body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(135deg,#061b45,#0b2a6f);color:#fff}header{text-align:center;padding:24px}a{text-decoration:none} .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;max-width:900px;margin:24px auto;padding:0 16px}.card{background:rgba(255,255,255,.08);border-radius:18px;padding:22px;color:#ffd700;text-align:center}.box{max-width:420px;margin:40px auto;background:rgba(255,255,255,.08);padding:22px;border-radius:18px}.btn{display:block;width:100%;padding:12px;background:#ffd700;color:#061b45;border-radius:10px;text-align:center;margin-top:10px;font-weight:bold}input{width:100%;padding:12px;margin:8px 0;border-radius:10px;border:0}.footer{text-align:center;padding:24px;opacity:.8}