/* ============================================
   移动端 & 响应式适配 (Mobile & Responsive)
   断点: 992px(平板), 768px(手机横屏), 576px(手机竖屏)
   ============================================ */

/* ---------- 992px 平板 ---------- */
@media (max-width: 992px) {
  html, body {
    overflow-x: hidden;
  }
  .navbar {
    z-index: 1600; /* 确保在遮罩层 1500 之上 */
    transition: background 0.3s;
  }
  /* 导航栏：显示 hamburger 菜单按钮，隐藏主菜单 */
  .navbar.is-open {
    background: #fff !important; /* 菜单打开时保持白色背景 */
    border-bottom: 1px solid #f0f0f0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2100 !important; /* 强行提升层级 */
  }
  .navbar.is-open .nav-brand,
  .navbar.is-open .mobile-toggle {
    position: relative;
    z-index: 2101;
  }
  .navbar.is-open .logo-text,
  .navbar.is-open .mobile-toggle {
    color: var(--color-primary) !important; /* 确保颜色不被覆盖 */
  }
  .navbar.is-open .brand-logo {
    filter: none; /* 菜单打开时 Logo 保持原色 */
  }
  .nav-menu {
    display: none !important; /* PC menu hidden unconditionally on mobile */
  }
  .nav-primary {
    flex-direction: column;
    height: auto;
    gap: 0;
  }
  .nav-item {
    height: auto;
    border-bottom: 1px solid #f0f0f0;
  }
  .nav-item > a {
    padding: 16px 0 !important;
    font-size: 17px;
    width: 100%;
    justify-content: space-between;
  }
  .nav-actions {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: 16px;
  }
  .search-label {
    display: none;
  }
  /* 移动端菜单切换 */
  .mobile-toggle {
    display: flex;
  }
  .hidden-desktop {
    display: block;
  }
  .hidden-mobile {
    display: none !important;
  }
  .hidden-lg {
    display: none !important;
  }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }
  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
  }
  /* 移动端下拉菜单 */
  .nav-item.has-dropdown .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 8px 16px;
    background: transparent;
    min-width: auto;
    display: none;
  }
  .nav-item.has-dropdown.is-open .dropdown-menu {
    display: block;
  }
  .nav-item.has-megamenu.is-open .megamenu {
    display: block !important;
  }
  .nav-item.has-megamenu .megamenu {
      display: none !important;
  }
  .nav-item.has-megamenu.is-open > .megamenu {
      display: block !important;
  }
  .nav-item.is-open > a::after {
    content: "\f078" !important; /* fa-chevron-down 强制展开时为向下箭头 */
    transform: none !important;
  }
  .nav-item > a::after {
    content: "\f054" !important; /* fa-chevron-right 默认强制为向右箭头 */
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
    font-size: 12px !important;
    color: #999 !important;
    display: inline-block !important;
    margin-left: auto !important; /* 将箭头推向最右侧 */
    transition: transform 0.3s ease;
  }
  .nav-item > a {
      display: flex !important;
      align-items: center !important;
      justify-content: space-between !important;
      width: 100% !important;
  }
  .nav-item:not(.has-dropdown):not(.has-megamenu) > a::after {
    display: none !important;
  }

  /* 彻底重构移动端下拉容器 */
  .megamenu, .dropdown-menu {
      display: none !important;
      background: transparent !important; /* 移除深色背景 */
      padding: 0 0 0 16px !important; /* 子菜单缩进 */
      border: none !important;
      box-shadow: none !important;
      position: static !important;
      width: 100% !important;
      opacity: 1 !important;
      visibility: visible !important;
      height: auto !important;
      pointer-events: auto !important;
      transform: none !important;
  }
  .nav-item.has-megamenu.is-open > .megamenu,
  .nav-item.has-dropdown.is-open > .dropdown-menu {
      display: block !important;
  }

  /* 移除 .megamenu-sidebar 引起的限制 */
  .megamenu-sidebar, .sol-menu-sidebar {
      display: block !important;
  }

  /* 强制子项为简单的文字行 */
  .megamenu-tabs, .megamenu-grid, .sol-menu-nav, .insights-grid {
      display: flex !important;
      flex-direction: column !important;
      padding: 0 !important;
      margin: 0 !important;
      list-style: none !important;
  }
  .megamenu-tab, .megamenu-item, .sol-menu-nav-item, .sol-menu-link, .insight-card {
      display: flex !important;
      padding: 14px 16px 14px 0 !important;
      border-bottom: 1px solid #eee !important;
      color: #666 !important;
      font-size: 15px !important;
      justify-content: space-between !important;
      align-items: center !important;
      background: transparent !important;
      width: 100% !important;
  }
  .megamenu-tab::after, .megamenu-item::after, .sol-menu-nav-item::after, .insight-card::after {
      content: "\f054" !important;
      font-family: "Font Awesome 6 Free" !important;
      font-weight: 900 !important;
      font-size: 11px !important;
      color: #ccc !important;
      margin-left: 8px !important;
  }
  .megamenu-tab.active,
  .sol-menu-nav-item.active {
      background-color: transparent !important;
      border-left: none !important;
  }
  .megamenu-tab.active .megamenu-tab-title,
  .sol-menu-nav-item.active .sol-menu-nav-title {
      color: var(--color-primary) !important;
      font-weight: 700 !important;
  }

  /* 为了支持像参考图2那样的缩进和完全展示，我们要把 content 也展示出来，并去掉 tab 的点击行为（纯展示）*/
  .megamenu-content, .sol-menu-content-area {
      display: block !important;
      padding-left: 16px !important; /* 子菜单再次缩进 */
  }

  .megamenu-pane, .sol-menu-panel {
      display: block !important; /* 强制全部显示 */
      opacity: 1 !important;
      visibility: visible !important;
      position: static !important;
      height: auto !important;
      transform: none !important;
      padding: 0 !important;
  }

  /* 如果同时显示 tab 和 pane，我们需要把它们组合起来显示，因为原来的 HTML 结构中，tabs 和 content 是分离的。
     由于 HTML 结构分离，为了达到参考图的效果，我们必须隐藏 tabs，只显示 content（因为 content 包含了完整的层级结构），
     并重设 content 内部的标题为列表项。*/

  /* 隐藏左侧 tabs */
  .megamenu-tabs, .sol-menu-nav {
      display: none !important;
  }

  /* 把原本右侧 pane 转换为列表项 */
  .megamenu-pane, .sol-menu-panel {
      margin-bottom: 0 !important;
  }

  .megamenu-item, .sol-menu-link {
      display: flex !important;
      padding: 14px 0 14px 16px !important;
      border-bottom: 1px solid #eee !important;
      color: #666 !important;
      font-size: 15px !important;
      justify-content: space-between !important;
      align-items: center !important;
      background: transparent !important;
      width: 100% !important;
  }

  /* 去掉 pane 上的装饰线 */
  .megamenu-pane, .sol-menu-panel {
      border: none !important;
  }

