.contentBody {
    background: url(../images/good/background.svg) no-repeat;
    background-size: 100%;
    min-height: calc(100vh - 355px);
}

.contentBody .layui-col-space30 {
    margin: 0;
}

.video-header {
    text-align: center;
    width: 100%;
    height: 260px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background: url('../images/common/banner/banner_01.jpg') #f6f6f6;
}

.video-header .video-header-text {
    font-size: 14px;
    margin-bottom: 50px;
    padding: 30px 0;
}

.video-header .video-header-text h2 {
    font-size: 30px;
    margin: 30px 0;
    color: #333;
    font-weight: bold;
}

.video-header .video-header-text p {
    font-size: 22px;
    line-height: 54px;
    color: #666;
}

.video-container {
    overflow: hidden;
    padding-bottom: 20px;
}

.video-playBox {
    background-color: #000;
    width: 100%;
    height: 100%;
    position: relative;
}

.video-playBox .tcplayer {
    width: 100%;
}

.bg000 {
    box-shadow: 0 2px 4px 0 rgba(7, 17, 27, .06);
}

.bgfff {
    box-shadow: 0 2px 8px 0 rgba(7, 17, 27, .06);
    background-color: #fff !important;
}

.no-shadow {
    box-shadow: 0 0 0 0 rgba(7, 17, 27, .06) !important;
}

.types-title {
    height: 36px;
    background: no-repeat left center/auto 29px;
    margin-bottom: 30px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    width: 100%;
    display: block;
}

.types-title .menu {
    user-select: none;
    float: right;
}

.types-title .menu li.curr {
    color: #e02020;
    font-weight: 700;
}

.types-title .menu li {
    position: relative;
    padding: 0 8px;
    margin: 0;
    float: left;
    font-size: 14px;
    line-height: 30px;
    cursor: pointer;
    color: #545c63;
    transition: all .2s;
}

.l {
    float: left;
}

.r {
    float: right;
}

.new-course .list.show {
    display: block;
}

.new-course .list {
    min-height: 400px;
}

.new-course .list {
    display: none;
}

.new-course .list.show {
    display: block;
}

.new-course .list .item {
    position: relative;
    width: 307px;
    height: 282px;
    margin: 0 24px 24px 0;
    background: #fff;
    box-shadow: 0 6px 10px 0 rgba(95, 101, 105, .15);
    border-radius: 8px;
    float: left;
    transition: all .2s;
}

.new-course .list .item div {
    background-size: cover;
}

.new-course .list .item:nth-child(4n) {
    margin-right: 0;
}

.new-course .list .item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px 0 rgba(95, 101, 105, .15);
}

.new-course .list .item .img {
    height: 152px;
    margin-bottom: 8px;
    border-radius: 8px 8px 0 0;
}

.new-course .list .item .title {
    color: #545c63;
    line-height: 20px;
    height: 40px;
    padding: 0 8px;
}

.new-course .list .item .title.ellipsis2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.new-course .list .item .difficulty {
    display: block;
    color: #9199a1;
    font-size: 12px;
    padding: 0 8px;
    line-height: 24px;
}

.new-course .list .item .bottom {
    font-size: 12px;
    color: #9199a1;
    line-height: 18px;
    padding: 0 8px;
    display: flex;
    justify-content: space-between;
    position: absolute;
    bottom: 5px;
    width: 290px;
}

.new-course .list .item .bottom .red {
    color: #f01414;
}

.new-course .list .item .bottom .delete-line {
    text-decoration: line-through;
}

.new-course .list .item .bottom .discount {
    border: 1px solid rgba(242, 13, 13, .2);
    border-radius: 2px;
    font-size: 12px;
    line-height: 1;
    margin-right: 4px;
    overflow: hidden;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.new-course .list .item .bottom .discount i {
    font-style: normal;
    padding: 3px 4px;
}

.new-course .list .item .bottom .discount i.name {
    color: #fff;
    background-color: rgba(242, 13, 13, .6);
}

.new-course .list .item .bottom .discount i.countdown {
    font-family: DINCondensed, '微软雅黑';
    color: #f76e6e;
    display: flex;
    padding-top: 4px;
    padding-bottom: 2px;
}

.new-course .list .item .bottom .discount i.countdown .day {
    display: inline-block;
    width: 9px;
    height: 12px;
    background: url(../images/video/day.png) no-repeat top/100% auto;
}

.new-course .list .item .bottom .origin-price {
    color: #6d7278;
    line-height: 20px;
    margin-left: 4px;
}

.new-course .list .item .bottom .price {
    line-height: 20px;
    margin-right: 2px;
}

.new-course .hot::before,
.new-course .new::before,
.new-course .up::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 25px;
    background: no-repeat center/100%;
    z-index: 1;
}

.new-course .hot.new::before,
.new-course .new.new::before,
.new-course .up.new::before {
    background-image: url(../images/video/icon-new3860.png?v=1);
}

.new-course .hot.hot::before,
.new-course .new.hot::before,
.new-course .up.hot::before {
    background-image: url(../images/video/icon-hot3860.png?v=1);
}

.new-course .hot.up::before,
.new-course .new.up::before,
.new-course .up.up::before {
    background-image: url(../images/video/icon-up3860.png?v=1);
}

.imgText {
    padding: 30px;
    color: #fff;
    font-size: 24px;
    line-height: 38px;
    height: 80px;
    overflow: hidden;
    -webkit-line-clamp: 3;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    width: 247px;
}

.playBox {
    padding: 20px;
    background: #fff;
    overflow: hidden;
    border-radius: 18px;
}

.playBox .title {
    line-height: 60px;
    font-size: 24px;
    width: 100%;
    text-align: center;
}

.playBox .iconBox {
    font-size: 12px;
    padding: 0 120px 0 120px;
    display: flex;
    justify-content: space-between;
    line-height: 50px;
    border-bottom: 1px dotted #e5e5e5;
    margin-bottom: 20px;
}

.playBox .iconBox i {
    font-size: 12px;
    padding-right: 10px;
}

.playBox .videoContentBody img {
    width: 100%;
}

.pop-up-invite .main {
    height: 228px;
}

.pop-up-invite .main .content {
    padding: 20px;
    line-height: 30px;
}

.versions {
    border: 1px solid rgba(242, 13, 13, .2);
    border-radius: 2px;
    font-size: 12px;
    line-height: 1;
    margin-right: 4px;
    overflow: hidden;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    position: absolute;
    top: 5px;
    left: 10px;
}

.versions i {
    font-style: normal;
    padding: 3px 4px;
}

.versions i.name {
    color: #fff;
    background-color: rgba(242, 13, 13, .6);
}