*{
    margin:0;
    padding:0
}

html{
    background:#fff
}

a{
    text-decoration:none;cursor:pointer
}

li{
    list-style:none
}

.bannerBox{
    overflow:hidden;right:0;top:0
}

.bannerBox,.imgList{
    width:100%;height:750px;position:relative

}

.imgList{
    left:0;
    -moz-user-select:none;
    -o-user-select:none;
    -webkit-user-select:none;
    -ms-user-select:none;
    user-select:none
}

.imgList li{
    width:100%;height:100%;opacity:0
}

.Box,.imgList li{
    position:absolute;top:0
}

.Box{
    width:1200px;height:750px;margin:0 auto;left:50%;margin-left:-600px
}

.imgList li .text_box{
    width:500px;
    position:absolute;
    top:90px;
    left:50%;
    margin-left:-250px;
    text-align:center;
    color:#fff;
    font-weight:300;
    font-size:38px;
    opacity:0
}

.imgList li .text_box span{
    font-weight:400
}

.imgList li .text_box .small{
    font-size:22px;margin-top:5px;font-weight:200
}

.imgList li .img_box{
    width:1200px;
    height:500px;
    margin:0 auto;
    position:absolute;
    margin-left:-600px;
    top:300px;
    left:50%;
    opacity:0
}

.left,.right{
    width:220px;
    height:100%;
    color:#fff;
    z-index:400;
    -moz-user-select:none;
    -o-user-select:none;
    -webkit-user-select:none;
    -ms-user-select:none;
    user-select:none
}

.left{
    position:absolute;
    left:0
}

.left div{
    cursor:pointer;width:120px;height:120px;border-radius:50%;background:#000;z-index:401;left:-28%;opacity:0
}

.left div,.left div img{
    position:absolute;top:40%
}

.left div img{
    width:15%;left:62%
}

.right{
    position:absolute;right:0
}

.right div{
    cursor:pointer;
    width:120px;
    height:120px;
    border-radius:50%;
    background:#000;
    z-index:401;
    position:absolute;
    top:40%;
    right:-28%;
    opacity:0
}

.right div img{
    width:15%;position:absolute;left:20%;top:40%
}

.imgList li img{
    display:block;margin:0 auto
}

.imgList .li_14 img{
    margin-top:20px;width:36%
}

.imgList .li_13 img{
    margin-top:20px;width:40%
}

.imgList .li_12 img{
    width:45%
}

.imgList .li_11 img{
    width:18%;margin-top:20px
}

.imgList .li_10 img{
    width:18%;margin-top:50px
}

.imgList .li_9 img{
    margin-top:-12px;width:19%
}

.imgList .li_8 img{
    margin-top:70px;width:38%
}

.imgList .li_7 img{
    margin-top:20px;width:65%
}

.imgList .li_6 img{
    margin-top:90px;width:25%
}

.imgList .li_5 .img_box{
    display:-ms-flexbox;
    display:flex;
    -ms-flex-pack:center;
    justify-content:center;
    width:800px;
    margin-left:-400px
}

.imgList .li_5 img{
    width:22%;height:75%;margin-top:50px
}

.imgList .li_4 .img_box{
    display:-ms-flexbox;
    display:flex;
    -ms-flex-pack:center;
    justify-content:center;
    width:800px;
    margin-left:-400px
}

.imgList .li_4 img{
    width:22%;height:75%;margin-top:50px
}

.imgList .li_3 img{
    width:20%;margin-top:10px
}

.imgList .li_2 img{
    width:38%;margin-top:120px
}

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.title_box{top:60px}.session_three{height:200px;margin-top:40px;margin-bottom:40px}.session_three>div{width:32%;position:relative;background:#ccc;margin-left:-10px}.session_three div:first-of-type a{background:url(//img.loock.cn/gongyu-new/pc/index/hezuo.png) no-repeat 50%;background-size:cover}.session_three div:nth-of-type(2) a{background:url(//img.loock.cn/gongyu-new/pc/index/serive.png) no-repeat 50%;background-size:cover}.session_three div:nth-of-type(3) a{background:url(//img.loock.cn/gongyu-new/pc/index/news.png) no-repeat 50%;background-size:cover}