body{font-family:system-ui,sans-serif;background:#f2f5fa;color:#17243b;margin:0;padding:40px 18px}
main{max-width:640px;margin:4vh auto;padding:32px;background:white;border-radius:20px;box-shadow:0 12px 40px #24395812}
h1{font-size:26px}p,li{line-height:1.8}li{margin-bottom:8px}button{background:#3557d6;color:white;border:0;border-radius:10px;padding:15px 22px;font-size:16px;cursor:pointer}label{display:block;margin:24px 0}small{color:#516078}a{color:#3557d6}