/* roulang page: index */
:root {
            --primary: #4f6ef7;
            --primary-dark: #3451c8;
            --primary-light: #eef1ff;
            --secondary: #7c4dff;
            --accent: #20c997;
            --bg: #f6f7fb;
            --bg-card: #ffffff;
            --dark-bg: #141828;
            --dark-bg-soft: #1f2436;
            --text: #1e2130;
            --text-weak: #68707e;
            --text-invert: #ffffff;
            --border: #e6e8f0;
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(30, 33, 48, 0.06);
            --shadow-md: 0 10px 32px rgba(30, 33, 48, 0.08);
            --shadow-lg: 0 24px 64px rgba(30, 33, 48, 0.14);
            --transition: all 0.28s ease;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .grid-container {
            max-width: 1200px;
        }

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            margin: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            padding: 14px 28px;
            border-radius: 999px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(79, 110, 247, 0.32);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }

        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(79, 110, 247, 0.5);
            outline-offset: 3px;
        }

        /* ===== Header / Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 16px;
        }

        .nav-dock {
            max-width: 1160px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-radius: 60px;
            padding: 10px 18px 10px 26px;
            box-shadow: 0 14px 44px rgba(20, 24, 40, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 6px 18px rgba(79, 110, 247, 0.35);
        }

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

        .nav-link {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-weak);
            padding: 9px 18px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .nav-cta {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            background: var(--primary);
            padding: 10px 22px;
            border-radius: 999px;
            transition: var(--transition);
            box-shadow: 0 6px 18px rgba(79, 110, 247, 0.28);
        }

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

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 12px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 660px;
            display: flex;
            align-items: center;
            padding: 150px 0 90px;
            color: #fff;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(16, 20, 35, 0.92) 0%, rgba(24, 30, 54, 0.78) 46%, rgba(79, 110, 247, 0.38) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-inner {
            max-width: 760px;
            padding: 0 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: #fff;
            backdrop-filter: blur(8px);
            margin-bottom: 26px;
        }

        .hero-badge i {
            color: #ffd166;
        }

        .hero h1 {
            font-size: 58px;
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.03em;
            margin: 0 0 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            opacity: 0.92;
            max-width: 560px;
            margin-bottom: 34px;
        }

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

        .hero-stats {
            margin-top: 56px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 26px 32px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-xl);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .stat {
            text-align: center;
            padding: 6px 0;
        }

        .stat strong {
            display: block;
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }

        .stat span {
            font-size: 13px;
            opacity: 0.76;
            letter-spacing: 0.02em;
        }

        /* ===== 特色板块 ===== */
        .feature-section {
            background: var(--bg);
        }

        .feature-grid .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(230, 232, 240, 0.6);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 110, 247, 0.25);
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            box-shadow: 0 10px 24px rgba(79, 110, 247, 0.3);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            margin: 0;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--bg-card);
        }

        .category-card {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 110, 247, 0.2);
        }

        .category-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f6;
        }

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

        .category-card:hover .category-cover img {
            transform: scale(1.04);
        }

        .category-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 20, 35, 0) 45%, rgba(16, 20, 35, 0.45) 100%);
        }

        .category-body {
            padding: 26px 26px 30px;
        }

        .category-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .category-body h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--text);
        }

        .category-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            margin: 0 0 18px;
        }

        .category-more {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .category-more i {
            margin-left: 4px;
            transition: transform 0.25s ease;
        }

        .category-card:hover .category-more i {
            transform: translateX(5px);
        }

        /* ===== 最新资讯列表 ===== */
        .latest-section {
            background: var(--bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(230, 232, 240, 0.7);
            transition: var(--transition);
            gap: 20px;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 110, 247, 0.25);
        }

        .news-counter {
            flex-shrink: 0;
            font-size: 26px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            padding-top: 2px;
            font-family: Georgia, serif;
        }

        .news-card-content {
            flex: 1;
        }

        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--secondary);
            background: rgba(124, 77, 255, 0.08);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 8px;
            color: var(--text);
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-date {
            font-size: 13px;
            color: #9aa1af;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-date i {
            font-size: 12px;
        }

        .empty-tip {
            width: 100%;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-weak);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            font-size: 15px;
        }

        /* ===== 数据板块 ===== */
        .stats-section {
            background: var(--dark-bg);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(79, 110, 247, 0.35), transparent 70%);
            border-radius: 50%;
        }

        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding: 64px 40px;
            border-radius: var(--radius-xl);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

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

        .stats-item .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .stats-item strong {
            display: block;
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stats-item span {
            font-size: 14px;
            opacity: 0.7;
        }

        /* ===== 精选内容 ===== */
        .featured-section {
            background: var(--bg-card);
        }

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

        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .featured-card img {
            width: 100%;
            height: 210px;
            object-fit: cover;
        }

        .featured-body {
            padding: 26px 26px 30px;
        }

        .featured-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .featured-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            margin: 0 0 18px;
        }

        .featured-body a {
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .featured-body a i {
            transition: transform 0.25s ease;
        }

        .featured-body a:hover i {
            transform: translateX(5px);
        }

        /* ===== 流程板块 ===== */
        .process-section {
            background: var(--bg);
        }

        .process-step {
            text-align: center;
            padding: 36px 24px;
            position: relative;
        }

        .process-step .step-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 12px 28px rgba(79, 110, 247, 0.3);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        .process-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%);
            color: #c3c8da;
            font-size: 20px;
            z-index: 2;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item:hover {
            border-color: rgba(79, 110, 247, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--text);
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item[open] summary {
            border-bottom: 1px solid var(--border);
        }

