.header .banner {
  background: url("../images/banner_sdyjs.jpg") no-repeat center top;
  width: 100%;
  min-width: 1200px;
  height: 319px;
  box-sizing: border-box;
  padding-top: 30px;
}
.header .banner .headerCon {
  width: 1270px;
  margin: 40px auto 0;
}
.header .banner .headerCon .search {
  width: 394px;
      margin-top: 100px;
}
.header .banner .headerCon .search .English {
  color: #ffffff;
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  text-align: right;
  float: right;
}
.header .banner .headerCon .search form {
  width: 394px;
  height: 50px;
  line-height: 50px;
  display: block;
  background: #ffffff;
  margin: 0 auto;
  border: 3px solid #00693e;
  overflow: hidden;
}
.header .banner .headerCon .search form input {
  height: 50px;
  font-size: 18px;
  display: block;
  text-indent: 14px;
  width: 300px;
}
.header .banner .headerCon .search form button {
  width: 78px;
  height: 100%;
  cursor: pointer;
  background: #00693e;
  display: block;
  font-weight: bold;
  color: #FFFFFF;
  text-align: center;
  font-size: 20px;
}

.header .nav{height:50px;line-height:50px;}

.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: 999;
    background: rgba(23, 169, 60, 0.9);
    _top: 50px;
    top: 50px;
    left: 0px;
    width: 100%;
    }
.header .nav li ul li {
    display: block;
    width: 100%;
    float: none;
    position: relative;
    font-size: 16px;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
}
.header .nav li ul li a:hover{

	background: #149639; 
}