/* roulang page: index */
:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #EFF6FF;
  --orange: #F5A623;
  --teal: #10B981;
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --text: #1F2937;
  --muted: #6B7280;
  --border: #E5E7EB;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.10);
  --transition: all .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; border: 0; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { color: #0F172A; line-height: 1.3; margin: 0; }
h2 { font-size: 32px; font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 20px; font-weight: 600; }

.grid-container { max-width: 1280px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.section { padding: 100px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 16px; margin: 12px auto 0; max-width: 560px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.section-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 12px 28px; border-radius: 999px; font-size: 15px; font-weight: 600; line-height: 1.2; border: 1px solid transparent; cursor: pointer; transition: var(--transition); text-align: center; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(59,130,246,0.22); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-sm { min-height: 38px; padding: 8px 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:focus-visible, .chip:focus-visible, .form-input:focus-visible, a:focus-visible { outline: 3px solid rgba(59,130,246,0.45); outline-offset: 2px; }

.badge { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.4; }
.badge-blue { background: var(--primary-light); color: var(--primary); }

.site-header { background: #fff; position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(0,0,0,0.04); border-bottom: 1px solid var(--border); }
.nav-top { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary) 0%, #6366F1 100%); border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; box-shadow: 0 6px 12px rgba(59,130,246,0.28); }
.brand-text { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.brand:hover .brand-text { color: var(--primary); }
.nav-chips { display: flex; gap: 10px; padding-bottom: 14px; overflow-x: auto; scrollbar-width: none; }
.nav-chips::-webkit-scrollbar { display: none; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; background: #F1F5F9; color: #475569; border-radius: 999px; font-size: 14px; font-weight: 500; white-space: nowrap; border: 1px solid transparent; transition: var(--transition); }
.chip:hover { background: var(--primary-light); color: var(--primary); }
.chip.active { background: var(--primary-light); color: var(--primary); border-color: rgba(59,130,246,0.25); font-weight: 600; }

.hero { background: #fff; position: relative; overflow: hidden; padding: 70px 0 90px; }
.hero-row { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; align-items: center; }
.hero-label { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-light); color: var(--primary); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.hero h1 { font-size: 46px; line-height: 1.18; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 18px; color: #0F172A; }
.hero-desc { color: var(--muted); font-size: 17px; max-width: 520px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-points li { display: inline-flex; align-items: center; gap: 6px; background: #F8FAFC; border: 1px solid var(--border); border-radius: 999px; padding: 7px 14px; font-size: 13px; color: #0F172A; }
.hero-points i { color: var(--primary); }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; height: 440px; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-hover); border: 1px solid #EEF2F7; }
.hero-float { position: absolute; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-radius: 16px; box-shadow: var(--shadow); padding: 12px 18px; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #0F172A; font-size: 14px; }
.hero-float.top { top: 22px; right: 20px; }
.hero-float.bottom { bottom: 24px; left: 20px; }
.hero-float i { color: var(--orange); }

.value-section { padding: 100px 0; }
.value-row { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 64px; align-items: center; background: #fff; border-radius: 28px; padding: 56px; box-shadow: var(--shadow); border: 1px solid #EEF2F7; }
.value-copy h2 { margin-bottom: 18px; }
.value-copy p { color: var(--muted); font-size: 16px; margin-bottom: 0; }
.value-card { background: linear-gradient(145deg, #EFF6FF 0%, #FFFFFF 80%); border: 1px solid rgba(59,130,246,0.12); border-radius: 24px; padding: 36px; box-shadow: var(--shadow); }
.value-card-head { font-size: 16px; font-weight: 600; color: #0F172A; margin-bottom: 8px; }
.value-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.value-nums strong { display: block; font-size: 34px; color: var(--primary); font-weight: 800; line-height: 1.1; }
.value-nums span { font-size: 13px; color: var(--muted); }
.value-card p { color: var(--muted); font-size: 14px; margin-bottom: 0; }

.services { background: var(--bg); }
.service-card { background: var(--card); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); border: 1px solid #EEF2F7; transition: var(--transition); height: 100%; position: relative; overflow: hidden; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(59,130,246,0.38); }
.service-card:hover::after { opacity: 1; }
.service-card::after { content: ""; position: absolute; width: 80px; height: 80px; border-radius: 50%; right: -24px; top: -24px; background: rgba(59,130,246,0.06); opacity: 0; transition: var(--transition); }
.service-icon { width: 56px; height: 56px; display: inline-flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary); font-size: 22px; border-radius: 14px; margin-bottom: 18px; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; }
.text-link i { transition: transform .25s ease; }
.text-link:hover i { transform: translateX(4px); }

.scene-section { background: #fff; }
.scene-scroll { display: flex; gap: 24px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.scene-scroll::-webkit-scrollbar { display: none; }
.scene-card { min-width: 340px; max-width: 360px; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid #EEF2F7; scroll-snap-align: start; transition: var(--transition); }
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.scene-img { position: relative; height: 200px; overflow: hidden; }
.scene-img img { width: 100%; height: 100%; object-fit: cover; }
.scene-tag { position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,0.92); border-radius: 999px; padding: 4px 12px; font-size: 12px; font-weight: 600; color: var(--primary); }
.scene-body { padding: 20px; }
.scene-body h3 { font-size: 18px; margin-bottom: 6px; }
.scene-body p { font-size: 14px; color: var(--muted); margin-bottom: 0; }

.case-section { background: var(--bg); }
.case-panel { background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 70%); border-radius: 28px; padding: 56px; box-shadow: var(--shadow); border: 1px solid #EEF2F7; }
.case-panel h2 { margin-bottom: 14px; }
.case-panel > .cell > p { color: var(--muted); font-size: 16px; }
.case-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.case-stat { background: #fff; border-radius: 16px; padding: 18px; box-shadow: var(--shadow); text-align: center; border: 1px solid #EEF2F7; }
.case-stat strong { display: block; font-size: 26px; color: var(--primary); }
.case-stat span { font-size: 13px; color: var(--muted); }
.case-image img { width: 100%; height: 360px; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow-hover); }

.news-section { background: #fff; }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-card { display: flex; gap: 20px; background: #fff; border: 1px solid #EEF2F7; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; transition: var(--transition); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(59,130,246,0.38); }
.news-thumb { width: 220px; height: 140px; flex-shrink: 0; border-radius: 12px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { display: flex; flex-direction: column; justify-content: center; gap: 6px; flex: 1; min-width: 0; }
.news-body h3 { font-size: 18px; color: #0F172A; transition: var(--transition); }
.news-card:hover .news-body h3 { color: var(--primary); }
.news-body p { color: var(--muted); font-size: 14px; margin-bottom: 0; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-meta { display: flex; align-items: center; gap: 14px; }
.news-time { color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.news-empty { text-align: center; background: #F8FAFC; border: 1px dashed var(--border); border-radius: var(--radius); padding: 72px 24px; color: var(--muted); }
.news-empty i { font-size: 36px; color: var(--primary); margin-bottom: 12px; display: block; }
.news-empty p { margin-bottom: 0; font-size: 15px; }

