/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 3D动画背景样式 */
.bg-3d-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  background: radial-gradient(ellipse at center, #1a202c 0%, #0d1117 100%);
}

.bg-3d-perspective {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* 3D网格背景 */
.bg-3d-grid {
  position: absolute;
  width: 1000px;
  height: 1000px;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%) rotateX(60deg);
  opacity: 0.15;
}

.bg-3d-grid::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, #3b82f6 1px, transparent 1px),
    linear-gradient(to bottom, #3b82f6 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-rotate 30s linear infinite;
}

/* 3D形状容器 */
.bg-3d-shapes {
  position: relative;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%);
}

/* 3D立方体 */
.bg-3d-cube {
  position: absolute;
  width: 80px;
  height: 80px;
  transform-style: preserve-3d;
  animation: rotate-cube 20s linear infinite;
  top: -150px;
  left: -150px;
}

.bg-3d-cube::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.6), rgba(59, 130, 246, 0.2));
  transform: translateZ(40px);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.bg-3d-cube::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(59, 130, 246, 0.1));
  transform: rotateY(90deg) translateZ(40px);
}

/* 3D球体 */
.bg-3d-sphere {
  position: absolute;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 119, 0, 0.7), rgba(255, 119, 0, 0.1));
  border-radius: 50%;
  animation: float-sphere 15s ease-in-out infinite;
  top: 100px;
  left: 200px;
  box-shadow: 0 0 30px rgba(255, 119, 0, 0.4);
}

/* 3D金字塔 */
.bg-3d-pyramid {
  position: absolute;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  animation: rotate-pyramid 25s linear infinite;
  top: 50px;
  left: -200px;
}

.bg-3d-pyramid::before {
  content: '';
  position: absolute;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.5), rgba(16, 185, 129, 0.2));
  transform: rotateX(45deg) rotateY(45deg);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* 3D圆环 */
.bg-3d-torus {
  position: absolute;
  width: 120px;
  height: 40px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.6), rgba(139, 92, 246, 0.2));
  border-radius: 50%;
  animation: rotate-torus 18s linear infinite;
  top: -200px;
  left: 100px;
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.3);
}

/* 3D六边形 */
.bg-3d-hexagon {
  position: absolute;
  width: 90px;
  height: 104px;
  background: linear-gradient(120deg, rgba(236, 72, 153, 0.5), rgba(236, 72, 153, 0.2));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  animation: float-hexagon 12s ease-in-out infinite;
  top: 150px;
  left: -80px;
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.4);
}

/* 动画关键帧 */
@keyframes grid-rotate {
  0% { transform: rotateZ(0deg); }
  100% { transform: rotateZ(360deg); }
}

@keyframes rotate-cube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes float-sphere {
  0%, 100% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-30px) translateX(20px); }
  50% { transform: translateY(10px) translateX(-30px); }
  75% { transform: translateY(-10px) translateX(10px); }
}

@keyframes rotate-pyramid {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes rotate-torus {
  0% { transform: rotateZ(0deg) rotateY(0deg); }
  100% { transform: rotateZ(360deg) rotateY(360deg); }
}

@keyframes float-hexagon {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(15deg); }
  50% { transform: translateY(10px) rotate(0deg); }
  75% { transform: translateY(-10px) rotate(-15deg); }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: transparent;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: #1e88e5;
}

a:hover {
  color: #1565c0;
}

.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background-color: #1e88e5;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #1565c0;
  transform: translateY(-2px);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  color: #666;
}

/* 导航栏样式 */
.header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 85px;
  padding: 0 20px;
}

/* 滚动时导航栏效果 */
.header.scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.logo img {
  height: 45px;
  transition: all 0.3s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
}

.nav-item {
  margin-left: 35px;
  position: relative;
}

.nav-link {
  display: block;
  padding: 12px 16px;
  color: #333;
  font-weight: 500;
  font-size: 16px;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
}

/* 菜单项悬停和激活状态 */
.nav-link:hover,
.nav-link.active {
  color: var(--brand-orange);
  transform: translateY(-2px);
}

