*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#141824;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#d97706;
  --accent-soft:#fff7ed;
  --link:#2563eb;
  --bg:#ffffff;
  --card:#ffffff;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --max:1180px;
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.72;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.shell{max-width:var(--max);margin:0 auto;padding:0 20px}

.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:200;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:68px;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{text-decoration:none}
.brand img{width:42px;height:42px;border-radius:12px}
.brand strong{font-size:18px;display:block;line-height:1.2}
.brand small{font-size:11px;color:var(--muted);letter-spacing:.08em}
.primary-nav{display:flex;flex-wrap:wrap;gap:18px;font-size:14px}
.primary-nav a{color:var(--ink);text-decoration:none;font-weight:500}
.primary-nav a:hover{color:var(--accent)}
.menu-toggle{
  display:none;
  border:1px solid var(--line);
  background:#fff;
  padding:8px 14px;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
}
.mobile-nav{
  display:none;
  flex-direction:column;
  border-top:1px solid var(--line);
  padding:12px 20px;
  background:#fff;
}
.mobile-nav.open{display:flex}
.mobile-nav a{
  padding:11px 0;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.ads-wrap{
  border-bottom:1px solid var(--line);
  padding:10px 0;
  background:#fff;
}

.bento-wrap{padding:28px 0 56px}
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:minmax(80px,auto);
  gap:14px;
}
.bento-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.bento-card h1,.bento-card h2,.bento-card h3{line-height:1.35;color:var(--ink)}
.bento-card p{margin-bottom:14px;color:#374151;text-align:justify}
.bento-card p:last-child{margin-bottom:0}
.bento-card ul,.bento-card ol{margin:0 0 14px 20px;color:#374151}
.bento-card li{margin-bottom:6px}
.bento-card img{width:100%;border-radius:12px;object-fit:cover}
.bento-kicker{
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:10px;
  font-weight:600;
}
.bento-hero h1{
  font-size:clamp(26px,3.6vw,38px);
  margin-bottom:14px;
  font-weight:700;
}
.bento-hero .lead{font-size:17px;color:#1f2937;margin-bottom:16px}
.bento-meta{font-size:13px;color:var(--muted);margin-bottom:12px}
.bento-stat{
  display:flex;
  flex-direction:column;
  justify-content:center;
  text-align:center;
  min-height:120px;
}
.bento-stat strong{
  font-size:26px;
  color:var(--ink);
  display:block;
  margin-top:6px;
}
.bento-stat span{font-size:12px;color:var(--muted);letter-spacing:.06em}
.bento-tag{
  display:inline-block;
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  margin-bottom:10px;
  font-weight:600;
}
.bento-image{padding:0}
.bento-image img{height:100%;min-height:180px;object-fit:cover;border-radius:0}
.bento-image figcaption{padding:12px 16px;font-size:13px;color:var(--muted)}
.bento-link-grid{display:grid;gap:12px}
.bento-link-item{
  display:block;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--ink);
  text-decoration:none;
  transition:box-shadow .2s,border-color .2s;
}
.bento-link-item:hover{
  border-color:#fcd34d;
  box-shadow:0 6px 20px rgba(217,119,6,.08);
  text-decoration:none;
}
.bento-link-item strong{display:block;font-size:15px;margin-bottom:4px}
.bento-link-item span{font-size:13px;color:var(--muted)}
.faq-item{padding:14px 0;border-top:1px solid var(--line)}
.faq-item:first-child{border-top:none;padding-top:0}
.faq-item h4{font-size:15px;margin-bottom:6px}
.faq-item p{font-size:14px;color:var(--muted);margin:0}
.link-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.link-chip{
  display:inline-block;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  color:var(--ink);
  background:#fafafa;
  text-decoration:none;
}
.link-chip:hover{border-color:var(--accent);text-decoration:none}

.span-12{grid-column:span 12}
.span-8{grid-column:span 8}
.span-7{grid-column:span 7}
.span-6{grid-column:span 6}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
.span-3{grid-column:span 3}
.row-2{grid-row:span 2}

.site-footer{
  background:#fafafa;
  border-top:1px solid var(--line);
  padding:36px 0;
  font-size:14px;
  color:var(--muted);
}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:20px;
  align-items:center;
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-links a{color:var(--muted)}

.page-hero{padding:36px 0 20px}
.page-hero h1{font-size:clamp(28px,4vw,36px);margin-bottom:10px}
.page-hero p{color:var(--muted);font-size:15px}
.article-body{padding:24px 0 48px;max-width:780px}
.article-body h2{font-size:22px;margin:32px 0 12px}
.article-body h3{font-size:18px;margin:24px 0 10px;color:#374151}
.article-body p{margin-bottom:16px;text-align:justify;color:#374151}
.article-body ul,.article-body ol{margin:0 0 16px 22px;color:#374151}
.article-body li{margin-bottom:8px}
.related-box{
  margin-top:40px;
  padding:22px 24px;
  background:#fafafa;
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.related-box h3{font-size:16px;margin-bottom:12px}
.related-box ul{list-style:none;margin:0;padding:0}
.related-box li{margin-bottom:8px}

.error-page{
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:48px 20px;
  background:#fff;
}
.error-page h1{font-size:80px;color:var(--line);margin-bottom:12px;font-weight:700}
.error-page p{color:var(--muted);margin-bottom:20px}

@media(max-width:960px){
  .span-8,.span-7,.span-6,.span-5,.span-4,.span-3{grid-column:span 12}
  .row-2{grid-row:span 1}
  .primary-nav{display:none}
  .menu-toggle{display:block}
}