.contactus{font-size: 16px;color: #666;}
.contactus li{line-height: 35px;}
.contactus{
    position: relative;
}
.contactus .wechat-float {
    position: absolute;
    top: 30px;
    right: 431px;
    background: rgba(0,0,0,0.75);
    width: 180px;
    height: 193px;
    text-align: center;
    padding-top: 0.2rem;
    margin-left: 275px;
    display: none;
}


.contactus .wechat-float::before {
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    left: -13px;
    bottom: 91px;
    border-top: 8px solid transparent;
    border-right: 13px solid rgba(0,0,0,0.75);
    border-bottom: 8px solid transparent;
}
.contactus .wechat-float img{
    width: 148px;
    height: 148px;
    display: inline-block;
    margin-top: 9px;
    font-size: 0px;
}
.contactus .wechat-float span {
    display: block;
    color: white;
}
.contactus .wx-number{
    cursor: pointer;
}