body {
  font-size: 16px;
  min-height: 100%;
  background: #fff;
  min-width: 1500px;
}
a {
  text-decoration: none;
  color: #333;
}
#button-to-top {
  background: url(../images/up.png) no-repeat center center;
  background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid #CCCCCC;
  position: fixed;
  bottom: 50px;
  right: 0px;
  z-index: 997;
  display: block;
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 2px;
  text-align: center;
  font-size: 20px;
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
}
@media screen and (max-width: 375px) {
  body {
    font-size: 14px;
  }
}
.main-box {
  width: 100%;
  position: relative;
  background: url(../images/header-bg.jpg);
  background-color: #004a96;
}
.main-box .header .pc-header {
  height: 100%;
  padding: 29px 0 19px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
.main-box .header .pc-header .layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.main-box .header .pc-header .logo a {
  display: block;
  width: 463px;
  height: 90px;
}
.main-box .header .pc-header .logo a img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.main-box .header .pc-header .search {
  padding-top: 2px;
  display: flex;
  align-items: center;
}
.main-box .header .pc-header .search form {
  height: 43px;
  border: 1px solid #82a2d2;
  border-radius: 25.5px;
}
.main-box .header .pc-header .search form input {
  border: none;
  background: none;
  width: 195px;
  height: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  color: #fff;
  padding-left: 26px;
}
.main-box .header .pc-header .search form input::-webkit-input-placeholder {
  color: #fff;
  font-size: 16px;
}
.main-box .header .pc-header .search form button {
  width: 50px;
  height: 100%;
  border: none;
  padding-left: 0;
  padding-right: 20px;
  background: none;
}
.main-box .header .pc-header .search .link {
  margin-right: 18px;
  color: #82A2D2;
  font-family: "RobotoRegular";
}
.main-box .header .pc-header .search .link a {
  font-size: 16px;
  color: #82A2D2;
  padding: 0 16px;
}
.main-box .header .pc-header .search .link .line:last-of-type {
  display: none;
}
.nav {
  color: #fff;
  transition: all 1s linear;
}
.nav .menu .down-item {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 80px;
  width: 186px;
  margin: 0 auto;
  background: #2389f2;
  box-sizing: border-box;
  z-index: 5;
}
.nav .menu .down-item a {
  display: block;
  height: 49px;
  line-height: 49px;
  box-sizing: border-box;
  padding: 0 10px;
  text-align: center;
  color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  border-bottom: 1px solid #5fa9f6;
  font-family: "RobotoCondensedRegular";
}
.nav .menu .down-item a:hover {
  color: #2389f2;
  background-color: #fff;
  border-bottom: 1px solid #fff;
}
.nav .menu .menu_item {
  float: left;
  width: 14.2%;
  position: relative;
  box-sizing: border-box;
  padding-bottom: 20px;
  transition: all 0.5s;
}
.nav .menu .menu_item:hover > a .title .cn_title {
  color: #2389f2;
}
.nav .menu .menu_item:last-child > a .title::after {
  width: 0;
}
.nav .menu .menu_item > a {
  color: #fff;
  text-align: center;
  position: relative;
}
.nav .menu .menu_item > a .title::after {
  position: absolute;
  content: '';
  left: 100%;
  top: 12px;
  width: 1px;
  height: 43px;
  background: #307ECD;
}
.nav .menu .menu_item > a .title .cn_title {
  font-size: 22px;
  line-height: 40px;
  font-weight: bold;
  transition: all 0.5s;
}
.nav .menu .menu_item > a .title .en_title {
  font-size: 20px;
  line-height: 24px;
  font-weight: bold;
  font-family: "RobotoCondensedRegular";
  color: #82A2D2;
}
footer {
  position: relative;
  margin-top: -127px;
  height: 338px;
  background: url(../images/footer_bg.png) no-repeat top center / cover;
  box-sizing: border-box;
  z-index: 1;
}
footer .footer_container {
  height: 281px;
}
footer .footer_container .layout {
  padding-top: 109px;
}
footer .footer_container .layout .logo {
  float: left;
  width: 407px;
  height: 80px;
  margin-top: 38px;
}
footer .footer_container .layout .logo img {
  width: 100%;
}
footer .footer_container .layout .line {
  float: left;
  margin: 0 88px 0 84px;
  height: 155px;
  width: 1px;
  background: url(../images/line.png) no-repeat;
}
footer .footer_container .layout .contact {
  float: left;
  color: #fff;
  width: 385px;
  margin-top: -12px;
}
footer .footer_container .layout .contact .title span {
  font-size: 24px;
  line-height: 34px;
}
footer .footer_container .layout .contact .title i {
  font-size: 22px;
  margin-left: 10px;
}
footer .footer_container .layout .contact ul {
  margin-top: 12px;
}
footer .footer_container .layout .contact .info {
  font-size: 16px;
  line-height: 30px;
  display: flex;
}
footer .footer_container .layout .contact .info .con {
  width: 48px;
}
footer .footer_container .layout .contact .info .text {
  flex: 1;
}
footer .footer_container .layout .contact .info:nth-child(1) .text::after {
  display: inline-block;
  vertical-align: middle;
  content: '';
  width: 29px;
  height: 22px;
  background: url(../images/add_icon.png) no-repeat right top;
      cursor: pointer;
}
footer .footer_container .layout .links {
  float: left;
  margin-left: 96px;
  margin-top: 43px;
}
footer .footer_container .layout .links .links_btn {
  width: 333px;
  height: 49px;
  line-height: 49px;
  background: url(../images/link-icon.png) no-repeat right 18px center;
  background-size: 16px 9px;
  background-color: transparent;
  border: 1px solid #7bafe9;
  position: relative;
  z-index: 99;
}
footer .footer_container .layout .links .links_btn > span {
  width: 95%;
  box-sizing: border-box;
  padding: 0 20px;
  font-size: 16px;
  color: #fff;
  white-space: nowrap;
}
footer .footer_container .layout .links .links_btn .links_item {
  display: none;
  width: 100%;
  bottom: 50px;
  background: transparent;
  position: absolute;
  max-height: 143px;
  overflow-y: scroll;
  border: 1px solid #7bafe9;
}
footer .footer_container .layout .links .links_btn .links_item a {
  padding: 0 20px;
  width: 100%;
  height: 50px;
  display: block;
  color: #fff;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}
footer .copyright {
  color: #fff;
  line-height: 26px;
  padding: 15px 0;
  text-align: center;
  font-size: 16px;
  background-color: #024080;
}
footer .copyright .space {
  padding: 0 10px;
}
footer .copyright i {
  font-style: normal;
}
footer .copyright a {
  color: #68a4e2;
}
footer .copyright a:hover {
  color: #2681d7;
}
.copyright_i div {
 display: inline;
}