:root { --ink: #0f172a; --muted: #475569; --line: #e2e8f0; --brand: #1d4ed8; --bg: #f8fafc; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
header { background: #0f172a; color: #fff; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; gap: 12px; padding: 16px 0; }
.logo { width: 40px; height: 40px; border-radius: 10px; background: var(--brand); display: grid; place-items: center; font-weight: 700; }
.top a { color: #fff; text-decoration: none; }
.top nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
.hero { padding: 48px 0 40px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(28px, 5vw, 42px); }
.hero p { margin: 0; color: #cbd5e1; font-size: 18px; }
main { padding: 32px 0 48px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; margin-bottom: 20px; }
.card h2 { margin-top: 0; font-size: 20px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
dl { margin: 0; } dt { color: var(--muted); font-size: 14px; } dd { margin: 0 0 12px; font-weight: 500; }
a { color: var(--brand); }
h1.doc { font-size: 28px; margin: 0 0 4px; }
.doc h2 { font-size: 18px; margin-top: 28px; }
.doc p, .doc li { color: #1e293b; }
.muted { color: var(--muted); font-size: 14px; }
footer { border-top: 1px solid var(--line); padding: 20px 0; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }