.introduceBox .content_box{
    font-size: 28px;
    color: #333333;
    line-height: 36px;
    text-align: left;
    padding: 18px 0 0;
    margin-bottom: 30px;
}
#introduce{
    width: 100%;
    margin-top: -10px;
    font-size: 30px;
    color: #7E807E;
    text-align: center;
    padding-bottom: 20px;
}
#bei{
    width: 100%;
    margin-top: -10px;
    font-size: 30px;
    color: #7E807E;
    text-align: center;
    padding-bottom: 20px;
}
.bei .content_box{
    padding: 18px 0 0;
    margin-bottom: 30px;
    font-size: 28px;
    color: #333333;
    line-height: 34px;
}