/* roulang page: index */
:root {
            --primary: #2B5CE6;
            --primary-dark: #2449B8;
            --primary-light: #EEF2FF;
            --accent: #D97706;
            --accent-dark: #B45309;
            --accent-light: #FFF7ED;
            --bg: #F5F8FC;
            --card: #FFFFFF;
            --text: #1B2430;
            --text-sub: #5B6472;
            --text-muted: #8A94A6;
            --border: #E3E8F0;
            --success: #059669;
            --warning: #DC2626;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 1px 3px rgba(27,36,48,.05), 0 4px 16px rgba(27,36,48,.04);
            --shadow-hover: 0 12px 28px rgba(43,92,230,.10);
        }

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

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (min-width: 768px) {
            .container { padding: 0 48px; }
        }

        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button { cursor: pointer; font-family: inherit; }

        /* ===== 顶部导航 ===== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid #E9EDF4;
            height: 72px;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow .3s;
        }
        .site-header.scrolled { box-shadow: 0 2px 12px rgba(27,36,48,.06); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 19px;
            color: var(--text);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 8px 2px;
            position: relative;
            transition: color .2s;
        }
        .main-nav a:hover { color: var(--primary); }
        .main-nav a.active { color: var(--primary); }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            height: 40px;
            padding: 0 12px;
            width: 200px;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(43,92,230,.1);
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder { color: #9CA3AF; }
        .search-box svg { width: 18px; height: 18px; color: #9CA3AF; flex-shrink: 0; }
        .btn-header {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-header:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 10px;
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
        }
        @media (max-width: 768px) {
            .main-nav, .search-box, .header-right .btn-header { display: none; }
            .hamburger { display: flex; }
            .header-inner { padding: 0 16px; }
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            padding: 28px 24px;
            transition: right .3s ease;
            box-shadow: -8px 0 24px rgba(27,36,48,.1);
        }
        .mobile-menu.open { right: 0; }
        .mobile-menu .close-btn {
            position: absolute;
            top: 16px;
            right: 20px;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--text-muted);
            line-height: 1;
        }
        .mobile-menu .mm-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            color: var(--text);
            border-bottom: 1px solid #f0f2f5;
            font-weight: 500;
        }
        .mobile-menu a.active { color: var(--primary); }
        .mm-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            height: 42px;
            padding: 0 14px;
            margin: 20px 0 16px;
        }
        .mm-search input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
        }
        .mm-search svg { width: 18px; height: 18px; color: #9CA3AF; }
        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(27,36,48,.4);
            z-index: 190;
            opacity: 0;
            visibility: hidden;
            transition: all .3s;
        }
        .menu-overlay.open { opacity: 1; visibility: visible; }

        /* ===== 倒计时条 ===== */
        .countdown-bar {
            background: var(--accent-light);
            border-bottom: 1px solid #FCD34D;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-sub);
        }
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .countdown-nums { display: flex; gap: 8px; align-items: center; }
        .cd-box {
            background: #fff;
            border-radius: 8px;
            padding: 4px 10px;
            text-align: center;
            min-width: 48px;
            border: 1px solid rgba(252,211,77,.4);
        }
        .cd-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }
        .cd-label { font-size: 11px; color: var(--text-muted); line-height: 1.2; }
        .cd-sep { font-size: 18px; font-weight: 600; color: #D97706; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            background: linear-gradient(90deg, rgba(245,248,252,.97) 0%, rgba(245,248,252,.85) 55%, rgba(245,248,252,.45) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .hero::after {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(43,92,230,.05);
            pointer-events: none;
        }
        .hero-content {
            max-width: 660px;
            padding: 64px 0;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: var(--radius-badge);
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(217,119,6,.15);
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
        }
        .hero h1 .highlight { color: var(--primary); }
        .hero p.subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 30px;
            max-width: 530px;
        }
        .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(43,92,230,.25);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--text);
            border: 1px solid #D0D5DD;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
            transition: all .3s;
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217,119,6,.25);
        }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-label {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-badge);
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== 卖点区 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .feature-card {
            background: var(--card);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s;
            border: 1px solid rgba(227,232,240,.4);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(43,92,230,.15);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--primary);
        }
        .feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--text); }
        .feature-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

        /* ===== 图墙 ===== */
        .gallery-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
            margin-top: 48px;
        }
        .gallery-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .gallery-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .gallery-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--card);
            box-shadow: var(--shadow-card);
            transition: all .3s;
            border: 1px solid rgba(227,232,240,.3);
        }
        .gallery-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .gallery-img-wrap { overflow: hidden; }
        .gallery-left .gallery-img-wrap { height: 260px; }
        .gallery-right .gallery-img-wrap { height: 180px; }
        .gallery-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .gallery-card:hover img { transform: scale(1.03); }
        .gallery-body { padding: 18px 20px 20px; }
        .gallery-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
        .gallery-body p { font-size: 14px; color: var(--text-sub); line-height: 1.6; }