.pricing-section { background: var(--bg); }
.price-card { background: #fff; border: 1px solid #EEF2F7; border-radius: 20px; padding: 32px 28px; box-shadow: var(--shadow); text-align: center; position: relative; height: 100%; display: flex; flex-direction: column; transition: var(--transition); }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.price-card.featured { border: 2px solid var(--primary); transform: scale(1.03); z-index: 2; background: #fff; box-shadow: 0 20px 50px rgba(59,130,246,0.15); }
.price-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.price-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--orange); color: #fff; border-radius: 999px; padding: 4px 14px; font-size: 12px; font-weight: 700; }
.price-card h3 { font-size: 20px; margin-bottom: 10px; }
.price { font-size: 40px; font-weight: 800; color: #0F172A; margin-bottom: 14px; }
.price small, .price span { font-size: 15px; font-weight: 500; color: var(--muted); }
.price-card ul { margin: 0 0 26px; padding: 0; list-style: none; text-align: left; }
.price-card li { position: relative; padding-left: 24px; margin-bottom: 10px; color: var(--text); font-size: 14px; }
.price-card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.price-card .btn { margin-top: auto; }

.faq-section { background: #fff; }
.faq-grid { row-gap: 24px; }
.faq-item { background: #fff; border: 1px solid #EEF2F7; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; border-left: 4px solid transparent; transition: var(--transition); cursor: pointer; height: 100%; }
.faq-item:hover { border-color: rgba(59,130,246,0.3); }
.faq-item.open { border-left-color: var(--primary); }
.faq-q { display: flex; align-items: center; gap: 12px; font-weight: 600; color: #0F172A; font-size: 16px; }
.faq-no { color: var(--primary); font-weight: 700; font-size: 14px; background: var(--primary-light); display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0; }
.faq-a { margin-top: 12px; color: var(--muted); font-size: 15px; display: none; padding-left: 38px; }
.faq-item.open .faq-a { display: block; }

.cta-section { background: var(--bg); }
.cta-panel { background: linear-gradient(135deg, #EAF3FF 0%, #DCEBFF 100%); border-radius: 28px; padding: 72px 56px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.cta-copy h2 { font-size: 36px; margin-bottom: 16px; }
.cta-copy p { color: #334155; font-size: 16px; margin-bottom: 0; max-width: 420px; }
.cta-form { display: grid; gap: 12px; background: #fff; border-radius: 18px; box-shadow: var(--shadow-hover); padding: 24px; }
.form-input { padding: 12px 16px; border: 1px solid var(--border); border-radius: 12px; background: #F9FAFB; transition: var(--transition); width: 100%; }
.form-input:focus { border-color: var(--primary); background: #fff; }
.form-tip { color: var(--muted); font-size: 13px; text-align: center; margin-bottom: 0; }
.form-status { min-height: 0; }

.site-footer { background: #fff; border-top: 1px solid var(--border); padding-top: 64px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand-link { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 360px; }
.footer-links h4, .footer-contact h4 { font-size: 16px; margin-bottom: 16px; }
.footer-links a { display: block; color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.footer-links a:hover { color: var(--primary); }
.footer-contact p { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.footer-contact i { color: var(--primary); margin-right: 6px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 18px 0; text-align: center; color: var(--muted); font-size: 13px; }

#pricing, #service, #contact { scroll-margin-top: 120px; }

@media (max-width: 1024px) {
  .hero-row { gap: 40px; }
  .hero h1 { font-size: 38px; }
  .hero-visual img { height: 380px; }
  .value-row { padding: 44px 32px; gap: 36px; }
  .case-panel { padding: 40px 32px; }
  .cta-panel { padding: 48px 32px; }
  .cta-copy h2 { font-size: 30px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 68px 0; }
  .grid-container { padding-left: 20px; padding-right: 20px; }
  .nav-top { height: 64px; }
  .brand-text { font-size: 19px; }
  .brand-mark { width: 38px; height: 38px; font-size: 17px; }
  .hero { padding: 56px 0 72px; }
  .hero-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
  .hero-actions .btn { padding: 10px 18px; }
  .hero-visual img { height: 320px; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 28px; }
  .value-row { grid-template-columns: 1fr; padding: 36px 22px; }
  .scene-card { min-width: 280px; max-width: 300px; }
  .case-panel { padding: 32px 20px; }
  .case-stats { grid-template-columns: 1fr 1fr; }
  .case-image img { height: 260px; }
  .cta-panel { grid-template-columns: 1fr; padding: 40px 24px; }
  .cta-copy h2 { font-size: 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .price-card.featured { transform: scale(1); }
  .price-card.featured:hover { transform: scale(1) translateY(-4px); }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .nav-top { height: 60px; }
  .brand-text { font-size: 17px; }
  .brand-mark { width: 34px; height: 34px; font-size: 15px; }
  .chip { padding: 6px 14px; font-size: 13px; }
  .hero h1 { font-size: 28px; }
  .hero-desc { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-points li { font-size: 12px; }
  .hero-visual img { height: 260px; }
  .hero-float { padding: 10px 14px; font-size: 12px; }
  .section { padding: 56px 0; }
  .service-card { padding: 24px; }
  .scene-card { min-width: 240px; max-width: 260px; }
  .scene-img { height: 160px; }
  .case-stats { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; padding: 14px; }
  .news-thumb { width: 100%; height: 180px; }
  .cta-panel { padding: 32px 18px; }
  .cta-form { padding: 18px; }
  .cta-copy h2 { font-size: 26px; }
  .form-input { font-size: 14px; }
  .faq-q { font-size: 15px; }
}

/* roulang page: category1 */
/* ============================================
           设计变量
        ============================================ */
        :root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #DBEAFE;
            --primary-soft: #EFF6FF;
            --accent: #F5A623;
            --teal: #10B981;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text: #1F2937;
            --text-light: #6B7280;
            --border: #E5E7EB;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.10);
            --space-section: 90px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ============================================
           容器
        ============================================ */
        .grid-container {
            max-width: 1280px !important;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============================================
           按钮
        ============================================ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 30px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(59, 130, 246, 0.35);
        }

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

        .btn-outline:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 22px;
            font-size: 14px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 38px;
            font-size: 16px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(59, 130, 246, 0.45);
            outline-offset: 2px;
        }

