:root{--bg:#f7f8fa;--ink:#1b1d21;--muted:#5d636b;--line:#e1e4e8;--accent:#c2410c}
@media (prefers-color-scheme:dark){:root{--bg:#121417;--ink:#e9ebee;--muted:#9aa1aa;--line:#2a2e34;--accent:#fb923c}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:48px 16px 64px}h1{font-size:30px;margin:0 0 8px}h2{font-size:20px;margin:32px 0 8px}
.muted{color:var(--muted)}a{color:var(--accent)}nav{display:flex;flex-wrap:wrap;gap:18px;margin:0 0 32px;font-size:15px}
footer{border-top:1px solid var(--line);margin-top:48px;padding-top:16px;font-size:14px;color:var(--muted)}