/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3fc5;
            --primary-dark: #522ba8;
            --primary-light: #8b5cf6;
            --primary-gradient: linear-gradient(135deg, #6c3fc5 0%, #8b5cf6 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-body: #f8f7fc;
            --bg-card: #ffffff;
            --bg-dark: #1a1035;
            --bg-section-alt: #f0ecf9;
            --text-primary: #1a1035;
            --text-secondary: #4b3b6b;
            --text-muted: #8a7aa8;
            --text-light: #ffffff;
            --border-color: #e4ddf2;
            --shadow-sm: 0 2px 8px rgba(108, 63, 197, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 63, 197, 0.12);
            --shadow-lg: 0 20px 60px rgba(108, 63, 197, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        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-primary);
            line-height: 1.7;
            padding-top: var(--header-height);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 0.5em;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: 0 1px 20px rgba(108, 63, 197, 0.06);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .site-logo:hover {
            color: var(--primary-dark);
            transform: scale(1.02);
        }
        .site-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }
        .site-logo .logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-nav .nav-item {
            position: relative;
        }
        .navbar-nav .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(108, 63, 197, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(108, 63, 197, 0.12);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: var(--primary-gradient);
            color: #fff !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(108, 63, 197, 0.3);
            border: none;
            cursor: pointer;
        }
        .nav-cta-btn:hover,
        .nav-cta-btn:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 63, 197, 0.4);
            background: linear-gradient(135deg, #7a4fd6 0%, #9d6ff7 100%);
        }
        .nav-cta-btn i {
            font-size: 14px;
        }
        .navbar-toggler {
            border: none;
            padding: 8px 12px;
            background: rgba(108, 63, 197, 0.08);
            border-radius: var(--radius-sm);
            color: var(--primary);
            font-size: 22px;
            transition: var(--transition);
            display: none;
        }
        .navbar-toggler:hover {
            background: rgba(108, 63, 197, 0.16);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid var(--primary-light);
        }
        @media (max-width: 991.98px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 24px 32px;
                transform: translateX(100%);
                transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                overflow-y: auto;
                z-index: 1040;
                border-top: 1px solid var(--border-color);
            }
            .navbar-collapse.show {
                transform: translateX(0);
            }
            .navbar-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .navbar-nav .nav-link {
                padding: 14px 20px;
                font-size: 17px;
                border-radius: var(--radius-md);
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(108, 63, 197, 0.12);
            }
            .nav-cta-btn {
                justify-content: center;
                margin-top: 12px;
                padding: 14px 28px;
                font-size: 17px;
            }
            .navbar-toggler[aria-expanded="true"] {
                background: rgba(108, 63, 197, 0.16);
            }
        }
        @media (max-width: 576px) {
            .site-logo {
                font-size: 20px;
            }
            .site-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .navbar-collapse {
                padding: 20px 16px;
            }
        }

        /* ===== 首屏 Hero ===== */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-body);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 63, 197, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 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: 6px 20px;
            background: rgba(108, 63, 197, 0.1);
            border: 1px solid rgba(108, 63, 197, 0.2);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-title .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 19px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(108, 63, 197, 0.3);
            cursor: pointer;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 63, 197, 0.4);
            color: #fff;
            background: linear-gradient(135deg, #7a4fd6 0%, #9d6ff7 100%);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(108, 63, 197, 0.2);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual-inner {
            width: 100%;
            max-width: 520px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .hero-visual-inner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
        }
        .hero-visual-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-visual-card {
            padding: 20px 16px;
            background: var(--bg-section-alt);
            border-radius: var(--radius-sm);
            text-align: center;
            transition: var(--transition);
        }
        .hero-visual-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .hero-visual-card .icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .hero-visual-card .vtitle {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hero-visual-card .vdesc {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 991.98px) {
            .hero-section {
                padding: 60px 0 50px;
            }
            .hero-title {
                font-size: 38px;
            }
            .hero-subtitle {
                font-size: 17px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-item .number {
                font-size: 26px;
            }
            .hero-visual {
                margin-top: 40px;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .hero-visual-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            text-align: center;
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-title-left {
            text-align: left;
        }
        .section-subtitle-left {
            text-align: left;
            margin-left: 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
        }

        /* ===== 平台优势 ===== */
        .advantages-section {
            background: var(--bg-card);
        }
        .advantage-card {
            padding: 32px 24px;
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .advantage-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: var(--primary-gradient);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 63, 197, 0.2);
        }
        .advantage-card .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .advantage-card .card-text {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .advantage-card {
                padding: 24px 16px;
            }
        }

