/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #00cec9;
            --secondary-dark: #00b5b0;
            --accent: #fdcb6e;
            --accent-dark: #f0b83e;
            --dark: #1e1e2f;
            --dark-card: #2a2a40;
            --light-bg: #f4f6fb;
            --white: #ffffff;
            --text: #1e1e2f;
            --text-light: #636e72;
            --text-white: #f8f9fa;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(108, 92, 231, 0.12);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.22);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        }

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

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

        /* ===== 导航 ===== */
        .navbar-main {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 0 0;
            height: 72px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
            transition: background var(--transition), box-shadow var(--transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .navbar-main .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color var(--transition);
        }
        .navbar-brand:hover {
            color: var(--primary-dark);
        }
        .navbar-brand i {
            font-size: 1.6rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--white);
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
        }
        .navbar-nav .nav-link.active:hover {
            color: var(--white);
            background: var(--primary-dark);
        }
        .navbar-cta {
            margin-left: 12px;
        }
        .navbar-cta .btn-login {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
        }
        .navbar-cta .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.4);
            background: linear-gradient(135deg, var(--primary-dark), #4a3db8);
        }
        .navbar-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            .navbar-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 2px solid var(--border);
                z-index: 1040;
            }
            .navbar-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 8px;
                width: 100%;
            }
            .navbar-cta .btn-login {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
            .navbar-toggle {
                display: block;
            }
        }
        @media (max-width: 576px) {
            .navbar-main {
                height: 64px;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-brand i {
                font-size: 1.3rem;
            }
            .navbar-nav {
                top: 64px;
                padding: 12px 16px 20px;
            }
        }

        /* ===== Hero 分屏 ===== */
        .hero-section {
            position: relative;
            background: var(--white);
            overflow: hidden;
            min-height: 88vh;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 52%;
            height: 100%;
            background: linear-gradient(145deg, #f0edff, #e8f8f7);
            border-radius: 0 0 0 80px;
            z-index: 0;
            pointer-events: none;
        }
        .hero-section .container-custom {
            position: relative;
            z-index: 1;
            width: 100%;
        }
        .hero-left {
            padding: 60px 0 60px 0;
        }
        .hero-left .badge-hero {
            display: inline-block;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
            border: 1px solid rgba(108, 92, 231, 0.15);
        }
        .hero-left h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 20px;
        }
        .hero-left h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-left .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-left .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-left .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            padding: 16px 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-left .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
            background: linear-gradient(135deg, var(--primary-dark), #4a3db8);
            color: var(--white);
        }
        .hero-left .btn-outline-custom {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-left .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.1);
        }
        .hero-left .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .hero-left .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .hero-left .hero-meta-item i {
            color: var(--secondary);
            font-size: 1.1rem;
        }
        .hero-right {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
            position: relative;
        }
        .hero-right .hero-illustration {
            width: 100%;
            max-width: 500px;
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, #e8e0ff, #d4f5f3);
            padding: 20px;
            box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
            position: relative;
        }
        .hero-right .hero-illustration img {
            border-radius: var(--radius);
            width: 100%;
            height: auto;
        }
        .hero-right .floating-badge {
            position: absolute;
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            animation: float 3s ease-in-out infinite;
        }
        .hero-right .floating-badge i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .hero-right .floating-badge.badge-1 {
            top: 10%;
            right: -5%;
            animation-delay: 0s;
        }
        .hero-right .floating-badge.badge-2 {
            bottom: 15%;
            left: -8%;
            animation-delay: 1.5s;
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        @media (max-width: 992px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0 20px;
            }
            .hero-section::before {
                width: 100%;
                height: 40%;
                border-radius: 0 0 60px 60px;
                top: 0;
                right: 0;
            }
            .hero-left {
                padding: 40px 0 20px;
                text-align: center;
            }
            .hero-left h1 {
                font-size: 2.4rem;
            }
            .hero-left .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-left .hero-actions {
                justify-content: center;
            }
            .hero-left .hero-meta {
                justify-content: center;
            }
            .hero-right {
                padding: 20px 0 40px;
            }
            .hero-right .hero-illustration {
                max-width: 400px;
            }
            .hero-right .floating-badge.badge-1 {
                right: 0;
            }
            .hero-right .floating-badge.badge-2 {
                left: 0;
            }
        }
        @media (max-width: 576px) {
            .hero-left h1 {
                font-size: 1.8rem;
            }
            .hero-left .hero-desc {
                font-size: 1rem;
            }
            .hero-left .btn-primary-custom,
            .hero-left .btn-outline-custom {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
            .hero-left .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-left .hero-meta {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .hero-right .floating-badge {
                display: none;
            }
        }

