body {
    overflow-y: scroll;
}
.onlineCourse {
    /* padding-top: 155px; */
    min-height: calc(100vh - 155px - 308px);
    box-sizing: border-box;
}

.onlineCourse .breadCrumbs {
    color: #333333;
    line-height: 24px;
    margin: 20px auto;
}

.onlineCourse .onlineCourseContent {
    display: flex;
    margin-bottom: 40px;
    min-height: 367px;
}
.onlineCourse .onlineCourseContent .tabs {
    width: 250px;
    margin-right: 20px;
}
.onlineCourse .onlineCourseContent .tabs .tabsItem {
    line-height: 60px;
    padding: 0 30px;
    color: #CC0000;
    border: 1px solid #CC0000;
    cursor: pointer;
}
.onlineCourse .onlineCourseContent .tabs .tabsItem:not(:last-of-type) {
    border-bottom: none;
}
.onlineCourse .onlineCourseContent .tabs .tabsItem.active {
    background: #CC0000;
    color: #fff;
}
.onlineCourse .onlineCourseContent .tabsContent {
    flex: 1;
    min-height: 367px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem {
    box-shadow: 0px 0px 6px 1px rgba(0, 0, 0, 0.2);
    border-radius: 4px 4px 4px 4px;
    padding: 20px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox {
    display: flex;
    flex-wrap: wrap;
    padding: 0 33px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item {
    width: 240px;
    height: 202px;
    box-shadow: 0px 4px 4px 1px rgba(0, 0, 0, 0.25);
    border-radius: 4px 4px 4px 4px;
    margin-bottom: 20px;
    border-bottom: 2px solid #fff;
    background: #fff;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item:hover {
    background: #F6F6F6;
    border-bottom: 2px solid #CC0000;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item:not(:nth-of-type(3n)) {
    margin-right: 52px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item .coverImg {
    width: 240px;
    height: 136px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item .textMsg {
    height: 66px;
    padding: 10px 18px;
    box-sizing: border-box;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item .textMsg .title {
    color: #333333;
    line-height: 18px;
}
.onlineCourse .onlineCourseContent .tabsContent .tabsContentItem .listItemBox .item .textMsg .desc {
    color: #666666;
    line-height: 18px;
}
.onlineCourse .onlineCourseContent .tabsContent .el-pagination {
    text-align: right;
}
.onlineCourse .onlineCourseContent .tabsContent .el-pagination .el-pager .number:hover {
    color: #CC0000;
}
.onlineCourse .onlineCourseContent .tabsContent .el-pagination .el-pager .active {
    background: #CC0000;
}
.onlineCourse .onlineCourseContent .tabsContent .el-pagination .el-pager .active:hover {
    color: #fff;
}
.onlineCourse .onlineCourseContent .tabsContent .noDataBox {
    height: 367px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.onlineCourse .onlineCourseContent .tabsContent .noDataBox .noDataImg {
    width: 77px;
    height: 77px;
    margin-bottom: 12px;
}
.onlineCourse .onlineCourseContent .tabsContent .noDataBox .tips {
    color: #999999;
}