#solve-nong{
    width: 100%;
  }
  /* top */
  .solve-nong-top{
    width: 100%;
    min-width: 1174px;
    background: url('../../img/solve/water/bg.png') no-repeat;
    background-size: cover;
    height: 620px;
    box-sizing: border-box;
    padding-top: 230px;
    text-align: center;
    overflow: hidden;
  }
  .solve-nong-top >h2{
    font-size: 45px;
      font-weight: normal;
      letter-spacing: 2px;
    color: #ffffff;
    margin-bottom: 50px;
    opacity: 0;
    animation-duration: .6s;
  }
  .solve-nong-top >p{
    font-size: 30px;
    letter-spacing: 1px;
    color: #ffffff;
    opacity: 0;
    animation-duration: .6s;
  }
  
  /* 解决 */
  .s-w{
      position: relative;
  }
  .dian{
    position: absolute;
    width: 43px;
    opacity: 0;
    animation-duration: .6s;
  }
  .dian1{
      top: 500px;
      left: 50%;
      transform: translateX(-50%);
  }
  .dian2{
    top: 450px;
    left: 50%;
    transform: translateX(-50%);
  }
  .solve-nong-j{
    width: 1174px;
    margin: 0 auto;
    padding-bottom: 100px;
  }
  .solve-nong-j >h2{
    font-size: 36px;
      font-weight: normal;
    text-align: center;
    margin-bottom: 40px;
      letter-spacing: 2px;
      color: #333333;
      opacity: 0;
    animation-duration: .6s;
  }
  .s-list {
      position: relative;
      padding-top: 100px;
  }
  .s-list >li{
    width: 512px;
    margin-bottom:100px; 
  }
  .s-list >li:nth-of-type(odd){
    float: left;
  }
  .s-list >li:nth-of-type(even){
    float: right;
  }
  .s-item >img{
    display: block;
    width: 100%;
    height: 445px;
    border-radius: 8px;
  }
  .s-item >div{
    font-size: 22px;
	margin: 30px 0 14px 0;
	letter-spacing: 2px;
	color: #333333;
  }
  .s-item >p{
    font-size: 18px;
	line-height: 40px;
	letter-spacing: 1px;
	color: #333333;
  }
  .detail{
    font-size: 22px;
    color: #3eb251; 
  }
  .s-item{
    opacity: 0;
    animation-duration: .6s;
    animation-delay: .2s;
  }
  .s-desc-item {
    opacity: 0;
    animation-duration: .6s;
    animation-delay: .2s;
  }
  .s-desc-item >img{
     width: 66px;
	height: 66px;
  }
  .s-desc-item >h3{
    font-size: 32px;
    margin: 36px 0 30px 0;
	letter-spacing: 3px;
	color: #333333;
  }
  .s-desc-item >p{
    font-size: 30px;
	letter-spacing: 2px;
	color: #333333;
  }
  .call-me{
    font-size: 22px;
      font-weight: normal;
      letter-spacing: 1px;
    color: #333;
    text-align: center;
    opacity: 0;
    animation-duration: .6s;
    animation-delay: .2s;
  }