@media (max-width: 980px) {

  body {
    font-size: 14px; 
    line-height: 1.5; 
  }
  h1 { font-size: 22px; }
  h2 { font-size: 20px; }
  h3 { font-size: 18px; }

.header_bg{
display:none;
}
.mobile{display:block;}
.main_cont{
     /* padding:0 20px; */
     box-sizing: border-box;
}


.top,.foot,.news-infomation,.title,.about_us,.news_box,.research,.research-member,.club,.Photo-Gallery,.paper,.join-content,.join,.contact-us,.title-contact,.contact-left,.information,.link-bg{
width:100%;
}
.about_us{padding:0;}
.club{padding:0;}
.main,.news,.research{padding: 0 20px;box-sizing:border-box;}
.mobile_header{
    display: flex;
    justify-content: space-between;
    background: url(../images/header_bg.jpg) repeat;
    height: 60px;
    width: 100%;
    align-items: center;
    padding: 0 10px;
    box-sizing: border-box;
}


.mobile_header  .m_menu img{
    height: 20px;
 }
.mobile_header .m_logo img{
            max-height: 45px;
        display: block;
}
.bag .img {
    position: relative;
    width: 100%;
    border-radius: 0;
}
.bag .img .img_hezi{
    padding-bottom: 25%;
    transition: .5s;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
}

.m_nav{
    padding: 20px 15px;
    height: 100vh;
    display: none;
}
.m_nav li{
    height:30px;
}

.sz_top .img{
width:150px !important;
}
.sz_top .txt{width: calc(100% - 180px) !important;}
.research-bg{padding:20px 0;    background-size: cover}
.research_item{
    flex-direction: column;
}
.research-list{width:100%;margin-bottom: 30px;}
.research-block{
width:100%;
height:auto;
}
.first .info a{
    align-items: center !important;
    flex-direction: column;
}
.first{background: linear-gradient(45deg, #6510AD, #1a71a6);padding: 40px 0;overflow: hidden;}
.research-member .info a::after{
display:none;
}
.first .more{
    margin-top:10px;
}
.info-section-bottom{
width:100%;
}
.member-details1{width:100%;}
.info-section{
    padding: 20px !important;
}
.name{font-size:24px !important;}

.first .info .img{
    width:60% !important;
    max-width:350px;
}
.gallery-wrapper{padding:0 30px;}
.swiper-button-prev{
left: -10px;
}

 .swiper-button-next{
right: -3px;
}
 .title{margin: 25px auto 24px;}
.title h2{font-size:24px !important;}
    .paper-bg{padding:40px 0;}
    .paper{padding:0 20px;box-sizing: border-box;}
.paper-content p{
    padding-left: 15px;
}
.paper p{word-break: break-word;}
.paper a{word-break: break-word;display: inline;}
    .join-content{
    padding: 20px;
    box-sizing: border-box;
}
    .join-student h1{font-size: 16px;}
.link-bg{padding: 20px 0;overflow:hidden;height: auto;}
.link-bg .link{
    margin: 15px auto;
    float: none;
}
.join{padding: 0px 0 40px 0;}
.contact-right{width:100%;margin-top: 0;}

.contact-right iframe{display:block;width:100%;}
.contact-us-bg{height:auto;}
    .contact-us{
    padding: 40px 0 0;
    overflow: hidden;
}
 .contact-right #dituContent{width: 100% !important;}

.info_content p,.infomations-block p,.research-content p,.intro-text,.member-details1 h2, .member-details-link h2,.ardess-list,.information li{font-size: 16px;        line-height: 1.5;}
.research .Areas_of_Focus,.research .research-content h1{font-size:18px;}
.ardess-list{width:auto;}
}