        .faq-item p {
            padding: 18px 28px 24px;
            margin: 0;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-weak);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            padding: 100px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 24, 40, 0.9), rgba(52, 81, 200, 0.78));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 660px;
            margin: 0 auto;
            color: #fff;
            padding: 48px 40px;
            border-radius: var(--radius-xl);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(14px);
        }

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 16px;
            opacity: 0.9;
            margin: 0 0 32px;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #a6adc0;
            padding: 72px 0 0;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 14px;
            border-radius: 10px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #8b91a7;
            max-width: 320px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 20px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #8b91a7;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            margin-top: 56px;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #70768a;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section-pad {
                padding: 76px 0;
            }

            .hero h1 {
                font-size: 46px;
            }

            .hero-stats {
                grid-template-columns: repeat(4, 1fr);
                gap: 14px;
                padding: 22px;
            }

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

            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
                padding: 48px 28px;
            }

            .process-arrow {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
            }

            .nav-dock {
                padding: 8px 14px;
                border-radius: 40px;
            }

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

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

            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                right: 16px;
                left: 16px;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                align-items: stretch;
                padding: 14px;
                gap: 6px;
                border: 1px solid var(--border);
            }

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

            .nav-link {
                padding: 12px 18px;
                border-radius: var(--radius-md);
            }

            .nav-cta {
                display: none;
            }

            .hero {
                min-height: 580px;
                padding: 120px 0 60px;
            }

            .hero h1 {
                font-size: 38px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                margin-top: 40px;
            }

            .section-head h2 {
                font-size: 28px;
            }

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

            .stats-panel {
                grid-template-columns: 1fr 1fr;
                padding: 36px 24px;
            }

            .cta-content {
                padding: 36px 24px;
            }

            .cta-content h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .section-pad {
                padding: 60px 0;
            }

            .hero h1 {
                font-size: 31px;
            }

            .hero-sub {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                padding: 18px 12px;
                gap: 12px;
            }

            .stat strong {
                font-size: 24px;
            }

            .stats-panel {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 20px;
            }

            .stats-item strong {
                font-size: 30px;
            }

            .category-body {
                padding: 20px 20px 24px;
            }

            .news-card {
                flex-direction: column;
                gap: 8px;
                padding: 20px;
            }

            .news-counter {
                font-size: 20px;
            }

            .cta-content {
                padding: 28px 18px;
            }

            .cta-content h2 {
                font-size: 22px;
            }

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

/* roulang page: article */
:root{
    --primary:#4f46e5;
    --primary-strong:#4338ca;
    --primary-soft:#eef2ff;
    --secondary:#06b6d4;
    --dark-bg:#0f172a;
    --surface:#ffffff;
    --surface-soft:#f8fafc;
    --text:#1e293b;
    --text-weak:#64748b;
    --border:#e2e8f0;
    --radius:18px;
    --radius-sm:12px;
    --shadow:0 12px 32px rgba(15,23,42,.08);
    --shadow-hover:0 18px 40px rgba(79,70,229,.14);
    --section-space:84px;
    --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--surface-soft);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{border:0;background:none;cursor:pointer;font-family:inherit}
:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;margin:0 auto}

/* ===== Header / Floating Dock Nav ===== */
.site-header{
    position:absolute;
    top:0;left:0;right:0;
    z-index:50;
    padding:24px 20px 0;
}
.nav-dock{
    max-width:1160px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:24px;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,.7);
    border-radius:999px;
    padding:12px 18px 12px 22px;
    box-shadow:0 10px 30px rgba(15,23,42,.08);
}
.brand-logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:800;
    color:var(--dark-bg);
    letter-spacing:.5px;
    white-space:nowrap;
}
.logo-icon{
    width:34px;height:34px;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#fff;border-radius:10px;
    font-size:15px;flex-shrink:0;
}
.nav-menu{
    flex:1;
    display:flex;
    gap:6px;
    align-items:center;
    justify-content:center;
}
.nav-link{
    padding:9px 14px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    color:var(--text);
    letter-spacing:.2px;
    white-space:nowrap;
    transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(79,70,229,.3)}
.nav-cta{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:var(--dark-bg);
    color:#fff;
    padding:10px 18px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    white-space:nowrap;
    transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,23,42,.18)}
.nav-toggle{display:none;font-size:20px;color:var(--text);padding:8px;margin-left:auto}

/* ===== Article Banner ===== */
.article-banner{
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:180px 0 70px;
    position:relative;
}
.article-banner::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(15,23,42,.88) 0%,rgba(79,70,229,.58) 100%);
}
.article-banner .grid-container{position:relative;z-index:2}
.breadcrumb{
    font-size:14px;
    color:rgba(255,255,255,.75);
    margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:12px;margin:0 6px;color:rgba(255,255,255,.5)}
.banner-title{
    font-size:clamp(28px,4vw,44px);
    font-weight:800;
    line-height:1.25;
    max-width:860px;
    margin-bottom:16px;
    text-shadow:0 2px 12px rgba(0,0,0,.2);
}
.banner-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px 18px;
    font-size:14px;
    color:rgba(255,255,255,.78);
}
.banner-meta i{margin-right:6px;color:rgba(255,255,255,.6)}

