/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e1b4b;
            --primary-dark: #0f0a2e;
            --primary-light: #4c40f7;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --dark: #0f172a;
            --darker: #020617;
            --gray-bg: #f8fafc;
            --white: #ffffff;
            --text: #1e293b;
            --text-light: #6b7280;
            --text-lighter: #94a3b8;
            --border: rgba(15, 23, 42, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 32px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
            --font-base: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }
        ::selection {
            background: var(--accent);
            color: var(--dark);
        }
        :focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header .navbar-glass {
            background: rgba(15, 23, 42, 0.55);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            transition: var(--transition);
        }
        .site-header.scrolled .navbar-glass {
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--white) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .site-header.scrolled .navbar-brand {
            color: var(--dark) !important;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-full);
            margin: 0 2px;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover {
            color: var(--accent-light) !important;
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent) !important;
            background: rgba(245, 158, 11, 0.12);
            font-weight: 600;
        }
        .site-header.scrolled .navbar-nav .nav-link {
            color: var(--text) !important;
        }
        .site-header.scrolled .navbar-nav .nav-link:hover {
            color: var(--primary-light) !important;
            background: rgba(76, 64, 247, 0.08);
        }
        .site-header.scrolled .navbar-nav .nav-link.active {
            color: var(--primary-light) !important;
            background: rgba(76, 64, 247, 0.10);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            color: var(--white);
            font-size: 1.2rem;
        }
        .site-header.scrolled .navbar-toggler {
            border-color: var(--border);
            color: var(--text);
        }
        .btn-header {
            background: var(--accent);
            color: var(--dark) !important;
            border: none;
            border-radius: var(--radius-full);
            padding: 8px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }
        .btn-header:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(to bottom, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.66)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding-top: 160px;
            padding-bottom: 100px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(76, 64, 247, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 6px 18px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(10px);
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--dark) !important;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }
        .btn-hero-primary:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45);
        }
        .btn-hero-secondary {
            background: transparent;
            color: var(--white) !important;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-full);
            padding: 13px 32px;
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 52px;
            padding-top: 32px;
            border-top: 1px solid var(--border-light);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
        }
        .hero-stat .num i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 100px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(76, 64, 247, 0.08);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            line-height: 1.8;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .btn-outline-primary {
            border: 2px solid var(--primary-light);
            color: var(--primary-light) !important;
            border-radius: var(--radius-full);
            padding: 10px 28px;
            font-weight: 600;
            transition: var(--transition);
            background: transparent;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 27, 75, 0.2);
        }

        /* ===== 特性卡片 ===== */
        .features-section {
            background: var(--white);
        }
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(76, 64, 247, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-light);
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 8px 24px rgba(76, 64, 247, 0.3);
        }
        .feature-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .feature-text {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .categories-section {
            background: var(--gray-bg);
            position: relative;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 320px;
            display: block;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-8px);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card-body {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 24px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
            color: var(--white);
        }
        .category-card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 600;
        }
        .category-link i {
            transition: transform 0.3s ease;
        }
        .category-card:hover .category-link i {
            transform: translateX(5px);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 70%);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
        }
        .stat-item .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
        }
        .stat-item .num span {
            color: var(--accent);
        }
        .stat-item .label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }

        /* ===== 流程 ===== */
        .steps-section {
            background: var(--white);
        }
        .step-item {
            text-align: center;
            padding: 32px 24px;
            position: relative;
        }
        .step-number {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--white);
            box-shadow: 0 8px 24px rgba(76, 64, 247, 0.25);
            position: relative;
            z-index: 1;
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 68px;
            right: -50%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-light), transparent);
            z-index: 0;
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .step-text {
            color: var(--text-light);
            font-size: 0.92rem;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--gray-bg);
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }
        .news-category {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-lighter);
        }
        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-card h3 a {
            color: var(--text);
        }
        .news-card h3 a:hover {
            color: var(--primary-light);
        }
        .news-card p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            color: var(--text-light);
        }

        /* ===== 图文展示 ===== */
        .showcase-section {
            background: var(--white);
        }
        .showcase-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .showcase-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }
        .showcase-content p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .showcase-list {
            margin-top: 24px;
        }
        .showcase-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            color: var(--text);
            font-size: 0.95rem;
        }
        .showcase-list li i {
            color: var(--accent);
            margin-top: 4px;
        }

        /* ===== 评价 ===== */
        .testimonials-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .testimonials-section .section-title {
            color: var(--white);
        }
        .testimonials-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }
        .testimonial-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 20px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 24px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--dark);
            font-size: 0.9rem;
        }
        .testimonial-name {
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .testimonial-role {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--gray-bg);
        }
        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 600;
            color: var(--text);
            background: var(--white);
            padding: 20px 24px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(76, 64, 247, 0.03);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234c40f7' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23f59e0b' viewBox='0 0 16 16'%3E%3Cpath d='M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8z'/%3E%3C/svg%3E");
        }
        .accordion-body {
            padding: 0 24px 24px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
            background: var(--white);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            border-radius: 50%;
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 36px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-cta-primary {
            background: var(--accent);
            color: var(--dark) !important;
            border-radius: var(--radius-full);
            padding: 14px 40px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
        }
        .btn-cta-primary:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
        }
        .btn-cta-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: var(--white) !important;
            border-radius: var(--radius-full);
            padding: 13px 36px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 80px;
            padding-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
            max-width: 320px;
        }
        .footer-title {
            color: var(--white);
            font-weight: 600;
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-copy {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-legal a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
            margin-left: 20px;
            transition: var(--transition);
        }
        .footer-legal a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                border-right: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 72px 0;
            }
            .hero-section {
                padding-top: 140px;
                padding-bottom: 70px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 20px;
            }
            .hero-stat .num {
                font-size: 1.4rem;
            }
            .navbar-nav {
                background: rgba(15, 23, 42, 0.98);
                border-radius: var(--radius-md);
                padding: 12px;
                margin-top: 12px;
            }
            .site-header.scrolled .navbar-nav {
                background: var(--white);
                box-shadow: var(--shadow-sm);
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }
            .btn-header {
                margin-left: 12px;
                margin-top: 8px;
            }
            .step-item::after {
                display: none;
            }
            .footer-legal {
                margin-top: 8px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-legal a {
                margin-left: 10px;
                margin-right: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6d5efc;
            --primary-dark: #5245e0;
            --primary-light: #8b7dff;
            --secondary: #0fa3e3;
            --accent: #ffb347;
            --dark: #0e1024;
            --darker: #080a17;
            --light: #f4f6fc;
            --muted: #8a90a6;
            --border: #e6e9f2;
            --card-bg: #ffffff;
            --section-pad: 88px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(10, 12, 28, 0.06);
            --shadow-md: 0 10px 34px rgba(10, 12, 28, 0.09);
            --shadow-lg: 0 20px 60px rgba(10, 12, 28, 0.14);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background: var(--light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(8, 10, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .navbar-glass {
            background: rgba(14, 16, 36, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 14px;
            padding-bottom: 14px;
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header.scrolled .navbar-glass {
            background: rgba(8, 10, 23, 0.92);
            border-bottom-color: rgba(255, 255, 255, 0.06);
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.2px;
            text-shadow: 0 2px 14px rgba(109, 94, 252, 0.3);
        }

