.list_m{
    margin: 0 auto;
    padding-top: 16px;
    width: 580px;
    height: 190px;
    background-color: #000000;
    position: relative;
}

.list_m .btnLeft{
    position: absolute;
    left: 10px;
    top: 84px;
    cursor: pointer;
}

.list_m .btnRight{
    position: absolute;
    right: 10px;
    top: 84px;
    cursor: pointer;
}

.list_m .mask{
    margin: 0 auto;
    width: 500px;
    height: 162px;
    position: relative;
    overflow: hidden;
}

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

.detail_m{
    margin: 0 auto;
    width: 580px;
    height: 654px;
    background-color: #007d91;
    position: relative;
}

.detail_m .title{
    position: absolute;
    left: 40px;
    top: 17px;
}

.detail_m .txt{
    position: absolute;
    left: 40px;
    top: 400px;
}

.detail_m .cover{
    position: absolute;
    left: 380px;
    top: 400px;
}

.detail_m .YTVideo_m{
    position: absolute;
    left: 26px;
    top: 54px;
}

.detail_m .btnFree{
    display: block;
    position: absolute;
    left: 378px;
    top: 520px;
}