#colver{
    width:100%;
    height: 10000px;
    position: absolute;
    left: 0px;
    top: 0px;
    background: #000;
    opacity: 0.5;
    /*ie8的透明滤镜*/
    filter:alpha(opacity=50);
    display: none;
    z-index: 10;
}
#colver span:before{
    content:"x";
}
#colver span{
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height:40px;
    text-align: center;
    border-radius: 20px;
    position: absolute;
    right: 8%;
    top:1373px;
    font-size: 40px;
    cursor: pointer;
    color:white;
    z-index: 12;
}
/*点击后出现在中间的图片层*/
#photo{
    width:0px;/*800px*/
    height: 0px;/*800px*/
    position: absolute;
    top: -600px;
    left: 0;
    z-index: 11;
}
#photo img{
    width: 1000px;
}
#photo p{
    visibility: hidden;
}
#photo p.on{
    visibility: visible;
}

 /*底部下载*/
.contact-info-list li:nth-child(5){
    /*padding-left: 0px;*/
}
.contact-info-list li.contant-dow a{
  color: black;
  display: inline-block;
  width: 100%;
  height: 41px;
}
.contact-info-list li.contant-dow img{
    width:25px;
    height: 25px;
    border: 1px solid transparent;
    border-radius:15px;
    opacity: 0.5;
    margin-right: 10px;
    margin-left: 5px;
    float: left;
}