        .navbar-brand i {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 4px 14px rgba(109, 94, 252, 0.4);
        }

        .navbar-brand:hover {
            color: #fff !important;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: 999px;
            transition: all var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(109, 94, 252, 0.85), rgba(15, 163, 227, 0.75));
            box-shadow: 0 4px 16px rgba(109, 94, 252, 0.35);
        }

        .btn-header {
            background: linear-gradient(135deg, var(--accent), #ff9f43);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            padding: 9px 26px;
            border-radius: 999px;
            box-shadow: 0 6px 20px rgba(255, 179, 71, 0.35);
            transition: all var(--transition);
        }

        .btn-header:hover,
        .btn-header:focus {
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(255, 179, 71, 0.45);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 8px;
            padding: 6px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Hero ===== */
        .guide-hero {
            position: relative;
            padding: 170px 0 110px;
            background:
                linear-gradient(135deg, rgba(8, 10, 23, 0.82), rgba(14, 16, 36, 0.72)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .guide-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--light));
            pointer-events: none;
        }

        .guide-hero .breadcrumb-wrap {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(8px);
            margin-bottom: 28px;
        }

        .guide-hero .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.65);
        }

        .guide-hero .breadcrumb-wrap a:hover {
            color: var(--accent);
        }

        .guide-hero .breadcrumb-wrap i {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .guide-hero h1 {
            font-size: 3.1rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -1px;
            text-shadow: 0 4px 30px rgba(109, 94, 252, 0.25);
        }

        .guide-hero h1 span {
            background: linear-gradient(135deg, var(--accent), #ffd3a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .guide-hero .lead {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 620px;
            margin-bottom: 36px;
        }

        .guide-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 999px;
            box-shadow: 0 8px 28px rgba(109, 94, 252, 0.4);
            transition: all var(--transition);
        }

        .btn-hero-primary:hover,
        .btn-hero-primary:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(109, 94, 252, 0.5);
        }

        .btn-hero-ghost {
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.16);
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 999px;
            transition: all var(--transition);
        }

        .btn-hero-ghost:hover,
        .btn-hero-ghost:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .guide-hero-stats {
            display: flex;
            gap: 42px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-item .stat-num {
            font-size: 1.85rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== Section common ===== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(109, 94, 252, 0.08);
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
            border: 1px solid rgba(109, 94, 252, 0.16);
        }

        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--dark);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ===== Guide Category Cards ===== */
        .guide-cat-section {
            padding: 80px 0 20px;
        }

        .guide-cat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .guide-cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .guide-cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 94, 252, 0.25);
        }

        .guide-cat-card:hover::before {
            opacity: 1;
        }

        .guide-cat-card .cat-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 8px 22px rgba(109, 94, 252, 0.3);
        }

        .guide-cat-card:nth-child(2) .cat-icon {
            background: linear-gradient(135deg, var(--secondary), #0b7fb8);
            box-shadow: 0 8px 22px rgba(15, 163, 227, 0.3);
        }

        .guide-cat-card:nth-child(3) .cat-icon {
            background: linear-gradient(135deg, #f0932b, #f57c36);
            box-shadow: 0 8px 22px rgba(240, 147, 43, 0.3);
        }

        .guide-cat-card:nth-child(4) .cat-icon {
            background: linear-gradient(135deg, #00b894, #009e7e);
            box-shadow: 0 8px 22px rgba(0, 184, 148, 0.3);
        }

        .guide-cat-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .guide-cat-card p {
            font-size: 0.92rem;
            color: var(--muted);
            margin-bottom: 14px;
            line-height: 1.65;
        }

        .guide-cat-card .cat-link {
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-cat-card .cat-link i {
            transition: transform var(--transition);
        }

        .guide-cat-card:hover .cat-link i {
            transform: translateX(5px);
        }

        /* ===== Featured Guides ===== */
        .featured-guides {
            padding: 70px 0;
        }

        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition);
        }

        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 94, 252, 0.2);
        }

        .guide-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .guide-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .guide-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .guide-card .card-body {
            padding: 26px 26px 28px;
        }

        .guide-card .card-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(109, 94, 252, 0.08);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 12px;
            border: 1px solid rgba(109, 94, 252, 0.12);
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .guide-card h3 a {
            color: var(--dark);
        }

        .guide-card h3 a:hover {
            color: var(--primary);
        }

        .guide-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .guide-card .card-meta i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        .guide-card .card-meta .meta-heat {
            margin-left: auto;
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Steps Timeline ===== */
        .steps-section {
            background: linear-gradient(135deg, var(--dark), var(--darker));
            position: relative;
            overflow: hidden;
            padding: var(--section-pad) 0;
            color: #fff;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 560px;
            height: 560px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(109, 94, 252, 0.35), transparent 65%);
            pointer-events: none;
        }

        .steps-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 163, 227, 0.2), transparent 65%);
            pointer-events: none;
        }

        .steps-section .section-title {
            color: #fff;
        }

        .steps-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .steps-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .step-item {
            position: relative;
            padding: 30px 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-lg);
            height: 100%;
            backdrop-filter: blur(8px);
            transition: all var(--transition);
            z-index: 1;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.14);
            transform: translateY(-6px);
        }