        /* ===== 分类入口 ===== */
        .categories-section {
            background: var(--bg-section-alt);
        }
        .category-card {
            position: relative;
            padding: 36px 28px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            text-align: center;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card .cat-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: var(--bg-section-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: var(--primary);
            transition: var(--transition);
        }
        .category-card:hover .cat-icon {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 63, 197, 0.25);
        }
        .category-card .cat-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .category-card .cat-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .category-card .cat-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .category-card:hover .cat-link i {
            transform: translateX(4px);
        }
        @media (max-width: 768px) {
            .category-card {
                padding: 24px 16px;
            }
            .category-card .cat-title {
                font-size: 19px;
            }
        }

        /* ===== 最新资讯列表 ===== */
        .news-section {
            background: var(--bg-card);
        }
        .news-card {
            display: flex;
            gap: 24px;
            padding: 24px 28px;
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .news-card .news-category {
            display: inline-flex;
            padding: 4px 14px;
            background: rgba(108, 63, 197, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            margin-bottom: 8px;
        }
        .news-card .news-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card .news-title a {
            color: var(--text-primary);
        }
        .news-card .news-title a:hover {
            color: var(--primary);
        }
        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-card .news-meta i {
            margin-right: 4px;
        }
        .news-card .news-thumb {
            width: 140px;
            min-height: 100px;
            background: var(--bg-section-alt);
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--text-muted);
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 16px;
        }
        .news-empty i {
            font-size: 40px;
            color: var(--border-color);
            margin-bottom: 16px;
            display: block;
        }
        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                padding: 20px 16px;
                gap: 16px;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 140px;
                order: -1;
            }
            .news-card .news-title {
                font-size: 16px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 63, 197, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .stats-section .section-title,
        .stats-section .section-subtitle {
            color: var(--text-light);
        }
        .stats-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            position: relative;
            z-index: 2;
        }
        .stat-item .stat-number {
            font-size: 48px;
            font-weight: 800;
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 36px;
            color: rgba(255, 255, 255, 0.15);
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .stat-item .stat-number {
                font-size: 36px;
            }
            .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== 使用流程 ===== */
        .process-section {
            background: var(--bg-card);
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .process-step .step-number {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 63, 197, 0.25);
        }
        .process-step .step-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step .step-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .process-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .process-connector {
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 24px;
                color: var(--border-color);
            }
        }
        @media (max-width: 767.98px) {
            .process-step {
                padding: 20px 12px;
                border-bottom: 1px solid var(--border-color);
            }
            .process-step:last-child {
                border-bottom: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section-alt);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: -3px;
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -150px;
            right: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 0;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-content .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 18px 48px;
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            cursor: pointer;
        }
        .cta-content .btn-cta:hover,
        .cta-content .btn-cta:focus {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }
        @media (max-width: 768px) {
            .cta-content {
                padding: 40px 0;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .cta-content p {
                font-size: 16px;
            }
            .cta-content .btn-cta {
                width: 100%;
                justify-content: center;
                padding: 16px 32px;
                font-size: 16px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 0;
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer .footer-logo {
            font-size: 28px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            display: inline-block;
        }
        .site-footer .footer-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
            line-height: 1.7;
        }
        .site-footer .footer-heading {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .site-footer .footer-links a i {
            font-size: 10px;
        }
        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-contact li i {
            color: var(--primary-light);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom .footer-legal a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
            margin-left: 20px;
            transition: var(--transition);
        }
        .site-footer .footer-bottom .footer-legal a:hover {
            color: #fff;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 18px;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-bottom .footer-legal a {
                margin: 0 10px;
            }
            .site-footer .footer-logo {
                font-size: 24px;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            transition: var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        @media (max-width: 576px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

        /* ===== Bootstrap 覆盖 ===== */
        .btn-check:focus+.btn,
        .btn:focus {
            box-shadow: none;
        }
        .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(108, 63, 197, 0.15);
        }

