:root{--bg:#f4f6f9;--surface:#fff;--ink:#0f1c2a;--ink-2:#3a4858;--muted:#677587;--line:#dfe4ea;--accent:#e8590c}
@media (prefers-color-scheme:dark){:root{--bg:#0b1118;--surface:#121b25;--ink:#e8edf3;--ink-2:#c1cbd6;--muted:#93a2b3;--line:#22303e;--accent:#ff7a33}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}
.top{max-width:760px;margin:0 auto;padding:22px 16px}
.brand{display:inline-flex;align-items:center;gap:6px;color:var(--ink);text-decoration:none;font-weight:800;font-size:24px;letter-spacing:-.035em}
main{max-width:760px;margin:0 auto 40px;padding:32px 24px;background:var(--surface);border:1px solid var(--line);border-radius:18px}
h1{font-size:clamp(30px,6vw,40px);line-height:1.1;margin:0 0 6px;letter-spacing:-.02em}
h2{font-size:20px;margin:30px 0 8px}
.meta{color:var(--muted);margin:0 0 20px;font-size:15px}
p,li{color:var(--ink-2)}
ul{padding-left:22px}
li{margin:4px 0}
a{color:var(--accent)}
footer{max-width:760px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:14px}
footer a{color:var(--muted)}
@media (max-width:600px){main{padding:24px 18px;border-radius:14px;margin:0 12px 32px}}