@colorfff: #fff;
@fontSize18: 18px;
.displayflex(@jc: flex-start, @ai: stretch,@wrap: nowrap) {
  display: flex;
  flex-direction: row;
  flex-wrap: @wrap;
  justify-content: @jc;
  align-items: @ai;
}
.displaybox(@num:2) {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: @num;
  overflow: hidden;
}
.navShow {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}
.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
 transition: 0.3s;
}
.nav-container:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: url(/static/english/images/b_bg.png) center top no-repeat;
  background-size: 100% 100% !important;
  height: 160px;
  z-index: -1;
  transition: 0.5s;
  pointer-events: none;
}
.width1400 {
  width: 1400px;
  margin: 0 auto;
}
.nav-main {
  .displayflex(space-between);
}
.nav-left {
  width: 301px;
  margin-right: 20px;
}
.nav-logo {
  width: 100%;
  height: 100px;
  line-height: 100px;
}
.nav-right {
  flex: 1;
}
.navbar-toggle {
  position: relative;
  float: right;
  margin-right: 15px;
  margin-top: 8px;
  margin-bottom: 8px;
  background-color: transparent;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
  display: none;
}
/*menu*/
.navMenu-ul {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}
#navMenu {
  width: 90%;
  display: flex;
  justify-content: space-between;
}
#navMenu > ul {
  .displayflex(space-between);
  height: 32px;
  width: 100%;
}
#navMenu li {
  position: relative;
}
#navMenu li a {
  color: #fff;
  display: block;
  line-height: 32px;
  height: 100%;
  text-align: center;
  transition: all 0.2s linear;
  font-size: 16px;
  width: 100%;
  text-decoration: none;
}
#navMenu .sub {
  position: absolute;
  top: 100%;
  background: #fff;
  width: auto;
  left: 50%;
  z-index: 10000;
  transform: translateX(-50%) scaleY(0);
  visibility: hidden;
  filter: alpha(opacity=0);
  opacity: 0;
  transition: 0.5s;
  transform-origin: top;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  border-radius: 0 0 10px 10px;
  overflow: hidden;
}
#navMenu li:hover .sub {
  opacity: 1;
  visibility: inherit;
  transform: translateX(-50%);
}
#navMenu .sub .box {
  padding: 3px 0 0;
  text-align: center;
}
#navMenu ul li .sub a {
  display: flex;
  padding: 0;
  position: relative;
  z-index: 2;
  height: 100%;
  width: auto;
  align-items: center;
  padding: 8px 30px;
  line-height: 28px;
  transition: 0.6s;
  font-size: 14px;
  color: #666666;
  text-align: center;
  white-space: nowrap;
  font-family: SourceHanSerifCN-Bold;
  min-width: 160px;
  justify-content: center;
}
#navMenu ul li .sub:after {
  content: "";
  height: 3px;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: #e2be8f;
}
#navMenu ul li .sub a:hover {
  background: #003277;
  color: @colorfff;
}
#navMenu li ul li {
  float: none;
  height: 32px;
  width: 100%;
  overflow: hidden;
}
#navMenu li ul li a {
  width: 100%;
  display: block;
  text-align: center;
  color: #eeeeee;
  font-size: 14px;
  line-height: 32px;
  height: 32px;
  transition: all 0.2s linear;
}

.big-nav {
  position: fixed;
  z-index: 49;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: url(/static/english/images/Banner.png) no-repeat center;
  background-size: cover;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
}

.big-nav .scroll {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: 200px;
  bottom: 0;
  overflow-y: auto;
  padding-bottom: 0.3rem;
}

.big-nav .scroll .wp {
  max-width: 100%;
  flex-wrap: nowrap;
}
.wp {
  margin: 0 auto;
  max-width: 100%;
  width: 94%;
}

.big-nav .scroll dl {
  width: 15%;
  margin-bottom: 20px;
  transform: translateY(100px);
  opacity: 0;
  overflow: hidden;
  text-align: center;
}
.big-nav .scroll dl dt {
  font-family: "bell";
  font-size: 16px;
  font-weight: bold;
  padding-bottom: 15px;
  margin-bottom: 20px;
  position: relative;
}
.big-nav .scroll dl dt:after {
  content: "";
  height: 1px;
  width: 0;
  position: absolute;
  left: 50%;
  bottom: 0;
  background: #fff;
  transform: translateX(-50%);
}
.big-nav .scroll dl dt a {
  color: #fff;
  font-size: 18px;
}
.big-nav .scroll dl dd ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.big-nav .scroll dl dd ul li {
  width: 100%;
  margin-bottom: 15px;
  font-size: 14px;
  line-height: 20px;
}
.big-nav .scroll dl dd ul li a {
  color: #fff;
}
body.navShow .big-nav-block {
  opacity: 1;
  visibility: initial;
}
body.navShow .header:before {
  opacity: 0;
}

