*{
    margin: 0;
    padding: 0;
}
html{
    font-size:18px;
}

body{
    /*font-size: 14px;*/
    /*font-family:Helvetica;*/
    /*background-color: #f4f6f5;*/
}
a{
    text-decoration: none;
}
li{
    list-style: none;
}

input[type="text"],
input[type="number"],
input[type="submit"],
input[type="password"], 
input[type="button"],
textarea {
    appearance: none;
    -webkit-appearance: none;
    outline: none;
}






.clearfix::after{
    display: block;
    content: '';
    overflow: hidden;
    height: 0;
    width: 0;
    clear: both;
}
.clearfix{
    zoom: 1;
}
body{
    background-color: #ffffff;
    min-width:320px;
    margin: 0 auto;
    overflow-x: hidden;
  

}
img {
 
     vertical-align: middle;
}

input{
    outline: none;
    border: none;
}
.fl{
  float: left;
}
.fr{
  float: right;
}
.width1200{
    width: 1200px;
    margin:0 auto;
}
.width1300{
   width: 1600px;
    margin:0 auto;
}
   .width1210{
            width: 1200px;
            margin:0 auto;
        }
.top{
  width: 100%;
  text-align: center;
  display: block;
  position: relative;
}

.top .top1{

    text-align: center;
}



.top .top2{
  display: none;
  text-align: center;
}


.top .width1200{
  position: absolute;
  top: 20px;
  left: 0px;
  right: 0px;
  margin:0 auto;
  text-align: left;
}

.logo{
  height: 50px;
  width: 100%;
  display: block;
}
.model_box a{
  display: block;
  float: left;
  width: 250px;
  height: 215px;
  background-color: #ffffff;
  box-shadow: 0 0 10px #cdcdcd;
  border-radius: 10px;
  padding-top:1px;
  margin-right: 250px;
  margin-top: 50px;
}
.model_box a .img{
  display: block;
  width: 95px;
  height: 95px;
  background: url(../images/yq.png) no-repeat center;
  margin:28px auto;
  margin-bottom:10px;
  text-align: center;
  line-height: 95px;
  background-size: 88%;
}
.model_box a span{
  display: block;
  color: #000000;
  font-size: 18px;
  text-align: center;
}
.model_box a .ck{
  color: #969696;
  background: url(../images/jt.png) no-repeat center right;
  /* text-align: center; */
  width: 58px;
  margin: 7px auto;
}
.model_box a:hover{
  background-color: #6792ed;
}
.model_box a:hover .img{
   background: url(../images/yq1.png) no-repeat center;
}
.model_box a:hover span{
  color: #ffffff;
}
.model_box a:hover .ck{
  color: #ffffff;
  background: url(../images/jt1.png) no-repeat center right;
  /* text-align: center; */
  width: 58px;
  margin: 7px auto;
}
.model4,.model8{
  margin-right:0px;
}
@media only screen and (max-width: 1200px), only screen and (max-device-width: 1200px){
   .top .width1200{
        display: flex;
    } 
    
    .width1200{
        width: 95%;
    }

    .width1210{
        width: 95%;
    }
    .logo img{
      width: 90%;
    }
   
    .top .top1{
      display: none;
    }

    .top .top2{
      display: block;
    }

    .model_box a{
      width: 23.6%;
    margin-right: 1.33%;
    }


}
@media only screen and (max-width: 780px), only screen and (max-device-width: 780px){
  
    .model_box a{
      width: 32%;
      margin-right: 1%;
    }

    .model_box{

      flex-wrap: wrap;
      justify-content: space-between;
    }


}


@media only screen and (max-width: 600px), only screen and (max-device-width: 600px){
  
    .model_box a{
      width: 48%;
       float: left;
       margin-right: 0px;
    }

    .model_box{
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
    }
    .model_box a {
     height: auto;
      margin-top: 21px;
  }
  .model_box a:nth-child(2n){
    float: left;
  }
  .model_box a .img {
    display: block;
    width: 70px;
    height: 70px;
    background: url(yq.png) no-repeat center;
    margin: 11px auto;
    margin-bottom: 10px;
    text-align: center;
    line-height: 70px;
    background-size: 100%;
}
.model_box a .img  img{
  width: 37%;
}
.model_box a .ck {
    color: #969696;
    background: url(jt.png) no-repeat center right;
    /* text-align: center; */
    width: 58px;
    margin: 7px auto;
    font-size: 14px;
}
.model_box a span{
  font-size: 16px;
}

}