  /* 彻底清理 PC 端特有的复杂容器嵌套干扰 */
  .megamenu-container, .sol-menu-container, .insights-menu-container,
  .megamenu-sidebar, .sol-menu-sidebar,
  .megamenu-content, .sol-menu-content-area, .insights-container, .insights-header, .insights-grid {
      display: block !important;
      padding: 0 !important;
      margin: 0 !important;
      width: 100% !important;
      height: auto !important;
      opacity: 1 !important;
      visibility: visible !important;
      position: static !important;
  }

  /* 隐藏干扰元素 */
  .megamenu-tab-icon, .megamenu-tab-arrow, .megamenu-item-icon, .megamenu-item-desc,
  .sol-menu-nav-icon, .sol-menu-nav-arrow, .sol-menu-desc, .sol-menu-panel-image,
  .insight-icon, .insight-desc, .insight-arrow, .featured-label,
  .megamenu-banner, .insights-header, .solution-link, .megamenu-pane:not(.active) {
      display: none !important;
  }
  .megamenu-tab-text, .megamenu-tab-title, .sol-menu-title, .insight-title, .megamenu-item-title {
      display: block !important;
      margin: 0 !important;
      padding: 0 !important;
      font-size: 15px !important;
      font-weight: 400 !important;
      color: #666 !important;
  }

  /* 列表项视觉回归：简单的文字行 + 箭头 */
  .megamenu-tab,
  .sol-menu-nav-item,
  .megamenu-item,
  .sol-menu-link,
  .insight-card {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 14px 0 !important;
    border-bottom: 1px solid #f5f5f5 !important;
    background: transparent !important;
    text-decoration: none !important;
    width: 100% !important;
  }
  .megamenu-tab:last-child,
  .sol-menu-nav-item:last-child,
  .megamenu-item:last-child,
  .sol-menu-link:last-child,
  .insight-card:last-child {
    border-bottom: none !important;
  }

  .megamenu-tab.active,
  .sol-menu-nav-item.active {
      background-color: transparent !important;
      border-left: none !important;
  }
  .megamenu-tab.active .megamenu-tab-title,
  .sol-menu-nav-item.active .sol-menu-nav-title {
      color: var(--color-primary) !important;
      font-weight: 700 !important;
  }

  /* 隐藏 PC 端特有的复杂装饰元素 */
  .megamenu-tab-icon,
  .megamenu-tab-arrow,
  .sol-menu-nav-icon,
  .sol-menu-nav-arrow,
  .megamenu-item-icon,
  .megamenu-item-desc,
  .sol-menu-panel-image,
  .sol-menu-desc,
  .insight-icon,
  .insight-desc,
  .insight-arrow,
  .featured-label,
  .megamenu-banner,
  .insights-header,
  .solution-link {
    display: none !important;
  }

  /* .insights-content 不应该隐藏，否则连带着内容都不见了 */
  /* 去掉从隐藏列表里的 .insights-content */

  .sol-menu-nav-text {
      display: block !important;
  }

  /* 隐藏 PC 端的左侧标签栏 */
  .megamenu-tabs, .sol-menu-nav, .insights-tabs {
      display: none !important;
  }

  /* 移动端专属导航样式 */
  .mobile-nav-menu {
      display: flex !important;
      position: fixed;
      top: 0;
      right: -320px;
      width: 320px;
      height: 100vh;
      background: #fff;
      box-shadow: -4px 0 20px rgba(0,0,0,0.1);
      z-index: 2000;
      flex-direction: column;
      justify-content: flex-start;
      padding: 80px 24px 40px;
      overflow-y: auto;
      transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .mobile-nav-menu.is-open {
      right: 0;
  }

  .mobile-nav-primary {
      display: flex;
      flex-direction: column;
      height: auto;
      gap: 0;
      padding: 0;
      margin: 0;
      list-style: none;
  }

  .mobile-nav-item {
      height: auto;
      border-bottom: 1px solid #f0f0f0;
  }

  .mobile-nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 16px 0;
      font-size: 17px;
      color: var(--text-primary);
      text-decoration: none;
      cursor: pointer;
      font-weight: 500;
  }

  .mobile-nav-arrow {
      font-size: 12px;
      color: #999;
      transition: transform 0.3s ease;
      float: right;
  }

  .mobile-nav-item.is-open .mobile-nav-link {
      color: var(--color-primary);
      font-weight: 700;
  }

  .mobile-nav-item.is-open .mobile-nav-arrow {
      transform: rotate(90deg); /* 展开时箭头向下 */
  }

  .mobile-submenu {
      display: none;
      list-style: none;
      padding: 0;
      margin: 0;
      background-color: #fafafa; /* 子菜单加个轻微的底色区分 */
  }

  .mobile-nav-item.is-open .mobile-submenu {
      display: block;
  }

  /* Submenu LI border handled on 'a' tag */

  .mobile-submenu a {
      display: flex !important;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px 14px 24px;
      color: #666;
      font-size: 15px;
      text-decoration: none;
      border-bottom: 1px solid #eee;
  }
  .mobile-submenu a::after {
      content: "\f054"; /* fa-chevron-right */
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 10px;
      color: #ccc;
  }
  .mobile-submenu li:last-child a {
      border-bottom: none;
  }
  .mobile-submenu a:hover {
      color: var(--color-primary);
  }

  .nav-item.has-megamenu .megamenu {
      display: none !important;
  }
  .nav-item.has-megamenu.is-open > .megamenu {
      display: block !important;
  }

  /* 确保文字显示正常 */
  .megamenu-tab-text,
  .megamenu-tab-title,
  .sol-menu-nav-title,
  .sol-menu-nav-text,
  .megamenu-item-title,
  .sol-menu-title,
  .insight-title {
    display: block !important;
    font-size: 15px !important;
    font-weight: 400 !important;
    color: #666 !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
  }

  /* 统一增加右侧小箭头 */
  .megamenu-tab::after,
  .sol-menu-nav-item::after,
  .megamenu-item::after,
  .sol-menu-link::after,
  .insight-card::after {
    content: "\f054" !important; /* fa-chevron-right */
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
    font-size: 11px !important;
    color: #ccc !important;
    margin-left: 8px !important;
    position: static !important;
    display: inline-block !important;
  }

  .megamenu-pane, .sol-menu-panel, .insights-content {
      display: block !important; /* 强制全部显示 */
      opacity: 1 !important;
      visibility: visible !important;
      position: static !important;
      height: auto !important;
      transform: none !important;
      padding: 0 !important;
  }

  /* 把原本右侧 pane 转换为列表项 */
  .megamenu-pane, .sol-menu-panel, .insights-content {
      margin-bottom: 0 !important;
  }

  .megamenu-item, .sol-menu-link, .insight-card {
      display: flex !important;
      padding: 14px 0 14px 0 !important; /* 取消左侧缩进，与父级对齐 */
      border-bottom: 1px solid #f5f5f5 !important;
      color: #666 !important;
      font-size: 15px !important;
      justify-content: space-between !important;
      align-items: center !important;
      background: transparent !important;
      width: 100% !important;
      text-decoration: none !important;
      box-shadow: none !important;
      border-radius: 0 !important;
      height: auto !important;
  }

