.ul_sub_menu {
    color: #2F2F2F;
    background:#ffffff;
    position:absolute;
    width:100%;

}

.ul_container {
    position: relative;
    z-index: 100;
}

.ul_sub_menu li {
    text-indent: 20px;
    line-height: 50px;
    height: 50px;
}

    .ul_sub_menu li.show
    {
        display:block;
        position:relative;
    }


    .ul_sub_menu li.hide{
        display:none;
    }


    /*.ul_sub_menu li.show::after
    {
        content:url("../../img/down_a.png");
        width:20px;
        height:20px;
        position:absolute;
        display:block;
        top:0;          
    }*/

.down {
    width: 20px;
    height: 20px;
    position: absolute;
    display: block;
    top: 50%;
    transform:translateY(-50%);
    right:20px;
    cursor:pointer;   
}

#video_container {
    background-color:#f4f4f4;
    padding-bottom:60px;
}

.text_desc {
    text-align: center;
    color: #2F2F2F;
}



.ul_product {
    overflow: hidden;
    background: #f4f4f4;
    margin:10px auto;
    width: 96%;
    /*border:1px solid #ff0000;*/
    box-sizing:border-box;
}
    .ul_product li {
        float: left;
        width: 48%;
        margin-left: 1%;
        background: #ffffff;
        margin-top:5%;
        padding-bottom:8%;
       
    }
        .ul_product li:nth-child(2n)
        {
            margin-left:2%;
        }


        .ul_product li img {
            display: block;
            width: 80%;
            margin: 20px auto;
            height: 200px;
        }


body {
    background: #f4f4f4 !important;
}


.sub_xx_menu
{
    position:relative;
    z-index:1;
    padding-top:40px;
}


.ul_sub_menu > li
{
    cursor:pointer;
}


.show {
    display: block;   
}
.hide
{
    display:none;
}