body{font-family:Arial;padding:24px;max-width:900px;margin:auto;line-height:1.6;}
h1{margin-bottom:10px;}
.card{border:1px solid #ddd;padding:16px;border-radius:8px;margin:12px 0;}
a{color:#0b66c3;text-decoration:none;}
button{padding:8px 12px;margin-top:10px;}
input{margin:6px 0;padding:6px;}