/* roulang page: index */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #06b6d4;
  --secondary-light: #cffafe;
  --accent: #f59e0b;
  --dark: #0f172a;
  --darker: #020617;
  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-weak: #64748b;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 18px 50px rgba(15, 23, 42, .08);
  --shadow-hover: 0 26px 60px rgba(15, 23, 42, .13);
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
.container { width: min(1200px, 92%); margin-inline: auto; }

/* 导航 */
.site-header { position: sticky; top: 0; z-index: 50; padding: 14px 0 4px; }
.nav-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, .75);
  box-shadow: 0 8px 32px rgba(15, 23, 42, .08);
  border-radius: 60px;
  padding: 10px 14px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 18px;
  color: var(--dark);
  white-space: nowrap;
  letter-spacing: .2px;
}
.logo i { color: var(--primary); font-size: 20px; }
.logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 9px 18px;
  border-radius: 40px;
  font-size: 14.5px;
  font-weight: 500;
  color: #334155;
  transition: background .2s, color .2s, box-shadow .2s;
}
.nav-links a:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-links a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, .28);
}
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 16px;
  transition: background .2s, transform .2s;
}
.menu-toggle:hover { background: var(--primary-light); }
.menu-toggle:focus-visible { outline: 3px solid rgba(37, 99, 235, .4); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  transition: transform .25s, box-shadow .25s, background .25s;
  border: 2px solid transparent;
}
.btn:focus-visible { outline: 3px solid rgba(37, 99, 235, .45); outline-offset: 2px; }
.btn-primary { background: linear-gradient(135deg, #3b82f6, #1d4ed8); color: #fff; box-shadow: 0 10px 30px rgba(37, 99, 235, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(37, 99, 235, .38); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: linear-gradient(135deg, #22d3ee, #0891b2); color: #fff; box-shadow: 0 10px 30px rgba(6, 182, 212, .28); }
.btn-secondary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(6, 182, 212, .34); }
.btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .45); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .22); transform: translateY(-2px); }

/* Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; padding: 150px 0 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-position: center; background-size: cover; z-index: -2; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(2, 6, 23, .92) 0%, rgba(15, 23, 42, .78) 50%, rgba(15, 23, 42, .38) 100%); z-index: -1; }
.hero-content { max-width: 680px; position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
  color: #fff; font-size: 13.5px; font-weight: 500;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 800; color: #fff; line-height: 1.14; margin: 22px 0 18px; letter-spacing: .5px; }
.hero-text { color: #cbd5e1; font-size: 17px; line-height: 1.85; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; margin-top: 58px; flex-wrap: wrap; }
.hero-stats .stat strong { display: block; font-size: 26px; color: #fff; font-weight: 800; letter-spacing: .3px; }
.hero-stats .stat span { font-size: 13.5px; color: #94a3b8; }

/* 板块 */
.section { padding: 92px 0; }
.section-soft { background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%); }
.section-dark { background: var(--darker); }
.section-head { max-width: 720px; margin-bottom: 10px; }
.section-head.text-center { margin: 0 auto 20px; text-align: center; }
.section-head.row-between { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 10px; flex-wrap: wrap; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; background: var(--primary-light); color: var(--primary-dark);
  border-radius: 50px; font-size: 13px; font-weight: 700; letter-spacing: .3px;
}
.section-tag-light { background: rgba(255, 255, 255, .12); color: #93c5fd; border: 1px solid rgba(255, 255, 255, .14); }
.section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.2; margin: 14px 0 8px; }
.section-desc { color: var(--text-weak); font-size: 16px; max-width: 660px; }
.section-dark .section-desc { color: #94a3b8; }
.section-dark .section-title.text-white { color: #fff; }

/* 卡片 */
.card { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 30px; box-shadow: 0 4px 18px rgba(15, 23, 42, .04); transition: transform .25s, box-shadow .25s, border-color .25s; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(37, 99, 235, .18); }
.icon-wrap {
  width: 56px; height: 56px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-size: 22px; margin-bottom: 18px;
  box-shadow: 0 12px 30px rgba(37, 99, 235, .2);
}
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.card p { color: var(--text-weak); font-size: 14.5px; line-height: 1.7; }