/* ===== Article Main ===== */
.article-main-section{padding:74px 0 90px}
.article-content-card{
    background:var(--surface);
    border-radius:24px;
    padding:42px;
    box-shadow:var(--shadow);
    border:1px solid var(--border);
}
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body h2{font-size:26px;font-weight:800;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--primary);color:var(--dark-bg)}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px;color:var(--dark-bg)}
.article-body p{margin-bottom:18px}
.article-body img{border-radius:16px;margin:24px 0;box-shadow:var(--shadow)}
.article-body ul,.article-body ol{margin-bottom:20px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
    background:var(--primary-soft);
    border-left:4px solid var(--primary);
    padding:16px 20px;
    border-radius:0 14px 14px 0;
    margin:24px 0;
    color:var(--dark-bg);
    font-weight:500;
}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(79,70,229,.3)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left}
.article-body th{background:var(--surface-soft);font-weight:700}
.article-body code{background:var(--primary-soft);padding:2px 8px;border-radius:6px;font-size:14px}

/* ===== Sidebar ===== */
.sidebar{
    position:sticky;
    top:110px;
    display:flex;
    flex-direction:column;
    gap:20px;
}
.side-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:26px;
    box-shadow:var(--shadow);
}
.side-card h3{
    font-size:17px;
    font-weight:800;
    color:var(--dark-bg);
    margin-bottom:16px;
    display:flex;
    align-items:center;
    gap:8px;
}
.side-card h3::before{
    content:"";
    width:8px;height:8px;
    border-radius:4px;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    display:inline-block;
}
.side-info-list li{
    display:flex;
    justify-content:space-between;
    padding:12px 0;
    border-bottom:1px dashed var(--border);
    font-size:14px;
    gap:10px;
}
.side-info-list li:last-child{border-bottom:0}
.side-info-list span{color:var(--text-weak);flex-shrink:0}
.side-info-list strong{color:var(--dark-bg);text-align:right;font-weight:600}
.side-nav-list a{
    display:flex;
    align-items:center;
    gap:12px;
    padding:13px 14px;
    border-radius:12px;
    color:var(--text);
    font-weight:600;
    margin-bottom:8px;
    background:var(--surface-soft);
    transition:all .2s ease;
}
.side-nav-list a:hover{background:var(--primary-soft);color:var(--primary);transform:translateX(4px)}
.side-nav-list i{color:var(--primary);width:20px;text-align:center}
.side-card-feature img{border-radius:14px;margin-bottom:14px}
.side-card-feature h3{font-size:18px}
.side-card-feature p{color:var(--text-weak);font-size:14px;margin-bottom:16px}

/* ===== Buttons ===== */
.btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:linear-gradient(135deg,var(--primary),var(--primary-strong));
    color:#fff;
    font-weight:700;
    font-size:15px;
    padding:13px 26px;
    border-radius:999px;
    box-shadow:0 8px 18px rgba(79,70,229,.22);
    transition:transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(79,70,229,.3)}
.btn-block{width:100%}

/* ===== Missing Content ===== */
.missing-block{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:24px;
    padding:70px 30px;
    text-align:center;
    box-shadow:var(--shadow);
}
.missing-block i{font-size:44px;color:var(--primary);margin-bottom:16px}
.missing-block h2{font-size:30px;margin-bottom:12px;color:var(--dark-bg)}
.missing-block p{color:var(--text-weak);margin-bottom:24px}

/* ===== Section Head ===== */
.section-head{text-align:center;margin-bottom:44px}
.section-tag{
    display:inline-block;
    background:var(--primary-soft);
    color:var(--primary);
    font-size:13px;
    font-weight:700;
    padding:7px 16px;
    border-radius:999px;
    letter-spacing:1px;
    margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--dark-bg)}
.section-head p{color:var(--text-weak);max-width:520px;margin:8px auto 0}

/* ===== Related ===== */
.related-section{padding:var(--section-space) 0;background:var(--surface)}
.related-card{
    display:block;
    position:relative;
    border-radius:18px;
    background-size:cover;
    background-position:center;
    min-height:240px;
    overflow:hidden;
    transition:transform .3s ease,box-shadow .3s ease;
}
.related-card:hover{transform:translateY(-6px);box-shadow:0 20px 36px rgba(15,23,42,.14)}
.related-card-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(to top,rgba(15,23,42,.85),rgba(15,23,42,.1) 70%);
    padding:28px 24px;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    color:#fff;
}
.related-tag{
    align-self:flex-start;
    background:rgba(255,255,255,.18);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border:1px solid rgba(255,255,255,.25);
    padding:5px 12px;
    border-radius:999px;
    font-size:12px;
    font-weight:700;
    margin-bottom:14px;
}
.related-card-overlay h3{font-size:22px;font-weight:800;margin-bottom:8px}
.related-card-overlay p{font-size:14px;color:rgba(255,255,255,.78)}

/* ===== FAQ ===== */
.faq-section{padding:var(--section-space) 0;background:var(--surface-soft)}
.faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:16px;
    padding:24px 26px;
    margin-bottom:16px;
    transition:box-shadow .2s ease,transform .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.faq-q{
    font-size:16px;
    font-weight:700;
    color:var(--dark-bg);
    margin-bottom:8px;
    display:flex;
    align-items:center;
    gap:10px;
}
.faq-q i{color:var(--primary)}
.faq-item p{color:var(--text-weak);font-size:14px;line-height:1.7;margin-left:28px}

