.div3{
    background: rgba(0,0,0,0.5);
    position: absolute;
    top:0;
    width:100%;
    height:83px;
    z-index: 2;
}
.header{
    position: absolute;
    width:100%;
    margin: 0 auto;
    height:83px;
    font-size:14px;
    background:rgba(0, 0,0, 0.84);
    color:white;
    z-index: 1000;
}
.hide{
    display:none;
}
.header .cont{
    width:1200px;
    margin:0 auto;

}
.header .logo1{
    vertical-align: top;
    width:260px;
    margin-top:3px;
    margin-left:0px;
    margin-right:20px;
}
.header .logo2{
    position: relative;
    width: 260px;
    top: 2px;
    vertical-align: top;

}

.header .cont .navBox{
    display: inline-block;
    line-height: 100px;
    float:right;
}
.header .cont .navBox>li{
    width:144px;
    height:83px;
    line-height: 83px;
    text-align: center;
    float: left;

}
.header .cont .navBox{
    overflow: hidden;
    height:83px;
}
.header .cont .navBox .url_box{
    position: absolute;
    width:100%;
    height:0;
    top:83px;
    background:rgba(0,0,0,0.6);
    left:0px;
    overflow: hidden;
    color:white;
}
.header .cont .navBox .url_box .inner{
    width:1200px;
    margin:0 auto;
    margin-top:15px;
}
.header .cont .navBox .url_box .inner ul{
    width:720px;
    float: right;
}
.header .cont .navBox>li>span{
    display: block;
}
.header .cont .navBox>li img{
    width: 10px;
    height:6px;
    margin:0 5px;
}
.header .cont .url_box{
    height:278px;
}
.header .cont .url_box a{
    color:white;
}
.header .cont .url_box span{
    margin-left:14px;
}
.header .cont .url_box ul{
    width:1200px;
    margin:0 auto;
    margin-left:540px;
}
.header .cont .url_box li{
    float: left;
    width: 144px;
    line-height: 32px;
    text-align: center;
}
.header .cont .url_box li span:hover{
    color:red;
}