        /* ============================================
           Header / 导航
        ============================================ */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .site-header .grid-container {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            cursor: pointer;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), #60A5FA);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 6px 18px rgba(59, 130, 246, 0.3);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-chips {
            display: flex;
            flex-wrap: nowrap;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 4px;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }

        .nav-chips::-webkit-scrollbar {
            height: 4px;
        }

        .nav-chips::-webkit-scrollbar-thumb {
            background: #d1d5db;
            border-radius: 4px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 22px;
            background: #F3F4F6;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            text-decoration: none;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .chip:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: rgba(59, 130, 246, 0.3);
        }

        .chip.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: rgba(59, 130, 246, 0.35);
        }

        /* ============================================
           页面 Hero
        ============================================ */
        .page-hero {
            background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 55%, #F0F7FF 100%);
            padding: 76px 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

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

        .page-hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero h1 .brand-highlight {
            color: var(--primary);
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-trust {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
            padding: 0;
        }

        .hero-trust li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }

        .hero-trust li i {
            color: var(--teal);
            font-size: 15px;
        }

        .hero-image {
            position: relative;
        }

        .hero-image img {
            border-radius: 20px;
            box-shadow: 0 24px 60px rgba(59, 130, 246, 0.18);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-image::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            pointer-events: none;
        }

        /* ============================================
           通用板块标题
        ============================================ */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ============================================
           课程方向卡片
        ============================================ */
        .course-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .course-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .course-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--primary);
            transition: height 0.35s ease;
        }

        .course-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(59, 130, 246, 0.4);
        }

        .course-card:hover::before {
            height: 100%;
        }

        .course-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .course-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .course-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .course-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .course-card .card-link i {
            transition: transform 0.25s;
        }

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

        /* ============================================
           授课模式 左右交替
        ============================================ */
        .mode-list {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .mode-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .mode-item.flip .mode-media {
            order: 2;
        }

        .mode-media img {
            border-radius: 14px;
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .mode-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .mode-content .mode-desc {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .mode-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mode-tags .tag {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
        }

        /* ============================================
           适用场景
        ============================================ */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .scene-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .scene-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .scene-card-body {
            padding: 24px;
        }

        .scene-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .scene-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .scene-card .scene-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        /* ============================================
           服务流程
        ============================================ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            transition: all 0.3s ease;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.65;
        }

        .step-item::after {
            content: "\f054";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 14px;
            z-index: 2;
        }

        .step-item:last-child::after {
            display: none;
        }

        /* ============================================
           数据成果
        ============================================ */
        .stats-section {
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.92), rgba(59, 130, 246, 0.85));
        }

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

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

        .stats-section .section-head p {
            color: rgba(255, 255, 255, 0.85);
        }

        .stats-section .section-tag {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 32px 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
        }

        .stat-item .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }

        /* ============================================
           FAQ
        ============================================ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 28px;
            transition: all 0.3s ease;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-item h3::before {
            content: "\f059";
            font-family: "Font Awesome 6 Free";
            font-weight: 400;
            color: var(--primary);
            font-size: 16px;
            margin-top: 2px;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
            padding-left: 26px;
        }

        /* ============================================
           CTA / 表单
        ============================================ */
        .cta-section {
            padding: 90px 0;
        }

        .cta-card {
            background: #fff;
            border-radius: 24px;
            padding: 56px;
            box-shadow: 0 24px 60px rgba(59, 130, 246, 0.12);
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            border: 1px solid var(--border);
        }

        .cta-left h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }

        .cta-left p {
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 28px;
            font-size: 15px;
        }

        .cta-left .contact-line {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 0;
        }

        .cta-left .contact-line li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
        }

        .cta-left .contact-line i {
            color: var(--primary);
            font-size: 18px;
            width: 22px;
        }

        .cta-right .form-group {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .cta-right label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            display: block;
        }

        .cta-right input,
        .cta-right textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--bg);
            transition: all 0.3s ease;
            outline: none;
            color: var(--text);
        }

        .cta-right input:focus,
        .cta-right textarea:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
        }

        .cta-right textarea {
            min-height: 100px;
            resize: vertical;
        }

        .cta-right .btn {
            width: 100%;
            margin-top: 6px;
        }

        .form-hint {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 12px;
            text-align: center;
        }

        .form-message {
            margin-top: 12px;
            font-size: 14px;
            text-align: center;
            min-height: 24px;
        }

        /* ============================================
           Footer
        ============================================ */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 56px 0 20px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 1fr;
            gap: 48px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .brand-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--text-light);
            padding: 5px 0;
            transition: color 0.25s;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
        }

        .footer-bottom {
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-light);
        }

        /* ============================================
           响应式
        ============================================ */
        @media screen and (max-width: 1024px) {
            :root {
                --space-section: 70px;
            }

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

            .footer-top {
                gap: 30px;
            }

            .cta-card {
                padding: 40px;
                gap: 36px;
            }
        }

        @media screen and (max-width: 768px) {
            .page-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .page-hero {
                padding: 56px 0;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .course-grid,
            .scene-grid,
            .faq-grid {
                grid-template-columns: 1fr;
            }

            .mode-item {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .mode-item.flip .mode-media {
                order: 0;
            }

            .process-steps {
                grid-template-columns: 1fr 1fr;
            }

            .step-item::after {
                display: none;
            }

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

            .cta-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-ctas .btn {
                flex: 1;
                justify-content: center;
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --space-section: 56px;
            }

            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .nav-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .nav-cta {
                width: 100%;
            }

            .nav-cta .btn {
                flex: 1;
            }

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

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

            .hero-trust {
                flex-direction: column;
                gap: 10px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

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

            .stat-item .stat-num {
                font-size: 36px;
            }

            .cta-card {
                padding: 24px 18px;
            }

            .cta-right .btn {
                width: 100%;
            }

            .btn-lg {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #3B82F6;
  --primary-dark: #2E6FE0;
  --primary-light: #E5EDFF;
  --accent-orange: #F5A623;
  --accent-green: #10B981;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text: #1F2937;
  --muted: #6B7280;
  --line: #E5E7EB;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.10);
  --container: 1280px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
}

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

.grid-container {
  max-width: var(--container);
  padding-left: 20px;
  padding-right: 20px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  background: transparent;
  min-height: 44px;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid rgba(59,130,246,.4);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59,130,246,.25);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: #fff;
  border-color: #D1D9E6;
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #F5F9FF;
  transform: translateY(-2px);
}

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

.btn-sm {
  padding: 8px 18px;
  min-height: 38px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* ========== Header & Nav ========== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(31,42,65,.04);
}

