.new2019_banner_content {
    width: 100%;
    height: 495px;
    background: url("../cases/banner-case.jpg") no-repeat center;
    background-size: cover;
}

.new2019_banner_box {
    width: 1200px;
    height: 550px;
    margin: 0 auto;
    padding-left: 100px;
}

.new2019_banner_box h2 {
    font-size: 40px;
    position: relative;
    padding-top: 160px;
    padding-bottom: 20px;
}

.new2019_banner_box span {
    margin-top: 4px;
    font-size: 18px;
}
.flexRow {
    display: flex;
    flex-direction: row;
}
.v5_caseList {
    border-bottom: 1px solid #e5e5e5;
    padding: 17px 27px;
}
.v5_caseList .v5_caseVersion, .v5_caseList .v5_caseChannel, .v5_caseList .v5_caseIndustry {
    width: 70px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    background: #00AAEA;
    border-radius: 14px;
    color: #fff;
    font-weight: 400;
    font-size: 18px;
}
.v5_caseList .v5_version .v5_caseLi, .v5_caseList .v5_channel .v5_caseLi, .v5_caseList .v5_industry .v5_caseLi {
    padding: 5px 30px;
    font-weight: 400;
    font-size: 18px;
    line-height: 17px;
    border-right: 1px solid #b5b5b5;
    cursor: pointer;
}
.v5_caseList .v5_version .v5_caseLi.active, .v5_caseList .v5_channel .v5_caseLi.active, .v5_caseList .v5_industry .v5_caseLi.active {
    color: #00AAEA;
}
.v5_caseList .v5_version .v5_caseLi:last-child, .v5_caseList .v5_channel .v5_caseLi:last-child, .v5_caseList .v5_industry .v5_caseLi:last-child {
    border-right: none;
}
.v5_caseUl {
    padding: 22px 0 40px;
    flex-wrap: wrap;
}
.v5_caseUl li{
    width: calc(25% - 13px);
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 14px 11px 30px;
    margin-left: 16px;
    margin-top: 33px;
    transition: all .3s;
    -webkit-transition: all .3s;
    cursor: default;
    position: relative;
    overflow: hidden;
    float: left;
    height: 355px;
    text-align: center;
}
.v5_caseUl li:nth-child(4n-3) {
    margin-left: 0;
}
.v5_caseUl .example-item .img {
    width: 286px;
    height: 180px;
}
.v5_caseUl .example-item .small_ewm {
    width: 100%;
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    z-index: 9;
    opacity: 0;
    transition: 0.3s;
}
.v5_caseUl .example-item .small_ewm .small_ewm_img{
    width: 206px;
}
.v5_caseUl .example-item .small_ewm .case_name{
    font-size: 16px;
    color: #333333;
    padding-top: 30px;
}
.v5_caseUl .example-item .small_ewm .small_ewm_info{
    font-size: 14px;
    color: #666666;
    padding-top: 10px;
}
.v5_caseUl .example-item .example-item-a{
    transition: 0.3s;
}
.v5_caseUl .example-item .info {
    overflow: hidden;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    background: #fff;
    transition: all 0.2s;
    height: 350px;
}
.v5_caseUl .example-item .logo {
    margin-top: 20px;
    margin-bottom: 20px;
    height: 80px;
    transition: all 0.2s;
}
.v5_caseUl .example-item .logo img{
    height: 100%;
}
.v5_caseUl .example-item .case_name {
    font-size: 16px;
    color: #333333;
    margin-bottom: 10px;
}
.v5_caseUl .example-item .cate {
    font-size: 13px;
    color: #646466;
    margin-bottom: 20px;
}
.v5_caseUl .example-item .intro {
    font-size: 14px;
    color: #666;
    padding: 0 30px;
    text-align: left;
    line-height: 1.8;
}
.v5_caseUl .example-item:hover {
    box-shadow: 0 7px 39px rgba(0, 0, 0, 0.1);
}
.v5_caseUl .example-item:hover .example-item-a {
    opacity: 0;
}
.v5_caseUl .example-item:hover .small_ewm {
    opacity: 1;
}