  /* 移除 PC 端布局属性，确保垂直列表 */
  .megamenu-grid, .sol-menu-grid, .insights-grid {
      display: flex !important;
      flex-direction: column !important;
      padding: 0 !important;
      margin: 0 !important;
      gap: 0 !important;
  }

  /* 去掉 pane 上的装饰线 */
  .megamenu-pane, .sol-menu-panel, .insights-content {
      border: none !important;
  }

  /* 保证内容区展开时的显示 */
  .insights-grid {
      display: flex !important;
      flex-direction: column !important;
  }

  /* 为了支持像参考图2那样的缩进和完全展示，我们要把 content 也展示出来，并去掉 tab 的点击行为（纯展示）*/
  .megamenu-content, .sol-menu-content-area, .insights-container, .insights-content {
      display: block !important;
  }

  .nav-item.has-megamenu .megamenu {
    display: none !important;
  }
  .nav-item.has-megamenu.is-open .megamenu {
    display: block !important;
    position: static !important;
    visibility: visible !important;
    opacity: 1 !important;
    max-height: none !important;
    height: auto !important;
    z-index: auto !important;
    pointer-events: auto !important;
    box-shadow: none !important;
    transition: none !important;
    padding-left: 16px !important; /* 为子菜单增加整体缩进 */
  }

  .news-filters,
  .insight-filters,
  .case-filters {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* 洞察列表卡片网格 */
  .insight-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* 面包屑 */
  .detail-breadcrumb-section {
    padding: 88px 0 16px 0; /* 72px navbar + 16px spacing */
  }

  /* 案例列表网格 */
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* 行业观察列表网格 */
  #insights-list-container,
  .page-list-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }

  /* ====== 案例列表：卡片尺寸对齐行业观察 ====== */
  #cases-list-container {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
    min-height: 200px !important;
  }
  .case-card-v2 {
    min-height: auto !important;
  }
  .case-card-v2 .case-image-box {
    height: 180px !important;
  }
  .case-card-v2 .case-info-box {
    padding: 16px !important;
  }
  .case-card-v2 .case-meta {
    margin-bottom: 8px !important;
    font-size: 12px !important;
  }
  .case-card-v2 h3 {
    font-size: 1.05rem !important;
    margin-bottom: 10px !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    display: block !important;
  }
  .case-card-v2 p {
    font-size: 0.85rem !important;
    margin-bottom: 8px !important;
    line-height: 1.5 !important;
    display: block !important;
    -webkit-line-clamp: unset !important;
    overflow: visible !important;
  }
  .case-card-v2 .solution-link {
    display: inline-flex !important;
    padding: 6px 16px !important;
    font-size: var(--text-xs) !important;
  }

  /* 案例页左右布局堆叠 */
  .cases-layout {
    flex-direction: column !important;
    gap: 32px !important;
    align-items: stretch !important;
  }
  .cases-left-panel {
    flex: 0 0 auto !important;
    position: static !important;
    width: 100% !important;
  }
  .cases-right-panel {
    width: 100% !important;
  }
  #china-map-container {
    height: 400px !important;
  }
  .cases-filter .container-fluid,
  .cases-main-section .container-fluid {
    padding: 0 16px !important;
  }

  /* 子页面 Banner（覆盖行内 height 样式） */
  .sub-page-banner {
    height: 400px !important;
  }
  .sub-page-banner h1 {
    font-size: 2.6rem !important;
  }
  .sub-page-banner p {
    font-size: 1.1rem !important;
  }

  /* 筛选栏在平板端允许换行 */
  .news-filter-bar {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px !important;
  }
  .news-filter-bar .filter-left {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .news-filter-bar .filter-types {
    display: grid !important;
    grid-template-columns: auto auto;
    justify-content: center;
    gap: 8px 24px;
  }
  .news-filter-bar .filter-types .news-filter-btn {
    margin-left: 0;
    margin-right: 0;
  }
  .news-filter-bar .filter-right {
    width: 100%;
  }
  .news-filter-bar .news-search-box {
    width: 100% !important;
  }
  .news-filter-btn.active::after {
    width: 65% !important;
  }

  /* ====== 产品卡片：移动端完全重写，图上文下，与最新动态卡片一致 ====== */
  .products-grid {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto !important;
    gap: 16px !important;
  }
  .product-card {
    grid-column: span 1 !important;
    grid-row: auto !important;
    height: 390px !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    color: var(--text-primary) !important;
    text-decoration: none !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-md) !important;
  }
  .product-image {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    width: 100% !important;
    height: 200px !important;
    flex-shrink: 0 !important;
    z-index: 1 !important;
    overflow: hidden;
  }
  .image-placeholder {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-size: cover !important;
    background-position: center !important;
  }
  .product-content {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    display: flex !important;
    flex-direction: column !important;
    flex: 1 !important;
    padding: 12px 16px !important;
    background: #fff !important;
    z-index: 2 !important;
  }
  .product-title {
    font-size: var(--text-lg) !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    margin-bottom: 8px !important;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .product-desc {
    font-size: var(--text-sm) !important;
    color: var(--text-secondary) !important;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: 8px;
  }
  .product-badge {
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    z-index: 3 !important;
  }
  /* 按钮 */
  .product-card .solution-link {
    display: inline-flex !important;
    align-self: flex-start;
    padding: 6px 16px !important;
    font-size: var(--text-xs) !important;
    color: var(--color-primary) !important;
    border: 1px solid var(--color-primary) !important;
    border-radius: var(--radius-full) !important;
    background: transparent !important;
    opacity: 1 !important;
    margin-top: auto;
  }
  /* 取消 hover */
  .product-card:hover {
    transform: none !important;
    box-shadow: var(--shadow-md) !important;
  }
  .product-card:hover .image-placeholder {
    transform: none !important;
  }
  .solutions-section .container {
    width: 100%;
    padding: 0 24px;
  }
  .solutions-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 20px;
  }
  .solution-card {
    flex: none;
    height: 360px;
    width: 100%;
    filter: none !important;
    transition: none;
    box-shadow: var(--shadow-sm);
  }
  .solutions-grid:hover .solution-card {
    flex: none !important;
    filter: none !important;
  }
  .solutions-grid .solution-card:hover {
    flex: none !important;
    filter: none !important;
    box-shadow: var(--shadow-sm) !important;
  }
  .solution-card:hover .solution-image {
    transform: none;
  }

  /* 移动端修复：解除 pointer-events 限制，确保卡片可点击 */
  .product-card > *,
  .solution-card > *,
  .case-card > *,
  .news-bento-card > * {
    pointer-events: auto;
  }
  .product-card,
  .solution-card,
  .case-card,
  .news-bento-card {
    -webkit-tap-highlight-color: transparent;
  }

