:root {
  --primary-color: #004a98;
  --text-dark: #2d2a26;
  --text-light: #fff;
  --transition-duration: 0.3s;
  --container-padding: 1rem;
  --section-padding: 2rem 0;
}
body {
  font-family: 'Roboto', sans-serif;
  overflow-x: hidden;
  color: var(--text-dark);
  line-height: 1.6;
  margin: 0;
  background: #f0f4f8;
}
/* 响应式基础样式 */
.contain,
.navbar .container,
.banner .container,
.newsArea .container,
.blogArea .container,
.company .container,
.serverArea .container,
.solutionsArea .container,
footer .container,
footer .copyright {
  max-width: 1500px;
  width: 90%;
  margin: 0 auto;
  padding: var(--container-padding);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
/* 导航栏区域 */
.navbar {
  background-color: #002b49;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  padding: 0 1rem;
  transition: transform 0.3s ease-in-out;
  /* 移动端汉堡导航栏 */
  /* 导航菜单栏 */
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 7.5rem;
  padding: 0;
  position: relative;
}
.navbar .container .logo {
  height: 3.5rem;
  width: 120px;
}
.navbar .container .logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.navbar .mobile-menu-toggle {
  display: none;
  color: white;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 1001;
  transition: all 0.3s;
}
.navbar .mobile-menu-toggle:hover {
  color: #ff9800;
}
.navbar .nav-items {
  display: flex;
  list-style: none;
  transition: all var(--transition-duration);
  /* 下拉菜单样式 */
}
.navbar .nav-items .nav-item {
  margin-left: 30px;
  position: relative;
  white-space: nowrap;
}
.navbar .nav-items .nav-item a {
  display: flex;
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  padding: 0.8rem;
  transition: all 0.3s;
  align-items: center;
}
.navbar .nav-items .nav-item a p {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0;
}
.navbar .nav-items .nav-item a p span {
  margin-left: 5px;
}
.navbar .nav-items .nav-item:hover {
  background-color: #163e6a;
}
.navbar .nav-items .dropdown .dropdown-menu {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  display: flex;
  flex-wrap: wrap;
  top: 5.4rem;
  left: 0;
  background-color: #163e6a;
  width: 100vw;
  transition: all var(--transition-duration);
  list-style: none;
}
.navbar .nav-items .dropdown .dropdown-menu .dropdown-container {
  max-width: 1300px;
  width: 90%;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}
.navbar .nav-items .dropdown .dropdown-menu .dropdown-container li {
  width: 33.33%;
  padding: 0.5rem 0;
  /* 移除左右内边距 */
  box-sizing: border-box;
}
.navbar .nav-items .dropdown .dropdown-menu .dropdown-container a {
  padding: 0.5rem 1rem;
  /* 添加左右内边距 */
}
.navbar .nav-items .dropdown .dropdown-menu li {
  width: 100%;
  padding: 0.5rem 0;
}
.navbar .nav-items .dropdown .dropdown-menu a {
  text-decoration: none;
  color: #8b9fb5;
  position: relative;
  padding: 0.5rem;
  display: block;
  font-size: 0.9rem;
  transition: all 0.3s;
}
.navbar .nav-items .dropdown .dropdown-menu a:hover {
  color: #fff;
  border: 1px solid white;
}
.navbar .nav-items .dropdown .dropdown-menu .laberText {
  color: #fff;
  width: 100%;
  padding: 0.5rem 0;
  margin-bottom: 1rem;
  display: block;
}
.navbar .nav-items .dropdown .dropdown-menu .laberText .laber1 {
  display: inline-block;
  /* 使边框只包裹文本 */
  border-bottom: 2px solid #007bff;
  padding-bottom: 0.5rem;
  /* 添加底部内边距 */
}
.navbar .nav-items .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  top: 5.4rem;
}
/* Banner区域样式 */
.banner {
  height: 60vh;
  width: 100%;
  background-color: #002a49;
  position: relative;
  margin-top: 7.5rem;
  overflow: hidden;
  /* 左侧背景色区域 */
  /* 视频容器 */
}
.banner .banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background-color: #002b49;
  z-index: 5;
}
.banner .container {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  z-index: 10;
  position: relative;
  /* 左侧文字区域 */
  /* 右侧轮播区域 */
}
.banner .container .left {
  flex: 0 0 auto;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  height: 100%;
  background-color: #002b49;
  position: relative;
  box-sizing: border-box;
  z-index: 15;
}
.banner .container .left .textArea {
  max-width: 500px;
  height: 300px;
  padding: 1rem;
}
.banner .container .left .textArea h3 {
  color: #fff;
  font-size: 42px;
  font-weight: 300;
}
.banner .container .left .textArea h3 span {
  margin-left: 10px;
  font-weight: 700;
}
.banner .container .left .textArea p {
  margin-top: 30px;
  color: #fff;
  font-size: 22px;
}
.banner .container .right {
  flex: 0 0 auto;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
