/* 头部  start*/

header {
    width: 100%;
    min-width: 1180px;
    height: 129px;
    background-color: #ffffff;
  }
  
  .head_top {
    width: 100%;
    height: 29px;
    background-color: #f1f1f1;
    padding-top: 7px;
    box-sizing: border-box;
  }
  
  .head_top>ul>li {
    font-size: 12px;
    font-family: "Microsoft YaHei";
    color: rgb(136, 136, 136);
    float: left;
    line-height: 14px;
  }
  .head_top>ul>li>a{
    font-size: 12px;
    font-family: "Microsoft YaHei";
    color: rgb(136, 136, 136);
    text-decoration: none;
    cursor: pointer;
  }
  .head_top>ul>li>a:hover{
    color: #004b92;
    text-decoration:underline;
  }
  .head_top>ul>li:nth-child(2) {
    width: 48px;
    text-align: center;
    border-left: 1px solid rgb(136, 136, 136);
    border-right: 1px solid rgb(136, 136, 136);
    margin: 0 10px;
  }
  
  .head_top>ul>li:nth-child(4) {
    float: right;
    margin-left: 35px;
  }
  
  .head_top>ul>li:nth-child(5) {
    float: right;
  }
  
  .head_bottom {
    height: 100px;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    -moz-justify-content: space-between;
    -ms-justify-content: space-between;
    -o-justify-content: space-between;
    justify-content: space-between;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
  }
  
  .head_bottom>ul {
    width: 746px;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    -moz-justify-content: space-between;
    -ms-justify-content: space-between;
    -o-justify-content: space-between;
    justify-content: space-between;
  }
  
  .head_bottom>ul>li {
    line-height: 100px;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: rgb(51, 51, 51);
    line-height: 2.571;
    width: 57px;
    text-align: center;
    border-bottom: 2px solid #ffffff;
    cursor: pointer;
    position: relative;
  }
  .head_bottom>ul>li>a{
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: rgb(51, 51, 51);
    text-decoration: none;
    color: inherit;
  }
  .head_bottom>ul>li>span{
    padding-top: 8px;
    box-sizing: border-box;
    width: 110px;
    position: absolute;
    top: 38px;
    left: -26px;
    z-index: 3;
  }
  .head_bottom>ul>li>span>a{
    text-decoration: none;
    display: block;
    background-color: #333333;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    color: rgb(255, 255, 255);
    line-height: 40px;
    border-bottom: 1px solid #3b3b3b;
  }
  .head_bottom>ul>li>span>a:hover{
    background-color: #004b92;
  }
  .head_bottom>ul>li:hover {
    border-bottom: 2px solid #313131;
  }
  .this_index{
    color:#0058ab!important;
    border-bottom: 2px solid #2759a5!important;
  }
  /* 头部  end*/