BODY, H1, H2, H3, H4, H5, H6, P, BLOCKQUOTE, DL, DT, DD, UL, OL, LI, PRE, FIELDSET, LEGEND, BUTTON,  LABEL,ul{

  padding:0px;

  margin:0px;

  border:0px;
}
*{  
  font-family: "微软雅黑";
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 16px;
}
 

@media screen and (min-width: 1024px) and (max-width: 1400px) {
  
  *{
    font-size: 14px;
 
  }
  .teacher_item_cont_li
  {
    width: 100%;
    height: 26rem;
  }
  
  .commonC_c
  {
    font-size: 1rem;
  }
    .commonC_e
  {
    font-size: 0.57rem;
  
  }
  .news_list_idx_item_title>h3{
    font-size: 1.1rem;
  }
  .notice_idx_item_text > h3
  {
    font-size: 1.1rem;
  }
  .news_focus_text > h3
  {
    font-size: 1.1rem;
  }
 
}
@media screen and (min-width: 1401px) and (max-width: 1800px) {
   
  .teacher_item_cont_li
  {
    width: 100%;
    height: 28rem;
  }
  .commonC_c
  {
    font-size: 1.4rem;
  }
    .commonC_e
  {
    font-size: 0.75rem;
  
  }
}
@media screen and (min-width: 1801px) and (max-width: 2100px) {

  .teacher_item_cont_li
  {
    width: 100%;
    height: 34rem;
  }
   .commonC_c
  {
    font-size: 1.6rem;
  }
    .commonC_e
  {
    font-size: 0.83rem;
  
  }
  .news_list_idx_item_title>h3{
    font-size: 1.1rem;
  }
  .notice_idx_item_text > h3
  {
    font-size: 1.1rem;
  }
  .news_focus_text > h3
  {
    font-size: 1.1rem;
  }
  .news_focus_text>p
  {
    font-size: 1rem;
  }
}
@media screen and (min-width: 2000px) and (max-width: 3000px) {
  
  *{
    font-size: 18px;
 
  }
  .teacher_item_cont_li
  {
    width: 100%;
    height: 40rem;
  }
    .commonC_c
  {
    font-size: 1.8rem;
  }
    .commonC_e
  {
    font-size: 1.03rem;
  
  }
  .news_list_idx_item_title>h3{
    font-size: 1.1rem;
  }
  .notice_idx_item_text > h3
  {
    font-size: 1.1rem;
  }
  .news_focus_text > h3
  {
    font-size: 1.1rem;
  }
  .news_focus_text>p
  {
    font-size: 0.9rem;
  }
}
@media screen and (min-width: 3001px) and (max-width: 5000px) {
  *{
    font-size: 18px;
 
  }
  .news_list_idx_item_title>h3{
    font-size: 1.2rem;
  }
  .notice_idx_item_text > h3
  {
    font-size: 1.2rem;
  }
  .news_focus_text > h3
  {
    font-size: 1.2rem;
  }
  .news_focus_text>p
  {
    font-size: 1rem;
  }
  .teacher_item_cont_li
  {
    width: 100%;
    height: 52rem;
  }
      .commonC_c
  {
    font-size: 2rem;
  }
    .commonC_e
  {
    font-size: 1.2rem;
  
  }
  
}
  
   

img {border:0 none;/* width: 100%; *//* height: 100%; *//* object-fit: cover; */}

ol,ul{ list-style-type:none;}

a { color:#636161; text-decoration:none; outline: medium none;}

.clear { 
  clear:both; 
}
.both:after {
  display: block;
  content: "";
  clear: both;
}
.fl{ float:left}

.fr{ float:right}

 
 
  .swiper_img {
    height: 100%;
  }
  .commonWidth {
    width: 70%;
    height: auto;
    margin: 0 auto;
  }
.logo {
width: 30%;
height: 100%;
min-height: 80px;
overflow: hidden;
 display: flex;
 flex-direction: row;
 margin-top: 1.2rem;
 align-items: center; /* 水平居中 */
justify-content: center; /* 垂直居中 */
background: url('../images/logo_ico_text_800.png') no-repeat center;
background-size: 90%;
 object-fit: contain;
 margin-left: 2rem;
}
.logo_img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.commonA {
  display: block;
  width: 100%;
  height: 100%;
}
.commonB {
  margin-top: 1rem;
  width: 33%;
  height: 100%;
}
.commonC {
 
  align-items: center; /* 水平居中 */
    margin-left: 2%;
    margin-top: 0.3rem;
  width: 60%;
  height: 100%;
  
}
.commonC_c {
   color: #fff;
 
width: 100%;
letter-spacing: 0.5rem;
}
.commonC_e
{
   color: #fff;
    margin-top: -1.1rem;
    
   width: 100%;
   
}
.commonImg {
 
 width: 100%;
height: 100%;
object-fit:cover;
}
input {
  outline: none;
  border: 0;
  background: none;
}
input[type="button"],
input[type="submit"],
input[type="reset"] {
  -webkit-appearance: none;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-thumb {
  border-radius: 3px;
  background-color: #006644;
}

