*{
    margin: 0px;
    padding: 0px;
}
#box{
    min-width:1100px;
    background-color: #eee;
}
@media screen and (max-width: 1300px){
    .nb{
        width:1000px;
        margin:0px auto;
        position: relative;
    }
}
@media screen and (min-width: 1301px){
    .nb{
        width:1200px;
        margin:0px auto;
        position: relative;
    }
}
.con{
    width:calc(100% - 180px);
    margin-left:180px;
    min-height: 900px;
    overflow: hidden;
    background-color: #fff;
    margin-top: 10px;
}
.conhead{
    width:100%;
    line-height: 26px;
    text-align: center;
    color:#555;
    font-size: 18px;
    margin-top: 30px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
    word-wrap: break-word;
}
.time{
    font-size:12px;
    line-height: 20px;
    text-align: center;
    color:#aaa;
}
.concon{
    padding: 10px;
    box-sizing: border-box;
}