.key_discipline {
    width: 100%;
    background-color: #f2f5fa;
}

.discipline_box {
    width: 1200px;
    margin: 0 auto;
}

.discipline_img {
    width: 100%;
    height: 240px;
    line-height: 240px;
    text-align: left;
    background-image: url('../assets/img/dis.png');
    background-position: 0 0;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}


/* 双一流高校 */

.double_img {
    background-image: url('../assets/img/double.png');
}


/* 高校学科结果 */

.assess_img {
    background-image: url('../assets/img/contrast2.png');
}


/* 科研结果图片 */

.scientific_img {
    background-image: url('../assets/img/contrast1.png');
}

h1 {
    color: #fff;
    margin-left: 136px;
    font-size: 47px;
}

.discipline_content {
    padding: 24px 23px 24px 29px;
    background-color: #fff;
    margin-top: 30px;
}


/* 项目介绍 */


/* 标题 */

h2 {
    font-size: 20px;
    color: #34485E;
    position: relative;
    margin-left: 10px;
    line-height: 26px;
    margin-bottom: 16px;
}

h2::before {
    content: '';
    display: block;
    height: 14px;
    width: 4px;
    border-radius: 2px;
    background-color: #409eff;
    position: absolute;
    left: -10px;
    top: 7px;
}


/* 简介 */

.all_msg {
    height: 90px;
    overflow: hidden;
}

.show_all {
    height: 510px;
}

.project_msg {
    font-size: 14px;
    line-height: 22px;
    color: #8C9198;
    text-align: left;
    margin-bottom: 24px;
}

.hidden {
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}


/* 展开更多 */

.show_more {
    width: 100%;
    height: 44px;
    background-color: #F1F1F1;
    line-height: 44px;
    font-size: 16px;
    color: #409eff;
    margin-bottom: 24px;
}


/* 学科信息 */


/* 学科 */

.double_subject_information {
    width: 100%;
    border: 1px solid #eee;
    border-radius: 3px;
    position: relative;
    min-height: 1100px;
}


/* 一级分类 */

.first_classify {
    width: 168px;
    background-color: #409eff;
    position: relative;
}

.first_class_li {
    height: 60px;
    line-height: 60px;
    font-size: 18px;
    color: #fff;
}

.first_class_choice {
    font-weight: bold;
    background-color: #F2F5FA;
    color: #409eff
}


/* 底层 */

.double_subject_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 365px;
    height: 100%;
}


/* 二级分类 */

.second_classify {
    width: 200px;
    height: 100%;
    background-color: #F2F5FA;
    position: absolute;
    top: 0;
    left: 166px;
    overflow: hidden;
    text-align: left;
    padding-left: 10px;
    overflow-y: auto;
}

.second_class_li {
    height: 60px;
    line-height: 60px;
    font-size: 16px;
    color: #8C9198;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.second_class_choice {
    color: #409eff
}


/* 重点学科表单 */

.discipline_table_box {
    width: 755px;
    margin-left: 232px;
}


/* 学科名称 */

.subject_name {
    width: 100%;
    height: 100px;
    line-height: 100px;
    font-size: 20px;
    font-weight: bold;
    color: #34485E;
}


/* 一级学科 */

.first_subject {
    margin-bottom: 75px;
}


/* 提示 */

.subject_tips {
    color: #5B5E63;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: left;
}


/* 学校名称 */

.school_name {
    padding: 20px 0;
}