/*建设导向*/
.wen1{
    width: 500px;
    height: 180px;
    float: left;
    margin-top: 150px;
    overflow-wrap: break-word;
}
.picture{
    width: 550px;
    height: 210px;
    float: left;
    margin-left: 581px;
    margin-top: -180px;
}
.wen2{
    width: 500px;
    height: 180px;
    float: left;
    margin-top: 100px;
    overflow-wrap: break-word;
}
.picture1{
    width: 550px;
    height: 300px;
    float: left;
    margin-top: -200px;
    margin-left: 581px;
}

/*产品序列*/
.slideshow {
    position: relative;
    width: 700px;
    height: 440px;
    overflow: hidden;
    float: left;
    margin-top: 100px;
  }
  
  .slideshow img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
  }
  
  .slideshow img.active {
    opacity: 1;
  }
  
  .slideshow-controls {
    text-align: center;
    margin-top: 10px;
  }
  
  .slideshow-controls button {
    margin: 0 5px;
  }
.wen3{
    width: 350px;
    height: 80px;
    color:black;
    float: left;
    margin-top: -440px;
    margin-left: 761px;
    overflow-wrap: break-word;
}
.wen4{
    width: 350px;
    height: 180px;
    float: left;
    margin-top: -360px;
    margin-left: 761px;
    overflow-wrap: break-word;
}