body{margin:0;font-family:Arial,sans-serif;background:#0b1020;color:#eaf0ff}
.container{max-width:1100px;margin:0 auto;padding:16px}
header,footer{background:#111827;padding:16px 0}
a{color:#76f2c0;text-decoration:none}
.grid{display:grid;gap:16px}
@media(min-width:768px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:#111a33;padding:16px;border-radius:16px}
button{min-height:44px;padding:12px;border-radius:10px;border:none;background:#76f2c0;color:#000;font-weight:bold;cursor:pointer}
input,textarea{width:100%;min-height:44px;margin:8px 0;padding:8px;border-radius:8px;border:1px solid #334155;background:#0f172a;color:#fff}
.notice{background:#1e293b;padding:12px;border-radius:12px;margin-top:12px}
.small{font-size:12px;color:#b9c7ee}