.header{
  width: 100%;
  min-width: 1200px;
  left: left;
  margin: 0 auto;
  min-width: 1200;
  transition: all 0.5s linear;
  -webkit-transition: all 0.5s linear;
  background: #fff;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  box-shadow: 0px 3px 0.12rem 0px rgba(75, 109, 156, 0.25);
}
.header-container{
  width: 100%;
  padding: 5px 60px;
  float: left;
}
.header-left{
  float: left;
}
.header-left img{
  /* width: 80px; */
  /* height: 60px; */
}
.header-left img:nth-of-type(2){
  width: 80px;
  height: 45px;
  margin: 10px 0;
}
.header-ul{
  float: right;
}
.header-ul li{
  float: left;
  margin-left: 100px;
  /* margin-left: 1%; */
  position: relative;
}
.header-ul li a{
  color: #333333;
  color: #222;
  font-size: 18px;
  font-weight: 400;
  display: block;
  padding: 20px 0 20px 0;
  position: relative;
}
.header-ul li a:hover{
  color: #006BFF; 
}
.header-ul li:first-child{
  margin-left: 0 !important;
}
.header-ul li:hover a:after{
  width: 100%;
}
.header-ul li a:after{
  float: left;
  width: 0;
  height: 2px;
  position: absolute;
  left: 50%;
  top: 55px;
  content: '';
  background: #006BFF;
  transition: all 0.5s linear;
  -webkit-transition: all 0.5s linear;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%); 
} 
.header-ul li .header-dl{
  width: 130px;
  height: 0;
  display: none;
  background: #FFFFFF;
  border-radius:0 0 4px 4px;
  position: absolute;
  top: 72px;
  left: -35%;
  z-index: 99;
}
.header-ul li .header-dl dd{
  text-align: center;
}
.header-ul li .header-dl dd a{
  color: #555555;
  font-size: 14px;
  padding: 20px 0 5px 0;
}
.header-ul li .header-dl dd a:hover{
  color: #006BFF;
}
.header-ul li .header-dl dd a:after{
  width: 0;
}
.header-ul li:hover .header-dl {
  display: block;
  padding-top: 0px;
  margin-top: 0px;
  padding-bottom: 0px;
  margin-bottom: 0px;
}
.header-ul li .header-dl:hover{
  display: block;
}