body{margin:0;background:#f4f7f2;color:#173d36;font:16px/1.6 system-ui,-apple-system,sans-serif}header{padding:20px max(24px,calc((100vw - 760px)/2));background:#173d36;color:#fff;font-weight:800}main{max-width:760px;margin:auto;padding:40px 24px 72px}h1{font-size:clamp(28px,5vw,40px);line-height:1.16}h2{margin:30px 0 8px;font-size:20px}p{margin:10px 0 16px}footer{padding:24px;text-align:center;border-top:1px solid #d4dfd6;font-size:13px}