        /* ===== CTA 报名区 ===== */
        .cta-section {
            background: linear-gradient(135deg, #101B2B 0%, #16233A 100%);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            right: -120px;
            bottom: -120px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(217,119,6,.1);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            left: -80px;
            top: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(43,92,230,.08);
        }
        .cta-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-left h2 { font-size: 30px; color: #fff; margin-bottom: 16px; line-height: 1.35; }
        .cta-left p { color: rgba(255,255,255,.78); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
        .cta-form-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 12px 32px rgba(0,0,0,.25);
        }
        .cta-form-card h3 { font-size: 18px; color: var(--text); margin-bottom: 6px; font-weight: 600; }
        .cta-form-card .form-tip { font-size: 14px; color: var(--text-sub); margin-bottom: 20px; }
        .form-group { margin-bottom: 16px; }
        .form-group label { font-size: 14px; color: var(--text); font-weight: 500; display: block; margin-bottom: 6px; }
        .form-group label .required { color: var(--warning); margin-left: 2px; }
        .form-control {
            width: 100%;
            height: 44px;
            border: 1px solid #D0D5DD;
            border-radius: var(--radius-btn);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: all .2s;
            background: #fff;
            font-family: inherit;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(43,92,230,.1);
        }
        .form-control::placeholder { color: #9CA3AF; }
        .btn-full { width: 100%; justify-content: center; margin-top: 8px; }

        /* ===== FAQ ===== */
        .faq-list { margin-top: 48px; max-width: 820px; }
        .faq-item {
            background: var(--card);
            border-radius: 12px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(227,232,240,.4);
            overflow: hidden;
            transition: box-shadow .3s, border-color .3s;
        }
        .faq-item.active { box-shadow: var(--shadow-hover); border-color: rgba(43,92,230,.15); }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            transition: color .2s;
            min-height: 52px;
        }
        .faq-q:hover { color: var(--primary); }
        .faq-q .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
            margin-left: 12px;
            transition: transform .3s;
        }
        .faq-item.active .faq-icon { transform: rotate(45deg); }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-a p { font-size: 14px; color: var(--text-sub); line-height: 1.8; }

        /* ===== CMS 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .news-card {
            background: var(--card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(227,232,240,.4);
            transition: all .3s;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43,92,230,.15);
        }
        .news-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            padding: 2px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .excerpt {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid #F0F2F5;
            padding-top: 14px;
        }
        .news-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }
        .news-meta .read-more:hover { gap: 8px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 56px 24px;
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border);
        }
        .news-empty .empty-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--text-muted);
        }
        .news-empty p { font-size: 16px; color: var(--text); font-weight: 500; }
        .news-empty span { font-size: 14px; color: var(--text-muted); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0D1626;
            color: rgba(255,255,255,.8);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .logo-text .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,.55);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            color: rgba(255,255,255,.55);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col ul a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255,255,255,.35);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .gallery-right { grid-template-columns: 1fr; }
            .gallery-right .gallery-img-wrap { height: 220px; }
            .cta-row { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 28px; }
            .hero { min-height: 460px; }
            .section { padding: 56px 0; }
            .news-grid { grid-template-columns: 1fr; }
            .countdown-inner { flex-direction: column; align-items: flex-start; }
            .gallery-grid { grid-template-columns: 1fr; }
            .gallery-right { grid-template-columns: 1fr 1fr; }
            .gallery-right .gallery-img-wrap { height: 140px; }
            .cta-row { gap: 32px; }
        }
        @media (max-width: 520px) {
            .features-grid { grid-template-columns: 1fr; }
            .hero-btns { flex-direction: column; }
            .btn-primary, .btn-secondary, .btn-accent { width: 100%; justify-content: center; }
            .footer-grid { grid-template-columns: 1fr; }
            .gallery-right { grid-template-columns: 1fr; }
            .gallery-right .gallery-img-wrap { height: 180px; }
            .hero-content { padding: 40px 0; }
            .cta-form-card { padding: 24px; }
            .cd-box { min-width: 40px; padding: 3px 8px; }
            .cd-num { font-size: 16px; }
        }

