body{font-family:Arial,sans-serif;background:#0f172a;color:#fff;margin:0}
header{text-align:center;padding:40px;background:linear-gradient(135deg,#2563eb,#06b6d4)}
.logo{width:110px}
.card{max-width:700px;margin:30px auto;background:#1e293b;padding:25px;border-radius:16px}
h2{color:#38bdf8}
ul{line-height:2}
.btn{display:inline-block;background:#2563eb;color:#fff;text-decoration:none;padding:12px 20px;border-radius:10px}
.phone{margin-top:20px;color:#cbd5e1}