  background-color: transparent;
  z-index: 10;
  width: 50%;
  box-sizing: border-box;
  /* 文字动画效果 */
  /* 进入动画 */
  /* 退出动画 */
  /* 进入动画 - 从上到下逐个出现 */
  /* 退出动画 - 从下到上逐个消失 */
  /* 按钮样式 */
}
.banner .container .right .textContain {
  position: absolute;
  top: 0;
  left: 20%;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: left;
  text-align: left;
  padding: 2rem;
  box-sizing: border-box;
  transition: none;
  z-index: 15;
  opacity: 0;
  visibility: hidden;
}
.banner .container .right .textContain h3 {
  font-size: 96px;
  color: #fff;
  margin-bottom: 20px;
  transition-delay: 0.1s;
}
.banner .container .right .textContain span {
  font-size: 22px;
  color: #fff;
  display: block;
  margin-bottom: 30px;
  max-width: 80%;
  transition-delay: 0.2s;
}
.banner .container .right .textContain a {
  padding: 12px 24px;
  width: 200px;
  display: inline-block;
  background-color: #008651;
  font-size: 20px;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  margin-bottom: 40px;
  transition: background-color 0.3s;
  transition-delay: 0.2s;
}
.banner .container .right .textContain a:hover {
  background-color: #006e43;
}
.banner .container .right .textContain div {
  gap: 1.5rem;
  transition-delay: 0.4s;
}
.banner .container .right .textContain div h4 {
  color: #fff;
  /* 半透明白色 */
  font-size: 32px;
  font-weight: 700;
  margin: 0;
  cursor: pointer;
  transition: color 0.3s;
}
.banner .container .right .textContain .animate-item {
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.8s ease;
}
.banner .container .right .textContain.active .animate-item {
  transform: translateY(0) !important;
  opacity: 1 !important;
}
.banner .container .right .textContain.exiting .animate-item {
  transform: translateY(-100px) !important;
  /* 反向移动 */
  opacity: 0 !important;
}
.banner .container .right .textContain.active .animate-item:nth-child(1) {
  transition-delay: 0.1s;
}
.banner .container .right .textContain.active .animate-item:nth-child(2) {
  transition-delay: 0.3s;
}
.banner .container .right .textContain.active .animate-item:nth-child(3) {
  transition-delay: 0.5s;
}
.banner .container .right .textContain.active .animate-item:nth-child(4) {
  transition-delay: 0.7s;
}
.banner .container .right .textContain.exiting .animate-item:nth-child(1) {
  transition-delay: 0.6s;
}
.banner .container .right .textContain.exiting .animate-item:nth-child(2) {
  transition-delay: 0.4s;
}
.banner .container .right .textContain.exiting .animate-item:nth-child(3) {
  transition-delay: 0.2s;
}
.banner .container .right .textContain.exiting .animate-item:nth-child(4) {
  transition-delay: 0s;
}
.banner .container .right .textContain.active {
  opacity: 1;
  visibility: visible;
}
.banner .container .right .textContain:nth-child(1) a {
  background-color: #008651;
}
.banner .container .right .textContain:nth-child(2) a {
  background-color: #002a49;
}
.banner .container .right .textContain:nth-child(3) a {
  background-color: #15bef0;
}
.banner .container .right .textContain:nth-child(4) a {
  background-color: #7fbd42;
}
.banner .video-container {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}
.banner .video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}
.banner .video-container video.active {
  opacity: 1;
  z-index: 2;
}
/* 新闻展示区域 */
.newsArea {
  height: auto;
  width: 100%;
  background-color: #fff;
}
.newsArea .container {
  display: flex;
  justify-content: space-between;
  padding: 60px 16px;
}
.newsArea .container .new {
  height: 380px;
  width: 460px;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  border-bottom: 4px solid #3cb4e5;
}
.newsArea .container .new .top {
  height: 256px;
  width: 100%;
}
.newsArea .container .new .top img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.newsArea .container .new .bottom p {
  padding: 20px 16px;
  color: #60605b;
  font-weight: 700;
}
/* blog展示区域 */
.blogArea {
  height: auto;
  width: 100%;
  background-color: #fff;
}
.blogArea .container {
  padding: 60px 16px;
  position: relative;
}
.blogArea .left {
  position: relative;
  height: 720px;
  width: 1080px;
  overflow: hidden;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  z-index: 1;
}
.blogArea .left .pic {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.blogArea .left .pic img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.blogArea .left .pic.active {
  opacity: 1;
  z-index: 1;
}
.blogArea .blogBox {
  height: 320px;
  width: 520px;
  position: absolute;
  right: 1rem;
