/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #00cec9;
            --dark: #0a0a1a;
            --dark-card: #12122a;
            --dark-surface: #1a1a35;
            --dark-border: #2d2d55;
            --text-primary: #f0f0ff;
            --text-secondary: #b0b0d0;
            --text-muted: #7070a0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(108, 92, 231, 0.15);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            background: var(--dark);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        /* ===== 导航栏 ===== */
        .navbar-custom {
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--dark-border);
            padding: 0;
            transition: var(--transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .navbar-custom .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            padding: 16px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-custom .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
        }

        .navbar-custom .navbar-brand span {
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 20px 18px !important;
            position: relative;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: #fff;
        }

        .navbar-custom .nav-link::after {
            content: '';
            position: absolute;
            bottom: 12px;
            left: 18px;
            right: 18px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .navbar-custom .nav-link:hover::after,
        .navbar-custom .nav-link.active::after {
            transform: scaleX(1);
        }

        .navbar-custom .nav-link.active {
            color: #fff;
        }

        .navbar-custom .navbar-toggler {
            border: 1px solid var(--dark-border);
            padding: 8px 12px;
            color: var(--text-primary);
            background: transparent;
        }

        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3);
        }

        .navbar-custom .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240,240,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: var(--dark-card);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--dark-border);
            }

            .navbar-custom .nav-link {
                padding: 12px 16px !important;
                border-radius: var(--radius-sm);
            }

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

            .navbar-custom .nav-link.active {
                background: rgba(108, 92, 231, 0.15);
            }
        }

        /* ===== 首屏 Hero ===== */
        .hero-section {
            padding: 80px 0 100px;
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-card) 50%, var(--dark-surface) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.3);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 92, 231, 0.4);
            color: #fff;
        }

        .btn-primary-custom:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--dark-border);
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline-custom:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--dark-border);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-number .stat-plus {
            color: var(--primary-light);
            font-size: 1.5rem;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0 70px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }

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

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-header {
                margin-bottom: 40px;
            }
        }

        /* ===== 卡片系统 ===== */
        .card-custom {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
        }

        .card-custom:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }

        .card-custom .card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .card-custom .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--dark-border);
        }

        .card-custom .card-meta .badge-tag {
            padding: 3px 12px;
            background: rgba(108, 92, 231, 0.15);
            border-radius: 50px;
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ===== 特色板块 ===== */
        .features-section {
            background: var(--dark-card);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 991.98px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类入口 ===== */
        .categories-section {
            background: var(--dark);
        }

        .category-card {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            cursor: pointer;
            display: block;
            color: inherit;
        }

        .category-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.4);
            box-shadow: var(--shadow-hover);
            color: inherit;
        }

        .category-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }

        .category-card .cat-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .category-card .cat-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .category-card .cat-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .category-card .cat-count i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--dark-surface);
        }

        .news-card {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .news-card .news-category {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(108, 92, 231, 0.12);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--dark-border);
            font-size: 0.85rem;
        }

        .news-card .news-date {
            color: var(--text-muted);
        }

        .news-card .news-date i {
            margin-right: 6px;
        }

        .news-card .news-link {
            color: var(--primary-light);
            font-weight: 500;
            transition: var(--transition);
        }

        .news-card .news-link:hover {
            color: var(--primary);
            gap: 6px;
        }

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

        .empty-news i {
            font-size: 2.5rem;
            margin-bottom: 16px;
            display: block;
            color: var(--dark-border);
        }

        /* ===== 数据/流程板块 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-surface) 100%);
            position: relative;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-box:hover {
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-2px);
        }

        .stat-box .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-box .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-section {
            background: var(--dark);
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateX(4px);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
        }

        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark-surface);
        }

        .faq-item {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
        }

        .faq-question i {
            color: var(--primary-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding-top: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            border-top: 1px solid var(--dark-border);
            margin-top: 16px;
        }

        .faq-answer.collapsed {
            display: none;
        }

        .faq-answer.expanded {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-card) 0%, rgba(108, 92, 231, 0.08) 100%);
            border-top: 1px solid var(--dark-border);
            border-bottom: 1px solid var(--dark-border);
        }

        .cta-content {
            text-align: center;
            padding: 80px 0;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 32px;
        }