/* roulang page: article */
:root {
    --primary: #2B5CE6;
    --primary-hover: #2449B8;
    --primary-light: #EEF2FF;
    --accent: #D97706;
    --accent-hover: #B45309;
    --accent-light: #FFF7ED;
    --bg: #F5F8FC;
    --card-bg: #FFFFFF;
    --text-main: #1B2430;
    --text-sub: #5B6472;
    --text-muted: #8A94A6;
    --border: #E3E8F0;
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-badge: 999px;
    --shadow-card: 0 1px 3px rgba(27,36,48,.05), 0 4px 16px rgba(27,36,48,.04);
    --shadow-hover: 0 12px 28px rgba(43,92,230,.10);
    --container-w: 1240px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, border-color .25s ease, background .25s ease; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 16px; font-weight: 600; border-radius: var(--radius-btn);
    padding: 12px 28px; line-height: 1; border: 1px solid transparent;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(43,92,230,.25); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-secondary { background: #fff; border-color: #D0D5DD; color: var(--text-main); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(27,36,48,.08); }
.btn-secondary:active { transform: translateY(0); }
.btn-sm { padding: 10px 20px; font-size: 15px; }
.badge {
    display: inline-flex; align-items: center; gap: 6px; height: 26px;
    padding: 0 12px; border-radius: var(--radius-badge); font-size: 14px; font-weight: 500; white-space: nowrap;
}
.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-gold { background: var(--accent-light); color: var(--accent); }
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 16px; height: 72px; }
.logo-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
    width: 36px; height: 36px; border-radius: 10px; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px;
    box-shadow: 0 4px 12px rgba(43,92,230,.28);
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--text-main); letter-spacing: .3px; }
.main-nav { display: flex; align-items: center; gap: 8px; margin: 0 auto; }
.main-nav a {
    display: inline-flex; align-items: center; justify-content: center; height: 44px;
    padding: 0 18px; font-size: 16px; font-weight: 500; color: var(--text-sub);
    border-radius: 8px; position: relative; white-space: nowrap;
}
.main-nav a:hover { color: var(--primary); background: var(--primary-light); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after {
    content: ''; position: absolute; left: 18px; right: 18px; bottom: 4px; height: 3px;
    background: var(--primary); border-radius: 3px;
}
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-box {
    display: flex; align-items: center; width: 220px; height: 44px;
    background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
    padding: 0 8px 0 14px; transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(43,92,230,.12); }
.search-box input { flex: 1; border: none; outline: none; background: transparent; font-size: 15px; color: var(--text-main); }
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    color: var(--text-sub); border-radius: 8px; transition: color .2s, background .2s;
}
.search-box button:hover { color: var(--primary); background: var(--primary-light); }
.hamburger { display: none; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; color: var(--text-main); }
.hamburger:hover { background: var(--bg); }
.mobile-menu { display: none; }
.breadcrumb-wrap { background: #fff; border-bottom: 1px solid var(--border); padding: 16px 0; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #C6CED9; user-select: none; }
.breadcrumb .current { color: var(--text-sub); max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-wrap { max-width: 920px; margin: 0 auto; padding: 48px 24px 80px; }
@media (min-width: 768px) { .article-wrap { padding: 64px 24px 96px; } }
.article-card {
    background: var(--card-bg); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
    padding: 32px 28px; border: 1px solid rgba(227,232,240,.5);
}
@media (min-width: 768px) { .article-card { padding: 48px 56px; } }
.article-header { margin-bottom: 28px; text-align: left; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 18px; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); }
.meta-item svg { width: 16px; height: 16px; opacity: .7; }
.article-header h1 {
    font-size: 28px; line-height: 1.35; font-weight: 700; color: var(--text-main);
    letter-spacing: .2px; margin-bottom: 8px;
}
@media (min-width: 768px) { .article-header h1 { font-size: 32px; } }
.article-desc { font-size: 16px; color: var(--text-sub); line-height: 1.8; }
.article-body {
    border-top: 1px solid var(--border); padding-top: 32px;
    font-size: 16px; line-height: 1.8; color: var(--text-main);
    word-wrap: break-word;
}
.article-body p { margin: 0 0 1.5em; }
.article-body h2 { font-size: 24px; font-weight: 700; line-height: 1.4; margin: 1.8em 0 .8em; color: var(--text-main); }
.article-body h3 { font-size: 19px; font-weight: 600; line-height: 1.4; margin: 1.6em 0 .7em; color: var(--text-main); }
.article-body h4 { font-size: 17px; font-weight: 600; margin: 1.4em 0 .6em; }
.article-body blockquote {
    border-left: 4px solid var(--primary); background: var(--bg);
    padding: 18px 22px; border-radius: 0 12px 12px 0; margin: 1.8em 0; color: var(--text-sub);
}
.article-body blockquote p { margin: 0; }
.article-body img { border-radius: 12px; margin: 1.8em auto; box-shadow: 0 8px 24px rgba(27,36,48,.08); }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: var(--primary-hover); }
.article-body ul { list-style: disc; padding-left: 1.5em; margin: 1.2em 0; }
.article-body ol { list-style: decimal; padding-left: 1.5em; margin: 1.2em 0; }
.article-body li { margin: .5em 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.article-body th { background: var(--bg); font-weight: 600; }
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.article-footer { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.tag-label { font-size: 14px; color: var(--text-muted); margin-right: 4px; }
.tag {
    display: inline-flex; align-items: center; height: 30px; padding: 0 14px;
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-badge);
    font-size: 13px; color: var(--text-sub); transition: all .2s ease;
}
.tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.article-empty {
    background: var(--card-bg); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
    padding: 80px 32px; text-align: center; border: 1px solid rgba(227,232,240,.5);
}
.empty-icon {
    width: 64px; height: 64px; margin: 0 auto 24px; border-radius: 50%;
    background: var(--primary-light); color: var(--primary); font-size: 28px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.article-empty h2 { font-size: 24px; font-weight: 700; color: var(--text-main); margin-bottom: 12px; }
.article-empty p { font-size: 15px; color: var(--text-sub); margin-bottom: 28px; max-width: 420px; margin-left: auto; margin-right: auto; }
.related-section { background: #fff; border-top: 1px solid var(--border); padding: 72px 0 80px; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-main); letter-spacing: .5px; }
.section-head p { font-size: 15px; color: var(--text-muted); margin-top: 8px; }
.related-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 640px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
.related-card {
    display: block; background: #fff; border-radius: var(--radius-card); overflow: hidden;
    border: 1px solid var(--border); box-shadow: var(--shadow-card);
    transition: transform .3s ease, box-shadow .3s ease;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg); }
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-img img { transform: scale(1.04); }
.related-body { padding: 20px; }
.related-body .badge { margin-bottom: 10px; }
.related-body h3 { font-size: 18px; font-weight: 600; line-height: 1.45; color: var(--text-main); margin: 10px 0 8px; }
.related-body p { font-size: 14px; color: var(--text-sub); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.back-link { text-align: center; margin-top: 48px; }
.site-footer { background: #0D1626; color: #AEB6C6; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; padding-bottom: 48px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand .logo-text { color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #8A94A6; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: #AEB6C6; font-size: 15px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; flex-direction: column; gap: 6px; flex-wrap: wrap; font-size: 14px; color: #6B7486; }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }
@media (max-width: 768px) {
    .header-inner { height: 60px; }
    .main-nav { display: none; }
    .search-box { display: none; }
    .header-actions .btn { display: none; }
    .hamburger { display: inline-flex; }
    .mobile-menu {
        position: fixed; top: 0; right: 0; width: 320px; max-width: 88vw; height: 100vh; z-index: 200;
        background: #fff; box-shadow: -12px 0 40px rgba(27,36,48,.15);
        display: flex; flex-direction: column; padding: 24px 20px 32px;
        transform: translateX(100%); transition: transform .35s cubic-bezier(.4,0,.2,1); visibility: hidden;
    }
    .mobile-menu.open { transform: translateX(0); visibility: visible; }
    .mobile-menu-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
    .menu-close { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--text-sub); border-radius: 10px; }
    .menu-close:hover { background: var(--bg); }
    .mobile-nav { display: flex; flex-direction: column; gap: 4px; margin-bottom: 28px; }
    .mobile-nav a { padding: 14px 16px; border-radius: 10px; font-size: 16px; font-weight: 500; color: var(--text-main); }
    .mobile-nav a:hover { background: var(--bg); color: var(--primary); }
    .mobile-nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
    .mobile-search { display: flex; gap: 8px; margin-bottom: 16px; }
    .mobile-search input {
        flex: 1; height: 44px; border: 1px solid var(--border); border-radius: 10px;
        padding: 0 14px; font-size: 15px; outline: none; background: var(--bg);
    }
    .mobile-search input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(43,92,230,.12); }
    .mobile-search button { height: 44px; padding: 0 18px; background: var(--primary); color: #fff; border-radius: 10px; font-size: 15px; font-weight: 600; }
    .mobile-menu .btn { width: 100%; }
    .article-wrap { padding: 32px 16px 56px; }
    .article-card { padding: 28px 20px; }
    .article-header h1 { font-size: 24px; }
    .article-body { font-size: 15px; }
    .related-section { padding: 56px 0 64px; }
    .section-head h2 { font-size: 24px; }
}
@media (max-width: 480px) {
    .article-meta { gap: 8px 14px; }
    .article-header h1 { font-size: 22px; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { gap: 32px; }
}