  top: 15%;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  background-color: #fff;
  padding: 1rem;
  z-index: 2;
}
.blogArea .blogBox .ContentBox {
  overflow: hidden;
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
}
.blogArea .blogBox .ContentBox .content {
  align-content: center;
  justify-content: center;
  position: relative;
  top: auto;
  left: auto;
  width: 100%;
  opacity: 1;
  display: none;
  transition: opacity 0.5s ease;
  padding: 2rem 4rem 1rem 4rem;
}
.blogArea .blogBox .ContentBox .content .laberText {
  font-size: 20px;
  color: #60605b;
  border-bottom: 4px #84bd00 solid;
  margin-bottom: 2rem;
  padding-bottom: 0.7rem;
}
.blogArea .blogBox .ContentBox .content .blogContent h3 {
  max-height: 96px;
  overflow: hidden;
  color: #002b49;
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
}
.blogArea .blogBox .ContentBox .content .blogContent a {
  height: 40px;
  width: 100%;
  padding: 8px 48px;
  background-color: #669933;
  display: block;
  color: #fff;
  font-size: 1rem;
  text-align: center;
  transform: all 0.7s;
}
.blogArea .blogBox .ContentBox .content .blogContent a:hover {
  color: #557698;
}
.blogArea .blogBox .ContentBox .content.active {
  display: block;
  /* 显示元素 */
  opacity: 1;
}
.blogArea .blogBox .left-btn {
  position: absolute;
  left: 20px;
  top: 50%;
  height: 44px;
  width: 44px;
  cursor: pointer;
  border-radius: 50%;
  border: 1px #dadada solid;
  text-align: center;
  padding: 0;
}
.blogArea .blogBox .left-btn span {
  color: #dadada;
  font-size: 28px;
  line-height: 44px;
}
.blogArea .blogBox .right-btn {
  position: absolute;
  right: 20px;
  top: 50%;
  cursor: pointer;
  height: 44px;
  width: 44px;
  border-radius: 50%;
  border: 1px #dadada solid;
  text-align: center;
  padding: 0;
}
.blogArea .blogBox .right-btn span {
  color: #dadada;
  font-size: 28px;
  line-height: 44px;
}
.blogArea .blogBox ul.indicators {
  height: 24px;
  display: flex;
  gap: 10px;
  padding: 2rem 4rem;
  position: absolute;
  bottom: 0;
  width: 100%;
  justify-content: center;
}
.blogArea .blogBox ul.indicators li {
  height: 10px;
  width: 10px;
  border-radius: 50%;
  background-color: #60605b;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.blogArea .blogBox ul.indicators li.active {
  background-color: #007bff;
}
/* 公司介绍区域 */
.company {
  height: auto;
  width: 100%;
  background-color: #e6e7e8;
}
.company .container {
  height: 380px;
  width: 100%;
  padding: 60px 1rem;
  display: flex;
  justify-content: space-between;
}
.company .container .left {
  height: auto;
  width: 950px;
}
.company .container .left h3 {
  font-size: 28px;
  font-weight: 400;
  color: #000;
  margin-bottom: 20px;
}
.company .container .left p {
  color: #414042;
  font-size: 18px;
  padding-left: 1rem;
  border-left: 3px #15bef0 solid;
  margin-bottom: 30px;
  font-weight: 300;
}
.company .container .left a {
  height: 40px;
  display: block;
  width: 50%;
  text-align: center;
  line-height: 40px;
  color: #fff;
  background-color: #0990cf;
  transition: all 0.25s ease-in-out;
}
.company .container .left a:hover {
  color: #557698;
}
.company .container .right {
  height: 256px;
  width: 460px;
  margin-bottom: 18px;
  padding: 0 1rem;
}
.company .container .right img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
/* 公司业务板块 */
.serverArea {
  width: 100%;
  height: auto;
  background-color: #002a49;
}
.serverArea .container {
  height: auto;
  width: 100%;
  padding: 60px 16px;
  position: relative;
}
.serverArea .container h3 {
  font-size: 30px;
  color: #fff;
  margin-bottom: 20px;
}
.serverArea .container p {
  padding-left: 16px;
  margin-bottom: 50px;
  font-size: 18px;
  color: #fff;
  border-left: 3px #3cb4e5 solid;
  font-weight: 300;
}
.serverArea .container .serviceBox {
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: auto;
  position: relative;
}
.serverArea .container .serviceBox .server {
  height: 100%;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background-color: #fff;
}
.serverArea .container .serviceBox .server .laberBox {
  flex: 1 0 14.28%;
  min-width: 150px;
  max-width: 200px;
  cursor: pointer;
  height: 156px;
  position: relative;
  box-sizing: border-box;
  transition: all 0.25s ease-in-out;
  padding-top: 20px;
}
.serverArea .container .serviceBox .server .laberBox .top {
  color: #005288;
  font-size: 16px;
  font-weight: 300;
  text-align: center;
  margin-bottom: 20px;
}
.serverArea .container .serviceBox .server .laberBox .pic {
  text-align: center;
  width: 100%;
