/* 全局重置和基础样式 */
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,button,input{margin:0;padding:0;border:0;outline:0;vertical-align:baseline;background:transparent;border:none}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}:focus{outline:0}ins{text-decoration:none}del{text-decoration:line-through}table{border-collapse:collapse;border-spacing:0}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.w-full {
  min-width: 1400px;
  width: 100%;
  box-sizing: border-box;
}

.w-1900 {
  max-width: 1920px;
  min-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.w-1400 {
  width: 1400px;
  margin: 0 auto;
}
.hero-banner-btn {
  white-space: nowrap;
}
ul,
li {
  list-style: none;
}
@media (max-width: 768px) {
  .w-1400 {
    width: 88%;
  }
  .w-1900 {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
  }
  .w-full {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
  }
}
.two-line-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.three-line-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

.four-line-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 5px 16px;
  background-color: transparent;
  border: 1px solid#ffffff;
  color: #ffffff;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
}

.btn:hover {
  background-color: #ffffff;
  color: #162d83;
}

.btn-primary {
  background-color: #162d83;
  border-color: #162d83;
  color: #ffffff;
}


@media (max-width: 768px) {
  .mobile-hide {
    display: none !important;
  }
}
@media (min-width: 769px) {
  .mobile-show {
    display: none!important;
  }
}
/* 头部导航 */
header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  padding: 0 80px 0 32px;
  margin: 0 auto;
}

.logo-img {
  margin-right: auto;
  height: 30px;
  width: auto;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
  margin-left: auto;
}
.nav-menu li {
  position: relative;
}

.nav-menu li {
  position: relative;
}
.nav-menu li .nav-item{
  pointer-events: none;
}
.nav-menu li .nav-item,.nav-menu li a {
  font-size: 14px;
  line-height: 80px;
  color: #fff;
  position: relative;
  font-weight: 500;
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-menu li .nav-item img {
  width: 16px;
  height: 16px;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
  margin-left: auto;
}

.nav-menu li {
  position: relative;
}
.header-actions {
  display: flex;
  align-items: baseline;
  gap: 32px;
  transform: translateX(30px);
}

.lang-switch {
  font-size: 14px;
  color: #fff;
  cursor: pointer;
}

.menu-icon {
  display: none;
  cursor: pointer;
}

/* 二级菜单样式 */
.nav-menu li .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #ffffff;
  width: 248px;
  word-break: break-all;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  list-style: none;
  overflow: hidden;
}
.nav-menu li:last-child .dropdown{
  right: 0;
  left: auto;
}

.nav-menu li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu li .dropdown li {
  padding: 0;
}

.nav-menu li .dropdown li a {
  padding: 15px 20px;
  font-size: 12px;
  color: #000;
  white-space: break-spaces;
  line-height: 26px;
}

.nav-menu li .dropdown li a:hover, .nav-menu li .dropdown li a.active {
  background-color: #162d83;
  color: #ffffff;
}

/* 移动端右侧菜单 */
.mobile-menu-wrap {
  position: fixed;
  top: 0;
  right: 0;
  width: 65vw;
  height: 100vh;
  background-color: #162d83;
  z-index: 99999;
  padding: 90px 24px 60px 24px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.mobile-menu-wrap.active {
  transform: translateX(0);
}

.mobile-menu-wrap .close-icon {
  position: absolute;
  top: 25px;
  right: 22px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  filter: brightness(0) invert(1);
  transition: transform 0.3s ease;
}

.mobile-menu-wrap .close-icon:hover {
  transform: rotate(90deg);
}

.mobile-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.mobile-menu > li {
  margin-bottom: 30px;
  position: relative;
}

.mobile-menu li a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  display: block;
  transition: color 0.3s ease;
  font-weight: 500;
  display: flex;
  gap: 4px;
  align-items: center;
}
.mobile-menu li a img {
  width: 16px;
  height: 16px;
}

.mobile-menu li a:hover,
.mobile-menu li a.active {
  color: #ffffff;
}

/* 移动端二级菜单样式 */
.mobile-menu li .dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  list-style: none;
  padding-left: 12px;
  padding-top: 8px;
}

