*{margin:0;padding:0;box-sizing:border-box;}
  body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    background:#00101E;color:#e8edf5;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
  .card{background:#151d2e;border:1px solid #1e2a3a;border-radius:14px;padding:40px 36px;max-width:420px;width:100%;
    text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.5);}
  img{height:38px;filter:brightness(0) invert(1);margin-bottom:22px;}
  h1{font-size:22px;font-weight:700;margin-bottom:8px;}
  p{color:#8892a4;font-size:14px;margin-bottom:26px;line-height:1.5;}
  a.btn{display:inline-block;background:#3b82f6;color:#fff;text-decoration:none;font-weight:600;font-size:14px;
    padding:12px 28px;border-radius:8px;transition:background .15s;}
  a.btn:hover{background:#2563eb;}
  .foot{margin-top:24px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:10px;color:#4a5568;}