        /* ===== 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);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --primary-bg: rgba(108, 92, 231, 0.08);
            --accent: #fd79a8;
            --accent-dark: #e84393;
            --success: #00b894;
            --warning: #fdcb6e;
            --dark: #2d3436;
            --darker: #1a1a2e;
            --gray-100: #f8f9fa;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-500: #6c757d;
            --gray-700: #495057;
            --gray-900: #212529;
            --body-bg: #f5f6fa;
            --card-bg: #ffffff;
            --text-primary: #2d3436;
            --text-secondary: #636e72;
            --text-muted: #b2bec3;
            --border-color: #e8e8e8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 40px rgba(108,92,231,0.18);
            --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 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background-color: var(--body-bg);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--dark);
            text-decoration: none;
        }
        .site-logo:hover { color: var(--primary); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 10px;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .logo-text { letter-spacing: -0.5px; }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover { background: var(--gray-100); }
        .navbar-collapse { display: flex; align-items: center; }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-link {
            padding: 8px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--primary); background: var(--primary-bg); }
        .nav-link.active { color: var(--primary); background: var(--primary-bg); }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(108,92,231,0.35);
            margin-left: 12px;
        }
        .nav-cta-btn i { font-size: 0.85rem; transition: var(--transition); }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--primary-dark), #4a3db8);
            color: #fff !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108,92,231,0.45);
        }
        .nav-cta-btn:hover i { transform: translateX(4px); }
        @media (max-width: 991px) {
            .navbar-toggler { display: block; }
            .navbar-collapse {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
            }
            .navbar-collapse.open { display: flex; }
            .navbar-nav {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .nav-link {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after { display: none; }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
        }

        /* ===== 文章详情 ===== */
        .article-wrapper {
            padding: 60px 0 80px;
        }
        .article-main {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 56px;
            transition: var(--transition);
        }
        @media (max-width: 768px) {
            .article-main { padding: 24px 20px; }
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--text-secondary); }
        .article-breadcrumb a:hover { color: var(--primary); }
        .article-breadcrumb .sep { color: var(--text-muted); font-size: 0.7rem; }
        .article-breadcrumb .current { color: var(--text-secondary); font-weight: 600; }
        .article-category-badge {
            display: inline-block;
            padding: 6px 18px;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        @media (max-width: 768px) {
            .article-title { font-size: 1.6rem; }
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i { font-size: 0.9rem; }
        .article-meta-item .cat-link { color: var(--primary); font-weight: 600; }
        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content h2, .article-content h3, .article-content h4 {
            font-weight: 700;
            color: var(--dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-content h2 { font-size: 1.75rem; }
        .article-content h3 { font-size: 1.4rem; }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content a { color: var(--primary); font-weight: 600; text-decoration: underline; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content code {
            background: var(--gray-100);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent-dark);
        }
        .article-content pre {
            background: var(--darker);
            color: #f8f9fa;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--gray-100);
            color: var(--text-secondary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tag:hover { background: var(--primary-bg); color: var(--primary); }
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: var(--gray-100);
            border-radius: var(--radius-md);
            transition: var(--transition);
            flex: 1;
            max-width: 48%;
        }
        .article-nav-link:hover { background: var(--primary-bg); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
        .article-nav-link .dir { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
        .article-nav-link .title { font-weight: 600; color: var(--text-primary); line-height: 1.3; }
        .article-nav-link i { color: var(--primary); font-size: 1.1rem; }
        .article-nav-next { text-align: right; flex-direction: row-reverse; }

        /* ===== 侧边栏 ===== */
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px 28px;
            margin-bottom: 32px;
            transition: var(--transition);
        }
        .sidebar-card:hover { box-shadow: var(--shadow-md); }
        .sidebar-heading {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-heading i { color: var(--primary); font-size: 1.1rem; }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-list-item:last-child { border-bottom: none; }
        .sidebar-list-item a {
            display: flex;
            gap: 12px;
            color: var(--text-primary);
            font-weight: 500;
            line-height: 1.4;
        }
        .sidebar-list-item a:hover { color: var(--primary); }
        .sidebar-list-item .item-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 400;
            margin-top: 4px;
        }
        .sidebar-list-item .num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--gray-100);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .sidebar-list-item .num.top { background: var(--primary); color: #fff; }
        .sidebar-cat-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-cat-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .sidebar-cat-item:last-child { border-bottom: none; }
        .sidebar-cat-item a { color: var(--text-secondary); font-weight: 500; }
        .sidebar-cat-item a:hover { color: var(--primary); }
        .sidebar-cat-item .count {
            background: var(--gray-100);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
        }
        .sidebar-cta h4 { font-weight: 700; font-size: 1.2rem; margin-bottom: 12px; }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 20px; }
        .sidebar-cta .btn-light-custom {
            display: inline-block;
            padding: 12px 32px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
        }
        .sidebar-cta .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.25);
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--darker);
            color: rgba(255,255,255,0.85);
            padding: 64px 0 0;
        }
        .site-footer .footer-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .site-footer .footer-desc {
            color: rgba(255,255,255,0.6);
            line-height: 1.8;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            border-radius: 50%;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }
        .site-footer .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li { margin-bottom: 10px; }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-links a i { font-size: 0.6rem; color: var(--primary); }
        .site-footer .footer-links a:hover { color: #fff; padding-left: 4px; }
        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            color: rgba(255,255,255,0.6);
            font-size: 0.95rem;
        }
        .site-footer .footer-contact li i {
            width: 20px;
            color: var(--primary);
            font-size: 1rem;
        }
        .site-footer .footer-bottom {
            margin-top: 48px;
            padding: 24px 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a:hover { color: #fff; }