        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content {
                padding: 56px 0;
            }
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--dark);
            padding: 60px 0 32px;
            border-top: 1px solid var(--dark-border);
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--dark-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        .footer-social {
            display: flex;
            gap: 16px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--dark-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-social a:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-section {
                padding: 40px 0 24px;
            }
        }

        /* ===== 辅助类 ===== */
        .gradient-text {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .divider-gradient {
            height: 4px;
            width: 60px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 24px;
        }

        /* ===== 响应式增强 ===== */
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 12px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .card-custom {
                padding: 18px;
            }
            .news-card {
                padding: 18px;
            }
        }

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

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

        /* ===== Bootstrap 覆盖 ===== */
        .btn-close {
            filter: invert(1);
        }
        .modal-content {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            color: var(--text-primary);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf5;
            --primary-dark: #5228d6;
            --primary-light: #8b6cf7;
            --primary-bg: rgba(108, 60, 245, 0.08);
            --accent: #f5a623;
            --accent-dark: #d98e1a;
            --bg-dark: #0e0b1a;
            --bg-card: #161129;
            --bg-card-hover: #1e1638;
            --bg-section: #120d22;
            --bg-body: #0a0815;
            --text-white: #f0edf8;
            --text-light: #c8c2e0;
            --text-muted: #8a82b0;
            --border-color: rgba(108, 60, 245, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 12px 48px rgba(108, 60, 245, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-light);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(14, 11, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 72px;
            transition: var(--transition);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .navbar-custom .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.3px;
            padding: 0;
            transition: var(--transition);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .navbar-custom .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(108, 60, 245, 0.3);
        }
        .navbar-custom .navbar-nav {
            gap: 4px;
        }
        .navbar-custom .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.2px;
        }
        .navbar-custom .nav-link:hover {
            color: var(--text-white);
            background: var(--primary-bg);
        }
        .navbar-custom .nav-link.active {
            color: var(--text-white);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.3);
        }
        .navbar-custom .nav-link.active::after {
            display: none;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-light);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(108, 60, 245, 0.3);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(200,194,224,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .navbar-custom {
                min-height: 64px;
            }
            .navbar-custom .container-custom {
                height: 64px;
            }
            .navbar-custom .navbar-collapse {
                background: rgba(14, 11, 26, 0.98);
                backdrop-filter: blur(18px);
                border-radius: var(--radius-md);
                padding: 16px 12px;
                margin-top: 8px;
                border: 1px solid var(--border-color);
                box-shadow: var(--shadow-card);
            }
            .navbar-custom .nav-link {
                padding: 10px 16px;
                font-size: 15px;
            }
        }

        /* ===== 文章头部 ===== */
        .article-header {
            padding: 60px 0 40px;
            background: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-body) 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .article-header .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 12px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-header .breadcrumb-custom a {
            color: var(--primary-light);
        }
        .article-header .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .article-header .breadcrumb-custom .separator {
            color: var(--text-muted);
        }
        .article-header .article-category {
            display: inline-block;
            padding: 4px 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 18px;
            box-shadow: 0 4px 12px rgba(108, 60, 245, 0.25);
        }
        .article-header h1 {
            color: var(--text-white);
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .article-header .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-header .article-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .article-header {
                padding: 40px 0 28px;
            }
            .article-header h1 {
                font-size: 26px;
            }
            .article-header .article-meta {
                gap: 10px 16px;
                font-size: 13px;
            }
        }