  /* ========== 移动端方案卡片：完全独立于 PC 端样式 ========== */

  /* 彻底消灭 PC hover 效果在移动端的残留 */
  .solution-card:hover .solution-title,
  .solution-card.is-active:hover .solution-title {
    left: auto !important;
    transform: none !important;
    font-size: 24px !important;
  }
  .solution-card:hover .solution-overlay {
    background: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.9) 0%,
      rgba(0, 0, 0, 0.3) 50%,
      transparent 100%
    ) !important;
  }
  .solution-card:hover .solution-desc,
  .solution-card:hover .solution-link {
    max-height: 0 !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    opacity: 0 !important;
    transform: translateY(20px) !important;
  }
  .solution-card:hover .solution-ghost-title {
    opacity: 1 !important;
  }

  /* 幽灵标题：默认态居中显示，展开后消失 */
  .solution-ghost-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    z-index: 4;
    white-space: normal;
    text-align: center;
    width: 80%;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .solution-card.is-active .solution-ghost-title {
    opacity: 0;
  }

  /* 内容块：默认在卡片下方不可见，展开后滑入居中 */
  .solution-content {
    position: absolute;
    top: 100% !important;
    bottom: auto !important;
    left: 0 !important;
    width: 100%;
    transform: translateY(0);
    display: flex;
    flex-direction: column;
    align-items: center !important;
    text-align: center !important;
    padding: 40px;
    z-index: 3;
    transition: 0s; /* 收起时瞬间消失 */
  }
  .solution-title {
    left: auto !important;
    transform: none !important;
    white-space: normal;
    font-size: 24px !important;
    opacity: 0;
    transition: opacity 0s; /* 收起时瞬间消失 */
    margin-bottom: 0;
  }
  .solution-overlay {
    transition: 0s; /* 收起时瞬间恢复 */
  }
  .solution-desc {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: 0s; /* 收起时瞬间消失 */
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
  }
  .solution-card .solution-link {
    display: inline-flex !important;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: 0s; /* 收起时瞬间消失 */
    padding: 0 20px;
    font-size: 13px;
    pointer-events: none;
  }

  /* 激活态：幽灵标题消失，内容块从下方滑入居中，蓝色渐变遮罩 */
  .solution-card.is-active .solution-content {
    top: 50% !important;
    transform: translateY(-50%);
    transition: top 0.4s cubic-bezier(0.25, 1, 0.3, 1), transform 0.4s cubic-bezier(0.25, 1, 0.3, 1);
  }
  .solution-card.is-active .solution-title {
    opacity: 1;
    transition: opacity 0.25s ease 0.15s; /* 展开时淡入，略延迟等内容滑到位 */
    margin-bottom: 20px;
  }
  .solution-card.is-active .solution-desc {
    max-height: 120px !important;
    margin-top: 0 !important;
    margin-bottom: 24px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: max-height 0.35s ease, opacity 0.35s ease, transform 0.35s ease, margin 0.35s ease, padding 0.35s ease;
  }
  .solution-card.is-active .solution-link {
    max-height: 44px !important;
    padding: 8px 20px !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: max-height 0.35s ease 0.05s, opacity 0.35s ease 0.05s, transform 0.35s ease 0.05s, margin 0.35s ease 0.05s, padding 0.35s ease 0.05s;
    pointer-events: auto !important;
  }
  .solution-card.is-active .solution-overlay {
    background: linear-gradient(
      to top,
      var(--color-primary-dark) 0%,
      rgba(0, 82, 217, 0.4) 60%,
      transparent 100%
    ) !important;
    transition: background 0.4s ease; /* 展开时渐变 */
  }
  /* 激活态下仍然抹掉 PC hover */
  .solution-card.is-active:hover .solution-overlay {
    background: linear-gradient(
      to top,
      var(--color-primary-dark) 0%,
      rgba(0, 82, 217, 0.4) 60%,
      transparent 100%
    ) !important;
  }
  .solution-card.is-active:hover .solution-desc {
    max-height: 120px !important;
    margin-bottom: 24px !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
  }
  .solution-card.is-active:hover .solution-link {
    max-height: 44px !important;
    padding: 8px 20px !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
  }
  .solution-card.is-active:hover .solution-ghost-title {
    opacity: 0 !important;
  }

  .clients-logos {
    grid-template-columns: repeat(4, 1fr);
  }

  /* 案例轮播 */
  .cases-carousel-container {
    width: 100vw;
    margin-top: var(--space-8);
  }
  .cases-carousel-wrapper {
    padding: var(--space-3) 12px;
  }
  .case-card {
    width: 300px;
    height: 420px;
  }
  .case-card-image {
    height: 200px;
  }
  .case-card-content {
    padding: var(--space-5) var(--space-4);
  }
  .case-card-title {
    font-size: var(--text-lg);
  }
  .case-card-desc {
    font-size: var(--text-sm);
  }
  .case-card .solution-link {
    display: inline-flex !important;
    padding: 8px 18px;
    font-size: var(--text-sm);
  }

  /* 关于页 - 优势交错网格 */
  .advantages-stagger-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .advantage-stagger-hero {
    height: 360px;
    padding: 32px 36px;
  }
  .advantage-stagger-hero h3 {
    font-size: 20px;
  }
  .advantage-stagger-hero p {
    font-size: 14px;
  }
  .advantages-stagger-right {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .advantage-stagger-card {
    padding: 24px;
  }
  .advantage-stagger-card h3 {
    font-size: 16px;
  }
  .advantage-stagger-card p {
    font-size: 13px;
  }
  .advantage-stagger-icon {
    width: 44px;
    height: 44px;
    font-size: 18px;
    margin-bottom: 10px;
  }

  /* 右侧小卡片：图标标题同行 */
  .advantages-stagger-right .advantage-stagger-card {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
  .advantages-stagger-right .advantage-stagger-icon {
    margin-bottom: 0;
    margin-right: 12px;
    flex-shrink: 0;
  }
  .advantages-stagger-right .advantage-stagger-card h3 {
    flex: 1;
    margin-bottom: 0;
  }
  .advantages-stagger-right .advantage-stagger-card p {
    flex-basis: 100%;
    margin-top: 10px;
  }

  /* 案例页筛选栏 */
  .cases-filter .container-fluid {
    padding: 0 24px !important;
  }
  .filter-wrapper {
    gap: 20px !important;
  }
  .filter-tags {
    flex-wrap: wrap;
    gap: 10px !important;
    justify-content: center !important;
  }
  .cases-main-section .container-fluid {
    padding: 0 24px !important;
  }
  .cases-filter {
    position: sticky;
    top: 60px;
    z-index: 10;
  }
  .filter-tag {
    padding: 6px 16px;
    font-size: 0.9rem;
  }
  /* 防止 filter 标签滚动时左右被截断 */
  .filter-wrapper {
    scroll-padding-inline: 12px;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
  /* 重置筛选按钮缩小匹配导航字体 */
  .filter-status-bar .btn {
    padding: 5px 14px !important;
    font-size: var(--text-sm) !important;
    border-radius: var(--radius-md) !important;
  }
  .page-btn,
  .page-arrow {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }
  /* 详情页侧边栏 */
  .detail-sidebar-card {
    padding: 20px;
  }
  .detail-sidebar-title {
    font-size: 16px;
    margin-bottom: 16px;
  }
  .detail-related-item {
    padding: 10px;
    gap: 10px;
  }
  .detail-related-thumb {
    width: 70px;
    height: 52px;
  }
  .detail-related-title {
    font-size: 13px;
  }
  .detail-qr-card {
    padding: 24px 20px;
  }
  .detail-qr-text {
    font-size: 13px;
    margin-bottom: 16px;
  }
  .detail-qr-image {
    max-width: 140px;
  }