        /* ===== 通用板块标题 ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 40px auto;
            text-align: center;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .badge-section {
            display: inline-block;
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 平台简介板块 ===== */
        .intro-section {
            padding: 80px 0;
            background: var(--light-bg);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-content h2 {
            font-size: 2rem;
            margin-bottom: 20px;
        }
        .intro-content p {
            font-size: 1.05rem;
            margin-bottom: 24px;
            color: var(--text-light);
        }
        .intro-content .intro-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .intro-content .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 0.98rem;
            color: var(--text);
        }
        .intro-content .intro-list li i {
            color: var(--secondary);
            font-size: 1.2rem;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .intro-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .intro-visual .intro-card-stack {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            width: 100%;
            max-width: 420px;
            border: 1px solid var(--border);
        }
        .intro-visual .intro-card-stack .stat-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 24px;
        }
        .intro-visual .intro-card-stack .stat-item {
            text-align: center;
            padding: 16px 8px;
            background: var(--light-bg);
            border-radius: var(--radius-sm);
        }
        .intro-visual .intro-card-stack .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .intro-visual .intro-card-stack .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .intro-visual .intro-card-stack .stat-desc {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }
        @media (max-width: 992px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .intro-content h2 {
                font-size: 1.6rem;
            }
            .intro-visual .intro-card-stack {
                max-width: 360px;
            }
        }
        @media (max-width: 576px) {
            .intro-section {
                padding: 48px 0;
            }
            .intro-content h2 {
                font-size: 1.4rem;
            }
            .intro-content p {
                font-size: 0.95rem;
            }
            .intro-visual .intro-card-stack .stat-row {
                gap: 12px;
            }
            .intro-visual .intro-card-stack .stat-item .num {
                font-size: 1.4rem;
            }
        }

        /* ===== 分类入口板块 ===== */
        .categories-section {
            padding: 80px 0;
            background: var(--white);
        }
        .categories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .category-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            border-radius: 0 4px 4px 0;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .category-card .cat-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--white);
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }
        .category-card .cat-icon.icon-2 {
            background: linear-gradient(135deg, var(--secondary), #81ecec);
        }
        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .category-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
            transition: gap var(--transition);
        }
        .category-card .cat-link:hover {
            gap: 14px;
            color: var(--primary-dark);
        }
        @media (max-width: 768px) {
            .categories-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-card {
                padding: 28px 24px;
            }
            .category-card h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 576px) {
            .categories-section {
                padding: 48px 0;
            }
            .category-card .cat-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }

        /* ===== 最新资讯列表 (CMS) ===== */
        .news-section {
            padding: 80px 0;
            background: var(--light-bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .news-card .news-img {
            height: 190px;
            background: linear-gradient(145deg, #e8e0ff, #d4f5f3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .news-card .news-img .news-cat-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .news-card .news-body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-body .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        .news-card .news-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-body h4 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .news-card .news-body h4 a:hover {
            color: var(--primary);
        }
        .news-card .news-body .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-card .news-body .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .news-card .news-body .news-meta .news-category {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            background: rgba(108, 92, 231, 0.08);
            padding: 2px 12px;
            border-radius: 50px;
        }
        .news-card .news-body .news-meta .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-card .news-body .news-meta .read-more:hover {
            color: var(--primary);
            gap: 8px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .news-empty i {
            font-size: 2.5rem;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card .news-img {
                height: 160px;
            }
        }
        @media (max-width: 576px) {
            .news-section {
                padding: 48px 0;
            }
            .news-card .news-body {
                padding: 18px 18px 16px;
            }
            .news-card .news-body h4 {
                font-size: 1rem;
            }
        }

