.cntbody .aboutcnt {
    width: 1200px;
    margin: 0 auto;
}
    .cntbody .aboutcnt .devoption {
        width: 1200px;
        font-size: 25px;
        text-align: left;
        padding: 10px 0;
        font-family: '楷体';
        color: #808080;
        border-bottom: 1px dashed #999;
    }
    .cntbody .aboutcnt .about {
        width: 1200px;
        height: 820px;
        margin: 0 auto;
        margin-bottom: 20px;
        line-height:25px;
    }