        .step-num {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--accent), #ffd3a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            display: block;
        }

        .step-item h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
        }

        .step-item .step-detail {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Advanced Tips ===== */
        .tips-section {
            padding: var(--section-pad) 0;
            background: #f0f2f9;
        }

        .tips-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px 28px;
            display: flex;
            gap: 18px;
            height: 100%;
            transition: all var(--transition);
        }

        .tips-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(109, 94, 252, 0.2);
        }

        .tips-card .tips-icon {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            background: rgba(109, 94, 252, 0.08);
            color: var(--primary);
        }

        .tips-card:nth-child(2) .tips-icon {
            background: rgba(15, 163, 227, 0.08);
            color: var(--secondary);
        }

        .tips-card:nth-child(3) .tips-icon {
            background: rgba(240, 147, 43, 0.08);
            color: #f0932b;
        }

        .tips-card:nth-child(4) .tips-icon {
            background: rgba(0, 184, 148, 0.08);
            color: #00b894;
        }

        .tips-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .tips-card p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== Popular List ===== */
        .popular-section {
            padding: var(--section-pad) 0;
        }

        .popular-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px;
            display: flex;
            align-items: center;
            gap: 24px;
            margin-bottom: 20px;
            transition: all var(--transition);
        }

        .popular-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 94, 252, 0.2);
            transform: translateY(-3px);
        }

        .popular-rank {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 800;
            background: rgba(109, 94, 252, 0.08);
            color: var(--primary);
        }

        .popular-card:nth-child(1) .popular-rank {
            background: linear-gradient(135deg, var(--accent), #ff9f43);
            color: #fff;
        }

        .popular-card:nth-child(2) .popular-rank {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
        }

        .popular-card:nth-child(3) .popular-rank {
            background: linear-gradient(135deg, var(--secondary), #0b7fb8);
            color: #fff;
        }

        .popular-card:nth-child(4) .popular-rank {
            background: linear-gradient(135deg, #00b894, #009e7e);
            color: #fff;
        }

        .popular-card:nth-child(5) .popular-rank {
            background: linear-gradient(135deg, #e17055, #d63031);
            color: #fff;
        }

        .popular-card:nth-child(6) .popular-rank {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
            color: #fff;
        }

        .popular-info {
            flex: 1;
            min-width: 0;
        }

        .popular-info h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .popular-info h3 a {
            color: var(--dark);
        }

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

        .popular-info .popular-meta {
            font-size: 0.82rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .popular-info .popular-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        .popular-views {
            flex-shrink: 0;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--muted);
            background: rgba(0, 0, 0, 0.03);
            padding: 6px 16px;
            border-radius: 999px;
        }

        .popular-views i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-pad) 0;
            background: #f0f2f9;
        }

        .faq-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-box:hover {
            border-color: rgba(109, 94, 252, 0.2);
        }

        .faq-box summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 26px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--dark);
            padding-right: 50px;
            position: relative;
        }

        .faq-box summary::-webkit-details-marker {
            display: none;
        }

        .faq-box summary::after {
            content: '\e11f';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.85rem;
            color: var(--primary);
            transition: transform var(--transition);
        }

        .faq-box[open] summary::after {
            transform: translateY(-50%) rotate(45deg);
        }

        .faq-box .faq-answer {
            padding: 0 26px 22px;
            font-size: 0.92rem;
            color: var(--muted);
            line-height: 1.75;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, rgba(8, 10, 23, 0.88), rgba(14, 16, 36, 0.9)),
                url('/assets/images/backpic/back-3.png') center/cover fixed;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section .section-title {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 14px;
        }

        .cta-section .lead {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--accent), #ff9f43);
            color: #1a1a2e;
            font-weight: 800;
            border: none;
            padding: 13px 40px;
            border-radius: 999px;
            font-size: 1rem;
            box-shadow: 0 10px 32px rgba(255, 179, 71, 0.4);
            transition: all var(--transition);
        }

        .btn-cta:hover,
        .btn-cta:focus {
            color: #1a1a2e;
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 16px 40px rgba(255, 179, 71, 0.5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand i {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 9px;
            color: #fff;
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 340px;
            line-height: 1.7;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
        }

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

        .site-footer .footer-links i {
            color: var(--primary);
            margin-right: 6px;
            font-size: 0.85rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 44px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-copy {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.82rem;
            margin-left: 20px;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 70px;
            }

            .guide-hero {
                padding: 140px 0 90px;
            }

            .guide-hero h1 {
                font-size: 2.5rem;
            }

            .section-title {
                font-size: 1.85rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }

            .navbar-collapse {
                background: rgba(14, 16, 36, 0.96);
                border-radius: 16px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .navbar-nav .nav-link {
                padding: 10px 16px;
                margin-bottom: 4px;
            }

            .navbar-nav .nav-link.active {
                background: rgba(109, 94, 252, 0.2);
            }

            .btn-header {
                margin-left: 0 !important;
                width: 100%;
                text-align: center;
            }

            .guide-hero {
                padding: 120px 0 74px;
            }

            .guide-hero h1 {
                font-size: 2.05rem;
            }

            .guide-hero .lead {
                font-size: 1rem;
            }

            .guide-hero-stats {
                gap: 24px;
            }

            .stat-item .stat-num {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .section-desc {
                font-size: 0.95rem;
            }

            .steps-section::before {
                top: -30%;
                right: -40%;
            }

            .popular-card {
                padding: 18px;
                gap: 14px;
                flex-wrap: wrap;
            }

            .popular-rank {
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }

            .popular-info {
                flex: 0 0 calc(100% - 60px);
            }

            .popular-views {
                display: none;
            }

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

            .footer-legal {
                display: flex;
                gap: 14px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .footer-legal a {
                margin-left: 0;
            }

            .guide-hero-btns .btn-hero-primary,
            .guide-hero-btns .btn-hero-ghost {
                width: 100%;
                text-align: center;
            }
        }

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

            .guide-hero h1 {
                font-size: 1.7rem;
            }

            .guide-hero .breadcrumb-wrap {
                font-size: 0.75rem;
                padding: 5px 14px;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .guide-cat-card {
                padding: 26px 20px;
            }