/* roulang page: category1 */
:root {
            --primary: #2B5CE6;
            --primary-hover: #2449B8;
            --primary-light: #EEF2FF;
            --accent: #D97706;
            --accent-hover: #B45309;
            --accent-light: #FFF7ED;
            --bg: #F5F8FC;
            --card: #FFFFFF;
            --text: #1B2430;
            --text-secondary: #5B6472;
            --text-muted: #8A94A6;
            --border: #E3E8F0;
            --success: #059669;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(27,36,48,.05), 0 4px 16px rgba(27,36,48,.04);
            --shadow-hover: 0 12px 28px rgba(43,92,230,.10);
            --shadow-btn: 0 4px 12px rgba(43,92,230,.18);
            --container: 1240px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
        }
        input {
            font-family: inherit;
        }
        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 48px;
        }

        .text-primary {
            color: var(--primary);
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all .25s ease;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43,92,230,.25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #fff;
            border-color: #D0D5DD;
            color: var(--text);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(27,36,48,.06);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(217,119,6,.25);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217,119,6,.30);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }

        /* ---------- 标签徽章 ---------- */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            height: 24px;
            padding: 0 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1;
        }
        .badge-light {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-light);
            color: var(--accent);
        }

        /* ---------- Header ---------- */
        .site-header {
            background: #FBFCFE;
            border-bottom: 1px solid #E9EDF4;
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(27,36,48,.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
        }
        .logo-icon svg {
            width: 20px;
            height: 20px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1;
            padding: 8px 2px;
            transition: color .2s ease;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -22px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            height: 40px;
            width: 210px;
            padding: 0 12px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(43,92,230,.10);
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #9CA3AF;
        }
        .search-box button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: transparent;
            color: var(--text-muted);
            border-radius: 8px;
            transition: color .2s ease;
        }
        .search-box button:hover {
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: transparent;
            color: var(--text);
        }
        .menu-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ---------- 移动菜单 ---------- */
        .mobile-menu-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(13,22,38,.45);
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }
        .mobile-menu-backdrop.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            padding: 32px 24px;
            box-shadow: -8px 0 30px rgba(0,0,0,.08);
            transition: right .3s ease;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--text);
            font-size: 24px;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu-close:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 40px;
        }
        .mobile-nav a {
            display: block;
            padding: 14px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: background .2s ease, color .2s ease;
        }
        .mobile-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-menu-footer {
            margin-top: auto;
            padding-top: 24px;
        }

        /* ---------- 区块通用 ---------- */
        .section {
            padding: 80px 0;
        }
        .section-head {
            max-width: 760px;
            margin: 0 auto 56px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ---------- Hero ---------- */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(245,248,252,.98) 0%, rgba(245,248,252,.88) 45%, rgba(245,248,252,.50) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 72px 48px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 999px;
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .hero-content h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .hero-meta span {
            font-size: 14px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta .data-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        /* ---------- 图文并排 ---------- */
        .intro-split {
            background: #fff;
        }
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 64px;
        }
        .split-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .split-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }
        .split-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
        }
        .split-content > p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 28px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
        }
        .check-list li svg {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            margin-top: 3px;
            color: var(--success);
        }

