/* roulang page: index */
:root {
  --primary: #1d4ed8;
  --primary-dark: #153ca3;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #0f172a;
  --text-muted: #5b6b82;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 16px 40px rgba(15,23,42,0.12);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-top { border-bottom: 1px solid rgba(226,232,240,0.6); }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--text); letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
.logo-dot { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }
.search-box {
  display: flex;
  align-items: center;
  background: #f1f5f9;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 6px 0 14px;
  height: 38px;
  width: 280px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29,78,216,0.12); background: #fff; }
.search-box input { border: none; background: transparent; outline: none; font-size: 14px; color: var(--text); width: 100%; }
.search-box i { color: var(--text-muted); padding: 0 6px; }
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 18px;
  transition: background .2s, border-color .2s;
}
.mobile-menu-btn:hover { border-color: var(--primary); color: var(--primary); }
.header-nav-row { background: rgba(255,255,255,0.6); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 48px; gap: 16px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  transition: background .2s, color .2s;
}
.nav-link:hover { background: rgba(29,78,216,0.08); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link.active:hover { background: var(--primary-dark); }
.nav-trends { display: flex; align-items: center; gap: 8px; }
.trend-label { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.trend-item {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.trend-item:hover { background: #e2e8f0; color: var(--primary); }

.hero {
  position: relative;
  padding: 96px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(2,6,23,0.88) 0%, rgba(15,23,42,0.55) 55%, rgba(30,58,138,0.35) 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
}
.hero-inner h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 20px 0 16px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.2);
}
.hero-inner p { font-size: 1.06rem; line-height: 1.75; color: rgba(255,255,255,0.9); margin-bottom: 28px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.16);
  max-width: 540px;
}
.stat-item .stat-num { font-size: 1.75rem; font-weight: 800; display: block; }
.stat-item .stat-label { font-size: 13px; color: rgba(255,255,255,0.75); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s;
  border: none;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 16px rgba(249,115,22,0.35); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,0.4); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.28); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(29,78,216,0.5); outline-offset: 2px; }

.section { padding: 84px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-tag {
  display: inline-block;
  background: rgba(29,78,216,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.25; color: var(--text); }
.section-head .section-sub { color: var(--text-muted); font-size: 1rem; line-height: 1.7; margin-top: 12px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.feature-card { padding: 32px 28px; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  background: rgba(29,78,216,0.1);
  color: var(--primary);
}
.feature-card:nth-child(2) .feature-icon { background: rgba(249,115,22,0.12); color: var(--accent); }
.feature-card:nth-child(3) .feature-icon { background: rgba(16,185,129,0.12); color: #10b981; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

.category-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.category-card img { width: 100%; height: 200px; object-fit: cover; }
.category-body { padding: 24px; }
.category-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.category-body p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.65; margin-bottom: 16px; }
.category-link { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.category-link:hover { color: var(--accent); }
.category-link i { transition: transform .2s; }
.category-link:hover i { transform: translateX(4px); }

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card:hover h3 a { color: var(--primary); }
.post-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
.post-card h3 { font-size: 1.05rem; line-height: 1.5; font-weight: 700; }
.post-card h3 a { transition: color .2s; }
.post-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-link { margin-top: auto; color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.post-link:hover { color: var(--accent); }
.post-link i { transition: transform .2s; }
.post-link:hover i { transform: translateX(4px); }
.badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: rgba(16,185,129,0.1); color: #059669; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 48px 24px; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius-md); color: var(--text-muted); }

.steps-section { background: #0f172a; color: #fff; }
.steps-section .section-tag { background: rgba(255,255,255,0.1); color: #93c5fd; }
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-sub { color: rgba(255,255,255,0.7); }
.step-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  backdrop-filter: blur(8px);
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 18px;
}
.step-card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
.step-card p { color: rgba(255,255,255,0.72); font-size: 0.92rem; line-height: 1.65; }

.pick-card { border-radius: var(--radius-md); overflow: hidden; background: #fff; border: 1px solid var(--border); transition: transform .25s, box-shadow .25s; }
.pick-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pick-img { position: relative; overflow: hidden; height: 180px; }
.pick-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.pick-card:hover .pick-img img { transform: scale(1.05); }
.pick-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.92);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.pick-content { padding: 20px; }
.pick-content h3 { font-size: 1rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.pick-content h3 a:hover { color: var(--primary); }
.pick-content p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 12px; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
}
.faq-question i { color: var(--text-muted); transition: transform .25s; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 22px 20px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

.cta-box {
  position: relative;
  border-radius: 28px;
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  z-index: 0;
}
.cta-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(2,6,23,0.55);
  z-index: 0;
}
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 12px; }
.cta-box p { color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 28px; }
.subscribe-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; }
.subscribe-form input {
  flex: 1;
  padding: 13px 20px;
  border-radius: 999px;
  border: none;
  outline: none;
  font-size: 14px;
  background: rgba(255,255,255,0.94);
  color: var(--text);
}
.subscribe-form input:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.35); }
.subscribe-form .btn { background: var(--accent); color: #fff; }
.subscribe-form .btn:hover { background: var(--accent-dark); }

.site-footer { background: #0f172a; color: rgba(255,255,255,0.72); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding: 64px 0 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
.footer-links h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-links a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255,255,255,0.65); transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .search-box { width: 220px; }
  .nav-trends { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 768px) {
  .header-top-inner { height: 60px; }
  .search-box { width: 190px; }
  .mobile-menu-btn { display: flex; }
  .header-nav-row { display: none; }
  .header-nav-row.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav-inner { flex-direction: column; align-items: stretch; padding: 12px 0; height: auto; gap: 8px; }
  .nav-links { flex-direction: column; gap: 2px; }
  .nav-link { display: block; padding: 12px 16px; border-radius: 12px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 64px 0; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-item .stat-num { font-size: 1.35rem; }
  .cta-box { padding: 44px 24px; }
  .subscribe-form { flex-direction: column; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 40px 0 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .header-top-inner { gap: 8px; }
  .search-box { width: 150px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .section-head { margin-bottom: 32px; }
  .post-card { padding: 20px; }
}

