body{font-family:Arial,sans-serif;background:#f6f4fb;margin:0}
.container{max-width:480px;margin:auto;padding:20px}
header{text-align:center;padding:30px 0}
h1{color:#6f42c1}
.card,.notice{background:#fff;border-radius:16px;padding:20px;margin:15px 0;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.item{background:#fff;padding:18px;border-radius:12px;text-align:center}
.btn{display:block;text-align:center;background:#7b4dff;color:#fff;text-decoration:none;padding:18px;border-radius:50px;font-weight:bold;margin:25px 0}
footer{text-align:center;padding:20px;font-size:14px}