.container{
    width: 1200px;
    position: relative;
    margin: 0 auto;
    padding: 0;
}
.bg-img img{
    display: block;
    width: 100%;
}
.nav{
    position: fixed;
    top:67%;
    right:19%;
    z-index: 10;
}
.nav img{
    display: block;
    width: 130px;
}
#download_gotop{
    cursor: pointer;
}
.qcode{
    position: absolute;
    left:37%;
    top:14.8%;
    width: 100%;
}
.qcode>div{
    display: inline-block;
}
.qcode-img img{
    vertical-align: middle;
    width: 120px;
}

.qcode-txt{
    vertical-align: middle;
    margin-left: 10px;
}
.qcode-txt img{
    width: 150px;
}
.qcode-txt p{
    color: #fff;
    font-size: 16px;
    text-shadow: 0 1px 1px #000;
}
.img-get{
    position: absolute;
    left: 23%;
    top: 51.5%;
}
.img-get img{
    margin-left: 5px;
    width: 220px;
}
@media screen and (max-width:1466px) {
    .nav{
        top:57%;
        right:80px;
    }
}