:root{--bg:#E9EDF1;--ink:#1F2A36;--muted:#53687B;--accent:#B5452B}
@media (prefers-color-scheme:dark){:root{--bg:#1F2A36;--ink:#E9EDF1;--muted:#A9B7C6;--accent:#E07A5F}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 Georgia,"Times New Roman",serif}
main{max-width:680px;margin:0 auto;padding:48px 16px}
h1{font:600 28px/1.2 -apple-system,Helvetica,Arial,sans-serif;margin:0 0 4px}
h2{font:600 19px/1.3 -apple-system,Helvetica,Arial,sans-serif;margin:32px 0 8px}
.sub{color:var(--muted);margin:0 0 32px}
a{color:var(--accent)}
footer{margin-top:48px;color:var(--muted);font-size:14px}