/*整体样式*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* Firefox */
  -webkit-box-sizing: border-box;
  /* Safari */
}
.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0}
.clearfloat{zoom:1}
body {
  font-family: 'Microsoft YaHei',Helvetica, Arial, sans-serif;
  color: #333333;
  font-size: 14px;
}
a,
a:focus,
a:active {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a:hover{
  text-decoration: none;
}
ul,li{
  list-style: none;
}
button{
  outline: none;
  border: none;
  cursor: pointer;
  background: none;
}
.w_content{
  width: 1200px;
  margin: auto;
  position: relative;
  z-index: 10;
}
/*页头和页脚*/
.header{
  position: relative;
  z-index: 1000;
  height: 140px;
}
.header_top{
  background:#0071c1;
}
.top_link{
  height: 50px;
  line-height: 50px;
}
.top_link .link_lf{
  color: #cbe9ff;
  margin-right: 30px;
}
.top_link .link_rt{
  color: #cbe9ff;
  margin-left: 30px;
  float: right;
}
.header_bot{
  background: #ffffff;
}
.header_nav{
  height: 90px;
  padding-left: 360px;
}
.logo{
  position: absolute;
  height:49px;
  width: 353px;
  left: 0;
  top: 21px;
}
.nav_list{
  height: 90px;
}
.nav_item{
  float: left;
  height: 90px;
  z-index: 100;
  position: relative;
  padding: 36px 15px 0;
}
.nav_main{
  display: inline-block;
  height: 30px;
  line-height: 1;
  font-size: 18px;
  border-bottom: 2px solid transparent;
}
.sub_list{
  width: 100%;
  position: absolute;
  left: 0;
  top: 89px;
  background:#ffffff;
  white-space: nowrap;
  display: none;
  z-index: 100;
  padding: 10px 0;
  box-shadow: 0 2px 4px 2px rgba(0, 0, 0, 0.17);
}
.sub_list:before{
  content: '';
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 6px solid #ffffff;
  position: absolute;
  top: -6px;
  left: 50%;
  margin-left: -5px;
}
.sub_item{
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  color: #4f4f4f;
  font-weight: bold;
  text-align: center;
}
.sub_item a{
  display: block;
}
.sub_item:hover{
  background: #e8e8e8;
}
.nav_list .choose .nav_main{
  border-bottom: 2px solid #0071c1;
}
.nav_item:hover .sub_list{
  display: block;
}
.nav_item:hover{
  background:#E0EEF7;
}
.box_search{
  width: 150px;
  height: 28px;
  position: absolute;
  top: 30px;
  right: 0;
  border: 1px solid #0071c1;
  background-color:#0071c1 ;
}
.box_search input{
  height: 26px;
  line-height: 24px;
  border: 1px solid transparent;
  outline: none;
  width: 121px;
  padding: 0 10px;
  float: left;
  background: #ffffff;
}
.box_search .query{
  width: 26px;
  height: 26px;
  cursor: pointer;
  background:url("../img/search2.png");
  position: absolute;
  right: 0;
  top: 0;
  z-index: 100;
}
.footer{
  height: 340px;
  position: relative;
  overflow: hidden;
}
.bg_footer{
  position: absolute;
  width: 1920px;
  height: 340px;
  top: 0;
  left: 50%;
  margin-left: -960px;
}
.footer_top{
  padding-top: 34px;
  height: 228px;
}
.footer_bot{
  position: relative;
  z-index: 1000;
  height: 112px;
  background-color: rgba(0,43,74,.6);
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99002B4A,endColorstr=#99002B4A);
}
.box_ewm{
  height: 160px;
  width: 124px;
  float: left;
  margin-right: 70px;
}
.box_ewm .ewm_title{
  height: 20px;
  line-height: 20px;
  margin-bottom: 15px;
  font-size: 16px;
  color: #ffffff;
  font-weight: bold;
}
.box_ewm img{
  height: 124px;
  width: 124px;
}
.box_link{
  float: left;
  height: 160px;
  margin-left: 50px;
}
.box_link .link_title{
  height: 20px;
  line-height: 20px;
  margin-bottom: 15px;
  font-size: 16px;
  color: #ffffff;
  font-weight: bold;
}
.link_table{
  height: 124px;
  vertical-align: middle;
}
.link_table td{
  padding-right: 40px;
}
.link_table td a{
  font-size: 14px;
  color: #ffffff;
}
.footer_bot .w_content{
  height: 100%;
  padding-top: 26px;
}
.footer_logo{
  height: 48px;
  margin-top: 6px;
  float: left;
}
.footer_text{
  height: 60px;
  float: left;
  margin-left: 30px;
}
.footer_text p{
  height: 20px;
  line-height: 20px;
  font-size: 12px;
  color: #d9efff;
  opacity: 0.5;
}