@media screen and (max-width: 1600px) {
  .nav > .item {
    margin: 0 20px !important;
  }
}
.header2 {
  position: fixed;
  top: 0;
  width: 100%;
  height: 122px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  z-index: 999;
}
.header2.s2 {
  background-color: #fff;
}
.header2.s2 > div {
  display: block;
}
.header2.s2 .nav > .item > a {
  color: #1B68B2;
}
.header2.s2 .nav > .item > a:hover,
.header2.s2 .nav > .item > a.on {
  border-bottom: 2px solid #1B68B2;
}
.header2 .logo {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 122px;
  background: url(../images/logo.png?v=8g6lA1c00AywszFFPJ0i8g%3D%3D) no-repeat;
  background-size: 160px auto;
  background-position: center center;
}
.header2 .nav {
  display: none;
  height: 122px;
  max-width: 1400px;
  margin: 0 auto;
}
.header2 .nav > .item {
  position: relative;
  display: inline-block;
  height: 122px;
  line-height: 122px;
  margin: 0 28px;
}
.header2 .nav > .item > a {
  color: #fff;
  padding-bottom: 6px;
  font-size: 16px;
  border-bottom: 2px solid transparent;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.header2 .nav > .item > a:hover,
.header2 .nav > .item > a.on {
  border-bottom: 2px solid #fff;
}
.header2 .nav > .item > a:hover {
  padding-bottom: 20px;
}
.header2 .nav > .item.on > a {
  border-bottom: 2px solid #1B68B2;
}
.header2 .nav > .item:hover .menu-box {
  visibility: visible;
  opacity: 1;
}
.header2 .nav > .item .menu-box {
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.8s;
  -o-transition: all 0.8s;
  transition: all 0.8s;
}
.header2 .nav > .item .drop-menu {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  position: absolute;
  top: 100px;
  left: -400px;
  width: 888px;
  height: 320px;
}
.header2 .nav > .item .drop-menu .menu-logo {
  width: 408px;
  height: 100%;
  background: url(../images/logo3.png?v=GbMCf5o2GYA1DQqmdjKeVA%3D%3D) no-repeat;
  background-size: 200px auto;
  background-position: center center;
  background-color: #ecf7fb;
}
.header2 .nav > .item .drop-menu .menu-nav {
  width: 382px;
  height: 100%;
  background-color: #0079C3;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.header2 .nav > .item .drop-menu .menu-nav > .item {
  display: block;
  width: 100%;
  height: 60px;
  line-height: 60px;
  text-align: center;
}
.header2 .nav > .item .drop-menu .menu-nav > .item a {
  padding: 0;
  color: #fff;
  font-size: 16px;
}
.header2 .nav > .item .drop-menu .menu-nav > .item a:hover {
  text-decoration: underline;
  padding-bottom: 10px;
}
.header2 .language {
  display: none;
  position: absolute;
  right: 0;
  width: 140px;
  height: 50px;
  margin-left: 36px;
  margin-right: 36px;
  text-align: center;
  line-height: 50px;
  color: #fff;
  background: #1b68b2;
  border: 2px solid #1b68b2;
  border-radius: 36px;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.header2 .language:hover {
  -webkit-box-shadow: 0 4px 8px 2px rgba(27, 104, 177, 0.4);
  box-shadow: 0 4px 8px 2px rgba(27, 104, 177, 0.4);
}
.header2 .language a {
  display: inline-block;
  font-size: 16px;
  -webkit-transform: scale(1);
  -ms-transform: scale(1);
  transform: scale(1);
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  padding: 0 10px;
  cursor: pointer;
}
.header2 .language a:hover {
  color: #a0d9f6;
  -webkit-transform: scale(1.4);
  -ms-transform: scale(1.4);
  transform: scale(1.4);
}
.header2 .language a.on {
  color: #a0d9f6;
}