.nav_list_box {
    background: #FFFFFF;
    /* height: 87px; */
    display: flex;
    align-items: center;
    position: -webkit-sticky;
    /* Safari */
    position: sticky;
    top: 0;
    /* 设置吸顶的位置 */
    z-index: 999;
}

.school_info_box {
    width: 183px;

    height: 48px;
}

.school_nav_list {
    flex: 1;
    margin-left: 10%;
}

.school_nav_list>li {
    width: 40%;
    text-align: center;
    padding: 30px 0;
    position: relative;
    cursor: pointer;
}



.suspension_box>li {
    /* padding: 0px 30px; */
    margin-bottom: 15px;
    text-align: center;
    box-sizing: border-box;
}

.suspension_box>li>a {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    white-space: nowrap;
    text-align: center;
}

.suspension_box>li>a:hover {
    color: #C50222;
}

.school_nav_list>.active_nav {
    position: relative;
}

@media screen and (min-width: 750px) {
    .school_nav_list>.active_nav::after {
        content: '';
        position: absolute;
        width: 30px;
        height: 5px;
        background: #C50222;
        border-radius: 3px;
        bottom: 0;
        left: 50%;
        margin-left: -15px;
    }
}


.school_nav_list>li>a {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    cursor: pointer;
}

.school_operate_box {
    margin-left: 40px;
}

.language_box {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    cursor: pointer;
    position: relative;
}

.language_box>img {
    width: 22px;
    height: 21px;
    margin-right: 10px;
}

.language_box:hover .language_pop {
    max-height: 500px;
}

.language_pop {
    position: absolute;
    left: 10%;
    top: 40px;
    background: #FFFFFF;
    border-radius: 0 0 5px 5px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.language_pop>p {
    padding: 0px 15px;
    margin-bottom: 10px;
}

.language_pop>p>a {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    white-space: nowrap;
    text-align: center;
}

.search_icon {
    display: flex;
    align-items: center;
}

.search_icon>img {
    width: 26px;
    height: 26px;
    cursor: pointer;
}

.search_icon .search_input {
    /* width: 20%; */
    display: none;
}

.search_icon .search_input>input {
    width: 100%;
    height: 30px;
    border: 1px solid #333333;
    border-radius: 0.1rem;
    background: none;
    outline: none;
    padding: 0;
    margin: 0;
    font-size: 16px;
    /* 根据需要设置字体大小 */
    color: currentColor;
    /* 使用当前元素的颜色 */
    border-radius: 5px;
}

.language_line {
    width: 1px;
    height: 30px;
    background: #D2D2D2;
    border-radius: 1px;
    margin: 0 20px;
}

/* 轮播 */
.swiper {
    width: 100%;
    height: 893px;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 子页面，左侧公共导航 */
.left_nav_box {
    position: relative;
}

.left_nav_box {
    width: 13%;
}

.left_nav_box .page_title_box {
    position: absolute;
    top: -73px;
    left: 0;
    width: 100%;
    height: 73px;
    background: #B3021F;
    border-radius: 4px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 23px;
    color: #FFFFFF;
    justify-content: center;
    background: url(../static/title_bg.png) no-repeat center;
    background-size: 100% 100%;
}

.page_nav_list {
    background: #FFFFFF;
    border-radius: 4px;
    padding: 0 10px;
}

.page_nav_list li {

    position: relative;
    text-align: center;
    height: 73px;
    border-bottom: 1px solid #D2D2D2;
    box-sizing: border-box;
    line-height: 73px;
    background: #FAFAFA;
}

.page_nav_list li>a {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 17px;
    color: #333333;
}

.page_nav_list li:hover {
    background: #FFFFFF;
}

.page_nav_list li:hover>a>img {
    display: block;
}

.page_nav_list li>a>img {
    display: none;
    width: 13px;
    height: 13px;
    position: absolute;
    right: 0px;
    top: 50%;
    margin-top: -6.5px;
}

.page_nav_list li.active_nav {
    background: #FFFFFF;
}

.page_nav_list li.active_nav>a>img {
    display: block;
}

.nav_list_btn {
    display: none;
}

.navigation_box {
    display: none;
}

@media screen and (max-width: 750px) {
    .school_nav_list {
        display: none;
    }

    .navigation_box {
        display: block;
        margin: 0;
        background: #FFFFFF;
        position: relative;
        z-index: 10;
        border-radius: 0 0 5px 5px;
    }