        /* ===== 文章正文 ===== */
        .article-body-section {
            padding: 48px 0 64px;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px 44px;
            box-shadow: var(--shadow-card);
        }
        .article-main .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .article-main .article-featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .article-main .article-content {
            color: var(--text-light);
            font-size: 16.5px;
            line-height: 1.85;
        }
        .article-main .article-content h2,
        .article-main .article-content h3 {
            color: var(--text-white);
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
        }
        .article-main .article-content h2 {
            font-size: 24px;
            letter-spacing: -0.3px;
        }
        .article-main .article-content h3 {
            font-size: 20px;
        }
        .article-main .article-content p {
            margin-bottom: 18px;
        }
        .article-main .article-content ul,
        .article-main .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-main .article-content ul li,
        .article-main .article-content ol li {
            margin-bottom: 8px;
        }
        .article-main .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-main .article-content a:hover {
            color: var(--accent-dark);
        }
        .article-main .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-main .article-content img {
            border-radius: var(--radius-sm);
            margin: 20px 0;
        }
        .article-main .article-content .content-tag {
            display: inline-block;
            padding: 2px 12px;
            background: var(--primary-bg);
            border: 1px solid var(--border-color);
            border-radius: 14px;
            font-size: 13px;
            color: var(--primary-light);
            margin: 4px 4px 4px 0;
        }
        .article-main .article-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 36px 0 28px;
        }
        .article-main .article-footer-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 8px;
        }
        .article-main .article-footer-meta .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-main .article-footer-meta .share-buttons {
            display: flex;
            gap: 10px;
        }
        .article-main .article-footer-meta .share-buttons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary-light);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 16px;
        }
        .article-main .article-footer-meta .share-buttons a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(108, 60, 245, 0.25);
        }
        @media (max-width: 768px) {
            .article-main {
                padding: 24px 20px;
            }
            .article-main .article-content {
                font-size: 15.5px;
            }
            .article-main .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .article-main {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
            .article-main .article-content h2 {
                font-size: 20px;
            }
            .article-main .article-content h3 {
                font-size: 18px;
            }
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .not-found-box .icon-big {
            font-size: 56px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            color: var(--text-white);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 400px;
            margin: 0 auto 24px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 60, 245, 0.3);
            color: #fff;
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
        }
        .related-section .section-title {
            color: var(--text-white);
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 36px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .related-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .rc-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .related-card .rc-title {
            color: var(--text-white);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-title a {
            color: var(--text-white);
        }
        .related-card .rc-title a:hover {
            color: var(--primary-light);
        }
        .related-card .rc-excerpt {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .related-card .rc-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .related-card .rc-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        @media (max-width: 992px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-section .section-title {
                font-size: 22px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-section) 100%);
            border-top: 1px solid var(--border-light);
        }
        .cta-section .cta-box {
            background: linear-gradient(135deg, rgba(108, 60, 245, 0.08), rgba(245, 166, 35, 0.06));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-section .cta-box h3 {
            color: var(--text-white);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-section .cta-box p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-box .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .cta-section .cta-box .btn-cta-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-box .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 245, 0.35);
            color: #fff;
        }
        .cta-section .cta-box .btn-cta-secondary {
            padding: 14px 36px;
            background: transparent;
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-box .btn-cta-secondary:hover {
            border-color: var(--primary);
            background: var(--primary-bg);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        @media (max-width: 640px) {
            .cta-section .cta-box {
                padding: 32px 20px;
            }
            .cta-section .cta-box h3 {
                font-size: 22px;
            }
            .cta-section .cta-box .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            color: var(--text-muted);
        }
        .footer-section .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-section .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .footer-section .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 340px;
        }
        .footer-section .footer-heading {
            color: var(--text-white);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-section .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-section .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-section .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-section .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-section .footer-bottom a {
            color: var(--primary-light);
        }
        .footer-section .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-section .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-section .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary-light);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 16px;
        }
        .footer-section .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .footer-section .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 20px 0 16px;
            }
            .footer-section .footer-social {
                margin-top: 4px;
            }
        }

