body{
margin:0;font-family:Arial,sans-serif;
background:linear-gradient(135deg,#0f172a,#2563eb);
display:flex;justify-content:center;align-items:center;
height:100vh;color:#fff}
.card{
background:rgba(255,255,255,.08);
padding:48px;border-radius:18px;
text-align:center;backdrop-filter:blur(10px);
max-width:560px;box-shadow:0 10px 30px rgba(0,0,0,.3)}
h1{font-size:3rem;margin:.2em 0}
h2{font-size:2rem;margin:.2em 0}
p{font-size:1.1rem;line-height:1.6}
a{color:#fff}