@media screen  and (max-width: 1600px) {

    body:before {
        left: 38%;
        background-position-x: left;
    }

    .header .container {
        width: auto;
        padding: 0 20px;
    }
    .menu > li > a {
        font-size: 16px;
        padding: 0 10px;
    }

    #slide {
        width: 100%;
    }

    .academic:before{
        left: 20%;
        background-position-x: left;
    }

}

@media screen  and (max-width: 1440px) {

    body:before {
        left: 32%;
    }

    .logo img{
        height: 80px;
    }

    .academic:before{
        left: 16%;
    }

}

@media screen  and (max-width: 1280px) {

    body {
        min-width: auto;
        background: none;
    }

    body:before {
        display: none;
    }

}

@media screen and (max-width: 768px) {

    .container {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }

    .header {
        position: relative;
        height: auto;
        background: #fff;
    }

    .header .container {
        padding: 0 10px;
    }

    .logo {
        padding: 10px 0;
    }

    .logo img {
        height: 50px;
    }

    .toggle {
        display: block;
        position: absolute;
        right: 10px;
        top: 20px;
    }

    .query {
        display: block;
        position: absolute;
        right: 45px;
        top: 24px;
    }

    .search span {
        top: 0;
        right: 5%;
        font-size: 36px;
    }

    .nav {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        height: auto;
        margin-top: 0;
        background: rgba(0, 0, 0, .95);
        z-index: 999;
        display: none;
    }

    .menu {
        display: block;
    }

    .menu > li {
        display: block;
        line-height: normal;
    }

    .menu > li > a {
        display: block;
        height: 45px;
        line-height: 45px;
        color: #fff;
        font-size: 16px;
        font-weight: normal;
        padding-left: 22px;
        text-align: left;
        border-bottom: 1px solid #666;
    }

    .menu > li > a:after {
        display: none;
    }

    .menu > li:after {
        position: absolute;
        content: "+";
        top: 0;
        bottom: 1px;
        right: 10px;
        color: #fff;
        font-size: 24px;
        text-align: center;
        width: 45px;
        line-height: 45px;
    }

    .menu > li:last-of-type {
        display: none;
    }

    .menu .second-menu {
        top: 45px;
        background-color: var(--varColor);
    }

    .menu .second-menu li a {
        color: #fff;
        line-height: 45px;
        border-top: 1px solid #fff;
    }

    .swiper-button-prev, .swiper-button-next {
        display: none;
    }

    .title {
        margin-top: 20px;
        height: 60px;
        background-size: contain;
    }

    .title span {
        font-size: 14px;
    }

    .title h2 {
        padding-left: 60px;
    }

    .title h2 a {
        font-size: 18px;
    }

    .more {
        width: 96px;
        height: 25px;
        font-size: 14px;
        padding-left: 40px;
        background-size: contain;
    }

    .news, .notice {
        width: 100%;
    }

    #news .swiper-slide .img {
        height: 458px;
    }

    #news .swiper-slide p a {
        font-size: 18px;
    }

    .news ul {
        margin: 15px 0 -15px;
    }

    .news ul li {
        width: 100%;
        margin-bottom: 15px;
    }

    .news ul li p {
        font-size: 16px;
    }

    .notice ul li {
        height: 75px;
    }
    .notice ul li .date h2 {
        font-size: 24px;
    }
    .notice ul li p {
        font-size: 16px;
    }
    .notice .more {
        display: block;
        margin: 0 auto 20px;
    }

    .heading{
        display: none;
    }

    .academic{
        height: auto;
        background: none;
    }
    .academic .flex{
        flex-direction: column;
    }
    .academic .title{
        display: flex;
        width: 100%;
    }
    #exchange {
        margin: 0 0 30px;
        height: auto;
    }
    #exchange .swiper-slide .txt h2 {
        font-size: 17px;
    }


    .footer {
        font-size: 14px;
        padding: 20px 0;
        line-height: 1.5em;
    }

    .footer ul {
        width: 100%;
        padding-bottom: 20px;
    }

    .footer .code {
        margin-top: 15px;
    }

    .banner{
        margin-bottom: 0;
    }
    .side{
        float: none;
        width: 100%;
        margin: 20px 0;
        padding-bottom: 0;
    }
    .side h1 {
        padding: 15px 0;
        font-size: 22px;
        position: relative;
    }
    .side h1:before{
        content: '+';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 61px;
        font-size: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: .3s;
    }
    .side h1.active:before{
        transform: rotate(45deg);
    }

    .side > ul{
        display: none;
        padding-bottom: 15px;
    }
    .side > ul > li > a {
        font-size: 18px;
        padding: 10px 30px 10px 35px;
    }
    .side > ul > li span {
        height: 46px;
        line-height: 46px;
        font-size: 24px;
    }

    .column {
        margin: 20px 0;
    }
 
    .column > h1 {
        padding: 10px 0;
        margin-bottom: 20px;
    }

    .column > h1 span {
       display: none;
    }

    .common-list li {
        margin-top: 10px;
    }


    .detail {
        margin-right: 0;
    }

    .caption h2 {
        font-size: 20px;
        line-height: 1.5em;
    }

    .caption p span {
        font-size: 14px;
        margin: 0 3px;
    }

    .content {
        padding: 15px 0;
        min-height: 150px;
    }

    .btn {
        margin: 15px 0 0;
        flex-wrap: wrap;
    }

    .btn li {
        width: 100%;
        font-size: 16px;
        margin-bottom: 15px;
    }

    .btn li div {
        margin-top: 10px;
    }

    .teacher-list {
        margin: -15px -5px 0;
    }

    .teacher-list li {
        width: 50%;
        padding: 0 5px;
        margin-top: 15px;
    }

    .leader-list li{
        width: 100%;
    }

}

@media screen and (max-width: 640px) {

    #news .swiper-slide .img {
        height: 212px;
    }

}