        /* ===== 文章未找到 ===== */
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .article-not-found .icon-big {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .article-wrapper { padding: 40px 0 60px; }
            .article-main { padding: 32px 28px; }
            .article-title { font-size: 1.8rem; }
            .article-nav { flex-direction: column; }
            .article-nav-link { max-width: 100%; }
            .site-footer { padding: 48px 0 0; }
        }
        @media (max-width: 768px) {
            .article-wrapper { padding: 24px 0 48px; }
            .article-main { padding: 20px 16px; border-radius: var(--radius-md); }
            .article-title { font-size: 1.4rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .article-content { font-size: 1rem; }
            .article-content h2 { font-size: 1.4rem; }
            .article-content h3 { font-size: 1.2rem; }
            .sidebar-card { padding: 24px 20px; }
            .site-footer .footer-logo { font-size: 1.3rem; }
            .site-footer .footer-heading { font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .article-title { font-size: 1.2rem; }
            .article-meta { flex-direction: column; gap: 6px; }
            .article-nav-link { padding: 12px 16px; }
            .article-nav-link .title { font-size: 0.9rem; }
        }

        /* ===== 辅助 ===== */
        .text-primary-custom { color: var(--primary); }
        .bg-primary-soft { background: var(--primary-bg); }
        .rounded-custom { border-radius: var(--radius-md); }
        .shadow-custom { box-shadow: var(--shadow-sm); }
        .mb-section { margin-bottom: 60px; }
        @media (max-width: 768px) { .mb-section { margin-bottom: 40px; } }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a4c8e;
            --primary-light: #2a6bc4;
            --primary-dark: #0e3363;
            --secondary: #f0a500;
            --secondary-light: #ffc107;
            --accent: #e85d3a;
            --bg-body: #f5f7fb;
            --bg-white: #ffffff;
            --bg-light: #eef2f7;
            --bg-dark: #1a1e2b;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4e69;
            --text-light: #8a8da8;
            --text-white: #ffffff;
            --border-color: #e2e6ee;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 76, 142, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 76, 142, 0.10);
            --shadow-lg: 0 12px 40px rgba(26, 76, 142, 0.14);
            --shadow-hover: 0 16px 48px rgba(26, 76, 142, 0.18);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

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

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 230, 238, 0.70);
            transition: var(--transition);
            box-shadow: 0 1px 12px rgba(26, 76, 142, 0.04);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo:hover {
            text-decoration: none;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 12px rgba(26, 76, 142, 0.25);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo-text span {
            color: var(--secondary);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: var(--bg-light);
        }
        .navbar-collapse {
            display: flex;
            align-items: center;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 76, 142, 0.06);
            text-decoration: none;
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(26, 76, 142, 0.10);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(26, 76, 142, 0.30);
            margin-left: 12px;
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 76, 142, 0.40);
            color: #fff !important;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary)) !important;
        }
        .nav-cta-btn i {
            font-size: 0.85rem;
        }

        @media (max-width: 991px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-110%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                flex-direction: column;
                align-items: stretch;
                max-height: 80vh;
                overflow-y: auto;
            }
            .navbar-collapse.show {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .navbar-nav {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        /* ===== 页面主体 ===== */
        .main-content {
            padding-top: var(--nav-height);
        }

        /* ===== 页面横幅 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.70);
            margin-bottom: 0;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.80);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb-custom span {
            color: rgba(255, 255, 255, 0.60);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0 44px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block-alt {
            background: var(--bg-light);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin-bottom: 20px;
        }
        .text-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 76, 142, 0.08);
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .card-custom:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .card-custom p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(26, 76, 142, 0.08);
            border-radius: 20px;
            margin-bottom: 12px;
        }

