@media screen and (max-width: 1200px){
  .commonWidth {
    width: 100%;
    padding: 0px 15px;
  }
  .header_top {
    height: auto;
  }
  .nav {
    display: none;
  }
  .headerBg {
    height: auto;
  }
  .header {
    padding: 0px 15px;
  }
  .logo {
    width: 130px;
    height: auto;
    margin-top: 0px;
  }
  .menu {
    width: calc(100% - 67%);
  }
  .idxBtn {
    width: 100%;
  }
  .search {
    float: left;
    margin-top: 0px;
  }
  .language {
    float: left;
    margin-left: 10px;
    margin-top: 0px;
  }
  .headerbtn_bar {
    margin-top: 0px;
    border: 1px solid #A4d1db;
  }
  .banner, .swiperBanner {
    height: 200px;
  }
  .banner {
    margin-top: 20px;
  }
  .swiperPrev {
    right: 50px;
    bottom: 10px;
  }
  .swiperNext {
    right: 10px;
    bottom: 10px;
  }
  .videoNews {
    margin-top: 20px;
  }
  .videopic,
  .videoText,
  .idxNewshot,
  .idxNewsItem {
    width: 100%;
    float: none;
  }
  .videoText {
    padding: 20px;
    height: auto;
  }
  .videoTitle>h3 {
    font-size: 16px;
  }
  .videoTitle>h5 {
    font-size: 12px;
  }
  .video_btn {
    width: 89%;
  }
  .idxNews {
    margin-top: 20px;
    height: auto;
  }
  .idxNewsHotPic {
    height: 257px;
  }
  .idxNewsText {
    width: calc(100% - 30%);
  }
  .idxNewsList+.idxNewsList {
    margin-top: 20px;
  }
  .interview {
    width: 100%;
    height: auto;
  }
  .interviewCont {
    flex-wrap: wrap;
  }
  .interviewItem {
    width: 100%;
  }
  .wonderful {
    height: auto;
  }
  .wonderfulCont {
    flex-wrap: wrap;
  }
  .wonderfulItem {
    width: 50% !important;
    margin-bottom: 20px;
  }
  .wonderfulPic {
    display: none;
  }
  .previous {
    height: auto;
  }
  .previousItem+.previousItem+.previousItem+.previousItem+.previousItem {
    margin-top: 0px;
  }
  .link {
    height: auto;
  }
  .footer {
    height: auto;
  }
  .footerCont span+span {
    margin-top: 10px;
    margin-left: 0px;
  }
  .introduction,
  .newsBox,
  .teacherBox,
  .article {
    padding: 30px 15px;
  }
  .introduction>div>h3,
  .newsBox>div>h3,
  .teacherBox>div>h3,
  .article>div>h3 {
    padding: 0px;
    font-size: 22px;
  }
  .introduction>div>h3:before,
  .introduction>div>h3:after,
  .newsBox>div>h3:before,
  .newsBox>div>h3:after,
  .teacherBox>div>h3:before,
  .teacherBox>div>h3:after {
    display: none;
  }
  .newsPic,
  .newsCont,
  .schedulePic,
  .scheduleTitle {
    width: 100%;
    float: none;
  }
  .newsPic {
    height: 198px;
  }
  .newsCont {
    background: transparent;
    padding: 0px;
    margin-top: 20px;
    height: auto;
  }
  .scheduleTitle {
    height: auto;
    background: transparent;
  }
  .scheduleTitle>span {
    margin-top: 0px;
  }
  .teacherList {
    width: calc(100% - 51%);
    height: auto;
  }
  .teacherList+.teacherList {
    margin-left: 0px;
  }
  .teacherList:nth-child(2n) {
    float: right;
  }
  .teacherTitleBg>h3 {
    font-size: 16px;
  }
  .teacherPic {
    width: 100%;
    height: 134px;
  }
  .teacherPic>img {
    display: block;
    width: 100%;
  }
  .introduction>div {
    margin-top: 20px;
  }
  .teacherArticlePic {
    width: 100%;
    height: 348px;
    float: none;
  }
  .teacherArticleText,
  .contactPic,
  .contactText {
    width: 100%;
    float: none;
  }
  .contactPic {
    height: 281px;
  }
  .contactText {
    padding: 40px 20px;
  }












  .headerbtn_bar {
    display: block;
  }
  .masking {
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    right: 0;
    background-color: transparent;
    transition: all 0.5s ease 0.2s;
    z-index: -1;
  }
  .masking.focus {
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1001;
  }
  .iphone_nav {
    position: fixed;
    display: block;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    margin-left: -40%;
    transition: all 0.6s ease  0.2s;;
    -webkit-transition: all 0.6s ease  0.2s;/*谷歌和safari*/
    -moz-transition: all 0.6s ease  0.2s;/*火狐*/
    -ms-transition: all 0.6s ease  0.2s;/*ie*/
    -o-transition: all 0.6s ease  0.2s;/*opera*/
    z-index: 999999;
  }
  .iphone-box {
    background-color: rgba(255, 255, 255, 0.98);
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 46px;
    padding-top: 80px;
    transition: all 0.6s ease  0.2s;;
    -webkit-transition: all 0.6s ease  0.2s;/*谷歌和safari*/
    -moz-transition: all 0.6s ease  0.2s;/*火狐*/
    -ms-transition: all 0.6s ease  0.2s;/*ie*/
    -o-transition: all 0.6s ease  0.2s;/*opera*/
  }
  .iphone-box>ul>li>a {
    display: block;
    font-size: 14px;
    color: #000000;
    line-height: 40px;
  }
  .iphone-box .active>a {
    color: #9a0000;
  }
  .iphone-box>ul>li>a>i {
    height: 46px;
    width: 16px;
    padding-left: 8px;
    box-sizing: content-box;
    display: inline-block;
    background: url(../images/phone_more.png) no-repeat right center;
    vertical-align: middle;
  }
  .iphone-box>ul>li>ul {
    display: none;
    padding-bottom: 10px;
  }
  .iphone-box>ul>li>ul>li>a {
    display: block;
    font-size: 14px;
    color: #000;
    line-height: 30px;
  }
  .iphone-box>ul>li>ul>li>a strong {
    font-weight: normal !important;
  }
  .iphone_nav.focus {
    margin-left: 0;
    display: block !important;
  }
}