/* roulang page: article */
:root{
--brand:#0e7c66;--brand-dark:#0a5d4c;--brand-light:#d1fae5;--accent:#f59e0b;--bg:#f8fafc;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--radius:16px;--shadow:0 4px 24px rgba(2,44,34,.08);--shadow-lg:0 12px 40px rgba(2,44,34,.14);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.8);box-shadow:0 2px 20px rgba(2,44,34,.05)}
.header-wrap{display:flex;flex-direction:column}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{display:flex;align-items:center;gap:8px;font-size:1.5rem;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);display:inline-block;flex-shrink:0}
.header-actions{display:flex;align-items:center;gap:12px}
.header-search{display:flex;align-items:center;background:#f1f5f9;border:1px solid transparent;border-radius:999px;padding:0 6px 0 14px;transition:all .2s}
.header-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(16,185,129,.15)}
.header-search input{border:none;background:transparent;outline:none;font-size:.875rem;color:var(--text);width:180px;padding:8px 0}
.header-search button{background:var(--brand);color:#fff;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.header-search button:hover{background:var(--brand-dark)}
.menu-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--text);cursor:pointer;padding:8px}
.header-nav-wrap{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f1f5f9;padding:8px 0;gap:12px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{display:block;padding:10px 16px;font-size:.925rem;font-weight:600;color:#475569;border-radius:10px;transition:all .2s}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.active{color:var(--brand);background:var(--brand-light);font-weight:700}
.header-trends{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted)}
.header-trends span{display:flex;align-items:center;gap:4px;color:var(--accent);font-weight:600}
.header-trends a{color:var(--muted);padding:4px 8px;background:#f1f5f9;border-radius:6px;transition:all .2s}
.header-trends a:hover{color:var(--brand);background:var(--brand-light)}
.article-banner{background-size:cover;background-position:center;position:relative;padding:70px 0 60px}
.article-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(2,44,34,.9),rgba(16,185,129,.65));z-index:1}
.article-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:rgba(255,255,255,.8);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:.65rem}
.article-banner-title{font-size:2.1rem;font-weight:800;color:#fff;line-height:1.35;max-width:820px;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.2)}
.article-banner-meta{display:flex;align-items:center;gap:16px;font-size:.875rem;color:rgba(255,255,255,.85);flex-wrap:wrap}
.article-banner-meta .meta-item{display:flex;align-items:center;gap:6px}
.article-content-section{padding:50px 0 30px}
.article-grid{display:grid;grid-template-columns:1fr 340px;gap:40px}
.article-body{background:#fff;border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow);border:1px solid var(--border)}
.article-body img{border-radius:12px;margin:20px 0;box-shadow:0 4px 16px rgba(2,44,34,.1)}
.article-body h2{font-size:1.5rem;font-weight:700;color:#1e293b;margin:32px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--brand-light)}
.article-body h3{font-size:1.2rem;font-weight:700;color:#334155;margin:24px 0 10px}
.article-body p{margin-bottom:16px;font-size:1.05rem;line-height:1.85;color:#334155}
.article-body ul,.article-body ol{margin:0 0 20px 0;padding-left:24px;color:#334155}
.article-body li{margin-bottom:8px;line-height:1.75}
.article-body blockquote{border-left:4px solid var(--brand);background:#f0fdf4;padding:16px 20px;border-radius:0 12px 12px 0;margin:24px 0;color:#334155}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body hr{border:none;border-top:1px solid var(--border);margin:30px 0}
.article-footer-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--border)}
.article-footer-tags .tag{background:#f1f5f9;color:#475569;padding:5px 12px;border-radius:999px;font-size:.8rem;transition:all .2s}
.article-footer-tags .tag:hover{background:var(--brand-light);color:var(--brand)}
.article-share{display:flex;align-items:center;gap:8px;margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}
.article-share .share-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#f1f5f9;color:#475569;transition:all .2s}
.article-share .share-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.sidebar{display:flex;flex-direction:column;gap:24px}
.sidebar-card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--border)}
.sidebar-card h3{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.3}
.sidebar-list{list-style:none}
.sidebar-list li{border-bottom:1px solid #f1f5f9;padding:11px 0}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:#475569;line-height:1.5}
.sidebar-list a:hover{color:var(--brand)}
.sidebar-list a i{font-size:.7rem;margin-top:6px;color:var(--brand);flex-shrink:0}
.sidebar-cats{display:flex;flex-direction:column;gap:6px}
.sidebar-cats a{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#f8fafc;border-radius:10px;color:#475569;font-size:.9rem;font-weight:500;transition:all .2s}
.sidebar-cats a:hover{background:var(--brand-light);color:var(--brand)}
.sidebar-cats a i{font-size:.7rem}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:8px}
.sidebar-tags a{background:#f1f5f9;color:#475569;padding:5px 12px;border-radius:999px;font-size:.78rem;transition:all .2s}
.sidebar-tags a:hover{background:var(--brand);color:#fff}
.not-found-card{background:#fff;border-radius:var(--radius);padding:80px 40px;text-align:center;box-shadow:var(--shadow)}
.not-found-card h2{font-size:2rem;color:var(--text);margin-bottom:16px}
.not-found-card p{color:var(--muted);margin-bottom:24px}
.related-section{padding:50px 0}
.related-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.related-header h2{font-size:1.6rem;font-weight:800;color:var(--text)}
.related-header h2 span{color:var(--brand)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:all .3s}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-card .thumb{position:relative;height:190px;overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .thumb img{transform:scale(1.05)}
.related-card .info{padding:20px}
.related-card .info h3{font-size:1rem;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px}
.related-card .info h3 a:hover{color:var(--brand)}
.related-card .info p{font-size:.85rem;color:var(--muted);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .meta{font-size:.78rem;color:#94a3b8;display:flex;gap:12px}
.cta-band{background:linear-gradient(135deg,#064e3b,#0e7c66);padding:60px 0;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;top:-40%;right:-10%;width:400px;height:400px;background:rgba(245,158,11,.12);border-radius:50%}
.cta-band .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 400px;gap:40px;align-items:center}
.cta-text h2{color:#fff;font-size:1.8rem;font-weight:800;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.8);font-size:.95rem}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.12);padding:10px;border-radius:999px;backdrop-filter:blur(4px)}
.cta-form input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:.9rem;padding:8px 14px}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form button{background:var(--accent);border:none;color:#1e293b;font-weight:700;padding:10px 22px;border-radius:999px;cursor:pointer;font-size:.9rem;transition:background .2s}
.cta-form button:hover{background:#fbbf24}
.faq-section{padding:60px 0}
.faq-header{text-align:center;margin-bottom:40px}
.faq-header h2{font-size:1.8rem;font-weight:800;color:var(--text)}
.faq-header p{color:var(--muted);margin-top:6px}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-weight:600;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand);transition:transform .2s;font-size:.85rem}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item .faq-body{padding:0 22px 18px;color:var(--muted);font-size:.9rem;line-height:1.7}
.site-footer{background:#064e3b;color:rgba(255,255,255,.8);padding:50px 0 0;font-size:.9rem}
.footer-main{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;padding-bottom:30px}
.footer-brand .logo{color:#fff;font-size:1.3rem;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.footer-brand .logo .logo-dot{background:var(--accent)}
.footer-brand p{color:rgba(255,255,255,.65);line-height:1.7;max-width:320px}
.footer-links h4{color:#fff;font-size:1rem;margin-bottom:14px;font-weight:700}
.footer-links a{display:block;color:rgba(255,255,255,.65);padding:5px 0;transition:all .2s}
.footer-links a:hover{color:var(--accent);padding-left:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;display:flex;justify-content:space-between;font-size:.8rem;color:rgba(255,255,255,.5)}
@media(max-width:1024px){
.article-grid{grid-template-columns:1fr}
.related-grid{grid-template-columns:repeat(2,1fr)}
.cta-band .container{grid-template-columns:1fr}
}
@media(max-width:768px){
.header-top{padding:10px 0}
.header-search input{width:120px}
.header-search button{width:28px;height:28px}
.menu-toggle{display:block}
.nav-links{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:14px 20px;box-shadow:0 16px 30px rgba(2,44,34,.12);border-top:1px solid var(--border)}
.nav-links.open{display:flex}
.nav-links .nav-link{width:100%;padding:12px 14px}
.header-nav-wrap{flex-wrap:wrap;padding:6px 0}
.header-trends{display:none}
.article-banner{padding:44px 0 38px}
.article-banner-title{font-size:1.4rem}
.article-body{padding:24px 20px}
.article-grid{gap:24px}
.related-grid{grid-template-columns:1fr}
.footer-main{grid-template-columns:1fr;gap:24px}
.footer-bottom{flex-direction:column;gap:6px;align-items:center}
}
@media(max-width:520px){
.container{padding:0 16px}
.header-search{display:none}
.article-banner-title{font-size:1.2rem}
.article-banner-meta{gap:10px;font-size:.8rem}
.article-body h2{font-size:1.25rem}
.cta-form{flex-direction:column;border-radius:16px}
.cta-form input{text-align:center}
.cta-form button{width:100%}
}

