body{
    position:relative;
}
.weixin{
    text-align: center;
}
.section{
    position:relative;
}
.weixinimg{
    position:absolute;
    left: 380.25pt;
    width: 225pt;
    height: 225pt;
    
}
.lianxi{
    position:fixed;
    right:7.5pt ;
    top: 20%;
    width: 81pt;
    height: 81pt;
    
    z-index: 10;
    background-attachment: scroll;
}
.lianxi .img-logo{
    width: 60pt;
    height: 60pt;
    background-image: url(../image/QQ.png);
    background-size:80%;
    background-repeat: no-repeat;
    background-position: 15pt 15pt;
    
    

}
.lianxi{
    color:#1292ee;
    text-align: center;
}
@media screen and (max-width:768px){
    .lianxi{
        display: none;
    }
}