        /* ---------- 指南条目列表 ---------- */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .guide-item {
            background: var(--card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
        }
        .guide-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .guide-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 20px;
        }
        .guide-icon svg {
            width: 26px;
            height: 26px;
        }
        .guide-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .guide-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ---------- 相关入口卡片 ---------- */
        .entry-section {
            background: #fff;
        }
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .entry-cover {
            overflow: hidden;
        }
        .entry-cover img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .entry-card:hover .entry-cover img {
            transform: scale(1.04);
        }
        .entry-body {
            display: flex;
            flex-direction: column;
            flex: 1;
            padding: 24px;
        }
        .entry-body .badge {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .entry-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .entry-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            flex: 1;
        }
        .entry-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            min-height: 52px;
            padding: 16px 24px;
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 500;
            transition: transform .3s ease, background .3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13,22,38,.88);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 80px 0;
        }
        .cta-copy h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .cta-copy p {
            font-size: 16px;
            color: rgba(255,255,255,.75);
            line-height: 1.8;
            max-width: 480px;
        }
        .cta-form {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: 0 16px 40px rgba(0,0,0,.18);
        }
        .form-row {
            margin-bottom: 18px;
        }
        .form-row label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .required {
            color: #DC2626;
        }
        .form-row input {
            width: 100%;
            height: 44px;
            border: 1px solid #D0D5DD;
            border-radius: var(--radius-btn);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            background: #fff;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(43,92,230,.10);
        }
        .form-row input::placeholder {
            color: #9CA3AF;
        }
        .form-success-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            box-shadow: 0 16px 40px rgba(0,0,0,.18);
        }
        .success-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #ECFDF5;
            color: var(--success);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .form-success-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #0D1626;
            color: rgba(255,255,255,.85);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,.08);
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,.65);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255,255,255,.65);
            transition: color .2s ease;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .container {
                padding: 0 32px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-grid {
                gap: 40px;
            }
            .hero-content {
                padding: 60px 32px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .main-nav {
                gap: 20px;
            }
            .search-box {
                width: 170px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 24px;
            }
            .site-header {
                height: 60px;
            }
            .main-nav {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .logo-text {
                font-size: 17px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .page-hero {
                min-height: 460px;
            }
            .hero-content {
                padding: 48px 24px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-meta {
                gap: 16px;
            }
            .split-grid {
                grid-template-columns: 1fr;
            }
            .split-media {
                order: 1;
            }
            .split-content {
                order: 2;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 14px;
            }
            .cta-inner {
                padding: 56px 0;
            }
            .cta-copy h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }
            .hero-meta {
                flex-direction: column;
                gap: 12px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .cta-form {
                padding: 24px 20px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
        --primary: #2B5CE6;
        --primary-dark: #2449B8;
        --primary-light: #EEF2FF;
        --accent: #D97706;
        --accent-dark: #B45309;
        --accent-light: #FFF7ED;
        --bg: #F5F8FC;
        --card: #FFFFFF;
        --ink: #1B2430;
        --ink-2: #5B6472;
        --ink-3: #8A94A6;
        --line: #E3E8F0;
        --radius-card: 16px;
        --radius-btn: 10px;
        --shadow-card: 0 1px 3px rgba(27,36,48,.05), 0 4px 16px rgba(27,36,48,.04);
        --shadow-hover: 0 12px 28px rgba(43,92,230,.10);
        --container: 1240px;
        --header-h: 72px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
        background: var(--bg);
        color: var(--ink);
        font-size: 16px;
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: all .25s ease;
    }

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

    button,
    input {
        font-family: inherit;
        outline: none;
        border: none;
    }

    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 48px;
    }

    @media (max-width: 768px) {
        .container {
            padding: 0 24px;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 20px;
        }
    }

    /* ===== Header ===== */
    .site-header {
        background: #FFFFFF;
        border-bottom: 1px solid #E9EDF4;
        position: sticky;
        top: 0;
        z-index: 100;
        height: var(--header-h);
        transition: box-shadow .3s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 2px 12px rgba(27, 36, 48, .06);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-h);
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 48px;
        gap: 32px;
    }

    .logo-text {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: var(--ink);
        white-space: nowrap;
    }

    .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--primary);
        color: #fff;
        border-radius: 10px;
        font-weight: 700;
        font-size: 18px;
        flex-shrink: 0;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 32px;
        flex: 1;
        justify-content: center;
    }

    .main-nav a {
        font-size: 15px;
        font-weight: 500;
        color: var(--ink-2);
        padding: 6px 2px;
        position: relative;
        white-space: nowrap;
    }

    .main-nav a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 3px;
        background: var(--primary);
        border-radius: 3px;
        transition: width .25s ease;
    }

    .main-nav a:hover {
        color: var(--primary);
    }

    .main-nav a:hover::after {
        width: 100%;
    }

    .main-nav a.active {
        color: var(--primary);
    }

    .main-nav a.active::after {
        width: 100%;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }

    .header-search {
        display: flex;
        align-items: center;
        background: var(--bg);
        border: 1px solid var(--line);
        border-radius: 10px;
        height: 40px;
        padding: 0 12px;
        gap: 8px;
        width: 200px;
        transition: border-color .2s, box-shadow .2s;
    }

    .header-search:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(43, 92, 230, .10);
    }

    .header-search input {
        border: none;
        background: transparent;
        flex: 1;
        font-size: 14px;
        color: var(--ink);
    }

