.index-slide {
    height: 500px;
    position: relative;
    background-color: #F3F7FF;
}

.index-slide .item-box {
    display: flex;
    overflow: hidden;
}

.index-slide li {
    width: 1920px;
    height: 500px;
}

.flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.index-slide .item-1 {
    background-position: center;
}

.index-slide .slide-block {
    position: absolute;
    display: flex;
    bottom: 20px;
    left: calc(50% - 90px);
}

.index-slide .slide-block li {
    width: 36px;
    height: 4px;
    background: #fff;
    border-radius: 4px;
    opacity: 0.4;
    margin-right: 12px;
}

.index-slide .slide-block li:last-child {
    margin-right: 0;
}

.index-slide .slide-block .cur {
    opacity: 1;
}

.color-999 {
    font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
}

.ellipsis {
    white-space: nowrap;
    /* 保持文本在一行内显示 */
    overflow: hidden;
    /* 超出容器部分隐藏 */
    text-overflow: ellipsis;
    /* 使用省略号表示文本被截断 */
}

.font_14 {
    font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
}

.flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex_start {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.flex_column {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-between;
}

.section-1 {
    background-color: #F3F7FF;
    padding: 38px 0 80px 0;
}

.screen {
    color: #336CFF;
    border-bottom: 2px solid #336CFF;
}

.center-screen {
    color: #336CFF;
    border-bottom: 2px solid #336CFF;
}

.section-1 .nav-top {
    display: flex;
    align-items: center;
    font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #999999;

}

.section-1 .nav-top li {
    display: flex;
    align-items: center;
}

.nav-top img {
    width: 20px;
    height: 20px;
    margin-right: 2px;
}

.section-1 .nav-top a {
    color: #999999;
}

.college-box {
    padding: 25px;
    margin-top: 22px;
    background-color: #fff;
}

.college-box-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #EBEBEB;

}

.college-nav,
.college-center-nav {
    height: 65px;
    display: flex;
    align-items: center;
   font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 16px;
    color: #333333;

}

.college-nav li,
.college-center-nav li {
    height: 65px;
    line-height: 65px;
    margin-right: 32px;
}

.college-box-center {
    padding: 20px 0px;
    border-bottom: 1px solid #EBEBEB;
}

.college-box-center_img {
    width: 280px;
    height: 156px;
    border-radius: 8px;
    overflow: hidden;
}

.college-box-center_img img {
    width: 100%;
    height: 100%;
}

.college-box-center_right {
    width: 848px;
    height: 156px;
    position: relative;

}

.title {
   font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 600;
    font-size: 20px;
    color: #333333;
}

.text {
    font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
}

.text_bottom {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
}

.college-box-Journalism {
    width: 368px;
    height: 305px;
    margin-top: 25px;
}

.college-box-Journalism-img {
    width: 100%;
    height: 156px;
    overflow: hidden;
    border-radius: 8px 8px 0px 0px;
}

.college-box-Journalism-img img {
    width: 100%;
    height: 100%;
}

.college-box-Journalism-bottom {
    padding: 16px 20px;
    border-radius: 0px 0px 8px 8px;
    border: 1px solid #EBEBEB;
}

.college-box-course {
    width: 270px;
}

.college-box-course-img {
    width: 100%;
    height: 156px;
    overflow: hidden;
    border-radius: 8px 8px 0px 0px;

}

.college-box-course-img img {
    width: 100%;
    height: 100%;
}

.college-box-course-bottom {
    padding: 16px 20px;
    border-radius: 0px 0px 8px 8px;
    border: 1px solid #EBEBEB;
}

.college-box-bottom {
    margin-top: 25px;
}

.college-box-bottom-left {
    padding: 0px 25px;
    width: 588px;
    background-color: #ffffff;
    box-sizing: border-box;
}

.college-box-bottom-right {
    padding: 0px 25px;
    width: 588px;
    box-sizing: border-box;
    background-color: #ffffff;

}

.college-box-dynamic_img {
    width: 180px;
    height: 108px;
    overflow: hidden;
    border-radius: 8px 8px 8px 8px;
}

.college-box-dynamic_img img {
    width: 100%;
    height: 100%;
}

.college-box-dynamic_right {
    width: 330px;

}

.college-box-journal {
    width: 100px;
    height: 108px;
    text-align: center;
}

.college-box-journal .year {
    width: 100%;
   font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    margin-top: 10px;
    background-color: #F3F7FF;
}

.college-box-journal .month {
   font-family: 'Source Han Sans', 'Noto Sans CJK SC', sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    margin-top: 20px;
}

.college-box-journal_right {
    width: 420px;
    height: 108px;
}
.font_28{
    font-size: 28px;
}

.item-nav .item{
    display:none;
}
.screen-item .item{
    display:none;
}
.center-screen-box{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.college-nav-a a{
    display:none;
}
.college-center-nav-a a{
    display:none;
}