        /* ===== 通用辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3fd4;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --primary-bg: rgba(108, 63, 212, 0.08);
            --primary-gradient: linear-gradient(135deg, #6c3fd4 0%, #4c1d95 100%);
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-bg: rgba(245, 158, 11, 0.12);
            --dark: #0f0e17;
            --dark-surface: #1a1a2e;
            --dark-card: #16213e;
            --dark-border: #2a2a4a;
            --dark-muted: #8892b0;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --body-bg: #0f0e17;
            --card-bg: #1a1a2e;
            --card-hover-bg: #1e2a45;
            --border-color: #2a2a4a;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 56px rgba(0, 0, 0, 0.6);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--body-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        /* ===== 容器 ===== */
        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(15, 14, 23, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: var(--nav-height);
            transition: var(--transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
        }
        .navbar-custom .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .navbar-custom .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 0 20px rgba(108, 63, 212, 0.3);
        }
        .navbar-custom .navbar-nav {
            gap: 4px;
        }
        .navbar-custom .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 0.95rem;
            position: relative;
            letter-spacing: 0.01em;
        }
        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
            background: var(--primary-bg);
        }
        .navbar-custom .nav-link.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 63, 212, 0.35);
        }
        .navbar-custom .nav-link.active:hover {
            background: var(--primary-gradient);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: var(--primary-bg);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            display: inline-block;
            width: 24px;
            height: 24px;
            background: currentColor;
            mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E");
            mask-size: contain;
            background-color: var(--text-primary);
            -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E");
            -webkit-mask-size: contain;
        }
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: rgba(15, 14, 23, 0.98);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
            }
            .navbar-custom .navbar-nav {
                gap: 2px;
            }
            .navbar-custom .nav-link {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            padding: 80px 0 60px;
            background: linear-gradient(180deg, rgba(108, 63, 212, 0.15) 0%, transparent 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 63, 212, 0.12) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .page-hero .page-hero-content {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .page-hero .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .page-hero .breadcrumb-custom .sep {
            color: var(--text-muted);
            margin: 0 4px;
        }
        .page-hero .breadcrumb-custom .current {
            color: var(--text-primary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 40px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块间距 ===== */
        .section-padding {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-lg);
            background: var(--card-hover-bg);
        }
        .card-custom .card-img-top {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            transition: var(--transition);
        }
        .card-custom:hover .card-img-top {
            transform: scale(1.03);
        }
        .card-custom .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
            transition: var(--transition);
        }
        .card-custom:hover .card-title {
            color: var(--primary-light);
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-custom .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .card-custom .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-bg);
            color: var(--primary-light);
            border: 1px solid rgba(108, 63, 212, 0.2);
            transition: var(--transition);
        }
        .card-custom:hover .card-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-custom:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }
        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 212, 0.35);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 63, 212, 0.5);
            color: #fff;
            background: var(--primary-gradient);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(108, 63, 212, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: var(--primary-bg);
            transform: translateY(-2px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #0f0e17;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
        }
        .btn-accent-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
            color: #0f0e17;
            background: var(--accent-light);
        }
        .btn-sm-custom {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--primary-bg);
            color: var(--primary-light);
            border: 1px solid rgba(108, 63, 212, 0.2);
            transition: var(--transition);
        }
        .badge-custom:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-bg);
            color: var(--accent);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-accent:hover {
            background: var(--accent);
            color: #0f0e17;
            border-color: var(--accent);
        }

        /* ===== 精选内容区 ===== */
        .featured-card-lg {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
        }
        .featured-card-lg:hover {
            transform: translateY(-4px);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-xl);
            background: var(--card-hover-bg);
        }
        .featured-card-lg .featured-img {
            width: 100%;
            aspect-ratio: 21 / 9;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-card-lg:hover .featured-img {
            transform: scale(1.02);
        }
        .featured-card-lg .featured-body {
            padding: 32px;
        }
        .featured-card-lg .featured-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-bg);
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .featured-card-lg h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .featured-card-lg p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .featured-card-lg .featured-body {
                padding: 20px;
            }
            .featured-card-lg h3 {
                font-size: 1.25rem;
            }
        }

        /* ===== 攻略列表 ===== */
        .guide-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .guide-list-item:last-child {
            border-bottom: none;
        }
        .guide-list-item:hover {
            padding-left: 12px;
        }
        .guide-list-item .guide-thumb {
            flex-shrink: 0;
            width: 160px;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .guide-list-item:hover .guide-thumb {
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }
        .guide-list-item .guide-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .guide-list-item .guide-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .guide-list-item:hover .guide-content h4 {
            color: var(--primary-light);
        }
        .guide-list-item .guide-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .guide-list-item .guide-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .guide-list-item .guide-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        @media (max-width: 640px) {
            .guide-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .guide-list-item .guide-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
        }

