*{margin:0;padding:0;box-sizing:border-box}
body{
    background:#ffffff;
    color:#222;
}

.header{
    padding:20px 30px;
}
.logo{
    font-size:20px;
    font-weight:700;
}
.logo span{
    color:#4da3ff;
}


.container{
    max-width:650px;
    margin:0 auto;
    text-align:center;
    padding:0 20px;
}


.title{
    font-size:36px;
    font-weight:700;
    margin-top:40px;
}

.subtitle{
    margin-top:18px;
    color:#666;
    font-size:14px;
    line-height:1.7;
}

.btn{
    width:260px;
    height:60px;
    background:#000;
    color:#fff;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:14px auto;
    font-size:15px;
}

.pay img{
    height:22px;
    margin-right:10px;
}

img{
    width: 100%;
}

.section-title{
    margin-top:40px;
    font-size:22px;
    font-weight:700;
}

.section-desc{
    margin:10px 0;
    color:#666;
    font-size:18px;
    line-height:1.7;
}

.btn img{
    width: 25px;
}
@media(max-width:768px){
    .title{font-size:26px}
    .btn{width:80%}
}
.bottom{
    margin: 10px 0;
}