/* ===== CTA ===== */
.cta-section{
    background-size:cover;
    background-position:center;
    padding:80px 20px;
    position:relative;
    text-align:center;
}
.cta-section::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(120deg,rgba(15,23,42,.92),rgba(79,70,229,.75));
}
.cta-inner{
    position:relative;
    z-index:2;
    max-width:640px;
    margin:0 auto;
    color:#fff;
}
.cta-inner h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-inner .btn-group{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.btn-light{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:#fff;
    color:var(--dark-bg);
    font-weight:700;
    padding:13px 26px;
    border-radius:999px;
    transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.btn-outline-light{
    display:inline-flex;
    align-items:center;
    gap:8px;
    border:2px solid rgba(255,255,255,.7);
    color:#fff;
    font-weight:700;
    padding:11px 24px;
    border-radius:999px;
    transition:all .2s ease;
}
.btn-outline-light:hover{background:#fff;color:var(--dark-bg)}

/* ===== Footer ===== */
.site-footer{
    background:var(--dark-bg);
    color:rgba(255,255,255,.7);
    padding:70px 0 24px;
    font-size:14px;
}
.footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-size:20px;
    font-weight:800;
    margin-bottom:16px;
}
.footer-brand .logo-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.footer-desc{max-width:360px;line-height:1.8;margin-bottom:20px;color:rgba(255,255,255,.6)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.65);transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    margin-top:48px;
    padding-top:24px;
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px;
    color:rgba(255,255,255,.5);
    font-size:13px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
    .nav-dock{gap:14px;border-radius:28px}
    .nav-menu{gap:2px}
    .nav-link{padding:8px 10px;font-size:13px}
    .nav-cta{padding:9px 14px;font-size:13px}
    .banner-title{font-size:34px}
    .article-content-card{padding:32px}
}
@media (max-width:768px){
    .site-header{padding:16px 14px 0}
    .nav-dock{
        flex-wrap:wrap;
        border-radius:20px;
        padding:12px 16px;
    }
    .nav-menu{
        display:none;
        flex:1 1 100%;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border-radius:16px;
        padding:10px;
        margin-top:10px;
        box-shadow:0 10px 30px rgba(15,23,42,.1);
    }
    .nav-menu.open{display:flex}
    .nav-link{padding:12px 14px;border-radius:10px}
    .nav-cta{display:none}
    .nav-toggle{display:inline-flex;margin-left:auto}
    .article-banner{padding:150px 0 56px}
    .article-main-section{padding:50px 0 64px}
    .article-content-card{padding:24px}
    .sidebar{position:static;margin-top:20px}
    .related-card{min-height:200px}
    .footer-bottom{flex-direction:column;align-items:center;text-align:center}
    .cta-inner .btn-group{flex-direction:column}
    .btn-light,.btn-outline-light{width:100%;justify-content:center}
}
@media (max-width:520px){
    .brand-logo{font-size:17px}
    .logo-icon{width:30px;height:30px;font-size:13px}
    .banner-title{font-size:26px}
    .article-content-card{padding:20px}
    .article-body{font-size:15px}
    .btn-primary{width:100%}
    .faq-item{padding:20px}
    .related-card{min-height:180px}
}

/* roulang page: category1 */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #eef2ff;
            --accent: #0ea5e9;
            --accent-soft: #e0f2fe;
            --dark: #0b1120;
            --dark-soft: #111a2e;
            --bg: #f6f7f9;
            --surface: #ffffff;
            --surface-alt: #f1f5f9;
            --text: #0f172a;
            --text-soft: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, .14);
            --container: 1200px;
            --space-section: 96px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .25s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input, textarea {
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* ========== Header / Dock Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 20px 0;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .72);
            box-shadow: 0 12px 36px rgba(15, 23, 42, .08);
            border-radius: var(--radius-pill);
            padding: 10px 14px 10px 20px;
            pointer-events: auto;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .nav-dock:hover {
            box-shadow: 0 16px 40px rgba(15, 23, 42, .12);
            border-color: rgba(79, 70, 229, .28);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text);
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #4f46e5, #0ea5e9);
            color: #fff;
            border-radius: 14px;
            font-size: 18px;
            box-shadow: 0 6px 18px rgba(79, 70, 229, .32);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-soft);
            transition: all .25s ease;
            line-height: 1.4;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            background: linear-gradient(135deg, #4f46e5, #4338ca);
            color: #fff;
            box-shadow: 0 6px 16px rgba(79, 70, 229, .3);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--dark);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(15, 23, 42, .18);
            transition: all .3s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(15, 23, 42, .22);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background .25s ease, color .25s ease;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 120px 0 90px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 17, 32, .92) 20%, rgba(15, 23, 42, .68) 55%, rgba(14, 165, 233, .3) 100%);
        }

        .category-hero .grid-container {
            position: relative;
            z-index: 2;
        }

        .hero-inner {
            max-width: 720px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .62);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .72);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: var(--radius-pill);
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 22px;
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            color: #38bdf8;
        }

        .hero-inner h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-text {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .85);
            max-width: 620px;
            margin-bottom: 32px;
        }

        .hero-search {
            display: flex;
            gap: 10px;
            max-width: 520px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-pill);
            padding: 6px 6px 6px 22px;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
            transition: background .3s ease, border-color .3s ease;
        }

        .hero-search:focus-within {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .4);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 15px;
        }

        .hero-search input::placeholder {
            color: rgba(255, 255, 255, .6);
        }

        .hero-search button {
            background: #fff;
            color: var(--dark);
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform .25s ease, background .25s ease;
        }

        .hero-search button:hover {
            transform: scale(1.05);
            background: #eef2ff;
        }

        .hero-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 13px;
        }

        .hero-tags span {
            color: rgba(255, 255, 255, .6);
            margin-right: 2px;
        }

        .hero-tags a {
            color: rgba(255, 255, 255, .82);
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            transition: all .25s ease;
        }