  /* 详情页 Hero 图文区 */
  .sol-hero {
    overflow: visible !important;
    height: auto !important;
  }
  .sol-hero-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
  .sol-hero-text {
    min-width: 0;
  }
  /* 修复：PC 端二次 .sol-highlights 改为 display: grid，移动端必须强制回到 flex */
  .sol-highlights {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 16px !important;
  }
  .sol-highlight-item {
    width: 100% !important;
    max-width: 280px !important;
    padding: 16px 20px !important;
  }
  .sol-hero-content {
    max-width: 100% !important;
    padding: 0 24px;
  }
  .sol-hero-text {
    padding: 0;
    text-align: center;
  }
  .sol-hero-image {
    max-width: 400px;
    margin: 0 auto;
  }
  .sol-category {
    font-size: 13px;
  }
  .prod-section-subtitle {
    font-size: 15px;
  }

  /* 关于页荣誉证书 */
  .about-honors-section {
    padding: 60px 0;
  }
  .honors-image-wrapper {
    max-width: 100%;
  }
  .honors-image {
    max-width: 100%;
    height: auto;
  }
}

/* ---------- 768px 手机横屏 / 小平板 ---------- */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  /* 容器 */
  .container {
    padding: 0 16px;
  }

  /* 导航 */
  .mobile-nav-menu {
    width: 280px;
    right: -280px;
  }
  .mobile-nav-menu.is-open {
    right: 0;
  }

  /* Banner */
  .banner-section {
    height: 70vh;
  }
  .products-section {
    margin-top: 70vh;
  }
  .slide-title {
    font-size: 28px;
  }
  .slide-desc {
    font-size: 15px;
    line-height: 1.5;
  }
  .slide-content {
    padding-top: 60px;
  }
  .slider-controls {
    bottom: 60px;
  }

  /* ====== 产品卡片：768px 断点 ====== */
  .product-card {
    height: 390px !important;
  }
  .product-image {
    height: 200px !important;
  }
  .product-content {
    padding: 12px 12px !important;
  }
  .product-title {
    font-size: var(--text-base) !important;
  }
  .product-desc {
    font-size: var(--text-xs) !important;
  }

  /* 方案卡片 */
  .solutions-section .container {
    width: 100%;
    padding: 0 16px;
  }
  .solutions-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 16px;
  }
  .solution-card {
    flex: none;
    height: 300px;
    width: 100%;
  }

  /* 数据统计 */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 客户logo */
  .clients-logos {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 详情页 */
  .detail-container {
    padding: 20px 0 60px 0;
  }
  .detail-main {
    padding: 24px 20px;
    border-radius: 0;
  }
  .detail-title {
    font-size: 26px;
    margin-bottom: 16px;
  }
  .detail-meta {
    gap: 12px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    font-size: 14px;
  }
  .detail-meta-item {
    font-size: 14px;
  }
  .detail-content {
    font-size: 16px;
  }
  .detail-content h2 {
    font-size: 20px;
    margin-top: 28px;
    margin-bottom: 16px;
  }
  .detail-content h3 {
    font-size: 17px;
  }
  .detail-nav {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 40px;
    padding-top: 40px;
  }
  .detail-nav-item {
    padding: 12px;
  }
  /* 移动端重构：统一上下产品导航顺序为 [icon] [标签] [产品名] */
  .detail-nav-tip {
    font-size: 13px !important;
  }
  .detail-nav-title {
    font-size: 13px !important;
  }
  .detail-nav-next {
    justify-content: flex-start !important;
  }
  .detail-nav-next i {
    order: 1 !important;
    transform: rotate(180deg) !important;
  }
  .detail-nav-next .detail-nav-tip {
    order: 2 !important;
  }
  .detail-nav-next .detail-nav-text {
    order: 3 !important;
    text-align: right;
  }
  .detail-nav-next .detail-nav-title {
    text-align: right;
  }
  .detail-featured-image {
    margin-bottom: 24px;
    border-radius: 6px;
  }
  .detail-lead {
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
  .detail-pullquote {
    padding: 16px 20px;
    margin: 24px 0;
    font-size: 15px;
  }
  .detail-pullquote::before {
    font-size: 40px;
    top: 0;
    left: 6px;
  }
  .detail-highlight-box {
    padding: 16px 20px;
    margin: 20px 0;
  }
  .detail-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 24px 0;
  }
  .detail-stat-item {
    padding: 20px 12px;
  }
  .detail-stat-number {
    font-size: 26px;
  }
  .detail-inline-image {
    margin: 24px 0;
  }
  .detail-tags {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* 全局区域标题 */
  .section-title {
    font-size: 28px;
  }
  .section-subtitle {
    font-size: 16px;
  }
  .section-header {
    margin-bottom: 32px;
  }

  /* ====== 页脚：移动端完全重写，2列布局 ====== */
  .footer {
    padding: 32px 0 20px;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr !important;
    gap: 24px 20px !important;
    margin-bottom: 20px;
  }
  .link-group {
    min-width: 0;
  }
  /* 产品中心和解决方案左右交换，其余保持原位 */
  .link-group:nth-child(1) { order: 2; }
  .link-group:nth-child(2) { order: 1; }
  .link-group:nth-child(3) { order: 3; }
  .link-group:nth-child(4) { order: 4; }
  .link-title {
    font-size: var(--text-base) !important;
    margin-bottom: 10px !important;
    color: var(--color-white) !important;
  }
  .footer-links li {
    margin-bottom: 6px !important;
    font-size: var(--text-xs) !important;
  }
  .footer-links a {
    color: var(--color-gray-400) !important;
    text-decoration: none !important;
  }
  .footer-links i {
    width: 16px;
    margin-right: 4px;
    font-size: var(--text-xs);
  }
  .footer-bottom {
    flex-direction: column !important;
    align-items: center !important;
    gap: 6px;
    padding-top: 16px;
    font-size: var(--text-xs) !important;
  }

  /* ===== 侧边固定咨询（移动端重构） ===== */
  .sidebar-contact {
    top: 75%;
    bottom: auto;
    transform: none;
    right: 12px;
    gap: 8px;
  }
  .contact-item {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    font-size: 14px;
    /* 关闭所有 transition 避免点击时边缘闪光 */
    transition: none !important;
    /* 去掉浏览器默认矩形触摸高亮，用 is-active 替代 */
    -webkit-tap-highlight-color: transparent;
  }
  .contact-label {
    display: none;
  }
  .contact-popup {
    right: 56px;
    width: 150px;
    height: 160px;
    padding: 12px;
  }
  /* 彻底禁用移动端 hover —— 全部走 is-active 控制 */
  .sidebar-contact .contact-item:hover {
    background: #fff;
    color: inherit;
    transform: none;
    box-shadow: var(--shadow-md);
  }
  .sidebar-contact .contact-item:hover .contact-popup {
    opacity: 0;
    visibility: hidden;
  }
  /* 电话：点击变蓝 */
  .sidebar-contact .contact-item.phone.is-active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,82,217,0.3);
  }
  /* 微信：点击变绿 */
  .sidebar-contact .contact-item.qr-code.is-active {
    background: var(--color-success);
    color: #fff;
    box-shadow: 0 4px 12px rgba(82,196,26,0.3);
  }
  /* 回到顶部：无特殊点击态，保留默认样式 */