/* 增强菜单字体效果 */
.nav-link {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

/* hero区域导航链接样式 */
.code-block a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

.code-block a:hover {
  color: #ff7700;
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 999;
  overflow: hidden;
}

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

.dropdown-item {
  display: block;
  padding: 14px 22px;
  color: #333;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.dropdown-item:last-child {
  border-bottom: none;
}

/* 下拉菜单项悬停效果 */
.dropdown-item:hover,
.dropdown-item.active {
  color: var(--brand-orange);
  background-color: rgba(255, 119, 0, 0.05);
  padding-left: 26px;
}

/* 下拉菜单字体样式 */
.dropdown-item,
.sub-dropdown-item {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.dropdown-item:hover::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background-color: var(--brand-orange);
}

/* 子下拉菜单 */
.sub-dropdown {
  position: absolute;
  top: 0;
  left: 100%;
  background-color: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow: hidden;
}

/* 隐藏信息化创新子菜单 */
.dropdown-menu li:has(a[href="digital-innovation.html"]) .sub-dropdown {
  display: none !important;
}

/* 移动端菜单样式 - 微软风格侧边栏 */

/* 汉堡菜单按钮 */
.mobile-menu-btn {
  display: none;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--brand-dark);
  font-size: 24px;
  cursor: pointer;
  z-index: 1001;
  padding: 10px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--brand-orange);
}

/* 移动端侧边栏 */
.mobile-sidebar {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100vh;
  background-color: #fff;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-sidebar.open {
  right: 0;
}

/* 侧边栏头部 */
.mobile-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  background-color: #fff;
}

.mobile-logo img {
  height: 40px;
}

.close-mobile-menu {
  background: none;
  border: none;
  color: var(--brand-dark);
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.close-mobile-menu:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--brand-orange);
}

/* 侧边栏内容 */
.mobile-sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 0;
}

/* 移动端菜单 */
.mobile-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu-item {
  position: relative;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  color: var(--brand-dark);
  text-decoration: none;
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.mobile-menu-link:hover {
  background-color: rgba(29, 90, 184, 0.05);
  color: var(--brand-blue);
  border-left-color: var(--brand-blue);
}

.mobile-menu-link i {
  margin-right: 16px;
  font-size: 18px;
  width: 24px;
  text-align: center;
}

/* 移动端下拉菜单 */
.mobile-dropdown-menu {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: rgba(245, 245, 245, 0.5);
}

.mobile-dropdown-menu.open {
  display: block;
}

.mobile-dropdown-item {
  position: relative;
}

.mobile-dropdown-link {
  display: block;
  padding: 12px 24px 12px 64px;
  color: var(--brand-dark);
  text-decoration: none;
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-size: 15px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.mobile-dropdown-link:hover {
  background-color: rgba(29, 90, 184, 0.1);
  color: var(--brand-blue);
  border-left-color: var(--brand-blue);
}

/* 移动端下拉图标 */
.mobile-dropdown-icon {
  margin-left: auto;
  transition: transform 0.3s ease;
}

.mobile-dropdown-toggle.open .mobile-dropdown-icon {
  transform: rotate(180deg);
}

/* 移动端子下拉菜单 */
.mobile-sub-dropdown-menu {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: rgba(235, 235, 235, 0.5);
}

.mobile-sub-dropdown-menu.open {
  display: block;
}

.mobile-sub-dropdown-link {
  display: block;
  padding: 10px 24px 10px 88px;
  color: var(--brand-dark);
  text-decoration: none;
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-size: 14px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.mobile-sub-dropdown-link:hover {
  background-color: rgba(29, 90, 184, 0.15);
  color: var(--brand-blue);
  border-left-color: var(--brand-blue);
}

/* 移动端子下拉图标 */
.mobile-sub-dropdown-icon {
  margin-left: auto;
  transition: transform 0.3s ease;
}

