.nav_title{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #232323;
    padding: 22px 0;
    border-bottom: 1px solid #CCCCCC;
}
.zw{
    padding: 45px 0;
}
.zw_title{
    text-align: center;
    font-size: 22px;
    font-family: PingFang SC;
    font-weight: bold;
    color: #232323;
}
.zw_date{
    text-align: center;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #666666;
    padding: 22px 0;
}
.zw_content{
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #666666;
    line-height: 34px;
    text-align: center;
}