.list_pc{
    margin: 0 auto;
    padding-top: 16px;
    width: 852px;
    height: 179px;
    background-color: #000000;
    position: relative;

    border-bottom: 12px solid #007d91;
    border-left: 12px solid #007d91;
    border-right: 12px solid #007d91;
}

.list_pc .btnLeft{
    position: absolute;
    left: 27px;
    top: 72px;
    cursor: pointer;
}

.list_pc .btnRight{
    position: absolute;
    right: 27px;
    top: 72px;
    cursor: pointer;
}

.list_pc .mask{
    margin: 0 auto;
    width: 640px;
    height: 135px;
    position: relative;
    overflow: hidden;
}

.list_pc .mask .menuVideo{
    position: absolute;
    left: 0;
    top: 0;
    cursor: pointer;
}

.list_pc .mask .menuVideo img{
    position: absolute;
    left: 0;
    top: 0;
}

.detail_pc{
    margin: 0 auto;
    width: 852px;
    height: 352px;
    background-color: #000000;
    position: relative;

    border-top: 12px solid #007d91;
    border-left: 12px solid #007d91;
    border-right: 12px solid #007d91;
}

.detail_pc .YTVideo{
    position: absolute;
    left: 147px;
    top: 20px;
}