.mobile-sub-dropdown-toggle.open .mobile-sub-dropdown-icon {
  transform: rotate(90deg);
}

/* 侧边栏底部 */
.mobile-sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  background-color: #fff;
}

.mobile-social-links {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.mobile-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 8px;
  color: var(--brand-dark);
  text-decoration: none;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.mobile-social-link:hover {
  background-color: rgba(29, 90, 184, 0.1);
  color: var(--brand-blue);
  transform: translateY(-3px);
}

.mobile-copyright {
  text-align: center;
  font-size: 12px;
  color: #666;
}

/* 移动端菜单遮罩层 */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

/* 响应式设计 - 移动端显示汉堡菜单，隐藏桌面导航 */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav {
    display: none;
  }
}

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

.sub-dropdown-item {
  display: block;
  padding: 14px 22px;
  color: #333;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.sub-dropdown-item:last-child {
  border-bottom: none;
}

/* 子下拉菜单项悬停效果 */
.sub-dropdown-item:hover,
.sub-dropdown-item.active {
  color: var(--brand-orange);
  background-color: rgba(255, 119, 0, 0.05);
  padding-left: 26px;
}

.sub-dropdown-item:hover::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background-color: var(--brand-orange);
}


  
  /* 下拉菜单切换按钮 */
  .dropdown-toggle::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 8px;
    transition: transform 0.3s ease;
  }
  
  .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(4px);
    border-radius: 12px;
    overflow: hidden;
    margin: 6px auto;
    padding: 8px 0;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  }
  
  .dropdown-item {
    border-bottom: none;
    border-radius: 10px;
    margin: 3px auto;
    padding: 12px 20px;
    width: 90%;
    text-align: center;
    transition: all 0.3s ease;
  }
  
  .dropdown-item:hover {
    background-color: rgba(255, 119, 0, 0.1);
    transform: translateX(8px);
    color: var(--brand-orange);
  }
  
  /* 子菜单样式 */
  .sub-dropdown {
    position: relative;
    left: 0;
    top: 0;
    margin: 6px auto;
    max-width: 280px;
  }
  
  .sub-dropdown-item {
    padding: 12px 16px;
    margin: 3px auto;
    width: 85%;
    border-radius: 8px;
    font-size: 15px;
    text-align: center;
  }
  
  .sub-dropdown-item:hover {
    background-color: rgba(255, 119, 0, 0.08);
    transform: translateX(6px);
    color: var(--brand-orange);
  }
  
  /* 移动端隐藏信息化创新子菜单 */
  .dropdown-menu li:has(a[href="digital-innovation.html"]) .sub-dropdown {
    display: none !important;
  }
}

/* 侧边菜单滚动条样式 */
@media (max-width: 992px) {
  .nav-menu::-webkit-scrollbar {
    width: 4px;
  }
  
  .nav-menu::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
  }
  
  .nav-menu::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 2px;
  }
  
  .nav-menu::-webkit-scrollbar-thumb:hover {
    background: #aaa;
  }
}

/* 移动端菜单下拉指示器 */
@media (max-width: 992px) {
  .dropdown-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    margin-left: 8px;
  }
  
  /* 下拉菜单样式增强 */
  .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(4px);
  }
  
  /* 下拉菜单项激活状态 */
  .dropdown-item.active {
    background-color: rgba(255, 119, 0, 0.1);
    color: #ff7700;
    transform: translateX(8px);
  }
  
  /* 菜单按钮图标动画 */
  .mobile-menu-btn i {
    transition: all 0.3s ease;
    font-size: 20px;
  }
  
  /* 禁止文本选择 */
  .nav-menu, .mobile-menu-btn {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  /* 全屏菜单动画 */
  .nav-menu {
    transform-origin: center;
  }
  
  /* 下拉菜单动画 */
  .dropdown-menu {
    transform-origin: top center;
  }
  
  /* 菜单项触摸反馈 */
  .nav-item, .dropdown-item, .sub-dropdown-item {
    -webkit-tap-highlight-color: transparent;
  }
}