  /* 点击态弹出窗口（优先级需压过移动端 hover 覆盖） */
  .sidebar-contact .contact-item.is-active .contact-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
  }
  .qr-image {
    width: 100px;
    height: 100px;
  }
  .phone-number {
    font-size: 14px;
  }

  /* 关于页 */
  .about-video-banner {
    height: 360px;
  }
  .about-video-banner .hero-title {
    font-size: 2rem;
  }
  .about-video-banner .hero-subtitle {
    font-size: 1rem;
  }
  .video-static-bg {
    background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  }
  .about-intro-section,
  .about-achievements-section,
  .about-advantages-section,
  .about-timeline-section {
    padding: 60px 0;
  }
  .about-section-header {
    margin-bottom: 40px;
  }
  /* 关于我们：图文改为上下堆叠 */
  .about-intro-section .container {
    flex-direction: column;
    max-width: 100%;
    width: 100%;
  }
  .intro-text {
    flex: auto;
    width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
  }
  .intro-image {
    flex: auto;
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: auto;
  }
  .intro-image img {
    width: 100%;
    height: auto;
    display: block;
  }
  .intro-image-accent {
    bottom: 12px;
    left: 12px;
    padding: 10px 18px;
    border-radius: 8px;
  }
  .intro-image-num {
    font-size: 20px;
  }
  .intro-image-label {
    font-size: 11px;
  }
  .intro-products {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }
  .intro-product-item {
    padding: 8px 10px;
    font-size: 12px;
    justify-content: flex-start;
    text-align: left;
  }
  /* 数据成就 - 移动端卡片重构 */
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .achievement-item {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto auto;
    gap: 3px 14px;
    padding: 20px;
    align-items: stretch;
  }
  .achievement-icon {
    grid-column: 1;
    grid-row: 1 / 3;
    width: 52px;
    height: auto;
    min-height: 52px;
    border-radius: 14px;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .achievement-content {
    display: contents;
  }
  .achievement-num {
    grid-column: 2;
    grid-row: 1;
    font-size: 19px;
    line-height: 1;
  }
  .achievement-label {
    grid-column: 2;
    grid-row: 2;
    font-size: 14px;
    line-height: 1.3;
  }
  .achievement-desc {
    grid-column: 1 / -1;
    grid-row: 3;
    font-size: 13px;
    margin-top: 6px;
  }
  .achievement-item-text .achievement-num {
    font-size: 15px;
  }
  .achievement-item-text .achievement-label {
    font-size: 10px;
  }
  .achievement-item-text .achievement-desc {
    font-size: 12px;
  }
  .about-timeline-section .about-section-header {
    margin-bottom: 40px;
  }
  .timeline-h-wrapper {
    padding: 40px 0;
  }
  .timeline-h-wrapper::after {
    background: none;
  }
  .timeline-h-fade-left {
    display: none;
  }
  .timeline-h-item {
    width: 260px;
  }
  .timeline-h-card {
    text-align: center;
  }

  /* 方案Hero */
  .sol-hero {
    padding: 80px 0 60px;
  }
  .sol-hero-title {
    font-size: 24px;
  }
  .sol-hero-subtitle {
    font-size: 15px;
  }
  .sol-highlight-item {
    min-width: 120px;
    padding: 14px 20px;
  }
  .sol-highlight-number {
    font-size: 28px;
  }

  /* 产品优势 */
  .prod-advantages-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .prod-advantage-card {
    padding: 28px 20px;
  }
  .prod-section-title {
    font-size: 26px;
  }
  .prod-section-header {
    margin-bottom: 40px;
  }

  /* 架构图 */
  .sol-arch-container {
    gap: 16px;
  }
  .arch-nodes {
    flex-direction: column;
    gap: 8px;
  }
  .arch-node {
    width: 100%;
    text-align: center;
  }

  /* 列表页网格 */
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  #insights-list-container,
  .page-list-grid {
    grid-template-columns: 1fr !important;
  }

  #cases-list-container {
    grid-template-columns: 1fr !important;
  }

  /* 案例页地图缩小 */
  .sub-page-banner {
    height: 320px !important;
  }
  .sub-page-banner h1 {
    font-size: 2rem !important;
  }
  .sub-page-banner p {
    font-size: 1rem !important;
  }

  /* 筛选栏 */
  .news-filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }

  /* 洞察卡片 */
  .insight-card {
    min-height: auto;
    padding: 24px 20px;
  }
  .insight-card .insight-icon {
    font-size: 28px;
    margin-bottom: 12px;
  }

  /* 技术规格表格 */
  .tech-specs-table td {
    display: block;
    width: 100%;
    padding: 8px 0;
  }
  .tech-specs-table .spec-label {
    font-weight: 600;
    color: #1a1a1a;
  }

  /* 标题缩放 */
  h1 {
    font-size: var(--text-4xl);
  }
  h2 {
    font-size: var(--text-3xl);
  }
  .footer-content {
    grid-template-columns: 1fr;
  }

  .hidden-md {
    display: none !important;
  }
  :root {
    --space-28: 64px;
    --space-32: 80px;
  }

  /* 案例轮播 */
  .case-card {
    width: 260px;
    height: 360px;
  }
  .case-card-image {
    height: 160px;
  }
  .case-card-content {
    padding: var(--space-4) var(--space-3);
  }
  .case-card-title {
    font-size: var(--text-base);
  }
  .case-card-desc {
    font-size: var(--text-xs);
    -webkit-line-clamp: 3;
  }
  .case-card .solution-link {
    display: inline-flex !important;
    padding: 6px 14px;
    font-size: var(--text-xs);
  }

  /* 关于页 - 优势交错网格 */
  .advantage-stagger-hero {
    height: 300px;
    padding: 24px 28px;
  }
  .advantages-stagger-right {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .advantage-stagger-card {
    padding: 20px;
  }

  /* 案例页筛选栏 */
  .cases-filter .container-fluid {
    padding: 0 16px !important;
  }
  .filter-wrapper {
    flex-direction: column;
    gap: 12px !important;
  }
  .filter-status-bar {
    flex-direction: column;
    gap: 12px;
    align-items: center !important;
  }
  .cases-main-section .container-fluid {
    padding: 0 16px !important;
  }
  #cases-list-container {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* 详情页侧边栏 */
  .detail-sidebar-card {
    padding: 16px;
  }
  .detail-related-thumb {
    width: 60px;
    height: 44px;
  }
  .detail-qr-card {
    padding: 20px 16px;
  }

