ul{
  list-style: none;}
a{
  text-decoration: none;}
.header{
  height: 50px;
  background: #2261c2;}
.header .nav{
  width: 1200px;
  height: 50px;
  line-height: 50px;
  margin: 0 auto;
  position: relative;
  z-index: 111;}
.header .nav li{
  float: left;
  width: 133px;
  height: 50px;
  line-height: 50px;
  text-align: center;}
.header .nav li a{
    color:#FFFFFF; line-height: 50px; overflow: hidden; text-decoration: none; display: block; cursor: pointer;font-size:18px;font-family:"Helvetica Neue","Hiragino Sans GB","Verdana","Microsoft YaHei","Arial","sans-serif";}
.header .nav li a:hover {
width: 100%;color:#FFFFFF;font-size:18px;font-family:"Helvetica Neue","Hiragino Sans GB","Verdana","Microsoft YaHei","Arial","sans-serif"; background: #cc2321;}
.header .nav li .second-nav{
  width: 200px;
  display: none;
  position: relative;
  margin-left:0px;}
.header .nav li .second-nav li{
    
  position: relative;
  width: 100%;
  height: 40px;
  line-height: 40px;
  background: #fff;}
.header .nav li .second-nav li a {
  width: 100%; height: 40px; color:#0054A7; line-height: 40px; overflow: hidden; text-decoration: none; display: block; cursor: pointer;font-size:16px;}
.header .nav li .second-nav li a span {
  width: 100%; height: 40px; text-align:center; line-height: 40px; display: block;font-size:16px;}
.header .nav li .second-nav li a:hover {
width: 100%;  color:#fff;font-size:16px;background: #005BAC;}
.header .nav li .second-nav li .third-nav{
  /*position: absolute;*/
  width: 250px;
  height: 200px;
  display: none;
  margin-left: 100%;
  margin-top: -50px;}