/* roulang page: category1 */
:root {
    --brand: #0f2b46;
    --brand-dark: #0a1d2e;
    --accent: #f25d23;
    --accent-dark: #d94d15;
    --bg: #f6f8fb;
    --text: #0b1a2a;
    --text-muted: #54657a;
    --border: #e5eaf0;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --shadow-card: 0 6px 20px rgba(15, 43, 70, 0.08);
    --shadow-hover: 0 14px 36px rgba(15, 43, 70, 0.14);
    --shadow-header: 0 4px 24px rgba(15, 43, 70, 0.07);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

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

  /* ---------- Header ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-header);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.45rem;
    color: var(--brand);
    white-space: nowrap;
    letter-spacing: -0.02em;
  }

  .logo-dot {
    width: 12px;
    height: 12px;
    border-radius: 9999px;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(242, 93, 35, 0.2);
  }

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

  .nav-link {
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.22s ease;
  }

  .nav-link:hover {
    color: var(--brand);
    background: rgba(15, 43, 70, 0.06);
  }

  .nav-link.active {
    color: #fff;
    background: var(--brand);
    box-shadow: 0 4px 12px rgba(15, 43, 70, 0.24);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 9999px;
    padding: 7px 14px;
    transition: all 0.22s ease;
  }

  .search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(242, 93, 35, 0.12);
  }

  .search-box input {
    border: none;
    background: transparent;
    font-size: 0.88rem;
    width: 150px;
    color: var(--text);
  }

  .search-box input::placeholder {
    color: #94a3b8;
  }

  .nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .nav-toggle:hover {
    border-color: var(--brand);
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    position: relative;
    transition: all 0.25s ease;
  }

  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: all 0.25s ease;
  }

  .nav-toggle span::before {
    top: -6px;
  }

  .nav-toggle span::after {
    top: 6px;
  }

  .nav-toggle.open span {
    background: transparent;
  }

  .nav-toggle.open span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle.open span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  /* ---------- Breadcrumb ---------- */
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease;
  }

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

  .breadcrumb span {
    opacity: 0.5;
  }

  /* ---------- Hero ---------- */
  .category-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 100px 0 90px;
    color: #fff;
    isolation: isolate;
  }

  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 29, 46, 0.92) 0%, rgba(15, 43, 70, 0.75) 60%, rgba(10, 29, 46, 0.35) 100%);
    z-index: -1;
  }

  .category-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
  }

  .category-hero h1 .hero-dot {
    color: var(--accent);
  }

  .category-hero p {
    font-size: 1.1rem;
    max-width: 660px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 32px;
  }

  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .hero-tags .tag {
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 7px 16px;
    border-radius: 9999px;
    font-size: 0.86rem;
    font-weight: 500;
    color: #fff;
    transition: all 0.22s ease;
  }

  .hero-tags .tag:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
  }

  /* ---------- Section ---------- */
  .section {
    padding: 72px 0;
  }

  .section-alt {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 36px;
  }

  .section-head h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    position: relative;
    padding-left: 18px;
  }

  .section-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 28px;
    border-radius: 6px;
    background: var(--accent);
  }

  .section-head .section-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
  }

  .section-head .section-more:hover {
    color: var(--accent);
    gap: 10px;
  }

  /* ---------- Tag filter ---------- */
  .filter-bar {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 18px 24px;
    margin-top: -34px;
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }

  .filter-bar .filter-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand);
    margin-right: 4px;
  }

  .filter-tag {
    padding: 7px 16px;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.22s ease;
  }

  .filter-tag:hover {
    color: var(--brand);
    border-color: var(--brand);
    background: rgba(15, 43, 70, 0.05);
  }

  .filter-tag.active {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    box-shadow: 0 4px 12px rgba(15, 43, 70, 0.24);
  }

  /* ---------- News Card ---------- */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.32s ease;
    box-shadow: 0 2px 10px rgba(15, 43, 70, 0.05);
    display: flex;
    flex-direction: column;
  }

