:root{--ink:#17181C;--soft:#6C7079;--brand:#FF6A00;--line:#DFE2E7;--bg:#F3F4F6}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:24px}header img{width:48px;height:48px;border-radius:11px}
h1{font-size:28px;line-height:1.2;margin:0}h2{font-size:19px;margin:28px 0 8px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin:16px 0}
.muted{color:var(--soft);font-size:14px}a{color:var(--brand)}nav a{margin-right:16px}ul{padding-left:20px}