:root{--bg:#F6F3FC;--ink:#2A2540;--ink2:#6B6584;--acc:#6551B5}
@media (prefers-color-scheme:dark){:root{--bg:#16141F;--ink:#EDEAF7;--ink2:#A9A3C2;--acc:#C2AEFF}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:680px;margin:0 auto;padding:40px 16px 80px}
h1{font-size:30px;line-height:1.2;margin:18px 0 4px}
h2{font-size:18px;margin:30px 0 6px}
.muted{color:var(--ink2);margin:0}
a{color:var(--acc)}
.back{text-decoration:none;font-weight:700}
ul{padding-left:22px}