.download-content .container{
    width: 790px;
}
.download-content .banner .container{
    width: 100%;
}
.download-content .banner{
    background: #2d343c;
    height: 360px;
    text-align: center;
    position: relative;
}
.download-content .banner .container{
    height: 361px;
    background: url("../images/download_banner.jpg") center no-repeat;
}
.download-content .banner .title{
    font-size: 40px;
    color: #fff;
   padding-top: 60px;
    padding-top: 135px;
    text-align: center;
}
.download-content .banner .title span{
    color: #00b5e6;
    padding-left: 20px;
}
.download-content .banner .nav-tabs{
    position: absolute;
    text-align: center;
    left: 0;
    top:220px;
}
.download-content .banner .nav-tabs li{
    float: none;
    margin-left: 0;
}
.download-content .banner .nav-tabs li:last-child{
    margin-left: 40px;
}
.download-content .banner .nav-tabs li a {
    color: #fff;
    font-size: 28px;
    padding-bottom: 0;
    background-color: #ced1d4;
    padding: 40px 64px;
    position: relative;
}
.download-content .banner .nav-tabs li a:hover,.download-content .banner .nav-tabs li.active a {
    color: #fff;
    border-bottom: 0;
    background: #00b5e6;
}
.download-content .banner .nav-tabs li.active a:before,.download-content .banner .nav-tabs li a:hover:before{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 13.5px 15px 13.5px;
    border-color: transparent transparent #f3f3f3 transparent;
    left: 110px;
    top: 164px;
}
.download-content .tab-content{
    margin: 100px 0;
}
.download-content .download-img{
    width: 56%;
}
.download-content .download-code{
    width:44%;
    text-align: center;
    font-size: 36px;
    margin-top: 50px;
}
.download-content .download-code img{
    width: 180px;
    height: 180px;
    margin-top: 40px;
}