    .header-search input::placeholder {
        color: #9CA3AF;
    }

    .header-search svg {
        width: 16px;
        height: 16px;
        color: var(--ink-3);
        flex-shrink: 0;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 44px;
        padding: 0 24px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all .25s ease;
        white-space: nowrap;
        border: none;
    }

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

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(43, 92, 230, .25);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

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

    .btn-accent:hover {
        background: var(--accent-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(217, 119, 6, .25);
    }

    .btn-accent:active {
        transform: translateY(0);
    }

    .btn-outline {
        background: #fff;
        border: 1px solid #D0D5DD;
        color: var(--ink);
    }

    .btn-outline:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .btn-sm {
        height: 38px;
        padding: 0 18px;
        font-size: 14px;
    }

    /* Burger */
    .burger-btn {
        display: none;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border-radius: 10px;
        cursor: pointer;
    }

    .burger-btn span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--ink);
        border-radius: 2px;
        position: relative;
        transition: all .3s ease;
    }

    .burger-btn span::before,
    .burger-btn span::after {
        content: '';
        position: absolute;
        left: 0;
        width: 20px;
        height: 2px;
        background: var(--ink);
        border-radius: 2px;
        transition: all .3s ease;
    }

    .burger-btn span::before {
        top: -6px;
    }

    .burger-btn span::after {
        top: 6px;
    }

    .mobile-nav {
        display: none;
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: #fff;
        z-index: 200;
        box-shadow: -8px 0 30px rgba(27, 36, 48, .12);
        padding: 80px 24px 32px;
        transition: right .35s ease;
    }

    .mobile-nav.open {
        right: 0;
    }

    .mobile-nav a {
        display: block;
        font-size: 16px;
        color: var(--ink-2);
        padding: 14px 0;
        border-bottom: 1px solid var(--line);
        font-weight: 500;
    }

    .mobile-nav a.active {
        color: var(--primary);
    }

    .mobile-close {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        background: var(--bg);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        cursor: pointer;
        color: var(--ink);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(27, 36, 48, .5);
        z-index: 150;
        opacity: 0;
        transition: opacity .3s;
    }

    .nav-overlay.show {
        opacity: 1;
    }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        min-height: 420px;
        display: flex;
        align-items: center;
    }

    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(245, 248, 252, .97) 0%, rgba(245, 248, 252, .85) 55%, rgba(245, 248, 252, .55) 100%);
    }

    .hero .container {
        position: relative;
        z-index: 1;
        padding-top: 56px;
        padding-bottom: 56px;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 999px;
        margin-bottom: 16px;
    }

    .hero h1 {
        font-size: 38px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--ink);
        margin-bottom: 16px;
        max-width: 640px;
    }

    .hero h1 span {
        color: var(--primary);
    }

    .hero-desc {
        font-size: 17px;
        color: var(--ink-2);
        line-height: 1.8;
        margin-bottom: 32px;
        max-width: 560px;
    }

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

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

    .section-head {
        text-align: center;
        margin-bottom: 48px;
    }

    .section-tag {
        display: inline-block;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 999px;
        margin-bottom: 12px;
        letter-spacing: .5px;
    }

    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--ink);
        margin-bottom: 12px;
    }

    .section-sub {
        font-size: 16px;
        color: var(--ink-2);
        max-width: 640px;
        margin: 0 auto;
    }

    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 24px;
        }
    }

    /* ===== Timeline ===== */
    .timeline-section {
        background: #fff;
    }

    .timeline-grid {
        display: flex;
        gap: 48px;
        position: relative;
        max-width: 1080px;
        margin: 0 auto;
    }

    .timeline-grid::before {
        content: '';
        position: absolute;
        top: 28px;
        left: 50%;
        width: 2px;
        height: calc(100% - 56px);
        background: var(--line);
        transform: translateX(-50%);
    }

    .timeline-item {
        flex: 1;
        text-align: center;
        padding-top: 24px;
        position: relative;
    }

    .timeline-dot {
        width: 56px;
        height: 56px;
        background: var(--primary-light);
        border: 2px solid var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        font-size: 20px;
        font-weight: 700;
        color: var(--primary);
        position: relative;
        z-index: 1;
    }

    .timeline-item h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 10px;
        color: var(--ink);
    }

    .timeline-item p {
        font-size: 14px;
        color: var(--ink-2);
        line-height: 1.7;
        max-width: 180px;
        margin: 0 auto;
    }

    @media (max-width: 768px) {
        .timeline-grid {
            flex-direction: column;
            gap: 32px;
        }
        .timeline-grid::before {
            left: 28px;
            top: 0;
            width: 2px;
            height: 100%;
            transform: none;
        }
        .timeline-item {
            text-align: left;
            padding-left: 56px;
            padding-top: 0;
        }
        .timeline-dot {
            margin: 0 auto 12px;
            width: 44px;
            height: 44px;
            font-size: 16px;
            position: absolute;
            left: 4px;
            top: 4px;
        }
        .timeline-item p {
            max-width: none;
        }
    }

    /* ===== Cards ===== */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .feature-card {
        background: var(--card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 24px;
        transition: all .3s ease;
        border: 1px solid transparent;
    }

    .feature-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: var(--primary-light);
    }

    .feature-card .icon {
        width: 48px;
        height: 48px;
        background: var(--primary-light);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        margin-bottom: 16px;
    }

    .feature-card h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--ink);
    }

    .feature-card p {
        font-size: 14px;
        color: var(--ink-2);
        line-height: 1.7;
    }