/* 分类卡片 */
.cat-card {
  position: relative;
  display: block;
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
  transition: transform .3s, box-shadow .3s;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: 0 22px 54px rgba(0, 0, 0, .3); }
.cat-card img { width: 100%; height: 210px; object-fit: cover; transition: transform .55s ease; }
.cat-card:hover img { transform: scale(1.04); }
.cat-card-body { padding: 28px; }
.cat-card-body h3 { font-size: 19px; font-weight: 700; margin: 14px 0 8px; color: var(--dark); }
.cat-card-body p { color: var(--text-weak); font-size: 14px; line-height: 1.75; }
.cat-card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-weight: 700; color: var(--primary); font-size: 15px; }
.cat-card-link i { transition: transform .25s; }
.cat-card:hover .cat-card-link i { transform: translateX(5px); }

/* 徽章 */
.badge { display: inline-block; padding: 5px 14px; border-radius: 40px; font-size: 12.5px; font-weight: 600; line-height: 1.4; }
.badge-primary { background: var(--primary); color: #fff; }
.badge-secondary { background: var(--secondary); color: #fff; }
.badge-light { background: #fff; color: var(--primary); box-shadow: 0 2px 12px rgba(255,255,255,.25); }

/* 资讯列表 */
.news-panel { background: #fff; border: 1px solid var(--border); border-radius: 28px; padding: 18px 26px; box-shadow: 0 4px 18px rgba(15, 23, 42, .04); }
.news-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px 2px; border-bottom: 1px solid #eef2f7; }
.news-item:last-child { border-bottom: 0; }
.news-cat { flex-shrink: 0; padding: 4px 14px; border-radius: 30px; background: var(--primary-light); color: var(--primary-dark); font-size: 12.5px; font-weight: 700; }
.news-content { flex: 1; min-width: 0; }
.news-title { display: block; font-weight: 700; font-size: 16px; color: var(--text); line-height: 1.5; transition: color .2s; }
.news-title:hover { color: var(--primary); }
.news-content p { color: var(--text-weak); font-size: 14px; margin-top: 4px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-time { color: #94a3b8; font-size: 12.5px; white-space: nowrap; flex-shrink: 0; padding-top: 6px; }
.empty-tip { padding: 60px 20px; text-align: center; color: var(--text-weak); font-size: 15px; }
.aside-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; overflow: hidden; box-shadow: 0 4px 18px rgba(15, 23, 42, .04); transition: transform .25s, box-shadow .25s; }
.aside-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.aside-card img { height: 200px; width: 100%; object-fit: cover; }
.aside-text { padding: 22px; }
.aside-text h3 { font-size: 17px; font-weight: 700; margin: 12px 0 6px; color: var(--dark); }
.aside-text p { color: var(--text-weak); font-size: 13.5px; line-height: 1.7; }
.aside-card.tight { display: flex; gap: 14px; align-items: center; padding: 18px 20px; margin-top: 20px; background: var(--primary-light); border-color: transparent; color: var(--primary-dark); font-size: 14px; }
.aside-card.tight i { font-size: 20px; flex-shrink: 0; }

/* 流程 */
.step-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 28px; box-shadow: 0 4px 16px rgba(15, 23, 42, .04); transition: transform .25s, box-shadow .25s; }
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.step-num {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-weight: 800; font-size: 17px; margin-bottom: 18px;
  box-shadow: 0 10px 26px rgba(37, 99, 235, .2);
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.step-card p { color: var(--text-weak); font-size: 14.5px; line-height: 1.75; }
.process-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  background: var(--dark); border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 28px; padding: 34px 40px; margin-top: 46px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .15);
}
.pstat strong { display: block; font-size: 28px; font-weight: 800; color: #fff; letter-spacing: .3px; }
.pstat span { color: #94a3b8; font-size: 13.5px; }

