.introduce_banner{
	height: 451px;
	background: url('/resources/v1/img/introduce/banner_top.jpg') no-repeat top;
}

.introduce_ad{
  margin-top: -70px;
}

.introduce_ad ul.overHide {
  overflow: initial;
  display: inline-block;
}

.introduce_ad ul li {
  width: 280px;
  height: 146px;
  padding: 10px 20px;
  border-radius: 6px;
  background-color: #fff;
  box-shadow: 4px 4px 6px 2px rgba(0,0,0,0.25) ! important;
}

.introduce_ad ul li.mg-r_10 {
  margin-right: 26px;
}

.introduce_ad ul li .icon_left {
  width: 60px;
  float: left;
  height: 100%;
  margin-right: 20px;
  margin-top: 28px;
}
.introduce_ad ul li .icon_left span{
  width: 60px;
  height: 60px;
  line-height: 54px;
  text-align: center;
  display: block;
  border: 2px solid #ddd;
  border-radius: 50%;
}
.introduce_ad ul li .icon_left span img{
  width: 40px;
  height: 40px;
}

.introduce_ad ul li .li_content .li_content_top{
  font-size: 18px;
  line-height: 24px;
  margin-bottom: 10px;
  margin-top: 10px;
  color: #333;
}

.introduce_title h1{
  color: rgb(161,36,52);
	margin-top: 40px;
	margin-bottom: 40px;
	font-size: 30px;
	padding-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.introduce_content p{
  font-size: 18px;
  color: #333;
  text-indent: 2em;
}

.introduce_mode:last-child{
  margin-bottom: 40px;
}

.introduce_content .rang_box{
  margin-right: 100px;
}
.introduce_content .rang_box:last-child{
  margin-right: 0;
}

.rang_span{
  margin-bottom: 12px;
  width: 110px;
  height: 110px;
  border: 5px solid #ddd;
  border-radius: 50%;
  line-height: 100px;
  text-align: center;
  margin: 0 auto;
}

.introduce_content ul.brandList{
  display: flow-root;
  padding-bottom: 40px;
}

.introduce_content ul.brandList li{
  float: left;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 2px 2px 4px 2px rgba(0,0,0,0.25);
  margin-right: 81px;
  margin-bottom: 50px;
  overflow: hidden;
}

.introduce_content ul.brandList li:nth-of-type(5n){
  margin-right: 0px;
  
}

.introduce_content ul.cksList{
  display: flow-root;
}

.introduce_content ul.cksList li{
  float: left;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 2px 2px 4px 2px rgba(0,0,0,0.25);
  margin-right: 81px;
  margin-bottom: 50px;
  overflow: hidden;
  width: 344px;
  height: 260px;
}

.introduce_content ul.cksList li img{
  width: 100%;
  height: 100%;
}

.introduce_content ul.cksList li:nth-of-type(3n){
  margin-right: 0px;
  
}