/* ========================================
   2025移动端设计 - 真实最佳实践
   基于: Apple, Linear, 拇指区域原则
   ======================================== */

@media (max-width: 768px) {
  
  /* ===== 启用底部导航栏 ===== */
  .mobile-bottom-nav { display: flex !important; }
  
  /* ===== 全局重置与基础 - 最高优先级 ===== */
  * {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }
  
  /* ===== 基础重置 - 温和版本 ===== */
  html {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    scroll-behavior: smooth;
  }
  
  body {
    font-size: 16px;
    padding: 0 0 80px 0; /* 只保留底部导航空间 */
    margin: 0;
    background: linear-gradient(120deg, #b8d5ff, #c6f6d1); /* 保持网页版背景渐变 */
    overflow-x: hidden;
    color: #1a1a1a;
    min-height: 100vh;
  }

  body.standalone-mode {
    padding-top: 0 !important;
  }
  
  /* ===== 修复顶部空白 - 针对特定元素，避免影响布局 ===== */
  /* 注意：不能对所有元素设置margin-top:0，会影响内部布局 */
  .hero-section,
  .hero-slides,
  .hero-slide,
  main,
  .main,
  section:first-of-type {
    margin-top: 0 !important;
  }
  
  /* 开场动画完全覆盖屏幕，不留空白 */
  .intro-overlay {
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    position: fixed !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100svh !important;
  }
  
  .intro-background {
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }
  
  /* 开场动画文字在移动端的优化 */
  .intro-text h1 {
    font-size: 1.5rem !important;
    margin-bottom: 1rem !important;
  }
  
  .intro-text p {
    font-size: 2.5rem !important;
    line-height: 1.2 !important;
  }
  
  /* 主内容区域 - 保持原有功能 */
  main,
  .main {
    margin: 0;
    padding: 0;
    background: transparent;
    width: 100%;
    max-width: 100%;
  }
  
  /* ===== 隐藏桌面端元素和背景渐变 ===== */
  .hero-tabs,
  .hero-search-box,
  .hero-pill-bar,
  .background-gradient {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
    position: absolute !important;
    z-index: -9999 !important;
  }
  
  /* 保留侧边栏，但隐藏在屏幕外 */
  .sidebar {
    transform: translateX(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: all 0.3s ease !important;
  }
  
  /* 当nav-open时显示侧边栏 */
  body.nav-open .sidebar {
    transform: translateX(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 1000 !important;
  }
  
  /* 移动端侧边栏遮罩 - 不使用模糊效果 */
  body.nav-open::before {
    content: "" !important;
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.4) !important;
    z-index: 999 !important;
    /* 不使用backdrop-filter，避免模糊 */
  }
  
  /* 隐藏原来的sidebar-expand-btn，使用系统的sidebar-toggle */
  .sidebar-expand-btn {
    display: none !important;
  }
  
  /* 显示并美化系统的sidebar-toggle按钮 */
  .sidebar-toggle {
    display: flex !important;
    position: fixed !important;
    top: 1rem !important;
    right: 1rem !important;
    width: 48px !important;
    height: 48px !important;
    background: #ffffff !important;
    border-radius: 12px !important;
    border: 1px solid #e0e0e0 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    align-items: center !important;
    justify-content: center !important;
    flex-direction: column !important;
    gap: 3px !important;
    cursor: pointer !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
  }
  
  .sidebar-toggle span {
    width: 20px !important;
    height: 2px !important;
    background: #1a1a1a !important;
    border-radius: 1px !important;
    transition: all 0.3s ease !important;
  }
  
  .sidebar-toggle:active {
    transform: scale(0.95) !important;
    background: rgba(255, 255, 255, 0.95) !important;
  }
  