        /* ===== 数据统计板块 ===== */
        .stats-section {
            padding: 80px 0;
            background: var(--dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(108, 92, 231, 0.08), transparent 70%);
            pointer-events: none;
        }
        .stats-section .section-title,
        .stats-section .section-subtitle {
            color: var(--text-white);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stats-item {
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }
        .stats-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .stats-item .stats-num {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stats-item .stats-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
            font-weight: 500;
        }
        .stats-item .stats-icon {
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 12px;
            opacity: 0.6;
        }
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .stats-section {
                padding: 48px 0;
            }
            .stats-item .stats-num {
                font-size: 2rem;
            }
            .stats-item {
                padding: 16px 12px;
            }
            .stats-item .stats-icon {
                font-size: 1.4rem;
            }
        }

        /* ===== 特色优势板块 ===== */
        .features-section {
            padding: 80px 0;
            background: var(--white);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .feature-card .feat-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--white);
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }
        .feature-card .feat-icon.icon-safe {
            background: linear-gradient(135deg, #00b894, #55efc4);
        }
        .feature-card .feat-icon.icon-fast {
            background: linear-gradient(135deg, #fdcb6e, #f39c12);
        }
        .feature-card .feat-icon.icon-game {
            background: linear-gradient(135deg, #e17055, #d63031);
        }
        .feature-card .feat-icon.icon-phone {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
        }
        .feature-card .feat-icon.icon-headset {
            background: linear-gradient(135deg, #00cec9, #81ecec);
        }
        .feature-card .feat-icon.icon-gift {
            background: linear-gradient(135deg, #fd79a8, #e84393);
        }
        .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .features-section {
                padding: 48px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .feature-card .feat-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
            .feature-card h4 {
                font-size: 1.05rem;
            }
        }

        /* ===== FAQ 板块 ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--light-bg);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.06);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            font-size: 1.1rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
        }
        .faq-item .faq-answer.open {
            display: block;
        }
        @media (max-width: 576px) {
            .faq-section {
                padding: 48px 0;
            }
            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--white);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(108, 92, 231, 0.25);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(255, 255, 255, 0.06), transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            color: var(--white);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 32px;
            position: relative;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
        }
        .cta-box .btn-cta-primary {
            background: var(--white);
            color: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 16px 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
            background: var(--light-bg);
            color: var(--primary-dark);
        }
        .cta-box .btn-cta-outline {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            padding: 14px 36px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-box .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--white);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 28px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .cta-box .btn-cta-primary,
            .cta-box .btn-cta-outline {
                padding: 14px 28px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 576px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-box {
                padding: 32px 20px;
                border-radius: var(--radius);
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .cta-box .cta-actions {
                flex-direction: column;
                gap: 12px;
            }
            .cta-box .btn-cta-primary,
            .cta-box .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
        }
        .footer-main .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-main .footer-brand .logo-footer {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-main .footer-brand .logo-footer i {
            color: var(--primary-light);
        }
        .footer-main .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer-main .footer-brand .social-links {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .footer-main .footer-brand .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .footer-main .footer-brand .social-links a:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }
        .footer-main .footer-col h5 {
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-main .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-main .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-main .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-main .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-main .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-main .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 992px) {
            .footer-main .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer-main {
                padding: 32px 0 24px;
            }
            .footer-main .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-main .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 通用辅助 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .divider {
            width: 48px;
            height: 4px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 20px;
        }
        .btn:focus,
        a:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }
        .btn:focus:not(:focus-visible),
        a:focus:not(:focus-visible) {
            outline: none;
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-body: #0f0e1a;
            --bg-card: #1a1930;
            --bg-card-hover: #222145;
            --bg-section: #13122a;
            --bg-dark: #0b0a16;
            --text-primary: #f0eff6;
            --text-secondary: #b0aec8;
            --text-muted: #7a78a0;
            --border-color: #2d2b4a;
            --border-light: #3d3b5e;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.08);
            --shadow: 0 8px 32px rgba(108, 92, 231, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --container-w: 1200px;
            --nav-height: 72px;
        }

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

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

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

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #c8c4ff;
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

