.case{
    width: 1200px;
    padding-bottom: 50px;
    margin: auto;
}

.case_content{
    width: 1090px;
    margin: auto;
    padding-top: 30px;
}

.case_content_item{
    width: 32%;
    margin-bottom: 25px;
    -webkit-box-shadow: #ccc 0px 0px 10px;
    -moz-box-shadow: #ccc 0px 0px 10px;
    box-shadow: #ccc 0px 0px 10px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    overflow: hidden;
    text-align: center;

}

.case_content_item img{
    width: auto;
    height: 180px;
}

.case_content_item_content{
    margin: 10px 10px 15px 20px;
}

.case_content_item_title{
    font-size: 20px;
    text-align: left;
}

.case_content_item_tip{
    font-size: 16px;
    text-align: right;
}

@media screen and (max-width: 750px) {
    .hyg_banner, .case, .w1200, .w1040 {
        width: 100%;
    }

    .case{
        padding-bottom: 30px;
    }

    .case_content{
        width: 90%;
    }

    .case_content_item{
        width: 49%;
        margin-bottom: 15px;
    }

    .case_content_item img{
        height: 120px;
        max-width: 100%;
    }

    .case_content_item_content{
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin: 5px 10px 10px;
    }

    .case_content_item_title{
        font-size: 14px;
        margin-bottom: 2px;
    }

    .case_content_item_tip{
        font-size: 10px;
    }
}