.case {
  padding-top: 86px;
  padding-bottom: 90px;
}
.case ul {
  width: 100%;
  margin-top: 35px;
  overflow: hidden;
}
.case ul li {
  float: left;
  margin-right: 9px;
  margin-bottom: 9px;
  position: relative;
  z-index: 1;
}
.case ul li.last {
  margin-right: 0;
}
.case ul .img {
  display: block;
  width: 394px;
  height: 258px;
}
.case ul .img span {
  display: inline-block;
  width: 100%;
  height: 100%;
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.case ul h5 {
  position: absolute;
  bottom: 16px;
  left: 22px;
  color: #fff;
  font-size: 17px;
}
.case .count_2 li {
  margin-right: 13px;
}
.case .count_2 li .img {
  width: 593px;
  height: 387px;
}
@media only screen and (min-width: 960px) and (max-width: 1366px) {
  .case ul .img {
    width: 320px;
    height: 210px;
  }
  .case ul h5 {
    font-size: 18px;
    font-weight: 700;
  }
  .case .count_2 li {
    margin-right: 10px;
  }
  .case .count_2 li .img {
    width: 485px;
    height: 318px;
  }
}
.scenario {
  padding-top: 80px;
  padding-bottom: 102px;
}
.scenario ul {
  width: 100%;
  margin-top: 35px;
  overflow: hidden;
}
.scenario ul li {
  float: left;
  width: 380px;
  margin-right: 30px;
  text-align: center;
}
.scenario ul li.last {
  margin-right: 0;
}
.scenario ul .img {
  width: 190px;
  height: 190px;
  margin: 0 auto;
  line-height: 190px;
  border-radius: 50%;
  border: 1px solid #cdcdcd;
  text-align: center;
  overflow: hidden;
}
.scenario ul .img span {
  display: inline-block;
  width: 128px;
  height: 128px;
  margin-top: 31px;
  background-repeat: no-repeat;
}
.scenario ul h5 {
  margin-top: 30px;
  color: #545555;
  font-size: 17px;
  font-weight: 700;
}
.scenario ul p {
  margin-top: 4px;
  padding: 0 30px;
  color: #9b9b9b;
  font-size: 17px;
  font-weight: 400;
}
.scenario .count_4 li {
  width: 285px;
  margin-right: 20px;
}
@media only screen and (min-width: 960px) and (max-width: 1366px) {
  .scenario ul li {
    width: 320px;
    margin-right: 10px;
  }
  .scenario .count_4 li {
    width: 236px;
    margin-right: 12px;
  }
}
.solution {
  width: 100%;
  padding-top: 90px;
  padding-bottom: 96px;
  background-color: #f1f1f1;
}
.solution .img {
  width: 1200px;
  margin: 0 auto;
  margin-top: 46px;
}
.solution .img span {
  display: inline-block;
  width: 100%;
  background-size: 100%;
  background-repeat: no-repeat;
}
@media only screen and (min-width: 960px) and (max-width: 1366px) {
  .solution .img {
    width: 980px;
  }
}