-banner {
            display: flex;
            align-items: center;
            gap: 14px;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.08), rgba(248, 193, 80, 0.08));
            border: 1px dashed var(--accent);
            border-radius: 14px;
            padding: 20px 24px;
            margin-top: 32px;
        }

        .safety-tip-banner i {
            font-size: 28px;
            color: var(--accent);
        }

        .safety-tip-banner p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
        }

        /* ===== 内容卡片 ===== */
        .content-card {
            display: flex;
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(233, 69, 96, 0.2);
        }

        .content-card .card-media {
            width: 160px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .content-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .content-card:hover .card-media img {
            transform: scale(1.08);
        }

        .content-card .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 0%, rgba(11, 21, 34, 0.08) 100%);
        }

        .content-card .card-body {
            padding: 24px 24px 20px;
            flex: 1;
        }

        .content-card .card-body .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent);
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .content-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .content-card .card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }

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

        .content-card .card-meta a {
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 统计条 ===== */
        .stats-bar {
            background: linear-gradient(135deg, #0f1f36 0%, #1c2f45 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .stats-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
        }

        .stat-item {
            text-align: center;
            padding: 20px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-item .stat-num {
            display: block;
            font-size: 38px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== FAQ ===== */
        .accordion {
            max-width: 860px;
            margin: 0 auto;
            list-style: none;
            background: transparent;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
            overflow: hidden;
        }

        .accordion-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(233, 69, 96, 0.2);
        }

        .accordion-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .accordion-title:hover {
            color: var(--accent);
        }

        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .accordion-content {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(233, 69, 96, 0.2);
            border-radius: 50%;
            filter: blur(40px);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: rgba(248, 193, 80, 0.15);
            border-radius: 50%;
            filter: blur(50px);
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #08101a;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--gold);
            padding-left: 6px;
        }

        .footer-bottom {
            padding: 24px 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .legal-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .legal-links a:hover {
            color: var(--gold);
        }

        /* ===== 额外组件 ===== */
        .section-note {
            text-align: center;
            color: var(--text-light);
            font-size: 14px;
            margin-top: 24px;
        }

        .section-dark .section-note {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

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

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

        @media (max-width: 820px) {
            .site-header {
                height: 64px;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
                display: none;
                z-index: 999;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
                border-bottom: 1px solid var(--border);
            }

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

            .nav-link {
                padding: 14px 20px;
                border-radius: 12px;
                text-align: left;
            }

            .nav-dropdown {
                width: 100%;
            }

            .nav-dropdown .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                padding: 12px 0 0 16px;
                margin-top: 8px;
            }

            .nav-dropdown .mega-panel .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .page-banner {
                padding: 64px 0 56px;
            }

            .banner-content h1 {
                font-size: 32px;
            }

            .banner-content p {
                font-size: 16px;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .login-card {
                margin-bottom: 16px;
            }

            .content-card .card-media {
                width: 130px;
            }

            .stats-bar {
                padding: 32px 20px;
            }

            .cta-box {
                padding: 48px 24px;
            }
        }

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

            .brand-logo span {
                font-size: 17px;
            }

            .banner-content h1 {
                font-size: 26px;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

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

            .safety-wrap {
                padding: 24px;
            }

            .content-card {
                flex-direction: column;
            }

            .content-card .card-media {
                width: 100%;
                height: 160px;
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .accordion-title {
                font-size: 15px;
                padding: 18px 20px;
            }

            .accordion-content {
                padding: 0 20px 20px;
            }
        }