@media screen and (max-width: 1875px){
  .nav>li>a {
    padding: 10px 20px;
  }
}
@media screen and (max-width: 1705px){
  .nav>li>a {
    padding: 10px 10px;
  }
  .swiperBanner {
    height: 850px;
  }
  .swiper_img {
    height: 100%;
  }
}
@media screen and (max-width: 1635px){
  .menu_right {
    width: calc(100% - 40%);
  }
  .nav>li>a {
    padding: 10px 7px;
  }
  .nav>li>a {
    font-size: 16px;
  }
  .navT>li>a {
    font-size: 14px;
  }
}
@media screen and (max-width: 1480px){
  .logo {
    width: 375px;
    height: auto;
  }
  .menu_right {
    width: calc(100% - 35%);
  }
  .nav>li>a {
    padding: 10px 7px;
    font-size: 16px;
  }
  .navT>li>a {
    font-size: 14px;
  }
  .swiperBanner {
    height: 730px;
  }
}
@media screen and (max-width: 1400px){
  .commonWidth {
    width: 100%;
    box-sizing: border-box;
    padding: 0px 15px;
  }
  .lecture_item_idx + .lecture_item_idx {
    margin-left: 2.9%;
  }
  .news {
    width: 66%;
  }
  .notice {
    width: calc(100% - 70%);
  }
  .news_focus_img>img,
  .lecture_item_idx_img>img {
    width: auto;
    height: 100%;
    margin-left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
  }
  .news_focus>a:hover .news_focus_img>img,
  .lecture_item_idx>a:hover .lecture_item_idx_img>img {
    transform: scale(1.1,1.1) translateX(-50%);
    -webkit-transform: scale(1.1,1.1) translateX(-50%);
    -moz-transform: scale(1.1,1.1) translateX(-50%);
    -ms-transform: scale(1.1,1.1) translateX(-50%);
  }
  .department_cont+.department_cont {
    margin-left: 22px;
  }
}
@media screen and (max-width: 1302px){
  .nav>li>a {
      padding: 10px 5px;
      font-size: 16px;
  }
}
@media screen and (max-width: 1200px){
 .footer_link {
    width: 30%;
 }
 .contact_us {
    width: 50%;
 }
 .swiperBanner {
    height: 600px;
  }
}
@media screen and (max-width: 1200px){
  .nav,
  .commonLeftNav {
    display: none;
  }
  .menu_right {
    width: calc(100% - 65%);
  }
  .moreBg {
    height: 260px;
  }
  .commonLeftNav,
  .commonRightCont,
  .locationTitle,
  .locationNav,
  .academic_list_item_pic,
  .academic_list_item_text,
  .college_dean_intro,
  .college_dean_img,
  .news_list_item_pic,
  .news_list_text {
    width: 100%;
    float: none;
  }
  .location {
    height: auto;
    padding-bottom: 10px;
  }
  .locationTitle>h3,
  .article_cont_title>h3 {
    font-size: 18px;
  }
  .academic_list_item,
  .college_contact {
    padding-top: 20px;
  }
  .academic_list_item_pic {
    width: 100%;
  }
  .academic_list_item {
    padding: 20px 0px;
  }
  .page,
  .page_nav {
    margin-top: 20px;
  }
  .article_cont_title>h3 {
    line-height: 30px;
    margin-bottom: 10px;
  }
  .article_cont_title {
    padding-bottom: 20px;
  }
  .college_introduction table {
    width: 100%;
  }
  .college_introduction table th,
  .college_introduction table tr td {
    font-size: 14px;
    line-height: 30px;
  }
  .college_contact p {
    padding-left: 60px;
    font-size: 14px;
    line-height: 22px;
  }
  .department_cont {
    width: calc(100% - 51%);
  }
  .department_cont+.department_cont {
    margin-left: 0px;
  }
  .department_cont:nth-child(2n) {
    float: right;
  }
  .college_leader {
    margin-top: 20px;
  }
  .college_leader_cont {
    width: 100%;
  }
  .college_leader_title>h3 {
    font-size: 16px;
    text-indent: 1em;
  }
  .college_leader_text {
    padding: 10px 0px;
  }
  .college_leader_text>span {
    font-size: 14px;
    width: 26%;
  }
  .college_leader_text>div>p {
    font-size: 14px;
  }
  .news_list_item {
    padding: 20px 0px;
  }
  .news_list_item_pic {
    height: auto;
  }
  .news_list_text>h3 {
    font-size: 16px;
    max-height: 60px;
    line-height: 30px;
    margin-top: 10px;
  }
  .notice_list_cont_time,
  .notice_list_cont_text {
    width: 100%;
    float: none;
  }
  .notice_list_cont>a:after {
    content: '';
    display: block;
    clear: both;
  }
  .notice_list_cont>a>.notice_list_cont_text {
    width: auto;
    float: left;
    margin-left: 30px;
    margin-top: 4px;
  }
  .notice_list_cont_time>span {
    border-right: 0px;
  }
  .notice_list_cont_time>span {
    font-size: 14px;
    line-height: 22px;
  }
  .notice_list_cont_text>h3 {
    height: 30px;
    line-height: 30px;
  }
  .notice_list_cont {
