.tabWrap{

    background-color: #f0f0f0;

}

.tab{

    font-size: 0;

    margin-top: 141px;
    width: 1240px;

    margin-bottom: 150px;

}

.tab >a{

    display: inline-block;

    text-align: center;

}



.tab >a .tabActive{

    color: #3888ff;

}

.tab > a> img{

margin-bottom: 19px;

}

.tab > a> div{

font-size: 20px;

    color: #999;

}

.tabInterval1{

margin-right: 252px;

}

.tabInterval2{

margin-right: 263px;

}

.pageWrap{

    margin-top: 100px;

    margin-bottom: 200px;

    text-align: center;

}

.downloadContent{

    font-size: 0;

}

.downloadContent>li{

    vertical-align: text-top;

    display: inline-block;

    background-color: white;

    width: 380px;

    height: 254px;

    text-align: center;

}

.downloadContent>li>img{

    margin-top: 33px;

    margin-bottom: 27px;

}

.downloadContent>li>div{

    position: relative;

    font-weight: bold;

    font-size: 18px;

    line-height: 18px;

    margin-bottom: 14px;

    color: #333;

}

.hoverAfter{

    opacity: 0;

}

.codeLi:hover .hoverAfter{

    /* transition:all 2.5s;

    opacity: 1;

    display: inline-block; */

}

.codeLi:hover .file_describe_hover{



    top: 0;

}



.file_describe,.file_describe_hover{

    font-size: 14px!important;

    

    pointer-events: none;

    padding: 0 10px;

}

.file_describe{

    white-space: nowrap;

    overflow: hidden;

    text-overflow: ellipsis;

    color: #8e8e8e!important;

}

.file_title{

    white-space: nowrap;

    overflow: hidden;
    
    text-overflow: ellipsis;

    padding:  0 !important;

}

.file_describe_hover{

    height: 100%;

    width: 100%;

    transition:all 0.5s;

    position: absolute;

    top: 100%;

    left: 0;

    color: #fff!important;

    background:rgba(0, 0, 0, .7);

}

.file_describe_hover span{

    top: 50%;

    position: relative;

    width: 90%;

    left: 0;

    margin: 0 auto;

    display: block;

    transform: translate(0,-50%);

}



.codeLi:hover .hoverBefore{

   /* display: none; */

}

.hoverBefore>div{

    bottom: 32px;

    /* top: 41px; */

    width: 380px;

    position: absolute;

    font-weight: bold;

    font-size: 18px;

    line-height: 18px;

    margin-bottom: 10px;

    color: #333;

    text-align: center;

    z-index: 1;

}



.hoverBefore>img{

    transition:all 2.5s;

    /*margin-top: 33px;*/

    margin-bottom: 27px;

}

.hoverAfter>img{

    transition:all 2.5s;

}

.hoverAfter>div{

    margin-bottom: 20px;

    font-size: 14px;

    color: #999;

    font-weight: bold;

}

.hoverBefore>span{

    display: inline-block;

    margin-bottom: 20px;

    font-size: 14px;

    color: #999;

    font-weight: bold;

}

.downloadContent>li{

    overflow: hidden;

    vertical-align: text-top;

}

.downloadContent>li>span{

    display: inline-block;

    margin-bottom: 20px;

    font-size: 14px;

    color: #999;

    font-weight: bold;

}

.downloadContent>li>p>a{

    font-size: 14px;

    border: 1px solid #3888ff;

    line-height: 28px;

    text-align: center;

    color: #3888ff;

    border-radius: 20px;

    display: inline-block;

    width: 80px;

}

.downloadInterval{

    margin-right: 30px;

    margin-bottom: 50px;

}