.mainContent {
    margin: 20px auto 0;
}

.typeBox {
    width: 1200px;
    height: auto;
    background: #FFFFFF;
    border-radius: 5px;
    margin: 0 auto 20px;
    box-sizing: border-box;
}

.typeBox1 {
    padding: 30px 40px;
}

.typeBox1 .types {
    display: flex;
}

.typeBox1 .types .typeTitleBox {
    margin-right: 20px;
    display: flex;
    align-items: center;
    height: 30px;
}

.typeBox1 .types .typeTitleBox .leftBorder {
    width: 3px;
    height: 14px;
    background: #2342F9;
    border-radius: 2px;
    margin-right: 10px;
}

.typeBox1 .types .typeTitleBox .typeTitle {
    width: 60px;
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
}

.typeBox1 .types .box {
    display: flex;
    flex-wrap: wrap;
}

.typeBox1 .types .box .sin {
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #333333;
    cursor: pointer;
    margin-right: 40px;
    box-sizing: border-box;
    line-height: 34px;
    margin-bottom: 10px;
}

.typeBox1 .types .box .sin.active {
    width: auto;
    height: 34px;
    background: #EDF0FF;
    border-radius: 20px;
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #2342F9;
    padding: 0px 17px;
    line-height: 34px;
}

.type_symbol_line {
    width: auto;
    height: 1px;
    background: #E9E9E9;
    margin: 20px auto;
}

.class_content_box {
    width: 1200px;
    height: auto;
    border-radius: 5px;
    margin: 0 auto 20px;
    box-sizing: border-box;
}

.class_content_box .class_list {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
}

/* 资源列表 */

.ziyuan_list {
    padding: 40px;
    width: 100%;
    box-sizing: border-box;
    background-color: #FFFFFF;
    margin-top: 27px;
}

.ziyuan_list .list {
    width: auto;
    height: auto;
    background: #FFFFFF;
    border-radius: 5px;
    border: 1px solid #E9E9E9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 19px 16px;
    margin-bottom: 20px;
}

.ziyuan_list .left_title {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    text-align: left;
}

.ziyuan_list .left_title .title {
    font-size: 14px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #333333;
}

.ziyuan_list .left_title .sub_title {
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
    margin-top: 8px;
}

.ziyuan_list .list .time {
    font-size: 12px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
    margin-right: 40px;
}

.ziyuan_list .list .btn {
    margin-right: 20px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
}

.ziyuan_list .list .btn img {
    margin-right: 10px;
}

.ziyuan_list .list .btn:hover {
    opacity: 0.8;
}

.typeBox {
    width: 1200px;
    height: auto;
    background: #FFFFFF;
    border-radius: 5px;
    margin: 0 auto 20px;
    box-sizing: border-box;
}

.type_lessons {
    display: flex;
    flex-wrap: nowrap;
    width: 1200px;
    height: auto;
    border-radius: 5px;
    margin: 20px auto;
    box-sizing: border-box;
}

.type_main {
    width: 900px;
    height: auto;
    background: #FFFFFF;
    padding: 40px;
    border-radius: 5px;
    box-sizing: border-box;
}

.type_main .title {
    font-size: 24px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #333333;
    line-height: 33px;
}

.type_main .type_content {
    box-sizing: border-box;
    height: auto;
    font-size: 16px;
    font-weight: 500;
    color: #333333;
    line-height: 24px;
    letter-spacing: 2px;
    text-indent: 2em;
}

.type_main .time_resource {
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
    line-height: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #E9E9E9;
    margin-top: 10px;
}

.type_main .time_resource .time {
    margin-right: 40px;
}

.type_main .abstract {
    margin-top: 20px;
    margin-bottom: 27px;
    width: 820px;
    height: auto;
    background: #F7F7F7;
    border-radius: 5px;
    padding: 14px 10px;
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
}

/* .recommond_box .content {} */
/* 推荐课程 */

.type_lessons .type_right {
    display: flex;
    flex-wrap: wrap;
}

.type_lessons .recommond_box {
    width: 280px;
    height: auto;
    background: #FFFFFF;
    border-radius: 5px;
    padding: 20px;
    box-sizing: border-box;
    margin-left: 20px;
    margin-bottom: 20px;
}

.recommond_box .title {
    font-size: 18px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #333333;
    border-bottom: 1px solid #E9E9E9;
    padding-bottom: 14px;
}

.recommond_box .title .more {
    font-size: 12px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
}

.ziyuan_sin {
    margin-top: 20px;
    background: #FFFFFF;
    width: 240px;
    padding: 12px;
    border: 1px solid #E9E9E9;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
}

.ziyuan_sin img {
    margin-right: 12px;
}

.ziyuan_sin .sin_title {
    width: 120px;
    font-size: 14px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #333333;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: keep-all;
}

.ziyuan_sin .text {
    font-size: 12px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
    margin-top: 6px;
}

.ziyuan_sin .download {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
}

.class_sin {
    margin-top: 20px;
    background: #FFFFFF;
    width: 240px;
    padding-bottom: 24px;
    border: 1px solid #E9E9E9;
    border-radius: 8px;
}

.class_sin .class_sin_pic {
    width: 240px;
    height: 175px;
    border-radius: 10px 10px 0 0;
}

.class_sin .class_sin_pic img {
    width: 100%;
    height: 100%;
}

.class_sin .class_sin_title {
    margin: 20px 0 10px 20px;
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: #333333;
    line-height: 21px;
}

.class_sin .class_member_num {
    font-size: 12px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #999999;
    line-height: 17px;
    margin-left: 20px;
    margin-bottom: 30px;
}

.class_sin .priceBox {
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.class_sin .priceBox .price {
    font-size: 20px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #F94423;
    line-height: 28px;
}

.class_sin .priceBox .symbol {
    font-size: 14px;
}

.class_sin .priceBox .detail_btn {
    width: 104px;
    height: 30px;
    background: #2342F9;
    border-radius: 16px;
    text-align: center;
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: #FFFFFF;
    line-height: 30px;
}

.recommond_box .content .empty {
    margin: 67px auto 20px;
    width: 206px;
    height: 156px;
    background: url('../base/images/lesson/tuijian_empty.png') no-repeat;
    background-size: 100% 100%;
}

.recommond_box .content .empty_text {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #999999;
    text-align: center;
}