body{margin:0;background:#f5f5f7;color:#1d1d1f;font:16px/1.7 system-ui}main{max-width:820px;margin:0 auto;padding:52px 24px}h1,h2,h3{line-height:1.2;margin-top:36px}a{color:#06c}li{margin:12px 0}