.case{
    background: #FAFAFA;
    position: relative;
}
.case_box_a{
    width: 289px;
    margin-bottom: 24px;
    margin-right: 14px;
}
.case_box_a:nth-child(4n){
    margin-right: 0;
}
.case_img{
    width: 100%;
    height: 240px;
    /*border-top-left-radius: 16px;*/
    /*border-top-right-radius: 16px;*/
    overflow: hidden;
}
.case_img img{
    width: 100%;
    
}
.case_bottom{
    width: 100%;
    height: 100px;
    background-color: #FFFFFF;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    color: #333333;
    box-shadow: 0 10px 8px rgba(250, 250, 250, 0.48)
}
.case_box_a:hover .case_bottom{
    box-shadow: 0 8px 14px rgba(0, 0, 0, 0.11);
}
.case_left{
    width: 70%;
    margin-left: 15px;
}
.case_left img{
    margin-top: 3px;
    margin-left: 20px;
}
.case_left div:first-child{
    display: flex;
    font-size: 16px;
    margin: 20px 0 14px 0;
    font-weight: bold;
}
.case_left div{
    font-size: 14px;
}
.case_right{
    margin-top: 28px;
    margin-right: 15px;
    width: 50px;
}
.case_right img{
    width: 100%;
}
.case_content{
    display: none;
    width: 100%;
    height: 183px;
    padding: 40px 0;
    background-color: rgba(17, 113, 199, 0.7);
    color: #FFFFFF;
}
.case_content p{
    width: 251px;
    font-size: 14px;
    margin: 0 auto;
}
.case_content p:first-child{
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
}
.case_button{
    display: block;
    width: 200px;
    height: 38px;
    margin: 40px auto 0 auto;
    font-size: 14px;
    line-height: 38px;
    border-radius: 19px;
    text-align: center;
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.5);
}
.case .content .active .case_img{
    display: none;
}
.case .content .active .case_bottom{
    display: none;
}
.case .content .active .case_content{
    display: block;
}
.select{
    display: flex;
    height: 50px;
    color: #999999;
    line-height: 50px;
    text-align: center;
}
.select input{
    width: 100%;
    padding-left: 50px;
    border: 1px solid #E0E0E0;
}
.type{
    width: 200px;
    border: 1px solid #E0E0E0;
    cursor: pointer;
    text-align: left;
    display: flex;
    justify-content: center;
    align-items: center;
}
.type img{
    vertical-align: middle;
    margin-left: 10px;
}
#submit{
    width: 177px;
    background: #0053B8;
    color: #FFFFFF;
    cursor: pointer;
}
.type_content{
    display: none;
    width: 300px;
    position: absolute;
    background: #FFFFFF;
    border: 1px solid #EDEDED;
    box-shadow: 0px 3px 20px rgb(0 0 0 / 11%);
    border-radius: 5px;
    padding: 32px 10px;
    margin-top: 20px;
}
.type_content::before{
    content: '';
    background: url(http://www.beijingyunpeng.cn/image/btmSan.png)no-repeat;
    background-size: 100%;
    width: 32px;
    height: 32px;
    transform: rotate(
            180deg
    );
    -ms-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -webkit-transform: rotate(
            180deg
    );
    -o-transform: rotate(180deg);
    position: absolute;
    top: -30px;
    left: 60px;
}
.type_name{
    color: #999;
    font-size: 14px;
    width: 150px;
    margin-bottom: 8px;
    line-height: 34px;
    text-align: center;
    cursor: pointer;
}
.type_box .active{
    background: rgba(72,126,255,.1);
    color: #487EFF;
}
.app_type{
    margin: 40px 0 50px 0;
}
.app_box{
    width: 130px;
    height: 40px;
    line-height: 40px;
    display: block;
    text-align: center;
    color: #0053B8;
    border: 1px solid #B6DDFD;
    cursor: pointer;
    margin-right: 81px;
    margin-top: 20px;
}
.app_box:nth-child(6n){
    margin-right: 0;
}
.app_type .active{
    background: #487EFF;
    color: #FFFFFF;
}
.case_details img{
    margin: 0 auto;
}
.banner_bg_tit{
    position: absolute;
    top: 100px;
    left: 18%;
    font-size: 32px;
    font-weight: bold;
    color: #333333;

}
.banner_bg_ftit{
    position: absolute;
    top: 170px;
    left: 18%;
    font-size: 20px;
    color: #666666;
}