:root{--bg:#F7F3EA;--fg:#14202E;--muted:#5B6673;--accent:#0B5E8E;--line:#DDD5C4;--card:#FFFFFF}
@media (prefers-color-scheme:dark){:root{--bg:#0F1720;--fg:#EDE8DD;--muted:#A5ADB6;--accent:#6FB6E3;--line:#2A3642;--card:#16212C}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:28px 16px 60px}
h1{font-size:1.7rem;line-height:1.25;margin:.2em 0 .3em}
h2{font-size:1.15rem;margin:1.8em 0 .4em}
a{color:var(--accent)}
.meta{color:var(--muted);font-size:.9rem}
.lang{text-align:right;margin:0;font-size:.9rem}
table{width:100%;border-collapse:collapse;background:var(--card);font-size:.92rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--line)}
code{font-size:.9em}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}