/* 统一宽度 */
.head_cen,
.nav_cen,
.dt_gg_cen{
    width: 1700px;
    margin: auto;
}
.title{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    height: 60px;
    margin-bottom: 40px;
}
.title p{
    font-size: 36px;
    color: #333333;
    line-height: 42px;
    position: relative;
    padding-right: 30px;
}
.title p::before{
    content: "";
    position: absolute;
    width: 32px;
    height: 4px;
    background-color: #98061B;
    bottom: 0;
    left: 0;
}
.title a{
    font-size: 14px;
    line-height: 35px;
    color: #808080;
}

/* 动态效果 */
.dt_img img,
.xwdt_rig li a img,
.xwdt_rig li a p,
.tzgg_rig,
.msjt .msjtbd li img,
.ztzl_list ul li img,
.foot_rig ul li{
    transition: all .3s linear;
    overflow: hidden;
}
.dt_img img:hover,
.xwdt_rig li:hover a img,
.msjt .msjtbd li:hover img,
.ztzl_list ul li:hover img{
    transform: scale(1.1);
}
.tzgg_rig:hover{
    transform: translateX(10px);
    color: #98061B;
}
.foot_rig ul li:hover{
    transform: translateX(10px);
}
.xwdt_rig li:hover a p{
    color: #98061B;
}


/* 头部 */
.head_fa{
    position: fixed;
    width: 100%;
    z-index: 99;
    background-color: #ffffff;
}
.head{
    width: 100%;
    height: 136px;
    background-color: #98071B;
}
.head_cen{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
}
.head_rig{
    display: flex;
    flex-direction: row;
    align-items: center;
}
.head_rig ul{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
.head_rig ul li{
    font-size: 16px;
    color: #ffffff;
    line-height: 24px;
    font-weight: 400;
    margin: 0 20px;
    position: relative;
}
.head_rig ul li::before{
    content: "";
    position: absolute;
    width: 2px;
    height: 24px;
    background-color: #ffffff;
    left: -21px;
    top: 0;
}
.head_rig ul li:nth-child(1):before{
    content: none;
}

/* 导航 */
.nav{
    width: 100%;
    height: 60px;
}
.nav_cen #nav{  
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.nav_cen .nLi{
    line-height: 60px;
    float: left;
    width: 120px;
    text-align: center;
    font-size: 18px;
    color: #333333;
    font-weight: 400;
    position: relative;
}
.nav_cen .nLi .sub{
    z-index: 9;
    position: absolute;
    background: #ffffff90;
    border-top: 3px solid #98071B;
    border-bottom: 1px solid #CECDCD;
    border-left: 1px solid #CECDCD;
    border-right: 1px solid #CECDCD;
    width: 750px;
    display: none;
    padding: 10px;
}
.nav_cen .nLi:nth-child(n+7) .sub{
    left: -630px;
}
.nav_cen .nLi:nth-child(n+7) .sub .sub_img{
    float: right !important;
    margin-right: auto !important;
    margin-left: 35px;
}
.sub_img{
    width: 200px;
    float: left;
    margin-right: 35px;
}
.nav_cen .nLi .sub li{
    /* border-bottom: 1px solid #F2F2F2; */
    transition: all .3s linear;
    float: left;
    width: 110px;
}
.nav_cen .nLi .sub li:hover{
    background-color: #98061B;
    color: #ffffff;
}
.nav_cen .nLi .sub li a{
    display: block;
    width: 100%;
    height: 100%;
}


/* banner层 */
/* .banner{
    width: 100%;
    position: relative;
    background-color: #F3F3F3;
}
.banner_cen{
    width: 1800px;
    margin: auto;
    overflow: hidden;
}
.banner_cen .hd{
    position: relative;
    height: 100%;
    width: 1420px;
    margin: auto;
}
.banner_cen .hd ul{
    perspective: 1000px;
}
.banner_cen .hd li{
    zoom: 1;
    vertical-align: middle;
    width: 1420px;
    margin: auto;
}
.banner_cen .hd li img{
    width: 1420px;
    height: 560px;
    display: block;
} */