/* 页面标题样式 */
.page-title {
  background-color: #1D5AB8;
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.page-title h1 {
  font-size: 42px;
  font-weight: 600;
  margin-bottom: 16px;
}

.page-title p {
  font-size: 18px;
  opacity: 0.9;
}

/* 产品介绍样式 */
.product-intro {
  padding: 80px 0;
  background-color: #fff;
}

.product-intro .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.product-intro-content {
  flex: 1;
  min-width: 300px;
  margin-right: 40px;
}

/* 增强产品介绍区域的响应式设计 */
@media (max-width: 992px) {
  .product-intro-content {
    margin-right: 0;
    margin-bottom: 30px;
    text-align: center;
  }
  
  .product-intro-image {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .product-intro {
    padding: 60px 0;
  }
  
  .product-intro-content h2 {
    font-size: 28px;
  }
  
  .product-intro-content p {
    font-size: 15px;
  }
}

@media (max-width: 576px) {
  .product-intro {
    padding: 40px 0;
  }
  
  .product-intro-content h2 {
    font-size: 24px;
    margin-bottom: 20px;
  }
  
  .product-intro-content p {
    font-size: 14px;
  }
}

.product-intro-content h2 {
  font-size: 32px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24px;
}

.product-intro-content p {
  font-size: 16px;
  color: #666;
  margin-bottom: 16px;
  line-height: 1.8;
}

.product-intro-image {
  flex: 1;
  min-width: 300px;
}

.product-intro-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 支持的平台/数据库/中间件样式 */
.supported-platforms,
.supported-databases,
.supported-middleware {
  padding: 80px 0;
  background-color: #f5f5f5;
}

.platforms-grid,
.database-grid,
.middleware-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.platform-item,
.database-item,
.middleware-item {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.platform-item:hover,
.database-item:hover,
.middleware-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.platform-item img,
.database-item img,
.middleware-item img {
  height: 80px;
  margin-bottom: 20px;
}

.platform-item h3,
.database-item h3,
.middleware-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.platform-item p,
.database-item p,
.middleware-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 核心功能样式 */
.core-features {
  padding: 80px 0;
  background-color: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* 增强功能卡片的响应式设计 */
@media (max-width: 768px) {
  .features-grid {
    gap: 25px;
  }
  
  .feature-card {
    padding: 25px;
  }
  
  .feature-icon {
    width: 70px;
    height: 70px;
    font-size: 28px;
  }
  
  .feature-card h3 {
    font-size: 18px;
  }
  
  .feature-card p {
    font-size: 13px;
  }
}

@media (max-width: 576px) {
  .core-features {
    padding: 60px 0;
  }
  
  .features-grid {
    gap: 20px;
  }
  
  .feature-card {
    padding: 20px;
  }
}

.feature-card {
  background-color: #f8f9fa;
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background-color: #e3f2fd;
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background-color: #1e88e5;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 服务内容样式 */
.service-content {
  padding: 80px 0;
  background-color: #f5f5f5;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* 增强服务卡片的响应式设计 */
@media (max-width: 768px) {
  .service-content {
    padding: 60px 0;
  }
  
  .services-grid {
    gap: 25px;
  }
  
  .service-card {
    padding: 25px;
  }
  
  .service-icon {
    width: 70px;
    height: 70px;
    font-size: 28px;
  }
  
  .service-card h3 {
    font-size: 18px;
  }
  
  .service-card p {
    font-size: 13px;
  }
}

@media (max-width: 576px) {
  .service-content {
    padding: 40px 0;
  }
  
  .services-grid {
    gap: 20px;
  }
  
  .service-card {
    padding: 20px;
  }
}

.service-card {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.service-icon {
  width: 80px;
  height: 80px;
  background-color: #1e88e5;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 开发流程/迁移流程样式 */
.development-process,
.database-migration-process,
.middleware-migration-process {
  padding: 80px 0;
  background-color: #fff;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* 增强开发流程的响应式设计 */
@media (max-width: 768px) {
  .development-process, .database-migration-process, .middleware-migration-process {
    padding: 60px 0;
  }
  