    padding: 10px;
  }
  .professional_item_title {
    font-size: 16px;
  }
  .professional_item_title>i {
    width: 30px;
    margin-left: 10px;
    margin-right: 10px;
  }
  .professional_intro,
  .teacher_academician {
    margin-top: 20px;
  }
  .profes_list_cont>a {
    padding: 20px 0px;
  }
  .profes_list_pic {
    width: 120px;
    height: auto;
  }
  .profes_list_text {
    width: calc(100% - 140px);
  }
  .profes_list_text {
    padding-top: 10px;
  }
  .profes_list_text>h3 {
    font-size: 16px;
    line-height: 30px;
  }
  .profes_list_text>p {
    margin: 0px 0px;
    height: 84px;
  }
  .teacher_academ_list {
    width: 100%;
    margin-bottom: 20px;
  }
  .teacher_line {
    padding: 15px;
  }
  .teacher_academ_list_text {
    width: calc(100% - 170px);
    padding-right: 10px;
  }
  .teacher_academ_list_text>h3 {
    font-size: 18px;
  }
  .teacher_info {
    padding: 15px;
  }
  .teacher_info_pic {
    width: 120px;
    height: auto;
  }
  .teacher_info_text {
    width: calc(100% - 140px);
  }
  .teacher_info_text>h3 {
    font-size: 16px;
    padding-top: 0px;
    margin-bottom: 0px;
    line-height: 30px;
  }
  .teacher_info_text>p {
    font-size: 14px;
    line-height: 22px;
  }
  .teacher_article_menu>a {
    width: 49%;
    margin-bottom: 10px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
  }
  .teacher_article_menu>a+a {
    margin-left: 0px;
  }
  .teahcer_article_detail h3 {
    margin-top: 20px;
    font-size: 16px;
  }
  .teacher_list_menu {
    padding: 15px 10px;
  }
  .teacher_list_letter>span {
    font-size: 14px;
    line-height: 25px;
    width: 100%;
    float: none;
    padding-left: 15px;
    margin-bottom: 5px;
  }
  .teacher_list_letter>div,
  .teacher_list_cont_item {
    width: 100%;
    float: none;
  }
  .teacher_list_letter>div>a {
    font-size: 14px;
    line-height: 25px;
  }
  .teacher_list_cont {
    margin-top: 20px;
  }
  .teacher_list_cont_item_pic {
    width: 120px;
    height: auto;
  }
  .teacher_list_cont_item_text {
    width: calc(100% - 140px);
    padding-right: 10px;
  }
  .teacher_list_cont_item_text>h3 {
    font-size: 18px;
  }
  .search {
    display: none;
  }
  .headerbtn_bar {
    display: block;
    margin-top: 0px;
  }
  .menu_btn {
    margin-top: 6px;
  }
  .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;
}
.slideTwo {
  background: url(../images/phone_more.png) no-repeat 80% center;
}
.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;
}
.iphone-box>ul>li>ul>li>ul {
  display: none;
  width: 100%;
  background-color: #e5e5e5;
}
.iphone-box>ul>li>ul>li>ul>li {
  display: block;
  width: 100%;
}
.iphone-box>ul>li>ul>li>ul>li>a {
  display: block;
  font-size: 14px;
  color: #000;
  line-height: 30px;
}
}
@media screen and (max-width: 768px){
  .moreBg {
    height: 106px;
  }
  .headerBg {
    height: auto;
    position: static;
  }
  .header {
    padding: 0px 15px;
  }
  .logo {
    margin-top: 0px;
    float: none;
    width: 100%;
    padding-top: 15px;
  }
  .menu_right,
  .news,
  .notice,
  .news_focus,
  .news_list_idx,
  .lecture_item_idx,
  .profession_list_idx_item,
  .footer_link,
  .contact_us,
  .contact_us_cont {
    width: 100%;
    float: none;
  }
  .swiperBanner {
    width: 100%;
    height: 210px;
  }
  .swiper_pagi,
  .swiperPrev, .swiperNext,
  .positionImg {
    display: none;
  }
  .swiper_img {
    height: 100%;
  }
  .swiper_text {
    height: 70px;
    padding: 0px;
  }
  .swiper_text>a>h3 {
    font-size: 18px;
    line-height: 20px;
  }
  .swiper_text>a>span {
    font-size: 16px;
    line-height: 20px;
    margin-top: 5px;
  }
  .infoBg {
    padding: 20px 0px;
  }
  .commonTitle>h3>i {
    font-size: 26px;
  }
  .commonTitle>h3 {
    font-size: 22px;
  }
  .commonTitle>a {
    line-height: 35px;
  }
  .news_cont,
  .notice_idx {
    margin-top: 15px;
    padding: 20px 15px;
  }
  .news_focus {
    border-bottom: 1px solid #9a0000;
  }
  .news_list_idx,
  .notice,
  .lecture_list,
  .profession_list_idx,
  .profession_list_idx_item+.profession_list_idx_item+.profession_list_idx_item,
  .profession_list_idx_item+.profession_list_idx_item {
    margin-top: 15px;
  }
  .notice_idx_item_time>span {
    font-size: 18px;
  }
  .lectureBox,