.banner {
    height: 560px;
    background-color: #F3F3F3;
    overflow-y: hidden;
    text-align: center;
    position: relative;
  }
  .dg-container {
    width: 100%;
    height: 560px;
    position: relative;
    z-index: 1;
    margin: 0 auto;
  }
  .dg-wrapper {
    width: 1400px;
    height: 560px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    -o-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
  }
  .dg-wrapper a {
    width: 1400px;
    height:560px;
    display: block;
    background: #000;
    position: absolute;
    left: 0;
    top: 0;
  }
  .dg-wrapper a .mask {
    height: 100%;
    width: 100%;
    position: relative;
  }
  .dg-wrapper a .mask img {
    height: 100%;
    width: 100%;
  }
  .dg-wrapper a .mask .title {
    position: absolute;
    left: 290px;
    bottom: 60px;
    width: 600px;
    height: 50px;
    background: #000000;
    opacity: 0.65;
    line-height: 50px;
  }
  .dg-wrapper a .mask .title p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 0 auto;
    width: 507px;
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #ffffff;
  }
  .dg-wrapper a.dg-transition {
    -webkit-transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
  }
  .dg-wrapper a img {
    display: block;
    padding: 0;
    width: 100%;
    height: 100%;
    visibility: visible;
  }
  .dg-wrapper a.dg-center div {
    display: block;
  }
  .dg-container .dg-prev,
  .dg-container .dg-next {
    position: absolute;
    z-index: 100;
    top: 0;
    height: 450px;
    width: 30%;
    display: block;
    cursor: pointer;
  }
  .dg-container .dg-prev {
    left: 0;
  }
  .dg-container .dg-next {
    right: 0;
  }


/* 新闻动态、通知公告 */
.dt_gg{
    width: 100%;
    position: relative;
    padding: 55px 0 70px;
}
.dt_gg_cen{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.xwdt{
    width: 1110px;
}
.xwdt .xwdt_cen{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.xwdt_lf{
    width: 718px;
    position: relative;
}
.xwdt_lf .bd{
    position: relative;
}
.xwdt_rig{
    width: 372px;
    position: relative;
}
.xwdt_title p::after{
    content: "News";
    position: absolute;
    color: #CECDCD;
    font-size: 14px;
    line-height: 0;
    bottom: 2.5px;
    left: 40px;
}
.dt_img{
    width: 718px;
    height: 409px;
    overflow: hidden;
}
.dt_img img{
    width: 100%;
    height: 100%;
}
.dt_title{
    width: 100%;
    height: 100px;
    background-color: #98061B;
    padding: 20px 20px 0 20px;
}
.dt_title a{
    font-size: 20px;
    color: #ffffff;
    line-height: 35px;
    font-weight: bold;
}
.dt_title p{
    width: 80%;
    font-size: 14px;
    color: #FDFEFF;
    line-height: 36px;
    opacity: 0.5;
}
.xwdt_lf .hd{
    position: absolute;
    bottom: 20px;
    right: 35px;
}
.xwdt_lf .hd ul{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.xwdt_lf .hd li{
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #F4F6F8;
    margin: 0 6px;
    opacity: .2;
}
.xwdt_lf .hd li.on{
    opacity: 1;
}
.xwdt_lf .prev{
    position: absolute;
    width: 8px;
    height: 14px;
    background: url(../images/xwdt_lf.png) no-repeat;
    background-size: 8px 14px;
    bottom: 18px;
    right: 110px;
}
.xwdt_lf .next{
    position: absolute;
    width: 8px;
    height: 14px;
    background: url(../images/xwdt_rig.png) no-repeat;
    background-size: 8px 14px;
    bottom: 18px;
    right: 17px;
}
.xwdt_rig li{
    width: 100%;
    position: relative;
    overflow: hidden;
}
.xwdt_rig li:nth-child(1){
    margin-bottom: 20px;
}
.xwdt_rig li a{
    position: relative;
}
.xwdt_rig li a img{
    width: 372px;
    height: 244px;
}
.xwdt_rig li a p{
    position: absolute;
    bottom: 2px;
    width: 100%;
    height: 50px;
    background-color: #00000050;
    color: #ffffff;
    font-size: 14px;
    line-height: 50px;
    text-align: center;
}
.tzgg{
    width: 490px;
}
.tzgg_title p::after{
    content: "Notice";
    position: absolute;
    color: #CECDCD;
    font-size: 14px;
    line-height: 0;
    bottom: 2.5px;
    left: 40px;
}
.tzgg_cen li{
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-top: 32px;
}
.tzgg_cen li:nth-child(1){
    margin-top: 0;
}
.tzgg_lf{
    width: 72px;
    height: 76px;
    background-color: #F2F2F2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.tzgg_lf p{
    font-size: 26px;
    line-height: 30px;
    color: #999999;
    font-family: 宋体;
}
.tzgg_lf span{
    font-size: 14px;
    color: #999999;
    line-height: 30px;
    font-family: 宋体;
}
.tzgg_rig{
    width: 410px;
    padding-left: 20px;
    font-size: 18px;
    color: #333333;
    line-height: 30px;
}