/* 图文特征 */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 54px 0; border-bottom: 1px solid var(--border); }
.feature-row:first-child { padding-top: 10px; }
.feature-row:last-child { border-bottom: 0; }
.feature-row.reverse .feature-media { order: 2; }
.feature-media img { border-radius: 28px; box-shadow: var(--shadow-lg); height: 340px; width: 100%; object-fit: cover; }
.feature-text .section-tag { margin-bottom: 8px; }
.feature-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin: 16px 0 12px; line-height: 1.25; color: var(--dark); }
.feature-text p { color: var(--text-weak); font-size: 15.5px; line-height: 1.85; }
.feature-list { list-style: none; margin: 22px 0 26px; }
.feature-list li { display: flex; align-items: center; gap: 10px; padding: 5px 0; color: var(--text); font-size: 14.5px; font-weight: 500; }
.feature-list i { color: var(--secondary); font-size: 16px; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 24px 28px; box-shadow: 0 2px 12px rgba(15, 23, 42, .03); transition: box-shadow .25s, border-color .25s; }
.faq-item:hover { border-color: rgba(37, 99, 235, .16); box-shadow: 0 8px 26px rgba(15, 23, 42, .06); }
.faq-item h3 { font-size: 16px; font-weight: 700; color: var(--dark); display: flex; gap: 10px; align-items: flex-start; }
.faq-item h3::before { content: "Q"; flex-shrink: 0; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary-dark); border-radius: 8px; font-size: 12px; font-weight: 800; margin-top: 2px; }
.faq-item p { color: var(--text-weak); font-size: 14px; line-height: 1.8; margin-top: 10px; padding-left: 34px; }

/* CTA */
.cta-section { position: relative; padding: 110px 0; text-align: center; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background-position: center; background-size: cover; z-index: -2; }
.cta-overlay { position: absolute; inset: 0; background: rgba(2, 6, 23, .84); z-index: -1; }
.cta-content h2 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: .5px; }
.cta-content p { color: #cbd5e1; font-size: 16px; max-width: 560px; margin: 16px auto 34px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 页脚 */
.site-footer { background: var(--darker); color: #94a3b8; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 50px; padding-bottom: 44px; }
.footer-logo { color: #fff; font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo i { color: var(--primary); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-links h4, .footer-info h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; letter-spacing: .3px; }
.footer-links a { display: block; padding: 6px 0; color: #94a3b8; font-size: 14px; transition: color .2s, padding-left .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-info p { font-size: 14px; padding: 4px 0; display: flex; align-items: center; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; font-size: 13px; color: #64748b; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