  .news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(15, 43, 70, 0.12);
  }

  .news-card .card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

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

  .news-card:hover .card-media img {
    transform: scale(1.05);
  }

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

  .card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .badge-brand {
    background: rgba(15, 43, 70, 0.08);
    color: var(--brand);
  }

  .badge-accent {
    background: rgba(242, 93, 35, 0.12);
    color: var(--accent-dark);
  }

  .card-date {
    font-size: 0.78rem;
    color: #94a3b8;
  }

  .news-card .card-title {
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
  }

  .news-card:hover .card-title {
    color: var(--brand);
  }

  .news-card .card-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .card-link {
    margin-top: auto;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
  }

  .card-link:hover {
    gap: 10px;
  }

  /* ---------- Feature ---------- */
  .feature-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 360px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    isolation: isolate;
  }

  .feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(10, 29, 46, 0.95) 0%, rgba(15, 43, 70, 0.7) 55%, rgba(15, 43, 70, 0.2) 100%);
    z-index: -1;
  }

  .feature-content {
    padding: 56px;
    max-width: 620px;
    color: #fff;
  }

  .feature-content .badge {
    background: var(--accent);
    color: #fff;
    font-size: 0.78rem;
    padding: 6px 16px;
    margin-bottom: 20px;
    display: inline-flex;
  }

  .feature-content h2 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }

  .feature-content p {
    font-size: 0.98rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 9999px;
    font-size: 0.92rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.24s ease;
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 18px rgba(242, 93, 35, 0.35);
  }

  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(242, 93, 35, 0.42);
  }

  .btn-light {
    background: #fff;
    color: var(--brand);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  }

  .btn-light:hover {
    background: var(--brand);
    color: #fff;
    transform: translateY(-2px);
  }

  /* ---------- Stats ---------- */
  .stats-section {
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
    padding: 80px 0;
    color: #fff;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
  }

  .stat-item {
    padding: 8px 12px;
  }

  .stat-num {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: block;
    line-height: 1.2;
    color: #fff;
  }

  .stat-num em {
    font-style: normal;
    color: var(--accent);
  }

  .stat-label {
    margin-top: 8px;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
  }

  /* ---------- Hot List ---------- */
  .hot-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .hot-list {
    counter-reset: hot;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .hot-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 12px;
    border-radius: 16px;
    transition: background 0.22s ease;
    counter-increment: hot;
  }

  .hot-item:hover {
    background: var(--bg);
  }

  .hot-item .hot-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: #d3dde7;
    min-width: 48px;
    transition: color 0.22s ease;
  }

  .hot-item:hover .hot-num {
    color: var(--accent);
  }

  .hot-item .hot-body {
    flex: 1;
    min-width: 0;
  }

  .hot-item .hot-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    transition: color 0.2s ease;
  }

  .hot-item:hover .hot-title {
    color: var(--brand);
  }

  .hot-item .hot-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .hot-item .hot-read {
    font-size: 0.82rem;
    color: #94a3b8;
    white-space: nowrap;
  }

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

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.25s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-card);
    border-color: rgba(15, 43, 70, 0.15);
    transform: translateY(-3px);
  }

  .faq-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
  }

  .faq-item h3 .q-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(242, 93, 35, 0.1);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
  }

  .faq-item p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-left: 38px;
  }

  /* ---------- CTA ---------- */
  .cta-section {
    padding: 80px 0;
  }

  .cta-card {
    background: linear-gradient(120deg, var(--brand) 0%, var(--brand-dark) 100%);
    border-radius: 2rem;
    padding: 60px 56px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }

  .cta-card::after {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(242, 93, 35, 0.2);
    z-index: 0;
  }

  .cta-card::before {
    content: "";
    position: absolute;
    right: 60px;
    bottom: -80px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    z-index: 0;
  }

  .cta-content {
    position: relative;
    z-index: 1;
    flex: 1;
    min-width: 260px;
  }

  .cta-content h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
  }

  .cta-content p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.98rem;
  }

  .cta-form {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    min-width: 300px;
  }

  .cta-form input {
    flex: 1;
    min-width: 220px;
    padding: 14px 20px;
    border-radius: 9999px;
    border: none;
    font-size: 0.92rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    transition: all 0.25s ease;
  }

  .cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }

  .cta-form input:focus {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(242, 93, 35, 0.2);
  }

  .cta-form .btn-accent {
    white-space: nowrap;
  }

  /* ---------- Footer ---------- */
  .site-footer {
    background: var(--brand-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
  }

  .site-footer .container {
    max-width: 1240px;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-brand .logo {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 340px;
  }

  .footer-links h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .footer-links a {
    display: block;
    padding: 5px 0;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    transition: all 0.2s ease;
  }

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

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 24px 0;
    flex-wrap: wrap;
    font-size: 0.83rem;
    color: rgba(255, 255, 255, 0.4);
  }

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

    .cta-card {
      padding: 48px 36px;
    }

    .footer-main {
      grid-template-columns: 1.2fr 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    .header-inner {
      min-height: 60px;
    }

    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: stretch;
      padding: 12px 20px 20px;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 20px 30px rgba(15, 43, 70, 0.08);
    }

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

    .nav-link {
      padding: 14px 16px;
      border-radius: 12px;
      text-align: center;
    }

    .search-box {
      display: none;
    }

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

    .category-hero {
      padding: 68px 0 80px;
    }

    .category-hero h1 {
      font-size: 2.2rem;
    }

    .category-hero p {
      font-size: 0.98rem;
    }

    .section {
      padding: 56px 0;
    }

    .section-head h2 {
      font-size: 1.4rem;
    }

    .filter-bar {
      margin-top: -24px;
      padding: 14px 18px;
    }

    .card-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }

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

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

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

    .feature-content {
      padding: 36px 28px;
    }

    .feature-content h2 {
      font-size: 1.5rem;
    }

    .cta-section {
      padding: 56px 0;
    }

    .cta-card {
      padding: 40px 28px;
    }

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

    .cta-form {
      min-width: 100%;
    }

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

    .hot-item {
      gap: 14px;
    }

    .hot-item .hot-num {
      min-width: 36px;
      font-size: 1.3rem;
    }

    .hot-read {
      display: none;
    }
  }

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

    .logo {
      font-size: 1.18rem;
    }

    .category-hero h1 {
      font-size: 1.8rem;
    }

    .category-hero p {
      font-size: 0.9rem;
      line-height: 1.6;
    }

    .section-head {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .filter-bar {
      gap: 8px;
    }