  height: auto;
}
.serverArea .container .serviceBox .server .laberBox .pic span {
  font-size: 32px;
  color: #0e2b47;
}
.serverArea .container .serviceBox .server .laberBox:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  background-color: #46bfe8;
}
/* 白色过渡区域 */
.nothing {
  height: 180px;
  /* 减小高度 */
}
/* 解决方案区域 */
.solutionsArea {
  height: auto;
  width: 100%;
  background-color: #e6e7e8;
}
.solutionsArea .container {
  height: 840px;
  width: 100%;
  padding: 90px 16px 60px;
  position: relative;
}
.solutionsArea .right {
  position: absolute;
  height: 720px;
  width: 1080px;
  overflow: hidden;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  z-index: 1;
  right: 0;
  top: 60px;
}
.solutionsArea .right .pic {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.solutionsArea .right .pic img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.solutionsArea .right .pic.active {
  opacity: 1;
  z-index: 1;
}
.solutionsArea .solutionsBox {
  height: 410px;
  width: 670px;
  position: absolute;
  left: 0;
  top: 20%;
  z-index: 2;
}
.solutionsArea .solutionsBox .topText {
  width: 100%;
  height: 90px;
  color: #000;
  font-size: 30px;
  font-weight: 300;
  line-height: 90px;
  background-color: transparent;
  padding-left: 20px;
}
.solutionsArea .solutionsBox .ContentBox {
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  background-color: #fff;
  padding: 1rem;
  overflow: hidden;
  display: flex;
  width: 100%;
  height: auto;
  position: relative;
  min-height: 300px;
}
.solutionsArea .solutionsBox .ContentBox .content {
  align-content: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  padding: 1rem 5rem 2rem 5rem;
}
.solutionsArea .solutionsBox .ContentBox .content .laberText {
  font-size: 20px;
  color: #60605b;
  border-bottom: 4px #84bd00 solid;
  margin-bottom: 2rem;
  padding-bottom: 0.7rem;
}
.solutionsArea .solutionsBox .ContentBox .content .solutionsContent h3 {
  max-height: 96px;
  overflow: hidden;
  color: #002b49;
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
}
.solutionsArea .solutionsBox .ContentBox .content .solutionsContent a {
  height: 40;
  width: 100%;
  padding: 8px 48px;
  background-color: #669933;
  display: block;
  color: #fff;
  font-size: 1rem;
  text-align: center;
  transform: all 0.7s;
}
.solutionsArea .solutionsBox .ContentBox .content .solutionsContent a:hover {
  color: #557698;
}
.solutionsArea .solutionsBox .ContentBox .content.active {
  opacity: 1;
  pointer-events: auto;
}
.solutionsArea .solutionsBox .left-btn {
  position: absolute;
  left: 20px;
  top: 55%;
  height: 44px;
  width: 44px;
  cursor: pointer;
  border-radius: 50%;
  border: 1px #dadada solid;
  text-align: center;
  padding: 0;
}
.solutionsArea .solutionsBox .left-btn span {
  color: #dadada;
  font-size: 28px;
  line-height: 44px;
}
.solutionsArea .solutionsBox .right-btn {
  position: absolute;
  right: 20px;
  top: 55%;
  cursor: pointer;
  height: 44px;
  width: 44px;
  border-radius: 50%;
  border: 1px #dadada solid;
  text-align: center;
  padding: 0;
}
.solutionsArea .solutionsBox .right-btn span {
  color: #dadada;
  font-size: 28px;
  line-height: 44px;
}
.solutionsArea .solutionsBox ul.indicators {
  height: 24px;
  display: flex;
  gap: 10px;
  padding: 2rem 4rem;
  position: absolute;
  bottom: 20px;
  width: 100%;
  justify-content: center;
}
.solutionsArea .solutionsBox ul.indicators li {
  height: 10px;
  width: 10px;
  border-radius: 50%;
  background-color: #60605b;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.solutionsArea .solutionsBox ul.indicators li.active {
  background-color: #007bff;
}
/* 底部区域 */
footer {
  position: relative;
  padding: 60px 0;
  background-color: #002a49;
  width: 100%;
  height: auto;
  /* 版权区域 */
  /* 返回顶部工具 */
}
footer .container {
  display: flex;
  width: 100%;
  overflow: hidden;
  margin-bottom: 60px;
  /* 信息栏1 */
  /* 信息栏2 、3*/
  /* 信息栏4 */
}
footer .container .box {
  height: auto;
  width: 25%;
  position: relative;
}
footer .container .box:before {
  content: '';
  position: absolute;
  right: -1px;
  top: 10%;
  height: 80%;
  width: 1px;
  background-color: #fff;
}
footer .container .box:nth-child(1) {
  padding: 0 1.5rem;
}
footer .container .box:nth-child(1) .top {
  display: flex;
  height: 50px;
  width: 100%;
}
footer .container .box:nth-child(1) .top a {
  height: 100%;
  width: 50%;
}
footer .container .box:nth-child(1) .top a img {
  height: 100%;
  width: 100%;
  object-fit: contain;
}
footer .container .box:nth-child(1) .top .text {
