*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#081221;
color:white;
padding:15px;
}

.container{
max-width:500px;
margin:auto;
text-align:center;
}

.banner{
width:100%;
border-radius:15px;
margin-bottom:20px;
display:block;
}

h1{
font-size:32px;
color:#f4c04d;
margin-bottom:10px;
}

.subtitle{
font-size:18px;
color:#cfcfcf;
margin-bottom:25px;
}

.box{
background:#0d1b31;
border:1px solid rgba(255,255,255,0.1);
border-radius:15px;
padding:20px;
text-align:left;
margin-bottom:25px;
}

.box p{
padding:10px 0;
font-size:18px;
border-bottom:1px solid rgba(255,255,255,0.08);
}

.box p:last-child{
border-bottom:none;
}

.btn{
display:block;
width:100%;
padding:18px;
font-size:22px;
font-weight:bold;
text-decoration:none;
color:white;
border-radius:15px;
background:linear-gradient(90deg,#2463ff,#1fc8ff);
margin-bottom:20px;
}

.footer{
font-size:16px;
color:#bfbfbf;
padding-bottom:20px;
}

@media(max-width:480px){

h1{
font-size:24px;
}

.subtitle{
font-size:16px;
}

.box p{
font-size:16px;
}

.btn{
font-size:18px;
padding:16px;
}

}