/**
 * 移动端响应式层（≤767px）
 * 基于现有桌面端布局，统一：解除 1280 锁宽、网格单列、触控按钮放大。
 * 加载于 sections.css 之后，覆盖过渡期注释掉的各页 @media 规则。
 */

@media screen and (max-width: 767px),
       screen and (max-device-width: 767px) {

  /* ========== 1. 布局解锁 ========== */
  html {
    overflow-x: hidden;
  }

  body {
    min-width: 0 !important;
    overflow-x: hidden;
  }

  .navbar,
  .navbar-fixed-top {
    min-width: 0 !important;
  }

  .container,
  .container-fluid {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    box-sizing: border-box;
  }

  .section-container,
  .banner .section-container {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    box-sizing: border-box;
  }

  .section-block {
    padding-left: 0;
    padding-right: 0;
  }

  /* ========== 2. 网格 → 单列 ========== */
  .fc-card-grid,
  .core-demands-cards,
  .fc-sticky-scroll-cards,
  .challenges-grid,
  .challenges-cards,
  .products-grid,
  .targets-grid,
  .metrics-grid,
  .promise-items,
  .core-value-cards,
  .section1-row-2,
  .section1-row-3,
  .section2-stats,
  .section4-cards,
  .section5-cards,
  .logo-wall-page.logo-wall-grid,
  #sections-root [class$="-grid"],
  #sections-root [class*="-cards"]:not(.cards-carousel-track):not(.fc-case-track),
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* flex 多列行 → 纵向堆叠 */
  .banner-buttons,
  .fc-footer-lead-buttons,
  .media-list,
  .fc-case-card,
  .fc-squeeze-track,
  .fc-case-media,
  .fc-sticky-scroll-body,
  .section2-stats,
  .section1-cards,
  .section2-cards,
  .section5-cards,
  .demo-menu-layout{
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .fc-case-carousel-track, .fc-tab-media-desc-list{
    width: 100% !important;
  }

  .banner-buttons {
    min-width: 0 !important;
    gap: 12px !important;
    margin-top: 24px !important;
  }
  .fc-tab-media-text{
    flex: 0 0 100% !important;
    max-width: 100%;
  }
  .fc-footer-lead-buttons {
    gap: 12px !important;
  }

  /* 挤压轮播：移动端纵向堆叠 + 点击展开/收缩 */
  .fc-squeeze-viewport {
    overflow-x: hidden !important;
  }

  .fc-squeeze-track {
    gap: 12px !important;
  }

  .fc-squeeze-card {
    width: 100% !important;
    height: auto !important;
    min-height: 96px;
    padding: 20px !important;
    transition: min-height 0.35s ease, filter 0.35s ease;
  }

  .fc-squeeze-card.is-expanded {
    min-height: 320px !important;
  }

  .fc-squeeze-card:not(.is-expanded):hover .fc-squeeze-img {
    transform: none;
  }

  #zh .scheme-menu-flat, #hk .scheme-menu-flat, #en .scheme-menu-flat{
    grid-template-columns: auto;
  }
  /* ========== 3. FilezComponents / sections 组件 ========== */
  .fc-card,
  .demand-card {
    padding: 20px;
    border-radius: 16px;
  }

  .media-list-tabs-bar {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
  }

  .media-list-tab-text {
    font-size: 16px;
  }

  .media-list-content-area {
    gap: 24px !important;
  }

  .media-list-text-panel,
  .media-list-media-panel {
    max-width: 100% !important;
  }

  .media-list-content-title {
    font-size: 18px;
  }

  .media-list-content-desc {
    font-size: 14px;
  }

  .fc-case-card {
    flex: 0 0 auto !important;
    min-width: 0 !important;
    max-width: 100% !important;
    padding: 20px !important;
    gap: 20px !important;
  }

  .fc-case-media {
    flex: none !important;
    width: 100% !important;
    min-height: 200px;
  }

  .fc-case-content {
    padding: 0;
  }

  .fc-case-title {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .fc-case-desc {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .fc-case-controls-top {
    position: static;
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
  }