.headerBg {
  width: 100%;
  height: 13%;
  min-height: 130px;
  /*background: url(https://ues.pku.edu.cn/images/header_opacity.png) repeat-x;*/
   
  background: linear-gradient(to bottom, rgba(0, 66, 44, 1), rgba(175, 252, 88, 0.05));
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 10000;
}
.headerBg2 {
   
  background: #006644;
    width: 100%;
  height: 13%;
    min-height: 130px;
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 1000;
   
}
.header {
  width: 100%;
  
  padding: 0px 60px;
}


.menu_right {
  width: calc(100% - 35%);
}
.menu_btn {
  width: auto;
  margin-top: 40px;
  margin-right: 20px;
}
.menu_btn>a {
  display: inline-block;
  font-size: 14px;
  color: #cccccc;
  line-height: 10px;
  padding: 0px 10px;
}
.menu_btn>a+a{
  border-left: 2px solid #cccccc;
}
.menu_btn>a:last-child{
  border-right: 2px solid #cccccc;
}
.headerbtn_bar, .iphone_nav {
  display: none;
}
.headerbtn_bar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  margin-right: 0px;
  font-size: 0;
  cursor: pointer;
  background: url(https://ues.pku.edu.cn/images/nav-btn.png) no-repeat center center ;
  background-size: 60%;
  margin-top: 13px;
  margin-left: 10px;
}
.search {
  position: relative;
  width: auto;
  height: 30px;
  margin-top: 5px;
 
 
}
.search .btn2{
  border-style: none;
  outline: none;
  background:url(https://ues.pku.edu.cn/images/icon_search.png) no-repeat;
  width: 16px;
  height: 16px;
  position:absolute;
  right: 0px;
  top: 0px;
  z-index:99;
  background-size: cover;
  cursor: pointer;
}
.search .btn1{
  border-radius: 5px;
  font-size: 14px;
  height: 30px;
  line-height: 30px;
  position: absolute;
  z-index: 77;
  padding: 0;
  right: -10px;
  top: -5px;
  
  outline: none;
  width: 0;
  color: #fff;
  transition: all 1s ease .1s;
  -webkit-transition: all 1s ease .1s;
  -moz-transition: all 1s ease .1s;
  -ms-transition: all 1s ease .1s;
  -o-transition: all 1s ease .1s;
}
.search .active {
  width: 198px !important;
  
  padding-left: 10px;
  padding-right: 51px;
}

.nav {
  width: auto;
  clear: both;
  margin-top: 3px;
  text-align: right;
  float: right;
}
.nav>li {
  float: left;
  position: relative;
}
.nav>li>a {
  display: block;
  font-size: 18px;
  color: #ffffff;
  line-height: 20px;
  padding: 10px 16px;
  
  
}
.nav>li:hover >a{
  color: #ffffff;
}
.nav>li:hover >a{
  background-image: linear-gradient(#119468, #006644);
  background-color: #006644;
}
.navAct {
  background-image: linear-gradient(#119468, #006644);
  color: #ffffff !important;
  background-color: #006644;
}
.navT {
  display: none;
  position: absolute;
  z-index: 100;
  width: auto;
  left: 0px;
  margin: 0px;
  background: #ffff;
  border-bottom: 2px solid #006644;
}
.navT>li>a{
  display: block;
  color: #525252;
  white-space: nowrap;
  width: auto;
  font-size: 16px;
  line-height: 40px;
  height: 40px;
  text-align: center;
  overflow: hidden;
}
.navT>li>a:hover{
  color: #0c6b08;
}
.navActive {
  background-image: linear-gradient(#0f835c, #006644) !important;
  background-color: #006644 !important;
}
.footerbox
{
  width: 100%;
 
  height: auto;
  z-index: 5000;
  position: absolute;
  margin-top: 3rem;
  
}
.footerBg {
  width: 100%;
 height: 280px;

  z-index: 5000;
  background-color: #006644; 
}
.footer_shortcut {
  width: 100%;
 
  position: absolute;
  min-height: 260px;
 z-index: 6000;
  background-color: #006644;
 
}
.footer_shortcut_list {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.footer_shortcut_list_item {
  width: 16.6%;
  height: auto;
  text-align: center;
}
.footer_shortcut_list_item>a {
  padding-top: 25px;
}
.footer_shortcut_list_item>a>h3 {
  display: block;
  font-size: 18px;
  color: #ffffff;
  line-height: 28px;
  margin-top: 20px;
}
.footer_shortcut_list_item>a>i {
  display: block;
  font-style: normal;
  width: 62px;
  height: 56px;
  margin: 0 auto;
}
.icon_first {
  background: url(https://ues.pku.edu.cn/images/icon_first.png) no-repeat center center;
  background-size: 56px 56px;
}
.icon_sec {
  background: url(https://ues.pku.edu.cn/images/icon_sec.png) no-repeat center center;
  background-size: 56px 56px;
}
.icon_thi {
  background: url(https://ues.pku.edu.cn/images/icon_thi.png) no-repeat center center;
  background-size: 62px 56px;
}
.icon_four {
  background: url(https://ues.pku.edu.cn/images/icon_four.png) no-repeat center center;
  background-size: 56px 56px;
}
.icon_five {
  background: url(https://ues.pku.edu.cn/images/icon_yq.png) no-repeat center center;
}
.icon_six {
  background: url(https://ues.pku.edu.cn/images/icon_six.png) no-repeat center center;
  background-size: 56px 56px;
}
.icon_seven {
  background: url(https://ues.pku.edu.cn/images/icon_seven.png) no-repeat center center;
  background-size: 54px 58px;
}
.icon_eight {
  background: url(https://ues.pku.edu.cn/images/icon_eight.png) no-repeat center center;
  background-size: 44px 59px;
}
.footer_shortcut_list_item:hover {
  background-color: #6d6b6b;
}
 
