.about{
    width: 100%;
    height: 100%;
    background:#F8F8F8;
}
.about .header nav ul li:nth-child(4){
    /*background:rgba(34,137,240,1);*/
    /*border-radius:4px;*/
}
.about .header nav ul li:nth-child(4) a{
    /*color:#fff;*/
    color: #2289f0;
    font-weight: 600;
}

/*.about .picture img{*/
/*    width: 100%;*/
/*    height: 100%;*/
/*}*/
#pageMain .content{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.about .content .container .sec{
    font-size: 16px;
}
@media screen and (max-width:1919px){

    .about .content .container .sec{
        width:726px;
        margin: 17px auto;
        font-size:0.625em;
        color:rgba(94,97,102,1);
        line-height:20px;
    }
    .about .content .container .fourth{
        width: 100%;

    }
    #pageMain{
        width: 732px;
        margin: 0 auto;
    }
    #pageMain li:hover{
        background:rgba(248,248,248,1);
    }
    #pageMain ul li span:hover{
        color: #2289F0;
        cursor: pointer;
    }
    #pageMain li{
        width: 100%;
        margin-top: 23px;
    }
    #pageMain li img{
        width: 261px;
        height: 147px;
        display: inline-block;
    }
    #pageMain li div{
        width: 440px;
        float: right;
        border-bottom: 1px solid #CCCCCC;
        transition-duration: 0.4s;
    }
    #pageMain li div:hover{
        border-bottom: 2px solid #CCCCCC;
    }

    #pageMain li div a:nth-child(1){
        width: 100%;
    }

    #pageMain .month{
        height:10px;
        padding: 5px 0;
        font-size:0.625em;
        color:rgba(204,29,34,1);
        line-height:13px;
    }
    #pageMain .date{
        height:18px;
        margin-top: 5px;
        font-size:1.6em;
        font-weight:500;
        color:rgba(204,29,34,1);
        line-height:13px;
    }
    #pageMain .title {
        height:17px;
        margin-top: 10px;
        font-size:1.125em;
        font-weight:500;
        color:#000;
        line-height:13px;
    }
    #pageMain .detail{
        height:13px;
        margin-top: 2px;
        font-size:0.8em;
        font-weight:400;
        color:#666666;
        line-height:13px;
    }
    #pageMain .content{
        width:435px;
        margin: 8px 0 4px 0;
        font-size:0.625em;
        font-weight:400;
        color:rgba(94,97,102,1);
    }

    .setPageDiv {
        text-align: center;
        margin-top: 10px;
    }
    #pagination {
        display: inline-block;
        margin:80px auto;
        margin-bottom: 30px;
    }
     .content .page{
        width: 140px;
        height: 28px;
        display: flex;
        justify-content: space-around;
        background-color: #fff;
        line-height: 28px;
        font-size: 14px;
        color: #5E6166;
        font-weight: 700;
    }
 .content .page button{
        margin: 0;
        padding: 0;
        border: 1px solid transparent;
        outline: none;
        background-color: #fff;
    }
    .content .page button:hover{
        color: #F77D26;
    }
     .content .page button{
        cursor: pointer;
    }
}
@media screen and (min-width:1920px){

    .about .content .container .sec{
        width:1028px;
        /*font-size:14px;*/
        font-weight:400;
        color:rgba(94,97,102,1);
        line-height:28px;
        margin: 32px auto;
    }

    .about .content .container .abouts{
        width:1024px;
        height:756px;
        margin: 0 auto;
    }
    .about .content .container .abouts ul{
        width: 100%;
        height: 100%;
    }

    .about .content .container .abouts .item{
        display: none;
    }

    #pageMain li:hover{
        background:rgba(248,248,248,1);
    }
    #pageMain ul li span:hover{
        color: #2289F0;
        cursor: pointer;
    }
    #pageMain li{
        width: 1051px;
        margin: 32px 0 0 26px;
    }
    #pageMain li  img{
        width: 392px;
        height: 220px;
        display: inline-block;
    }
    #pageMain li div{
        width: 630px;
        height: 220px;
        float: right;
        border-bottom: 1px solid #CCCCCC;
    }
    #pageMain li div a:nth-child(1){
        width: 100%;
    }

    #pageMain .month{
        height:14px;
        padding: 8px 0;
        font-size:14px;
        font-weight:400;
        color:rgba(204,29,34,1);
        line-height:18px;
    }
    #pageMain .date{
        height:26px;
        margin-top: 5px;
        font-size:36px;
        font-weight:500;
        color:rgba(204,29,34,1);
        line-height:26px;
    }
    #pageMain .title {
        height:24px;
        margin-top: 24px;
        font-size:24px;
        font-weight:500;
        color:#000;
        line-height:24px;
    }
    #pageMain .detail{
        height:18px;
        margin-top: 10px;
        font-size:18px;
        font-weight:400;
        color:#666666;
        line-height:18px;
    }
    #pageMain .content{
        width:630px;
        margin-top: 22px;
        font-size:14px;
        font-weight:400;
        color:rgba(94,97,102,1);
    }

    /*页码样式*/
    .setPageDiv {
        text-align: center;
        margin-top: 50px;
    }
    #pagination {
        display: inline-block !important;
        margin:80px auto;
        margin-bottom: 20px;
    }
    .content .page{
        width: 218px;
        height: 40px;
        display: flex;
        justify-content: space-around;
        background-color: #fff;
        line-height: 40px;
        font-size: 14px;
        color: #5E6166;
        font-weight: 700;

    }
     .content .page button{
        margin: 0;
        padding: 0;
        border: 1px solid transparent;
        outline: none;
        background-color: #fff;
    }
    .content .page button:hover{
        color: #F77D26;
    }
    .content .page button{
        cursor: pointer;
    }

}