  /* ===== Hero区域 - 完全贴顶，无任何空白 ===== */
  .hero-section,
  .about-hero {
    height: 70vh !important;
    min-height: 500px !important;
    max-height: 700px !important;
    border-radius: 0 !important;
    margin: 0 !important;
    margin-top: 0 !important;
    padding: 0 !important;
    padding-top: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    display: flex !important;
    align-items: flex-end !important;
    justify-content: center !important;
    padding-bottom: 3rem !important;
    overflow: hidden !important;
    z-index: 1 !important;
  }
  
  /* 强制轮播图容器贴顶 */
  .hero-slides {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }
  
  .hero-slide {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
  }
  
  /* Hero强渐变遮罩 - 顶部完全透明，只在底部有渐变 */
  .hero-section::after {
    content: '';
    position: absolute;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0) 40%,
      rgba(0, 0, 0, 0.2) 70%,
      rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
    pointer-events: none;
  }
  
  .hero-content {
    position: relative !important;
    z-index: 2 !important;
    padding: 0 2rem !important;
    text-align: center !important;
    max-width: 100% !important;
  }
  
  .hero-title {
    font-size: 3rem !important;
    line-height: 1.1 !important;
    margin-bottom: 1.5rem !important;
    font-weight: 900 !important;
    color: #fff !important;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
    letter-spacing: -0.03em !important;
  }
  
  .hero-subtitle {
    font-size: 1.15rem !important;
    line-height: 1.6 !important;
    margin-bottom: 0 !important;
    color: rgba(255, 255, 255, 0.9) !important;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4) !important;
    font-weight: 400 !important;
    max-width: 90% !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }
  
  /* Hero指示器 - 极简风格 */
  .hero-indicators {
    bottom: 4rem !important;
    z-index: 3 !important;
  }
  
  .hero-indicator {
    width: 6px !important;
    height: 6px !important;
    margin: 0 5px !important;
    background: rgba(255, 255, 255, 0.4) !important;
    border: none !important;
    transition: all 0.3s ease !important;
  }
  
  .hero-indicator.active {
    background: #fff !important;
    width: 32px !important;
    height: 6px !important;
    border-radius: 3px !important;
  }
  
  /* ===== 主内容区域 - 完全透明，不遮挡hero图片 ===== */
  .main {
    margin: 0 !important;
    margin-top: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 0 !important;
    padding-top: 0 !important;
    border-radius: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    background: transparent !important; /* 完全透明，让hero图片完全显示 */
    box-shadow: none !important;
    position: relative !important;
    left: 0 !important;
    top: 0 !important;
    z-index: 2 !important;
  }

  /* Section 统一卡片间距（移动端） */
  section {
    margin: 1.5rem 1rem !important;
    padding: 2rem 1.5rem !important;
    border-radius: 24px !important;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow:
      0 8px 32px rgba(0, 0, 0, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  }
  
  section:first-of-type {
    margin-top: 0 !important;
    z-index: 10 !important;
    position: relative !important;
  }

  /* ===== 数据中心卡片（Apple风格） ===== */
  .dc-card {
    background: rgba(255, 255, 255, 0.9) !important;
    border-radius: 20px !important;
    box-shadow:
      0 4px 20px rgba(0, 0, 0, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
    padding: 1.5rem !important;
    margin: 1rem 0 !important;
    width: 100% !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
  }

  .dc-card h4 {
    font-size: 1.2rem !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    margin: 0 0 0.5rem !important;
  }

  .dc-card p {
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
    color: #4a5568 !important;
    margin: 0 0 1rem !important;
  }

  .dc-card .server-metrics {
    border-top: 1px solid rgba(0, 0, 0, 0.08) !important;
    padding-top: 1rem !important;
    gap: 1rem !important;
    display: flex !important;
    justify-content: space-between !important;
  }

  .dc-card .server-metrics .metric-num {
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
  }

  .dc-card .server-metrics span:last-child {
    color: #666 !important;
    font-size: 0.7rem !important;
    letter-spacing: 0.01em !important;
  }
  
  /* 数据中心网格在移动端单列显示 */
  .dc-cards {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
  }
  