        .hero-tags a:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

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

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: .5px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 8px;
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--text-soft);
            border-radius: 999px;
            padding: 8px 18px;
            background: var(--surface-alt);
            border: 1px solid var(--border);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .link-more:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            gap: 12px;
        }

        /* ========== Match Cards ========== */
        .match-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .match-card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .match-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .match-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, .32) 100%);
        }

        .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            background: #fff;
            color: var(--text);
            box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
        }

        .tag.status-live {
            background: #ef4444;
            color: #fff;
        }

        .tag.status-soon {
            background: #f59e0b;
            color: #fff;
        }

        .tag.status-done {
            background: #10b981;
            color: #fff;
        }

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

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

        .match-card-body p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            flex: 1;
        }

        .match-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 13px;
        }

        .btn-mini {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            transition: all .25s ease;
        }

        .btn-mini:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== Information Layout ========== */
        .news-list {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 10px 26px;
            box-shadow: var(--shadow-sm);
        }

        .news-list-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0 8px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 6px;
        }

        .news-list-head h3 {
            font-size: 18px;
            font-weight: 700;
        }

        .news-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: padding-left .25s ease;
        }

        .news-row:last-child {
            border-bottom: none;
        }

        .news-row:hover {
            padding-left: 12px;
        }

        .news-date {
            background: var(--surface-alt);
            color: var(--text-soft);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: 8px;
            white-space: nowrap;
        }

        .news-tag {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 10px;
            border-radius: 8px;
            white-space: nowrap;
        }

        .news-tag.tag-red {
            background: #fef2f2;
            color: #dc2626;
        }

        .news-tag.tag-orange {
            background: #fff7ed;
            color: #ea580c;
        }

        .news-row a {
            flex: 1;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            font-size: 15px;
        }

        .news-row a:hover {
            color: var(--primary);
        }

        /* Sidebar */
        .sidebar-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }

        .sidebar-panel:last-child {
            margin-bottom: 0;
        }

        .sidebar-panel h3 {
            font-size: 17px;
            font-weight: 700;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-panel h3 i {
            color: var(--primary);
        }

        .featured-card .featured-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
        }

        .featured-card .featured-img img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .featured-card:hover .featured-img img {
            transform: scale(1.03);
        }

        .featured-card .featured-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.6;
            color: var(--text);
            margin-bottom: 10px;
        }

        .featured-card .featured-title a {
            color: var(--text);
        }

        .featured-card .featured-title a:hover {
            color: var(--primary);
        }

        .featured-card .featured-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .hot-read-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }

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

        .hot-read-rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            margin-top: 2px;
        }

        .hot-read-rank.rank-1 {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #fff;
        }

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

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

        .hot-read-item a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.6;
        }

        .hot-read-item a:hover {
            color: var(--primary);
        }

        /* ========== Schedule ========== */
        .schedule-section {
            background: linear-gradient(rgba(11, 17, 32, .94), rgba(11, 17, 32, .86)), url('/assets/images/backpic/back-3.png') center / cover fixed no-repeat;
            color: #fff;
            padding: var(--space-section) 0;
        }

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

        .schedule-section .section-head p {
            color: rgba(255, 255, 255, .6);
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 22px 26px;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
            transition: background .3s ease, border-color .3s ease;
        }

        .schedule-item:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .24);
        }

        .schedule-date {
            min-width: 68px;
            text-align: center;
            background: rgba(255, 255, 255, .12);
            border-radius: 14px;
            padding: 10px 8px;
            flex: 0 0 auto;
        }

        .schedule-date .date-day {
            display: block;
            font-size: 26px;
            font-weight: 800;
            line-height: 1.1;
        }

        .schedule-date .date-month {
            font-size: 12px;
            opacity: .8;
        }

        .schedule-info {
            flex: 1;
        }

        .schedule-info .time {
            font-size: 13px;
            color: #a5b4fc;
            font-weight: 600;
            letter-spacing: .5px;
        }

        .schedule-info h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 4px 0;
            color: #fff;
        }

        .schedule-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .schedule-status {
            font-size: 13px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(16, 185, 129, .16);
            color: #34d399;
            border: 1px solid rgba(16, 185, 129, .3);
            white-space: nowrap;
        }

        .schedule-status.soon {
            background: rgba(245, 158, 11, .16);
            color: #fbbf24;
            border-color: rgba(245, 158, 11, .3);
        }

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

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .stat-number {
            font-size: 48px;
            font-weight: 800;
            background: linear-gradient(135deg, #4f46e5, #0ea5e9);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            color: var(--text-soft);
            font-weight: 600;
            font-size: 15px;
        }

        .stat-desc {
            color: var(--text-muted);
            font-size: 13px;
            margin-top: 6px;
        }

        /* ========== Guide Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
            overflow: hidden;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .step-num {
            position: absolute;
            top: 14px;
            right: 20px;
            font-size: 64px;
            font-weight: 800;
            color: var(--border);
            line-height: 1;
            z-index: 0;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item.active {
            border-color: rgba(79, 70, 229, .35);
            box-shadow: 0 8px 24px rgba(79, 70, 229, .1);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: color .25s ease;
        }

        .faq-q i {
            color: var(--text-muted);
            transition: transform .3s ease;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-a {
            max-height: 320px;
            padding-bottom: 22px;
        }

        .faq-a p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 48px 0 var(--space-section);
        }

