.content{
    width:1610px;
    margin:0 auto;
}
.firstcategory{
    width:100%;
}
.firstcategory_list {
    display: flex;
    flex-wrap: wrap;
}
.firstcategory_item {
    background: #E9EDF0;
    border-radius: 10px;
    font-size: 16px;
    text-align: center;
    margin-right: 31px;
    margin-left: 31px;
    margin-top: 20px;
    box-sizing: border-box;
    cursor: pointer;
    width: 139px;
    height: 36px;
    line-height: 36px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.secondcategory {
    width: 95%;
    margin: 0 auto;
    margin-top:40px;
}

.secondcategory_list {
    display: flex;
    flex-wrap: wrap;
}

.secondcategory_item {
    font-size: 16px;
    margin-right: 20px;
    margin-left: 20px;
    margin-top: 10px;
    cursor: pointer;
    color: #666;
    width: 129px;
    text-align: center;
    border: 1px solid;
    padding: 2px 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


.productlist {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-bottom:200px;
}
.product_item{
    width:49%;
    margin-top:80px;
    cursor:pointer;
}
.product_img {
    width:100%;
}
.product_img video{
    width:100%;
    height:100%;
}
.product_name{
    width:100%;
    text-align:center;
    margin-top:20px;
    font-size:18px;
}
.firstselect {
    background: #D8D8D8;
}
.secondselect {
    color: #390062;
    border-color: #390062;
}

.oneImg{
    width:100%;
}
.oneImg img{
    width:100%;
}