            .guide-card .card-body {
                padding: 20px;
            }

            .tips-card {
                padding: 24px 20px;
                flex-direction: column;
                gap: 12px;
            }

            .popular-info h3 {
                font-size: 0.98rem;
            }

            .popular-info .popular-meta {
                gap: 10px;
            }

            .faq-box summary {
                font-size: 0.9rem;
                padding: 18px;
                padding-right: 42px;
            }

            .faq-box summary::after {
                right: 18px;
            }

            .faq-box .faq-answer {
                padding: 0 18px 18px;
                font-size: 0.88rem;
            }

            .cta-section .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
/* =============================================
           设计变量
        ============================================= */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #0f172a;
            --accent: #f59e0b;
            --bg-body: #f8fafc;
            --bg-dark: #0b1120;
            --bg-section: #ffffff;
            --bg-muted: #f1f5f9;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-main: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* =============================================
           导航栏
        ============================================= */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: transparent;
            transition: var(--transition);
            padding: 14px 0;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 4px 30px rgba(15, 23, 42, 0.06);
            padding: 8px 0;
        }

        .site-header:not(.scrolled) {
            background: rgba(11, 17, 32, 0.65);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .navbar {
            padding: 0;
        }

        .navbar-glass {
            background: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.4rem;
            color: #ffffff;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }

        .navbar-brand i {
            font-size: 1.6rem;
            color: var(--primary-light);
            background: rgba(99, 102, 241, 0.15);
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

        .site-header.scrolled .navbar-brand {
            color: var(--secondary);
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .site-header.scrolled .navbar-nav .nav-link {
            color: var(--text-main);
        }

        .site-header.scrolled .navbar-nav .nav-link:hover,
        .site-header.scrolled .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(99, 102, 241, 0.08);
        }

        .btn-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #ffffff;
            border-radius: 10px;
            font-weight: 600;
            padding: 10px 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-header:hover {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 1.1rem;
        }

        .site-header.scrolled .navbar-toggler {
            border-color: var(--border-main);
            color: var(--text-main);
        }

        /* =============================================
           页面Banner / 分类 Hero
        ============================================= */
        .page-banner {
            position: relative;
            padding: 180px 0 110px;
            background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.2) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner .breadcrumb-custom {
            display: block;
            margin-top: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .page-banner .breadcrumb-custom a {
            color: var(--primary-light);
            transition: var(--transition);
        }

        .page-banner .breadcrumb-custom a:hover {
            color: #ffffff;
        }

        .page-banner h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            color: #ffffff;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            margin-top: 12px;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 650px;
            line-height: 1.8;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.2);
            border: 1px solid rgba(99, 102, 241, 0.4);
            color: #c7d2fe;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }

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

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

        .section-block.bg-muted {
            background-color: var(--bg-muted);
        }

        .section-block.bg-white {
            background-color: var(--bg-section);
        }

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

        .section-header {
            margin-bottom: 60px;
        }

        .section-header .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header .subtitle::after {
            content: '';
            display: inline-block;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.8;
        }

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

        .section-header.center .subtitle::after {
            display: none;
        }

        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .section-header.light h2 {
            color: #ffffff;
        }

        .section-header.light p {
            color: rgba(255, 255, 255, 0.75);
        }

        /* =============================================
           平台特色卡片
        ============================================= */
        .feature-grid .feature-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid var(--border-main);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-grid .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-grid .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(99, 102, 241, 0.3);
        }

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

        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 20px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
        }

        .feature-card .feature-icon.c2 {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent);
        }

        .feature-card .feature-icon.c3 {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
        }

        .feature-card .feature-icon.c4 {
            background: rgba(236, 72, 153, 0.1);
            color: #ec4899;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-card .feature-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .feature-card .feature-link:hover {
            gap: 12px;
        }

        /* =============================================
           图文详情区块
        ============================================= */
        .detail-row {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }

        .detail-row:last-child {
            margin-bottom: 0;
        }

        .detail-row.reverse {
            flex-direction: row-reverse;
        }

        .detail-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-main);
        }

        .detail-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .detail-media:hover img {
            transform: scale(1.03);
        }

        .detail-content {
            flex: 1;
        }

        .detail-content .tag {
            display: inline-block;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .detail-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .detail-content p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .detail-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 24px;
        }

        .detail-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            color: var(--text-main);
            font-size: 0.95rem;
        }

        .detail-list li i {
            color: var(--primary);
            margin-top: 5px;
            font-size: 1.1rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #ffffff;
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 28px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
            color: #ffffff;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #ffffff;
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 28px;
            transition: var(--transition);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;

            color: #ffffff;
        }

        /* =============================================
           数据统计
        ============================================= */
        .stats-section {
            background: linear-gradient(135deg, #6366f1 0%, #4f46e5 50%, #4338ca 100%);
            border-radius: 24px;
            padding: 60px 40px;
            box-shadow: 0 25px 60px rgba(79, 70, 229, 0.35);
        }

        .stats-section .stat-item {
            text-align: center;
            padding: 20px 10px;
        }

        .stats-section .stat-item .num {
            font-size: 2.8rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stats-section .stat-item .label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            margin-top: 6px;
            font-weight: 500;
        }

        .stats-section .stat-item .num-suffix {
            font-size: 1.6rem;
            font-weight: 700;
            margin-left: 2px;
        }

        /* =============================================
           内容列表卡片
        ============================================= */
        .content-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-main);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(99, 102, 241, 0.2);
        }

        .content-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .content-card:hover .card-img img {
            transform: scale(1.05);
        }

        .content-card .card-img .tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            box-shadow: 0 4px 10px rgba(15, 23, 42, 0.1);
        }

        .content-card .card-body-card {
            padding: 24px 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }

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

        .content-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-footer-card {
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .content-card .read-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .content-card .read-more:hover {
            gap: 12px;
        }

        /* =============================================
           FAQ
        ============================================= */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-main);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.3);
        }

        .faq-item .faq-title {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            padding: 22px 24px;
            cursor: pointer;
            margin: 0;
            transition: var(--transition);
        }

        .faq-item .faq-title i {
            color: var(--primary);
            font-size: 1.1rem;
            width: 20px;
            flex-shrink: 0;
        }