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

        /* ===== 导航 ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(15, 14, 26, 0.88);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary) !important;
            letter-spacing: -0.3px;
        }
        .navbar-brand i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .navbar-brand:hover {
            color: var(--primary-light) !important;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-primary) !important;
            background: rgba(108, 92, 231, 0.1);
        }
        .nav-link.active {
            color: #fff !important;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
        }
        .nav-link.active:hover {
            background: var(--primary-dark);
        }

        .navbar-cta {
            margin-left: 12px;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--secondary), #e84393);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.92rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(253, 121, 168, 0.3);
        }
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(253, 121, 168, 0.45);
            background: linear-gradient(135deg, #fd89b4, #e84393);
        }
        .btn-login:active {
            transform: translateY(0);
        }

        .navbar-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }
        .navbar-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 992px) {
            .navbar-toggle {
                display: block;
            }

            .navbar-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                align-items: stretch;
            }
            .navbar-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                text-align: center;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 12px;
                text-align: center;
            }
            .btn-login {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
            }
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            padding: 60px 0 40px;
            background: radial-gradient(ellipse at 30% 20%, rgba(108, 92, 231, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 80%, rgba(253, 121, 168, 0.08) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .page-hero .breadcrumb-custom a {
            color: var(--text-secondary);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .page-hero .breadcrumb-custom span {
            color: var(--text-muted);
        }

        .page-hero .sub-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 40px 0 28px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .sub-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== 分类标签筛选 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .filter-tabs .tag-btn {
            padding: 8px 22px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .tag-btn:hover {
            background: var(--bg-card-hover);
            color: var(--text-primary);
            border-color: var(--border-light);
        }
        .filter-tabs .tag-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }

        @media (max-width: 520px) {
            .filter-tabs .tag-btn {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
        }

        /* ===== 攻略卡片网格 ===== */
        .section-guides {
            padding: 50px 0 60px;
        }

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

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg);
            background: var(--bg-card-hover);
        }

        .guide-card .card-img {
            height: 200px;
            background: linear-gradient(145deg, #2d2b4a, #1a1930);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .guide-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 14, 26, 0.7));
        }
        .guide-card .card-img i {
            position: relative;
            z-index: 1;
            opacity: 0.7;
        }
        .guide-card .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(253, 121, 168, 0.4);
        }
        .guide-card .card-badge.hot {
            background: #e17055;
        }
        .guide-card .card-badge.new {
            background: #00b894;
        }

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

        .guide-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .guide-card .card-tags span {
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(108, 92, 231, 0.2);
        }
        .guide-card .card-tags span.tag-hot {
            background: rgba(225, 112, 85, 0.15);
            color: #fab1a0;
            border-color: rgba(225, 112, 85, 0.2);
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
            color: var(--text-primary);
        }
        .guide-card h3 a {
            color: inherit;
        }
        .guide-card h3 a:hover {
            color: var(--primary-light);
        }

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

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .guide-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .guide-card .card-meta i {
            margin-right: 4px;
        }
        .guide-card .card-meta .read-more {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.85rem;
        }
        .guide-card .card-meta .read-more:hover {
            color: #c8c4ff;
        }

        @media (max-width: 1024px) {
            .guides-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .guides-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .guide-card .card-body {
                padding: 18px 18px 20px;
            }
            .guide-card .card-img {
                height: 160px;
            }
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .pagination-wrap .page-btn:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            color: var(--text-primary);
        }
        .pagination-wrap .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }
        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }
        .pagination-wrap .page-btn.prev-next {
            width: auto;
            padding: 0 20px;
        }

        /* ===== 热门攻略推荐 ===== */
        .section-popular {
            padding: 50px 0 60px;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-popular .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .section-popular .section-sub {
            color: var(--text-muted);
            margin-bottom: 36px;
            font-size: 1rem;
        }

        .popular-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .popular-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 20px 22px 22px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .popular-item:hover {
            transform: translateY(-3px);
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            background: var(--bg-card-hover);
        }

        .popular-item .rank {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-light);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 8px;
        }
        .popular-item .rank.top1 {
            color: var(--accent);
            opacity: 0.9;
        }
        .popular-item .rank.top2 {
            color: var(--secondary);
            opacity: 0.7;
        }
        .popular-item .rank.top3 {
            color: #e17055;
            opacity: 0.6;
        }

