body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1a252f;font-family:system-ui,sans-serif}
.card{background:#fff;padding:48px 56px;border-radius:16px;text-align:center;max-width:500px}
h1{color:#2c3e50;font-size:1.6rem;margin-bottom:12px}
.icon{font-size:3rem;margin-bottom:16px}
p{color:#555;line-height:1.7}