body{margin:0;background:#f4f7fc;color:#102440;font:16px/1.8 system-ui}main{max-width:850px;box-sizing:border-box;margin:40px auto;background:white;border-radius:18px;padding:36px}h1{font-size:clamp(28px,5vw,40px);line-height:1.25}h2{font-size:23px;margin-top:32px}a{color:#1850c0;text-underline-offset:3px}button{padding:12px 17px;border:1px solid #7793bd;border-radius:8px;background:#f0f5ff;color:#17386b;font:600 15px system-ui;cursor:pointer}footer{margin-top:32px;border-top:1px solid #dbe3ee;padding-top:20px}@media(max-width:600px){main{padding:23px;margin:14px}li{margin-bottom:9px}}