.footer_link {
  width: 50%;
}
.footer_title {
  display: block;
  font-size: 16px;
  color: #ffffff;
  font-weight: bold;
  line-height: 28px;
  margin-top: 1rem;
}
.footer_title:after {
  display: block;
  content: '';
  width: 21px;
  height: 2px;
  background-color: #006644;
  margin-top: 10px;
}
.footer_list {
  width: 70%;
}
.footer_link_list {
  width: 50%;
}
.footer_link_list>a, .contact_us_cont>p,.contact_us_cont>p a {
  /* display: block; */
  font-size: 14px;
  color: #ffffff;
  line-height: 30px;
  height: 30px;
  overflow: hidden;
}
.contact_us {
  width: 46%;
  background-color: #006644;
}
.contact_us_cont {
  width: 100%;
}
.code {
  width: 140px;
  height: 150px;
  margin-top: -20px;
}
.code>img {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}
.code>h3 {
  display: block;
  text-align: center;
  font-size: 12px;
  line-height: 28px;
  margin-top: 10px;
  color: #fff;
   
}
.copyRight {
  width: 100%;
  height: 60px;
  
  background-color: #029463;
  text-align: center;
 
  
 
 
}
.copyRight>p {
  font-size: 13px;
  color: #ffffff;
  line-height: 60px;
}

.commonBg {
  width: 100%;
  height: 100%;
  padding: 20px 0px 70px 0px;
}
.commonLeftNav {
  width: 240px;
  background-color: #f5f5f5;
}
.commonLeftNavTitle {
  width: 100%;
  height: 80px;
  line-height: 80px;
  text-align: center;
  overflow: hidden;
  background-image: linear-gradient(#128b63, #006644);
  background-color: #006644;
}
.commonLeftNavTitle>h3 {
  display: block;
  font-size: 26px;
  color: #ffffff;
  font-weight: bold;
}
.commonLeftMemu {
  width: 100%;
  height: auto;
  padding: 0px 10px;
}
.commonLeftMemu>li {
  
  text-align: center;
}
.common_icon_arrow {
  display: block;
  width: 18px;
  height: 11px;
  background: url(https://ues.pku.edu.cn/images/icon_arrow_bottom.png) no-repeat;
  position: absolute;
  top: 40%;
  right: 0px;
}
.commonLeftMemu>li>a {
  display: block;
  position: relative;
  font-size: 20px;
  padding: 18px 0px;
  color: #333333;
  border-bottom: 1px solid #e2e2e2;
  font-weight: bold;
}
.commonLeftMemu>li:last-child a{
  border-bottom: 0px;
}
.commonLeftMemu>li>a:hover,
.locationNav>span>a:hover,
.commonLeft_T_Nav>a:hover {
  color: #006644;
}
.commonLeftActive>a,
.commonLeft_T_Nav_act>a {
  color: #006644 !important;
}
.common_icon_arrow_h {
  background: url(https://ues.pku.edu.cn/images/icon_arrow_bottom_h.png) no-repeat !important;
}
.commonLeft_T {
  display: none;
  width: 100%;
  padding: 10px 0px;
  border-bottom: 1px solid #e2e2e2;
  text-align: center;
}
.commonLeft_T_Nav>a {
  display: block;
  font-size: 16px;
  color: #666666;
  line-height: 40px;
}
.commonRightCont {
  width: calc(100% - 280px);
}

.location {
  width: 100%;
  min-height: 47px;
  border-bottom: 1px solid #e2e2e2;
  margin-top: 13px;
}
.locationTitle>h3 {
  display: block;
  font-size: 22px;
  color: #333333;
  padding-left: 15px;
  background: url(https://ues.pku.edu.cn/images/icon_axis.jpg) no-repeat 0px;
}
.locationNav {
  margin-top: 5px;
}
.locationNav>span,
.locationNav>span>a {
  display: inline-block;
  font-size: 14px;
  color: #999999;
}
.locationNav>span>a {
  padding: 0px 5px;
}
.commonLeft_F_nav {
  width: 100%;
  background: #e5e5e5;
}
.commonLeft_F_nav>a {
  display: block;
  font-size: 14px;
  color: #666666;
  line-height: 40px;
}
.commonLeft_F_nav>a+a {
  border-top: 1px solid #fff;
}
.commonLeft_F_nav>a:hover {
  color: #006341;
}