.site-header .grid-container {
  padding-top: 0;
  padding-bottom: 0;
}

.nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 6px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 14px rgba(59,130,246,.3);
}

.brand-text {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  letter-spacing: .5px;
  line-height: 1.2;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding: 8px 0 14px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: #F0F4F9;
  color: #4B5565;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .25s ease;
}

.chip:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-1px);
}

.chip:active {
  transform: translateY(0);
}

.chip.active {
  background: var(--primary-light);
  color: #2563EB;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(59,130,246,.25);
}

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  padding: 64px 0 52px;
  background:
    linear-gradient(120deg, rgba(240,247,255,.97) 0%, rgba(248,250,255,.92) 50%, rgba(235,244,255,.96) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid #ECEEF3;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: var(--muted);
}

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

.breadcrumb i {
  font-size: 10px;
  color: #B0B8C4;
}

.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
}

.article-title {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -.5px;
  color: #0F172A;
  margin-bottom: 20px;
  max-width: 860px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-badge {
  background: rgba(59,130,246,.1);
  color: #2563EB;
  font-weight: 600;
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 999px;
  display: inline-block;
}

/* ========== Article Content ========== */
.article-content-section {
  padding: 64px 0 30px;
}

.article-body {
  max-width: 780px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid #F0F2F5;
  padding: 52px 56px;
}

.article-body p {
  font-size: 17px;
  line-height: 1.85;
  color: #2B3445;
  margin-bottom: 24px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: #111827;
  margin: 42px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin: 32px 0 14px;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 26px 0 12px;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.article-body blockquote {
  border-left: 4px solid var(--accent-orange);
  background: #FFFAF0;
  padding: 20px 24px;
  border-radius: 0 14px 14px 0;
  margin: 30px 0;
  color: #6B7280;
  font-size: 16px;
  line-height: 1.8;
}

.article-body img {
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0,0,0,.08);
  margin: 30px auto;
  width: 100%;
  height: auto;
}

.article-body ul,
.article-body ol {
  margin: 22px 0;
  padding-left: 24px;
  line-height: 1.9;
  color: #2B3445;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 6px;
}

.article-body hr {
  margin: 38px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.article-body pre {
  background: #0F172A;
  color: #E2E8F0;
  padding: 20px 24px;
  border-radius: 14px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 26px 0;
}

.article-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: .92em;
  background: #F1F5F9;
  padding: 2px 6px;
  border-radius: 6px;
  color: #334155;
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 14px;
}

.article-body table th,
.article-body table td {
  border: 1px solid var(--line);
  padding: 11px 14px;
  text-align: left;
}

.article-body table th {
  background: #F8FAFC;
  font-weight: 600;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #F3F6FA;
  color: #4B5565;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: all .2s ease;
}

.tag:hover {
  background: var(--primary-light);
  color: #2563EB;
}

.article-back {
  margin-top: 34px;
  text-align: center;
}

.article-empty {
  text-align: center;
  padding: 70px 24px;
}

.article-empty i {
  font-size: 56px;
  color: #B0B8C4;
  margin-bottom: 20px;
  display: block;
}

.article-empty h2 {
  font-size: 24px;
  color: #111827;
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 15px;
}

/* ========== Related Section ========== */
.related-section {
  padding: 70px 0 40px;
}

.section-head {
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
  letter-spacing: -.3px;
}

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

.related-grid .cell {
  margin-bottom: 24px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  border: 1px solid transparent;
  position: relative;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59,130,246,.3);
}

.related-card:focus-visible {
  outline: 3px solid rgba(59,130,246,.4);
  outline-offset: 2px;
}

.related-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #EAF1F9;
}

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

.related-card:hover .related-thumb img {
  transform: scale(1.04);
}

.thumb-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(17,24,39,.72);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  letter-spacing: .2px;
}

.related-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: #1F2937;
  margin: 0;
  transition: color .2s ease;
}

.related-card:hover .related-title {
  color: #2563EB;
}

.related-excerpt {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-meta {
  margin-top: auto;
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: #9CA3AF;
}

/* ========== Comments ========== */
.comments-section {
  padding: 48px 0 40px;
}

.comments-placeholder {
  text-align: center;
  padding: 50px 24px;
  background: #fff;
  border: 1px dashed #D1D9E6;
  border-radius: 20px;
  color: var(--muted);
  max-width: 860px;
  margin: 0 auto;
}

.comments-placeholder i {
  font-size: 30px;
  color: #B0B8C4;
  margin-bottom: 14px;
  display: block;
}

.comments-placeholder h3 {
  font-size: 18px;
  color: #1F2937;
  margin-bottom: 8px;
}

.comments-placeholder p {
  font-size: 14px;
  color: var(--muted);
  max-width: 420px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== CTA ========== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(120deg, #EAF2FF 0%, #F8FBFF 55%, #EDF5FF 100%);
  border-top: 1px solid #E9EEF5;
}

.cta-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 56px;
  box-shadow: 0 16px 48px rgba(31,42,65,.10);
  border: 1px solid #E9EEF5;
}

.cta-box h2 {
  font-size: 30px;
  color: #111827;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -.3px;
}

.cta-box > .grid-x > .cell > p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 24px;
}

.cta-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.cta-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #374151;
  font-size: 14px;
}

.cta-points i {
  color: var(--accent-green);
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #FAFCFF;
  border-radius: 20px;
  padding: 28px;
  border: 1px solid #EEF2F7;
}

.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid #DDE3EC;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: all .2s ease;
  color: var(--text);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(59,130,246,.12);
  background: #fff;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #9CA3AF;
}

.form-row textarea {
  resize: vertical;
  min-height: 74px;
}

.lead-form .btn {
  margin-top: 4px;
}

.form-message {
  min-height: 18px;
  font-size: 13px;
  color: var(--accent-green);
  text-align: center;
}

/* ========== Footer ========== */
.site-footer {
  background: #F9FAFB;
  border-top: 1px solid var(--line);
  padding: 60px 0 0;
  color: #4B5565;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 48px;
}

.footer-brand .brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #111827;
  font-size: 20px;
}

.footer-brand p {
  margin-top: 16px;
  line-height: 1.75;
  color: var(--muted);
  font-size: 14px;
  max-width: 340px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
  transition: all .2s ease;
}

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

.footer-contact p {
  margin-bottom: 10px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #9CA3AF;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .article-title {
    font-size: 34px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .cta-box {
    padding: 44px 36px;
  }
}

