.about-img-box {
    width: 100%;
    margin-top: 90px;
    height: 400px;
}
    .about-img-box img {
        width: 100%;
        height: 400px;
    }
.content-box{
    width: 100%;
    background-color: #ebebed;
    padding: 30px 0;
}
.content-paper{
    background-color: #fff;
    width: 1200px;
    margin: 0 auto;
    
}
.content-paper-detail{
    width: 90%;
    margin: 0 5%;
}
.content-title{
    font-size: 28px;
    line-height: 36px;
    padding-top: 40px;
    text-align: center;
}
.content-info{
    border-bottom: 1px solid #d4d4d4;
    font-size: 14px;
    line-height: 14px;
    color: #999;
    padding: 15px 0 30px 0;
    text-align: center;
}
.content-detail{
    font-size: 16px;
    line-height: 30px;
    padding: 20px 30px
}