  /* Hero 图文区 */
  .sol-hero-content {
    padding: 0 16px;
  }
  .sol-hero-image {
    max-width: 320px;
  }
  .sol-category {
    font-size: 12px;
  }

  /* 关于页荣誉证书 */
  .about-honors-section {
    padding: 50px 0;
  }

  /* 架构图层 */
  .arch-layer {
    padding: 16px;
    border-radius: 8px;
  }
  .layer-badge {
    font-size: 12px;
    padding: 4px 10px;
  }
}

/* ---------- 576px 小手机 ---------- */
@media (max-width: 576px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 12px;
  }

  /* 导航侧栏更窄 */
  .mobile-nav-menu {
    width: 100%;
    right: -100%;
  }
  .mobile-nav-menu.is-open {
    right: 0;
  }

  /* Banner */
  .banner-section {
    height: 60vh;
  }
  .banner-slider {
    touch-action: none; /* 完全禁止浏览器默认手势，由 JS 接管滑动 */
  }
  .slide {
    background-image: var(--slide-image-mobile) !important; /* 移动端使用竖版图片 */
  }
  .banner-section .btn {
    transform: scale(0.8);
    transform-origin: center center;
  }
  .products-section {
    margin-top: 60vh;
  }
  .slide-title {
    font-size: 24px;
  }
  .slide-desc {
    font-size: 14px;
  }
  .slider-controls {
    bottom: 48px;
  }

  /* 客户logo */
  .clients-logos {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 详情页 */
  .detail-main {
    padding: 20px 16px;
  }
  .detail-title {
    font-size: 22px;
  }
  .detail-content h2 {
    font-size: 18px;
  }
  .detail-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  /* 侧边咨询隐藏(太小了) */
  .contact-popup {
    right: 48px;
    width: 140px;
    height: 150px;
    padding: 10px;
  }
  .qr-image {
    width: 90px;
    height: 90px;
  }
  .phone-number {
    font-size: 13px;
  }
  /* 确保小屏幕弹出框不溢出左侧 */
  .sidebar-contact {
    z-index: 2000;
  }

  /* 关于页 */
  .about-video-banner {
    height: 280px;
  }
  .about-video-banner .hero-title {
    font-size: 1.6rem;
  }
  .timeline-h-item {
    width: 160px;
  }
  .timeline-h-card {
    width: 148px;
    padding: 14px;
  }
  .timeline-h-card h4 {
    font-size: 14px;
  }
  .timeline-h-card p {
    font-size: 11px;
  }

  /* 方案Hero */
  .sol-hero {
    padding: 72px 0 50px;
  }
  .sol-hero-title {
    font-size: 20px;
  }
  .sol-hero-image {
    max-width: 260px;
    margin: 0 auto;
  }
  .sol-highlights {
    flex-direction: column;
    align-items: center;
  }
  .sol-highlight-item {
    width: 100%;
    max-width: 280px;
  }

  /* 全局区域标题 */
  .section-title {
    font-size: 24px;
  }

  /* 产品section标题 */
  .prod-section-title {
    font-size: 22px;
  }

  /* 页脚：768px 断点微调 */
  .footer-links {
    gap: 20px 16px !important;
  }

  /* 子页面 Banner */
  .sub-page-banner {
    height: 260px !important;
  }
  .sub-page-banner h1 {
    font-size: 1.6rem !important;
  }
  .sub-page-banner p {
    font-size: 0.9rem !important;
  }

  /* 面包屑 */
  .detail-breadcrumb {
    font-size: 13px;
    flex-wrap: wrap;
  }
  .sidebar-contact .contact-item.is-active .contact-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
  }

  .hidden-sm {
    display: none !important;
  }
  html {
    font-size: 14px;
  }

  /* 案例轮播 */
  .case-card {
    width: 280px;
    height: 340px;
  }
  .case-card-image {
    height: 150px;
  }
  .case-card-content {
    padding: var(--space-4) var(--space-3);
  }
  .case-card-title {
    font-size: var(--text-base);
  }
  .case-card-desc {
    font-size: var(--text-xs);
    -webkit-line-clamp: 2;
  }
  .cases-carousel-wrapper {
    padding: var(--space-2) 8px;
  }

  /* 关于页 - 优势交错网格 */
  .advantage-stagger-hero {
    height: 260px;
    padding: 20px 24px;
  }
  .advantage-stagger-hero h3 {
    font-size: 18px;
  }
  .advantage-stagger-card {
    padding: 16px 20px;
  }

  /* 案例页筛选栏 */
  .cases-filter .container-fluid {
    padding: 0 12px !important;
  }
  .filter-wrapper {
    gap: 8px !important;
  }
  .filter-tags {
    gap: 8px !important;
  }
  .cases-main-section .container-fluid {
    padding: 0 12px !important;
  }
  .filter-status-bar {
    padding: 12px 16px !important;
  }

  /* 详情页侧边栏 */
  .detail-sidebar-card {
    padding: 14px;
  }
  .detail-sidebar-title {
    font-size: 15px;
  }
  .detail-related-item {
    padding: 8px;
  }
  .detail-qr-card {
    padding: 16px 12px;
  }
  .detail-qr-text {
    font-size: 12px;
  }

  /* Hero 图文区 */
  .sol-hero-content {
    padding: 0 12px;
  }
  .sol-hero-image {
    max-width: 280px;
  }
}

/* ============================================ */
/* 各板块响应式适配 (从 styles.css 归拢) */
/* ============================================ */


@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 992px) {
    /* ===== 移动端搜索重构 ===== */
    .navbar.search-active .nav-brand,
    .navbar.search-active .search-toggle,
    .navbar.search-active .mobile-toggle {
        display: none !important;
    }
    /* 搜索栏铺满导航栏 */
    .navbar.search-active .navbar-search {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        transform: none;
        display: flex;
        align-items: center;
        padding: 0 16px;
        margin: 0;
        width: auto;
        max-width: none;
        background: var(--color-white);
        z-index: 10;
    }
    /* 下拉结果框：左右留缝隙，紧贴导航栏下沿 */
    .search-dropdown {
        position: absolute;
        left: 12px;
        right: 12px;
        top: 100%;
        border-radius: 0 0 8px 8px;
        margin: 0;
        box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    }
}