    .filter-tag {
      padding: 6px 12px;
      font-size: 0.8rem;
    }

    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .stat-num {
      font-size: 1.8rem;
    }

    .feature-content {
      padding: 28px 20px;
    }

    .feature-content h2 {
      font-size: 1.3rem;
    }

    .hot-item {
      padding: 14px 8px;
      flex-wrap: wrap;
    }

    .cta-card {
      padding: 32px 20px;
    }

    .cta-form {
      flex-direction: column;
      width: 100%;
    }

    .cta-form input {
      width: 100%;
      min-width: 0;
    }

    .cta-form .btn-accent {
      width: 100%;
      justify-content: center;
    }
  }

/* roulang page: category2 */
:root {
      --brand: #4f46e5;
      --brand-dark: #3730a3;
      --accent: #14b8a6;
      --ink: #0f172a;
      --muted: #64748b;
      --bg-soft: #f8fafc;
      --border: #e2e8f0;
      --radius: 1rem;
      --shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
      --shadow-lg: 0 12px 24px -8px rgba(15, 23, 42, .12), 0 4px 8px rgba(15, 23, 42, .06);
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
      color: var(--ink);
      background: #fff;
      line-height: 1.7;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color .2s ease;
    }
    button {
      font-family: inherit;
      cursor: pointer;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, .8);
      transition: box-shadow .3s ease;
    }
    .site-header.scrolled {
      box-shadow: 0 4px 20px rgba(15, 23, 42, .06);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -.2px;
      color: var(--ink);
      white-space: nowrap;
    }
    .logo-dot {
      width: 32px;
      height: 32px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--brand), var(--accent));
      display: inline-block;
      flex-shrink: 0;
      box-shadow: 0 4px 10px rgba(79, 70, 229, .3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: nowrap;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-links::-webkit-scrollbar {
      display: none;
    }
    .nav-link {
      display: inline-block;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: .95rem;
      font-weight: 500;
      color: var(--muted);
      white-space: nowrap;
      transition: all .2s ease;
    }
    .nav-link:hover {
      color: var(--brand);
      background: var(--brand-50);
    }
    .nav-link.active {
      color: #fff;
      background: var(--brand);
      box-shadow: 0 2px 8px rgba(79, 70, 229, .3);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .header-search {
      position: relative;
      display: none;
    }
    .header-search input {
      width: 200px;
      height: 38px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: var(--bg-soft);
      padding: 0 40px 0 16px;
      font-size: .875rem;
      transition: all .25s ease;
      outline: none;
    }
    .header-search input:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, .1);
      background: #fff;
    }
    .header-search i {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      font-size: .875rem;
    }
    .btn-menu {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--ink);
      font-size: 1rem;
      align-items: center;
      justify-content: center;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -300px;
      width: 280px;
      height: 100vh;
      background: #fff;
      z-index: 100;
      box-shadow: -8px 0 30px rgba(0, 0, 0, .08);
      transition: right .3s ease;
      padding: 80px 24px 24px;
    }
    .mobile-drawer.open {
      right: 0;
    }
    .mobile-drawer .nav-links {
      flex-direction: column;
      align-items: stretch;
      gap: 8px;
    }
    .mobile-drawer .nav-link {
      display: block;
      padding: 12px 16px;
      text-align: left;
      border-radius: 12px;
      background: var(--bg-soft);
    }
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, .4);
      z-index: 90;
      opacity: 0;
      visibility: hidden;
      transition: all .3s ease;
    }
    .drawer-overlay.show {
      opacity: 1;
      visibility: visible;
    }
    .hero {
      position: relative;
      padding: 80px 0;
      background:
        linear-gradient(rgba(15, 23, 42, .55), rgba(30, 27, 75, .65)),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff;
    }
    .hero-content {
      max-width: 720px;
    }
    .hero h1 {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
    }
    .hero p {
      font-size: 1.125rem;
      color: rgba(255, 255, 255, .9);
      margin-top: 16px;
      line-height: 1.7;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .15);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, .25);
      border-radius: 999px;
      padding: 6px 16px;
      font-size: .875rem;
      font-weight: 500;
      margin-bottom: 20px;
    }
    .hero-badge i {
      color: #67e8f9;
    }
    .section {
      padding: 80px 0;
    }
    .section-alt {
      background: var(--bg-soft);
    }
    .section-head {
      max-width: 680px;
      margin-bottom: 48px;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: .8rem;
      font-weight: 600;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: var(--brand);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -.5px;
    }
    .section-desc {
      color: var(--muted);
      font-size: 1.0625rem;
      margin-top: 12px;
      line-height: 1.7;
    }
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .card {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid rgba(226, 232, 240, .6);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: all .3s ease;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .card-img {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
    }
    .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .card:hover .card-img img {
      transform: scale(1.03);
    }
    .card-img .badge-cat {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(4px);
      color: var(--ink);
      font-size: .75rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
    }
    .card-body {
      padding: 24px;
    }
    .card-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .card-body p {
      font-size: .9375rem;
      color: var(--muted);
      line-height: 1.65;
    }
    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid #f1f5f9;
      font-size: .8125rem;
      color: var(--muted);
    }
    .card-meta i {
      margin-right: 4px;
    }
    .category-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }
    .category-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 12px 24px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 999px;
      font-weight: 500;
      font-size: .9375rem;
      color: var(--ink);
      transition: all .25s ease;
      box-shadow: var(--shadow);
    }
