body {
    background-color: #f5f6f7;
}

/*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;
    }

    .news_index {
        margin-top: 80px;
    }

    .content {
        width: 90%;
        margin: 0 auto;
    }

    .news_content {       
        margin-bottom: 40px;
    }
    
    .news_content .news_info {
        background-color: #fff;
        padding: 10px;
        height: 100px;
    }

    .news_content .news_img {
        height: 160px;
    }

    .news_content .news_info .news_title {
        font-weight: normal;
        font-size: 16px;
        color: #6b6b6b;
    }

    .page {
        margin-top: 60px;
    }
}