body {
    background: #232832;
}

/* 精选课程 */
.course-choiceness {
    background: #393E46;
    padding: 18px;
    height: 894px;
    box-sizing: border-box;
    border-radius: 10px;
}

.choiceness-title {
    font-size: 20px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;
    color: #fff;
    margin-bottom: 12px;
}

.optimization-item {
    width: 282px;
    margin-bottom: 18px;
    cursor: pointer;
}

.optimization-item-title {
    font-size: 18px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;
    color: #fff;
    margin: 8px 0 4px;
}

.optimization-item-name {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.optimization-item-name div:nth-child(1) {
    font-size: 16px;
    font-weight: 400;
    color: #999999;
}

.optimization-item-name div:nth-child(2) {
    font-size: 18px;
    /* font-family: Source Han Sans CN; */
    font-weight: bold;
    color: #FF9657;
    padding: 0 13px;
    border-radius: 6px;
    height: 30px;
    line-height: 30px;
    background: #4A515C;
}

.optimization_url {
    width: 100%;
    height: 188px;
    object-fit: cover;
    border-radius: 10px;
}

.article-info-title {
    font-size: 14px;
    /* font-family: Source Han Sans CN; */
    font-weight: 400;
    /* color: #333333; */
    color: #999;
    height: 62px;
    line-height: 62px;
}

.article-info {
    display: flex;
    justify-content: space-between;
}

.article-info-content {
    width: 864px;
    background: #393E46;
    opacity: 1;
    border-radius: 10px;
    padding: 30px;
    box-sizing: border-box;
    align-self: baseline;
}

.article-content-t {
    font-size: 24px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;
    color: #fff;
}

.article-content-time {
    font-size: 14px;
    /* font-family: Source Han Sans CN; */
    font-weight: 400;
    color: #999999;
    margin-top: 12px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
}

.article-content {
    padding: 24px 0;
    border-top: 1px solid #848EA2;
    border-bottom: 1px solid #848EA2;
}

.article-content img {
    max-width: 100%;
}

.production-name {
    font-size: 16px;
    /* font-family: Source Han Sans CN; */
    font-weight: 400;
    margin-top: 36px;
    color: #999999;
}

.give-info-btn {
    width: 160px;
    height: 50px;
    border-radius: 10px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 36px auto;
    background: #ED6F22;
}

.give-info-btn span {
    font-size: 22px;
    /* font-family: Source Han Sans CN; */
    font-weight: 400;
    color: #FFFFFF;
    margin-left: 18px;
}

.production-info-item {
    width: 250px;
    height: 280px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
    margin: 0 auto;
    cursor: pointer;
}

.student-img {
    width: 100%;
    height: 167px;
    border-radius: 10px;
}

.production-info-bottom {
    width: 100%;
    margin-top: 7px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.production-info-bottom .nametion {
    font-size: 18px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;
    color: #fff;
    /* width: 100%; */
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.production-info-bottom .praise {
    display: flex;
    align-items: center;
}

.production-info-bottom .praise div {
    font-size: 16px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;
    color: #999999;
    margin-left: 5px;
}

.name-time {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
}

.name-time div {
    font-size: 16px;
    /* font-family: Source Han Sans CN; */
    font-weight: 500;

}

.name-time div:nth-child(1) {
    color: #999999;
}

.name-time div:nth-child(2) {
    color: #999999;
}

.production-title {
    display: flex;
    justify-content: space-between;
}

.production-name1 {
    font-size: 14px;
    /* font-family: Source Han Sans CN; */
    font-weight: 400;
    color: #999999;
    margin-top: 8px;
}

/* 头像下拉框 */
.dropdownMenu1-li {
    position: absolute;
    bottom: -170px;
    left: -70px;
}

.dropdownMenu1-li li .box {
    width: 107px;
    height: 36px;
}

.dropdownMenu1-li li .box2 {
    width: 107px;
    height: 36px;
}

.dropdownMenu1-li li .box3 {
    width: 107px;
    height: 36px;
}