.YUGO-mp-manage-content {
    width: 1200px;
    padding-bottom: 30px;
    margin: auto;
}

.YUGO-MP-main {
    background: #F7F7F7;
    overflow: hidden;
}

.YUGO-lecture-header {
    width: 100%;
    height: 360px;
    overflow: hidden;
    position: relative;
}

.YUGO-lecture-header>img {
    position: absolute;
    height: 100%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.YUGO-lecture-search {
    width: 738px;
    position: absolute;
    left: 50%;
    top: 237px;
    transform: translateX(-50%);
    z-index: 10;
}

.YUGO-lecture-search-content {
    width: 100%;
    height: 100%;
    position: relative;
}

.YUGO-lecture-search-main {
    width: 575px;
    height: 54px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #ffffff;
    border-radius: 7px;
    overflow: hidden;
    font-size: 0;
}

.YUGO-lecture-search-main input {
    width: calc(100% - 60px);
    height: 100%;
    color: #171717;
    font-size: 16px;
    padding-left: 22px;
    padding-right: 22px;
    display: inline-block;
    vertical-align: top;
    border: none;
    outline: none;
}

.YUGO-lecture-search-btn {
    width: 60px;
    height: 100%;
    background: #10B4B5;
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
}

.YUGO-lecture-search-btn img {
    width: 22px;
    height: 22px;
    margin-top: 15.5px;
    margin-left: 18px;
}

.YUGO-lecture-nav {
    width: 100%;
    padding-left: 30px;
    padding-right: 30px;
    padding-top: 40px;
    padding-bottom: 12px;
    margin-top: 25px;
    background: #ffffff;
    border-radius: 7px;
    font-size: 0;
}

.YUGO-lecture-nav-right {
    width: calc(100% - 58px);
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-nav-right ul li {
    color: #666666;
    font-size: 14px;
    line-height: 14px;
    margin-bottom: 24px !important;
    margin-right: 30px;
    cursor: pointer;
    display: inline-block;
}

.lec-active {
    color: #10B4B5 !important;
    position: relative;
}

.lec-active::after {
    position: absolute;
    height: 32px;
    width: calc(100% + 20px);
    background: rgba(16, 180, 181, 0.1);
    content: '';
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.YUGO-lecture-nav-left {
    width: 58px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-nav-left p {
    color: #171717;
    font-size: 16px;
    line-height: 16px;
}

.YUGO-mp-manage-list {
    width: 100%;
    margin-top: 26px;
}

.YUGO-class-manage-child {
    width: 384px;
    height: 342px;
    background: #FFFFFF;
    /* border: 2px solid #10B4B5; */
    /* border: 1px solid #E8E8E8; */
    border-radius: 5px;
    display: inline-block;
    vertical-align: top;
    margin-left: 22px;
    margin-top: 24px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.YUGO-class-manage-child>img {
    width: 59px;
    height: 25px;
    position: absolute;
    top: 0px;
    right: 0px;
    z-index: 10;
}

.YUGO-class-manage-child:nth-child(1),
.YUGO-class-manage-child:nth-child(2),
.YUGO-class-manage-child:nth-child(3) {
    margin-top: 0px;
}

.YUGO-class-manage-child:nth-child(3n+1) {
    margin-left: 0px;
}

.YUGO-class-manage-img {
    width: 100%;
    height: 218px;
    overflow: hidden;
    position: relative;
}

.YUGO-class-manage-img img {
    min-height: 100%;
    max-width: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.YUGO-class-manage-text {
    width: 100%;
    height: calc(100% - 218px);
    padding: 16px 20px;
    position: relative;
}

.YUGO-class-manage-text>p:nth-child(1) {
    font-size: 16px;
    font-weight: bold;
    color: #000000;
    line-height: 16px;
    margin-bottom: 0px;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    align-content: center;
    white-space: pre-line;
}

.YUGO-class-manage-text>p:nth-child(2) {
    font-size: 14px;
    color: #666666;
    line-height: 14px;
    margin-bottom: 0px;
    margin-top: 20px;
    height: 14px;
}

/* .YUGO-class-manage-text p:nth-child(3) {
    font-size: 12px;
    color: #666666;
    line-height: 16px;
    margin-top: 10px;
} */
.YUGO-mpclass-view-money {
    width: 100%;
    margin-top: 8px;
    display: flex;
    flex-direction: row;
}

.YUGO-mpclass-view-money p:nth-child(1) {
    font-size: 20px;
    font-weight: bold;
    color: #EA2020;
    line-height: 20px;
}

.YUGO-mpclass-view-money p:nth-child(2) {
    font-size: 14px;
    text-decoration: line-through;
    color: #666666;
    line-height: 20px;
    margin-left: 10px;
}

.YUGO-mpclass-view-tip {
    width: 97px;
    height: 39px;
    position: absolute;
    top: 0px;
    right: 0px;
    background: url('https://yuguwechat.oss-cn-shanghai.aliyuncs.com/center/classdetail-tip.png') no-repeat;
    background-size: 100% 100%;
    z-index: 100;
}

.YUGO-class-manage-text p:nth-child(3) span:nth-child(1) {
    padding-right: 10px;
}

.YUGO-class-manage-text p:nth-child(3) span:nth-child(2) {
    padding-left: 10px;
    border-left: 1px solid #E5E5E5;
}

.YUGO-class-manage-text img {
    width: 66px;
    height: 66px;
    right: 14px;
    bottom: 14px;
    position: absolute;
}