  .process-steps {
    gap: 25px;
  }
  
  .process-step {
    padding: 25px;
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    font-size: 20px;
    top: -15px;
    left: 25px;
  }
  
  .process-step h3 {
    font-size: 18px;
    margin-top: 30px;
  }
  
  .process-step p {
    font-size: 13px;
  }
}

@media (max-width: 576px) {
  .development-process, .database-migration-process, .middleware-migration-process {
    padding: 40px 0;
  }
  
  .process-steps {
    gap: 20px;
  }
  
  .process-step {
    padding: 20px;
  }
  
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 18px;
    top: -10px;
    left: 20px;
  }
  
  .process-step h3 {
    font-size: 16px;
    margin-top: 25px;
  }
}

.process-step {
  background-color: #f8f9fa;
  padding: 30px;
  border-radius: 8px;
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  background-color: #e3f2fd;
  transform: translateY(-5px);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 30px;
  width: 60px;
  height: 60px;
  background-color: #1e88e5;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.process-step h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
  margin-top: 40px;
}

.process-step p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 客户案例样式 */
.customer-cases {
  padding: 80px 0;
  background-color: #f5f5f5;
}

.case-study {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.case-study:last-child {
  margin-bottom: 0;
}

/* 增强客户案例的响应式设计 */
@media (max-width: 768px) {
  .customer-cases {
    padding: 60px 0;
  }
  
  .case-study {
    margin-bottom: 30px;
  }
  
  .case-image {
    height: 350px;
  }
  
  .case-content {
    padding: 30px 25px;
  }
  
  .case-content h3 {
    font-size: 22px;
  }
}

@media (max-width: 576px) {
  .customer-cases {
    padding: 40px 0;
  }
  
  .case-study {
    margin-bottom: 25px;
  }
  
  .case-image {
    height: 250px;
  }
  
  .case-content {
    padding: 25px 20px;
  }
  
  .case-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .case-content p {
    font-size: 14px;
  }
}

.case-image {
  flex: 1;
  min-width: 300px;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  flex: 1;
  min-width: 300px;
  padding: 40px;
}

.case-content h3 {
  font-size: 24px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 20px;
}

.case-content p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 24px;
}

.case-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.case-content ul {
  list-style: none;
}

.case-content li {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 8px;
  padding-left: 24px;
  position: relative;
}

.case-content li:before {
  content: "•";
  color: #1e88e5;
  font-size: 24px;
  position: absolute;
  left: 0;
  top: -4px;
}

/* 案例卡片网格 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.case-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.case-card .case-image {
  height: 200px;
}

.case-card .case-content {
  padding: 24px;
}

.case-card .case-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.case-card .case-content p {
  font-size: 14px;
  line-height: 1.6;
}

/* FAQ样式 */
.faq {
  padding: 80px 0;
  background-color: #fff;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-question h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
}

.faq-question i {
  font-size: 18px;
  color: #1D5AB8;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  padding-bottom: 20px;
}

/* 增强FAQ的响应式设计 */
@media (max-width: 768px) {
  .faq {
    padding: 60px 0;
  }
  
  .faq-question h3 {
    font-size: 18px;
  }
  
  .faq-answer p {
    font-size: 15px;
  }
}

@media (max-width: 576px) {
  .faq {
    padding: 40px 0;
  }
  
  .faq-question {
    padding: 15px 0;
  }
  
  .faq-question h3 {
    font-size: 16px;
  }
  
  .faq-answer p {
    font-size: 14px;
  }
}

/* 联系咨询样式 */
.contact-section {
  background-color: #1D5AB8;
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

/* 增强联系咨询的响应式设计 */
@media (max-width: 768px) {
  .contact-section {
    padding: 60px 0;
  }
  