        .cta-box {
            background: linear-gradient(135deg, #4f46e5, #0ea5e9);
            border-radius: 28px;
            padding: 56px 48px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .12);
            top: -80px;
            right: -60px;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            bottom: -60px;
            left: -40px;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .cta-box p {
            font-size: 16px;
            opacity: .92;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            border: none;
            border-radius: 999px;
            padding: 14px 22px;
            font-size: 15px;
            outline: none;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .14);
        }

        .cta-form input:focus {
            box-shadow: 0 0 0 4px rgba(255, 255, 255, .3);
        }

        .cta-form button {
            border-radius: 999px;
            background: #0f172a;
            color: #fff;
            font-weight: 700;
            padding: 14px 28px;
            font-size: 15px;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .cta-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, .24);
        }

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

        .site-footer .grid-container {
            max-width: 1200px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .footer-brand .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 17px;
        }

        .footer-desc {
            margin-top: 18px;
            font-size: 14px;
            line-height: 1.9;
            max-width: 400px;
            color: rgba(255, 255, 255, .62);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .64);
            font-size: 14px;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-bottom {
            margin-top: 56px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, .1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 72px;
            }

            .stats-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .section-head p {
                font-size: 14px;
            }
        }

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

            .site-header {
                padding: 10px 14px 0;
            }

            .nav-dock {
                padding: 8px 10px 8px 16px;
            }

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

            .logo-icon {
                width: 38px;
                height: 38px;
                border-radius: 12px;
                font-size: 16px;
            }

            .nav-menu {
                position: absolute;
                top: calc(100% + 8px);
                left: 14px;
                right: 14px;
                flex-direction: column;
                background: rgba(255, 255, 255, .98);
                border: 1px solid var(--border);
                border-radius: 20px;
                padding: 16px;
                display: none;
                box-shadow: var(--shadow-md);
                gap: 8px;
            }

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

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .category-hero {
                min-height: 380px;
                padding: 90px 0 56px;
                text-align: center;
            }

            .hero-inner {
                margin: 0 auto;
            }

            .hero-inner h1 {
                font-size: 34px;
            }

            .hero-text {
                font-size: 15px;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-search {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-tags {
                justify-content: center;
            }

            .breadcrumb {
                justify-content: center;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .schedule-item {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }

            .schedule-date {
                min-width: auto;
                display: flex;
                gap: 8px;
                align-items: center;
                justify-content: center;
            }

            .schedule-date .date-day {
                font-size: 22px;
            }

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

            .cta-form {
                flex-direction: column;
            }

            .cta-form input,
            .cta-form button {
                width: 100%;
            }

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

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

            .news-row {
                flex-wrap: wrap;
                gap: 8px 12px;
            }

            .news-tag {
                order: 1;
            }

            .news-row a {
                width: 100%;
                order: 2;
            }

            .hero-inner h1 {
                font-size: 28px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

            .brand-logo {
                font-size: 15px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .nav-dock {
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a6b;
            --bg-dark: #0d1b2a;
            --bg-light: #f6f8fb;
            --white: #ffffff;
            --text-dark: #16213e;
            --text-body: #4e5a6e;
            --text-muted: #8a94a6;
            --border: #e6ebf1;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(13, 27, 42, 0.06);
            --shadow-md: 0 10px 32px rgba(13, 27, 42, 0.10);
            --shadow-lg: 0 20px 50px rgba(13, 27, 42, 0.16);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul, ol {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

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

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

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1160px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(230, 235, 241, 0.9);
            border-radius: 60px;
            padding: 10px 12px 10px 20px;
            box-shadow: 0 8px 32px rgba(13, 27, 42, 0.10);
            pointer-events: auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #f77f00);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.95rem;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.12);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-size: 0.92rem;
            font-weight: 700;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
            transition: var(--transition);
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-dark);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 120px 0 90px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            margin-top: -76px;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(13, 27, 42, 0.95) 0%, rgba(13, 27, 42, 0.78) 45%, rgba(230, 57, 70, 0.35) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 600;
        }

        .breadcrumb a:hover {
            color: #ffd166;
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1.5px;
            margin-bottom: 14px;
            color: #fff;
        }

        .page-banner h1 span {
            color: #ffd166;
        }

        .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.7;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 26px;
        }

        .banner-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.82rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .banner-tags .tag:hover {
            background: rgba(255, 209, 102, 0.25);
            border-color: rgba(255, 209, 102, 0.5);
        }

        /* ===== Common Sections ===== */
        .section {
            padding: 90px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 50px;
        }

        .section-head .eyebrow {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #f77f00);
            opacity: 0.8;
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.12), rgba(247, 127, 0, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .feature-card .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary);
        }

        .feature-card .feature-link i {
            font-size: 0.8rem;
            transition: transform 0.3s;
        }

        .feature-card .feature-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Article Cards ===== */
        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .article-cover {
            position: relative;
            height: 210px;
            overflow: hidden;
            background: var(--bg-dark);
        }

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

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

        .article-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(13, 27, 42, 0.5));
        }

        .article-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: 30px;
            background: rgba(230, 57, 70, 0.92);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            backdrop-filter: blur(6px);
        }

        .article-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            color: var(--primary);
            font-size: 0.8rem;
        }

        .article-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .article-body h3 a:hover {
            color: var(--primary);
        }

        .article-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .article-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary);
        }

        .article-more i {
            font-size: 0.78rem;
            transition: transform 0.3s;
        }

        .article-more:hover i {
            transform: translateX(4px);
        }

        /* ===== Path Section ===== */
        .path-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            color: #fff;
        }

        .path-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.94), rgba(29, 53, 87, 0.88));
        }

