:root{--bg:#fbf7f5;--card:#fff;--text:#1d1b1a;--muted:#6b6461;--accent:#ff5a55;--line:#ece4e0}
@media (prefers-color-scheme:dark){:root{--bg:#141218;--card:#1e1b24;--text:#f3eff2;--muted:#a59fa8;--line:#2e2a34}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:720px;margin:0 auto;padding:48px 20px 80px}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.mark{width:52px;height:52px;border-radius:13px;background:linear-gradient(160deg,#ff7a6b,#ff4d4f);display:grid;place-items:center;color:#fff;font:800 28px/1 -apple-system,sans-serif;box-shadow:0 6px 18px rgba(255,90,85,.3)}
header a{color:inherit;text-decoration:none}
header .name{font-weight:700;font-size:20px}
header .sub{color:var(--muted);font-size:14px}
h1{font-size:34px;line-height:1.15;margin:8px 0 6px;letter-spacing:-.02em}
h2{font-size:21px;margin:36px 0 8px;letter-spacing:-.01em}
.lead{color:var(--muted);margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin:18px 0}
.card p:first-child{margin-top:0}.card p:last-child{margin-bottom:0}
a{color:var(--accent)}
ul{padding-left:22px}li{margin:4px 0}
nav{display:flex;gap:18px;margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:15px}
nav a{color:var(--muted)}
.updated{color:var(--muted);font-size:14px}