        .faq-item .faq-body {
            display: none;
            padding: 0 24px 22px 58px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }

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

        .faq-item.active .faq-title {
            color: var(--primary);
        }

        .faq-item.active .faq-body {
            display: block;
            animation: fadeInUp 0.4s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* =============================================
           CTA 板块
        ============================================= */
        .cta-section {
            background: linear-gradient(135deg, #312e81 0%, #1e1b4b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
            padding: 100px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-box {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 24px;
            padding: 60px 50px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 30px;
        }

        .cta-box .btn-cta {
            background: linear-gradient(135deg, var(--accent) 0%, #f59e0b 100%);
            color: #0f172a;
            font-weight: 800;
            border-radius: 12px;
            padding: 15px 40px;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-box .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 35px rgba(245, 158, 11, 0.45);
            color: #0f172a;
        }

        .cta-box .btn-cta i {
            font-size: 1.1rem;
        }

        .cta-meta {
            margin-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .cta-meta span i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* =============================================
           页脚
        ============================================= */
        .site-footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 80px 0 0;
            position: relative;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand i {
            color: var(--primary-light);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(99, 102, 241, 0.15);
            border-radius: 10px;
            font-size: 1.2rem;
        }

        .site-footer .footer-desc {
            color: #64748b;
            line-height: 1.8;
            font-size: 0.9rem;
            max-width: 340px;
        }

        .site-footer .footer-title {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .site-footer .footer-links a {
            color: #64748b;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .site-footer .footer-links i {
            color: var(--primary-light);
            width: 22px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 50px;
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .site-footer .footer-copy {
            font-size: 0.85rem;
            color: #475569;
        }

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

        .site-footer .footer-legal a {
            font-size: 0.85rem;
            color: #475569;
            transition: var(--transition);
        }

        .site-footer .footer-legal a:hover {
            color: #ffffff;
        }

        /* =============================================
           响应式断点
        ============================================= */
        @media (max-width: 1199px) {
            .container {
                max-width: 960px;
            }

            .detail-row,
            .detail-row.reverse {
                gap: 40px;
            }
        }

        @media (max-width: 991px) {
            body {
                font-size: 15px;
            }

            .section-block {
                padding: 80px 0;
            }

            .navbar-brand {
                font-size: 1.2rem;
            }

            .site-header:not(.scrolled) {
                background: rgba(11, 17, 32, 0.85);
            }

            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 16px;
                padding: 20px;
                margin-top: 14px;
                box-shadow: var(--shadow-lg);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
            }

            .site-header:not(.scrolled) .navbar-collapse {
                background: rgba(11, 17, 32, 0.95);
            }

            .navbar-nav .nav-link,
            .site-header.scrolled .navbar-nav .nav-link {
                color: var(--text-main);
                padding: 12px 16px !important;
            }

            .site-header:not(.scrolled) .navbar-nav .nav-link {
                color: rgba(255, 255, 255, 0.9);
            }

            .navbar-nav .nav-link:hover,
            .navbar-nav .nav-link.active {
                background: rgba(99, 102, 241, 0.1) !important;
            }

            .detail-row,
            .detail-row.reverse {
                flex-direction: column;
                gap: 30px;
            }

            .detail-media {
                width: 100%;
            }

            .detail-content {
                width: 100%;
                padding: 0 10px;
            }

            .stats-section {
                padding: 40px 20px;
            }

            .stats-section .stat-item .num {
                font-size: 2.2rem;
            }

            .cta-box {
                padding: 40px 24px;
            }
        }

        @media (max-width: 767px) {
            .section-block {
                padding: 60px 0;
            }

            .page-banner {
                padding: 140px 0 70px;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section-header {
                margin-bottom: 40px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .feature-grid .feature-card {
                padding: 24px 20px;
            }

            .content-card .card-img {
                height: 180px;
            }

            .detail-content h3 {
                font-size: 1.4rem;
            }

            .stats-section .stat-item .num {
                font-size: 1.8rem;
            }

            .stats-section .stat-item .num-suffix {
                font-size: 1.2rem;
            }

            .faq-item .faq-title {
                font-size: 0.9rem;
                padding: 18px 16px;
            }

            .faq-item .faq-title i {
                font-size: 1rem;
            }

            .faq-item .faq-body {
                padding: 0 16px 18px 44px;
            }

            .cta-box {
                padding: 30px 18px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .cta-box .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

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

        @media (max-width: 520px) {
            html {
                scroll-padding-top: 70px;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .navbar-brand {
                font-size: 1rem;
            }

            .navbar-brand i {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }

            .stats-section {
                border-radius: 16px;
                padding: 30px 12px;
            }

            .stats-section .stat-item {
                padding: 12px 4px;
            }

            .stats-section .stat-item .num {
                font-size: 1.5rem;
            }

            .stats-section .stat-item .label {
                font-size: 0.8rem;
            }

            .content-card .card-body-card {
                padding: 18px 16px;
            }

            .cta-meta {
                flex-direction: column;
                gap: 8px;
            }

            .site-footer {
                padding-top: 50px;
            }
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --accent: #06b6d4;
            --navy: #0b1120;
            --navy-light: #111c34;
            --bg-body: #f1f5f9;
            --bg-white: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-soft: #e2e8f0;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(2, 12, 27, 0.06);
            --shadow-md: 0 8px 30px rgba(2, 12, 27, 0.09);
            --shadow-lg: 0 18px 50px rgba(2, 12, 27, 0.14);
            --transition: all 0.3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --gradient-main: linear-gradient(135deg, #2563eb, #06b6d4);
        }

        /* ============ 基础 Reset ============ */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button {
            border: none;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
        }

