:root{--bg:#fbfaf6;--fg:#1d2320;--muted:#5d6661;--line:#e4e2da;--accent:#2f8f4e;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141816;--fg:#eceee9;--muted:#a3aba5;--line:#2a302c;--accent:#6fcf8a;--card:#1b201d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,#ff8a3d,#e8455f);display:grid;place-items:center;font-size:22px}
.brand{font-weight:700;font-size:18px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:13px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px;letter-spacing:-.01em}
h3{font-size:16px;margin:22px 0 4px}
h2{font-size:19px;margin:32px 0 8px}
p,li{color:var(--fg)}ul{padding-left:22px}
.meta{color:var(--muted);font-size:14px;margin:0 0 24px}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
footer{margin-top:48px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer a{margin-right:16px}