:root{font-family:Arial,sans-serif;color:#181b25;background:#fff;line-height:1.65}*{box-sizing:border-box}body{margin:0}header,main,footer{width:min(760px,calc(100% - 40px));margin:auto}header{padding:28px 0;border-bottom:1px solid #e4e6ec}header img{width:152px;height:auto}main{padding:56px 0}h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.08;margin:.25em 0}h2{margin-top:2em;line-height:1.2}p,li{color:#565c6b}a{color:#4054f4;font-weight:600}.eyebrow{color:#4054f4;font-weight:700}.summary{font-size:1.2rem;color:#303543}.note{padding:16px 18px;background:#f5f6ff;border-left:4px solid #5364f5}nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px}footer{padding:28px 0 48px;border-top:1px solid #e4e6ec;color:#656b79}@media(max-width:520px){header,main,footer{width:min(100% - 28px,760px)}main{padding:38px 0}}