body{margin:0;background:#edf2f7;color:#172b46;font:16px/1.7 system-ui}main{max-width:800px;margin:32px auto;padding:28px;background:white;border-radius:16px}h1{line-height:1.2}h2{margin-top:30px;font-size:21px}a{color:#185db5}@media(max-width:600px){main{margin:12px;padding:18px}}