        .popular-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .popular-item h4 a {
            color: var(--text-primary);
        }
        .popular-item h4 a:hover {
            color: var(--primary-light);
        }

        .popular-item .popular-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .popular-item .popular-meta i {
            margin-right: 4px;
        }

        @media (max-width: 1024px) {
            .popular-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .popular-grid {
                grid-template-columns: 1fr;
            }
            .section-popular .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 50px 0 60px;
        }
        .section-faq .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            text-align: center;
        }
        .section-faq .section-sub {
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 36px;
            font-size: 1rem;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 60px 0 70px;
            background: radial-gradient(ellipse at 50% 50%, rgba(108, 92, 231, 0.10) 0%, transparent 70%);
            border-top: 1px solid var(--border-color);
        }

        .cta-box {
            background: linear-gradient(145deg, var(--bg-card), var(--bg-card-hover));
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            border: 1px solid var(--border-color);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: var(--shadow);
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .cta-box .btn-primary-custom {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(108, 92, 231, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(108, 92, 231, 0.5);
            color: #fff;
        }
        .cta-box .btn-secondary-custom {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-secondary-custom:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border-light);
            color: var(--text-primary);
        }

        @media (max-width: 640px) {
            .cta-box {
                padding: 32px 24px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box p {
                font-size: 0.92rem;
            }
            .cta-box .btn-primary-custom,
            .cta-box .btn-secondary-custom {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
            }
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .logo-footer {
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .logo-footer i {
            color: var(--secondary);
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .social-links a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-main {
                padding: 36px 0 20px;
            }
        }

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

        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mt-3 {
            margin-top: 36px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .mb-2 {
            margin-bottom: 24px;
        }
        .mb-3 {
            margin-bottom: 36px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-light);
        }

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

/* roulang page: category2 */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #00cec9;
            --bg-dark: #0a0a1a;
            --bg-card: #12122a;
            --bg-section: #0f0f24;
            --bg-light: #1a1a3e;
            --text-light: #f0f0ff;
            --text-muted: #b0b0d0;
            --text-dark: #e0e0f0;
            --border-color: #2a2a5a;
            --radius-base: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(108, 92, 231, 0.15);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        *,
        *::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(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* ===== Header / Nav ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 42, 90, 0.5);
            padding: 0;
            transition: var(--transition);
        }

        .navbar-main .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            text-decoration: none;
            transition: var(--transition);
        }
        .navbar-brand i {
            color: var(--primary-light);
            font-size: 1.6rem;
        }
        .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--text-light);
            background: rgba(108, 92, 231, 0.15);
        }
        .nav-link.active {
            color: var(--text-light);
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(253, 121, 168, 0.15));
            box-shadow: inset 0 0 0 1px rgba(108, 92, 231, 0.3);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }

        .navbar-cta {
            margin-left: 12px;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            border: none;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .btn-login:hover,
        .btn-login:focus-visible {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.45);
            color: #fff;
        }
        .btn-login:active {
            transform: translateY(0);
        }

        .navbar-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            padding: 8px 12px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggle:hover {
            background: rgba(108, 92, 231, 0.15);
        }
        .navbar-toggle:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        @media (max-width: 820px) {
            .navbar-toggle {
                display: block;
            }
            .navbar-nav {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            }
            .navbar-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .navbar-nav .nav-link {
                width: 100%;
                padding: 12px 18px;
                font-size: 1.05rem;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 6px;
                width: 100%;
            }
            .navbar-cta .btn-login {
                width: 100%;
                justify-content: center;
                padding: 12px;
            }
        }

        @media (max-width: 480px) {
            .navbar-main .container-custom {
                height: 62px;
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-brand i {
                font-size: 1.3rem;
            }
        }