/* 讲座预告 */
.jzyg{
    width: 100%;
    background-color: #F5F5F5;
}
.jzyg_cen{
    width: 1700px;
    margin: auto;
    padding: 55px 0;
}
.jzyg_title p::after{
    content: "Lecture preview";
    position: absolute;
    color: #CECDCD;
    font-size: 14px;
    line-height: 0;
    bottom: 2.5px;
    left: 40px;
}
.jzyg_list{
    width: 100%;
    /* overflow: hidden; */
    height: 576px;
    background: url(../images/jzyg_bottom.png) no-repeat;
    background-position-y: 40px;
    margin-top: 130px;
    position: relative;
}
.jt-hy{
    position: relative;
    padding-left: 200px;
    height: 474px;
    background: url(../images/jzyg_top.png) no-repeat;
    padding-top: 30px;
}
.jt-hy>.jthd{
    position: absolute;
    width: 100%;
    height: 34px;
    top: -91px;
    right: 0;
}
.jt-hy>.jthd>ul{
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
}
.jt-hy>.jthd>ul>li{
    width: 126px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    background-color: #ffffff;
    border-radius: 17px;
    color: #333333;
    font-size: 16px;
    margin: 0 10px;
}
.jt-hy>.jthd>ul>li.on{
    background-color: #98061B;
    color: #ffffff;
}

