.white-bg{
    background: #fff;
    font-family: SourceHanSansCN, SourceHanSansCN;
}
.page-width{
    width: 1353px !important;
}
.banner_img{
    width:100%;
    display: block;
}
.floor-partner{
    padding: 75px 0 61px;
}
.floor-partner-title{
    text-align: center;
    font-weight: 800;
    font-size: 31px;
    color: #333333;
    line-height: 23px;
}
.floor-partner-box{
    margin-top:18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.floor-partner-box_img{
    height: 90px;
}
.floor-partner-box_line{
    width: 1px;
    height: 52px;
    background: #A6A6A6;
}
.floor-partner-box_line:last-child{
    display: none;
}
.floor-course{
    background: #DEDEDC;
    padding: 88px 0 125px;
}
.floor-course-title{
    font-weight: 800;
    font-size: 58px;
    color: #333333;
    line-height: 58px;
}
.floor-course-box{
    margin-top:42px;
}
.floor-course-box_tabs{
    border-bottom:2px solid #acacac;
    display: flex;
    flex-direction: row;
    align-items: center;
}
.course_tabs_name{
    font-size: 24px;
    color: #333333;
    padding-bottom:14px;
    margin-right: 40px;
    position: relative;
    cursor: pointer;
}
.tabs_name_active{
    font-weight: 600;
}
.tabs_name_active::after{
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width:100%;
    height: 4px;
    background: #ffba1e;
}
.course_tabs_box{
    margin-top:30px;
    display: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
}
.tabs_content_active{
    display: flex;
}
.course_tabs_box_inner{
    width: calc((100% - 30px)/3);
    background: #fff;
}
.course_tabs_box_inner:nth-child(4),.course_tabs_box_inner:nth-child(5),.course_tabs_box_inner:nth-child(6){
    margin-top:10px;
}
.course_tabs_box_img{
    width: 100%;
    display: block;
    /* height: 163px; */
    height: 248px;
    object-fit: cover;
}
.course_tabs_box_info{
    padding: 15px;
    text-align: center;
}
.course_tabs_box_title{
    font-size: 26px;
    color: #223764;
    line-height: 26px;
    height: 26px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.course_tabs_box_desc{
    font-weight: 300;
    font-size: 23px;
    color: #2F2F2F;
    line-height: 23px;
    height: 23px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top:10px;
}
.floor-intro{
    background: url('f3_bg.png') no-repeat center;
    background-size: cover;
}
.floor-intro-box{
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 500px;
    justify-content: flex-end;
}
.floor-intro-box_r{
    width: 511px;
}
.floor-intro-box__item{
    margin-bottom:90px;
}
.floor-intro-box__item:last-child{
    margin-bottom:0;
}
.floor-intro-box__name{
    font-size: 18px;
    color: #D1E046;
    line-height: 25px;
    font-weight: 400;
}
.floor-intro-box__desc{
    font-weight: 800;
    font-size: 30px;
    color: #FFFFFF;
    line-height: 44px;
    margin-top:15px;
}
.floor-study{
    padding: 23px 0 8px;
}
.floor-study-box{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 90px;
}
.floor-study-box_r{
    width: 721px;
    height: 516px;
    display: block;
}
.floor-study-box_l{
    padding-top:43px;
}
.floor-study-box_l_title{
    font-weight: 800;
    font-size: 58px;
    color: #333333;
    line-height: 58px;
}
.floor-study-box_l_list{
    margin-top:22px;
}
.floor-study-box_l_item{
    padding: 22px 0;
    border-top:1px solid #d2d2d2;
}
.floor-study-box_l_item h2{
    font-size: 18px;
    color: #333333;
    line-height: 18px;
}
.floor-study-box_l_item p{
    margin-top:15px;
    font-size: 18px;
    line-height: 32px;
}
.floor-vision{
    padding: 86px 0;
    background: url('f5_bg.png') no-repeat center;
    background-size: cover;
}
.floor-vision-box_tit{
    font-weight: bold;
    font-size: 60px;
    color: #FFFFFF;
    line-height: 60px;
}
.floor-vision-box_intro{
    font-size: 20px;
    color: #FFFFFF;
    line-height: 30px;
    margin-top:40px;
}