body{margin:0;background:#f2f7f7;color:#203b42;font:17px/1.7 Arial,sans-serif}main{max-width:900px;margin:40px auto;padding:32px;background:white;border:1px solid #d8e8e5;border-radius:16px}h1{line-height:1.2}h2{font-size:22px;margin-top:30px}a{color:#127f72}nav{display:flex;flex-wrap:wrap;gap:18px}.brand{font-size:13px;letter-spacing:2px;color:#168b78}@media(max-width:600px){main{margin:12px;padding:22px}h1{font-size:29px}}