.header {
  /*overflow: hidden;*/
  width: 100%;
  background: #fff;
  margin-top:1px;
}
.header .mid {
  /*display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;*/
}
/*.header .mid ul {
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: center;
}
.header .mid ul li {
  font-size: 16px;
  line-height: 35px;
  color: #333333;
  margin-left: 25px;
  border-bottom: 3px solid #fff;
}
.header .mid ul li a {
  color: #333333;
}
.header .mid ul li:hover {
  border-bottom: 3px solid #FF6E00;
  transition: all .3s;
}
.header .mid ul li.on {
  border-bottom: 3px solid #FF6E00;
}*/

.header .top{ height: 28px; background: #333; line-height: 28px}
.header .top p{ float: left; font-size: 14px; color: #FFF}
.header .top span{ float: right; padding-left: 26px; background: url(../images/top-phone.png) left no-repeat; font-size: 14px; color: #FFF}
.header .logo{ float: left;margin-top: 12px;}
.header .nav{ float: right;}
.header li.nav-item{ position: relative; float: left; margin-left:  20px; 
  font-size: 16px; color: #fff; line-height: 42px;
   cursor: pointer;
    padding: 6px 8px;
    margin-top: 6px;
}
.header li.active:hover{border-bottom: none;}
.header li.nav-item:before{ position: absolute; display: none; bottom: 3px; left: 0; width: 100%; height: 3px;content: ""}
.header li.nav-item .active{
    color: #FF6E00;
}
.header li.nav-item.active:before{ display: block}
/*.header li.nav-item:hover:before{ display: block}*/
.header li.nav-item .nav-menu{ position: absolute; top:56px;
    left:7%;z-index: 999991;
    display: none;
  }
.header li.nav-item .nav-menu ul{
  width: 565px;
height: 440px;
  background: #fff;
  border:1px solid #ff7811;
  border-radius: 6px;
  position: relative;
}
.header li.nav-item .nav-menu ul:after{
  position: absolute;
    left: 15px;
    top: -9px;
  content: '';
  width: 32px;
  height: 14px;
  background: url(../images/daohang.png)no-repeat center;
  background-size: 100%;
}
.header li.nav-item:hover .nav-menu{ display: block;}
.header li.nav-item .active {background: #FF6E00;
border-radius: 4px;
color: #fff;
}
.header .nav-menu li{
  width: 100%;
  height: 68px;
  padding: 0;
  margin-top: 18px;

}

.header .nav-menu li:nth-child(4){
  height: 102px;
}

.header .nav-menu li:nth-child(4) ol{
  height: 102px;
}
.header .nav-menu li:nth-child(4) h3{
  margin-top: 33px;
}
.header .nav-menu li:nth-child(2),.header .nav-menu li:nth-child(3){
  margin-top: 0;
}
.header .nav-menu li:nth-child(2) ol,.header .nav-menu li:nth-child(3) ol{
  line-height: 68px;
}
.header .nav-menu li:nth-child(5) ol{
  border-bottom: 0;
}

.header .nav-menu li h3{
  float: left;
  font-size: 16px;
  color: #ff6e00;
  background:#ffe2cc;
  width: 98px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  margin-top: 18px;
  border-radius: 2px;
  margin-left: 20px;
}
.header .nav-menu li:nth-child(2) h3,.header .nav-menu li:nth-child(3) h3{
  margin-top: 24px;
}
.header .nav-menu li ol{
    border-bottom: 1px solid #eee;
    width: 410px;
    margin-right: 20px;
    height: 68px;
    float: right;
    line-height: 30px;
}


.header li.nav-item a:hover{
background: #FF6E00;
border-radius: 4px;
color: #fff;
}
.header li.nav-item a{
    padding: 6px 5px;
        line-height: 38px;
}


.header li .menu-left{   content: " ";
                         float: right;
                         height: 10px;
                         width: 10px;
                         border-width: 1.5px 1.5px 0 0;
                         border-color: #fff;
                         border-style: solid;
                         transform: rotate(45deg);
                         margin-top: -4px;
                         margin-right: 16px;
}
.header .nav-menu ul li a{
    padding: 0px 5px;
    /* line-height: 3px; */
    display: inline-block;
    height: 26px;
    text-align: center;
    line-height: 26px;

}

.header .nav-menu ul li:nth-child(4) a{
      padding: 0px 3px;
}