        /* ===== 步骤/流程 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 50%;
            box-shadow: 0 4px 12px rgba(26, 76, 142, 0.25);
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M50 50v-8h-4v8h-8v4h8v8h4v-8h8v-4h-8zM50 10V2h-4v8h-8v4h8v8h4v-8h8v-4h-8zM10 50v-8H6v8H2v4h4v8h4v-8h8v-4H10zM10 10V2H6v8H2v4h4v8h4v-8h8v-4H10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.20);
            transition: var(--transition);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.30);
            color: var(--primary-dark);
            text-decoration: none;
        }
        .cta-btn i {
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .cta-btn:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-btn {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 32px;
        }
        .site-footer .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .site-footer .footer-desc {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.60);
            line-height: 1.7;
            max-width: 360px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.70);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
            text-decoration: none;
        }
        .footer-links a i {
            font-size: 0.65rem;
            color: var(--secondary);
        }
        .footer-contact {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            margin-bottom: 10px;
        }
        .footer-contact li i {
            width: 20px;
            color: var(--secondary);
            font-size: 0.95rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-logo {
                font-size: 1.3rem;
            }
            .footer-desc {
                max-width: 100%;
            }
            .footer-social {
                margin-bottom: 24px;
            }
            .footer-heading {
                margin-top: 16px;
            }
        }

        /* ===== 文章卡片网格 ===== */
        .article-card {
            background: var(--bg-white);
            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;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .article-card .card-img {
            height: 200px;
            background: linear-gradient(135deg, var(--bg-light), #e8ecf4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .article-card .card-img .img-placeholder {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-card .card-img .card-category {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .article-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-body .meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .article-card .card-body .meta i {
            margin-right: 4px;
        }
        .article-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .article-card .card-body h3 a {
            color: var(--text-primary);
        }
        .article-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .article-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .article-card .card-body .read-more {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .article-card .card-body .read-more:hover {
            gap: 10px;
            color: var(--primary-light);
        }
        .article-card .card-body .read-more i {
            font-size: 0.75rem;
        }

        @media (max-width: 576px) {
            .article-card .card-img {
                height: 160px;
            }
            .article-card .card-body {
                padding: 16px 16px 20px;
            }
            .article-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .tag-item {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-light);
            border-radius: 20px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            text-decoration: none;
        }

        /* ===== 辅助 ===== */
        .text-primary-custom {
            color: var(--primary);
        }
        .bg-primary-soft {
            background: rgba(26, 76, 142, 0.06);
        }
        .mt-section {
            margin-top: 60px;
        }
        @media (max-width: 768px) {
            .mt-section {
                margin-top: 36px;
            }
        }

        /* ===== 特性网格 ===== */
        .feature-icon-lg {
            width: 64px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-md);
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: 0 6px 20px rgba(26, 76, 142, 0.20);
        }
        .feature-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .feature-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .feature-icon-lg {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 24px 16px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --primary-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
            --secondary: #f59e0b;
            --secondary-light: #fef3c7;
            --accent: #10b981;
            --accent-light: #d1fae5;
            --dark: #0f172a;
            --dark-secondary: #1e293b;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --text-inverse: #ffffff;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark-section: #0f172a;
            --border-color: #e2e8f0;
            --border-radius-sm: 6px;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --border-radius-xl: 28px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        button { cursor: pointer; border: none; background: none; font-family: inherit; }
        button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
            h1 { font-size: 1.75rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.25rem; }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,232,240,0.6);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow); }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 800;
            font-size: 1.35rem;
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo:hover { color: var(--primary); }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: var(--border-radius-sm);
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(37,99,235,0.3);
        }
        .logo-text { letter-spacing: -0.02em; }
        .navbar-toggler {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            background: var(--gray-100);
        }
        .navbar-toggler:hover { background: var(--gray-200); }
        .navbar-collapse { display: flex; align-items: center; }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-item { position: relative; }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-link:hover { color: var(--primary); background: var(--primary-light); }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-link.active::after { display: none; }
        .nav-link.nav-cta-btn {
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            padding: 8px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 14px rgba(37,99,235,0.3);
            margin-left: 8px;
        }
        .nav-link.nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37,99,235,0.4);
            color: #fff;
            background: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
        }
        @media (max-width: 991px) {
            .navbar-toggler { display: block; }
            .navbar-collapse {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                align-items: stretch;
            }
            .navbar-collapse.show { display: flex; }
            .navbar-nav {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                justify-content: flex-start;
            }
            .nav-link.nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 576px) {
            .site-header .container-custom { padding: 0 12px; }
            .logo-text { font-size: 1.1rem; }
            .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark-section);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .footer-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-desc { color: rgba(255,255,255,0.6); font-size: 0.95rem; max-width: 360px; }
        .footer-social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.2rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-links, .footer-contact {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .footer-links a i { font-size: 0.6rem; color: var(--secondary); }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .footer-contact li i { color: var(--secondary); width: 18px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
        .footer-bottom a:hover { color: #fff; }
        @media (max-width: 768px) {
            .site-footer { padding: 40px 0 0; }
            .footer-logo { font-size: 1.3rem; }
            .footer-desc { max-width: 100%; }
        }