.mobile-menu li .dropdown.show {
  max-height: 500px;
}

.mobile-menu li .dropdown li a {
  font-size: 10px;
  padding: 8px 0;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  padding-left: 0px;
}

.mobile-menu li .dropdown li a:hover,
.mobile-menu li .dropdown li a.active {
  color: #ffffff;
}

.mobile-menu li .dropdown li a:hover::before {
  background-color: #ffffff;
}

.mobile-menu li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 0;
}

.mobile-menu li > a img {
  transition: transform 0.3s ease;
}

.mobile-menu li > a.active img {
  transform: rotate(180deg);
}

.lang-en {
  padding: 2px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  cursor: pointer;
}

/* 菜单遮罩层 */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  header {
    background-color: rgba(22, 45, 131, 1);
  }
  .nav-menu li .dropdown {
    display: none;
  }
  html {
    scroll-padding-top: 72px;
  }
  .search-overlay {
    top: 72px;
  }
  header {
    height: 72px;
  }
  .header-container {
    padding: 25px 0;
  }
  .header-actions {
    margin-left: auto;
    gap: 12px;
    align-items: center;
    transform: none;
  }
  .logo-img {
    margin-right: auto;
    height: 30px;
  }
  .nav-menu {
    display: none;
  }
  .menu-icon {
    display: block;
    width: 24px;
    height: 24px;
  }
  .lang-switch{
    display: none;
  }
}
/* 页脚 */
footer {
  background-color: #162d83;
  color: #ffffff;
  position: relative;
  padding: 60px 0 0px 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.footer-logo {
  text-align: center;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  margin: 0 auto;
}

.footer-links-wrap {
  display: flex;
  gap: 40px;
  padding: 0 100px;
}
.footer-links {
  flex: 0 1 25%;
}
.footer-links h2 {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 24px;
  color: #ffffff;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
}

.footer-links li {
  margin-bottom: 16px;
  position: relative;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: #ffffff;
}

.social-item {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  cursor: pointer;
  position: relative;
  transition: color 0.3s ease;
}

.social-item:hover {
  color: #ffffff;
}

.qr-box {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translate(0px, -50%);
  background-color: #ffffff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  min-width: 150px;
}

.qr-box::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-15px, -50%);
  border: 8px solid transparent;
  border-right-color: #ffffff;
}

.qr-box img {
  width: 130px;
  height: 130px;
  object-fit: contain;
  display: block;
}

/* PC端hover显示二维码 */
@media (min-width: 769px) {
  .social-item:hover .qr-box {
    opacity: 1;
    visibility: visible;
    transform: translate(16px, -50%);
  }
}

/* 移动端点击显示二维码 */
@media (max-width: 768px) {
  .qr-box.show {
    opacity: 1;
    visibility: visible;
    transform: translate(16px, -50%);
  }
}

.footer-icp {
  text-align: center;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
}

.footer-icp a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-icp a:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  footer {
    padding: 60px 0 0px 0;
  }

  .footer-content {
    gap: 40px;
  }
  .footer-logo-img {
    height: 24px;
  }

  .footer-links-wrap {
    flex-direction: column;
    padding: 0 20px;
    gap: 30px;
  }
  .footer-links {
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
    padding-bottom: 18px;
  }
  .footer-links:last-child {
    border-bottom: none;
  }
  .footer-links h2 {
    font-size: 16px;
    margin-bottom: 16px;
  }

  .footer-links li {
    margin-bottom: 12px;
  }

  .footer-links a,
  .social-item {
    font-size: 13px;
  }

  .footer-icp {
    margin-top: 0px;
  }
}
.mobile-wrap{
  padding-bottom: 56px;
}
.mobile-tit{
  padding-top: 80px;
  font-size: 20px;
  text-align: center;
  font-weight: 600;
  color: #000000;
  padding-bottom: 4px;
}
.mobile-des{
  font-size: 10px;
  text-align: center;
  color: #000000;
  padding-bottom: 24px;
  padding-top: 8px;
  line-height: 1.5;
}
.mobile-subtit{
  font-size: 14px;
  text-align: center;
  font-weight: 500;
  color: #000000;
  flex: 1 0 100%;
  padding-bottom: 24px;
}