.product-wrapper,.product-wrapper img {
  width: 100%;
  height: 100%;
}
/*头部*/
.product-top {
  width: 100%;
  height: 800px;
  overflow: hidden;
  background: url('https://flow.czlks.com/Pic-x/2019-08-23/8b6302930592bbf46dc75813579f984a.jpg') no-repeat center center;
  background-size: cover;
}
.product-top .theme {
  margin-top: 295px;
  text-align: center;
  color: #fff;
}
.product-top .theme .title {
  position: relative;
  margin-bottom: 58px;
  padding-bottom: 40px;
  box-sizing: border-box;
  font-size: 48px;
}
.product-top .theme .title-line {
  position: absolute;
  left: 50%;
  bottom: 0;
  margin-left: -141px;
  width: 282px;
  border-bottom: 2px solid #ffd40b;
}
.product-top .theme .describe {
  font-size: 30px;
  font-weight: 300;
  line-height: 36px;
}
.product-top .theme strong {
  color: #ffd40b
}
/*是什么*/
.define-wrapper {
  margin: 70px 0 140px;
}
.define-wrapper .title {
  font-size: 32px;
  font-weight: 400;
  text-align: center;
  color: #333;
}
.define-wrapper .describe {
  margin: 30px 0 100px;
  font-size: 16px;
  text-align: center;
  line-height: 26px;
  color: #999;
}
.list {
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.list li {
  margin-right: 84px;
  color: #fff;
}
.list li:last-child {
  margin-right: 0;
}
.list li .content-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 334px;
  height: 400px;
  overflow: hidden;
  background: url('https://flow.czlks.com/Pic-x/2019-08-23/e454f27122c322f80fb0571b1d22eb1b.jpg') no-repeat;
  background-size: 334px 400px;
}
.list li .content-bg2 {
  background: url('https://flow.czlks.com/Pic-x/2019-08-23/a7617ec59bc035a0040f749ae55e282e.jpg') no-repeat
}
.list li .content-bg3 {
  background: url('https://flow.czlks.com/Pic-x/2019-08-23/e0b368b250993d39fba2da3263170506.jpg') no-repeat
}
.showed {
  padding: 12px 0;
  width: 140px;
  text-align: center;
  border: 2px solid #fff;
}
.hided {
  display: none;
  padding: 0 38px;
  text-align: center;
}
.hided .theme {
  position: relative;
  margin-bottom: 40px;
  padding-bottom: 20px;
  box-sizing: border-box;
  font-size: 26px;
  color: #ffd40b;
}
.hided .theme .line {
  position: absolute;
  left: 50%;
  bottom: 0;
  margin-left: -29px;
  width: 58px;
  border-bottom: 3px solid #ffd40b;
}
.hided .explain {
  font-size: 16px;
  line-height: 28px;
}
.list li .content-bg:hover .showed {
  display: none;
}
.list li .content-bg:hover .hided {
  display: block;
  animation: show 2s;
}
/*有什么*/
.contain-wrapper {
  margin-bottom: 60px;
  width: 100%;
  height: 744px;
  overflow: hidden;
  background: url('https://flow.czlks.com/Pic-x/2019-08-23/736a4a987e2ba6bcf76111ab51508457.jpg') no-repeat center center;
  background-size: cover;
}
.contain-wrapper .title {
  margin: 102px 0 50px;
  font-size: 32px;
  font-weight: 400;
  text-align: center;
  color: #fff;
}
.contain-wrapper .describe {
  padding: 57px 55px;
  font-size: 16px;
  text-align: center;
  line-height: 22px;
  color: #fff;
  background: rgba(0,5,10,0.4);
}
.contain-wrapper .list {
  margin-top: 94px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.contain-wrapper .list li {
  margin-right: 135px;
}
.contain-wrapper .list li:last-child {
  margin-right: 0;
}
.contain-wrapper .list li .avatar {
  width: 198px;
  height: 198px;
}
/*内容分类*/
.product-type {
  margin-bottom: 124px;
}
.product-type .avatar {
  width: 100%;
  height: 775px;
}
/*解决什么*/
.solve-wrapper .title {
  margin-bottom: 96px;
  font-size: 32px;
  font-weight: 400;
  text-align: center;
  color: #333;
}
.solve-wrapper .list {
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.solve-wrapper .list li {
  margin-right: 130px;
  text-align: center;
}
.solve-wrapper .list li:last-child {
  margin-right: 0
}
.solve-wrapper .list li .ico {
  display: inline-block;
  width: 96px;
  height: 106px;
  background: url(../../static/images/product-type-ico.png) no-repeat;
}
.solve-wrapper .list li .ico2 {
  background: url(../../static/images/product-type-ico2.png) no-repeat;
}
.solve-wrapper .list li .ico3 {
  background: url(../../static/images/product-type-ico3.png) no-repeat
}
.solve-wrapper .list li:hover .ico {
  background: url('https://flow.czlks.com/Pic-x/2019-10-24/4507597ff53a5e813fbe634d180169b9.jpg') no-repeat;
}
.solve-wrapper .list li:hover .ico2 {
  background: url('https://flow.czlks.com/Pic-x/2019-10-24/43bc4d1a227302808bfed8c7844429a7.jpg') no-repeat;
}
.solve-wrapper .list li:hover .ico3 {
  background: url('https://flow.czlks.com/Pic-x/2019-10-24/4651611718742e6315774df6246ed44b.jpg') no-repeat;
}
.solve-wrapper .list li .text {
  margin-top: 32px;
  font-size: 16px;
  line-height: 24px;
  color: #666;
}
@-webkit-keyframes show {
  0% {
    opacity: 0
  }
  100% {
    opacity: 1
  }
}