.clearfix {
  zoom: 1;
}
.clearfix:after {
  clear: both;
  display: block;
  content: '';
}
.knowledgeMain {
  width: 100%;
  height: auto;
  background: #f3f3f4;
  overflow: hidden;
}
.knowledgeMain .breadcrumb {
  margin: 0 auto;
  width: 1172px;
  height: 94px;
  line-height: 94px;
  font-family: "Microsoft Yahei";
  font-size: 14px;
  color: #666969;
  padding-left: 108px;
}
.knowledgeMain .breadcrumb a {
  color: #666969;
  text-decoration: none;
}
.knowledgeMain .breadcrumb a:hover {
  color: #102444;
}
.knowledgeMain .breadcrumb i {
  font-style: normal;
  margin: 0 10px;
}
.knowledgeMain .knowledge_list {
  margin: 0 auto;
  width: 1280px;
  height: auto;
  background: #ffffff url(../images/bb_bg.png) 610px 120px no-repeat;
  margin-bottom: 116px;
  -webkit-box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
  -o-box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}
.knowledgeMain .knowledge_list ul {
  float: left;
  width: 980px;
  height: auto;
  padding: 120px 200px 112px 100px;
}
.knowledgeMain .knowledge_list ul h1 {
  width: 100%;
  height: 32px;
  font-family: "Microsoft Yahei";
  font-size: 30px;
  color: #102346;
  margin-bottom: 50px;
}
.knowledgeMain .knowledge_list ul p {
  line-height: 24px;
  font-family: "Microsoft Yahei";
  font-size: 14px;
  color: #102346;
  margin-bottom: 34px;
}
.knowledgeMain .knowledge_list ul h4 {
  width: 100%;
  height: 18px;
  font-family: "Microsoft Yahei";
  font-size: 16px;
  font-weight: bold;
  color: #102346;
  margin: 80px 0 28px;
}