@media (max-width: 768px) {
  .article-hero {
    padding: 44px 0 36px;
  }

  .article-title {
    font-size: 30px;
  }

  .article-body {
    padding: 34px 28px;
    border-radius: 18px;
  }

  .cta-section {
    padding: 64px 0;
  }

  .cta-box {
    padding: 32px 24px;
  }

  .comments-section {
    padding: 36px 0 30px;
  }

  .related-section {
    padding: 56px 0 30px;
  }
}

@media (max-width: 640px) {
  .nav-top {
    padding: 12px 0 4px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .nav-cta .btn-sm {
    padding: 8px 14px;
    font-size: 13px;
  }

  .nav-chips {
    padding: 6px 0 12px;
    gap: 8px;
  }

  .chip {
    padding: 7px 14px;
    font-size: 13px;
  }

  .article-hero {
    padding: 36px 0 30px;
  }

  .breadcrumb {
    font-size: 12px;
    margin-bottom: 16px;
  }

  .article-title {
    font-size: 24px;
    letter-spacing: 0;
  }

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-content-section {
    padding: 36px 0 20px;
  }

  .article-body {
    padding: 26px 20px;
    border-radius: 16px;
  }

  .article-body p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
  }

  .article-body h2 {
    font-size: 22px;
    margin: 34px 0 14px;
  }

  .article-body h3 {
    font-size: 18px;
    margin: 26px 0 12px;
  }

  .article-body blockquote {
    padding: 16px 18px;
    font-size: 15px;
  }

  .article-tags {
    margin-top: 32px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .cta-box {
    padding: 28px 20px;
    border-radius: 18px;
  }

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

  .lead-form {
    padding: 22px 18px;
  }

  .lead-form .btn {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
  }

  .footer-bottom {
    text-align: center;
  }
}

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

  .nav-cta {
    display: none;
  }

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

  .article-title {
    font-size: 22px;
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .related-meta {
    flex-wrap: wrap;
    gap: 8px;
  }

  .cta-points {
    margin-bottom: 20px;
  }
}

/* roulang page: category3 */
:root {
        --brand-primary: #4A90D9;
        --brand-primary-dark: #3B78C4;
        --brand-accent-orange: #F5A623;
        --brand-accent-teal: #10B981;
        --bg-body: #F5F8FC;
        --bg-card: #FFFFFF;
        --text-primary: #1F2937;
        --text-secondary: #6B7280;
        --border-divider: #E5E7EB;
        --radius-card: 16px;
        --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
        --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.10);
        --transition-base: all 0.3s ease;
        --container-max: 1280px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
        background-color: var(--bg-body);
        color: var(--text-primary);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--brand-primary); text-decoration: none; transition: var(--transition-base); }
    a:hover { color: var(--brand-primary-dark); }
    ul, ol { list-style-position: inside; }
    .grid-container { max-width: var(--container-max); margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 32px;
        border-radius: 999px;
        font-size: 16px;
        font-weight: 600;
        line-height: 1.2;
        border: none;
        cursor: pointer;
        transition: var(--transition-base);
        text-align: center;
    }
    .btn-primary {
        background-color: var(--brand-primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(74, 144, 217, 0.35);
    }
    .btn-primary:hover {
        background-color: var(--brand-primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(74, 144, 217, 0.4);
    }
    .btn-secondary {
        background-color: transparent;
        color: var(--brand-primary);
        border: 1px solid var(--brand-primary);
    }
    .btn-secondary:hover {
        background-color: rgba(74, 144, 217, 0.08);
        color: var(--brand-primary-dark);
        border-color: var(--brand-primary-dark);
    }
    .btn-sm { padding: 10px 24px; font-size: 14px; }
    .btn:focus-visible, .chip:focus-visible, a:focus-visible {
        outline: 3px solid rgba(74, 144, 217, 0.5);
        outline-offset: 2px;
    }
    .btn-block { width: 100%; }

    /* ===== Header ===== */
    .site-header {
        background: #fff;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid var(--border-divider);
    }
    .nav-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 18px;
        padding-bottom: 8px;
        gap: 16px;
    }
    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: 0.5px;
    }
    .brand:hover { color: var(--text-primary); opacity: 0.85; }
    .brand-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, var(--brand-primary), #6BB3F0);
        color: #fff;
        border-radius: 10px;
        font-size: 18px;
        box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3);
    }
    .brand-text { font-size: 20px; }
    .nav-chips {
        display: flex;
        gap: 10px;
        padding-bottom: 16px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .nav-chips::-webkit-scrollbar { display: none; }
    .chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 20px;
        border-radius: 999px;
        background: #F1F5F9;
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 500;
        white-space: nowrap;
        transition: var(--transition-base);
        border: 1px solid transparent;
        flex-shrink: 0;
    }
    .chip:hover {
        background: #E2E8F0;
        color: var(--text-primary);
        border-color: var(--border-divider);
    }
    .chip.active {
        background: rgba(74, 144, 217, 0.10);
        color: var(--brand-primary);
        border-color: rgba(74, 144, 217, 0.2);
        font-weight: 600;
    }
    .nav-cta { display: flex; align-items: center; gap: 12px; }

    /* ===== Category Hero ===== */
    .category-hero {
        position: relative;
        background: linear-gradient(135deg, #EFF6FF 0%, #F5F8FC 60%, #ECFDF5 100%);
        padding: 72px 0 64px;
        overflow: hidden;
        border-bottom: 1px solid var(--border-divider);
    }
    .category-hero::before {
        content: "";
        position: absolute;
        top: -60px;
        right: -60px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .category-hero .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(16, 185, 129, 0.1);
        color: #0B8F68;
        border: 1px solid rgba(16, 185, 129, 0.25);
        border-radius: 999px;
        padding: 6px 18px;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 24px;
    }
    .category-hero h1 {
        font-size: 44px;
        font-weight: 700;
        line-height: 1.2;
        color: var(--text-primary);
        margin-bottom: 20px;
        max-width: 680px;
    }
    .category-hero h1 .highlight {
        color: var(--brand-accent-teal);
        position: relative;
    }
    .category-hero .hero-desc {
        font-size: 18px;
        line-height: 1.8;
        color: var(--text-secondary);
        max-width: 760px;
        margin-bottom: 32px;
    }
    .category-hero .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .hero-stat-row {
        display: flex;
        gap: 40px;
        margin-top: 48px;
        padding-top: 32px;
        border-top: 1px solid var(--border-divider);
        flex-wrap: wrap;
    }
    .hero-stat {
        display: flex;
        flex-direction: column;
    }
    .hero-stat .stat-num {
        font-size: 32px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.2;
    }
    .hero-stat .stat-label {
        font-size: 14px;
        color: var(--text-secondary);
        margin-top: 4px;
    }
    .hero-visual {
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card-hover);
        position: relative;
    }
    .hero-visual img {
        width: 100%;
        height: 360px;
        object-fit: cover;
    }
    .hero-visual .visual-tag {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 999px;
        padding: 6px 16px;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-accent-teal);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    /* ===== Section Base ===== */
    .section {
        padding: 80px 0;
    }
    .section-label {
        display: inline-block;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--brand-accent-teal);
        margin-bottom: 12px;
        text-transform: uppercase;
    }
    .section-label.is-blue { color: var(--brand-primary); }
    .section-label.is-orange { color: var(--brand-accent-orange); }
    .section-title {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .section-subtitle {
        font-size: 17px;
        color: var(--text-secondary);
        max-width: 640px;
        line-height: 1.7;
        margin-bottom: 40px;
    }