    .category-pill:hover {
      border-color: var(--brand);
      color: var(--brand);
      transform: translateY(-2px);
    }
    .category-pill i {
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--brand-50);
      color: var(--brand);
      font-size: .9rem;
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .step-card {
      text-align: center;
      padding: 32px 20px;
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid rgba(226, 232, 240, .6);
      transition: all .3s ease;
    }
    .step-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .step-num {
      width: 56px;
      height: 56px;
      margin: 0 auto 16px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--accent));
    }
    .step-card h4 {
      font-size: 1.0625rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: .875rem;
      color: var(--muted);
      line-height: 1.6;
    }
    .stats-band {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #0f766e 100%);
      color: #fff;
      padding: 60px 0;
      border-radius: 2rem;
      margin: 0 auto;
      max-width: 1160px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
      padding: 0 40px;
    }
    .stat-value {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1;
      background: linear-gradient(90deg, #67e8f9, #a5b4fc);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .stat-label {
      margin-top: 10px;
      font-size: .9375rem;
      color: rgba(255, 255, 255, .8);
    }
    .test-card {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 24px;
      align-items: center;
      background: #fff;
      border-radius: var(--radius);
      padding: 24px;
      border: 1px solid rgba(226, 232, 240, .5);
      transition: all .3s ease;
      margin-bottom: 16px;
    }
    .test-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateX(4px);
    }
    .test-img {
      width: 120px;
      height: 80px;
      border-radius: 12px;
      overflow: hidden;
    }
    .test-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .test-score {
      text-align: center;
      background: var(--brand-50);
      border-radius: 12px;
      padding: 12px 16px;
      min-width: 80px;
    }
    .test-score strong {
      font-size: 1.5rem;
      color: var(--brand);
      display: block;
    }
    .test-score span {
      font-size: .75rem;
      color: var(--muted);
    }
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .faq-item {
      background: #fff;
      border-radius: var(--radius);
      padding: 28px;
      border: 1px solid rgba(226, 232, 240, .5);
      transition: all .25s ease;
    }
    .faq-item:hover {
      border-color: var(--brand-100);
      box-shadow: var(--shadow);
    }
    .faq-item h4 {
      font-size: 1.0625rem;
      font-weight: 700;
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-item h4 i {
      color: var(--brand);
      font-size: 1rem;
      margin-top: 4px;
    }
    .faq-item p {
      color: var(--muted);
      font-size: .9375rem;
      line-height: 1.7;
      padding-left: 24px;
    }
    .cta-section {
      background: linear-gradient(135deg, var(--brand), #6d28d9);
      border-radius: 2rem;
      padding: 64px 48px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .06);
    }
    .cta-section h2 {
      font-size: 2rem;
      font-weight: 800;
      position: relative;
    }
    .cta-section p {
      margin: 16px auto 32px;
      max-width: 520px;
      color: rgba(255, 255, 255, .85);
      position: relative;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 32px;
      border-radius: 999px;
      font-weight: 600;
      font-size: .9375rem;
      border: none;
      transition: all .25s ease;
      position: relative;
    }
    .btn-primary {
      background: #fff;
      color: var(--brand);
      box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
    }
    .btn-outline {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255, 255, 255, .6);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, .1);
      border-color: #fff;
    }
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 64px 0 0;
      margin-top: 80px;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-logo .logo {
      color: #fff;
    }
    .footer-brand p {
      margin-top: 16px;
      font-size: .9375rem;
      line-height: 1.7;
      max-width: 360px;
    }
    .footer-links h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .footer-links a {
      display: block;
      padding: 6px 0;
      font-size: .9rem;
      transition: color .2s ease;
    }
    .footer-links a:hover {
      color: #a5b4fc;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 24px 0;
      font-size: .875rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }
    .go-top {
      position: fixed;
      bottom: 32px;
      right: 32px;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: var(--brand);
      color: #fff;
      border: none;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transition: all .3s ease;
      box-shadow: 0 8px 24px rgba(79, 70, 229, .35);
      z-index: 60;
    }
    .go-top.show {
      opacity: 1;
      visibility: visible;
    }
    .go-top:hover {
      transform: translateY(-3px);
    }
    .hero-meta {
      display: flex;
      gap: 12px;
      margin-top: 24px;
      flex-wrap: wrap;
    }
    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .875rem;
      color: rgba(255, 255, 255, .9);
      background: rgba(255, 255, 255, .1);
      border-radius: 999px;
      padding: 6px 14px;
    }
    @media (max-width: 1024px) {
      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .footer-main {
        grid-template-columns: 1fr 1fr;
      }
      .hero h1 {
        font-size: 2.5rem;
      }
    }
    @media (max-width: 768px) {
      .header-search {
        display: none;
      }
      .btn-menu {
        display: flex;
      }
      .nav-links {
        display: none;
      }
      .hero {
        padding: 60px 0;
      }
      .hero h1 {
        font-size: 2rem;
      }
      .section {
        padding: 56px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .test-card {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .test-img {
        width: 100%;
        height: 160px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }
    @media (max-width: 520px) {
      .header-inner {
        height: 60px;
      }
      .logo {
        font-size: 1.1rem;
      }
      .logo-dot {
        width: 28px;
        height: 28px;
        border-radius: 8px;
      }
      .cards-grid {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .cta-section {
        padding: 40px 24px;
      }
      .hero h1 {
        font-size: 1.65rem;
      }
      .hero p {
        font-size: 1rem;
      }
    }

/* roulang page: category3 */
:root {
      --color-primary: #0f172a;
      --color-primary-soft: #1e293b;
      --color-accent: #f97316;
      --color-accent-dark: #ea580c;
      --color-bg: #f6f7fb;
      --color-surface: #ffffff;
      --color-text: #0f172a;
      --color-text-muted: #64748b;
      --color-border: #e2e8f0;
      --radius-lg: 1.25rem;
      --radius-md: 0.75rem;
      --radius-sm: 0.5rem;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.07);
      --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.1);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --space-section: 5rem;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
      height: auto;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    button {
      border: none;
      background: none;
      cursor: pointer;
      font-family: inherit;
    }
    input,
    textarea {
      font-family: inherit;
      border: none;
      outline: none;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }
    .section-pad {
      padding: 5rem 0;
    }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.8125rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--color-accent);
      background: rgba(249, 115, 22, 0.08);
      padding: 0.375rem 0.875rem;
      border-radius: 999px;
      margin-bottom: 1rem;
    }
    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--color-text);
      margin-bottom: 0.875rem;
    }
    .section-desc {
      font-size: 1.0625rem;
      color: var(--color-text-muted);
      max-width: 640px;
      line-height: 1.7;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 1px 12px rgba(15, 23, 42, 0.04);
    }
    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.75rem 1.5rem;
      max-width: 1280px;
      margin: 0 auto;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 0.625rem;
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
      white-space: nowrap;
    }
    .logo-dot {
      width: 32px;
      height: 32px;
      border-radius: 9px;
      background: linear-gradient(135deg, var(--color-accent) 0%, #fb923c 100%);
      box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
      position: relative;
      flex-shrink: 0;
    }
    .logo-dot::after {
      content: '';
      position: absolute;
      inset: 6px;
      border-radius: 5px;
      background: #fff;
      opacity: 0.85;
    }
    .header-search {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      background: #f1f5f9;
      border: 1px solid transparent;
      border-radius: 999px;
      padding: 0.375rem 0.625rem 0.375rem 1rem;
      transition: var(--transition);
      flex: 0 1 340px;
    }
    .header-search:focus-within {
      background: #fff;
      border-color: var(--color-accent);
      box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.08);
    }
    .header-search input {
      background: transparent;
      font-size: 0.875rem;
      color: var(--color-text);
      width: 100%;
      min-width: 0;
    }
    .header-search input::placeholder {
      color: #94a3b8;
    }
    .header-search button {
      color: var(--color-text-muted);
      font-size: 0.875rem;
      padding: 0.375rem 0.625rem;
      border-radius: 999px;
      transition: var(--transition);
      flex-shrink: 0;
    }
    .header-search button:hover {
      color: var(--color-accent);
      background: rgba(249, 115, 22, 0.08);
    }
    .header-nav {
      border-top: 1px solid rgba(226, 232, 240, 0.6);
      position: relative;
    }
    .nav-links {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.25rem;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .nav-links::-webkit-scrollbar {
      display: none;
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 0.625rem 1.125rem;
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--color-text-muted);
      border-radius: 999px;
      white-space: nowrap;
      position: relative;
      transition: var(--transition);
    }
    .nav-link:hover {
      color: var(--color-text);
      background: #f1f5f9;
    }
    .nav-link.active {
      color: var(--color-accent);
      background: rgba(249, 115, 22, 0.08);
      font-weight: 700;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0.25rem;
      left: 50%;
      transform: translateX(-50%);
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--color-accent);
    }
    .header-mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: #f1f5f9;
      align-items: center;
      justify-content: center;
      font-size: 1.125rem;
      color: var(--color-text);
      margin-left: auto;
      flex-shrink: 0;
      transition: var(--transition);
    }
    .header-mobile-toggle:hover {
      background: #e2e8f0;
    }
    @media (max-width: 768px) {
      .header-mobile-toggle {
        display: inline-flex;
      }
      .header-search {
        display: none;
      }
      .nav-links {
        flex-wrap: nowrap;
        gap: 0.125rem;
        padding: 0.5rem 1rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .nav-link {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
      }
    }
    .page-hero {
      position: relative;
      padding: 5.5rem 0 4rem;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.82) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: #fff;
      overflow: hidden;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      top: -40%;
      right: -10%;
      width: 480px;
      height: 480px;
      background: rgba(249, 115, 22, 0.12);
      border-radius: 50%;
      filter: blur(80px);
    }
    .page-hero .container {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.4fr 0.6fr;
      gap: 3rem;
      align-items: center;
    }
    .hero-content {
      max-width: 680px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.18);
      color: #fff;
      font-size: 0.8125rem;
      font-weight: 600;
      padding: 0.375rem 1rem;
      border-radius: 999px;
      margin-bottom: 1.5rem;
    }
    .hero-badge i {
      color: #fb923c;
    }
    .page-hero h1 {
      font-size: clamp(2.25rem, 4.5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 1rem;
    }
    .page-hero h1 span {
      color: #fb923c;
      position: relative;
    }
    .page-hero p.hero-lead {
      font-size: 1.125rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.75;
      margin-bottom: 2rem;
      max-width: 560px;
    }
    .hero-stats {
      display: flex;
      gap: 2.5rem;
      margin-top: 2.5rem;
      flex-wrap: wrap;
    }
    .hero-stat {
      display: flex;
      flex-direction: column;
    }
    .hero-stat strong {
      font-size: 1.75rem;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
    }
    .hero-stat span {
      font-size: 0.875rem;
      color: rgba(255, 255, 255, 0.6);
    }
    .hero-card-wrap {
      display: flex;
      justify-content: flex-end;
    }
    .hero-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 1.5rem;
      padding: 1.75rem;
      width: 100%;
      max-width: 360px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
    }
    .hero-card .card-head {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.875rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1rem;
    }
    .hero-card .card-head i {
      color: #fb923c;
      font-size: 1.125rem;
    }
    .hero-card .progress-wrap {
      margin-bottom: 1rem;
    }
    .hero-card .progress-label {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 0.375rem;
    }
    .hero-card .progress-track {
      height: 6px;
      background: rgba(255, 255, 255, 0.15);
      border-radius: 999px;
      overflow: hidden;
    }
    .hero-card .progress-fill {
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, #fb923c, #f97316);
    }
    .hero-card .card-footer {
      font-size: 0.8125rem;
      color: rgba(255, 255, 255, 0.6);
      margin-top: 0.75rem;
    }
    @media (max-width: 1024px) {
      .page-hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .hero-card-wrap {
        justify-content: flex-start;
      }
    }
    @media (max-width: 768px) {
      .page-hero {
        padding: 3.5rem 0 3rem;
      }
      .hero-stats {
        gap: 1.5rem;
        margin-top: 1.5rem;
      }
      .hero-stat strong {
        font-size: 1.375rem;
      }
    }
    .subcategory-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.25rem;
    }
    @media (max-width: 1024px) {
      .subcategory-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .subcategory-grid {
        grid-template-columns: 1fr;
      }
    }
    .subcategory-card {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .subcategory-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--color-accent), #fb923c);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .subcategory-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(249, 115, 22, 0.2);
    }
    .subcategory-card:hover::before {
      transform: scaleX(1);
    }
    .subcategory-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(249, 115, 22, 0.1);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 1rem;
    }
    .subcategory-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: var(--color-text);
    }
    .subcategory-card p {
      font-size: 0.875rem;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 1rem;
    }
    .subcategory-card .sub-link {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--color-accent);
      transition: var(--transition);
    }
    .subcategory-card .sub-link:hover {
      gap: 0.625rem;
    }
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    @media (max-width: 1024px) {
      .article-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .article-grid {
        grid-template-columns: 1fr;
      }
    }
    .article-card {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .article-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(249, 115, 22, 0.15);
    }
    .article-card .card-cover {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
    }
    .article-card .card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .article-card:hover .card-cover img {
      transform: scale(1.05);
    }
    .article-card .card-cover::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.2) 100%);
    }
    .article-card .card-tag {
      position: absolute;
      top: 0.875rem;
      left: 0.875rem;
      z-index: 2;
      font-size: 0.6875rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(8px);
      color: #fff;
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
    }
    .article-card .card-body {
      padding: 1.375rem 1.5rem 1.5rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .article-card .card-body h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 0.5rem;
      color: var(--color-text);
      transition: var(--transition);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-card:hover .card-body h3 {
      color: var(--color-accent);
    }
    .article-card .card-body p {
      font-size: 0.8125rem;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 1rem;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-card .card-meta {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.75rem;
      color: #94a3b8;
      border-top: 1px solid #f1f5f9;
      padding-top: 0.875rem;
    }
    .article-card .card-meta i {
      font-size: 0.6875rem;
      margin-right: 0.25rem;
    }
    .process-section {
      background: var(--color-primary);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .process-section::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: rgba(249, 115, 22, 0.08);
      filter: blur(60px);
    }
    .process-section .section-title {
      color: #fff;
    }
    .process-section .section-desc {
      color: rgba(255, 255, 255, 0.7);
    }
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1.25rem;
      margin-top: 2.5rem;
    }
    @media (max-width: 1024px) {
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    @media (max-width: 640px) {
      .process-steps {
        grid-template-columns: 1fr;
      }
    }
    .process-step {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      backdrop-filter: blur(8px);
      transition: var(--transition);
      position: relative;
    }
    .process-step:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(249, 115, 22, 0.3);
      transform: translateY(-4px);
    }
    .process-step .step-num {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1;
      color: rgba(255, 255, 255, 0.15);
      margin-bottom: 0.75rem;
      font-family: ui-monospace, monospace;
    }
    .process-step h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 0.375rem;
    }
    .process-step p {
      font-size: 0.8125rem;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.5;
    }
    .topic-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .topic-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 999px;
      padding: 0.5rem 1.125rem;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--color-text-muted);
      transition: var(--transition);
    }
    .topic-tag:hover {
      background: var(--color-accent);
      border-color: var(--color-accent);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(249, 115, 22, 0.25);
    }
    .topic-tag i {
      font-size: 0.75rem;
      opacity: 0.7;
    }
    .faq-block {
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }
    .faq-item {
      border-bottom: 1px solid var(--color-border);
      transition: var(--transition);
    }
    .faq-item:last-child {
      border-bottom: none;
    }
    .faq-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.375rem 1.5rem;
      text-align: left;
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-text);
      transition: var(--transition);
    }
    .faq-toggle:hover {
      color: var(--color-accent);
    }
    .faq-toggle .faq-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      color: var(--color-text-muted);
      flex-shrink: 0;
      transition: var(--transition);
    }
    .faq-item.active .faq-toggle .faq-icon {
      background: var(--color-accent);
      color: #fff;
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .faq-answer-inner {
      padding: 0 1.5rem 1.375rem;
      font-size: 0.9375rem;
      color: var(--color-text-muted);
      line-height: 1.75;
    }
    .cta-card {
      background: linear-gradient(135deg, var(--color-primary) 0%, #0b1220 100%);
      border-radius: 1.75rem;
      padding: 3.5rem 3rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      color: #fff;
    }
    .cta-card::before {
      content: '';
      position: absolute;
      top: -60%;
      left: -10%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(249, 115, 22, 0.12);
      filter: blur(70px);
    }
    .cta-card::after {
      content: '';
      position: absolute;
      bottom: -80%;
      right: -10%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(59, 130, 246, 0.1);
      filter: blur(70px);
    }
    .cta-card h2 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 0.75rem;
      position: relative;
      z-index: 1;
    }
    .cta-card p {
      font-size: 1.0625rem;
      color: rgba(255, 255, 255, 0.7);
      max-width: 520px;
      margin: 0 auto 2rem;
      position: relative;
      z-index: 1;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
      position: relative;
      z-index: 1;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      border-radius: 999px;
      font-size: 0.9375rem;
      font-weight: 600;
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-primary {
      background: var(--color-accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
    }
    .btn-primary:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
    }
    .btn-ghost-light {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(8px);
    }
    .btn-ghost-light:hover {
      background: rgba(255, 255, 255, 0.18);
      border-color: rgba(255, 255, 255, 0.35);
      transform: translateY(-2px);
    }
    .site-footer {
      background: #0f172a;
      color: rgba(255, 255, 255, 0.7);
      padding: 3.5rem 0 0;
      margin-top: 5rem;
    }
    .site-footer .footer-main {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 2.5rem;
      padding-bottom: 2.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-footer .footer-brand .logo {
      color: #fff;
      font-size: 1.25rem;
      margin-bottom: 1rem;
    }
    .site-footer .footer-brand p {
      font-size: 0.875rem;
      line-height: 1.7;
      max-width: 300px;
    }
    .site-footer .footer-links h4 {
      color: #fff;
      font-size: 0.9375rem;
      font-weight: 700;
      margin-bottom: 1rem;
    }
    .site-footer .footer-links a {
      display: block;
      font-size: 0.875rem;
      padding: 0.3125rem 0;
      color: rgba(255, 255, 255, 0.6);
      transition: var(--transition);
    }
    .site-footer .footer-links a:hover {
      color: var(--color-accent);
      padding-left: 0.375rem;
    }
    .site-footer .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 0.5rem;
      padding: 1.5rem 0;
      font-size: 0.8125rem;
      color: rgba(255, 255, 255, 0.45);
    }
    @media (max-width: 768px) {
      .site-footer .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .site-footer .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 2rem;
      margin-bottom: 2.5rem;
    }
    @media (max-width: 640px) {
      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }
    }
    .view-all {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--color-accent);
      white-space: nowrap;
    }
    .view-all:hover {
      gap: 0.625rem;
    }
    .stat-banner {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 2rem 2.5rem;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: -2rem;
      position: relative;
      z-index: 2;
    }
    @media (max-width: 768px) {
      .stat-banner {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 1.5rem;
      }
    }
    .stat-item {
      text-align: center;
    }
    .stat-item strong {
      display: block;
      font-size: 2rem;
      font-weight: 800;
      color: var(--color-text);
      line-height: 1.2;
    }
    .stat-item span {
      font-size: 0.875rem;
      color: var(--color-text-muted);
    }
    .stat-item::not(:last-child) {
      border-right: 1px solid var(--color-border);
    }
    @media (max-width: 768px) {
      .stat-item::not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 1rem;
      }
    }
    .focus-ring:focus-visible {
      outline: 3px solid rgba(249, 115, 22, 0.4);
      outline-offset: 2px;
    }