.blackmail-case{display:grid;grid-gap:40px;grid-template-columns:auto auto auto}.blackmail-case .blackmail-case_card .img-box{width:100%;height:200px;position:relative;border-radius:4px;overflow:hidden}.blackmail-case .blackmail-case_card .img-box .el-image{height:100%;width:100%}.blackmail-case .blackmail-case_card .img-box .title{visibility:hidden;position:absolute;width:100%;text-align:center;top:0;bottom:0;left:0;background-color:rgba(0,0,0,.5);color:#fff;font-size:20px;font-weight:700;border-radius:4px;line-height:200px}.blackmail-case .blackmail-case_card .img-box:hover .title{visibility:visible}.prevent-extortion .product-head{background:url(/image/solution-pro/blackmail-head-bj.jpg) no-repeat;background-size:auto 100%;background-position:50%}.prevent-extortion .blackmail-app{background:url(/image/kdps/kdps-cj-bg.webp) no-repeat;background-size:auto 100%;background-position:50%;padding-bottom:80px}.prevent-extortion .margin-img{display:block;margin:0 auto}.prevent-extortion .blackmail-video{width:1080px;margin:0 auto}.privacy-policy{margin-bottom:40px}.privacy-policy h3{margin:40px 0 20px}.privacy-policy h4{margin:20px 0 10px}.privacy-policy ul{padding-left:20px}.privacy-policy ul li{color:#595959;font-size:16px;list-style:disc;line-height:1.6}