    /* ===== Pillars (2x2 Grid) ===== */
    .pillar-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 24px;
    }
    .pillar-card {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        padding: 32px;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(0, 0, 0, 0.03);
        transition: var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .pillar-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: var(--brand-accent-teal);
        border-radius: 0 4px 4px 0;
        opacity: 0.8;
    }
    .pillar-card:nth-child(2)::before { background: var(--brand-primary); }
    .pillar-card:nth-child(3)::before { background: var(--brand-accent-orange); }
    .pillar-card:nth-child(4)::before { background: #8B5CF6; }
    .pillar-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
        border-color: var(--brand-accent-teal);
    }
    .pillar-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 18px;
        color: #fff;
    }
    .pillar-icon.teal { background: var(--brand-accent-teal); box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
    .pillar-icon.blue { background: var(--brand-primary); box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3); }
    .pillar-icon.orange { background: var(--brand-accent-orange); box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3); }
    .pillar-icon.purple { background: #8B5CF6; box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3); }
    .pillar-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 10px;
        color: var(--text-primary);
    }
    .pillar-card p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* ===== Scenario Alternating Rows ===== */
    .scenario-block { margin-bottom: 40px; }
    .scenario-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
        background: var(--bg-card);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(0, 0, 0, 0.03);
        transition: var(--transition-base);
    }
    .scenario-row:hover { box-shadow: var(--shadow-card-hover); }
    .scenario-row + .scenario-row { margin-top: 24px; }
    .scenario-image { position: relative; min-height: 280px; }
    .scenario-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
    }
    .scenario-image .scenario-tag {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 999px;
        padding: 4px 14px;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-accent-teal);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    }
    .scenario-content { padding: 36px; }
    .scenario-content h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--text-primary);
    }
    .scenario-content p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin-bottom: 16px;
    }
    .scenario-points {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 20px;
    }
    .scenario-point {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(16, 185, 129, 0.08);
        color: #0B8F68;
        font-size: 13px;
        font-weight: 500;
        border-radius: 999px;
        padding: 4px 12px;
    }
    .scenario-point i { font-size: 11px; }
    .scenario-link {
        color: var(--brand-accent-teal);
        font-weight: 600;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition-base);
    }
    .scenario-link:hover { gap: 10px; color: #0B8F68; }

    /* ===== Featured Content Cards ===== */
    .content-card-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 24px;
    }
    .content-card {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(0, 0, 0, 0.03);
        transition: var(--transition-base);
        display: flex;
        flex-direction: column;
    }
    .content-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(16, 185, 129, 0.4);
    }
    .content-card-image {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/9;
    }
    .content-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .content-card:hover .content-card-image img { transform: scale(1.03); }
    .content-card-badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(16, 185, 129, 0.95);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        border-radius: 999px;
        padding: 4px 14px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
        backdrop-filter: blur(4px);
    }
    .content-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .content-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); line-height: 1.4; }
    .content-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; flex: 1; }
    .content-card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--border-divider);
        font-size: 13px;
        color: var(--text-secondary);
    }
    .content-card-footer a { color: var(--brand-accent-teal); font-weight: 600; }

    /* ===== Guide / Steps ===== */
    .guide-section {
        background: #fff;
        border-top: 1px solid var(--border-divider);
        border-bottom: 1px solid var(--border-divider);
    }
    .guide-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 32px;
    }
    .guide-step {
        position: relative;
        padding: 28px 20px 20px;
        background: var(--bg-body);
        border-radius: var(--radius-card);
        border: 1px solid rgba(0, 0, 0, 0.04);
        transition: var(--transition-base);
    }
    .guide-step:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
    .step-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--brand-accent-teal);
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 16px;
        box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    }
    .guide-step:nth-child(2) .step-num { background: var(--brand-primary); box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3); }
    .guide-step:nth-child(3) .step-num { background: var(--brand-accent-orange); box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3); }
    .guide-step:nth-child(4) .step-num { background: #8B5CF6; box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3); }
    .guide-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
    .guide-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

    /* ===== FAQ ===== */
    .faq-section { background: var(--bg-body); }
    .faq-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 32px;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-card);
        padding: 28px;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(0, 0, 0, 0.03);
        border-left: 4px solid var(--brand-accent-teal);
        transition: var(--transition-base);
    }
    .faq-item:hover { box-shadow: var(--shadow-card-hover); }
    .faq-item .faq-q {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    .faq-item .faq-q .faq-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(16, 185, 129, 0.1);
        color: var(--brand-accent-teal);
        font-size: 13px;
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 2px;
    }
    .faq-item .faq-a { font-size: 15px; color: var(--text-secondary); line-height: 1.7; padding-left: 36px; }

    /* ===== CTA / Contact ===== */
    .cta-section {
        background: linear-gradient(135deg, #EBF4FF 0%, #F0F9FF 50%, #E6F7F1 100%);
        padding: 72px 0;
        border: none;
    }
    .cta-box {
        background: var(--bg-card);
        border-radius: 20px;
        box-shadow: var(--shadow-card-hover);
        padding: 48px;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 48px;
        align-items: center;
        border: 1px solid rgba(0, 0, 0, 0.04);
    }
    .cta-left h2 { font-size: 32px; font-weight: 700; margin-bottom: 14px; color: var(--text-primary); }
    .cta-left p { font-size: 16px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 20px; }
    .cta-points { list-style: none; padding: 0; margin: 0; }
    .cta-points li { display: flex; gap: 10px; align-items: center; font-size: 15px; margin-bottom: 10px; color: var(--text-primary); }
    .cta-points li i { color: var(--brand-accent-teal); font-size: 14px; width: 20px; text-align: center; }
    .cta-form {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .cta-form label { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; display: block; }
    .cta-form input, .cta-form textarea {
        width: 100%;
        padding: 12px 16px;
        border: 1px solid var(--border-divider);
        border-radius: 10px;
        font-size: 15px;
        font-family: inherit;
        background: #F9FAFB;
        color: var(--text-primary);
        transition: var(--transition-base);
    }
    .cta-form input:focus, .cta-form textarea:focus {
        outline: none;
        border-color: var(--brand-accent-teal);
        box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        background: #fff;
    }
    .cta-form textarea { min-height: 100px; resize: vertical; }
    .form-tip { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