  /* Section标题 */
  section h2 {
    font-size: 1.75rem !important;
    margin-bottom: 1rem !important;
    color: #1a1a1a !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em !important;
  }
  
  .eyebrow {
    font-size: 0.75rem !important;
    letter-spacing: 0.1em !important;
    text-transform: uppercase !important;
    color: #666 !important;
    font-weight: 600 !important;
    margin-bottom: 0.75rem !important;
  }
  
  /* ===== 卡片网格 ===== */
  .story-grid,
  .vision-row,
  .timeline-grid,
  .contact-grid,
  .service-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.5rem !important;
  }
  
  /* ===== 卡片设计 - 清晰透明效果 ===== */
  .story-panel,
  .timeline-item,
  .contact-card,
  .service-card,
  .company-overview-card {
    padding: 1.75rem !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(15px) !important;
    -webkit-backdrop-filter: blur(15px) !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    box-shadow: 
      0 4px 20px rgba(0, 0, 0, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }
  
  /* 卡片按下效果 */
  .story-panel:active,
  .timeline-item:active,
  .contact-card:active,
  .service-card:active {
    transform: translateY(-2px) !important;
    box-shadow: 
      0 8px 30px rgba(0, 0, 0, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
  }
  
  /* 愿景卡片 - 保留渐变但增强 */
  .vision-card {
    padding: 2rem !important;
    border-radius: 24px !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    box-shadow: 
      0 12px 40px rgba(0, 0, 0, 0.4),
      inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    color: #fff !important;
  }
  
  /* 卡片标题 */
  .story-panel h3,
  .timeline-item h3,
  .contact-card h3,
  .service-card h3 {
    font-size: 1.25rem !important;
    margin-bottom: 0.75rem !important;
    color: #1a1a1a !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
    letter-spacing: -0.01em !important;
  }
  
  /* 愿景卡片标题保持白色 */
  .vision-card h3 {
    font-size: 1.35rem !important;
    margin-bottom: 0.75rem !important;
    color: #fff !important;
    font-weight: 700 !important;
    line-height: 1.3 !important;
    letter-spacing: -0.01em !important;
  }
  
  /* 卡片文本 */
  .story-panel p,
  .timeline-item p,
  .contact-card p,
  .service-card p {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
    color: #4a5568 !important;
    margin: 0 !important;
  }
  
  /* 愿景卡片文本保持白色 */
  .vision-card p {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
    color: rgba(255, 255, 255, 0.9) !important;
    margin: 0 !important;
  }
  
  .vision-card h3,
  .vision-card p {
    color: #fff !important;
  }
  
  /* ===== 详情页 - 简单修复 ===== */
  .detail-page {
    padding: 1rem !important;
    background: linear-gradient(120deg, #b8d5ff, #c6f6d1) !important;
    min-height: 100vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  
  /* 确保详情页内容可见 */
  .detail-page.with-breadcrumb {
    padding-top: 70px !important; /* 为面包屑留出空间 */
  }
  
  .detail-header {
    padding: 6rem 2rem 3rem !important;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-radius: 0 0 24px 24px !important;
    margin-bottom: 2rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
  }
  
  .detail-header h1 {
    font-size: 2.5rem !important;
    line-height: 1.2 !important;
    color: #1a1a1a !important;
    font-weight: 700 !important;
    margin-bottom: 1rem !important;
    letter-spacing: -0.02em !important;
  }
  
  .detail-subtitle {
    font-size: 1.1rem !important;
    color: #4a5568 !important;
    line-height: 1.6 !important;
  }
  
  .detail-content {
    padding: 0 !important;
  }
  
  .detail-article {
    padding: 2rem !important;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-radius: 24px !important;
    margin: 0 1rem 2rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
  }
  
  .detail-article h2 {
    font-size: 1.75rem !important;
    margin: 2rem 0 1rem !important;
    color: #1a1a1a !important;
    font-weight: 700 !important;
  }
  