        /* ===== 通用组件 ===== */
        .section-padding { padding: 80px 0; }
        @media (max-width: 768px) { .section-padding { padding: 50px 0; } }
        .section-title {
            text-align: center;
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        @media (max-width: 768px) { .section-subtitle { font-size: 1rem; margin-bottom: 32px; } }
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 12px;
        }
        .badge-custom.amber { background: var(--secondary-light); color: #b45309; }
        .badge-custom.green { background: var(--accent-light); color: #047857; }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            text-decoration: none;
            cursor: pointer;
        }
        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(37,99,235,0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(37,99,235,0.4);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-custom:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-light-custom {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.25);
        }
        .btn-light-custom:hover { background: rgba(255,255,255,0.25); color: #fff; transform: translateY(-2px); }
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .card-custom h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .card-custom p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0; }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--gray-100);
            color: var(--gray-600);
            transition: var(--transition);
        }
        .tag:hover { background: var(--primary-light); color: var(--primary); }
        .tag.primary { background: var(--primary-light); color: var(--primary); }
        .tag.amber { background: var(--secondary-light); color: #b45309; }
        .tag.green { background: var(--accent-light); color: #047857; }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 4px;
            margin: 16px auto 24px;
        }
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== Hero 分类页 ===== */
        .category-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container-custom { position: relative; z-index: 1; }
        .category-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .category-hero p {
            color: rgba(255,255,255,0.65);
            font-size: 1.15rem;
            max-width: 580px;
            margin-bottom: 28px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
            background: rgba(255,255,255,0.06);
            padding: 16px 28px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255,255,255,0.08);
            min-width: 120px;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .category-hero { padding: 100px 0 40px; text-align: center; }
            .category-hero h1 { font-size: 2rem; }
            .category-hero p { margin-left: auto; margin-right: auto; }
            .category-hero .hero-stats { justify-content: center; gap: 16px; }
            .category-hero .hero-stats .stat-item { padding: 12px 20px; min-width: 100px; }
            .category-hero .hero-stats .stat-number { font-size: 1.4rem; }
        }

        /* ===== 攻略分类导航 ===== */
        .strategy-categories { background: var(--bg-body); }
        .strategy-categories .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .strategy-categories .category-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            display: block;
        }
        .strategy-categories .category-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .strategy-categories .category-item .cat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--border-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin: 0 auto 12px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .strategy-categories .category-item:nth-child(2) .cat-icon { background: var(--secondary-light); color: #b45309; }
        .strategy-categories .category-item:nth-child(3) .cat-icon { background: var(--accent-light); color: #047857; }
        .strategy-categories .category-item:nth-child(4) .cat-icon { background: #f3e8ff; color: #7c3aed; }
        .strategy-categories .category-item h5 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
        .strategy-categories .category-item span { font-size: 0.85rem; color: var(--text-secondary); }
        @media (max-width: 991px) {
            .strategy-categories .category-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .strategy-categories .category-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .strategy-categories .category-item { padding: 16px 12px; }
        }

        /* ===== 热门攻略推荐 ===== */
        .hot-strategies { background: var(--gray-50); }
        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .strategy-card .card-img {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-light) 0%, #e0e7ff 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary);
            position: relative;
        }
        .strategy-card .card-img .overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(0,0,0,0.5);
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .strategy-card:nth-child(2) .card-img { background: linear-gradient(135deg, var(--secondary-light) 0%, #fde68a 100%); color: #b45309; }
        .strategy-card:nth-child(3) .card-img { background: linear-gradient(135deg, var(--accent-light) 0%, #a7f3d0 100%); color: #047857; }
        .strategy-card:nth-child(4) .card-img { background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%); color: #7c3aed; }
        .strategy-card .card-body { padding: 20px 24px 24px; }
        .strategy-card .card-body .meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-light); margin-bottom: 8px; }
        .strategy-card .card-body .meta i { margin-right: 4px; }
        .strategy-card .card-body h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .strategy-card .card-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; }
        .strategy-card .card-body .tags { display: flex; gap: 6px; flex-wrap: wrap; }
        @media (max-width: 768px) {
            .strategy-card .card-img { height: 160px; font-size: 2.5rem; }
            .strategy-card .card-body { padding: 16px 18px 20px; }
        }

