:root{--bg:#edf1ee;--surface:#fff;--ink:#0f1a14;--muted:#56665d;--line:#dbe3dd;--brand:#0a6b46;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0b110e;--surface:#141c18;--ink:#e7eee9;--muted:#9aaaa1;--line:#253129;--brand:#4fc08d;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;padding:16px}
main{max-width:720px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px 20px 28px}
h1{font-size:30px;line-height:1.15;margin:12px 0 4px}
h2{font-size:20px;margin:26px 0 6px}
.meta{color:var(--muted);margin-top:0}
a{color:var(--brand)}
ul{padding-left:22px}
li{margin:4px 0}
hr{border:0;border-top:2px solid var(--line);margin:40px 0 10px}
footer{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);text-align:center}