  font-size: 16px;
  padding-left: 2rem;
  height: 100%;
  width: 50%;
  color: #fff;
  border-left: #004a98 1px solid;
}
footer .container .box:nth-child(1) .top .text h4 {
  font-weight: 300;
}
footer .container .box:nth-child(1) .top .text h4 span {
  font-weight: 700;
}
footer .container .box:nth-child(1) .bottom {
  color: #fff;
  font-size: 0.875rem;
  margin-top: 30px;
}
footer .container .box:nth-child(2),
footer .container .box:nth-child(3) {
  padding: 0 1.5rem;
}
footer .container .box:nth-child(2) ul,
footer .container .box:nth-child(3) ul {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 80px 20px;
}
footer .container .box:nth-child(2) ul a,
footer .container .box:nth-child(3) ul a {
  font-size: 20px;
  color: #fff;
  transform: all 0.8s;
}
footer .container .box:nth-child(2) ul a:hover,
footer .container .box:nth-child(3) ul a:hover {
  color: #163e6a;
}
footer .container .box:nth-child(4) {
  padding: 0 1.5rem;
}
footer .container .box:nth-child(4) .laber {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}
footer .container .box:nth-child(4) p {
  margin-top: 20px;
  margin-bottom: 20px;
  color: #fff;
  font-size: 14px;
}
footer .container .box:nth-child(4) .form {
  position: relative;
  padding-bottom: 25px;
  /* 为错误提示预留空间 */
  /* 创建背景填充层 */
  /* 悬停时触发填充动画 */
  /* 错误状态样式 */
}
footer .container .box:nth-child(4) .form .input-container {
  position: relative;
  margin-bottom: 1.8rem;
  /* 增加间距防止重叠 */
  /* 错误提示样式 */
  /* 输入框聚焦效果 */
  /* 输入框聚焦时隐藏placeholder */
  /* 输入框中placholder样式 */
}
footer .container .box:nth-child(4) .form .input-container .error-message {
  position: absolute;
  bottom: -1.5rem;
  /* 在输入框下方显示 */
  left: 0;
  color: #c33339;
  font-size: 0.75rem;
  font-weight: 600;
  display: none;
  width: 100%;
}
footer .container .box:nth-child(4) .form .input-container input {
  height: 40px;
  width: 100%;
  border: 1px #fff solid;
  margin-bottom: 15px;
  background-color: #19405b;
  padding: 1rem 0.5rem;
  color: #fff;
  font-size: 20px;
}
footer .container .box:nth-child(4) .form .input-container input:focus {
  border: 2px solid #000 !important;
  outline: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
footer .container .box:nth-child(4) .form .input-container input:focus::-webkit-input-placeholder {
  color: transparent;
}
footer .container .box:nth-child(4) .form .input-container input:focus::-moz-placeholder {
  color: transparent;
}
footer .container .box:nth-child(4) .form .input-container input:focus:-ms-input-placeholder {
  color: transparent;
}
footer .container .box:nth-child(4) .form .input-container input:focus::placeholder {
  color: transparent;
}
footer .container .box:nth-child(4) .form .input-container input::placeholder {
  margin-left: 10px;
  color: #bac5cd;
  font-size: 20px;
}
footer .container .box:nth-child(4) .form .input-container input.valid {
  border-color: #4CAF50 !important;
  /* 验证通过 - 绿色 */
}
footer .container .box:nth-child(4) .form .input-container input.invalid {
  border-color: #F44336 !important;
  /* 验证失败 - 红色 */
}
footer .container .box:nth-child(4) .form button {
  position: relative;
  height: 40px;
  width: 100%;
  background-color: #002a49;
  color: #fff;
  border: 1px #fff solid;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
}
footer .container .box:nth-child(4) .form button span {
  position: relative;
  z-index: 1;
  transition: color 0.3s 0.1s;
}
footer .container .box:nth-child(4) .form button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: #000;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
footer .container .box:nth-child(4) .form button:hover::before {
  transform: translateX(100%);
}
footer .container .box:nth-child(4) .form button:hover span {
  color: #fff !important;
}
footer .container .box:nth-child(4) .form .input-container.error input {
  border-color: #c33339;
}
footer .copyright {
  height: 50px;
  width: 100%;
  padding: 0;
}
footer .copyright span {
  color: #fff;
  height: 100%;
  width: 100%;
  right: 10px;
  font-size: 16px;
  line-height: 50px;
  display: block;
  text-align: right;
}
footer .tool {
  display: block;
  height: 48px;
  width: 90px;
  position: fixed;
  right: 60px;
  bottom: 60px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  transform: translateY(20px);
}
footer .tool img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
footer .tool.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
footer .tool:hover img {
  transform: translateY(-5px);
}
/* 响应式调整 */
