header .back{
    display: none;
}
/*banner开始*/
.banner .linkImg{
    display: block;
    width: 100%;
}
.banner .linkImg img{
    width: 100%;
}
.bannerVideo{
    position: absolute;
    left: 0.46rem;
    top: 0.54rem;
}
.bannerVideo h1{
    font-size: 0.4rem;
}
.bannerVideo h2{
    font-size: 0.3rem;
    /*color: #767676;*/
}
.banner .videoBtn{
    width: 1.6rem;
    height: 0.6rem;
    margin-top: 0.4rem;
}
/*nav开始*/
nav{
    margin-top: 0.3rem;
    padding: 0 0.24rem;
}
nav ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
nav li{
    width: 3.18rem;
    height: 3.18rem;
    margin-bottom: 0.26rem;

}
nav li a{
    display: block;
    width: 3.18rem;
    height: 3.18rem;
}
nav li a img{
    width: 3.18rem;
    height: 3.18rem;
}
/*推荐开始*/
.recommend {
    margin-top: 0.3rem;
}
.recommend li{
    width: 100%;
    height: 3.75rem;
    position: relative;
    margin-bottom: 0.23rem;
}
.recommend li:nth-child(3){
    margin-bottom: 0;
}
.recommend li img{
    width: 100%;
    height: 3.75rem;
}
.recommend li .mask{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: rgba(0,0,0,.5);
    text-align: center;
}
.recommend li h1{
    font-size: 0.24rem;
    color: #fff;
    margin-top: 1.42rem;
}
.recommend li h2{
    font-size: 0.24rem;
    color: #fff;
}
.recommend li .xian{
    width: 0.28rem;
    height: 0.024rem;
    background-color: #d8d8d8;
    margin: 0.16rem auto 0.19rem;
}

/*视频播放开始*/
.videoAlertBox{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    z-index: 6;
    display: none;
}
.videoAlertBox .videoCon{
    position: absolute;
    top: 30%;
    width: 100%;
    left: 0;
    min-height: 40%;
}
.videoAlertBox video{
    width: 100%;
    max-height: 18rem;
}
.videoAlertBox .closeVideo{
    position: absolute;
    top: 0;
    right: .5rem;
    font-size: 1rem;
    color: #fff;
    margin-top: -1.3rem;
    font-family: sans-serif;
}
/*视频播放结束*/