    /* ===== Footer ===== */
    .site-footer {
        background: #FFFFFF;
        border-top: 1px solid var(--border-divider);
        padding: 56px 0 24px;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 48px;
        margin-bottom: 40px;
    }
    .footer-brand .brand-link {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; max-width: 380px; }
    .footer-links h4, .footer-contact h4 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 16px;
        color: var(--text-primary);
    }
    .footer-links a {
        display: block;
        font-size: 14px;
        color: var(--text-secondary);
        padding: 4px 0;
    }
    .footer-links a:hover { color: var(--brand-primary); }
    .footer-contact p { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
    .footer-contact p i { width: 16px; color: var(--brand-primary); }
    .footer-bottom {
        border-top: 1px solid var(--border-divider);
        padding-top: 24px;
        text-align: center;
        font-size: 14px;
        color: var(--text-secondary);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .hero-stat-row { gap: 24px; }
        .guide-steps { grid-template-columns: repeat(2, 1fr); }
        .cta-box { grid-template-columns: 1fr; gap: 32px; padding: 36px; }
        .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
        .category-hero h1 { font-size: 38px; }
    }
    @media (max-width: 768px) {
        .section { padding: 56px 0; }
        .section-title { font-size: 28px; }
        .category-hero { padding: 48px 0 48px; }
        .category-hero h1 { font-size: 32px; }
        .category-hero .hero-desc { font-size: 16px; }
        .pillar-grid { grid-template-columns: 1fr; }
        .scenario-row { grid-template-columns: 1fr; }
        .scenario-image { min-height: 220px; }
        .scenario-image img { position: relative; }
        .content-card-list { grid-template-columns: 1fr; }
        .faq-grid { grid-template-columns: 1fr; }
        .guide-steps { grid-template-columns: 1fr; }
        .footer-top { grid-template-columns: 1fr; gap: 24px; }
        .nav-top { flex-direction: column; align-items: flex-start; gap: 12px; }
        .nav-cta { width: 100%; }
        .nav-cta .btn { flex: 1; }
        .hero-actions .btn { width: 100%; }
        .hero-stat-row { gap: 16px; }
        .hero-stat .stat-num { font-size: 26px; }
    }
    @media (max-width: 520px) {
        .grid-container { padding-left: 16px; padding-right: 16px; }
        .category-hero h1 { font-size: 28px; }
        .brand-text { font-size: 18px; }
        .chip { padding: 8px 16px; font-size: 13px; }
        .pillar-card { padding: 24px; }
        .scenario-content { padding: 24px; }
        .cta-box { padding: 24px; }
        .cta-left h2 { font-size: 26px; }
        .btn { width: 100%; }
    }

/* roulang page: category2 */
:root {
      --primary: #3B82F6;
      --primary-dark: #2F6FE4;
      --accent: #F5A623;
      --teal: #10B981;
      --bg: #F5F8FC;
      --card-bg: #FFFFFF;
      --text: #1F2937;
      --text-light: #6B7280;
      --border: #E5E7EB;
      --radius: 16px;
      --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.10);
      --space: 96px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

    ul,
    ol {
      list-style: none;
    }

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

    .grid-container {
      max-width: 1280px;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding: var(--space) 0;
    }

    .section-alt {
      background: #F1F5FA;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    }

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

    .btn-outline:hover {
      background: #EFF5FF;
      border-color: var(--primary-dark);
      transform: translateY(-1px);
    }

    .btn:focus-visible {
      outline: 3px solid rgba(59, 130, 246, 0.4);
      outline-offset: 2px;
    }

    .btn-sm {
      height: 40px;
      padding: 0 20px;
      font-size: 14px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: 999px;
      background: #EFF5FF;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-light);
      max-width: 640px;
    }

    /* ===== Header ===== */
    .site-header {
      background: #fff;
      border-bottom: 1px solid rgba(229, 231, 235, 0.8);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    }

    .nav-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 0 8px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: var(--primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    .brand-text {
      font-size: 22px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: 0.5px;
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-chips {
      display: flex;
      gap: 10px;
      padding: 10px 0 14px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }

    .nav-chips::-webkit-scrollbar {
      display: none;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 20px;
      border-radius: 999px;
      background: #EDF1F7;
      color: var(--text);
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      border: 1px solid transparent;
      transition: all 0.2s ease;
    }

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

    .chip.active {
      background: #E8F0FE;
      color: var(--primary);
      border-color: rgba(59, 130, 246, 0.2);
      font-weight: 700;
    }

    .chip.active:hover {
      background: var(--primary);
      color: #fff;
    }

    /* ===== Hero ===== */
    .cat-hero {
      background: linear-gradient(135deg, #EFF5FF 0%, #F8FAFE 70%, #FFFFFF 100%);
      padding: 72px 0 80px;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(59, 130, 246, 0.18);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
      box-shadow: 0 2px 8px rgba(59, 130, 246, 0.06);
    }

    .cat-hero h1 {
      font-size: 44px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .hero-sub {
      font-size: 17px;
      color: var(--text-light);
      line-height: 1.8;
      max-width: 540px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .hero-points {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }

    .hero-points li {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: var(--text);
      font-weight: 500;
    }

    .hero-points i {
      color: var(--teal);
      font-size: 14px;
    }

    .hero-media {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(59, 130, 246, 0.16);
    }

    .hero-media img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }

    .hero-media::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent 60%);
      pointer-events: none;
    }

    .hero-media .hero-float-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(6px);
      padding: 8px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      z-index: 2;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    }

    /* ===== 赛事类型 ===== */
    .types-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .type-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      transition: all 0.3s ease;
      height: 100%;
      position: relative;
      overflow: hidden;
    }

    .type-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--accent);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .type-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(245, 166, 35, 0.3);
    }

    .type-card:hover::before {
      opacity: 1;
    }

    .type-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: #FEF3E2;
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }

    .type-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .type-card p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .type-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .type-link i {
      font-size: 12px;
      transition: transform 0.2s ease;
    }

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

    /* ===== 近期赛事 ===== */
    .events-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .event-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: all 0.3s ease;
      height: 100%;
      border: 1px solid transparent;
    }

    .event-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(59, 130, 246, 0.25);
    }

    .event-media {
      position: relative;
      height: 170px;
      overflow: hidden;
    }