@media (max-width: 992px) {
  /* 最新动态：移动端统一卡片尺寸，与产品卡片一致 */
  .news-bento-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .large-card,
  .small-card {
    grid-column: span 1 !important;
    height: 390px !important;
    flex: none !important;
    flex-direction: column !important;
  }
  .small-card {
    flex-direction: column-reverse !important;
  }
  .news-bento-small-column {
    grid-column: span 1 !important;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: auto !important;
  }
  /* 所有卡片图片统一顶部显示 */
  .large-card .news-bento-image,
  .small-card .news-bento-image {
    width: 100% !important;
    height: 180px !important;
    flex-shrink: 0;
  }
  .news-bento-content {
    flex: 1;
    padding: var(--space-5) var(--space-4);
  }
  .news-bento-title {
    font-size: var(--text-lg) !important;
    -webkit-line-clamp: 2;
  }
  .news-bento-desc {
    font-size: var(--text-sm) !important;
    -webkit-line-clamp: 2;
    margin-bottom: var(--space-4);
  }
  /* 按钮可见 */
  .news-bento-card .solution-link {
    display: inline-flex !important;
    padding: 6px 14px;
    font-size: var(--text-xs);
  }
  /* 取消 PC 端 hover 效果 */
  .news-bento-card:hover {
    transform: none !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04) !important;
  }
  .news-bento-card:hover .news-bento-image img {
    transform: none !important;
  }
  .news-bento-card:hover .news-bento-title {
    color: var(--text-primary) !important;
  }
}

/* ---------- 行业观察列表页 ---------- */
/* 平板：2 列 */
@media (max-width: 992px) and (min-width: 641px) {
  #insights-list-container,
  .page-list-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
}

/* 手机：1 列 */
@media (max-width: 640px) {
  #insights-list-container,
  .page-list-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  /* 案例列表容器宽度对齐行业观察卡片 */
  #cases-list-container {
    padding-left: 19px !important;
    padding-right: 19px !important;
    min-height: 200px !important;
  }
  #no-data-hint {
    padding: 80px 0 !important;
    font-size: var(--text-sm) !important;
  }
}

/* 移动端卡片通用样式 */
@media (max-width: 992px) {
  .insight-list-item {
    min-height: auto !important;
  }
  .insight-list-item .solution-link {
    display: inline-flex !important;
    padding: 6px 16px;
    font-size: var(--text-xs);
  }
}

@media (max-width: 768px) {
  .large-card,
  .small-card {
    height: 390px !important;
  }
  .large-card .news-bento-image,
  .small-card .news-bento-image {
    height: 200px !important;
  }
  .news-bento-title {
    font-size: var(--text-base) !important;
  }
  .news-bento-desc {
    font-size: var(--text-xs) !important;
    -webkit-line-clamp: 2;
  }
  .news-bento-card .solution-link {
    padding: 5px 12px;
    font-size: var(--text-xs);
  }
}



@media (max-width: 1200px) {
    .inquiry-brand-card {
        padding: 35px 40px;
    }

    .brand-name {
        font-size: 1.1rem;
    }
}

@media (max-width: 992px) {
    .inquiry-contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .brand-grid {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    .brand-item {
        max-width: 100%;
    }

    .brand-content {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .brand-role {
        font-size: 1.18rem;
    }

    .brand-role i {
        font-size: 1.18rem;
    }

    .brand-name {
        font-size: 1.18rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .about-inquiry-section {
        padding: 60px 0;
    }

    .inquiry-brand-card {
        padding: 30px;
    }

    .contact-card {
        padding: 25px;
    }

    .contact-details .main-value {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .about-video-banner { height: 600px; }
    .about-video-banner .hero-title { font-size: 2.5rem; }

    /* 公司简介 */
    .intro-two-col { flex-direction: column; gap: 40px; }
    .intro-image { flex: auto; width: 100%; max-width: 100%; height: auto; }
    .intro-image img { width: 100%; height: auto; display: block; }

    /* 发展历程 */
    .timeline-h-item { width: 175px; }
    .timeline-h-card { width: 163px; padding: 16px; }
    .timeline-h-card h4 { font-size: 14px; }
    .timeline-h-card p { font-size: 11px; }
}

@media (max-width: 992px) {
  .article-layout {
    flex-direction: column;
  }

  .article-sidebar {
    width: 100% !important;
  }

  .article-main {
    padding: 30px !important;
  }
}

@media (max-width: 992px) {
  .news-mag-card {
    gap: 25px;
    padding: 20px;
  }
  .news-mag-img-box {
    width: 320px;
    height: 200px;
  }
  .news-mag-title {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  .news-magazine-wrapper {
    width: 100%;
  }
  .news-mag-card {
    flex-direction: column;
    padding: 0;
    min-height: auto;
  }
  .news-mag-img-box {
    width: 100%;
    height: 150px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    min-height: auto;
  }
  .news-mag-content {
    padding: 14px 16px;
  }
  .news-mag-meta {
    margin-bottom: 6px;
    font-size: 12px;
  }
  .news-mag-title {
    font-size: 15px;
    margin-bottom: 6px;
  }
  .news-mag-desc {
    font-size: 12px;
    margin-bottom: 12px;
    -webkit-line-clamp: 2;
  }
  .news-mag-card .solution-link {
    display: inline-flex !important;
    padding: 5px 14px;
    font-size: var(--text-xs);
  }
}

@media (max-width: 992px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-sidebar {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    display: grid;
  }

  .detail-featured-image {
    border-radius: 8px;
    margin-bottom: 32px;
  }

  .detail-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 移动端重构：统一上下产品导航顺序为 [icon] [标签] [产品名] */
  .detail-nav-tip {
    font-size: 13px !important;
  }
  .detail-nav-title {
    font-size: 13px !important;
  }
  .detail-nav-next {
    justify-content: flex-start !important;
  }
  .detail-nav-next i {
    order: 1 !important;
    transform: rotate(180deg) !important;
  }
  .detail-nav-next .detail-nav-tip {
    order: 2 !important;
  }
  .detail-nav-next .detail-nav-text {
    order: 3 !important;
    text-align: right;
  }
  .detail-nav-next .detail-nav-title {
    text-align: right;
  }
}

@media (max-width: 768px) {
  .detail-container {
    padding: 24px 0 80px 0;
  }

  .detail-main {
    padding: 32px 24px;
    border-radius: 0;
  }

  .detail-header {
    margin-bottom: 32px;
  }

  .detail-title {
    font-size: 28px;
    margin-bottom: 20px;
  }

  .detail-meta {
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 24px;
  }

  .detail-content h2 {
    font-size: 20px;
  }

  .detail-content h3 {
    font-size: 18px;
  }

  .detail-nav {
    grid-template-columns: 1fr;
  }

  .detail-featured-image {
    border-radius: 6px;
    margin-bottom: 28px;
  }

  .detail-lead {
    font-size: 17px;
    margin-bottom: 22px;
    padding-bottom: 22px;
  }

  .detail-pullquote {
    padding: 20px 24px;
    margin: 28px 0;
    font-size: 16px;
  }

  .detail-pullquote::before {
    font-size: 48px;
    top: 2px;
    left: 8px;
  }

  .detail-highlight-box {
    padding: 18px 22px;
    margin: 24px 0;
  }

  .detail-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 28px 0;
  }

  .detail-stat-item {
    padding: 24px 16px;
  }

  .detail-stat-number {
    font-size: 28px;
  }

  .detail-inline-image {
    margin: 28px 0;
  }
}

@media (min-width: 1200px) {
  .prod-advantages-grid {
    /* 移除之前的 3 列锁定，让 auto-fit 发挥作用 */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 992px) {
  .sol-hero-grid {
    grid-template-columns: 1fr !important;
  }

  .prod-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}