body{
   
}
.banner{
  position: absolute;
  left: 0;
  top:0;
  width: 100%;
  height: 628px;
  background: url(../images/about/ban.jpg) no-repeat center top;
  background-size: cover;
}

.main{
  margin-top: 628px;
  background: url(../images/about/bg.jpg) no-repeat center top;
  background-size: cover;
}
.wuyan{
  height: 82px;
  padding: 64px 0 0;
  background: url(../images/about/wuyan.png) no-repeat center bottom;
}
.contain{
  background: url(../images/about/mainbg.jpg) repeat;
}
.smenu{
  line-height: 70px;
}
.smenu .sn{
  float: left;
  width: 32.6%;
  margin-left: 1.1%;
  background: url(../images/about/subbg1.jpg) repeat;
  transition: all 0.35s;
  -webkit-transition:all 0.35s;
  -moz-transition:all 0.35s;
  -ms-transition:all 0.35s;
  -o-transition:all 0.35s;
}
.smenu .sn.sn1{
  margin-left: 0;
}
.smenu .sn a{
  font-size: 1.25rem;
  color: #ae7d4d;
}
.smenu .sn:hover,.smenu .sn.cur{
  background: url(../images/about/subbg2.jpg) repeat;
}
.smenu .sn:hover a,.smenu .sn.cur a{
  color: #f8f0e6;
}

.smenu .sn i{
  display: inline-block;
  width: 36px;
  height: 36px;
  margin:18px 10px 0 130px;
  float: left;
  transition: all 0.35s;
  -webkit-transition:all 0.35s;
  -moz-transition:all 0.35s;
  -ms-transition:all 0.35s;
  -o-transition:all 0.35s;
}
.smenu .sn1 i{
  background: url(../images/about/ab1_1.png) no-repeat;
}
.smenu .sn1:hover i,.smenu .sn1.cur i{
  background: url(../images/about/ab1.png) no-repeat;
}
.smenu .sn2 i{
  background: url(../images/about/ab2_1.png) no-repeat;
}
.smenu .sn2:hover i,.smenu .sn2.cur i{
  background: url(../images/about/ab2.png) no-repeat;
}

.smenu .sn3 i{
  background: url(../images/about/ab3_1.png) no-repeat;
}
.smenu .sn3:hover i,.smenu .sn3.cur i{
  background: url(../images/about/ab3.png) no-repeat;
}
.contain .title{
  line-height: 2;
  font-size: 1.125rem;
  padding: 3rem 0 1rem;
  margin:0 2rem;
  text-align: center;
  border-bottom: 1px dashed #ccc;
}
.contain .content{
  line-height: 1.8;
  padding:2rem 2rem 4rem;
}

/*当屏幕尺寸小于1200px时，应用下面的CSS样式*/
@media screen and (max-width: 1200px) {
  
}
/*当屏幕尺寸小于992px时，应用下面的CSS样式*/
@media screen and (max-width: 992px) {
    
}
/*当屏幕尺寸小于992px时，应用下面的CSS样式*/
@media screen and (max-width: 992px) {
    
}
/*当屏幕尺寸小于768px时，应用下面的CSS样式*/
@media screen and (max-width: 768px) {
  .banner{height: 14rem;}
  .main{height: auto;margin-top:14rem;background: none;}
  .wuyan{padding-top: 0rem; height: 54px;}
  .smenu{line-height: 3rem;}
  .smenu .sn{width: 33.33%;margin-left: 0;}
  .smenu .sn i{margin:18px 0 0;display: none;}
  .smenu .sn a{display:block;font-size: 1.125rem; text-align: center;}
  .contain .title{padding:2rem 0 1rem;margin:0 0.8rem;}
  .contain .content{padding:1rem 0.8rem;}
}