  .detail-article h2:first-child {
    margin-top: 0 !important;
  }
  
  .detail-article h3 {
    font-size: 1.4rem !important;
    margin: 1.5rem 0 0.75rem !important;
    color: #1a1a1a !important;
    font-weight: 600 !important;
  }
  
  .detail-article p {
    font-size: 1rem !important;
    line-height: 1.7 !important;
    color: #4a5568 !important;
    margin-bottom: 1.25rem !important;
  }
  
  .detail-article ul,
  .detail-article ol {
    padding-left: 1.5rem !important;
    margin-bottom: 1.25rem !important;
  }
  
  .detail-article li {
    font-size: 1rem !important;
    line-height: 1.7 !important;
    color: #4a5568 !important;
    margin-bottom: 0.5rem !important;
  }
  
  /* 产品功能卡片 - 强制单列显示 */
  .detail-article > div[style*="grid-template-columns"],
  .detail-article div[style*="grid-template-columns"] {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.25rem !important;
    grid-template-columns: none !important;
  }
  
  .detail-article > div > div,
  .detail-article div > div {
    padding: 1.5rem !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1) !important;
    margin-bottom: 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  /* 确保所有详情页内容可见 */
  .detail-page * {
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .detail-page .detail-content,
  .detail-page .detail-article,
  .detail-page .detail-header {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* ===== 返回按钮 - 清晰可见设计 ===== */
  .back-btn {
    position: fixed !important;
    top: 2rem !important;
    left: 1.5rem !important;
    padding: 0.75rem 1.25rem !important;
    font-size: 0.9rem !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    color: #1a1a1a !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1) !important;
    z-index: 1001 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
  }
  
  .back-btn:active {
    transform: scale(0.95) !important;
    background: rgba(255, 255, 255, 0.95) !important;
  }
  
  .back-btn svg {
    width: 18px !important;
    height: 18px !important;
    stroke: #1a1a1a !important;
  }
  
  /* ===== 底部导航栏 - 与整体风格一致的玻璃拟态设计 ===== */
  .mobile-bottom-nav {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: 75px !important;
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.3) !important;
    display: flex !important;
    justify-content: space-around !important;
    align-items: center !important;
    padding: 0.75rem 0.5rem !important;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom)) !important;
    z-index: 1000 !important;
    box-shadow: 
      0 -4px 20px rgba(0, 0, 0, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  }
  
  .mobile-bottom-nav .nav-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    color: #4a5568 !important;
    text-decoration: none !important;
    padding: 0.6rem 0.5rem !important;
    border-radius: 16px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    flex: 1 !important;
    text-align: center !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    cursor: pointer !important;
  }
  
  .mobile-bottom-nav .nav-item svg {
    width: 24px !important;
    height: 24px !important;
    stroke-width: 2 !important;
    transition: all 0.3s ease !important;
  }
  
  .mobile-bottom-nav .nav-item span {
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.01em !important;
  }
  
  .mobile-bottom-nav .nav-item.active {
    color: #1a1a1a !important;
    background: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 
      0 2px 8px rgba(0, 0, 0, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
    transform: translateY(-2px) !important;
  }
  
  .mobile-bottom-nav .nav-item.active svg {
    transform: scale(1.1) !important;
  }
  
  .mobile-bottom-nav .nav-item:active {
    transform: scale(0.95) translateY(-1px) !important;
    background: rgba(255, 255, 255, 0.95) !important;
  }
  
  /* 桌面端隐藏底部导航 */
  @media (min-width: 769px) {
    .mobile-bottom-nav {
      display: none !important;
    }
  }
  
  /* ===== CTA按钮 - 渐变设计 ===== */
  .cta-box {
    padding: 3rem 2rem !important;
    border-radius: 32px !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: #fff !important;
    margin: 2rem 1rem !important;
    box-shadow: 0 16px 48px rgba(102, 126, 234, 0.4) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
  }
  
