.case_sec {
    padding: 80px 0;
    position: relative;
}

.case_sec .case_content .case_item {
    padding: 0 20px 30px;
}

.case_sec .case_content .case_item .case_box {
    display: block;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    padding: 0;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.06);
}

.case_sec .case_content .case_item .case_box .img_box .img_warp {
    padding-bottom: calc(100% * 0.6);
    overflow: hidden;
    height: 0;
    position: relative;
}

.case_sec .case_content .case_item .case_box .img_box .img_warp img {
    position: absolute;
    width: 100%;
    height: 100%;
}

.case_sec .case_content .case_item .case_box .text_box {
    padding: 15px 25px;
    overflow: hidden;
}

.case_sec .case_content .case_item .case_box .text_box .case_top {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #F2F5F8;
    padding-bottom: 10px;
}

.case_sec .case_content .case_item .case_box .text_box .case_top .case_title h2 {
    color: #111f2c;
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 5px;
    line-height: 1.4;
}

.case_sec .case_content .case_item .case_box .text_box .case_top .case_title .case_type {
    font-size: 13px;
}

.case_sec .case_content .case_item .case_box .text_box .case_top .case_title .case_type span {
    position: relative;
    color: #555;
    display: inline-block;
    padding-right: 10px;
    line-height: 30px;
}

.case_sec .case_content .case_item .case_box .text_box .case_top .case_title .case_type span:not(:first-child) {
    padding-left: 6px;
}

.case_sec .case_content .case_item .case_box .text_box .case_top .case_title .case_type span:not(:last-child):after {
    content: "";
    display: inline-block;
    position: absolute;
    right: 0;
    top: 7px;
    width: 1px;
    height: 16px;
    background: #999;
}

.case_sec .case_content .case_item .case_box .text_box .case_top img {
    height: 60px;
    width: auto;
}

.case_sec .case_content .case_item .case_box .text_box .case_middle {
    margin: 10px 0;
}

.case_sec .case_content .case_item .case_box .text_box .case_middle .case_demand {
    font-size: 14px;
    color: #000;
    line-height: 1.5;
}

.case_sec .case_content .case_item .case_box .text_box .case_middle .case_desc {
    color: #666666;
    font-size: 14px;
    line-height: 1.5;
    margin-top: 10px;
    word-wrap: break-word;
    text-align: justify;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.case_sec .case_content .case_item .case_box .text_box .case_bottom {
    margin-bottom: 10px;
}

.case_sec .case_content .case_item .case_box .text_box .case_bottom .case_btn {
    display: inline-block;
    padding: 0 24px;
    line-height: 40px;
    font-size: 14px;
    color: #fff;
    border-radius: 2px;
    background: #4B76FB;
}

.case_sec .case_content .case_item .case_box .text_box .case_bottom .case_btn:hover {
    background-color: #3867FB;
}

.case_sec .pagination {
    margin-top: 20px;
}

@media screen and (max-width: 767px) {
    .case_sec {
        padding: 25px 0 35px;
    }

    .case_sec .case_content .case_item {
        padding: 0 0 20px 0;
    }

    .case_sec .case_content .case_item .case_box .text_box {
        padding: 0 15px 5px;
    }

    .case_sec .case_content .case_item .case_box .text_box .case_top {
        padding-bottom: 0;
    }

    .case_sec .case_content .case_item .case_box .text_box .case_top .case_title h2 {
        font-size: 18px;
        margin-top: 15px;
        margin-bottom: 3px;
    }

    .case_sec .case_content .case_item .case_box .text_box .case_middle .case_desc {
        -webkit-line-clamp: 2;
    }
}