body {
  background: #fff;
}
.box_center {
  width: 1150px;
  margin: 0 auto;
}

/*header*/
#ht_header_wrap {
  position: fixed;
  top: 0;
  left: 0;
  background: #fff;
  width: 100%;
  z-index: 8000;
  border: 1px solid #ddd;
}
#ht_header_wrap + div {
  margin-top: 65px;
}
.header_fixed {
  box-shadow: 0px 1px 5px #a8a8a8;
}
.top_wrap {
  padding: 10px 0 5px;
  height: 50px;
}
.top_wrap .logo_box {
  float: left;
  height: 50px;
}
.logo_box .logo_box_img {
  height: 100%;
}
.top_wrap .nav_box {
  float: right;
}
.top_wrap .nav_box .nav_list {
}
.nav_box .nav_list > li {
  float: left;
  width: 110px;
  padding: 15px 0;
  text-align: center;
}
.nav_box .nav_list > li a {
  display: inline-block;
  position: relative;
  padding: 5px 0;
  color: #363636;
  font-size: 16px;
}
.nav_box .nav_list > li a:after {
  position: absolute;
  bottom: -2px;
  display: block;
  content: '';
  width: 100%;
  height: 2px;
  background: #084d99;
  -webkit-transform: scaleX(0);
  -moz-transform: scaleX(0);
  -o-transform: scaleX(0);
  transform: scaleX(0);
  -webkit-transition: all 0.2s ease-in-out;
  -moz-transition: all 0.2s ease-in-out;
  -o-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
}
.nav_box .nav_list > li:hover > a:after {
  -webkit-transform: scaleX(1);
  -moz-transform: scaleX(1);
  -o-transform: scaleX(1);
  transform: scaleX(1);
  /*border-bottom: 2px solid #084d99\9; */
}
.nav_box .nav_list > li:hover > a {
  color: #084d99;
}
.nav_box .nav_list > li a.down {
  border-bottom: 2px solid #084d99;
  color: #084d99;
}
.nav_box .nav_list > li:hover .child-nav-wrap {
  display: block;
}

/*.nav_box .nav_list > li a:hover,.nav_box .nav_list > li a.down{ border-bottom: 2px solid #084d99; color:#084d99;}*/

.child-nav-wrap{
  display: none;
  position: absolute;
  min-height: 200px;
  background: #f9f9f9;
  padding: 20px;
  box-sizing: border-box;
  left: 0;
  top: calc(100% - 2px);
  width: 100%;
  border-top: 1px solid #ddd;
  z-index: 1000;
  font-size: 14px;
  font-family: SourceHanSansSCVF-Regular;
}
.child-nav-wrap .child-nav-list{
  width: 1150px;
  display: flex;
  justify-content: flex-end;
  margin: auto;
}
.child-nav-wrap .child-nav-item{
  margin-left: 100px;
}
.child-nav-wrap .child-nav-item > .title{
color: #AAAAAA;
}
.child-nav-wrap .nav-list{
  display: flex;
  flex-direction: column;
}
.child-nav-wrap .nav-list > li{
  margin-top: 20px;
}
.child-nav-wrap .nav-list > li > a{
  color: #333333;
}
.child-nav-wrap .nav-list > li.active > a,
.child-nav-wrap .nav-list > li:hover > a{
  color: #084D99;
}


/* child-nav */
.child_nav_wrap {
  width: 100%;
  min-width: 1100px;
  height: 40px;
  background: #f9f9f9;
  color: #c9c9c9;
  font-size: 15px;
}
.child_nav_box {
  padding-top: 10px;
}
.child_nav_box .now_active {
  float: left;
  margin-left: 62px;
  font-size: 18px;
}
.child_nav_box .child_nav_list {
  float: right;
  margin-right: 115px;
  font-size: 95%;
}
.child_nav_list li {
  float: left;
}
.child_nav_list li a {
  display: block;
  color: #888;
  padding: 0 12px;
  text-align: center;
}
.child_nav_list li a:hover,
.child_nav_list li a.active {
  color: #084d99;
}

.nav_fixed {
  box-shadow: 0 1px 5px #a8a8a8;
}
.child_nav_wrap {
  position: fixed;
  top: 65px;
  left: 0;
  margin-top: 0 !important;
  z-index: 10;
}

/* footer */
#ht_footer_wrap {
  width: 100%;
  min-width: 1100px;
  height: 80px;
  padding: 40px 0;
  background: #084d99;
  color: #fff;
}
.footer_wrap {
  text-align: center;
}
.footer_wrap .footer_nav_wrap {
}
.footer_wrap .footer_nav {
  display: inline-block;
  margin: 10px 0;
}
.footer_wrap .intr {
  line-height: 22px;
  font-size: 12px;
}
.footer_nav li {
  float: left;
}
.footer_nav li a {
  color: #fff;
  font-size: 12px;
  padding: 0 12px;
}

/*返回顶部*/
.returnTop {
  display: none;
  position: fixed;
  right: 20px;
  bottom: 50px;
  width: 54px;
  height: 54px;
  background: #1e67b8;
  cursor: pointer;
  z-index: 10000;
}
.returnTop:hover {
  background: #084d99;
}
.returnTop img {
  width: 100%;
}