:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172328;background:#fff;letter-spacing:0}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #dce3e4}header a:first-child{font-weight:700;color:#172328}a{color:#17684e;text-underline-offset:3px}h1{font-size:36px;line-height:1.15;margin-top:35px}h2{font-size:22px}p{line-height:1.7;max-width:740px}.intro{font-size:18px;color:#45565e}.action{display:inline-block;background:#17684e;color:#fff;padding:14px 22px;border-radius:6px;text-decoration:none;margin:12px 0 30px}section{padding:18px 0;border-top:1px solid #e3e8e8}nav{display:grid;gap:15px}footer{font-size:14px;border-top:1px solid #dce3e4;color:#59666d}footer a{margin-inline-end:20px}@media(max-width:550px){h1{font-size:29px}header{font-size:14px}header,main,footer{padding:20px}}