*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f4f6fa;color:#16263d;font-family:Arial,Helvetica,sans-serif;font-size:16px;padding:24px}.card{width:100%;max-width:640px;background:#fff;border:1px solid #e0e5ed;border-radius:12px;padding:40px;box-shadow:0 12px 40px #16263d08}.brand{font-size:20px;font-weight:700;margin:0 0 32px;letter-spacing:.3px}.brand span{display:block;font-size:11px;letter-spacing:2px;color:#68788d;margin-top:8px}.badge{display:inline-block;background:#edf4ff;color:#29568d;font-size:12px;font-weight:700;padding:8px 12px;border-radius:6px}h1{font-size:24px;line-height:1.3;margin:24px 0 16px}p{line-height:1.7;color:#57687c}.notice{padding:16px;background:#f6f8fb;border:1px solid #e6ebf2;border-radius:8px;font-size:14px;margin-top:24px}footer{font-size:12px;color:#66778c;margin-top:32px}@media(max-width:480px){body{padding:16px}.card{padding:24px}}