.header {
  width: 100%;
  min-width: 1200px;
  position: relative;
  background: url("/pub/header_bn.jpg") no-repeat center top;
  background-size: auto;
}
.header .headerTop {
  padding: 10px 10px 0;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  font-size: 18px;
  line-height: 30px;
}
.header .headerTop .yqlj a {
  display: inline-block;
  margin-right: 30px;
}
.header .headerTop .yqlj a i {
  display: inline-block;
  background: url("/pub/icon_gh.png") no-repeat center center;
  width: 16px;
  height: 18px;
  vertical-align: -2px;
  margin-right: 4px;
}
.header .headerTop .headerIcon i{
  font-style: inherit;
  display: inline-block;
  margin: 0 5px;
}
.header .headerTop .headerIcon .ipv {
  display: inline-block;
  margin-left: 10px;
  border-radius: 16px;
  padding: 0 12px;
  height: 30px;
  background: rgba(70, 148, 227, 0.2);
  color: #007aff;
}
.header .headerTop .headerIcon .ewm{
  position: relative;
  cursor: pointer;
}
.header .headerTop .headerIcon .ewm .ewmPic{
  position: absolute;
  top: 30px;
  left: -20px;
}
.header .headerTop .headerIcon .ewm.phone .ewmPic{
  left: -14px;
}
.header .headerCon {
  margin: 50px auto 0;
}
.header .headerCon .logo img {
  display: block;
  margin: 0 auto;
}
.header .headerCon .search {
  margin: 40px auto 80px;
}
.header .headerCon .search form {
  width: 680px;
  margin: 0 auto;
  border: 1px solid #c9cbca;
  height: 52px;
  line-height: 52px;
  position: relative;
  background: #FFFFFF;
  border-radius: 8px;
  display: block;
}
.header .headerCon .search form input {
  height: 52px;
  font-size: 20px;
  display: block;
  text-indent: 14px;
  width: 580px;
  background: none;
}
.header .headerCon .search form button {
  position: absolute;
  right: -1px;
  z-index: 2;
  top: -1px;
  width: 100px;
  height: 54px;
  cursor: pointer;
  color: #FFFFFF;
  font-size: 20px;
  border-radius: 8px;
  background: #4694e3;
  display: block;
  text-align: center;
}
.header .headerCon .search .hot {
  line-height: 26px;
  color: #2272c3;
  font-size: 18px;
  text-align: center;
  margin: 16px auto;
}
.header .headerCon .search .hot a {
  line-height: 26px;
  height: 26px;
  font-size: 16px;
  color: #4694e3;
  border-radius: 6px;
  display: inline-block;
  background: #FFFFFF;
  margin-right: 10px;
  padding: 0 12px;
}
.header .nav {
  background: rgba(70, 148, 227, 0.5);
  width: 100%;
  border-top: 1px solid #FFFFFF;
  color: #ffffff;
  position: relative;
}
.header .nav .con {
  width: 1200px;
  margin: 0 auto;
}
.header .nav .con ul li {
  float: left;
  width: 200px;
  text-align: center;
  line-height: 64px;
}
.header .nav .con ul li a {
  display: block;
  width: 100px;
  margin: 0 auto;
  position: relative;
}
.header .nav .con ul li a span{
  display: none;
  position: absolute;
  width:15px;
  height: 7px;
  bottom: -7px;
  z-index: 100;
  left: 42px;
  background: url("/pub/header_nav.png") no-repeat center center; 
}
.header .nav .con ul li.active a{
  background: rgba(70, 148, 227, 0.8);
  border-radius: 8px;
}
.header .nav .con ul li.blue a{
  background: rgba(70, 148, 227, 0.8);
  border-radius: 8px;
}
.header .nav .con ul li.active a span{
  display: block;
}
.header .nav .secondNav{
  width: 100%;
  text-align: center;
  height:0px;
  opacity:0;
  overflow:hidden;
}
.header .nav .secondNav .menu{
  width: 100%;
  padding: 10px 0;
  border-top: 1px solid #ffffff;
  z-index:99;
}
.header .nav .secondNav .menu ul{
  width: 1200px;
  margin: 0 auto;
}
.header .nav .secondNav .menu ul li{
  display: inline-block;
  margin: 10px;
  border: 1px solid #ffffff;
  color: #ffffff;
  overflow: hidden;
  border-radius: 6px;
  line-height: 33px;
  font-size: 18px;

}
.header .nav .secondNav .menu ul li a{
  display: block; 
  padding: 0 10px;
}
.header .nav .secondNav .menu ul li a:hover{
  background: rgba(70, 148, 227, 0.8);
}
@media (min-width: 1921px) {
  .header {
    background-size: 100% auto;
  }
}