.content_news {
    width: 100%;
    margin: 0px auto;
    overflow: hidden;    
    background-color: #ffffff;
    min-height: 600px;
}

.nnews {
    overflow-x: hidden;
}

.nnews p {
    line-height: 30px;
    margin-top: 12px;
    text-indent: 2em;
    font: 20px/36px "Microsoft Yahei";
}

.con_h1 {
    font: bold 28px/1 "Microsoft Yahei";
    text-align: center;
    color: Black;
    line-height: 46px;
    width: 1000px;
    margin: 0px auto;
    margin-top: 52px;
}

.con_p {   
    font: 18px/36px "Microsoft Yahei";
    color: black;
    text-indent: 2em;
    margin: 8px 0 0;
    padding: 5px 25px;
}

.con_p p {
    text-indent: 2em;
    margin-top: 22px;
}

.layui-colla-item .layui-colla-content p {
    height: auto
}