/* 响应式 */
@media (max-width: 1024px) {
  .feature-row { gap: 36px; }
  .feature-row.reverse .feature-media { order: 2; }
  .process-stats { padding: 28px; }
}
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow-hover);
    padding: 14px;
    flex-direction: column;
    gap: 6px;
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links a { text-align: center; padding: 12px 18px; }
  .hero { padding: 130px 0 70px; }
  .process-stats { grid-template-columns: repeat(2, 1fr); pAadding: 26px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .feature-row { grid-template-columns: 1fr; gap: 30px; }
  .feature-row.reverse .feature-media { order: 0; }
  .feature-media img { height: 240px; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-stats { gap: 28px; margin-top: 40px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .process-stats { padding: 22px; }
}
@media (max-width: 520px) {
  .logo { font-size: 14px; gap: 6px; }
  .nav-capsule { padding: 8px 10px; }
  .hero h1 { font-size: 2rem; }
  .hero-text { font-size: 15px; }
  .hero-stats .stat strong { font-size: 20px; }
  .hero-stats .stat span { font-size: 12px; }
  .card { padding: 24px 22px; }
  .news-item { flex-direction: column; gap: 10px; }
  .news-time { padding-top: 0; }
  .section-title { font-size: 1.55rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
            --primary: #0d1b2a;
            --primary-light: #1b263b;
            --accent: #e9b949;
            --accent-dark: #d4a437;
            --bg: #f4f6fa;
            --card-bg: #ffffff;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(13, 27, 42, 0.07);
            --shadow-hover: 0 10px 40px rgba(13, 27, 42, 0.12);
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0 0;
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .5);
            border-radius: 999px;
            padding: 10px 22px;
            box-shadow: 0 6px 30px rgba(13, 27, 42, .08);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            font-weight: 400;
            color: var(--muted);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: .92rem;
            font-weight: 500;
            color: var(--text);
            transition: all .25s ease;
        }
        .nav-links a:hover {
            background: rgba(13, 27, 42, .06);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(13, 27, 42, .2);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
        }
        .article-banner {
            position: relative;
            padding: 84px 0 72px;
            color: #fff;
            background: linear-gradient(135deg, rgba(13, 27, 42, .88), rgba(27, 38, 59, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            overflow: hidden;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(233, 185, 73, .12);
            pointer-events: none;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(233, 185, 73, .18);
            border: 1px solid rgba(233, 185, 73, .4);
            color: #f4d58a;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 20px;
        }
        .article-banner h1 {
            max-width: 860px;
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .25);
        }
        .banner-desc {
            max-width: 720px;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 24px;
        }
        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .article-main-section {
            padding: 48px 0 68px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            align-items: start;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: calc(var(--radius) + 4px);
            border: 1px solid rgba(226, 232, 240, .7);
            box-shadow: var(--shadow);
            padding: 40px 44px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: var(--muted);
            margin-bottom: 32px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--muted);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--accent-dark);
        }
        .breadcrumb i {
            font-size: .65rem;
            color: var(--border);
        }
        .breadcrumb span {
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 280px;
        }
        .article-content {
            font-size: 1.06rem;
            line-height: 1.9;
            color: #2d3a4d;
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--primary);
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.6rem 0 .8rem;
            color: var(--primary);
        }
        .article-content p {
            margin-bottom: 1.4rem;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content a {
            color: #b8860b;
            border-bottom: 1px solid rgba(184, 134, 11, .3);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.4rem 1.4rem;
        }
        .article-content li {
            margin-bottom: .5rem;
        }
        .article-content blockquote {
            background: rgba(233, 185, 73, .08);
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 8px;
            margin: 1.6rem 0;
            color: var(--muted);
            font-style: normal;
        }
        .article-content code {
            background: #f1f5f9;
            padding: 2px 8px;
            border-radius: 5px;
            font-size: .9em;
        }
        .article-footer-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .article-tags span {
            color: var(--muted);
            margin-right: 4px;
        }
        .article-tags a {
            background: #f1f5f9;
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 500;
            transition: all .25s ease;
        }
        .article-tags a:hover {
            background: var(--primary);
            color: #fff;
        }
        .not-found {
            text-align: center;
            padding: 70px 20px;
        }
        .not-found i {
            font-size: 3.6rem;
            color: #cbd5e1;
            margin-bottom: 20px;
        }
        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found p {
            color: var(--muted);
            margin-bottom: 28px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 30px;
            border-radius: 999px;
            font-weight: 600;
            font-size: .94rem;
            box-shadow: 0 6px 20px rgba(13, 27, 42, .18);
            transition: all .3s ease;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(13, 27, 42, .22);
        }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
        }
        .side-widget {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 26px 24px;
        }
        .side-widget h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-widget h3 i {
            color: var(--accent-dark);
        }
        .side-cat {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: #f8fafc;
            margin-bottom: 10px;
            font-size: .92rem;
            font-weight: 500;
            color: var(--text);
            border: 1px solid transparent;
            transition: all .25s ease;
        }
        .side-cat i {
            color: var(--accent-dark);
            font-size: .85rem;
        }
        .side-cat:hover {
            border-color: rgba(233, 185, 73, .4);
            background: rgba(233, 185, 73, .06);
            color: var(--primary);
        }
        .side-post {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 12px 0;
            border-bottom: 1px solid #f1f5f9;
            transition: padding-left .25s ease;
        }
        .side-post:last-child {
            border-bottom: none;
        }
        .side-post:hover {
            padding-left: 6px;
        }
        .side-post-title {
            font-size: .92rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .side-post-date {
            font-size: .78rem;
            color: var(--muted);
        }
        .side-empty {
            font-size: .9rem;
            color: var(--muted);
            padding: 14px 0;
        }
        .related-section {
            padding: 60px 0 70px;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-eyebrow {
            display: inline-block;
            background: rgba(233, 185, 73, .14);
            color: #a07c10;
            padding: 5px 16px;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f1f5f9;
        }
        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover .related-cover img {
            transform: scale(1.05);
        }
        .related-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-cat {
            display: inline-block;
            background: rgba(233, 185, 73, .12);
            color: #a07c10;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: .78rem;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-body p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-date {
            font-size: .8rem;
            color: var(--muted);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        }
        .cta-card {
            text-align: center;
            color: #fff;
        }
        .cta-card h2 {
            font-size: clamp(1.7rem, 3.4vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-card p {
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1rem;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 34px;
            border-radius: 999px;
            font-weight: 600;
            font-size: .95rem;
            transition: all .3s ease;
        }
        .btn-cta-light {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 6px 24px rgba(233, 185, 73, .3);
        }
        .btn-cta-light:hover {
            background: #f0c85a;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(233, 185, 73, .4);
        }
        .btn-cta-ghost {
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }
        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-2px);
        }
        .site-footer {
            background: #0a1420;
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 44px;
        }
        .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: .92rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-info h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links a {
            display: block;
            padding: 5px 0;
            font-size: .9rem;
            color: rgba(255, 255, 255, .65);
            transition: color .25s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-info p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .9rem;
            padding: 4px 0;
        }
        .footer-info i {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 28px;
            }
            .article-card {
                padding: 30px 28px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 74px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 20px;
                box-shadow: 0 12px 40px rgba(13, 27, 42, .16);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: all .3s ease;
                z-index: 99;
            }
            .nav-links.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-links a {
                padding: 12px 18px;
                justify-content: center;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .article-banner {
                padding: 60px 0 50px;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .nav-capsule {
                padding: 8px 14px;
                border-radius: 30px;
            }
            .logo {
                font-size: .95rem;
            }
            .logo span {
                display: none;
            }
            .article-card {
                padding: 22px 18px;
                border-radius: 14px;
            }
            .article-content {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .banner-meta {
                gap: 12px;
                font-size: .82rem;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #f97316;
  --primary-600: #ea580c;
  --primary-100: #ffedd5;
  --secondary: #2563eb;
  --secondary-100: #dbeafe;
  --accent: #fbbf24;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --radius: 1rem;
  --radius-sm: 0.625rem;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 50px rgba(15, 23, 42, 0.14);
  --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  transition: all .3s ease;
  border: 1px solid transparent;
  font-size: 15px;
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
}
.btn-primary:hover {
  background: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(249, 115, 22, 0.4);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 30px rgba(249, 115, 22, 0.35);
}
.btn-light:hover {
  background: #fff7ed;
  transform: translateY(-2px);
}
.btn-dark {
  background: rgba(15, 23, 42, 0.6);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}
.btn-dark:hover {
  background: var(--ink);
  transform: translateY(-2px);
}
.btn:active {
  transform: scale(0.98);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(6px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 0 0;
}
.nav-capsule {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 60px;
  padding: 10px 14px 10px 20px;
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.1);
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.logo i {
  color: var(--primary);
  font-size: 20px;
  transform: translateY(1px);
}
.logo span {
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
  margin-left: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all .3s ease;
  white-space: nowrap;
}
.nav-links a:hover {
  background: #f1f5f9;
  color: var(--ink);
}
.nav-links a.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--ink);
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  justify-content: center;
  align-items: center;
  transition: all .3s;
}
.menu-toggle:hover {
  background: #f1f5f9;
}

