:root{--bg:#fbfaf7;--fg:#1f2328;--muted:#5f6670;--line:#e6e2da;--accent:#e8890c;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#17191c;--fg:#e6e8eb;--muted:#9aa1a9;--line:#2c3036;--accent:#f5a524;--card:#1e2125}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 16px 72px}
header{display:flex;align-items:center;gap:12px;margin-bottom:32px}
header img{width:44px;height:44px}
header a{color:inherit;text-decoration:none;font-weight:700;font-size:22px}
h1{font-size:2em;line-height:1.2;margin:0 0 .3em}
h2{font-size:1.25em;margin:2em 0 .4em}
p,li{margin:.45em 0}
a{color:var(--accent)}
.muted{color:var(--muted);font-size:15px}
.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:1.2em 0}
nav.lang{font-size:15px;margin-bottom:24px}
hr{border:0;border-top:1px solid var(--line);margin:48px 0}
footer{margin-top:48px;color:var(--muted);font-size:14px}