.msjt{
    position: relative;
    width: 960px;
}
.msjt .msjthd{
    position: absolute;
    bottom: -90px;
    z-index: 1;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    left: 50%;
    transform: translateX(-50%);
}
.msjt .msjthd .msjt_next{
    background: url(../images/jzyg_rig.png) no-repeat;
    width: 40px;
    height: 40px;
    z-index: 9;
}
.msjt .msjthd .msjt_prev{
    background: url(../images/jzyg_lf.png) no-repeat;
    width: 40px;
    height: 40px;
    z-index: 9;
}
.msjt .msjthd ul{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin: 0 20px;
}
.msjt .msjthd ul li{
    margin: 0 10px;
    font-size: 0;
    width: 15px;
    height: 15px;
    background: #CCCCCC;
    border-radius: 50%;
}
.msjt .msjthd ul li.on{
    background: #98071B;
}
/* .msjt .bd .tempWrap{
    width: 1002px !important;
}
.msjt .bd ul{
    width: 3006px !important;
} */
.msjt .msjtbd{
    overflow: hidden;
}
.msjt .msjtbd li{
    width: 238px !important;
    height: 100%;
    margin: 0 48px;
    overflow: hidden;
}
.msjt .msjtbd li a{
    position: relative;
}
.msjt .msjtbd li img{
    width: 238px;
    height: 410px;
    display: block;
    position: relative;
}
.jzyg_bg{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding-left: 35px;
    padding-bottom: 10px;
    height: 50%;
    background: linear-gradient(to top, #33333370, transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
}
.jzyg_bg p{
    color: #ffffff;
    font-size: 16px;
    /* line-height: 26px; */
    position: relative;
    padding-bottom: 10px;
}
.jzyg_bg p:nth-child(1)::before{
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    background: url(../images/time.png) no-repeat;
    background-size: cover;
    left: -20px;
    top: 1px;
}
.jzyg_bg p:nth-child(2)::before{
    content: "";
    position: absolute;
    width: 14px;
    height: 16px;
    background: url(../images/ip.png) no-repeat;
    background-size: cover;
    left: -20px;
    top: 0;
}
/* 学术科研 */
.xsky{
    width: 100%;
    position: relative;
    padding: 55px 0;
}
.xsky_cen{
    width: 1700px;
    margin: auto;
}
.xsky_title p::after{
    content: "Research";
    position: absolute;
    color: #CECDCD;
    font-size: 14px;
    line-height: 0;
    bottom: 2.5px;
    left: 40px;
}
.xsky_list{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    position: relative;
    padding-top: 68px;
}
.xsky_list .hd{
    width: 640px;
    position: relative; 
}
.xsky_list .hd li{
    height: 102px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    font-size: 18px;
    color: #333333;
    line-height: 32px;
    font-weight: bold;
    border-bottom: 1px solid #D9D9D9;
    padding-left: 30px;
}
.xsky_list .hd li.on{
    background: url(../images/xsky_bg.png) no-repeat;
    width: 780px;
    background-size: 780px 102px;
    color: #ffffff;
    position: relative;
    z-index: 1;
    padding-right: 140px;
}
.xsky_list .bd{
    width: 994px;
    position: relative;
}
.xsky_list .bd li{
    width: 994px;
    height: 670px;
    position: relative;
}
.xsky_list .bd li::before{
    content: "";
    position: absolute;
    width: 866px;
    height: 68px;
    top: -68px;
    right: 0;
    background-color: #98061B;
}



/* 专题专栏 */
.ztzl{
    width: 100%;
    padding: 55px 0;
    background-color: #F5F5F5;
}
.ztzl_cen{
    width: 1700px;
    margin: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.ztzl_title{
    width: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.ztzl_title p{
    font-size: 36px;
    color: #333333;
    position: relative;
    writing-mode: vertical-lr;
    text-align: start;
    width: 100%;
}
.ztzl_title p::before{
    content: "";
    position: absolute;
    width: 4px;
    height: 32px;
    background-color: #98061B;
    right: -20px;
    top: 0;
}
.ztzl_title p::after{
    content: "Topic column";
    position: absolute;
    color: #CECDCD;
    font-size: 14px;
    top: 40px;
    right: -24px;
}
.ztzl_title a{
    font-size: 14px;
    color: #808080;
    writing-mode: vertical-lr;
    margin-bottom: 60px;
}
.ztzl_list{
    height: 536px;
    position: relative;
}
.ztzl_list ul{
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
}
.ztzl_list ul li{
    margin-left: 96px;
    overflow: hidden;
}
.ztzl_list ul li img{
    width: 312px;
    height: 536px;
}


/* 底部 */
.foot{
    width: 100%;
    background-color: #98061B;
    position: relative;
    color: #ffffff;
    padding-top: 55px;
}
.foot_cen{
    width: 1700px;
    margin: auto;
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.foot_lf{
    display: flex;
    flex-direction: column;
}
.ip{
    padding-top: 20px;
}
.ip p{
    font-size: 16px;
    line-height: 36px;
}
.foot_rig{
    position: relative;
    width: 660px;
}
.foot_rig p{
    position: relative;
    font-size: 20px;
    font-weight: bold;
    line-height: 40px;
}
.foot_rig ul{
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.foot_rig ul li{
    font-size: 16px;
    line-height: 36px;
    width: 220px;
}
.foot_rig ul li:nth-child(3n){
    margin-right: 0;
}
.bq{
    position: relative;
    width: 1700px;
    margin: 40px auto 0;
}
.bq p{
    font-size: 16px;
    line-height: 60px;
    text-align: center;
    border-top: 1px solid #F2F7FD20;
}