:root{--bg:#0e0f13;--fg:#e9e7e1;--muted:#9a978f;--accent:#f2b84b;--line:#2a2b31}
@media (prefers-color-scheme:light){:root{--bg:#faf8f3;--fg:#1b1a17;--muted:#66625a;--accent:#b5780f;--line:#e2ddd2}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:680px;margin:0 auto;padding:56px 16px 80px}
a{color:var(--accent)}
.mark{font-weight:800;letter-spacing:.02em;font-size:28px;margin:0}
.tag{color:var(--muted);margin:4px 0 40px}
h1{font-size:30px;line-height:1.2;margin:0 0 8px}
h2{font-size:19px;margin:36px 0 8px}
.card{border:1px solid var(--line);border-radius:12px;padding:20px;margin:16px 0}
.card h2{margin:0 0 4px}
.muted{color:var(--muted)}
footer{border-top:1px solid var(--line);margin-top:56px;padding-top:20px;color:var(--muted);font-size:15px}
footer a{margin-right:16px}