:root{--bg:#F4F5FA;--surface:#FFFFFF;--ink:#12162B;--soft:#5A6080;--accent:#2F4FB5;--line:#DFE2EE}
@media (prefers-color-scheme:dark){:root{--bg:#0E1020;--surface:#181B30;--ink:#ECEEF8;--soft:#9AA1C0;--accent:#8AA2F2;--line:#2A2F4A}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 64px}
header{display:flex;align-items:center;gap:16px;margin-bottom:32px}
header img{width:72px;height:72px;border-radius:16px}
h1{font:600 30px/1.2 Georgia,"Times New Roman",serif;margin:0}
h2{font:600 21px/1.3 Georgia,"Times New Roman",serif;margin:36px 0 8px}
p,li{color:var(--ink)}
.soft{color:var(--soft)}
a{color:var(--accent)}
section{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:8px 24px 20px;margin-top:24px}
footer{margin-top:40px;color:var(--soft);font-size:15px}