.category-banner {
  position: relative;
  padding: 130px 0 90px;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.category-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(2, 6, 23, 0.9) 0%, rgba(15, 23, 42, 0.68) 55%, rgba(37, 99, 235, 0.28) 100%);
}
.category-banner .container {
  position: relative;
  z-index: 2;
}
.banner-title {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.2;
  font-weight: 800;
  color: #fff;
  margin-top: 18px;
  letter-spacing: 0.5px;
}
.banner-desc {
  max-width: 620px;
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}
.hero-metric {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
}

.section {
  padding: 88px 0;
}
.section-alt {
  background: var(--surface);
}
.section-label {
  display: inline-block;
  color: var(--primary);
  background: var(--primary-100);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.section-title {
  font-size: clamp(26px, 3vw, 38px);
  color: var(--ink);
  font-weight: 700;
  margin-top: 14px;
  line-height: 1.3;
}
.section-subtitle {
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
  max-width: 720px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s ease;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(249, 115, 22, 0.25);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.icon-orange {
  background: var(--primary-100);
  color: var(--primary-600);
}
.icon-blue {
  background: var(--secondary-100);
  color: var(--secondary);
}
.icon-amber {
  background: #fef3c7;
  color: #d97706;
}

.step-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--border);
}
.step-item:last-child {
  border-bottom: none;
}
.step-num {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.32);
}

.cover-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.method-card {
  text-align: center;
}
.method-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 20px;
  background: linear-gradient(135deg, #fff7ed, var(--primary-100));
  border: 1px solid #fed7aa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-600);
  transition: transform .3s ease;
}
.method-card:hover .method-icon {
  transform: scale(1.06) rotate(-5deg);
}

