:root{--ink:#171719;--muted:#77777d;--line:#e9e9ed}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif;font-size:16px;line-height:1.7}
a{color:inherit}
.wrap{max-width:760px;margin:0 auto;padding:28px 24px 80px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:18px;margin-bottom:36px}
.brand img{width:32px;height:32px}
h1{font-size:28px;font-weight:650;letter-spacing:-.03em;margin:0 0 8px}
.meta{color:var(--muted);font-size:13px;margin:0 0 32px}
h2{font-size:18px;margin:28px 0 10px}
p,li{color:#444}
ul{padding-left:1.2em}
.back{display:inline-block;margin-top:40px;color:var(--muted);text-decoration:none;font-size:14px}