  .professionalsBox {
    padding: 20px 0px;
  }
  .lecture_item_idx + .lecture_item_idx {
    margin-left: 0px;
    margin-top: 15px;
  }
  .lectureBg,
  .professionalsBg {
    height: auto;
  }
  .profession_list_idx_item:nth-child(2n) {
    float: none;
  }
  .profession_list_idx_item_pic {
    width: 120px;
    height: 140px;
  }
  .profrssion_list_idx_item_text {
    width: calc(100% - 140px);
    padding: 10px 20px 10px 0px;
  }
  .profrssion_list_idx_item_text>p {
    height: 48px;
    overflow: hidden;
    line-height: 24px;
  }
  .footer_shortcut {
    height: 120px;
  }
  .footer_shortcut_list_item {
    height: 100%;
  }
  .footer_shortcut_list_item>a {
    padding-top: 10px;
  }
  .footer_shortcut_list_item>a>i {
    width: 32px;
    height: 36px;
    background-size: 100% !important;
  }
  .footer_shortcut_list_item>a>h3 {
    margin-top: 10px;
    font-size: 14px;
    line-height: 24px;
  }
  .footer_info,
  .contact_us,
  .copyRight {
    margin-top: 20px;
  }
  .footerBg {
    height: auto;
  }
  .code {
    width: 100%;
    float: none;
  }
  .footer_list {
    width: 100%;
  }

  /* 学术风采 */
  .academic_cont {
    padding: 20px 0px;
  }
  .academic_item_cont {
    margin-top: 15px;
  }
  .academic_item_list {
    width: calc(100% - 51%);;
    transform: translateY(0) !important;
    -webkit-transform: translateY(0) !important;
    -moz-transform: translateY(0) !important;
    -ms-transform: translateY(0) !important;
  }
  .academic_item_pic {
    height: 150px;
  }
  .academic_item_pic>img {
    display: block;
    width: auto;
    height: 100%;
  }
  .academic_item_text {
    padding: 10px;
  }
  .academic_item_text>span {
    top: 135px;
  }
  .academic_item_text>h2 {
    font-size: 14px;
  }
  .academic_item_text>p {
    font-size: 12px;
  }
  .academic_item_list:after {
    background: none !important;
  }
  .academic_item_list:nth-child(3),
  .academic_item_list:nth-child(4) {
    margin-top: 20px;
  }
  .academic_item_list:nth-child(2n) {
    float: right;
  }

  /* pku_news */

  .pku_news {
    display: block;
    width: 100%;
    margin-top: 30px;
    margin-bottom: 20px;
    position: relative;
  }
  .pku_news_title {
    width: 143px;
    height: 52px;
    background: url(../images/icon_title_bg_pku.png) no-repeat;
    background-size: cover;
    position: absolute;
    z-index: 5;
    top: -20px;
    left: 0px;
  }
  .pku_news_title>h3 {
    display: block;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 40px;
    text-align: left;
    font-style: normal;
    text-transform: none;
    background: url(../images/icon_title_pku.png) no-repeat 20px;
    padding-left: 30px;
    text-indent: 23px;
    background-size: 17%;
  }
  .swiperBanner_pku {
    width: 100%;
    height: 219px;
  }
  .swiper_box_pku {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  .swiper_img_pku {
    width: 100%;
    height: 100%;
  }
  .swiper_text_pku {
    width: 100%;
    height: 40px;
    background-color: rgba(26, 26, 26, 0.80);
    position: absolute;
    z-index: 5;
    bottom: 0px;
    left: 0px;
  }
  .swiper_text_pku>a>h3 {
    display: block;
    box-sizing: border-box;
    padding: 0px 20px;
    height: 40px;
    overflow: hidden;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 40px;
    text-align: left;
    font-style: normal;
    text-transform: none;
  }

/* 2024年12月20日 */
  .traffic_cont {
    width: 100%;
    padding: 0px 20px 50px;
  }
  .traffic_cont_title {
    width: 100%;
  }
  .traffic_cont_title>h3 {
    text-indent: 0px;
    background: transparent;
  }
  .traffic_detail_cont {
    padding: 30px 20px;
  }
  .traffic_cont+.traffic_cont .traffic_cont_title>h3,
  .traffic_cont+.traffic_cont+.traffic_cont .traffic_cont_title>h3 {
    background: transparent;
  }
  .traffic_cont_title:after {
    display: none;
  }
  .traffic_cont>p {
    padding: 0px 20px;
  }
  .traffic_notice {
    height: auto;
  }
  .traffic_notice>h3 {
    padding: 20px 20px;
    line-height: 30px;
    background: transparent;
  }
  .meet_detail_cont {
    padding: 20px;
  }
  .meet_info {
    padding: 15px;
  }
  .meet_detail_rent_item {
    flex-wrap: wrap;
  }
  .meet_detail_rent_list {
    width: calc(100% - 51%);
    padding: 40px 20px;
    margin-bottom: 30px;
  }
}