        /* ===== 技巧精选 ===== */
        .tips-section { background: var(--bg-card); }
        .tip-item {
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .tip-item:last-child { border-bottom: none; }
        .tip-item .tip-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--border-radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .tip-item:nth-child(2) .tip-num { background: var(--secondary-light); color: #b45309; }
        .tip-item:nth-child(3) .tip-num { background: var(--accent-light); color: #047857; }
        .tip-item:nth-child(4) .tip-num { background: #f3e8ff; color: #7c3aed; }
        .tip-item:nth-child(5) .tip-num { background: #fce7f3; color: #db2777; }
        .tip-item .tip-content h5 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
        .tip-item .tip-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0; }
        @media (max-width: 576px) {
            .tip-item { flex-direction: column; gap: 8px; }
        }

        /* ===== 达人榜 ===== */
        .expert-section { background: var(--gray-50); }
        .expert-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .expert-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .expert-card .avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 2rem;
            color: #fff;
            font-weight: 700;
        }
        .expert-card:nth-child(2) .avatar { background: linear-gradient(135deg, #f59e0b, #d97706); }
        .expert-card:nth-child(3) .avatar { background: linear-gradient(135deg, #10b981, #059669); }
        .expert-card:nth-child(4) .avatar { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
        .expert-card h5 { font-size: 1.05rem; font-weight: 700; margin-bottom: 2px; }
        .expert-card .role { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 6px; }
        .expert-card .stats { display: flex; justify-content: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); }
        .expert-card .stats i { color: var(--secondary); margin-right: 4px; }
        @media (max-width: 576px) {
            .expert-card { padding: 18px; }
            .expert-card .avatar { width: 56px; height: 56px; font-size: 1.5rem; }
        }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-card); }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: var(--bg-body);
            transition: var(--transition);
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
        }
        .faq-question:hover { background: var(--gray-50); }
        .faq-question i { transition: var(--transition); color: var(--primary); font-size: 0.9rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }
        @media (max-width: 576px) {
            .faq-question { padding: 14px 16px; font-size: 0.95rem; }
            .faq-answer { padding: 0 16px 14px; }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark-section);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(37,99,235,0.12) 0%, transparent 60%),
                        radial-gradient(circle at 70% 50%, rgba(124,58,237,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .container-custom { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.6); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-section .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        @media (max-width: 768px) {
            .cta-section { padding: 50px 0; }
            .cta-section h2 { font-size: 1.6rem; }
        }

        /* ===== 辅助 ===== */
        .bg-soft-primary { background: var(--primary-light); }
        .bg-soft-gray { background: var(--gray-50); }
        .text-primary-custom { color: var(--primary); }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 8px; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .flex-wrap { flex-wrap: wrap; }
        .align-items-center { align-items: center; }
        .justify-content-center { justify-content: center; }
        .d-flex { display: flex; }
        .text-center { text-align: center; }
        .w-100 { width: 100%; }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6C3CF5;
            --primary-dark: #5228D4;
            --primary-light: #8B6AF8;
            --primary-gradient: linear-gradient(135deg, #6C3CF5 0%, #3A1C8E 100%);
            --secondary: #FF6B35;
            --secondary-light: #FF8F5E;
            --accent: #00D4AA;
            --bg-dark: #0D0A1A;
            --bg-card: #14102B;
            --bg-card-hover: #1C1740;
            --bg-section: #F8F6FF;
            --text-white: #FFFFFF;
            --text-light: #D0CBEB;
            --text-muted: #9A94B8;
            --text-body: #2D2A4A;
            --border-color: rgba(108, 60, 245, 0.2);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(108, 60, 245, 0.08);
            --shadow-md: 0 8px 28px rgba(108, 60, 245, 0.15);
            --shadow-lg: 0 20px 60px rgba(108, 60, 245, 0.20);
            --shadow-glow: 0 0 40px rgba(108, 60, 245, 0.30);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
        }

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

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

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

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

        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;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }

        .display-1 {
            font-size: clamp(2.2rem, 5.5vw, 4.2rem);
            font-weight: 800;
            letter-spacing: -0.03em;
        }
        .display-2 {
            font-size: clamp(1.8rem, 4vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
        }

        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== Container ===== */
        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-white) !important;
            font-weight: 700;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .site-logo:hover {
            opacity: 0.9;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(108, 60, 245, 0.35);
        }