        /* ===== Hero ===== */
        .hero-category {
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #0a0a1a 0%, #1a0a2e 40%, #0f0f24 80%);
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-category .container-custom {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-category-content {
            flex: 1 1 55%;
        }
        .hero-category-content .badge-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.2);
            border: 1px solid rgba(108, 92, 231, 0.3);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .hero-category-content .badge-top i {
            font-size: 0.8rem;
        }
        .hero-category-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category-content p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .hero-category-content .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-category-content .hero-stats .stat-item {
            text-align: center;
        }
        .hero-category-content .hero-stats .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-light);
            display: block;
        }
        .hero-category-content .hero-stats .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-category-visual {
            flex: 1 1 45%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-category-visual .visual-box {
            width: 100%;
            max-width: 480px;
            background: rgba(18, 18, 42, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card);
        }
        .hero-category-visual .visual-box .method-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-category-visual .visual-box .method-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(42, 42, 90, 0.3);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: default;
        }
        .hero-category-visual .visual-box .method-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            background: rgba(108, 92, 231, 0.08);
            transform: translateX(4px);
        }
        .hero-category-visual .visual-box .method-item .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .hero-category-visual .visual-box .method-item .icon.web {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
        }
        .hero-category-visual .visual-box .method-item .icon.client {
            background: linear-gradient(135deg, #fd79a8, #e84393);
        }
        .hero-category-visual .visual-box .method-item .icon.qr {
            background: linear-gradient(135deg, #00cec9, #55efc4);
        }
        .hero-category-visual .visual-box .method-item .info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--text-light);
        }
        .hero-category-visual .visual-box .method-item .info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 992px) {
            .hero-category {
                padding: 120px 0 60px;
            }
            .hero-category .container-custom {
                flex-direction: column;
                gap: 36px;
            }
            .hero-category-content h1 {
                font-size: 2.4rem;
            }
            .hero-category-content p {
                font-size: 1.05rem;
            }
            .hero-category-visual .visual-box {
                max-width: 100%;
                padding: 24px 20px;
            }
        }

        @media (max-width: 576px) {
            .hero-category {
                padding: 100px 0 48px;
            }
            .hero-category-content h1 {
                font-size: 1.9rem;
            }
            .hero-category-content .hero-stats {
                gap: 20px;
            }
            .hero-category-content .hero-stats .stat-item .num {
                font-size: 1.4rem;
            }
            .hero-category-visual .visual-box .method-item {
                padding: 12px 16px;
            }
            .hero-category-visual .visual-box .method-item .icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }

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

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            color: var(--text-light);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.12);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            border: 1px solid rgba(108, 92, 231, 0.15);
        }

        @media (max-width: 576px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== 登录方式卡片 ===== */
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-base);
            padding: 32px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .method-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(108, 92, 231, 0.3);
        }
        .method-card:hover::before {
            opacity: 1;
        }
        .method-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 20px;
        }
        .method-card .card-icon.web {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
        }
        .method-card .card-icon.client {
            background: linear-gradient(135deg, #fd79a8, #e84393);
        }
        .method-card .card-icon.qr {
            background: linear-gradient(135deg, #00cec9, #55efc4);
        }
        .method-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-light);
        }
        .method-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .method-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .method-card .tag-list .tag {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            background: rgba(42, 42, 90, 0.4);
            color: var(--text-muted);
            border: 1px solid rgba(42, 42, 90, 0.3);
        }
        .method-card .tag-list .tag.hot {
            background: rgba(253, 121, 168, 0.15);
            color: var(--secondary);
            border-color: rgba(253, 121, 168, 0.2);
        }
        .method-card .tag-list .tag.recommend {
            background: rgba(0, 206, 201, 0.15);
            color: var(--accent);
            border-color: rgba(0, 206, 201, 0.2);
        }

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

        @media (max-width: 576px) {
            .methods-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .method-card {
                padding: 24px 20px;
            }
        }

        /* ===== 详细教程步骤 ===== */
        .steps-section {
            background: var(--bg-section);
            position: relative;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-base);
            padding: 28px 24px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }
        .step-card:hover {
            border-color: rgba(108, 92, 231, 0.25);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .step-card .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.25);
        }
        .step-card .step-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-light);
        }
        .step-card .step-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .step-card .step-info .tip {
            margin-top: 10px;
            padding: 8px 14px;
            background: rgba(0, 206, 201, 0.08);
            border-left: 3px solid var(--accent);
            border-radius: 0 8px 8px 0;
            font-size: 0.85rem;
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-card {
                padding: 20px 18px;
                flex-direction: column;
                gap: 14px;
            }
            .step-card .step-num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        /* ===== 安全提示 ===== */
        .security-section {
            background: linear-gradient(160deg, #0a0a1a, #1a0a2e);
        }
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .security-item {
            background: rgba(18, 18, 42, 0.6);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .security-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .security-item .sec-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .security-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-light);
        }
        .security-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

