:root{--bg:#fff;--fg:#1c1f23;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--fg:#e6e8eb;--muted:#9aa3af;--line:#232833;--accent:#60a5fa}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:600;letter-spacing:-.01em}.dot{color:var(--accent)}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:14px}
nav a:hover{color:var(--fg)}
main{padding:40px 0 60px}
h1{font-size:28px;margin:0 0 10px;letter-spacing:-.02em}
h2{font-size:18px;margin:32px 0 10px}
.lead{color:var(--muted);margin:0 0 28px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:0 0 10px;padding:0}
.grid>div{border:1px solid var(--line);border-radius:8px;padding:12px 14px}
dt{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
dd{margin:4px 0 0;font-variant-numeric:tabular-nums}
pre{background:rgba(127,127,127,.09);border:1px solid var(--line);border-radius:8px;padding:14px;overflow-x:auto}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:13px}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--muted);font-weight:500}