  .contact-content h2 {
    font-size: 28px;
  }
  
  .contact-content p {
    font-size: 16px;
  }
}

@media (max-width: 576px) {
  .contact-section {
    padding: 40px 0;
  }
  
  .contact-content h2 {
    font-size: 24px;
  }
  
  .contact-content p {
    font-size: 14px;
  }
  
  .contact-content .btn-primary {
    padding: 12px 30px;
    font-size: 16px;
  }
}

.contact-content h2 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-content p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.contact-content .btn-primary {
  background-color: #fff;
  color: #1D5AB8;
}

.contact-content .btn-primary:hover {
  background-color: #f5f5f5;
  transform: translateY(-2px);
}

/* 联系方式样式 */
.contact-info {
  padding: 80px 0;
  background-color: #fff;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.contact-info-item {
  text-align: center;
  padding: 30px;
  background-color: #f8f9fa;
  border-radius: 8px;
  transition: all 0.3s ease;
}

/* 增强联系方式的响应式设计 */
@media (max-width: 768px) {
  .contact-info {
    padding: 60px 0;
  }
  
  .contact-info-grid {
    gap: 25px;
  }
  
  .contact-info-item {
    padding: 25px;
  }
}

@media (max-width: 576px) {
  .contact-info {
    padding: 40px 0;
  }
  
  .contact-info-grid {
    gap: 20px;
  }
  
  .contact-info-item {
    padding: 20px;
  }
}

.contact-info-item:hover {
  transform: translateY(-5px);
  background-color: #e3f2fd;
}

.contact-icon {
  width: 80px;
  height: 80px;
  background-color: #1D5AB8;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}

.contact-info-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.contact-info-item p {
  font-size: 16px;
  color: #666;
  line-height: 1.6;
}

/* 联系表单样式 */
.contact-form-section {
  padding: 80px 0;
  background-color: #f5f5f5;
}

.contact-form-content {
  max-width: 800px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-form-content h2 {
  font-size: 28px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.contact-form-content p {
  font-size: 16px;
  color: #666;
  margin-bottom: 32px;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group:nth-child(6) {
  grid-column: 1 / -1;
}

.form-group:last-child {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1e88e5;
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* 地图样式 */
.map-section {
  padding: 40px 0;
  background-color: #fff;
}

.map-placeholder {
  height: 400px;
  background-color: #f5f5f5;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #999;
}

/* 系统架构与应用场景并排显示样式 */
.architecture-scenarios-section {
  padding: 80px 0;
  background-color: #fff;
}

.architecture-scenarios-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
}

.architecture-column,
.scenarios-column {
  flex: 1;
  min-width: 300px;
}

/* 确保系统架构部分有足够的空间 */
.architecture-column {
  min-width: 400px;
}

/* 应用场景的网格布局调整 */
.scenarios-column .scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.scenarios-column .scenario-item {
  background-color: #f8f9fa;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.scenarios-column .scenario-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.scenarios-column .scenario-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.scenarios-column .scenario-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 16px 20px 8px;
}

.scenarios-column .scenario-item p {
  font-size: 14px;
  color: #666;
  margin: 0 20px 20px;
  line-height: 1.6;
}

/* 系统架构图样式调整 */
.architecture-diagram img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.architecture-layers {
  display: grid;
  gap: 15px;
}

.architecture-layer {
  background-color: #f8f9fa;
  padding: 15px 20px;
  border-radius: 6px;
  border-left: 4px solid var(--brand-blue);
}

.architecture-layer h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.architecture-layer p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 响应式设计调整 */
@media (max-width: 1200px) {
  .architecture-scenarios-content {
    gap: 30px;
  }
  
  .architecture-column,
  .scenarios-column {
    min-width: 350px;
  }
}

@media (max-width: 992px) {
  .architecture-scenarios-section {
    padding: 60px 0;
  }
  
  .architecture-column,
  .scenarios-column {
    min-width: 100%;
  }
  
  .scenarios-column .scenarios-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .architecture-scenarios-section {
    padding: 40px 0;
  }
  