    .card-img-wrap {
        border-radius: var(--radius-card);
        overflow: hidden;
        margin-bottom: 16px;
        background: var(--bg);
        position: relative;
    }

    .card-img-wrap img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        transition: transform .4s ease;
    }

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

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

    @media (max-width: 640px) {
        .feature-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== Workflow / Steps ===== */
    .steps-section {
        background: #fff;
    }

    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        max-width: 1080px;
        margin: 0 auto;
    }

    .step-card {
        padding: 32px 24px;
        text-align: center;
        background: var(--bg);
        border-radius: var(--radius-card);
        transition: all .3s ease;
        border: 1px solid transparent;
    }

    .step-card:hover {
        background: var(--primary-light);
        border-color: rgba(43, 92, 230, .15);
        transform: translateY(-4px);
    }

    .step-num {
        font-size: 32px;
        font-weight: 700;
        color: var(--primary);
        font-family: 'Inter', ui-sans-serif;
        line-height: 1;
        margin-bottom: 12px;
        display: block;
    }

    .step-card h3 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--ink);
    }

    .step-card p {
        font-size: 13px;
        color: var(--ink-2);
        line-height: 1.6;
    }

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

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

    /* ===== FAQ ===== */
    .faq-section {
        padding: 80px 0;
        max-width: 860px;
    }

    .faq-item {
        background: #fff;
        border-radius: 12px;
        box-shadow: var(--shadow-card);
        margin-bottom: 12px;
        overflow: hidden;
        transition: box-shadow .3s ease;
    }

    .faq-item.open {
        box-shadow: var(--shadow-hover);
    }

    .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 18px 24px;
        background: #fff;
        border: none;
        cursor: pointer;
        text-align: left;
        font-size: 16px;
        font-weight: 500;
        color: var(--ink);
        min-height: 52px;
        transition: color .2s;
    }

    .faq-q:hover {
        color: var(--primary);
    }

    .faq-q .icon {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 16px;
        transition: transform .3s ease, background .3s, color .3s;
    }

    .faq-item.open .faq-q .icon {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }

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

    .faq-a-inner {
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--ink-2);
        line-height: 1.8;
        border-top: 1px solid var(--line);
        padding-top: 16px;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
        padding: 80px 0;
        position: relative;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(13, 22, 38, .88);
    }

    .cta-inner {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        flex-wrap: wrap;
    }

    .cta-left {
        flex: 1;
        min-width: 280px;
    }

    .cta-left h2 {
        color: #fff;
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .cta-left p {
        color: rgba(255, 255, 255, .8);
        font-size: 15px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        flex-shrink: 0;
    }

    @media (max-width: 768px) {
        .cta-inner {
            flex-direction: column;
            align-items: flex-start;
        }
        .cta-actions {
            width: 100%;
        }
        .cta-actions .btn {
            flex: 1;
        }
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #0D1626;
        color: #C7D0DE;
        padding: 64px 0 0;
    }

    .site-footer .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 48px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 48px;
    }

    .footer-brand .logo-text {
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-brand .logo-icon {
        background: var(--primary);
        color: #fff;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: #94A3B8;
        max-width: 320px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-col ul {
        list-style: none;
    }

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

    .footer-col a {
        font-size: 14px;
        color: #94A3B8;
        transition: color .2s;
    }

    .footer-col a:hover {
        color: #fff;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 24px 0;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: #64748B;
    }

    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
    }

    /* ===== Responsive ===== */
    @media (max-width: 992px) {
        .main-nav {
            display: none;
        }
        .header-search {
            display: none;
        }
        .header-actions .btn-desktop {
            display: none;
        }
        .burger-btn {
            display: flex;
        }
        .mobile-nav {
            display: block;
        }
        .header-inner {
            padding: 0 24px;
        }
        .hero h1 {
            font-size: 30px;
        }
        .hero-desc {
            font-size: 16px;
        }
    }

    @media (max-width: 520px) {
        .hero {
            min-height: 380px;
        }
        .hero h1 {
            font-size: 26px;
        }
        .hero-desc {
            font-size: 15px;
        }
        .section-title {
            font-size: 22px;
        }
    }

    /* Back to top */
    .back-top {
        position: fixed;
        bottom: 32px;
        right: 32px;
        width: 44px;
        height: 44px;
        background: var(--primary);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 8px 20px rgba(43, 92, 230, .3);
        opacity: 0;
        visibility: hidden;
        transition: all .3s ease;
        z-index: 99;
    }

    .back-top.visible {
        opacity: 1;
        visibility: visible;
    }

    .back-top:hover {
        background: var(--primary-dark);
        transform: translateY(-3px);
    }

/* roulang page: category2 */
:root {
            --primary: #2B5CE6;
            --primary-hover: #2449B8;
            --primary-light: #EEF2FF;
            --accent: #D97706;
            --accent-hover: #B45309;
            --accent-light: #FFF7ED;
            --bg: #F5F8FC;
            --card: #FFFFFF;
            --text: #1B2430;
            --text-secondary: #5B6472;
            --text-light: #8A94A6;
            --border: #E3E8F0;
            --success: #059669;
            --warning: #DC2626;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow: 0 1px 3px rgba(27, 36, 48, .05), 0 4px 16px rgba(27, 36, 48, .04);
            --shadow-hover: 0 12px 28px rgba(43, 92, 230, .10);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media(min-width:768px) {
            .container {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(43, 92, 230, .18);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 92, 230, .22);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(43, 92, 230, .18);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(217, 119, 6, .2);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(217, 119, 6, .25);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(217, 119, 6, .2);
        }

