.header{
  background: #59a4ed;
}
.header .banner {
  background: url("../images/bg.jpg") no-repeat center top;
  width: 100%;
  min-width: 1200px;
  height: 303px;
  box-sizing: border-box;
  padding-top: 30px;
  background-size:cover;
}
.header .banner .headerCon {
  width: 1380px;
  margin: 40px auto 0;
}
.header .banner .headerCon .logo {
  margin-left: 115px;
}
.header .banner .headerCon .search {
  margin-top: 40px;
  margin-right: 160px;
}
.header .banner .headerCon .search a.English {
  font-weight: bold;
  color: #ffffff;
  display: block;
  margin: 16px 20px ;
  font-size: 18px;
}
.header .banner .headerCon .search a.button {
  width: 150px;
  height: 52px;
  border-radius: 30px;
  font-weight: bold;
  line-height: 49px;
  background: url(../images/icon_search.png) no-repeat 24px center #3f72bf;
  display: block;
  text-indent: 67px;
  color: #FFFFFF;
  font-size: 20px;
}

.header .nav ul li {
    float: left;
    color: #FFFFFF;
    width: 230px;
    position: relative;
    text-align: center;
}

.header .nav li  ul {
     display: none; 
    position: absolute;
    z-index: 99999;
    background: rgb(65 124 209);
    _top: 70px;
    top: 70px;
    left: 0px;
    width: 100%;
    height: auto;
    overflow: hidden;
    }
.header .nav li ul li {
    display: block;
    width: 100%;
    float: none;
    position: relative;
    font-size: 16px;
    height: 70px;
    line-height: 70px;
    overflow: hidden;
    background: rgb(65 124 209);
}
.header .nav li ul li a:hover{

	background:rgb(32 66 135); 
}
.main .light .con{
  overflow: hidden;
}