        /* ============ 通用按钮 ============ */
        .btn-main-custom {
            background: var(--gradient-main);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 28px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-main-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(37, 99, 235, 0.35);
            color: #fff;
        }
        .btn-main-custom:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }
        .btn-main-custom:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.4);
            outline-offset: 2px;
        }
        .btn-ghost-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            border-radius: 30px;
            padding: 10px 28px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }
        .btn-ghost-light:active {
            transform: translateY(-1px);
        }
        .btn-ghost-light:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .navbar-glass {
            background: rgba(10, 14, 25, 0.55);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
            transition: var(--transition);
        }
        .site-header.scrolled .navbar-glass {
            background: rgba(11, 17, 32, 0.92);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            padding: 8px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
        }
        .navbar-nav .nav-item {
            margin: 0 2px;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 30px;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: #fff;
            background: rgba(6, 182, 212, 0.15);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent);
            background: rgba(6, 182, 212, 0.12);
        }
        .btn-header {
            background: var(--gradient-main);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 9px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
        }
        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(37, 99, 235, 0.4);
            color: #fff;
        }
        .btn-header:active {
            transform: translateY(0);
        }
        .btn-header:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.4);
            outline-offset: 2px;
        }
        .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 1.4rem;
            padding: 4px 10px;
            line-height: 1;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ============ 文章 Hero ============ */
        .article-hero {
            position: relative;
            padding: 190px 0 80px;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            isolation: isolate;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.78) 0%, rgba(11, 17, 32, 0.58) 50%, rgba(11, 17, 32, 0.88) 100%);
            z-index: -1;
        }
        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.35);
        }
        .breadcrumb-custom .current {
            color: rgba(255, 255, 255, 0.9);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-hero h1 {
            font-size: clamp(1.75rem, 3.2vw, 2.85rem);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            max-width: 900px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .post-meta i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ============ 文章主体 ============ */
        .article-main {
            padding: 55px 0 75px;
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 42px 46px;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }

        /* ============ 正文排版 ============ */
        .post-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #334155;
        }
        .post-content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 34px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-soft);
            position: relative;
        }
        .post-content h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 56px;
            height: 2px;
            background: var(--gradient-main);
            border-radius: 2px;
        }
        .post-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--text-main);
        }
        .post-content p {
            margin: 0 0 20px;
        }
        .post-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .post-content ul,
        .post-content ol {
            margin: 0 0 22px 22px;
            padding-left: 6px;
        }
        .post-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .post-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .post-content blockquote {
            border-left: 4px solid var(--primary);
            background: #f8fafc;
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 26px 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .post-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .post-content a:hover {
            color: var(--accent);
        }
        .post-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }
        .post-content table th,
        .post-content table td {
            border: 1px solid var(--border-soft);
            padding: 12px 16px;
            text-align: left;
        }
        .post-content table th {
            background: #f8fafc;
            font-weight: 600;
        }

        /* ============ 文章页脚行 ============ */
        .post-taxonomy {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid var(--border-soft);
            margin-top: 38px;
            padding-top: 26px;
        }
        .post-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
        }
        .post-tags i {
            color: var(--text-muted);
        }
        .post-tags .tag-item {
            transition: var(--transition);
        }
        .post-share {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .share-btn {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f0f4ff;
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.25);
        }

        /* ============ 未找到状态 ============ */
        .post-notfound {
            text-align: center;
            padding: 50px 20px;
        }
        .post-notfound i {
            color: #cbd5e1;
            margin-bottom: 24px;
        }
        .post-notfound h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .post-notfound p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ============ 侧边栏 ============ */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 24px;
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: var(--transition);
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow-md);
        }
        .sidebar-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--border-soft);
            position: relative;
            color: var(--text-main);
        }
        .sidebar-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 48px;
            height: 2px;
            background: var(--gradient-main);
            border-radius: 2px;
        }
        .sidebar-cat-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-soft);
            list-style: none;
            display: flex;
            align-items: center;
        }
        .sidebar-cat-list li:last-child {
            border-bottom: none;
        }
        .sidebar-cat-list li a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .sidebar-cat-list li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .sidebar-cat-list li a i:first-child {
            color: var(--primary);
            width: 22px;
            text-align: center;
        }
        .sidebar-cat-list li a i:last-child {
            font-size: 0.75rem;
            color: #94a3b8;
            transition: var(--transition);
        }
        .sidebar-cat-list li a:hover i:last-child {
            transform: translateX(3px);
            color: var(--primary);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            background: #f0f4ff;
            color: var(--primary);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-item:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
        }
        .sidebar-guide img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 180px;
            object-fit: cover;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .sidebar-guide:hover img {
            transform: scale(1.02);
        }
        .sidebar-guide h4 {
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .sidebar-guide p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 18px;
        }

        /* ============ 继续探索区块 ============ */
        .explore-section {
            background: var(--bg-white);
            padding: 75px 0;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 38px;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-main);
            position: relative;
            padding-left: 18px;
            margin: 0;
            letter-spacing: 0.5px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-main);
        }
        .section-subtitle {
            color: var(--text-muted);
            margin: 6px 0 0;
            font-size: 1rem;
        }
        .content-card {
            display: block;
            background: var(--bg-body);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            height: 100%;
            text-decoration: none;
            color: inherit;
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            text-decoration: none;
            color: inherit;
        }
        .content-card-img {
            position: relative;
            overflow: hidden;
            height: 210px;
        }
        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-card:hover .content-card-img img {
            transform: scale(1.06);
        }
        .content-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 17, 32, 0.72);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .content-card-body {
            padding: 22px 24px 24px;
        }
        .content-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .content-card:hover .content-card-body h3 {
            color: var(--primary);
        }
        .content-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .content-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .content-card-link i {
            transition: var(--transition);
            font-size: 0.8rem;
        }
        .content-card:hover .content-card-link i {
            transform: translateX(4px);
        }

        /* ============ FAQ 区块 ============ */
        .faq-section {
            padding: 75px 0;
            background: var(--bg-body);
        }
        .faq-card {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: 0 1px 3px rgba(2, 12, 27, 0.03);
        }
        .faq-card .accordion-button {
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-white);
            padding: 18px 24px;
            font-size: 1rem;
            border: none;
            box-shadow: none;
        }
        .faq-card .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #f8fafc;
            box-shadow: none;
        }
        .faq-card .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-card .accordion-body {
            padding: 4px 24px 20px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
            background: #f8fafc;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 17, 32, 0.92), rgba(30, 41, 59, 0.82));
            z-index: -1;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 30px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--navy);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            position: relative;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            max-width: 340px;
        }
        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--gradient-main);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-links li a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-links li i {
            color: var(--accent);
            width: 20px;
            text-align: center;
            margin-right: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 50px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copy {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        .footer-legal {
            display: flex;
            gap: 18px;
        }
        .footer-legal a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-legal a:hover {
            color: var(--accent);
        }