@media (max-width: 1450px) {
  footer .container .box:nth-child(1) .top .text {
    font-size: 12px;
  }
  /* 新闻展示区域 */
  .newsArea .container .new {
    width: 350px;
  }
  /* 业务介绍区域 */
  .serverArea .container .serviceBox .server .laberBox {
    flex: 1 0 20%;
    /* 5个一行 */
  }
}
@media (max-width: 1200px) {
  /* banner区域 */
  .banner .container .right .textContain h3 {
    font-size: 72px;
  }
  .banner .container .right .textContain span {
    font-size: 20px;
  }
  /* 新闻区域 */
  .newsArea .container .new .bottom p {
    font-size: 14px;
    line-height: 1.5;
    padding: 15px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  /* 新闻卡片高度自适应 */
  .newsArea .container .new {
    height: auto;
    width: 270px;
  }
  /* blog区域 */
  .blogArea .blogBox {
    width: 100%;
    right: 0;
    top: 30%;
  }
  .blogArea .container {
    flex-direction: column;
  }
  .blogArea .left {
    width: 100%;
    height: 500px;
  }
  .blogArea .blogBox {
    position: relative;
    width: 90%;
    margin: 2rem auto;
  }
  /* 公司介绍区域调整 */
  .company .container {
    height: auto;
    flex-wrap: wrap;
  }
  .company .container .left {
    width: 100%;
    padding-right: 2rem;
  }
  .company .container .left a {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  .company .container .right {
    width: 100%;
    margin-top: 2rem;
    padding: 0;
  }
  /* 业务介绍区域 */
  .serverArea .container {
    padding-bottom: 220px;
    /* 增加底部空间 */
  }
  .serverArea .container .serviceBox {
    bottom: -100px;
  }
  .serverArea .container .serviceBox .server .laberBox {
    flex: 1 0 25%;
    /* 4个一行 */
  }
  /* 过渡区域 */
  .nothing {
    height: 160px;
  }
  /* 解决问题区域 */
  .solutionsArea .container {
    flex-direction: column;
    height: auto;
    padding-bottom: 50px;
  }
  .solutionsArea .right {
    position: relative;
    width: 100%;
    height: 400px;
    top: 0;
  }
  .solutionsArea .solutionsBox {
    position: relative;
    top: 0;
    width: 100%;
    margin-top: 2rem;
  }
  .solutionsArea .right {
    position: relative;
    width: 100%;
    height: 500px;
    top: 0;
  }
  /* 确保底部有足够空间 */
  .solutionsArea .container {
    padding-bottom: 100px;
  }
  /* footer区域 */
  footer .container .box:nth-child(2) ul,
  footer .container .box:nth-child(3) ul {
    margin: 40px 20px;
  }
  footer .container .box:nth-child(1) .top .text {
    font-size: 12px;
  }
  footer .tool {
    right: 25px;
    bottom: 120px;
  }
  footer .copyright {
    padding-right: 1.25rem;
  }
}
@media (max-width: 992px) {
  /* 顶部导航区域 */
  .navbar .mobile-menu-toggle {
    display: block;
  }
  .navbar .nav-items {
    position: fixed;
    top: 7.5rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 7.5rem);
    background-color: #002b49;
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
  }
  .navbar .nav-items.active {
    transform: translateX(0);
  }
  .navbar .nav-items .nav-item {
    margin: 10px 0;
    width: 100%;
    text-align: center;
  }
  .navbar .nav-items .nav-item a {
    justify-content: center;
  }
  .navbar .nav-items .dropdown .dropdown-menu {
    position: static;
    display: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0;
    margin-top: 10px;
  }
  .navbar .nav-items .dropdown .dropdown-menu.active {
    display: block;
  }
  .navbar .nav-items .dropdown .dropdown-menu .dropdown-container {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    padding: 0;
  }
  .navbar .nav-items .dropdown .dropdown-menu .dropdown-container li {
    width: 100%;
    padding: 0.5rem 0;
  }
  .navbar .nav-items .dropdown .dropdown-menu .dropdown-container a {
    padding: 0.8rem 1rem;
    color: #8b9fb5;
  }
  .dropdown-toggle {
    position: relative;
  }
  .dropdown-toggle::after {
    content: ">";
    position: absolute;
    right: 15px;
    transform: rotate(90deg);
    transition: transform 0.3s;
  }
  .dropdown-toggle.active::after {
    transform: rotate(-90deg);
  }
  /* banner区域 */
  .banner {
    height: auto;
    /* 取消固定高度 */
    margin-top: 5rem;
    /* 减小顶部间距 */
  }
  .banner .container {
    flex-direction: column;
    /* 垂直排列 */
    padding-top: 2rem;
  }
  .banner .left,
  .banner .right {
    width: 100% !important;
    /* 强制全宽 */
  }
  .banner .left {
    padding: 1rem;
    height: auto;
  }
  .banner .right {
    position: relative;
    height: 400px;
    /* 固定高度保证视频显示 */
  }
  .banner .right .textContain {
    position: static;
    /* 取消绝对定位 */
    padding: 1rem;
    height: auto;
    opacity: 1 !important;
    visibility: visible !important;
  }