        .btn-outline {
            background: #fff;
            border-color: #D0D5DD;
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(27, 36, 48, .06);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FBFCFE;
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(27, 36, 48, .06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }
        .logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .2px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            margin: 0 auto;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 2px;
            border-bottom: 3px solid transparent;
            border-radius: 0;
            transition: color .25s, border-color .25s;
            line-height: 1.2;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #F1F4F9;
            border: 1px solid #E3E8F0;
            border-radius: 999px;
            height: 40px;
            padding: 0 6px 0 16px;
            width: 210px;
            transition: border-color .25s, background .25s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(43, 92, 230, .1);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box button {
            width: 28px;
            height: 28px;
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: background .25s;
        }
        .search-box button:hover {
            background: var(--primary-hover);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 10px;
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .25s;
        }
        .menu-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Mobile menu ===== */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: #fff;
            z-index: 200;
            transition: right .35s ease;
            box-shadow: -8px 0 24px rgba(27, 36, 48, .08);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-menu-header .logo-text {
            font-size: 17px;
        }
        .mobile-menu-close {
            width: 40px;
            height: 40px;
            border: none;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .25s;
        }
        .mobile-menu-close:hover {
            background: #dfe6ff;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav a {
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all .25s;
        }
        .mobile-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-search {
            display: flex;
            align-items: center;
            background: #F1F4F9;
            border: 1px solid var(--border);
            border-radius: 10px;
            height: 44px;
            padding: 0 6px 0 14px;
        }
        .mobile-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
        }
        .mobile-search button {
            width: 32px;
            height: 32px;
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            cursor: pointer;
        }
        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(27, 36, 48, .4);
            z-index: 150;
            display: none;
            opacity: 0;
            transition: opacity .35s;
        }
        .menu-overlay.open {
            display: block;
            opacity: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(90deg, rgba(255, 255, 255, .94) 0%, rgba(255, 255, 255, .82) 60%, rgba(255, 255, 255, .65) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 100px 0 130px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 20px;
            border: 1px solid #FDE68A;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 40px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            color: var(--primary);
        }
        .hero p {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Stats strip ===== */
        .stats-section {
            position: relative;
            z-index: 10;
            margin-top: -60px;
            padding-bottom: 20px;
        }
        .stats-strip {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .stat-item {
            padding: 28px 24px;
            text-align: center;
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stat-item:nth-child(2n) {
            border-right: none;
        }
        .stat-item:nth-child(n+3) {
            border-bottom: none;
        }
        .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg);
        }
        .section-white {
            background: #fff;
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 640px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Levels ===== */
        .levels-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }
        .levels-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .levels-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .level-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .level-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: box-shadow .3s, border-color .3s, transform .3s;
        }
        .level-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(43, 92, 230, .3);
            transform: translateY(-2px);
        }
        .level-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }
        .level-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .level-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Benefits ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .benefit-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow);
            transition: box-shadow .3s, transform .3s;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .benefit-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 22px;
        }
        .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .benefit-card.accent .benefit-icon {
            background: var(--accent-light);
            color: var(--accent);
        }
        .benefit-head h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
        }
        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border);
            line-height: 1.6;
        }
        .benefit-list li:last-child {
            border-bottom: none;
        }
        .benefit-list li i {
            color: var(--primary);
            font-size: 13px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        .benefit-card.accent .benefit-list li i {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .3s;
        }
        .faq-card.open {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            width: 100%;
            min-height: 56px;
            padding: 18px 20px 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            text-align: left;
            transition: background .25s;
        }
        .faq-question:hover {
            background: #F8FAFD;
        }
        .faq-q-mark {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }
        .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .3s, background .3s;
        }
        .faq-card.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 20px 20px 42px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-card.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: #101B2B url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode: multiply;
            padding: 80px 0;
        }
        .cta-inner {
            display: flex;
            flex-direction: column;
            gap: 36px;
            align-items: flex-start;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.7;
            max-width: 560px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0D1626;
            color: #94A3B8;
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .logo-text {
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #7C8B9F;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #94A3B8;
            transition: color .25s;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
            font-size: 13px;
            color: #64748B;
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media(min-width:640px) {
            .stats-strip {
                grid-template-columns: repeat(4, 1fr);
            }
            .stat-item,
            .stat-item:nth-child(2n) {
                border-right: 1px solid var(--border);
                border-bottom: none;
            }
            .stat-item:last-child {
                border-right: none;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
        }

        @media(min-width:768px) {
            .levels-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
            .benefits-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-inner {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
            .cta-content {
                max-width: 560px;
            }
            .cta-actions {
                flex-shrink: 0;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        @media(min-width:1024px) {
            .hero h1 {
                font-size: 42px;
            }
        }

        @media(max-width:768px) {
            .main-nav,
            .search-box {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
            .hero {
                min-height: 420px;
                padding: 80px 0 110px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-title {
                font-size: 26px;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                flex: 1;
                width: 100%;
            }
        }

        @media(max-width:520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2n) {
                border-right: none;
            }
            .stat-item:nth-child(n+3) {
                border-bottom: none;
            }
            .levels-media img {
                height: 220px;
            }
            .benefit-card {
                padding: 22px;
            }
        }

        @media(min-width:769px) {
            .mobile-menu,
            .menu-overlay {
                display: none !important;
            }
        }