:root{--bg:#fff;--fg:#1f2328;--muted:#5b616b;--line:#e3e5e8;--accent:#0c66e4;--code:#f4f5f7}
@media (prefers-color-scheme:dark){:root{--bg:#1d2125;--fg:#dee4ea;--muted:#9fadbc;--line:#384148;--accent:#579dff;--code:#2c333a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 80px}h1{font-size:30px;margin:0 0 4px}h2{margin-top:40px;font-size:21px;border-bottom:1px solid var(--line);padding-bottom:6px}
.sub{color:var(--muted);margin:0 0 24px}a{color:var(--accent)}code{background:var(--code);padding:2px 6px;border-radius:4px;font-size:14px}
table{border-collapse:collapse;width:100%;font-size:15px}th,td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
nav a{margin-right:16px}footer{margin-top:48px;color:var(--muted);font-size:14px}