* {
  -moz-user-select:none;/*火狐*/
  -webkit-user-select:none;/*webkit浏览器*/
  -ms-user-select:none;/*IE10*/
  -khtml-user-select:none;/*早期浏览器*/
  user-select:none;
}
body {
  font-family: '微软雅黑';
}
a {
  text-decoration: none;
  color: #000000;
}
.center {
  width: 1200px;
  margin: 0 auto;
}
.header {
  box-sizing: border-box;
  width: 100%;
  height: 250px;
  padding-top: 30px;
  background: url('../assets/header-bg.png') no-repeat;
  background-size: cover;
  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../assets/header-bg.png',sizingMethod='scale');
}
.header-title {
    width: 720px;
    line-height: 48px;
}
.navbar {
  overflow: hidden;
}
.back-btn {
  float: left;
}
.back-btn a{
  display: block;
  background: url('../assets/home.png') no-repeat;
  padding-left: 28px;
  background-size: 20px 20px;
  color: #ffffff;
}
.tabs {
  overflow: hidden;
  float: right;
}
.tabs li {
  float: left;
  margin-left: 38px;
}
.tabs li a {
  color: #ffffff;
}
.header-content {
  margin-top: 72px;
}
h1 {
  float: left;
  font-size: 40px;
  color: #ffffff;
}
.search-section {
  float: right;
}
.search-group {
  position: relative;
}
.search-group input {
  box-sizing: border-box;
  width: 385px;
  height: 40px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 40px;
  background: #4c8dc3;
  color: #ffffff;
  border: none;
  outline: none;
}
.search-group input::-webkit-input-placeholder {
  color: #ffffff;
  opacity: .7;
}
.search-group button {
  position: absolute;
  width: 20px;
  height: 20px;
  right: 20px;
  top: 10px;
  border: none;
  background-color: none;
  background: url('../assets/find.png') no-repeat;
  background-size: 20px 20px;
}
.search-section a {
  display: block;
  margin-left: 20px;
  margin-top: 10px;
  color: #ffffff;
  font-size: 14px;
}
.main-content {
  overflow: hidden;
}
.breadcrumb {
  padding: 26px 0 26px 30px;
  border-bottom: 1px solid #c4c4c4;
  background: url('../assets/location.png') no-repeat;
  background-size: 14px 20px;
  background-position: 10px center;
}
.seperate {
  padding: 0 2px;
}
.side-bar {
  box-sizing: border-box;
  width: 300px;
  float: left;
  margin-top: 16px;
  padding-left: 10px;
}
.side-bar li {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.side-bar li p {
  margin-left: 18px;
}
.side-bar>ul>li>p>a {
  display: block;
  color: #ffffff;
}
.side-bar>ul>li {
  font-size: 18px;
  line-height: 48px;
  height: auto;
  background: #2f6ea2;
  color: #ffffff;
  margin-bottom: 8px;
}
.side-bar li ul {
  background: #ffffff;
  color: #000000;
  font-weight: normal;
  font-size: 14px;
}
.side-bar .hasChild li {
  font-size: 16px;
}
.side-bar .hasChild li:hover {
  background-color: #f4f4f4;
}
.side-bar .active>p {
  color: #2f6ea2;
}
.catalogue.active>p{
  color: #ffffff;
}
.catalogue.active, .side-bar>ul>li.active:first-child {
  background: #609fd2;
}
.catalogue>ul>li>p {
  padding-left: 18px;
  background-image: url('../assets/files.png');
  background-repeat: no-repeat;
  background-position: 0 16px;
}
.catalogue>ul>li.active>p {
  background-image: url('../assets/files1.png');
}
.side-bar .hasChild .icon {
  position: absolute;
  top: 0;
  right: 18px;
  font-weight: bold;
}
.side-bar .hasChild .hasChild .icon {
  color: #2f6ea2;
  font-size: 18px;
  font-weight: bold;
}
.side-bar .hasChild ul {
  display: none;
}
.side-bar .hasChild.append>ul {
  display: block;
}
.content {
  min-height: 1018px;
  margin-top: 16px;
  margin-left: 330px;
}