.stats-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.15);
  filter: blur(60px);
  top: -120px;
  right: -80px;
}
.stat-number {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  margin-top: 6px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.faq-item.active {
  box-shadow: var(--shadow);
  border-color: rgba(249, 115, 22, 0.3);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: background .3s;
}
.faq-question:hover {
  background: #fffbf5;
}
.faq-question .fa-chevron-down {
  transition: transform .3s ease;
  color: var(--muted);
  flex: 0 0 auto;
}
.faq-item.active .fa-chevron-down {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}
.faq-item.active .faq-answer {
  display: block;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  color: var(--text);
  font-size: 15px;
}
.check-list li i {
  color: var(--primary);
  margin-top: 5px;
}

.cta-section {
  background: linear-gradient(120deg, #f97316, #f59e0b);
  padding: 84px 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}
.cta-section .container {
  position: relative;
  z-index: 10;
}
.cta-section h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
}
.cta-section p {
  max-width: 600px;
  margin: 14px auto 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
}

.site-footer {
  background: var(--ink);
  color: #94a3b8;
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
}
.footer-logo {
  font-size: 24px;
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo i {
  color: var(--primary);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 10px;
  max-width: 360px;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 14px;
  font-weight: 600;
}
.site-footer a {
  color: #94a3b8;
  transition: all .3s ease;
  display: block;
  padding: 6px 0;
  font-size: 15px;
}
.site-footer a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-info p {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 15px;
}
.footer-info p i {
  color: var(--primary);
  width: 18px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
}

@media (max-width: 1024px) {
  .section {
    padding: 72px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    border: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    text-align: center;
    padding: 12px 16px;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .category-banner {
    padding: 110px 0 72px;
  }
  .section {
    padding: 60px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .nav-capsule {
    padding: 8px 8px 8px 14px;
  }
  .logo {
    font-size: 18px;
  }
  .logo span {
    font-size: 13px;
  }
  .category-banner {
    padding: 96px 0 60px;
  }
  .section {
    padding: 48px 0;
  }
  .card {
    padding: 22px;
  }
  .btn {
    width: 100%;
  }
  .banner-desc {
    font-size: 15px;
  }
  .stats-section {
    padding: 48px 0;
  }
  .cta-section {
    padding: 60px 0;
  }
}

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #f97316;
            --accent-light: #fff7ed;
            --dark: #0f172a;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --bg-light: #f8fafc;
            --radius: 16px;
            --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
            --shadow-lg: 0 20px 50px rgba(2, 6, 23, 0.14);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0 6px;
            background: transparent;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(226, 232, 240, 0.7);
            border-radius: 60px;
            padding: 10px 20px 10px 24px;
            box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
            transition: box-shadow .3s ease;
        }

        .nav-capsule:hover {
            box-shadow: 0 12px 36px rgba(15, 23, 42, 0.1);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .logo span {
            color: var(--primary);
            font-weight: 600;
        }

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

        .nav-links a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: .92rem;
            font-weight: 600;
            color: var(--text);
            transition: all .25s ease;
        }

        .nav-links a:hover {
            background: #eff6ff;
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--dark);
            color: #fff;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            border-radius: 50%;
            background: var(--dark);
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 120px 0 100px;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(15, 23, 42, 0.92) 30%, rgba(37, 99, 235, 0.35) 75%, rgba(15, 23, 42, 0.45));
            border-radius: 0;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            padding: 7px 18px;
            border-radius: 40px;
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: 24px;
            color: #e0f2fe;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .page-hero h1 em {
            font-style: normal;
            color: #fbbf24;
        }

        .hero-sub {
            max-width: 640px;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 36px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 50px;
            font-size: .96rem;
            box-shadow: 0 10px 25px rgba(249, 115, 22, 0.35);
            transition: all .3s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(249, 115, 22, 0.4);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: .96rem;
            backdrop-filter: blur(6px);
            transition: all .3s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 26px;
            border-radius: 50px;
            font-size: .93rem;
            transition: all .3s ease;
            background: transparent;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
            transform: translateY(-2px);
        }

        /* ===== Section ===== */
        .section-pad {
            padding: 90px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .08em;
            color: var(--primary);
            text-transform: uppercase;
            background: #eff6ff;
            border-radius: 30px;
            padding: 6px 18px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

