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

    .content {
        width: 100%;
        margin: 40px auto 0 auto;
    }

    .div_job {
        margin-top: 40px;
    }

    .div_title {
        color: #00269a;
        font-size: 18px;
        margin-bottom: 20px;
    }

    .div_title span,.div_content span {
        color: #00269a;
        font-size: 18px;
        font-weight: bold;       
    }

    .div_content {
        color: #717171;
        font-size: 18px;
    }
    
    .div_content div {
        float: left;
    }
    
    .div_content .div_content_detail {
        max-width: 80%;
    }

    .div_btn {
        padding: 40px 0;
        text-align: center;    
        border-bottom: 1px dotted #717171; 
    }
    .btn {
        background-color: #00269a;
        border-radius: 20px;
        color: #fff;
        font-size: 16px;
        padding: 4px 20px;
    }
}