  .cta-box h3 {
    font-size: 1.75rem !important;
    color: #fff !important;
    font-weight: 800 !important;
    margin-bottom: 1rem !important;
    letter-spacing: -0.01em !important;
  }
  
  .cta-box p {
    font-size: 1.05rem !important;
    color: rgba(255, 255, 255, 0.95) !important;
    margin-bottom: 2rem !important;
    line-height: 1.6 !important;
  }
  
  .cta-box button,
  .contact-btn {
    padding: 1.1rem 2.5rem !important;
    font-size: 1.05rem !important;
    border-radius: 999px !important;
    background: #fff !important;
    color: #667eea !important;
    border: none !important;
    font-weight: 700 !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2) !important;
    transition: transform 0.2s ease !important;
  }
  
  .cta-box button:active,
  .contact-btn:active {
    transform: scale(0.96) !important;
  }
  
  /* ===== 联系卡片特殊样式 ===== */
  .contact-card {
    text-align: center !important;
  }
  
  .contact-icon {
    width: 56px !important;
    height: 56px !important;
    margin: 0 auto 1rem !important;
    background: rgba(10, 74, 182, 0.1) !important;
    border-radius: 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 1px solid rgba(10, 74, 182, 0.2) !important;
  }
  
  .contact-icon svg {
    width: 28px !important;
    height: 28px !important;
    stroke: #0a4ab6 !important;
  }
  
  .contact-detail {
    font-size: 1.1rem !important;
    color: #1a1a1a !important;
    font-weight: 600 !important;
    margin: 0.75rem 0 0.5rem !important;
  }
  
  .contact-desc {
    font-size: 0.9rem !important;
    color: #666 !important;
  }
  
  /* ===== 页脚 - 与整体风格一致 ===== */
  footer {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    padding: 3rem 2rem 8rem !important;
    border-top: 1px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08) !important;
    margin-top: 2rem !important;
  }
  
  .footer-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 2.5rem !important;
  }
  
  .footer-col h4 {
    font-size: 1.1rem !important;
    margin-bottom: 1.25rem !important;
    color: #1a1a1a !important;
    font-weight: 600 !important;
  }
  
  .footer-links li,
  .footer-contact li {
    font-size: 0.95rem !important;
    line-height: 2.2 !important;
    color: #4a5568 !important;
  }
  
  .footer-links a,
  .footer-contact a {
    color: #4a5568 !important;
    text-decoration: none !important;
    transition: color 0.3s ease !important;
  }
  
  .footer-links a:hover,
  .footer-contact a:hover {
    color: #1a1a1a !important;
  }
  
  .footer-bottom {
    margin-top: 2.5rem !important;
    padding-top: 2rem !important;
    border-top: 1px solid rgba(0, 0, 0, 0.08) !important;
    text-align: center !important;
    color: #666 !important;
  }
  
  /* ===== 联系表单 - 与整体风格一致 ===== */
  .contact-modal {
    background: rgba(0, 0, 0, 0.5) !important;
  }
  
  .contact-modal-content {
    width: 95vw !important;
    max-width: 95vw !important;
    max-height: 85vh !important;
    padding: 2rem 1.5rem !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(30px) !important;
    -webkit-backdrop-filter: blur(30px) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.8) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    transform: scale(1) translateY(0) !important;
  }
  
  .contact-modal-header h2,
  .modal-header h2 {
    font-size: 1.75rem !important;
    color: #1a1a1a !important;
    font-weight: 700 !important;
    margin-bottom: 0.75rem !important;
  }
  
  .contact-modal-subtitle {
    color: #4a5568 !important;
    font-size: 0.9rem !important;
  }
  
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
  
  .form-group label {
    font-size: 0.95rem !important;
    color: #1a1a1a !important;
    font-weight: 600 !important;
    margin-bottom: 0.5rem !important;
    display: block !important;
  }
  
