:root{--fg:#222;--muted:#828282;--bg:#fdfdfd;--accent:#2a7ae2;--line:#e8e8e8}@media(prefers-color-scheme:dark){:root{--fg:#ddd;--muted:#888;--bg:#161616;--accent:#79b8ff;--line:#2c2c2c}}*{box-sizing:border-box}html{font-size:16px}body{max-width:46rem;margin:0 auto;padding:2rem 1.25rem;color:var(--fg);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,pingfang sc,noto sans cjk sc,sans-serif;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.8rem;line-height:1.25;margin:0 0 1rem}h2{font-size:1.3rem;margin-top:2rem;border-bottom:1px solid var(--line);padding-bottom:.25rem}.site-header{padding-bottom:1rem;margin-bottom:2rem;border-bottom:1px solid var(--line)}.brand{font-weight:700;font-size:1.4rem;color:var(--fg)}.tagline{margin:.25rem 0 0;color:var(--muted)}.site-footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.875rem;display:flex;flex-wrap:wrap;gap:1rem}.not-found{text-align:center}.not-found h1{font-size:4rem;margin:2rem 0}