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

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

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

        .path-section .section-head .eyebrow {
            background: rgba(255, 209, 102, 0.15);
            color: #ffd166;
        }

        .path-step {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            backdrop-filter: blur(10px);
            height: 100%;
            transition: var(--transition);
            cursor: default;
        }

        .path-step:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 209, 102, 0.4);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 0.85rem;
            font-weight: 800;
            color: #ffd166;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .step-num::after {
            content: "";
            display: block;
            width: 36px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, #ffd166, transparent);
            margin-top: 8px;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 209, 102, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #ffd166;
            margin-bottom: 18px;
        }

        .path-step h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .path-step p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .path-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            font-size: 1.1rem;
            color: rgba(255, 209, 102, 0.6);
            z-index: 3;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .stat-card {
            text-align: center;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), #f77f00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #14253d 60%, var(--primary-dark) 130%);
            color: #fff;
            padding: 90px 0;
        }

        .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.8px;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary, .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.98rem;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(230, 57, 70, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: #ffd166;
            color: #ffd166;
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0d1b2a;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #f77f00);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: #ffd166;
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0 30px;
            margin-top: 50px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .nav-dock {
                padding: 10px 12px 10px 16px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 0.88rem;
            }

            .nav-cta {
                padding: 9px 16px;
                font-size: 0.85rem;
            }

            .page-banner {
                padding: 100px 0 70px;
            }

            .page-banner h1 {
                font-size: 2.4rem;
            }

            .section {
                padding: 70px 0;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header {
                top: 8px;
            }

            .nav-dock {
                flex-wrap: wrap;
                border-radius: 28px;
                padding: 12px 16px;
            }

            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 14px 0 6px;
                order: 4;
            }

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

            .nav-link {
                padding: 12px 16px;
                border-radius: 14px;
                font-size: 1rem;
            }

            .nav-cta {
                margin-left: auto;
                padding: 9px 18px;
            }

            .nav-toggle {
                display: inline-flex;
                flex-shrink: 0;
            }

            .page-banner {
                margin-top: -72px;
                padding: 100px 0 64px;
            }

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

            .banner-desc {
                font-size: 1rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 1.7rem;
            }

            .path-arrow {
                display: none;
            }

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

            .stat-card {
                padding: 28px 24px;
            }

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

            .cta-box h2 {
                font-size: 1.7rem;
            }

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

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

            .nav-dock {
                gap: 8px;
            }

            .brand-logo {
                font-size: 1.15rem;
            }

            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .nav-cta {
                display: none;
            }

            .page-banner {
                margin-top: -76px;
                padding: 90px 0 56px;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .banner-tags .tag {
                font-size: 0.75rem;
                padding: 5px 12px;
            }

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

            .article-cover {
                height: 180px;
            }

            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
    --primary: #3b6cf6;
    --primary-dark: #2a54d4;
    --primary-light: #eef2ff;
    --accent: #f6a63b;
    --accent-dark: #e08e1f;
    --bg: #f8fafc;
    --bg-alt: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 40px rgba(59, 108, 246, 0.12);
    --transition: all 0.3s ease;
}

/* ===== Reset / Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-dark);
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* ===== Header / 浮动导航 ===== */
.site-header {
    padding: 22px 0 10px;
    background: transparent;
    position: relative;
    z-index: 100;
}
.nav-dock {
    max-width: 1200px;
    margin: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 50px;
    padding: 8px 16px 8px 10px;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
    position: relative;
    gap: 12px;
}
@media screen and (min-width: 1024px) {
    .nav-dock {
        margin: 0 auto;
    }
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}
.brand-logo:hover {
    color: var(--primary);
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 50%;
    font-size: 0.95rem;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(59, 108, 246, 0.35);
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}
.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 50px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 700;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: 0.86rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50px;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 2px 12px rgba(59, 108, 246, 0.3);
    flex-shrink: 0;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 108, 246, 0.4);
    color: #fff;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
}
.nav-toggle:hover {
    background: var(--primary-light);
}

@media screen and (max-width: 768px) {
    .nav-dock {
        flex-wrap: wrap;
        border-radius: 22px;
        margin: 0 12px;
        padding: 10px 14px;
    }
    .nav-menu {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 12px 0 8px;
        border-top: 1px solid var(--border);
        margin-top: 8px;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-link {
        width: 100%;
        border-radius: 10px;
        text-align: center;
        padding: 10px 12px;
    }
    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }
    .nav-cta {
        margin-left: 0;
        padding: 7px 15px;
        font-size: 0.78rem;
    }
}

/* ===== 页面 Banner ===== */
.page-banner {
    position: relative;
    padding: 96px 0 84px;
    background: linear-gradient(135deg, #0b1526 0%, #10224a 45%, #1d3e8a 100%);
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.22;
}
.page-banner::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 180px;
    background: radial-gradient(ellipse, rgba(59, 108, 246, 0.35), transparent 70%);
    z-index: 1;
    pointer-events: none;
}
.banner-inner {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
}
.banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}
.banner-inner h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}
.banner-inner p {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}
.banner-breadcrumb {
    margin-top: 28px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}
.banner-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    padding: 4px 10px;
    border-radius: 6px;
    transition: var(--transition);
}
.banner-breadcrumb a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

@media screen and (max-width: 768px) {
    .page-banner {
        padding: 64px 0 56px;
    }
    .banner-inner h1 {
        font-size: 1.85rem;
    }
    .banner-inner p {
        font-size: 0.95rem;
    }
    .banner-tag {
        font-size: 0.75rem;
        padding: 5px 14px;
        margin-bottom: 18px;
    }
}