  .form-group label .required {
    color: #dc2626 !important;
  }
  
  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 1rem !important;
    padding: 1rem !important;
    border-radius: 12px !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    color: #1a1a1a !important;
    transition: all 0.3s ease !important;
    width: 100% !important;
  }
  
  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: #666 !important;
  }
  
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: #0a4ab6 !important;
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 0 0 3px rgba(10, 74, 182, 0.1) !important;
    outline: none !important;
  }
  
  .submit-btn {
    padding: 1.1rem !important;
    font-size: 1rem !important;
    border-radius: 12px !important;
    background: #0a4ab6 !important;
    color: #fff !important;
    font-weight: 600 !important;
    border: none !important;
    width: 100% !important;
    box-shadow: 0 4px 16px rgba(10, 74, 182, 0.3) !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
  }
  
  .submit-btn:hover {
    background: #0940a3 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(10, 74, 182, 0.4) !important;
  }
  
  .submit-btn:active {
    transform: translateY(0) scale(0.98) !important;
  }
  
  /* ===== 联系表单额外修复 ===== */
  .contact-modal-close {
    background: rgba(0, 0, 0, 0.1) !important;
    color: #1a1a1a !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    border: none !important;
    font-size: 1.2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: absolute !important;
    top: 1rem !important;
    right: 1rem !important;
    z-index: 10 !important;
  }
  
  .contact-modal-close:active {
    background: rgba(0, 0, 0, 0.2) !important;
    transform: scale(0.95) !important;
  }
  
  /* 表单按钮区域 */
  .form-actions {
    display: flex !important;
    gap: 1rem !important;
    margin-top: 1.5rem !important;
  }
  
  .btn-secondary {
    background: rgba(0, 0, 0, 0.05) !important;
    color: #1a1a1a !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    padding: 1rem !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    flex: 1 !important;
  }
  
  .btn-secondary:active {
    background: rgba(0, 0, 0, 0.1) !important;
    transform: scale(0.98) !important;
  }
  
  /* ===== 回到顶部按钮 ===== */
  .back-to-top {
    width: 56px !important;
    height: 56px !important;
    bottom: 5.5rem !important;
    right: 1.5rem !important;
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3) !important;
    border-radius: 28px !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
  }
  
  .back-to-top svg {
    width: 24px !important;
    height: 24px !important;
    stroke: #fff !important;
  }
  
  .back-to-top:active {
    transform: scale(0.9) !important;
  }
  
  /* ===== 图片优化 ===== */
  .detail-hero-img,
  img {
    width: 100% !important;
    height: auto !important;
    max-height: 400px !important;
    object-fit: cover !important;
    border-radius: 24px !important;
    margin-bottom: 2rem !important;
  }
  
  /* ===== 公司介绍卡片 ===== */
  .company-intro-content {
    padding: 0 !important;
  }
  
  .company-overview-card {
    padding: 2rem !important;
    margin-bottom: 1.5rem !important;
  }
  
  .company-overview-card h3 {
    font-size: 1.4rem !important;
    color: #fff !important;
  }
  
  .company-overview-card p {
    font-size: 1rem !important;
    line-height: 1.7 !important;
    color: rgba(255, 255, 255, 0.8) !important;
  }
}

/* ===== 小手机优化 (≤480px) ===== */
@media (max-width: 480px) {
  body {
    font-size: 15px !important;
  }
  
  .hero-title {
    font-size: 2.5rem !important;
  }
  
  .hero-subtitle {
    font-size: 1.05rem !important;
  }
  
  section {
    margin: 1.5rem 0.75rem !important;
    padding: 2rem 1.5rem !important;
    border-radius: 28px !important;
  }
  
  section h2 {
    font-size: 1.75rem !important;
  }
  
  .story-panel,
  .vision-card,
  .timeline-item,
  .contact-card,
  .service-card {
    padding: 1.75rem !important;
    border-radius: 20px !important;
  }
}