.topBg{background:url(../images/caseBg.png) no-repeat;}
.service h1 {
    font-size: 37px;
    font-family: "SourceHanSansCN-Bold";
    color: #000000;
    padding: 35px 0;
  }
  .serviceTab {
    display: flex;
    color: #a3a3a3;
    align-items: center;
    padding-bottom: 25px;
  }
  .serviceTab span {
    padding: 10px 14px;
    color: #585858;
    display: inline-block;
    border-radius: 10px;
    margin-left: 45px;cursor: pointer;
  }
  .serviceTab span.on {
    background: #5081db;
    color: #fff;
  }
  .serviceWraper{background:#f5f8fb;min-height: 500px;overflow: hidden;
    padding-bottom: 80px;padding-top:40px;}
  .serviceWraper ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    color: #454545;
  }
  .serviceWraper ul > li {
    width: 32%;
    margin-bottom: 35px;
    background: #fff;
    padding: 30px 25px;
    box-sizing: border-box;
    /* box-shadow: -4px -4px 8px 0 rgba(1, 1, 2, 0.1),
      4px 4px 8px 0 rgba(1, 1, 2, 0.1); */
    border-radius: 15px;
  }
  .serviceWraper ul::after {
      content: "";
      width: 32%;
  }
  .serviceWraper ul > li img {
    height: 260px;
    width: 100%;
    display: block;
  }
  .serviceWraper ul > li h4 {
    text-align: center;
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 23px;
    font-family: "SourceHanSansCN-Bold";
  }
  .serviceWraper ul > li p {
    font-size: 20px;
    line-height: 32px;
    font-family: "SourceHanSansCN-Regular";
    height:64px;
  }
  .serviceWraper ul > li a {
    display: block;
    margin-top: 30px;
    color: #4276d8;
  }
  /*1280-1920*/
@media screen and (min-device-width: 1280px) and (max-device-width: 1919px){
   .service h1{font-size: 30px;padding: 25px 0;}
   .serviceTab span{margin-left: 30px;padding: 5px 14px;}
   .serviceWraper ul>li{margin-bottom:25px;padding: 25px 18px;}
   .serviceWraper ul>li h4{font-size: 20px;}
   .serviceWraper ul>li p{font-size:18px;line-height: 30px;}
   .serviceWraper ul>li a{margin-top: 25px;}
   .serviceWraper ul>li img{height: 235px;}
  }
  
 /*<1280*/
 @media screen and (max-device-width:1279px){
  .service h1{font-size: 30px;padding: 25px 0;}
  .serviceTab span{margin-left: 30px;padding: 5px 14px;}
  .serviceWraper ul>li{margin-bottom:25px;padding: 25px 18px;}
  .serviceWraper ul>li h4{font-size: 18px;}
  .serviceWraper ul>li p{font-size: 16px;line-height: 30px;height: 55px;}
  .serviceWraper ul>li a{margin-top: 25px;}
  .serviceWraper ul>li img{height: 185px;}
  .serviceWraper{padding-bottom: 20px;}
 }