        /* ============ 回到顶部 ============ */
        .back-to-top {
            position: fixed;
            right: 28px;
            bottom: 28px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            color: #fff;
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(37, 99, 235, 0.45);
        }
        .back-to-top:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.5);
            outline-offset: 2px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(11, 17, 32, 0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-radius: 16px;
                padding: 18px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            }
            .navbar-collapse .navbar-nav {
                margin: 0 0 12px 0;
            }
            .navbar-collapse .nav-link {
                padding: 10px 16px !important;
            }
            .navbar-collapse .btn-header {
                width: 100%;
                margin: 0;
            }
            .article-hero {
                padding: 160px 0 60px;
                background-attachment: scroll;
            }
            .article-body {
                padding: 30px;
            }
            .post-taxonomy {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            .article-hero {
                padding: 140px 0 50px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .post-meta {
                gap: 12px;
                font-size: 0.82rem;
            }
            .article-main {
                padding: 35px 0 55px;
            }
            .article-body {
                padding: 24px 20px;
                border-radius: 16px;
            }
            .post-content {
                font-size: 1rem;
            }
            .post-content h2 {
                font-size: 1.35rem;
            }
            .post-content h3 {
                font-size: 1.15rem;
            }
            .content-card-img {
                height: 180px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 60px 0;
                background-attachment: scroll;
            }
            .site-footer {
                padding-top: 50px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .footer-legal {
                justify-content: center;
            }
            .back-to-top {
                right: 18px;
                bottom: 18px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .article-hero {
                padding: 130px 0 44px;
            }
            .breadcrumb-custom .current {
                max-width: 200px;
            }
            .post-meta {
                flex-direction: column;
                gap: 6px;
            }
            .article-body {
                padding: 20px 16px;
            }
            .post-notfound {
                padding: 36px 12px;
            }
            .sidebar-card {
                padding: 22px 18px;
            }
            .content-card-img {
                height: 160px;
            }
            .content-card-body {
                padding: 18px;
            }
            .faq-card .accordion-button {
                padding: 16px;
                font-size: 0.95rem;
            }
            .faq-card .accordion-body {
                padding: 12px 16px 18px;
            }
            .btn-main-custom,
            .btn-ghost-light {
                padding: 9px 20px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #6366f1;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --dark: #0b1120;
            --dark-2: #111827;
            --light: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            max-width: 1200px;
        }

        .section-padding {
            padding: 96px 0;
        }

        .section-heading {
            margin-bottom: 48px;
        }

        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-heading .section-tag i {
            font-size: 13px;
        }

        .section-heading h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 0;
        }

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

        .section-heading.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn:focus,
        .btn:active {
            outline: 2px solid rgba(79, 70, 229, 0.35);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(79, 70, 229, 0.35);
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.28);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(245, 158, 11, 0.38);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

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

        /* ===== Header / Navbar ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            transition: var(--transition);
        }

        .navbar-glass {
            background: rgba(11, 17, 32, 0.55);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
            padding-bottom: 16px;
            transition: var(--transition);
        }

        .site-header.scrolled .navbar-glass {
            background: rgba(11, 17, 32, 0.92);
            box-shadow: 0 12px 40px rgba(2, 6, 23, 0.25);
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .navbar-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
        }

        .navbar-brand i {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--dark);
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
        }

        .navbar-brand:hover,
        .navbar-brand:focus {
            color: #fff;
        }

        .navbar .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px;
            border-radius: 50px;
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        .navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .btn-header {
            background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%);
            color: var(--dark);
            font-weight: 700;
            font-size: 14px;
            border-radius: 50px;
            padding: 10px 26px;
            border: none;
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-header:hover,
        .btn-header:focus {
            color: var(--dark);
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.4);
            background: linear-gradient(135deg, #fbbf24 0%, var(--accent) 100%);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: 10px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-toggler i {
            font-size: 18px;
        }

        .navbar-toggler:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(11, 17, 32, 0.97);
                border-radius: 16px;
                padding: 24px 20px;
                margin-top: 16px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 24px 60px rgba(2, 6, 23, 0.35);
            }

            .navbar .nav-link {
                padding: 12px 20px;
                font-size: 16px;
            }

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

            .btn-header {
                width: 100%;
                margin-top: 12px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 220px 0 110px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.92) 0%, rgba(11, 17, 32, 0.72) 50%, rgba(79, 70, 229, 0.55) 100%);
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .breadcrumb-nav {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 20px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.7);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .breadcrumb-nav i.fa-chevron-right {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .page-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
            line-height: 1.8;
        }

        .banner-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .banner-badge {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .banner-badge i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ===== News Category Tabs ===== */
        .news-cats {
            padding: 64px 0 0;
        }

        .cat-pills-wrap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .cat-pills {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .cat-pills .pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            background: var(--light);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .cat-pills .pill i {
            font-size: 13px;
        }

        .cat-pills .pill:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.06);
            border-color: rgba(79, 70, 229, 0.2);
            transform: translateY(-2px);
        }

        .cat-pills .pill.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.28);
        }

        .cat-pills .pill.active i {
            color: var(--accent);
        }

        /* ===== News Listing ===== */
        .news-listing {
            padding-top: 64px;
            padding-bottom: 96px;
            background: linear-gradient(180deg, var(--light) 0%, #fff 100%);
        }

        .news-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .news-list-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--dark);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .news-list-header h2 .live-dot {
            width: 10px;
            height: 10px;
            background: #22c55e;
            border-radius: 50%;
            position: relative;
        }

        .news-list-header h2 .live-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(34, 197, 94, 0.4);
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.6);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .news-list-header .list-meta {
            font-size: 14px;
            color: var(--text-light);
        }

        .news-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            margin-bottom: 24px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(79, 70, 229, 0.15);
        }

        .news-card-thumb {
            width: 280px;
            min-width: 280px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            height: 170px;
        }

        .news-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .news-card-thumb .thumb-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 17, 32, 0.75);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .news-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }

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

        .news-card-body p {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: auto;
            font-size: 13px;
            color: var(--text-light);
        }

