.banner_nextpage{
    margin: 0 auto 0;
    width:100%;
    position: relative;
    z-index: 1;
}
.banner_nextpage .video_son{

    margin:0 auto;
}
.banner_nextpage .lunbo{
    position: relative;
}
.banner_nextpage .lunbo .swiper-container{width:100%;}
.banner_nextpage div.bg {

height: 32.4em;

background-size: auto 100%;

background-position: center;

background-repeat: no-repeat;
}
.banner_nextpage .item{
    width:100%;
    height:100%;
    position: relative;
}



/**
分页器样式
 */
.banner .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction{bottom:0px;}
.banner .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
    width: 5.4em;
    height: .2em;
    border-radius: 0;
    margin-bottom: 2em;
}
.pro_show{
    width: 60em;
    margin: 3em auto;

}
.pro_show .bd{width:100%;}
.pro_show .content{
    text-align: center;
    padding: 1em 0 0;
    font-size: .9em;
}
.pro_show .pic_show{
    width:100%;
    margin: 2em auto 0;
}
.pro_show .pic{
    width: 18.7em;
    height: 16em;
    float: left;
    margin-right: 1.945em;
    overflow: visible;
}
.pro_show .pic.last{margin-right:0;}
.pro_show .pic .v16_9_inner{
    background-size:cover;
    background-position:center;
}
.pro_show .p1{
    margin: .8em;
    font-size: 1em;
    text-align: center;
    font-family: PingFangSC-Semibold, "Microsoft YaHei", Arial, sans-serif;
    font-weight: bold;
}
.pro_show .p2{
    margin:1em;
    text-align: center;
    color:#696969;
}
.pro_show .pic_inner{
    position: relative;
    width:100%;
    display: block;
}
.pro_show .product_bg{
    background-color: rgba(255,255,255,0.6);
    width: 100%;
    height: 100%;
    position: absolute;
    top:0;
    left:0;
    text-align: center;
    padding: 0 1em;
    display: none;
}
.pro_show .product_bg .txt{
    position: absolute;
    display: block;
    font-size: .9em;
    width: 100%;
    top: 50%;
    left: 0;
    transform: translate(0%, -50%);
    color: #000;
    padding: 0 1em;
}

.pro_show .pic:hover .product_bg{display:block;}
.pro_show .show_a{
    font-weight: bold;
    color: #534096;
    text-align: center;
    font-family: PingFangSC-Semibold, "Microsoft YaHei", Arial, sans-serif;
}
.section4{
    width: 60em;
    margin: 2em auto 0;
}