.header-wrapper {
  position: sticky;
  left: 0;
  top: 0;
  width: 100%;
  background-color: #fff;
  z-index: 10;
  box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.1);
}
.header-wrapper .header-top-bg {
  background-color: #f5f5f5;
}
.header-wrapper .header-top-bg .header-top {
  display: flex;
  height: 55px;
  width: 1270px;
  margin: 0 auto;
  align-items: center;
}
.header-wrapper .header-top-bg .header-top .right {
  margin-left: auto;
  display: flex;
  align-items: center;
}
.header-wrapper .header-top-bg .header-top .right a {
  display: block;
  height: 55px;
  width: 115px;
  line-height: 55px;
  text-align: center;
  border-right: 1px solid #eee;
}
.header-wrapper .header-top-bg .header-top .right a:hover {
  background: #076cb9;
  color: #fff;
  border: none;
}
.header-wrapper .header-top-bg .header-top .right .date {
  padding-left: 15px;
  padding-right: 15px;
}
.header-wrapper .header-top-bg .header-top .right .weather {
  width: 120px;
  height: 35px;
  border: none;
  outline: none;
  margin-top: -7px;
  margin-left: 0px;
  margin-right: 10px;
}
.header-wrapper .header {
  height: 107px;
  width: 1270px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.header-wrapper .header > .logo {
  font-size: 0px;
}
.header-wrapper .header .nav-wrapper {
  height: 100%;
  margin-left: auto;
}
.header-wrapper .header .nav-wrapper .nav {
  height: 100%;
  display: flex;
}
.header-wrapper .header .nav-wrapper .nav .nav-item {
  display: flex;
  position: relative;
  margin-right: 60px;
  min-width: 80px;
}
.header-wrapper .header .nav-wrapper .nav .nav-item::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 0;
  height: 3px;
  background-color: #0075a9;
  transition: all 0.5s;
}
.header-wrapper .header .nav-wrapper .nav .nav-item.active::after {
  width: 100%;
}
.header-wrapper .header .nav-wrapper .nav .nav-item.active .nav-item-a {
  color: #0075a9;
}
.header-wrapper .header .nav-wrapper .nav .nav-item:hover::after {
  width: 100%;
}
.header-wrapper .header .nav-wrapper .nav .nav-item:hover .nav-item-a {
  color: #0075a9;
}
.header-wrapper .header .nav-wrapper .nav .nav-item .nav-item-a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 107px;
  text-align: center;
  font-size: 16px;
}
.header-wrapper .header .nav-wrapper .nav .nav-item .menu {
  display: none;
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  background-color: #fff;
}
.header-wrapper .header .nav-wrapper .nav .nav-item .menu .menu-item:last-child .menu-item-a {
  border-bottom: 1px solid #eeeeee;
}
.header-wrapper .header .nav-wrapper .nav .nav-item .menu .menu-item:hover .menu-item-a {
  color: #fff;
  background-color: #134b9f;
  border-color: #134b9f;
}
.header-wrapper .header .nav-wrapper .nav .nav-item .menu .menu-item .menu-item-a {
  display: block;
  min-width: 120px;
  height: 40px;
  border-top: 1px solid #eeeeee;
  border-left: 1px solid #eeeeee;
  border-right: 1px solid #eeeeee;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
  color: #666666;
  white-space: nowrap;
  padding: 0 30px;
}
.header-wrapper .header .search {
  margin-left: 70px;
  position: relative;
}
.header-wrapper .header .search img {
  display: block;
  width: 18px;
  height: 20px;
}
.page-backtop {
  position: fixed;
  right: 4px;
  top: 240px;
  z-index: 100;
  width: 90px;
  height: 100px;
  user-select: none;
  line-height: 1.4;
}
.page-backtop > .title {
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  background-color: #333333;
  color: #fff;
  position: relative;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  z-index: 10;
}
.page-backtop > .title::after {
  z-index: -1;
  position: absolute;
  left: 50%;
  top: 75%;
  transform: translateX(-50%);
  content: '';
  display: block;
  width: 0px;
  height: 0px;
  border: 10px solid transparent;
  border-top-width: 15px;
  border-top-color: #333333;
  border-bottom-color: transparent;
  border-left-color: transparent;
  border-right-color: transparent;
}
.page-backtop > .content-wrapper {
  box-shadow: 0 1px 2px #b4b4b4;
  margin: 0;
  padding: 0;
}
.page-backtop > .content-wrapper > .item:last-child {
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}
.page-backtop > .content-wrapper .item {
  height: 90px;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page-backtop > .content-wrapper .item:hover .content {
  display: block;
}
.page-backtop > .content-wrapper .item .content {
  display: none;
  z-index: 110;
  position: absolute;
  top: 0;
  right: 105%;
  margin-right: 0;
  padding: 0;
}
.page-backtop > .content-wrapper .item .content.impartialityStatement {
  width: 600px;
  transform: translateY(-340px);
}
.page-backtop > .content-wrapper .item .content.impartialityStatement img {
  max-width: 100%;
  height: calc(100vh - 40px);
}
.page-backtop > .content-wrapper .item:hover {
  background-color: #fafafa;
}
.page-backtop > .content-wrapper .item .iconfont {
  text-align: center;
  font-size: 40px;
  color: #096db9;
}
.page-backtop > .content-wrapper .item .title {
  text-align: center;
  font-size: 14px;
  color: #333;
}
.page-backtop > .backtop {
  margin-top: 8px;
  height: 30px;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #333333;
  cursor: pointer;
  border-radius: 4px;
  box-shadow: 0 1px 2px #b4b4b4;
}