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

        @media (max-width: 576px) {
            .security-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .security-item {
                padding: 18px 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-light);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(108, 92, 231, 0.05);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--primary-light);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 576px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.9rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(160deg, #1a0a2e, #0a0a1a);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 6px 30px rgba(108, 92, 231, 0.35);
        }
        .cta-box .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.5);
            color: #fff;
        }
        .cta-box .btn-cta:active {
            transform: translateY(0);
        }
        .cta-box .cta-meta {
            margin-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .cta-box .cta-meta i {
            margin-right: 4px;
        }

        @media (max-width: 576px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .cta-box .btn-cta {
                padding: 14px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer-main {
            background: #060612;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .logo-footer i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(42, 42, 90, 0.4);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .social-links a:hover {
            background: rgba(108, 92, 231, 0.2);
            color: var(--primary-light);
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-2px);
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

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

        @media (max-width: 576px) {
            .footer-main {
                padding: 40px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .social-links {
                justify-content: center;
            }
        }

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

        .btn-outline-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(108, 92, 231, 0.4);
            color: var(--primary-light);
            background: transparent;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-outline-primary-custom:hover {
            background: rgba(108, 92, 231, 0.12);
            border-color: var(--primary);
            color: var(--text-light);
            transform: translateY(-2px);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-custom .sep {
            color: var(--border-color);
        }
        .breadcrumb-custom .current {
            color: var(--primary-light);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== Focus visible ===== */
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== 返回顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            border: none;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 999;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.45);
            color: #fff;
        }
        .back-to-top:active {
            transform: translateY(0);
        }

        @media (max-width: 576px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6C3FE5;
            --primary-dark: #5530c4;
            --primary-light: #8b6cf0;
            --primary-gradient: linear-gradient(135deg, #6C3FE5 0%, #9B6FF0 100%);
            --secondary: #FF6B6B;
            --secondary-light: #ff8e8e;
            --accent: #FFD93D;
            --accent-dark: #f0c800;
            --bg-dark: #0f0b1a;
            --bg-darker: #0a0714;
            --bg-card: #1a1430;
            --bg-card-hover: #221d3a;
            --bg-section: #120e20;
            --bg-light: #f8f7fc;
            --text-white: #ffffff;
            --text-light: #e8e4f4;
            --text-muted: #9b92b8;
            --text-dark: #1a1430;
            --border-color: rgba(108, 63, 229, 0.2);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(108, 63, 229, 0.2);
            --shadow-lg: 0 16px 48px rgba(108, 63, 229, 0.3);
            --shadow-glow: 0 0 40px rgba(108, 63, 229, 0.15);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

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

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

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

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

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

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

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

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

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

        /* ===== Navigation ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
            height: 72px;
            transition: var(--transition);
        }

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

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            text-decoration: none;
            transition: var(--transition);
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .navbar-brand:hover {
            color: var(--accent);
            transform: scale(1.02);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--text-white);
            background: rgba(108, 63, 229, 0.15);
        }
        .nav-link.active {
            color: var(--text-white);
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 63, 229, 0.3);
        }

        .navbar-cta {
            margin-left: 12px;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--primary-gradient);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(108, 63, 229, 0.3);
        }
        .btn-login i {
            font-size: 0.85rem;
        }
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 63, 229, 0.45);
            color: var(--text-white);
        }
        .btn-login:active {
            transform: translateY(0);
        }

        .navbar-toggle {
            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-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-toggle:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        @media (max-width: 992px) {
            .navbar-toggle {
                display: block;
            }
            .navbar-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
            }
            .navbar-nav.show {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                width: 100%;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
            }
            .btn-login {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
        }

        @media (max-width: 576px) {
            .navbar-main {
                height: 64px;
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-nav {
                top: 64px;
            }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 63, 229, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 107, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.4;
        }
        .article-breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--primary-gradient);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-white);
        }
        .article-date {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-date i {
            font-size: 0.8rem;
        }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            max-width: 900px;
        }

