*{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
}
ul a {
    color: black;
}
a{
    text-decoration: none;
}
.both{
    clear: both;
}
.top{
    width:100%; 
    height: 720px;
}
.nav{
    width: 100%;
    height:100px;
    background-color: #fff;
    position: relative;
    top:4%;
}
.logo{
    margin-left: 2%;
    width:20%;
    float:left;
}
.check{ color: #ff0000; text-align: center;}
.check a{ color:#ff0000}
.check::after{
  content: '';
  width: 80%;
  height: 1px;
  display: block;
  margin: 0 auto;
  border-bottom: 2px solid #ff0000;
  margin-top:-5px;
  transition: all .5s ease-out;
}
.check1{ color: #ff0000; text-align: center;}
.check1:after{
    content: '';
  width: 80%;
  height: 1px;
  display: block;
  margin: 0 auto;
  border-bottom: 2px solid #ff0000;
  margin-top:-5px;
}
.nav ul li{
    float:left;
    width:10%;
    text-align: center;
    line-height: 100px;
}
.product{
    
}
.title{
    margin-top: 3%;
    text-align: center;
}
.title img {
    width:300px;
}
.title_list{
    margin: auto;
    width:80%;
    height:40px;
    background-color: #019160;
    line-height: 40px;
    color:#fff;
    margin-top: 3%;
}
.title_list span{
    display: block;
    margin-left:5%;
}
.product_f{
    width: 80%;
    margin: auto;
    margin-top: 2%;
}
.product_list{
    width:32%;
    height:500px;
    background-color: #f0f0f0;
    float: left;
}
.list2{
    margin-left: 2%;
    margin-right:2%;

}
.product_thumb{
    padding-top: 6%;
    text-align: center;
    margin-bottom: 6%;
}
.product_thumb img{
    width:350px;
}
.name{
    width:90%;
    margin: auto;
    font-size: 26px;
    font-weight: bold;
}
.descp{
    width:90%;
    margin: auto;
    font-size: 20px;
    line-height: 220%;
}
.product_p{
    width: 80%;
    height:420px;
    background-color: #f0f0f0;
    margin: auto;
    margin-top: 2%;
    position: relative;
    overflow: hidden;
}
.product_p div{
    float: left;
}
.p_thumb{
    width: 50%;
    text-align: center;
    padding-top: 5%;
}
.p_thumb img {
    width: 450px;
}
.p_name{
   
    line-height: 350%;
    width: 43%;
    position: absolute;
    top: 50%;
    left: 70%;
    transform: translate(-50%, -50%);
}
.p_name_i{
    font-size: 26px;
    font-weight: bold;
}
.p_descp{
    font-size:20px;
}
.q_kg{
    margin-top: 3%;
}
.q_kg img{
    width: 100%;
}
.footer{
    background-color: #e70012;
    width:100%;
    height:200px;
    margin-top: 8%;
   }
   .footer_logo{
        padding-top: 5%;
        padding-left: 15%;
        float: left;
   }
   .footer_logo img{
        width:200px;
   }
   .shuxian{
    float:left;
    width:2px;
    height:100px;
    border-left: #ffffff solid 2px;
    margin-left: 3%;
    margin-top: 3%;
   }
   .about_us{
    width:30%;
    float: left;
    color:#ffffff;
    margin-left: 3%;
    margin-top: 3%;
   }
   .about{
    font-size: 20px;
   }
   .l_about{
    float: left;
    padding-top: 5%;
    line-height: 200%;
   }
   .r_about{
    float: right;
    padding-top: 5%;
    line-height: 200%;
   }

   .media{
    width:20%;
    float: left;
    color:#ffffff;
    margin-left: 3%;
    margin-top: 3%;
   }

   .icon{
    padding-top: 10%;
   }