.page_content ul {
    width: 100%;
    height: 160px;
}

    .page_content ul li {
        width: 300px;
        height: 30px;
        line-height: 30px;
        font-size: 18px;
        font-family: 微软雅黑;
        float: left;
        color: #0094ff;
    }

.page_content_imgs {
}

    .page_content_imgs img {
        max-width: 750px;
        max-height: 400px;
        float:left;
        margin-right:5px;
        object-fit:contain;
    }

.page_intro_content {
    text-indent: -1px;
    height: 48px;
    line-height: 24px;
}

#demo {
    background: #FFF;
    overflow: hidden;
}

#indemo {
    float: left;
    width: 3000%;
}

#demo1 {
    float: left;
}

#demo2 {
    float: left;
}