body{margin:0;background:#f5f7f8;color:#20302d;font:16px/1.8 system-ui,sans-serif}main{max-width:760px;margin:48px auto;padding:32px;background:white;border-radius:16px}h1{font-size:30px}h2{font-size:21px;margin-top:32px}a{color:#126b58}nav{display:flex;gap:20px;flex-wrap:wrap;border-top:1px solid #ddd;margin-top:32px;padding-top:20px}.muted{color:#64736e}.button{display:inline-block;background:#126b58;color:white;padding:10px 20px;border-radius:8px;text-decoration:none}@media(max-width:820px){main{margin:16px;padding:24px}}