.laok_title{
    color: #fff;
    border-radius: 6px;
    background-color: #2B6695;
    margin: 10px;
    padding: 10px;
    width: 95%;
    font-weight: bold;
    font-size: 18px;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    text-shadow: 2px 2px 3px #222222;
}