.topimg{
    display: block;
    width: 100%;
}
.integration{
    display: block;
    margin: 100px auto;
}
.list_case{
    width: 1300px;
    margin: 20px auto 0;
    overflow: hidden;
    display: none;
}
.list_case li{
    width: 391px;
    height: 305px;
    margin-left: 30px;
    margin-top: 20px;
}
.list_case li img{
    width: 372px;
    height: 209px;
    display: block;
    margin: 0 auto;
}
.list_case li h3{
    width: 85%;
    font-size: 21px;
    text-align: center;
    margin: 15px auto 0;
}
.list_box{
    border-bottom: 1px solid #F0F0F0;
}
.gs_navigation{
    width: 1200px;
    overflow: hidden;
    margin: 0 auto;
}
.gs_navigation li{
    cursor: pointer;
    width: 300px;
    height: 130px;
}
.gs_navigation img{
    width: 77px;
    height: 68px;
    display: inline-block;
    vertical-align: middle;
}
.gs_uncheck{
    width: 50%;
    height: 128px;
    margin: 0 auto;
    text-align: center;
    line-height: 130px;
}
.white{
    display: none!important;
}
.list_According{
    display: block!important;
}