    .nav_list_box {
        position: relative;
        padding: 0.2rem 0.25rem;
    }

    .navigation_box>li {
        width: 100%;
        padding: 0.35rem 0;
        line-height: 0;
        /* display: flex;
        justify-content: center; */
        position: relative;
        white-space: nowrap;
        font-size: 0.16rem;
    }



    .school_nav_list>li>a {
        font-size: 0.30rem;
    }

    /* .school_nav_list>.active_nav::after {
        display: none;
    } */
     .notafter{
        margin-bottom: 0.25rem;
     }
    .notafter::after {
        display: none;
    }

    .school_nav_list>.active_nav::before {
        content: '';
        position: absolute;
        width: 0.3rem;
        height: 0.05rem;
        background: #C50222;
        border-radius: 3px;
        top: 0.7rem;
        left: 50%;
        margin-left: -0.15rem;
    }

    .nav_list_btn {
        display: block;
        line-height: 0;
        text-align: right;
        margin-left: 0.2rem;
    }

    .nav_list_btn>img {
        width: 0.5rem;
        height: 0.5rem;
    }

    .school_info_box {
        width: 2.5rem;
        height: .68rem;
        line-height: 0;
    }

    .language_box>img {
        width: 0.4rem;
        height: 0.4rem;
    }

    .language_box>span {
        display: none;
    }

    .search_icon {
        width: auto;
        line-height: 0;
    }

    .search_icon>img {
        line-height: 0;
        width: 0.4rem;
        height: 0.4rem;
    }

    .search_icon .search_input {
        /* width: 20%; */
    }

    .search_icon .search_input>input {
        width: 100%;
        height: 0.4rem;
        border: 0.01rem solid #333333;
        border-radius: 0.1rem;
    }

    .school_operate_box {
        flex: 1;
        justify-content: flex-end;
    }

    .language_box>img {
        margin-right: 0.02rem;
    }

    .language_line {
        width: 0.01rem;
        height: 0.30rem;
        background: #D2D2D2;
        border-radius: 0.01rem;
        margin: 0 0.2rem;
    }

    /* 移动端，导航栏 */
    .navigation_pop {
        position: absolute;
        width: 100%;
        top: 1rem;
        left: 0;
        background: #FFFFFF;
        border-radius: 0 0 5px 5px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease;
    }

    .navigation_maxbox {
        display: block;
        max-height: 15rem;

    }

    .navigation_mask {
        position: absolute;
        top: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.2);
        /* display: none; */
    }

    /* .navigation_pop::before{
        position: absolute;
        content: '';
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.2);
    } */

    .navigation_box>li::after {
        position: absolute;
        top: 0.24rem;
        right: 30%;
        content: '';
        width: 0.12rem;
        height: 0.24rem;
        background: #FFFFFF;
        background: url(../static/right_img.png) no-repeat;
        background-size: 100% 100%;
        /* transform: rotate(180deg); */
        transition: transform 0.5s ease;
    }

    .navigation_box>li .suspension_box {
        /* display: none; */
        padding: 0.2rem 0 0 0.3rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease;
    }

    /* .navigation_box>.secondarybox{
        padding: 0.35rem 0 0;
    } */
    .navigation_box>.secondarybox .suspension_box {
        max-height: 8rem !important;
    }

    .navigation_box>.secondarybox:after {
        transform: rotate(270deg);
        transition: transform 0.5s ease;
    }

    .navigation_box>li .suspension_box>li {
        margin-top: 0.5rem;
        margin-bottom: 0.3rem;
    }

    .language_pop {
        left: -0.3rem;
    }

    .left_nav_box {
        width: 100%;
    }

    .page_nav_list li {
        height: 1rem;
        line-height: 1rem;
    }

    .page_nav_list li>a {
        font-size: 0.3rem;
    }

    .left_nav_box .page_title_box {
        font-size: 0.35rem;
        height: 1rem;
        top: -1rem;
    }
    .suspension_box>li>a{
        font-size: 0.26rem;
    }
}

@media screen and (min-width: 750px) {

    /* 悬浮 */
    .suspension_box {
        /* display: none; */
        position: absolute;
        /* left: -50%; */
        width: 100%;
        top: 80px;
        background: #FFFFFF;
        border-radius: 0 0 5px 5px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease;
    }

    .school_nav_list>li:hover>.suspension_box {
        max-height: 500px;
        padding: 15px 0 0 0;
    }
}