/* ===== 通用区块 ===== */
.section {
    padding: 80px 0;
}
.section-alt {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--primary);
    background: var(--primary-light);
    padding: 5px 16px;
    border-radius: 50px;
    margin-bottom: 14px;
    text-transform: uppercase;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 14px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.section-header p {
    max-width: 560px;
    margin: 0 auto;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
}

@media screen and (max-width: 768px) {
    .section {
        padding: 56px 0;
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-header h2 {
        font-size: 1.55rem;
    }
}

/* ===== 数据统计条 ===== */
.stats-strip {
    background: var(--primary-light);
    border-bottom: 1px solid var(--border);
    padding: 36px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-item {
    padding: 10px 0;
}
.stat-number {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 0.86rem;
    color: var(--text-light);
    margin-top: 4px;
}
@media screen and (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-number {
        font-size: 1.7rem;
    }
}

/* ===== 图文介绍区 ===== */
.intro-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    align-items: center;
}
.intro-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.intro-image::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.25), transparent);
    pointer-events: none;
}
.intro-image img {
    width: 100%;
    transition: transform 0.6s ease;
}
.intro-image:hover img {
    transform: scale(1.04);
}
.intro-content h3 {
    font-size: 1.45rem;
    font-weight: 800;
    margin: 0 0 14px;
    color: var(--text);
    line-height: 1.35;
}
.intro-content p {
    color: var(--text-light);
    font-size: 0.98rem;
    margin: 0 0 10px;
    line-height: 1.75;
}
.intro-list {
    margin-top: 18px;
}
.intro-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 9px 0;
    color: var(--text);
    font-size: 0.94rem;
    line-height: 1.6;
}
.intro-list li i {
    color: var(--primary);
    margin-top: 5px;
    flex-shrink: 0;
    font-size: 1rem;
}

@media screen and (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .intro-content h3 {
        font-size: 1.3rem;
    }
}

/* ===== 四步成长 ===== */
.steps-section {
    background: linear-gradient(135deg, #0b1526 0%, #12264d 50%, #1a3470 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.steps-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}
.steps-section::after {
    content: '';
    position: absolute;
    top: -80px;
    right: -60px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(59, 108, 246, 0.4), transparent 70%);
    pointer-events: none;
}
.steps-section .container-custom {
    position: relative;
    z-index: 2;
}
.steps-section .section-header h2 {
    color: #fff;
    margin-bottom: 12px;
}
.steps-section .section-header p {
    color: rgba(255, 255, 255, 0.72);
}
.steps-section .section-label {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.step-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px 22px 28px;
    transition: var(--transition);
    text-align: center;
    backdrop-filter: blur(6px);
}
.step-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
}
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: 50%;
    margin-bottom: 18px;
    color: #0f172a;
    box-shadow: 0 6px 20px rgba(246, 166, 59, 0.3);
}
.step-card h4 {
    font-size: 1.08rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: #fff;
}
.step-card p {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1.65;
    margin: 0;
}

@media screen and (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media screen and (max-width: 520px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 内容卡片 ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.content-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.content-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: transparent;
}
.card-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}
.content-card:hover .card-image img {
    transform: scale(1.07);
}
.card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
    z-index: 1;
    letter-spacing: 0.02em;
}
.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-body h3 {
    font-size: 1.08rem;
    font-weight: 800;
    margin: 0 0 10px;
    color: var(--text);
    line-height: 1.4;
}
.card-body p {
    color: var(--text-light);
    font-size: 0.88rem;
    flex: 1;
    margin: 0 0 18px;
    line-height: 1.7;
}
.card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.8rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: auto;
}
.card-meta i {
    margin-right: 4px;
    font-size: 0.75rem;
}

@media screen and (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media screen and (max-width: 520px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .card-image {
        height: 180px;
    }
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
    background: var(--white);
}
.faq-item:hover {
    border-color: rgba(59, 108, 246, 0.3);
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}
.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text);
    list-style: none;
    transition: var(--transition);
    user-select: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.78rem;
    color: var(--text-light);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item[open] summary {
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}
.faq-item[open] summary::after {
    transform: rotate(180deg);
    color: var(--primary);
}
.faq-answer {
    padding: 18px 24px 22px;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.8;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 70px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
    pointer-events: none;
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
    pointer-events: none;
}
.cta-section .container-custom {
    position: relative;
    z-index: 2;
}
.cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 14px;
    color: #fff;
    line-height: 1.3;
}
.cta-section p {
    color: rgba(255, 255, 255, 0.88);
    max-width: 480px;
    margin: 0 auto 30px;
    font-size: 1rem;
    line-height: 1.7;
}
.cta-button-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    line-height: 1.4;
}
.btn i {
    font-size: 0.9rem;
}
.btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.btn-white:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    border-color: #fff;
    color: #fff;
}

@media screen and (max-width: 520px) {
    .cta-section {
        padding: 52px 0;
    }
    .cta-section h2 {
        font-size: 1.5rem;
    }
    .btn {
        padding: 12px 22px;
        font-size: 0.88rem;
    }
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-alt);
    color: rgba(255, 255, 255, 0.75);
    padding: 68px 0 28px;
}
.site-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 18px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}
.footer-desc {
    font-size: 0.88rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.55);
    max-width: 360px;
    margin: 0;
}
.footer-links li {
    margin-bottom: 9px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.88rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 44px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 10px;
}

@media screen and (max-width: 768px) {
    .site-footer {
        padding: 50px 0 24px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-desc {
        max-width: 100%;
    }
}