:root{--bg:#F6F6F8;--card:#fff;--ink:#15161B;--soft:#5E6372;--line:#E4E5EA;--accent:#FF7A3D}
@media (prefers-color-scheme:dark){:root{--bg:#0B0C10;--card:#16181F;--ink:#F4F4F6;--soft:#A3A7B3;--line:#2A2E39}}
*{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:760px;margin:0 auto;padding:32px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.logo{width:44px;height:44px;border-radius:12px}
.brand{font-weight:900;font-size:24px;letter-spacing:-.5px}.brand span{color:var(--accent)}
h1{font-size:32px;letter-spacing:-.6px;line-height:1.15;margin:8px 0 4px}h2{font-size:21px;margin:32px 0 8px}
.muted{color:var(--soft);font-size:15px}a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px 22px;margin:20px 0}
ul{padding-left:22px}li{margin:4px 0}
footer{margin-top:48px;color:var(--soft);font-size:14px}footer a{margin-right:16px}