.head{
  height: 370px;
}
.top-box{
  width: 100%;
  height: 60px;
  background: #114696;
}
.nav-box {
  width: 1200px;
  margin: 0 auto;
}
.nav a {
  font-size: 22px;
  color: #fff;
}
.nav .nLi {
  float: left;
  text-align: center;
  height: 60px;
  line-height: 60px;
  margin-right: 20px;
}
.nav .nLi:nth-last-child(1){
  margin-right: 10px;
}
.nav .nLi a {
  display: block;
  padding: 0 20px;
  letter-spacing: 2px;
}
.nav .nLi a img{
  margin-top: -5px;
  margin-right: 5px;
}
.nav .on a {
  background: #002E72;
}
.searchLine input{width: 217px;height: 40px;outline: none;border: 0;float: left;font-size: 20px;padding: 0 10px;box-sizing: border-box;}
.searchLine button{background: url(../img/search.png) center center no-repeat;width: 86px;height: 40px;border: 0;background-color: #002E72;float: left;}