*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:#14161f;color:#e8e8ef;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;padding:24px}
.card{max-width:480px;width:100%;background:#1f2230;border-radius:16px;padding:40px 28px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.4)}
h1{margin:0 0 20px;font-size:28px;color:#ffd36b}
p{line-height:1.8;color:#c4c6d4;margin:0 0 12px}
button{margin-top:20px;border:0;border-radius:999px;padding:14px 36px;font-size:16px;background:linear-gradient(90deg,#ffb347,#ff7a3d);color:#1a1a1a;font-weight:600;cursor:pointer}
.hint{font-size:13px;margin-top:12px}