body{font:16px/1.6 -apple-system,"Segoe UI","Noto Sans HK",sans-serif;color:#1b2421;background:#fff;margin:0;padding:32px 20px}
main{max-width:720px;margin:0 auto}
h1{font-size:26px;margin:0 0 4px}h2{font-size:18px;margin:28px 0 6px}
p,li{max-width:68ch}.muted{color:#56615c;font-size:14px}
nav{margin:0 0 28px;font-size:14px}nav a{margin-right:16px;color:#0e6b6b}
footer{margin-top:40px;font-size:13px;color:#56615c;border-top:1px solid #d8ddda;padding-top:12px}