        .article-hero p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 750px;
            line-height: 1.7;
        }

        @media (max-width: 992px) {
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-hero p {
                font-size: 1rem;
            }
        }

        @media (max-width: 576px) {
            .article-hero {
                padding: 110px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero p {
                font-size: 0.95rem;
            }
            .article-hero-meta {
                gap: 10px;
            }
        }

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

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

        .article-main {
            min-width: 0;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 40px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-light);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-light);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 20px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-light);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(108, 63, 229, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body pre {
            background: var(--bg-darker);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            overflow-x: auto;
            font-size: 0.9rem;
            border: 1px solid var(--border-light);
            margin: 24px 0;
            color: var(--text-light);
        }
        .article-body code {
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-size: 0.9em;
            background: rgba(108, 63, 229, 0.12);
            padding: 2px 8px;
            border-radius: 4px;
            color: var(--accent);
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 40px 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.9rem;
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .article-body th {
            background: rgba(108, 63, 229, 0.12);
            color: var(--text-white);
            font-weight: 600;
        }
        .article-body td {
            color: var(--text-light);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(108, 63, 229, 0.12);
            border: 1px solid rgba(108, 63, 229, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }
        .article-tag:hover {
            background: rgba(108, 63, 229, 0.25);
            color: var(--text-white);
            border-color: var(--primary);
        }

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

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h4 i {
            color: var(--accent);
        }

        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            line-height: 1.5;
        }
        .sidebar-list a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .sidebar-list a i {
            color: var(--primary-light);
            font-size: 0.75rem;
            margin-top: 4px;
        }

        .sidebar-cta {
            background: var(--primary-gradient);
            border: none;
            text-align: center;
        }
        .sidebar-cta h4 {
            color: var(--text-white);
            justify-content: center;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
        }
        .sidebar-cta .btn-sidebar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--text-white);
            color: var(--primary-dark);
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .sidebar-cta .btn-sidebar:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            color: var(--primary-dark);
        }

        @media (max-width: 992px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                order: -1;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 576px) {
            .article-body {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                padding: 20px;
            }
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .related-section .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 40px;
        }

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

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-decoration: none;
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .related-card .rc-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .related-card .rc-meta .rc-cat {
            padding: 2px 12px;
            background: rgba(108, 63, 229, 0.15);
            border-radius: 50px;
            font-weight: 500;
            color: var(--primary-light);
        }
        .related-card h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .related-card:hover h5 {
            color: var(--primary-light);
        }
        .related-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

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

        @media (max-width: 576px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section-inner {
            padding: 60px 0;
            background: var(--bg-darker);
        }
        .cta-box {
            background: var(--primary-gradient);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }
        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 48px;
            background: var(--text-white);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
            z-index: 1;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        .cta-box .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3);
            color: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 1rem;
            }
            .cta-box .btn-cta {
                padding: 14px 32px;
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
            position: relative;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .logo-footer i {
            color: var(--accent);
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(108, 63, 229, 0.12);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            text-decoration: none;
            border: 1px solid var(--border-light);
        }
        .social-links a:hover {
            background: var(--primary-gradient);
            color: var(--text-white);
            transform: translateY(-3px);
            border-color: transparent;
            box-shadow: 0 8px 24px rgba(108, 63, 229, 0.3);
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.8rem;
            color: var(--primary-light);
            width: 16px;
        }

        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .social-links {
                justify-content: center;
            }
        }

        /* ===== Article Not Found ===== */
        .not-found-container {
            padding: 120px 0 80px;
            text-align: center;
        }
        .not-found-container .nf-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-container h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .not-found-container p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .not-found-container .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--primary-gradient);
            color: var(--text-white);
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
        }
        .not-found-container .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--text-white);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ===== Focus visible ===== */
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Bootstrap overrides ===== */
        .btn:focus,
        .btn:active:focus,
        .btn.active:focus,
        .btn.focus,
        .btn:active.focus,
        .btn.active.focus {
            box-shadow: none !important;
        }
        a:focus,
        button:focus {
            outline: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }