:root{
  --bg:#f7f7f8;
  --surface:#ffffff;
  --surface-soft:#fbfbfc;
  --text:#172033;
  --muted:#5d687f;
  --line:#dce4f0;
  --accent:#002fa7;
  --accent-soft:#edf2ff;
  --success:#1f9d60;
  --shadow:0 10px 28px rgba(15,23,42,.04);
  --radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    linear-gradient(180deg, rgba(0,47,167,.03), rgba(0,47,167,0) 210px),
    linear-gradient(90deg, rgba(0,47,167,.028) 1px, transparent 1px),
    linear-gradient(rgba(0,47,167,.028) 1px, transparent 1px),
    var(--bg);
  background-size:100% 100%, 22px 22px, 22px 22px, auto;
  color:var(--text);
  font:16px/1.68 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.site-shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(220,228,240,.85);
  backdrop-filter:blur(12px);
}
.header-inner{
  min-height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);font-weight:850;font-size:1.12rem}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px}
.brand-wordmark{letter-spacing:.01em}
.top-nav{display:flex;gap:18px;align-items:center}
.top-nav a{color:var(--muted);font-weight:600}
.top-nav a:hover{color:var(--text);text-decoration:none}
.hero{padding:68px 0 28px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(320px,1fr);gap:28px;align-items:start}
.hero-copy{max-width:820px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--muted);font-size:.82rem;font-weight:700;
}
h1{margin:18px 0 14px;font-size:clamp(2.35rem,5vw,4.35rem);line-height:1.02;letter-spacing:0}
h2{margin:0 0 8px;font-size:1.38rem;line-height:1.2;letter-spacing:0}
h3{margin:0 0 10px;font-size:1.03rem;line-height:1.25}
.hero-text,.page-hero p,.aside-copy,.section p,.data-note,.panel-note,.footer-grid p,.hero-subtext{margin:0;color:var(--muted)}
.hero-text{font-size:1.12rem;max-width:58ch}
.hero-subtext{margin-top:12px;max-width:62ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:8px;border:1px solid var(--line);
  font-weight:750;text-decoration:none
}
.button:hover{text-decoration:none}
.button-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.button-secondary{background:#fff;color:var(--text)}
.hero-panel,.detail-card,.metric-card,.list-card,.table-wrap,.model-card,.data-note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-panel{padding:24px}
.panel-title,.footer-title{font-weight:850;margin-bottom:10px}
.bullet-list{margin:0;padding:0 18px 0 0;color:var(--muted)}
.bullet-list li+li{margin-top:8px}
.panel-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;padding:8px 0 36px}
.metric-card{padding:18px;position:relative;overflow:hidden}
.metric-card::before{
  content:"";position:absolute;top:0;right:0;left:0;height:3px;background:var(--accent-soft)
}
.metric-label{font-size:.84rem;color:var(--muted);font-weight:750}
.metric-value{margin-top:8px;font-size:1.82rem;line-height:1.08;font-weight:860}
.metric-detail{margin-top:6px;color:var(--muted);font-size:.9rem}
.section{padding:18px 0 34px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px;padding-top:10px;border-top:1px solid var(--line)}
.section-head p{max-width:70ch}
.section-link{font-weight:750}
.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.story-card{
  background:rgba(255,255,255,.82);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 18px 20px;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.list-card{display:flex;flex-direction:column;padding:18px;color:var(--text);min-height:146px}
.list-card:hover{text-decoration:none;border-color:#c7d7ee}
.list-card-head{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.maker-badge{
  width:42px;height:42px;border-radius:12px;background:var(--accent-soft);
  color:var(--accent);display:grid;place-items:center;font-weight:900;flex:0 0 auto
}
.list-card-title{font-weight:850}
.list-card-subtitle{font-size:.92rem;color:var(--muted)}
.list-card-metrics{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.92rem;margin-top:auto}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:var(--surface)}
th,td{padding:14px 16px;text-align:right;white-space:nowrap}
thead th{font-size:.84rem;color:var(--muted);font-weight:800;background:var(--surface-soft)}
tbody tr+tr td{border-top:1px solid var(--line)}
.page-body{padding:34px 0 48px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.92rem;margin-bottom:18px}
.breadcrumbs a{color:var(--muted)}
.crumb-current{color:var(--text);font-weight:750}
.page-hero,.data-note{padding:24px;margin-bottom:18px}
.maker-hero .hero-title-row{display:flex;align-items:center;gap:14px}
.model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.model-card{padding:18px 18px 20px}
.model-card-top{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:14px}
.model-card h2{font-size:1.08rem}
.model-card-sub{color:var(--muted);font-size:.9rem}
.model-count{font-weight:900;font-size:1.2rem}
.model-meta,.kv-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;margin:0}
.model-meta div,.kv-list div{padding-top:10px;border-top:1px solid var(--line)}
.model-meta dt,.kv-list dt{font-size:.82rem;color:var(--muted);font-weight:700}
.model-meta dd,.kv-list dd{margin:4px 0 0;font-weight:750}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:18px;margin-bottom:28px}
.detail-card{padding:20px}
.compact-stats,.related-list,.footer-list{list-style:none;margin:0;padding:0}
.compact-stats li,.related-list li{
  display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 0
}
.compact-stats li+li,.related-list li+li{border-top:1px solid var(--line)}
.related-list li span{color:var(--muted);font-weight:700}
.site-footer{margin-top:42px;padding:34px 0 52px;border-top:1px solid var(--line);background:rgba(255,255,255,.92)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:24px}
.footer-title{font-size:.95rem}
.footer-list li+li{margin-top:8px}
@media (max-width: 960px){
  .hero-grid,.detail-grid,.footer-grid,.card-grid,.story-grid,.metrics-grid,.model-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 720px){
  .site-shell{width:min(100% - 24px,1180px)}
  .header-inner,.section-head,.hero-actions,.top-nav{flex-wrap:wrap}
  .hero{padding:52px 0 22px}
  .hero-grid,.detail-grid,.footer-grid,.card-grid,.story-grid,.metrics-grid,.model-grid{grid-template-columns:1fr}
  th,td{padding:12px}
  h1{font-size:2.4rem}
  .hero-text{font-size:1.02rem}
}