:root{--bg:#FBF6EC;--card:#FFFFFF;--ink:#1B2045;--ink2:#4A5079;--line:#E6DCC8;--gold:#B7801F}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#141A33;--card:#1C2342;--ink:#EEF0FA;--ink2:#B3B8D6;--line:#2C3560;--gold:#E8B04B}}
:root[data-theme="dark"]{--bg:#141A33;--card:#1C2342;--ink:#EEF0FA;--ink2:#B3B8D6;--line:#2C3560;--gold:#E8B04B}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:24px 16px 48px}
header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
header img{width:48px;height:48px;border-radius:12px}
header b{font-size:18px}
nav{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;margin:8px 0 24px}
a{color:var(--gold)}
h1{font-size:26px;line-height:1.3;margin:16px 0 4px}
h2{font-size:19px;margin:28px 0 6px}
.muted{color:var(--ink2);font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin:16px 0}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}
footer{color:var(--ink2);font-size:13px;margin-top:40px}