  .scenarios-column .scenario-item img {
    height: 140px;
  }
  
  .scenarios-column .scenario-item h3 {
    font-size: 16px;
  }
  
  .scenarios-column .scenario-item p {
    font-size: 13px;
  }
}

/* 页脚样式 */
.footer {
  background-color: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 20px;
}

.footer-logo p {
  font-size: 14px;
  color: #aaa;
  line-height: 1.8;
}

.footer-links h3,
.footer-contact h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
  list-style: none;
}

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

.footer-links a {
  color: #aaa;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: #1D5AB8;
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  font-size: 14px;
  color: #aaa;
}

.footer-contact li i {
  margin-right: 12px;
  margin-top: 4px;
  font-size: 16px;
  color: #1D5AB8;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid #333;
}

.footer-bottom p {
  font-size: 14px;
  color: #777;
}

.footer-bottom p a {
  color: #777;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom p a:hover {
  color: #1D5AB8;
  text-decoration: underline;
}

/* 增强页脚的响应式设计 */
@media (max-width: 768px) {
  .footer {
    padding: 60px 0 30px;
  }
  
  .footer-top {
    gap: 30px;
    margin-bottom: 30px;
  }
  
  .footer-links h3,
  .footer-contact h3 {
    font-size: 18px;
    margin-bottom: 15px;
  }
  
  .footer-bottom {
    padding-top: 30px;
  }
}

@media (max-width: 576px) {
  .footer {
    padding: 40px 0 20px;
  }
  
  .footer-top {
    gap: 25px;
    margin-bottom: 25px;
  }
  
  .footer-logo img {
    height: 35px;
    margin-bottom: 15px;
  }
  
  .footer-links h3,
  .footer-contact h3 {
    font-size: 16px;
    margin-bottom: 12px;
  }
  
  .footer-links li,
  .footer-contact li {
    margin-bottom: 10px;
  }
  
  .footer-logo p,
  .footer-contact li,
  .footer-bottom p {
    font-size: 13px;
  }
  
  .footer-bottom {
    padding-top: 20px;
  }
}

/* 返回顶部按钮样式 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #1e88e5;
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: #1565c0;
  transform: translateY(-5px);
}

/* 响应式设计 - 优化版 */
/* 桌面端 */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
  
  /* 优化卡片布局 */
  .feature-cards, 
  .services-grid, 
  .platforms-grid, 
  .databases-grid, 
  .middleware-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 优化案例研究布局 */
  .case-study {
    gap: 30px;
  }
}

/* 平板端 (992px-768px) */
@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  /* 增强导航栏的响应式设计 */
  .header .container {
    height: 75px;
    padding: 0 15px;
  }
  
  .logo img {
    height: 40px;
  }
  
  .nav {
    position: relative;
  }
  
  /* 确保在小屏幕上菜单默认隐藏 */
  .nav-menu {
    display: none;
  }
  
  /* 显示移动端菜单按钮 */
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* 移动端菜单项动画 */
  .nav-item {
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
  }
  
  .nav-item:nth-child(1) { animation-delay: 0.05s; }
  .nav-item:nth-child(2) { animation-delay: 0.1s; }
  .nav-item:nth-child(3) { animation-delay: 0.15s; }
  .nav-item:nth-child(4) { animation-delay: 0.2s; }
  
  /* 淡入上移动画 */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* 优化标题大小 */
  .page-title h1 {
    font-size: 36px;
  }
  
  /* 垂直堆叠产品介绍 */
  .product-intro-content, 
  .product-intro-image {
    flex: 100%;
    margin-right: 0;
    margin-bottom: 40px;
  }
  
  /* 垂直堆叠案例研究 */
  .case-study {
    flex-direction: column;
  }
  
  .case-image {
    height: 300px;
  }
  
  /* 优化卡片布局 */
  .feature-cards, 
  .services-grid, 
  .platforms-grid, 
  .databases-grid, 
  .middleware-grid {
    grid-template-columns: 1fr;
  }
  
