:root{--bg:#f4f6f9;--surface:#ffffff;--fg:#1b2430;--muted:#5c6b7c;--line:#dfe5ec;--brand:#12325c;--brand-2:#1f4f8f;--accent:#2f7de1;--code:#eef2f7;--ok:#2e8b57}
@media (prefers-color-scheme: dark){:root{--bg:#0f1520;--surface:#151d2a;--fg:#e6ebf2;--muted:#9aa8ba;--line:#26313f;--brand:#0c1e3a;--brand-2:#173a6b;--accent:#5aa1ff;--code:#1b2533}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 -apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;padding:0 5vw}
header .wrap{max-width:1040px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:20px;letter-spacing:.3px}
.logo svg{width:26px;height:26px}
nav{display:flex;flex-wrap:wrap;gap:4px}nav a{color:#dfe8f5;padding:8px 12px;border-radius:6px;font-size:15px}nav a:hover{background:rgba(255,255,255,.12);text-decoration:none}
main{max-width:1040px;margin:0 auto;padding:36px 5vw 64px}
h1{font-size:30px;line-height:1.25;margin:0 0 14px;letter-spacing:-.2px}h2{font-size:20px;margin:34px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}h3{font-size:17px;margin:22px 0 8px}
p{margin:0 0 12px;max-width:74ch}ul{padding-left:22px;max-width:74ch}li{margin:4px 0}
main>p:first-of-type{font-size:17px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:22px 0}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;color:inherit;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card:hover{border-color:var(--accent);text-decoration:none}.card h2{border:0;margin:0 0 6px;padding:0;font-size:17px;color:var(--brand-2)}.card p{margin:0;color:var(--muted);font-size:15px}
table{border-collapse:collapse;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:15px;margin:10px 0 18px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--code);color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.4px}tr:last-child td{border-bottom:0}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;background:var(--code);border-radius:6px}code{padding:2px 6px}
pre{padding:12px 14px;overflow:auto;border:1px solid var(--line);line-height:1.5}
footer{color:var(--muted);font-size:14px;padding:22px 5vw;border-top:1px solid var(--line);max-width:1040px;margin:0 auto}
@media (max-width:600px){h1{font-size:24px}main{padding-top:24px}table{display:block;overflow-x:auto}}