        /* ===== 技巧网格 ===== */
        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .tip-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary-dark);
            box-shadow: var(--shadow-md);
            background: var(--card-hover-bg);
        }
        .tip-card .tip-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
            color: var(--primary-light);
            font-size: 1.4rem;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .tip-card:hover .tip-icon {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 63, 212, 0.3);
        }
        .tip-card h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark-surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .accordion-custom .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 0;
        }
        .accordion-custom .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-custom .accordion-header {
            margin: 0;
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 0;
            border: none;
            box-shadow: none;
            transition: var(--transition);
            border-radius: 0;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary-light);
            background: transparent;
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            background: none;
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
            width: auto;
            height: auto;
            margin-left: auto;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(-180deg);
            color: var(--primary-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .accordion-custom .accordion-button:hover {
            color: var(--primary-light);
        }
        .accordion-custom .accordion-body {
            padding: 0 0 20px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--primary-gradient);
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-box p {
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .cta-box .btn-group-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--dark-surface);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 0 16px rgba(108, 63, 212, 0.25);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 28px;
            margin-top: 40px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(108, 63, 212, 0.3);
        }
        @media (max-width: 768px) {
            .footer-section {
                padding: 40px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ===== 分页 ===== */
        .pagination-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            padding-top: 32px;
            margin-top: 16px;
        }
        .pagination-custom .page-item .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .pagination-custom .page-item .page-link:hover {
            background: var(--primary-bg);
            border-color: var(--primary-dark);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .pagination-custom .page-item.active .page-link {
            background: var(--primary-gradient);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 63, 212, 0.3);
        }
        .pagination-custom .page-item.disabled .page-link {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== 响应式增强 ===== */
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .section-padding {
                padding: 32px 0;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .card-custom .card-body {
                padding: 16px;
            }
            .featured-card-lg .featured-body {
                padding: 16px;
            }
            .cta-box {
                padding: 24px 16px;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
        }

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

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .border-gradient {
            border-image: var(--primary-gradient) 1;
        }
        .shadow-custom {
            box-shadow: var(--shadow-md);
        }
        .shadow-custom-lg {
            box-shadow: var(--shadow-lg);
        }
        .bg-surface {
            background: var(--dark-surface);
        }
        .bg-card {
            background: var(--card-bg);
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3af0;
            --primary-light: #8b5cf6;
            --primary-dark: #5528b5;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-dark: #0f0b1a;
            --bg-card: #1a1430;
            --bg-card-hover: #221c3a;
            --bg-section: #130e22;
            --bg-section-alt: #1a1430;
            --text-white: #f1f0f7;
            --text-light: #c8c3e0;
            --text-muted: #8a84a6;
            --border-color: #2d2548;
            --border-light: #3d3260;
            --shadow-sm: 0 2px 12px rgba(108, 58, 240, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 58, 240, 0.15);
            --shadow-lg: 0 16px 50px rgba(108, 58, 240, 0.2);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-w: 1200px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-white);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

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

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            padding: 0.6rem 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .navbar-custom .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            padding: 0.25rem 0;
            transition: var(--transition);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }
        .navbar-custom .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 15px rgba(108, 58, 240, 0.4);
        }
        .navbar-custom .navbar-nav .nav-link {
            color: var(--text-muted);
            padding: 0.6rem 1.2rem;
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar-custom .navbar-nav .nav-link:hover {
            color: var(--text-white);
            background: rgba(108, 58, 240, 0.1);
        }
        .navbar-custom .navbar-nav .nav-link.active {
            color: var(--text-white);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 20px rgba(108, 58, 240, 0.35);
        }
        .navbar-custom .navbar-nav .nav-link.active::after {
            display: none;
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            color: var(--text-light);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: rgba(108, 58, 240, 0.15);
            border-color: var(--primary);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(200,195,224,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.5rem;
            height: 1.5rem;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            padding: 4rem 0 3.5rem;
            background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-section) 50%, #1a1040 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 58, 240, 0.12), transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(236, 72, 153, 0.08), transparent 70%);
            pointer-events: none;
        }
        .category-hero .hero-tag {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(108, 58, 240, 0.2);
            border: 1px solid rgba(108, 58, 240, 0.3);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--text-white), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 4.5rem 0;
        }
        .section-block .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }
        .section-block .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 2.5rem;
        }
        .section-block.bg-alt {
            background: var(--bg-section-alt);
        }
        .section-block .section-header {
            margin-bottom: 2.5rem;
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .card-custom .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            box-shadow: 0 6px 20px rgba(108, 58, 240, 0.3);
        }
        .card-custom .card-icon.icon-alt {
            background: linear-gradient(135deg, var(--secondary), #d97706);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }
        .card-custom .card-icon.icon-accent {
            background: linear-gradient(135deg, var(--accent), #be185d);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-white);
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            background: rgba(108, 58, 240, 0.15);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 0.8rem;
        }

        /* ===== 指南卡片（大图） ===== */
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
        }
        .guide-card .guide-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-section);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-light);
            border-bottom: 1px solid var(--border-color);
        }
        .guide-card .guide-body {
            padding: 1.5rem 1.8rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .guide-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-white);
        }
        .guide-card .guide-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 1rem;
        }
        .guide-card .guide-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 0.8rem;
        }
        .guide-card .guide-meta .badge-custom {
            padding: 0.2rem 0.7rem;
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.7rem;
        }

        /* ===== 安全流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-item .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 58, 240, 0.3);
        }
        .step-item .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text-white);
        }
        .step-item .step-content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            margin-bottom: 0.8rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
        }
        .faq-item .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
        }
        .faq-item .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
        }
        .faq-item .faq-answer {
            margin-top: 0.8rem;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card) 0%, #1a1040 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 3rem 3.5rem;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 1.8rem;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-custom-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 25px rgba(108, 58, 240, 0.35);
        }
        .btn-custom-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(108, 58, 240, 0.5);
            color: #fff;
        }
        .btn-custom-secondary {
            background: transparent;
            color: var(--text-white);
            border: 2px solid var(--border-light);
        }
        .btn-custom-secondary:hover {
            border-color: var(--primary-light);
            color: var(--text-white);
            background: rgba(108, 58, 240, 0.1);
            transform: translateY(-3px);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary-light);
            border: 2px solid var(--primary);
        }
        .btn-custom-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(108, 58, 240, 0.3);
        }
        .btn-custom-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 0.5rem;
        }
        .tag-item {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            background: rgba(108, 58, 240, 0.1);
            border: 1px solid rgba(108, 58, 240, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--primary-light);
            transition: var(--transition);
            cursor: default;
        }
        .tag-item:hover {
            background: rgba(108, 58, 240, 0.2);
            border-color: var(--primary);
        }

        /* ===== 平台排行 ===== */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 0.6rem;
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            flex-shrink: 0;
            width: 32px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-muted);
        }
        .rank-item .rank-num.top {
            color: var(--secondary);
        }
        .rank-item .rank-name {
            flex: 1;
            font-weight: 600;
            color: var(--text-white);
        }
        .rank-item .rank-score {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .rank-item .rank-badge {
            padding: 0.15rem 0.6rem;
            background: rgba(108, 58, 240, 0.15);
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary-light);
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-section .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .footer-section .footer-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1rem;
        }
        .footer-section .footer-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            max-width: 360px;
        }
        .footer-section .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-section .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 10px;
        }
        .footer-section .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-section .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
            padding: 0.15rem 0;
        }
        .footer-section .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-section .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-section .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-section .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-section .footer-social {
            display: flex;
            gap: 0.8rem;
        }
        .footer-section .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-section .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .section-block .section-title {
                font-size: 1.7rem;
            }
            .cta-section {
                padding: 2.5rem 2rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-custom .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .navbar-custom .navbar-nav .nav-link {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }
            .navbar-custom .navbar-collapse {
                background: rgba(15, 11, 26, 0.98);
                border-radius: var(--radius-md);
                padding: 0.5rem 0;
                margin-top: 0.5rem;
                border: 1px solid var(--border-color);
            }
            .category-hero {
                padding: 2.8rem 0 2.5rem;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-stats {
                gap: 1.2rem;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.4rem;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-block .section-title {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 1.2rem 1.4rem;
            }
            .guide-card .guide-img {
                height: 160px;
            }
            .guide-card .guide-body {
                padding: 1.2rem 1.4rem 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.5rem;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .step-item {
                gap: 0.8rem;
                padding: 1rem 0;
            }
            .step-item .step-num {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .footer-section .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.6rem;
            }
            .footer-section .footer-brand {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .lead {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 1rem;
                flex-wrap: wrap;
            }
            .category-hero .hero-stats .stat-item {
                flex: 1 1 40%;
            }
            .section-block .section-title {
                font-size: 1.2rem;
            }
            .section-block .section-subtitle {
                font-size: 0.92rem;
            }
            .btn-custom {
                padding: 0.55rem 1.4rem;
                font-size: 0.85rem;
            }
            .card-custom .card-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .guide-card .guide-img {
                height: 130px;
                font-size: 2rem;
            }
            .rank-item {
                padding: 0.7rem 0.9rem;
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .rank-item .rank-num {
                width: 24px;
                font-size: 0.9rem;
            }
            .faq-item {
                padding: 0.9rem 1.1rem;
            }
            .faq-item .faq-question {
                font-size: 0.92rem;
            }
            .footer-section {
                padding: 2.5rem 0 1rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--text-white), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .gap-3 {
            gap: 1.5rem;
        }