    .event-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .event-card:hover .event-media img {
      transform: scale(1.04);
    }

    .event-status {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.92);
      color: var(--accent);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .event-status.closed {
      color: var(--text-light);
    }

    .event-body {
      padding: 22px 20px 24px;
    }

    .event-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.5;
    }

    .event-meta {
      display: flex;
      flex-direction: column;
      gap: 6px;
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 14px;
    }

    .event-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .event-meta i {
      color: var(--primary);
      font-size: 12px;
      width: 14px;
    }

    .event-body .tag {
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: #F0F2F5;
      color: var(--text-light);
      font-weight: 500;
    }

    /* ===== 流程 ===== */
    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .flow-step {
      background: #fff;
      border-radius: var(--radius);
      padding: 32px 24px 28px;
      box-shadow: var(--shadow);
      position: relative;
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }

    .flow-step:hover {
      border-color: rgba(59, 130, 246, 0.25);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .flow-num {
      position: absolute;
      top: 14px;
      right: 20px;
      font-size: 40px;
      font-weight: 800;
      color: #EDF1F7;
      line-height: 1;
    }

    .flow-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .flow-step h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-step p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.7;
    }

    /* ===== 数据 ===== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .stat-item {
      background: #fff;
      border-radius: var(--radius);
      padding: 32px 20px;
      text-align: center;
      box-shadow: var(--shadow);
      transition: all 0.3s ease;
    }

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

    .stat-num {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-light);
      margin-top: 8px;
    }

    /* ===== 回顾 ===== */
    .review-list {
      margin-top: 48px;
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .review-item {
      display: flex;
      gap: 40px;
      align-items: center;
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: box-shadow 0.3s ease;
    }

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

    .review-media {
      flex: 1;
      min-height: 260px;
      overflow: hidden;
    }

    .review-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .review-item:hover .review-media img {
      transform: scale(1.02);
    }

    .review-content {
      flex: 1;
      padding: 32px 32px 32px 0;
    }

    .review-content .review-date {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 12px;
    }

    .review-content h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .review-content p {
      font-size: 15px;
      color: var(--text-light);
      line-height: 1.8;
    }

    .review-stat {
      margin-top: 16px;
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .review-stat span {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      background: #EFF5FF;
      padding: 4px 14px;
      border-radius: 999px;
    }

    /* ===== FAQ ===== */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 48px;
    }

    .faq-item {
      background: #fff;
      border-radius: 16px;
      padding: 28px;
      border-left: 4px solid var(--accent);
      box-shadow: var(--shadow);
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-hover);
      border-left-color: var(--primary);
    }

    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 10px;
    }

    .faq-q .faq-num {
      color: var(--accent);
      font-weight: 800;
      flex-shrink: 0;
    }

    .faq-a {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.8;
      padding-left: 24px;
    }

    /* ===== CTA ===== */
    .cat-cta {
      padding-bottom: 96px;
    }

    .cta-box {
      background: linear-gradient(135deg, #EAF2FF 0%, #F5F8FE 100%);
      border-radius: 24px;
      padding: 56px 48px;
      display: flex;
      gap: 48px;
      align-items: center;
      border: 1px solid rgba(59, 130, 246, 0.12);
    }

    .cta-copy {
      flex: 1.2;
    }

    .cta-copy h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .cta-copy p {
      font-size: 15px;
      color: var(--text-light);
      line-height: 1.8;
      margin-bottom: 20px;
      max-width: 440px;
    }

    .cta-form {
      flex: 1;
      background: #fff;
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--shadow);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
      display: block;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 12px 14px;
      font-size: 14px;
      color: var(--text);
      background: #FBFCFE;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
      background: #fff;
    }

    .form-group textarea {
      min-height: 80px;
      resize: vertical;
    }

    .form-tip {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 10px;
      line-height: 1.6;
    }

    .form-msg {
      font-size: 13px;
      margin-top: 12px;
      color: var(--teal);
      background: #E6F9F0;
      border-radius: 8px;
      padding: 8px 12px;
      display: none;
    }

    .cta-contact-line {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-light);
      margin-top: 8px;
    }

    .cta-contact-line i {
      color: var(--primary);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #F8FAFC;
      border-top: 1px solid var(--border);
      padding: 60px 0 24px;
    }

    .footer-top {
      display: flex;
      gap: 48px;
      flex-wrap: wrap;
      padding-bottom: 32px;
      border-bottom: 1px solid var(--border);
    }

    .footer-brand {
      flex: 1.2;
      min-width: 260px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.8;
      max-width: 320px;
    }

    .footer-links {
      flex: 1;
      min-width: 160px;
    }

    .footer-links h4,
    .footer-contact h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 16px;
    }

    .footer-links a {
      display: block;
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 10px;
      transition: color 0.2s ease;
    }

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

    .footer-contact {
      flex: 1;
      min-width: 220px;
    }

    .footer-contact p {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-contact i {
      color: var(--primary);
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      font-size: 13px;
      color: var(--text-light);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .cat-hero h1 {
        font-size: 36px;
      }

      .types-grid,
      .events-grid,
      .flow-grid,
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .review-media {
        min-height: 220px;
      }

      .cta-box {
        flex-direction: column;
        padding: 40px 32px;
      }

      .cta-copy,
      .cta-form {
        width: 100%;
        flex: none;
      }

      .footer-top {
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --space: 64px;
      }

      .cat-hero {
        padding: 48px 0 56px;
      }

      .cat-hero h1 {
        font-size: 30px;
      }

      .hero-media img {
        height: 280px;
      }

      .section-title {
        font-size: 26px;
      }

      .review-item {
        flex-direction: column;
      }

      .review-content {
        padding: 0 24px 28px;
      }

      .review-media {
        width: 100%;
      }

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

      .cta-box {
        padding: 32px 24px;
      }

      .cta-form {
        padding: 24px;
      }

      .flow-num {
        font-size: 32px;
      }
    }

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

      .nav-top {
        padding-top: 14px;
      }

      .brand-text {
        font-size: 18px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 15px;
      }

      .nav-cta .btn {
        padding: 0 14px;
        height: 36px;
        font-size: 13px;
      }

      .cat-hero h1 {
        font-size: 26px;
      }

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

      .hero-points {
        gap: 10px;
        flex-direction: column;
      }

      .hero-actions {
        flex-direction: column;
      }

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

      .types-grid,
      .events-grid,
      .flow-grid,
      .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .faq-item {
        padding: 20px;
      }

      .faq-a {
        padding-left: 0;
      }

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

      .btn {
        width: 100%;
      }

      .footer-top {
        flex-direction: column;
      }

      .site-footer {
        padding-top: 40px;
      }
    }