:root{--ink:#202226;--muted:#626872;--paper:#F4F5F7;--line:#DDE0E5}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Arial,"Helvetica Neue",sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 80px}h1{font-size:30px;margin:0 0 6px}h2{font-size:19px;margin:32px 0 6px}
p,li{color:var(--ink)}.muted{color:var(--muted)}a{color:var(--ink)}header{display:flex;gap:10px;align-items:center;margin-bottom:28px;font-weight:bold;letter-spacing:.02em}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
h3{font-size:16px;margin:22px 0 4px}
ul{padding-left:20px}li{margin:4px 0}
.btn{display:inline-block;background:#202226;color:#fff;text-decoration:none;padding:12px 20px;border-radius:12px;font-weight:bold}