.product_box{
  width: 100%;
  min-width: 1200px;
  overflow: hidden;
}

.product{
  width: 1200px;
  margin: 0 auto;
  padding-top: 59px;
}

.product_title{
  text-align: center;
  margin: 0 auto;  
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 24px;
}

.product_text{
font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #333333;
line-height: 36px;
padding-top: 28px;

}

.product_logo{
  overflow: hidden;
  padding-left: 110px;
  padding-right: 110px;
}

.product_logo_main{
  width: 150px;
  float: left;
  margin-right: 125px;
}

.product_logo_main:nth-child(4){
  margin-right: 0;
}



.products_logo{
  width: 100px;
height: 100px;
border: 2px solid #00467F;
border-radius: 50%;
position: relative;
margin: 0 auto;
margin-top: 60px;

}

.products_logo img{
  width: 48px;
height: 48px;
display: block;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}

.product_logo_text{
width: 150px;
font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #333333;
line-height: 36px;
text-align: center;

}


.principal{
  padding-top: 40px;
}

.principal_l{
  float: left;
}


.principal_title{
font-size: 26px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #333333;
}

.principal_title::before{
  content:'';
  width: 6px;
  height: 26px;
  background: #69DCE0;
  display: inline-block;
  margin-right: 19px;
}

.principal_text{
  width: 764px;
font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #333333;
line-height: 36px;
padding-top: 34px;

}

.principal_img{
  width: 760px;
height: 239px;
}

.principal_img img{
  width: 100%;
height: 100%;
display: block;
}

.principal_r{
  float: right;
  padding-top: 75px;
}

.principal_main{

  width: 340px;
height: 100px;
background: #999999;
padding-top: 23px;
padding-left: 42px;
margin-bottom: 20px;
}


.principal_xian{
  width: 4px;
  height: 15px;
  background: #69DCE0;
  display: inline-block;
  margin-bottom: 20px;
}

.principal_r_text{
  margin-left: 22px;
  width: 239px;
font-size: 20px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #FFFFFF;
line-height: 30px;
display: inline-block;

}

.principal_main:hover{
  
background: linear-gradient(0deg, #00467F, #003967);
}

.principal_main:hover .principal_xian{
background: #FFFFFF;
  }


.zhanshi{
  width: 100%;
  min-width: 1200px;
  overflow: hidden;
  margin-top: 60px;
  margin-bottom: 100px;
}

.chanpin{
  width: 33.333333%;
  height: 288px;
  padding-top: 78px;
  float: left;
}

.chanpin1{
  background: url('../image/chanpin1_02.jpg') no-repeat;
  background-size: cover;

}

.chanpin2{
  background: url('../image/chanpin1_03.jpg') no-repeat;
  background-size: cover;

}

.chanpin3{
  background: url('../image/chanpin1_04.jpg') no-repeat;
  background-size: cover;

}

.chanpin_title{
font-size: 20px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #FFFFFF;
line-height: 30px;
text-align: center;

}

.chanpin_text{
  width: 357px;
font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #FFFFFF;
line-height: 30px;
margin: 0 auto;
margin-top: 29px;

}

.chanpin_text span{
  display: block;
  text-align: center;
}