:root{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --surface-2:#f2f4f8;
  --text:#162032;
  --muted:#5d6b82;
  --line:#d9e0ea;
  --brand:#e95f0c;
  --brand-soft:#fff1e7;
  --good:#e7f6ec;
  --good-text:#0f6b35;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius:18px;
  --radius-sm:12px;
  --gutter:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fbfcfe 0%,var(--bg) 100%);
}
a{color:var(--brand)}
.page{width:min(calc(100% - 32px),1240px);margin:0 auto}
.hero{padding:48px 0 26px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.02em
}
h1,h2,h3{line-height:1.15;margin:0}
h1{font-size:clamp(34px,5vw,54px);margin-top:16px}
h2{font-size:clamp(24px,3.5vw,34px);margin-bottom:14px}
h3{font-size:20px;margin-bottom:10px}
p{margin:0;color:var(--muted)}
header p.lead{font-size:18px;max-width:72ch;margin-top:14px}
.layout{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
.sidebar{
  position:sticky;top:18px;background:var(--surface);border:1px solid rgba(22,32,50,.08);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:20px
}
.sidebar nav ul{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px}
.sidebar nav a{
  display:block;text-decoration:none;color:var(--text);background:var(--surface-2);border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;font-weight:600
}
.sidebar nav a:hover,.sidebar nav a.active{border-color:var(--brand);color:var(--brand);background:#fff}
.content{padding-bottom:64px}
.section-card{
  background:var(--surface);border:1px solid rgba(22,32,50,.08);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;margin-bottom:24px
}
.kicker{
  color:var(--brand);text-transform:uppercase;letter-spacing:.08em;font-weight:800;font-size:12px;margin-bottom:8px
}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.stack{display:grid;gap:14px}
.stack-sm{display:grid;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--line);
  border-radius:999px;background:var(--surface-2);font-size:13px;font-weight:700;color:var(--text)
}
.component{padding:16px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2)}
.notice{
  background:var(--brand-soft);color:#7b3d09;border:1px solid rgba(233,95,12,.18);border-radius:14px;padding:14px 16px
}
.ok{
  background:var(--good);color:var(--good-text);border:1px solid rgba(15,107,53,.15);border-radius:14px;padding:14px 16px
}
table{width:100%;border-collapse:collapse;font-size:15px;margin-top:10px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:14px;color:var(--muted);font-weight:700;background:#fbfcfe}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}
code{padding:.18em .45em;border-radius:8px;background:#eef2f7;color:#0f172a;font-size:.94em}
pre{
  margin:0;padding:16px;background:#111827;color:#e5eefc;border-radius:14px;overflow:auto;
  font-size:14px;line-height:1.5
}
.list-clean{margin:0;padding-left:18px;color:var(--muted)}
.list-clean li+li{margin-top:8px}
.demo-frame{background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);border:1px solid var(--line);border-radius:16px;padding:18px}
.demo-label{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:10px}
.demo-container{
  width:min(100%,1140px);margin:0 auto;padding-inline:calc(var(--gutter) / 2);
  border:1px dashed rgba(233,95,12,.35);border-radius:12px;padding-top:14px;padding-bottom:14px;background:rgba(233,95,12,.03)
}
.demo-row{display:flex;flex-wrap:wrap;margin-inline:calc(var(--gutter)/-2)}
.demo-col{padding-inline:calc(var(--gutter)/2);padding-bottom:12px}
.demo-col>div{
  min-height:88px;border-radius:12px;border:1px dashed #9fb2cc;background:#f8fbff;display:flex;align-items:center;
  justify-content:center;text-align:center;font-weight:700;color:#334155;padding:12px
}
.col-12{width:100%}.col-6{width:50%}.col-4{width:33.333333%}.col-3{width:25%}.col-8{width:66.666666%}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card-link{
  text-decoration:none;color:inherit;background:var(--surface);border:1px solid rgba(22,32,50,.08);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:grid;gap:10px
}
.card-link:hover{transform:translateY(-1px)}
.footer{padding:24px 0 56px;color:var(--muted);font-size:14px}
@media (max-width: 980px){
  .layout,.grid-2,.grid-3{grid-template-columns:1fr}
  .sidebar{position:static}
}