  .banner .right .textContain h3 {
    font-size: 2.5rem !important;
    /* 减小标题大小 */
    margin-bottom: 0.5rem;
  }
  .banner .right .textContain span {
    font-size: 1rem !important;
    /* 减小描述文字 */
    margin-bottom: 1rem;
  }
  .banner .right .textContain div {
    flex-wrap: wrap;
    /* 导航项换行 */
    gap: 0.5rem;
  }
  .banner .right .textContain div h4 {
    font-size: 1.2rem !important;
    /* 减小导航文字 */
    padding: 0.3rem 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    /* 增加可读性 */
  }
  .banner .video-container {
    position: relative;
    width: 100% !important;
    height: 400px;
    /* 固定视频高度 */
  }
  /* 新闻展示区域 */
  .newsArea .container .new {
    width: 200px;
  }
  /* Blog展示区域 */
  .blogArea .container {
    display: block;
  }
  .blogArea .blogBox {
    position: relative;
    width: 100%;
    top: 0;
    right: 0;
    margin-top: 2rem;
    height: auto;
  }
  .blogArea .left {
    position: relative;
    height: 300px;
    width: 100%;
    margin-bottom: 1rem;
  }
  .blogArea .blogBox .ContentBox .content {
    width: 650px;
    padding: 1.5rem;
    margin-left: 50px;
    min-height: 250px;
  }
  .blogArea .blogBox .ContentBox .content .blogContent h3 {
    max-height: none;
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }
  .blogArea .blogBox .ContentBox .content .blogContent a {
    margin-top: 1rem;
  }
  .blogArea .blogBox ul.indicators {
    position: relative;
    bottom: 0;
    padding: 1rem 0;
  }
  .blogArea .blogBox .left-btn,
  .blogArea .blogBox .right-btn {
    top: 40%;
  }
  /* 公司介绍区域 */
  .company .container {
    flex-direction: column;
  }
  .company .container .left,
  .company .container .right {
    width: 100%;
  }
  .company .container .left a {
    width: 100%;
    max-width: none;
  }
  .company .container .right {
    margin-top: 2rem;
  }
  /* 业务展示区域 */
  .serverArea .container {
    padding-bottom: 150px;
    /* 减少底部空间 */
  }
  .serverArea .container .serviceBox {
    bottom: -80px;
  }
  .serverArea .container .serviceBox .server .laberBox {
    padding: 10px 0;
    /* 减少内边距 */
    height: 130px;
    flex: 1 0 33.33%;
    /* 3个一行 */
  }
  .serverArea .container .serviceBox .server .laberBox .top {
    margin-bottom: 10px;
    font-size: 14px;
  }
  /* 解决方案区域 */
  .solutionsArea .container {
    padding: 60px 16px;
    height: auto;
    display: block;
  }
  .solutionsArea .solutionsBox {
    position: relative;
    width: 100%;
    top: 0;
    margin-top: 2rem;
    height: auto;
  }
  .solutionsArea .solutionsBox .ContentBox .content {
    width: 680px;
    padding: 1.5rem;
    position: absolute;
    min-height: 250px;
    margin-left: 100px;
  }
  .solutionsArea .solutionsBox .ContentBox .content .solutionsContent h3 {
    max-height: none;
    font-size: 1.1rem;
  }
  .solutionsArea .solutionsBox .left-btn,
  .solutionsArea .solutionsBox .right-btn {
    top: 55%;
  }
  .solutionsArea .right {
    position: relative;
    width: 100%;
    height: 300px;
    top: 0;
    margin-top: 1rem;
  }
  /* footer区域 */
  footer .container {
    flex-wrap: wrap;
    margin-bottom: 30px;
  }
  footer .container .box {
    width: 50%;
    margin-bottom: 30px;
  }
  /* 移除分隔线 */
  footer .container .box:before {
    display: none;
  }
  footer .container .box:nth-child(1),
  footer .container .box:nth-child(4) {
    width: 100%;
  }
  footer .container .box:nth-child(2) ul,
  footer .container .box:nth-child(3) ul {
    margin: 20px 0;
  }
  footer .container .box:nth-child(1) .top .text {
    padding-left: 1rem;
  }
  footer .copyright span {
    text-align: center;
  }
  footer .tool {
    right: 20px;
    bottom: 20px;
    height: 42px;
    width: 80px;
  }
}
@media (max-width: 768px) {
  /* 全局优化 */
  body {
    font-size: 14px;
  }
  /* banner区域 */
  .banner .container .left .textArea h3 {
    font-size: 32px;
  }
  .banner .right {
    height: 300px;
    /* 进一步减小高度 */
  }
  .banner .video-container {
    height: 300px;
  }
  .banner .right .textContain h3 {
    font-size: 2rem !important;
  }
  .banner .right .textContain a {
    width: 100%;
    /* 按钮全宽 */
    margin-bottom: 1rem;
  }
  /* 新闻展示区域 */
  .newsArea .container {
    flex-direction: column;
    align-items: center;
  }
  .newsArea .container .new {
    width: 90%;
    margin-bottom: 2rem;
  }
  /* blog展示区域 */
  .blogArea .container .blogBox .ContentBox .content {
    margin-left: 30px;
    width: 580px;
  }
  .blogArea .container .blogBox .ContentBox .content .laberText {
    font-size: 18px;
  }
  .blogArea .container .blogBox .ContentBox .content .blogContent h3 {
