body{margin:0;font:17px/1.85 Arial,"Microsoft YaHei",sans-serif;color:#263b4e;background:#f8fafc}header,footer{padding:24px max(24px,calc((100% - 1080px)/2));background:#fff;border-bottom:1px solid #dce4ea}header{display:flex;justify-content:space-between;gap:24px}nav{display:flex;gap:20px}a{color:#0666b5}main{max-width:820px;margin:50px auto;padding:0 24px}h1{font-size:38px;line-height:1.3;color:#074978}h2{font-size:24px;color:#074978}section{margin:36px 0}.eyebrow{letter-spacing:.12em;color:#0666b5}.lead{font-size:21px}aside{background:#eaf2f8;padding:28px;border-left:4px solid #0666b5}.cta{display:inline-block;background:#0666b5;color:#fff;padding:10px 22px;text-decoration:none;margin-right:12px}@media(max-width:600px){header{flex-direction:column}h1{font-size:29px}}