:root{--bg:#f7f8f6;--fg:#1a1d1a;--muted:#5d655d;--accent:#16a34a;--card:#fff;--border:#e3e6e2;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0f1210;--fg:#e8ebe8;--muted:#9aa39b;--accent:#22c55e;--card:#1a1e1b;--border:#2b312c;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}a{color:var(--accent)}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}header a{color:inherit;text-decoration:none;display:flex;align-items:center;gap:14px}
.logo{width:52px;height:52px;border-radius:14px;background:#16a34a;display:grid;place-items:center;flex-shrink:0}
h1{font-size:2rem;margin:0}h2{font-size:1.2rem;margin:2em 0 .4em}p,li{color:var(--fg)}.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin:18px 0}
ul{padding-left:1.2em}footer{margin-top:48px;font-size:.9rem;color:var(--muted)}