  /* 优化技术优势布局 */
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 小型平板/大屏手机 (768px-576px) */
@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  
  /* 减少页边距 */
  .page-title {
    padding: 40px 0;
  }
  
  /* 进一步减小标题 */
  .page-title h1 {
    font-size: 28px;
  }
  
  .section-header h2 {
    font-size: 24px;
  }
  
  /* 单列表单布局 */
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  /* 单列页脚布局 */
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  /* 优化技术优势布局 */
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  /* 优化开发流程步骤 */
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .step-number {
    font-size: 32px;
    width: 60px;
    height: 60px;
    line-height: 60px;
  }
}

/* 手机端 (<576px) */
@media (max-width: 576px) {
  .container {
    max-width: 100%;
    padding: 0 15px;
  }
  
  /* 减小头部高度 */
  .header .container {
    height: 60px;
  }
  
  /* 减小logo */
  .logo img {
    height: 30px;
  }
  
  /* 适配手机的标题大小 */
  .page-title h1 {
    font-size: 24px;
  }
  
  .section-header h2 {
    font-size: 20px;
  }
  
  /* 适配手机的按钮大小 */
  .btn-primary {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  /* 适配手机的返回顶部按钮 */
  .back-to-top {
    width: 50px;
    height: 50px;
    font-size: 20px;
    bottom: 20px;
    right: 20px;
  }
  
  /* 优化汉堡菜单样式 */
  .mobile-menu-btn {
  width: 40px;
  height: 40px;
  font-size: 24px;
}
  
  /* 优化移动端导航菜单 */
  .mobile-menu {
    padding: 20px 15px;
  }
  
  /* 减小图标大小 */
  .feature-card i, 
  .service-card i {
    font-size: 24px;
  }
  
  /* 优化联系方式布局 */
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
  
  /* 优化FAQ样式 */
  .faq-item h3 {
    font-size: 16px;
  }
}

/* 高分辨率设备优化 */
@media (-webkit-device-pixel-ratio: 2), (resolution: 192dpi), (resolution: 2dppx) {
  /* 针对高分辨率屏幕的优化 */
  .btn-primary, .btn-secondary {
    transition: all 0.2s ease-in-out;
  }
  
  .logo img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* 横屏模式优化 */
@media (orientation: landscape) {
  .page-title {
    padding: 30px 0;
  }
  
  .case-image {
    height: 400px;
  }
}

/* 打印样式优化 */
@media print {
  .header, .footer, .back-to-top, .mobile-menu-btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    color: #000;
  }
  
  .container {
    max-width: 100%;
  }
}

/* 企业文化样式 */
.company-culture {
  padding: 80px 0;
  background-color: #fff;
}

.culture-image {
  text-align: center;
  margin-bottom: 50px;
}

.culture-svg {
  max-width: 100%;
  height: auto;
  max-height: 500px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.culture-svg:hover {
  transform: scale(1.02);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.culture-item {
  text-align: center;
  padding: 30px;
  background-color: #f8f9fa;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.culture-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.culture-icon {
  width: 80px;
  height: 80px;
  background-color: #1e88e5;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
}

.culture-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.culture-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 智创未来愿景样式 */
.future-vision {
  padding: 80px 0;
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.future-vision::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(30, 136, 229, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 0;
}

.vision-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.vision-image {
  max-width: 100%;
  height: auto;
  max-height: 500px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(30, 136, 229, 0.2));
  transition: all 0.6s ease-in-out;
}

.vision-image:hover {
  transform: scale(1.02) translateY(-5px);
  filter: drop-shadow(0 6px 20px rgba(30, 136, 229, 0.3));
}

/* 智创未来愿景响应式设计 */
@media (max-width: 768px) {
  .future-vision {
    padding: 60px 0;
  }
  
  .vision-image {
    max-height: 400px;
  }
}

@media (max-width: 576px) {
  .future-vision {
    padding: 40px 0;
  }
  
  .vision-image {
    max-height: 300px;
  }
}

/* 动画效果 */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.vision-image {
  animation: float 8s ease-in-out infinite;
}