.back_home{
  width:178px;
  height:50px;
  background:#FEBC14;
  border-radius:6px;
  font-size:15px;
  font-family:MicrosoftYaHei;
  font-weight:400;
  color:#FFFFFF;
  line-height:50px;
  text-align: center;
  
}

.header{
  height: 130px;
  width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header_box{
  width: 33.3%;
  display: flex;
  justify-content: space-around;
  text-align: center;
  cursor: pointer;
}

.header_box_else{
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  text-align: center;
}

.main{
  position: absolute;
  top: 13.3%;
  right: 0;
  left: 0;
  bottom: 0;
  background: url('../image/backdrop.png');
  background-repeat:no-repeat;
  background-attachment: fixed;
  overflow: hidden;
}
.main_header{
  margin: 0 auto;
  /* height: 10px; */
  padding-top: 88px;
  margin-bottom: 30px;
  box-sizing: border-box;
}
.main_header_top{
  font-size:27px;
  font-family:E-H3;
  font-weight:400;
  color:#FFFFFF;
  text-align: center;
}
.main_header_contant{
  font-size:20px;
  font-family:MicrosoftYaHei;
  font-weight:400;
  color:#FFFFFF;
  text-align: center;
}
.patent{
  font-size:13px;
  font-family:MicrosoftYaHei;
  font-weight:400;
  color:#999999;
  text-align:  center;
  margin-top: 60px;
}
.module{
  width: 58%;
  height: 470px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.module_box:hover{
  box-shadow: 0px 0px 4px 4px #888888;
}
.module_box{
  width: 32.5%;
  background-color: #ffffff;
}

.module_box_img{
  text-align: center;
  margin-top: 18%;
}

.module_box_service{
  font-size:20px;
  font-family:MicrosoftYaHei;
  font-weight:bold;
  color:#333333;
  text-align: center;
  margin: 10% auto 0;
}

.module_box_wire{
  width:36px;
  height:0.48%;
  background:#333333;
  margin: 2% auto 0;
}

.module_box_text{
  width: 80%;
  margin: 0 auto;
  font-size:14px;
  font-family:MicrosoftYaHei;
  font-weight:400;
  color:#666666;
  margin-top: 5%;
}
.examine{
  width: 40%;
  height: 40px;
  font-size:14px;
  font-family:MicrosoftYaHei;
  font-weight:400;
  color:#333333;
  border:1px solid #CCCCCC;
  border-radius:20px;
  text-align: center;
  margin:80px auto 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-around;
  transition: margin 1s;
}

.examine::after {
  position: absolute;
  content: '立即查看';
  width: 8%;
  height: 40px;
  border-radius:20px;
  transition: .4s;
  background-color: red;
  transform-origin: bottom;
  transform: scaleY(0);
  display: flex;
  align-items: center;
  justify-content: space-around;
  color: #ffffff;
}

.examine:hover::after {
  transform: scaleY(1);
}