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

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 28px;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s ease;
        }

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

        .feature-card:hover::after {
            opacity: 1;
        }

        .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 22px;
            background: #eff6ff;
            color: var(--primary);
        }

        .feature-card:nth-child(2) .card-icon {
            background: var(--accent-light);
            color: var(--accent);
        }

        .feature-card:nth-child(3) .card-icon {
            background: #ecfeff;
            color: #0891b2;
        }

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

        .feature-card p {
            color: var(--muted);
            font-size: .94rem;
            line-height: 1.7;
        }

        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: .88rem;
            font-weight: 600;
            color: var(--primary);
        }

        .card-more i {
            transition: transform .3s ease;
        }

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

        /* ===== Split ===== */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .split-content h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .split-content>p {
            color: var(--muted);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .check-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .check-list li i {
            color: #059669;
            background: #ecfdf5;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .8rem;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .check-list strong {
            display: block;
            font-size: .98rem;
            color: var(--dark);
        }

        .check-list span {
            font-size: .9rem;
            color: var(--muted);
        }

        .split-media {
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.35));
            border-radius: 22px;
        }

        /* ===== Stats ===== */
        .stats-wrap {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
            padding: 70px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-num {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-num span {
            font-size: 1.6rem;
            color: #fbbf24;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: .95rem;
            font-weight: 500;
        }

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

        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            position: relative;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--dark);
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: .89rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== List ===== */
        .notice-list {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .notice-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 24px;
            transition: all .3s ease;
        }

        .notice-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateX(6px);
        }

        .notice-date {
            font-size: .85rem;
            color: var(--muted);
            background: var(--bg-light);
            padding: 6px 14px;
            border-radius: 20px;
            white-space: nowrap;
            font-weight: 600;
        }

        .notice-item h3 {
            flex: 1;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
        }

        .notice-tag {
            font-size: .78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            background: #eff6ff;
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            padding: 0;
            overflow: hidden;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

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

        .faq-q {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 26px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            font-family: inherit;
            transition: color .2s ease;
        }

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

        .faq-q i {
            font-size: .85rem;
            color: var(--muted);
            transition: transform .3s ease;
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 26px;
        }

        .faq-item.open .faq-a {
            max-height: 200px;
            padding-bottom: 20px;
        }

        .faq-a p {
            color: var(--muted);
            font-size: .93rem;
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: linear-gradient(120deg, #172554, #1e3a8a 55%, #2563eb);
            border-radius: 28px;
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "\f11b";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 9rem;
            position: absolute;
            right: -20px;
            bottom: -30px;
            color: rgba(255, 255, 255, 0.06);
        }

        .cta-band h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 55px 0 0;
            font-size: .92rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo i {
            color: var(--accent);
        }

        .footer-brand p {
            color: #94a3b8;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-links h4,
        .footer-info h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-links a {
            display: block;
            margin-bottom: 12px;
            color: #94a3b8;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-info p {
            margin-bottom: 12px;
            color: #94a3b8;
        }

        .footer-info p i {
            margin-right: 8px;
            color: var(--accent);
            width: 18px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            padding: 24px 0;
            color: #64748b;
            font-size: .84rem;
        }

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

            .card-grid {
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 64px 0;
            }

            .nav-capsule {
                padding: 8px 14px 8px 18px;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(16px);
                border-radius: 22px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                gap: 8px;
                z-index: 99;
            }

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

            .nav-links a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 12px;
                font-size: .98rem;
            }

            .nav-links a.active {
                background: var(--dark);
            }

            .menu-toggle {
                display: flex;
            }

            .page-hero {
                padding: 90px 0 70px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

            .split-media img {
                min-height: 260px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .notice-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .notice-item h3 {
                flex-basis: 100%;
                order: 2;
            }

            .cta-band {
                padding: 44px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

        @media (max-width: 520px) {
            .container {
                width: 94%;
            }

            .logo {
                font-size: 1.05rem;
            }

            .logo i {
                font-size: 1.2rem;
            }

            .section-head h2 {
                font-size: 1.55rem;
            }

            .card-grid {
                gap: 14px;
            }

            .feature-card {
                padding: 26px 20px;
            }

            .cta-band h2 {
                font-size: 1.6rem;
            }
        }