:root{--bg:#f4f6f5;--card:#fff;--ink:#0c2a1b;--muted:#5d6f66;--line:#dfe6e2;--brand:#0b4a2c;--teal:#02d6bf}
@media (prefers-color-scheme:dark){:root{--bg:#0b0d10;--card:#121519;--ink:#f4f6f8;--muted:#8e98a4;--line:#22272e;--brand:#5fe3cf}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}header{display:flex;align-items:center;gap:14px;margin-bottom:24px}
header img{width:72px;height:auto}h1{font-size:28px;margin:0;line-height:1.2}h2{font-size:19px;margin:28px 0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 20px}p,li{color:var(--ink)}.muted{color:var(--muted);font-size:14px}
a{color:var(--brand);font-weight:600}ul{padding-left:20px}