body.navShow .big-nav .scroll dl {
  transform: translateY(0);
  opacity: 1;
}
body.navShow .big-nav {
  opacity: 1;
  visibility: visible;
}
body.navShow .big-nav .scroll dl dt:after {
  width: 20px;
  transition: width 0.6s 1s linear;
}
body.navShow .nav-left {
  display: none;
}
body.navShow .navMenu-ul {
  display: none;
}
body.navShow .big-nav .scroll .wp dl:nth-child(1) {
  transition: 0.8s 0.2s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(2) {
  transition: 0.8s 0.3s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(3) {
  transition: 0.8s 0.4s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(4) {
  transition: 0.8s 0.5s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(5) {
  transition: 0.8s 0.6s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(6) {
  transition: 0.8s 0.7s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(7) {
  transition: 0.8s 0.8s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(8) {
  transition: 0.8s 0.9s;
}
body.navShow .big-nav .scroll .wp dl:nth-child(9) {
  transition: 0.8s 1s;
}
#search.showdiv {
  opacity: 1;
  visibility: visible;
}
#search {
  background: rgba(206, 146, 57, 0.9);
  background: url(/static/english/images/Banner.png) no-repeat center;
  background-size: cover;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-out 0s;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-pack: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}
.layer.showdiv .serform {
  transform: translateY(0);
  transition: 0.5s 0.3s;
}
.serform {
  width: 90%;
  margin: 0 auto;
  transform: translateY(1.5rem);
  transition: 0.2s 0.1s;
}
#divu21 {
  width: 100%;
}
.layer .tit {
  text-align: center;
  font-size: 20px;
  margin-bottom: 30px;
  color: #fff;
}
.layer .serform .input-group {
  max-width: 550px;
  margin: 0 auto;
}
.pore {
  position: relative;
}
.layer .serform .input-group .inp {
  height: 40px;
  border: 0;
  border-right: 0;
  padding-right: 20px;
  width: 100%;
  padding-left: 10px;
  box-sizing: border-box;
}
.layer .serform .input-group .sub {
  position: absolute;
  right: 0;
  top: 0;
  width: 50px;
  height: 40px;
  overflow: hidden;
  background: 0 0;
  background: #620b62;
  border: none;
}
.layer .serform .input-group .sub:after {
  content: "";
  background: url(/static/english/images/search.png) no-repeat center;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 0;
  right: 0;
  cursor: pointer;
}
.search-close {
  position: absolute;
  top: 30px;
  right: 20px;
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  color: @colorfff;
  font-size: 24px;
  z-index: 1000;
  cursor: pointer;
}
.scrolling .nav-container {
  background: rgba(0, 50, 119, 0.75);
  padding: 15px 0;
  backdrop-filter: blur(5px);
  // background-image: -moz-linear-gradient( 0deg, rgba(117,35,125,.9) 0%, rgba(155,51,121,.9) 100%);
  // background-image: -webkit-linear-gradient( 0deg, rgba(117,35,125,.9) 0%, rgba(155,51,121,.9) 100%);
  // background-image: -ms-linear-gradient( 0deg, rgba(117,35,125,.9) 0%, rgba(155,51,121,.9) 100%);
}
.scrolling .nav-container:before {
  background: none;
}
.scrolling .nav-right-top {
  display: none;
}
.scrolling .nav-logo {
  height: 49px;
  line-height: 49px;
}
.scrolling .nav-container .navbtn {
  background: none;
  top: 50%;
}
.scrolling .nav-container .navbtn2 {
  background: none;
  top: 50%;
  display: none;
}
.nav-container .navbtn {
  width: 80px;
  height: 48px;
  background: #003277;
  transition: 0.3s;
  position: absolute;
  top: 46%;
  right: 0;
  z-index: 5;
  color: #fff;
  text-align: center;
  border-radius: 24px 0 0 24px;
  transform: translateY(-50%);
}
.nav-container .navbtn2 {
  width: 80px;
  height: 48px;
  background: #003277;
  transition: 0.3s;
  position: absolute;
  top: 46%;
  right: 0;
  z-index: 5;
  color: #fff;
  text-align: center;
  border-radius: 24px 0 0 24px;
  transform: translateY(-50%);
}
.menu-btn {
  overflow: hidden;
  width: 36px;
  height: 36px;
  background: 0 0;
  opacity: 1;
  position: absolute;
  z-index: 999;
  top: 50%;
  transform: translateY(-50%);
  left: 20px;
  outline: none;
  border: none;
  -webkit-appearance: none;
  border-radius: 0;
  cursor: pointer;
}
.menu-btn .line-1,
.menu-btn .line-2,
.menu-btn .line-3 {
  position: absolute;
  top: 50%;
  right: 0;
  display: block;
  width: 36px;
  height: 2px;
  background: #fff;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1) 0s;
  transition-property: transform, width, margin, background-color;
  margin-top: -1px;
}
.menu-btn .line-1 {
  margin-top: -12px;
  width: 30px;
}
.menu-btn .line-3 {
  margin-top: 10px;
  width: 30px;
}
.navbtn2 .menu-btn .line-1,
.navbtn2 .menu-btn .line-3 {
  width: 36px;
}
body.navShow .menu-btn .line-1 {
  visibility: hidden;
}
body.navShow .menu-btn .line-2 {
  margin-top: -1px !important;
  width: 100%;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
body.navShow .menu-btn .line-3 {
  margin-top: -1px !important;
  width: 100%;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.nav-right-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.flex {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.nav-right-top ul li {
  margin-right: 10px;
  height: 20px;
}
.nav-right-top ul li a {
  display: block;
/*   padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.6); */
  color: #fff;
/*   line-height: 18px;
  height: 18px;
  border-radius: 10px;
  font-size: 12px; */
  transition: 0.3s;
}
.nav-search {
  cursor: pointer;
}
.nav-search img {
  width: 18px;
}
.navShow .nav-right-top {
  display: flex;
  justify-content: center;
}
.navShow .nav-right-top .flex {
  display: flex;
  justify-content: center;
}
.navShow .nav-container {
  background: none;
}