        .news-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card-meta .read-link {
            margin-left: auto;
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card-meta .read-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* Sidebar */
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 2px solid var(--light);
        }

        .sidebar-card-title i {
            color: var(--primary);
            font-size: 16px;
        }

        .hot-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid #f1f5f9;
            transition: var(--transition);
            cursor: pointer;
        }

        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list-item:hover {
            padding-left: 8px;
        }

        .hot-rank {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: #eef2ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 12px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .hot-list-item:hover .hot-rank {
            background: var(--primary);
            color: #fff;
        }

        .hot-list-item:nth-child(1) .hot-rank {
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
        }

        .hot-list-item:nth-child(2) .hot-rank {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            color: #fff;
        }

        .hot-list-item:nth-child(3) .hot-rank {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #fff;
        }

        .hot-list-info {
            flex: 1;
        }

        .hot-list-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .hot-list-item:hover .hot-list-info h4 {
            color: var(--primary);
        }

        .hot-list-info .read-count {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            background: var(--light);
            border-radius: 50px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .tag-cloud .tag-item:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.06);
            border-color: rgba(79, 70, 229, 0.2);
            transform: translateY(-2px);
        }

        /* ===== Featured Topics ===== */
        .featured-topics {
            background: var(--dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .featured-topics::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .featured-topics::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -160px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
            border-radius: 50%;
        }

        .featured-topics .section-heading h2 {
            color: #fff;
        }

        .featured-topics .section-heading p {
            color: rgba(255, 255, 255, 0.65);
        }

        .featured-topics .section-tag {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .topic-card:hover img {
            transform: scale(1.05);
        }

        .topic-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.1) 0%, rgba(11, 17, 32, 0.9) 90%);
        }

        .topic-card-content {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            backdrop-filter: blur(8px);
        }

        .topic-card-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .topic-card-content p {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            max-width: 420px;
        }

        .topic-card-content .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 14.5px;
        }

        .topic-card-content .topic-link:hover {
            gap: 12px;
        }

        /* ===== Newsletter CTA ===== */
        .newsletter-cta {
            padding: 96px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }

        .newsletter-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 50%),
                        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.2) 0%, transparent 50%);
        }

        .newsletter-cta .container {
            position: relative;
            z-index: 2;
        }

        .cta-box {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }

        .newsletter-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px;
            border-radius: 60px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .newsletter-form .form-control {
            border: none;
            background: transparent;
            color: #fff;
            font-size: 15px;
            padding: 12px 20px;
            flex: 1;
            border-radius: 50px;
        }

        .newsletter-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .newsletter-form .form-control:focus {
            background: transparent;
            box-shadow: none;
            outline: none;
            color: #fff;
        }

        .newsletter-form .btn-newsletter {
            background: var(--accent);
            border: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 50px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .newsletter-form .btn-newsletter:hover,
        .newsletter-form .btn-newsletter:focus {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .cta-note i {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light);
            padding: 96px 0;
        }

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

        .faq-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-card:hover {
            border-color: rgba(79, 70, 229, 0.2);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .faq-card .faq-icon {
            width: 40px;
            height: 40px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .faq-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .faq-card p {
            font-size: 14.5px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding: 72px 0 0;
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand i {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--dark);
        }

        .footer-desc {
            font-size: 14.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

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

        .footer-bottom {
            margin-top: 56px;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copy {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-legal a {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.5);
            margin-left: 24px;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .section-padding {
                padding: 72px 0;
            }

            .featured-topics {
                padding: 72px 0;
            }

            .newsletter-cta {
                padding: 72px 0;
            }

            .faq-section {
                padding: 72px 0;
            }

            .site-footer {
                padding-top: 56px;
            }

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

            .footer-legal a {
                margin: 0 12px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }

            .page-banner {
                padding: 170px 0 80px;
            }

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

            .page-banner p {
                font-size: 15px;
            }

            .banner-badges {
                gap: 8px;
            }

            .news-cats {
                padding-top: 48px;
            }

            .cat-pills-wrap {
                padding: 18px;
            }

            .news-listing {
                padding-top: 48px;
                padding-bottom: 72px;
            }

            .news-card {
                flex-direction: column;
                padding: 16px;
                gap: 16px;
            }

            .news-card-thumb {
                width: 100%;
                min-width: 0;
                height: 190px;
            }

            .news-card-body h3 {
                font-size: 18px;
            }

            .news-card-body p {
                font-size: 14px;
                -webkit-line-clamp: 3;
            }

            .news-card-meta {
                flex-wrap: wrap;
                gap: 10px;
            }

            .news-card-meta .read-link {
                margin-left: 0;
                width: 100%;
                justify-content: center;
                background: rgba(79, 70, 229, 0.06);
                padding: 8px;
                border-radius: 8px;
            }

            .sidebar-card {
                padding: 20px;
            }

            .featured-topics {
                padding: 56px 0;
            }

            .topic-card {
                min-height: 300px;
                margin-bottom: 20px;
            }

            .topic-card-content {
                padding: 24px;
            }

            .topic-card-content h3 {
                font-size: 20px;
            }

            .newsletter-cta {
                padding: 56px 0;
            }

            .newsletter-form {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
            }

            .newsletter-form .form-control {
                background: rgba(255, 255, 255, 0.12);
                border: 1px solid rgba(255, 255, 255, 0.22);
                border-radius: 50px;
                padding: 14px 22px;
                margin-bottom: 10px;
            }

            .newsletter-form .btn-newsletter {
                width: 100%;
            }

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

            .faq-card {
                padding: 22px;
            }

            .news-list-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .news-list-header h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .cat-pills .pill {
                padding: 8px 16px;
                font-size: 13px;
            }

            .news-card-thumb {
                height: 170px;
            }

            .news-card-meta span {
                font-size: 12px;
            }

            .news-card-meta .read-link {
                font-size: 13px;
            }

            .sidebar-card {
                padding: 18px;
            }

            .hot-list-info h4 {
                font-size: 13.5px;
            }

            .footer-legal {
                display: flex;
                flex-wrap: wrap;
                justify-content: center;
                gap: 8px;
            }

            .footer-legal a {
                margin: 0 6px;
                font-size: 12.5px;
            }
        }