/*超大屏幕*/
@media screen and (min-width: 1900px) {
    .page_bg {
        height: 600px;
        background-size: 100% 600px;
    }
}

/*大屏幕*/
@media screen and (min-width: 769px) {
    .div_title h3 {
        margin-top: 0px;
        text-align: center;
    }

    .page_bg {
        height: 450px;
        background-size: 100% 450px;
    }

    .content {
        margin: 0 auto;
        width: 80%;
    }

    .about_us_content {
        /*margin-top: 60px;*/
    }

    .about_us_content img {
        max-width: 100%;
    }

    .detail_container {
        margin-top:60px;
    }

    .detail_container .content p {
        color: #717171;
        margin-bottom: 20px;
        line-height: 24px;
    }
    
    .about_us_prize_img img {
        width: 100%;
        border-top-left-radius: 12px;
        border-top-right-radius: 12px;
    }
       
    .about_us_prize_info
    {
        background-color: #00269a;
        border-radius: 20px;
        color: #fff;
        font-size: 14px;
        font-weight: bold;
        padding: 6px 10px;
        text-align: center;
        margin: 10px 0;
    }

    .about_cover img {
        width: 100%;
    }

    .about_us_photo_list_2 {
        margin-top: 80px;
    }

    h3 {
        line-height: 40px;
        font-size: 20px;
        font-weight: bold;
    }
}