    font-size: 0.875rem;
  }
  .blogArea .container .blogBox .ContentBox .content .blogContent a {
    font-size: 0.625rem;
    height: 30px;
  }
  .blogArea .container .blogBox .left-btn,
  .blogArea .container .blogBox .right-btn {
    height: 30px;
    width: 30px;
  }
  .blogArea .container .blogBox .left-btn span,
  .blogArea .container .blogBox .right-btn span {
    font-size: 20px;
    line-height: 30px;
  }
  /* 业务展示区域 */
  .serverArea .container .serviceBox {
    bottom: -50px;
  }
  .serverArea .container .serviceBox .server .laberBox {
    flex: 1 0 50%;
    /* 2个一行 */
    min-width: 140px;
  }
  /* 过渡区域 */
  .nothing {
    height: 120px;
  }
  /* 解决方案区域 */
  .solutionsArea .container .solutionsBox .ContentBox .content {
    width: 650px;
    margin-left: 40px;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .laberText {
    font-size: 0.875rem;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .solutionsContent h3 {
    font-size: 0.875rem;
    height: 90px;
    overflow: hidden;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .solutionsContent a {
    height: 30px;
    font-size: 10px;
  }
  .solutionsArea .container .solutionsBox .left-btn,
  .solutionsArea .container .solutionsBox .right-btn {
    height: 25px;
    width: 25px;
  }
  .solutionsArea .container .solutionsBox .left-btn span,
  .solutionsArea .container .solutionsBox .right-btn span {
    font-size: 14px;
    line-height: 25px;
  }
  /* footer区域 */
  footer .container {
    flex-wrap: wrap;
  }
  footer .container .box {
    width: 50% !important;
    margin-bottom: 2rem;
  }
  footer .container .box:nth-child(1),
  footer .container .box:nth-child(4) {
    width: 100%;
  }
  footer .container .box:nth-child(2) ul,
  footer .container .box:nth-child(3) ul {
    margin: 20px 0;
  }
  footer .container .box:nth-child(1) .top {
    flex-direction: column;
    height: auto;
  }
  footer .container .box:nth-child(1) .top a,
  footer .container .box:nth-child(1) .top .text {
    width: 100%;
    padding: 10px 0;
  }
  footer .container .box:nth-child(1) .top .text {
    border-left: none;
    border-top: 1px solid #004a98;
    padding-top: 15px;
  }
  footer .container .box:nth-child(4) .form input {
    font-size: 16px;
  }
  footer .tool {
    right: 15px;
    bottom: 15px;
    height: 36px;
    width: 70px;
  }
}
@media (max-width: 576px) {
  /* banner区域 */
  /* blog展示区域 */
  .blogArea .container .blogBox .ContentBox .content {
    margin-left: 30px;
    width: 200px;
  }
  .blogArea .container .blogBox .ContentBox .content .laberText {
    font-size: 18px;
  }
  .blogArea .container .blogBox .ContentBox .content .blogContent h3 {
    font-size: 0.875rem;
  }
  .blogArea .container .blogBox .ContentBox .content .blogContent a {
    font-size: 0.625rem;
    height: 30px;
  }
  .blogArea .container .blogBox .left-btn,
  .blogArea .container .blogBox .right-btn {
    height: 30px;
    width: 30px;
  }
  .blogArea .container .blogBox .left-btn span,
  .blogArea .container .blogBox .right-btn span {
    font-size: 20px;
    line-height: 30px;
  }
  /* 业务展示区域 */
  .serverArea .container .serviceBox {
    bottom: -50px;
  }
  .serverArea .container .serviceBox .server .laberBox {
    flex: 1 0 100%;
    /* 1个一行 */
  }
  /* 过渡区域 */
  .nothing {
    height: 100px;
  }
  /* 解决方案区域 */
  .solutionsArea .container .solutionsBox .ContentBox .content {
    width: 280px;
    margin-left: 30px;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .laberText {
    font-size: 0.875rem;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .solutionsContent h3 {
    font-size: 0.875rem;
    height: 90px;
    overflow: hidden;
  }
  .solutionsArea .container .solutionsBox .ContentBox .content .solutionsContent a {
    height: 30px;
    font-size: 10px;
  }
  .solutionsArea .container .solutionsBox .left-btn,
  .solutionsArea .container .solutionsBox .right-btn {
    height: 25px;
    width: 25px;
  }
  .solutionsArea .container .solutionsBox .left-btn span,
  .solutionsArea .container .solutionsBox .right-btn span {
    font-size: 14px;
    line-height: 25px;
  }
  /* footer区域 */
  footer {
    padding: 30px 0;
  }
  footer .container .box {
    width: 100% !important;
  }
  footer .container .box:nth-child(2) ul,
  footer .container .box:nth-child(3) ul {
    margin: 10px 0;
    gap: 0.8rem;
  }
  footer .container .box:nth-child(4) p {
    font-size: 13px;
  }
  footer .tool {
    right: 30px;
    bottom: 10px;
    height: 30px;
    width: 60px;
  }
}