        .logo-text {
            letter-spacing: -0.02em;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-toggler:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .navbar-collapse {
            display: flex;
            align-items: center;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-link.active {
            color: var(--text-white);
            background: rgba(108, 60, 245, 0.20);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: var(--primary-gradient) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: 50px !important;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.35);
            margin-left: 8px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 245, 0.45);
            color: #fff !important;
        }
        .nav-cta-btn.active::after {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(13, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-light);
                display: none;
                max-height: 80vh;
                overflow-y: auto;
            }
            .navbar-collapse.show {
                display: flex;
            }
            .navbar-nav {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                justify-content: flex-start;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(108, 60, 245, 0.15);
                border-left: 3px solid var(--primary);
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                text-align: center;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 60, 245, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.6rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .page-hero .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }
        .breadcrumb-custom .current {
            color: var(--text-white);
            font-weight: 500;
        }

        /* ===== Sections ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

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

        /* ===== Cards ===== */
        .card-event {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-event:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .card-event .card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: linear-gradient(135deg, #2D1B69, #14102B);
        }
        .card-event .card-image .placeholder-img {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(255, 255, 255, 0.10);
        }
        .card-event .card-image .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        .badge-hot {
            background: #FF6B35;
            color: #fff;
        }
        .badge-new {
            background: #00D4AA;
            color: #0D0A1A;
        }
        .badge-limited {
            background: #FFD700;
            color: #0D0A1A;
        }

        .card-event .card-body {
            padding: 24px;
        }
        .card-event .card-body .event-tag {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(108, 60, 245, 0.15);
            color: var(--primary-light);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .card-event .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .card-event .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .card-event .card-body .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .card-event .card-body .event-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== Filter Tabs ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 22px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: transparent;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--primary);
            color: var(--text-white);
        }
        .filter-tabs .filter-btn.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.3);
        }
        .filter-tabs .filter-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Featured Event ===== */
        .featured-event {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            transition: var(--transition);
        }
        .featured-event:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .featured-event .fe-left {
            flex: 1 1 280px;
            min-height: 240px;
            background: linear-gradient(135deg, #2D1B69, #1A0F3A);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: rgba(255, 255, 255, 0.08);
        }
        .featured-event .fe-right {
            flex: 2 1 400px;
        }
        .featured-event .fe-right .fe-badge {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(255, 107, 53, 0.20);
            color: var(--secondary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .featured-event .fe-right h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .featured-event .fe-right p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .featured-event .fe-right .fe-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .featured-event .fe-right .fe-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }

        /* ===== Process / Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }
        .process-step:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.3);
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-item:not(:last-child) {
            margin-bottom: 12px;
        }

        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(108, 60, 245, 0.10);
            color: var(--text-white);
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }
        .faq-accordion .accordion-button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            background: var(--bg-card);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.80);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.20);
            text-decoration: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.30);
            background: #f0f0ff;
            color: var(--primary-dark);
        }
        .cta-section .btn-cta:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 4px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            color: var(--text-muted);
        }
        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .site-footer .footer-desc {
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-links i {
            font-size: 0.65rem;
            opacity: 0.6;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .site-footer .footer-contact i {
            color: var(--primary-light);
            width: 20px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .site-footer .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .site-footer .footer-logo {
                text-align: center;
            }
            .site-footer .footer-desc {
                max-width: 100%;
                text-align: center;
            }
            .site-footer .footer-social {
                justify-content: center;
            }
            .site-footer .footer-heading {
                margin-top: 16px;
            }
            .featured-event {
                padding: 24px;
            }
            .cta-section {
                padding: 40px 24px;
            }
        }

        /* ===== Buttons ===== */
        .btn-outline-primary {
            border: 2px solid var(--primary);
            color: var(--primary-light);
            background: transparent;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.3);
        }
        .btn-outline-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background: var(--primary-gradient);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(108, 60, 245, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(108, 60, 245, 0.4);
            color: #fff;
        }
        .btn-primary-custom:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ===== Misc ===== */
        .text-muted {
            color: var(--text-muted) !important;
        }
        .text-white {
            color: var(--text-white) !important;
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .mb-1 {
            margin-bottom: 4px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mb-5 {
            margin-bottom: 40px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mt-5 {
            margin-top: 40px;
        }

        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
            margin: 12px 0 24px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .page-hero {
                padding: 120px 0 60px;
            }
        }

        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .lead {
                font-size: 1rem;
            }
            .filter-tabs {
                gap: 6px;
            }
            .filter-tabs .filter-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .card-event .card-image {
                height: 160px;
            }
            .featured-event .fe-left {
                min-height: 180px;
                font-size: 3rem;
            }
            .featured-event .fe-right h2 {
                font-size: 1.3rem;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 400px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
            .site-logo .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }