@media (min-width:1700px) {



.tab2-bottom li:last-of-type{
  border:none;
}
.tab2-bottom span{
  font-size: 50px;
  color: #666;
  position: relative;
  font-family: impact;
}
.tab2-bottom span:before{
  content: "+";
  width: 16px;
  height: 16px;
  /* background: url(../img/jia.png) no-repeat center; */
  position: absolute;
  right: -21px;
  top: -8px;
  font-size: 34px;
  font-family: arial;
}
.tab2-bottom .a1{color:#ff6f4a;}
.tab2-bottom .a2{color:#68ceee;}
.tab2-bottom .a3{color:#90c748;}
.tab2-bottom h3,.tab2-bottom p{
  font-size: 14px;
  color: #777;
  width: 50%;
  margin: 5px auto 0;
  line-height: 1.7;
}















.about_top{
  margin-top:5%;
}
.about_bc{
    background: url(../img/aboutbc.jpg) center top no-repeat;
   /* background-attachment: fixed;*/
    /*background-size: cover;*/
}
.about_hx1{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
}
.about_hx2{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
  margin-bottom: 161px;
}
.about_sx1{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -480px;
    margin-left: 180px;
}
.about_sx2{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -501px;
    margin-left: 360px;
}
.images1{
  margin-top: -460px;
    position: absolute;
    left: 60px;

}
.images2{
  margin-top: -460px;
    position: absolute;
    left: 225px;

}
.images3{
  margin-top: -460px;
    position: absolute;
    right:60px;

}
.images4{
  margin-top: -305px;
    position: absolute;
    left: 60px;
}

.images5{
  margin-top: -305px;
    position: absolute;
     left: 225px;
}
.images6{
  margin-top: -305px;
    position: absolute;
    right:60px;
}

.images7{
  margin-top: -135px;
    position: absolute;
    left: 60px;
}

.images8{
  margin-top: -135px;
    position: absolute;
     left: 225px;
}
.images9{
  margin-top: -135px;
    position: absolute;
    right:60px;
}



.about_right_title{
  font-size:18px;
  color: #b79364;
}
.about_right_ftitle{
  font-size:12px;
  color: #9c9c9c;
  padding-top:5px;
}
.about_right_hx dd{
  width:85px;
  border:2px solid #b79364;
  background: #b79364; 
  margin-top:10px;
}
.about_right_text{
  font-size:13px;
  color: #000;
  line-height:34px;
  padding-top:5%;
}
.about_right_img img{
       margin-top: -260px;
    z-index: -1;
    position: absolute;
}
.about_center_bc{
   background: url(../img/about_center.jpg) center top;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
    margin-top: 5%;
}
.about_center_title{
  font-size:20px;
  color: #fff;
  text-align: center;
  padding-top:7%;
}
.about_center_ftitle{
  font-size:15px;
  color: #fff;
  text-align: center;
  padding-top:20px;
}
.about_center_top{
  padding-top:3%;
}
.about_center_a{
  border:1px solid #eeeeee;
  background: #eeeeee;
  height:350px;
  padding:0px 10px;
  margin-bottom: 80px;
}
.about_center_a dt{
  font-size:18px;
  text-align: center;
  padding-top:5%;
}
.about_center_a dt i{
  color: #b79364;
  font-style:normal;
}
.about_center_a dd{
  font-size:15px;
  line-height: 35px;
  padding-top:20px;
  border-bottom: 1px solid #b5b5b5;
  padding-bottom:25px
}
.about_c li{
  display: inline-table;
    padding-top: 20px;
    font-size: 75px;
    color: #b79364;
    font-weight: bold;
}
.about_c li img{
  padding-left:20px;
}
.about_li {
 padding-left:25%;
}


}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width:1200px) and (max-width:1700px) {

.tab2-bottom li:last-of-type{
  border:none;
}
.tab2-bottom span{
  font-size: 50px;
  color: #666;
  position: relative;
  font-family: impact;
}
.tab2-bottom span:before{
  content: "+";
  width: 16px;
  height: 16px;
  /* background: url(../img/jia.png) no-repeat center; */
  position: absolute;
  right: -21px;
  top: -8px;
  font-size: 34px;
  font-family: arial;
}
.tab2-bottom .a1{color:#ff6f4a;}
.tab2-bottom .a2{color:#68ceee;}
.tab2-bottom .a3{color:#90c748;}
.tab2-bottom h3,.tab2-bottom p{
  font-size: 14px;
  color: #777;
  width: 50%;
  margin: 5px auto 0;
  line-height: 1.7;
}

.about_top{
  margin-top:5%;
}
.about_bc{
    background: url(../img/aboutbc.jpg) center top no-repeat;
   /* background-attachment: fixed;*/
    /*background-size: cover;*/
}
.about_hx1{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
}
.about_hx2{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
  margin-bottom: 161px;
}
.about_sx1{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -480px;
    margin-left: 180px;
}
.about_sx2{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -501px;
    margin-left: 360px;
}
.images1{
  margin-top: -460px;
    position: absolute;
    left: 60px;

}
.images2{
  margin-top: -460px;
    position: absolute;
    left: 225px;

}
.images3{
  margin-top: -460px;
    position: absolute;
    right:60px;

}
.images4{
  margin-top: -305px;
    position: absolute;
    left: 60px;
}

.images5{
  margin-top: -305px;
    position: absolute;
     left: 225px;
}
.images6{
  margin-top: -305px;
    position: absolute;
    right:60px;
}

.images7{
  margin-top: -135px;
    position: absolute;
    left: 60px;
}

.images8{
  margin-top: -135px;
    position: absolute;
     left: 225px;
}
.images9{
  margin-top: -135px;
    position: absolute;
    right:60px;
}
.images1 dd{
  display: none;
}



.about_right_title{
  font-size:18px;
  color: #b79364;
}
.about_right_ftitle{
  font-size:12px;
  color: #9c9c9c;
  padding-top:5px;
}
.about_right_hx dd{
  width:85px;
  border:2px solid #b79364;
  background: #b79364; 
  margin-top:10px;
}
.about_right_text{
  font-size:13px;
  color: #000;
  line-height:34px;
  padding-top:5%;
}
.about_right_img img{
      margin-top: -260px;
    z-index: -1;
    position: absolute;
}
.about_center_bc{
   background: url(../img/about_center.jpg) center top;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
    margin-top: 5%;
}
.about_center_title{
  font-size:20px;
  color: #fff;
  text-align: center;
  padding-top:7%;
}
.about_center_ftitle{
  font-size:15px;
  color: #fff;
  text-align: center;
  padding-top:20px;
}
.about_center_top{
  padding-top:3%;
}
.about_center_a{
  border:1px solid #eeeeee;
  background: #eeeeee;
  height:350px;
  padding:0px 10px;
  margin-bottom: 80px;
}
.about_center_a dt{
  font-size:18px;
  text-align: center;
  padding-top:5%;
}
.about_center_a dt i{
  color: #b79364;
  font-style:normal;
}
.about_center_a dd{
  font-size:15px;
  line-height: 35px;
  padding-top:20px;
  border-bottom: 1px solid #b5b5b5;
  padding-bottom:25px
}
.about_c li{
  display: inline-table;
    padding-top: 20px;
    font-size: 75px;
    color: #b79364;
    font-weight: bold;
}
.about_c li img{
  padding-left:20px;
}
.about_li {
 padding-left:25%;
}

}



/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width:992px) and (max-width:1200px) {
.tab2-bottom li:last-of-type{
  border:none;
}
.tab2-bottom span{
  font-size: 50px;
  color: #666;
  position: relative;
  font-family: impact;
}
.tab2-bottom span:before{
  content: "+";
  width: 16px;
  height: 16px;
  /* background: url(../img/jia.png) no-repeat center; */
  position: absolute;
  right: -21px;
  top: -8px;
  font-size: 34px;
  font-family: arial;
}
.tab2-bottom .a1{color:#ff6f4a;}
.tab2-bottom .a2{color:#68ceee;}
.tab2-bottom .a3{color:#90c748;}
.tab2-bottom h3,.tab2-bottom p{
  font-size: 14px;
  color: #777;
  width: 50%;
  margin: 5px auto 0;
  line-height: 1.7;
}

.about_top{
  margin-top:5%;
}
.about_bc{
    background: url(../img/aboutbc.jpg) center top no-epeat;
   /* background-attachment: fixed;*/
    /*background-size: cover;*/
}
.about_hx1{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
}
.about_hx2{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
  margin-bottom: 161px;
}
.about_sx1{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -480px;
    margin-left: 180px;
}
.about_sx2{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -501px;
    margin-left: 360px;
}
.images1{
  margin-top: -460px;
    position: absolute;
    left: 60px;

}
.images2{
  margin-top: -460px;
    position: absolute;
    left: 225px;

}
.images3{
  margin-top: -460px;
    position: absolute;
    right:60px;

}
.images4{
  margin-top: -305px;
    position: absolute;
    left: 60px;
}

.images5{
  margin-top: -305px;
    position: absolute;
     left: 225px;
}
.images6{
  margin-top: -305px;
    position: absolute;
    right:60px;
}

.images7{
  margin-top: -135px;
    position: absolute;
    left: 60px;
}

.images8{
  margin-top: -135px;
    position: absolute;
     left: 225px;
}
.images9{
  margin-top: -135px;
    position: absolute;
    right:60px;
}
.images1 dd{
  display: none;
}


.about_right_title{
  font-size:18px;
  color: #b79364;
}
.about_right_ftitle{
  font-size:12px;
  color: #9c9c9c;
  padding-top:5px;
}
.about_right_hx dd{
  width:85px;
  border:2px solid #b79364;
  background: #b79364; 
  margin-top:10px;
}
.about_right_text{
  font-size:13px;
  color: #000;
  line-height:34px;
  padding-top:5%;
}
.about_right_img img{
       margin-top: -260px;
    z-index: -1;
    position: absolute;
}
.about_center_bc{
   background: url(../img/about_center.jpg) center top;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
    margin-top: 5%;
}
.about_center_title{
  font-size:20px;
  color: #fff;
  text-align: center;
  padding-top:7%;
}
.about_center_ftitle{
  font-size:15px;
  color: #fff;
  text-align: center;
  padding-top:20px;
}
.about_center_top{
  padding-top:3%;
}
.about_center_a{
  border:1px solid #eeeeee;
  background: #eeeeee;
  height:350px;
  padding:0px 10px;
  margin-bottom: 80px;
}
.about_center_a dt{
  font-size:18px;
  text-align: center;
  padding-top:5%;
}
.about_center_a dt i{
  color: #b79364;
  font-style:normal;
}
.about_center_a dd{
  font-size:15px;
  line-height: 35px;
  padding-top:20px;
  border-bottom: 1px solid #b5b5b5;
  padding-bottom:25px
}
.about_c li{
  display: inline-table;
    padding-top: 20px;
    font-size: 75px;
    color: #b79364;
    font-weight: bold;
}
.about_c li img{
  padding-left:20px;
}
.about_li {
 padding-left:25%;
}

}


/* 小屏幕（平板，大于等于 768px） */
@media (min-width:768px) and (max-width:992px) {
  .tab2-bottom li:last-of-type{
  border:none;
}
.tab2-bottom span{
  font-size: 50px;
  color: #666;
  position: relative;
  font-family: impact;
}
.tab2-bottom span:before{
  content: "+";
  width: 16px;
  height: 16px;
  /* background: url(../img/jia.png) no-repeat center; */
  position: absolute;
  right: -21px;
  top: -8px;
  font-size: 34px;
  font-family: arial;
}
.tab2-bottom .a1{color:#ff6f4a;}
.tab2-bottom .a2{color:#68ceee;}
.tab2-bottom .a3{color:#90c748;}
.tab2-bottom h3,.tab2-bottom p{
  font-size: 14px;
  color: #777;
  width: 50%;
  margin: 5px auto 0;
  line-height: 1.7;
}
.about_top{
  margin-top:5%;
}
.about_bc{
    background: url(../img/aboutbc.jpg) center top top no-epeat;
   /* background-attachment: fixed;*/
    /*background-size: cover;*/
}
.about_hx1{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
}
.about_hx2{
  border-top:1px solid #b5b5b5;
  width: 100%;
  margin-top: 161px;
  margin-bottom: 161px;
}
.about_sx1{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -480px;
    margin-left: 180px;
}
.about_sx2{
  border-left: 1px solid #b5b5b5;
    height: 500px;
    margin-top: -501px;
    margin-left: 360px;
}
.images1{
  margin-top: -460px;
    position: absolute;
    left: 60px;

}
.images2{
  margin-top: -460px;
    position: absolute;
    left: 225px;

}
.images3{
  margin-top: -460px;
    position: absolute;
    right:60px;

}
.images4{
  margin-top: -305px;
    position: absolute;
    left: 60px;
}

.images5{
  margin-top: -305px;
    position: absolute;
     left: 225px;
}
.images6{
  margin-top: -305px;
    position: absolute;
    right:60px;
}

.images7{
  margin-top: -135px;
    position: absolute;
    left: 60px;
}

.images8{
  margin-top: -135px;
    position: absolute;
     left: 225px;
}
.images9{
  margin-top: -135px;
    position: absolute;
    right:60px;
}
.images1 dd{
  display: none;
}



.about_right_title{
  font-size:18px;
  color: #b79364;
}
.about_right_ftitle{
  font-size:12px;
  color: #9c9c9c;
  padding-top:5px;
}
.about_right_hx dd{
  width:85px;
  border:2px solid #b79364;
  background: #b79364; 
  margin-top:10px;
}
.about_right_text{
  font-size:13px;
  color: #000;
  line-height:34px;
  padding-top:5%;
}
.about_right_img img{
     margin-top: -260px;
    z-index: -1;
    position: absolute;
}
.about_center_bc{
   background: url(../img/about_center.jpg) center top;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
    margin-top: 5%;
}
.about_center_title{
  font-size:20px;
  color: #fff;
  text-align: center;
  padding-top:7%;
}
.about_center_ftitle{
  font-size:15px;
  color: #fff;
  text-align: center;
  padding-top:20px;
}
.about_center_top{
  padding-top:3%;
}
.about_center_a{
  border:1px solid #eeeeee;
  background: #eeeeee;
  height:350px;
  padding:0px 10px;
  margin-bottom: 80px;
}
.about_center_a dt{
  font-size:18px;
  text-align: center;
  padding-top:5%;
}
.about_center_a dt i{
  color: #b79364;
  font-style:normal;
}
.about_center_a dd{
  font-size:15px;
  line-height: 35px;
  padding-top:20px;
  border-bottom: 1px solid #b5b5b5;
  padding-bottom:25px
}
.about_c li{
  display: inline-table;
    padding-top: 20px;
    font-size: 75px;
    color: #b79364;
    font-weight: bold;
}
.about_c li img{
  padding-left:20px;
}
.about_li {
 padding-left:25%;
}

}