:root{--bg:#fff;--fg:#1c1f24;--muted:#666e79;--line:#e4e7eb;--accent:#2f6fdb}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg)}
.wrap{max-width:940px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);padding:18px 0}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-weight:700;font-size:19px;color:var(--fg);text-decoration:none}
.logo span{color:var(--muted);font-weight:400}
nav a{margin-left:22px;color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--accent)}
h1{font-size:32px;margin:38px 0 10px}
h2{font-size:22px;margin:34px 0 10px}
.lead{color:var(--muted);font-size:17px;margin:0 0 30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:26px 0 50px}
.card{display:block;border:1px solid var(--line);border-radius:10px;padding:18px;text-decoration:none;color:inherit;transition:.15s}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card h3{margin:0 0 6px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14px}
table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left}
th{background:#f6f8fa}
code{background:#f6f8fa;border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:14px}
pre{background:#f6f8fa;border:1px solid var(--line);border-radius:8px;padding:14px;overflow:auto}
pre code{border:0;background:none;padding:0}
footer{border-top:1px solid var(--line);margin-top:60px;padding:22px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(prefers-color-scheme:dark){
  :root{--bg:#14171a;--fg:#e6e9ee;--muted:#98a1ad;--line:#2a2f36;--accent:#6ea8fe}
  th{background:#1b1f24} code,pre{background:#1b1f24}
}