  .section-block:has(.fc-case-carousel-v2) .section-title,
  .section-block:has(.fc-case-carousel-v2) .section-desc {
    padding-right: 0;
    text-align: center;
  }

  .fc-footer-lead-cta {
    padding: 40px 0px;
    border-radius: 16px;
    width: 100% !important;
  }

  .fc-footer-lead-inner{
    padding: 0 10px;
  }
  .fc-footer-lead-cta .fc-footer-lead-title {
    font-size: 26px;
  }

  .fc-footer-lead-cta .fc-footer-lead-desc {
    font-size: 15px;
  }

  .fc-sticky-scroll-inner {
    padding: 40px 16px;
    gap: 24px;
  }

  .fc-sticky-scroll-header-title {
    font-size: 28px;
  }

  .fc-sticky-scroll-nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .fc-sticky-scroll-content-col {
    padding-right: 0;
  }

  /* ========== 4. 触控按钮（最小 44px 点击区） ========== */
  .home-btn,
  .home-btn.small,
  .main-btn,
  .normal-btn,
  .fc-footer-lead-btn,
  .fc-footer-lead-btn-main-btn,
  .fc-footer-lead-btn-normal-btn,
  .fc-case-btn,
  .fc-squeeze-btn,
  .fc-header-cta,
  .navbar .btn,
  .btn-login,
  .btn-download,
  .btn-enter,
  .btn-getmore,
  .btn-query,
  .btn-more,
  .submit_button,
  a.main-btn,
  a.normal-btn,
  button.main-btn,
  button.normal-btn {
    min-height: 44px !important;
    min-width: 44px;
    padding: 12px 20px !important;
    font-size: 16px !important;
    line-height: 1.25 !important;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }

  .main-btn.login-btn {
    height: auto !important;
    min-height: 44px !important;
  }

  .normal-btn .normal-btn-text,
  .fc-footer-lead-btn-normal-btn .normal-btn-text {
    font-size: 16px !important;
  }

  .banner-buttons .main-btn,
  .banner-buttons .normal-btn,
  .fc-footer-lead-buttons .fc-footer-lead-btn,
  .fc-footer-lead-buttons .main-btn,
  .fc-footer-lead-buttons .normal-btn {
    width: 100% !important;
    justify-content: center;
  }

  .fc-footer-lead-btn {
    justify-content: center;
  }

  .fc-case-btn {
    width: 44px !important;
    height: 44px !important;
    padding: 0 !important;
  }

  /* ========== 5. 标题与间距 ========== */
  .section-title,
  .banner .section-title {
    font-size: 28px !important;
    line-height: 1.3 !important;
  }

  .section-desc,
  .banner .section-desc {
    font-size: 15px !important;
    max-width: 100% !important;
  }

  .intro-section {
    padding: 48px 0 32px;
  }

  .intro-section .section-title {
    font-size: 28px;
  }

  /* ========== 6. 移动端导航（胶囊顶栏 + 全屏手风琴） ========== */
  #en .mobile-nav-phone {
    display: none !important;
  }

  .mobile-nav-backdrop {
    display: none !important;
  }

  .mobile-nav-actions {
    display: flex !important;
    align-items: center;
    gap: 24px;
    margin-left: auto;
    flex-shrink: 0;
  }

  .mobile-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    background: transparent;
    color: #101C2F;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    flex-shrink: 0;
  }

  .mobile-nav-toggle .icon-close {
    display: none;
  }

  #navbar.mobile-nav-open .mobile-nav-toggle .icon-menu {
    display: none;
  }

  #navbar.mobile-nav-open .mobile-nav-toggle .icon-close {
    display: block;
  }

  #navbar.mobile-nav-open .mobile-nav-phone,
  #navbar.mobile-nav-open .mobile-nav-lang {
    display: none;
  }

  .navbar-fixed-top {
    top: 12px !important;
    padding: 0 ;
    border-radius: 16px;
    z-index: 1003;
  }

  #navbar.mobile-nav-open.navbar-fixed-top {
    top: 0 !important;
    padding: 0;
  }

  .navbar .container {
    position: relative;
    width: 100% !important;
    max-width: 100% !important;
    height: 48px;
    margin: 0 !important;
    padding: 0 16px !important;
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  }

  #navbar.mobile-nav-open .container {
    border-radius: 0;
    box-shadow: none;
    border-left: none;
    border-right: none;
  }

  .navbar-brand {
    margin-left: 0 !important;
  }

  .navbar-brand .logo {
    height: 20px;
    width: auto;
  }

  .navbar-collapse.collapse,
  .navbar-right-container {
    display: none !important;
  }

  .mobile-nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
  }

  .mobile-nav-backdrop.is-visible {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  body.mobile-nav-body-lock {
    overflow: hidden;
  }

  .mobile-nav-drawer {
    display: none;
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1002;
    background: #fff;
    background-image: radial-gradient(ellipse 80% 50% at 70% 40%, rgba(147, 112, 219, 0.08) 0%, transparent 60%),
      radial-gradient(ellipse 60% 40% at 30% 60%, rgba(10, 100, 250, 0.06) 0%, transparent 55%);
    overflow: hidden;
  }

  #navbar.mobile-nav-open .mobile-nav-drawer {
    display: flex;
    flex-direction: column;
  }

  .mobile-nav-panel {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-nav-panel--l2[hidden] {
    display: none !important;
  }

  .mobile-nav-panel--l1[hidden] {
    display: none !important;
  }

  .mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mobile-nav-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  }

  .mobile-nav-item-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
  }

  .mobile-nav-item-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .mobile-nav-item-primary,
  .mobile-nav-item-en {
    font-size: 18px;
    font-weight: 600;
    line-height: 26px;
    color: #101C2F;
  }

  .mobile-nav-item--link .mobile-nav-item-btn {
    cursor: pointer;
  }

  .mobile-nav-item-cn {
    display: none;
  }

  .mobile-nav-chevron {
    flex-shrink: 0;
    color: #101C2F;
  }

  .mobile-nav-back {
    display: flex;
    align-items: center;
    gap: 4px;
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: #fff;
    font-size: 16px;
    font-weight: 500;
    color: #101C2F;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    position: sticky;
    top: 0;
    z-index: 2;
  }

  .mobile-nav-back svg {
    color: #101C2F;
  }

  .mobile-nav-subcontent {
    padding: 8px 0 32px;
  }

  /* 二级菜单：方案 */
  .mobile-nav-subcontent .scheme-menu-flat {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
  }

  .mobile-nav-subcontent .scheme-col {
    padding: 0 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  }

  .mobile-nav-subcontent .scheme-col-head {
    display: block;
    padding: 20px 0 8px;
  }

  .mobile-nav-subcontent .scheme-col-icon {
    display: none;
  }

  .mobile-nav-subcontent .scheme-col-title {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    line-height: 24px;
  }

  .mobile-nav-subcontent .scheme-col-divider {
    display: none;
  }

  .mobile-nav-subcontent .scheme-col-items {
    padding: 0 0 16px;
  }

  .mobile-nav-subcontent .scheme-col::before {
    display: none;
  }

  .mobile-nav-subcontent .scheme-item {
    display: block;
    padding: 10px 0;
    text-decoration: none;
  }

  .mobile-nav-subcontent .scheme-item-desc {
    display: none;
  }

  .mobile-nav-subcontent .scheme-item-title {
    font-size: 15px;
    font-weight: 400;
    line-height: 22px;
    color: #003366;
  }

  .mobile-nav-subcontent .scheme-footer,
  .mobile-nav-subcontent .mega-panel-footer {
    display: none;
  }

  /* 二级菜单：产品 / 行业 */
  .mobile-nav-subcontent .product-grid,
  .mobile-nav-subcontent .resource-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 20px;
  }

  .mobile-nav-subcontent .product-item,
  .mobile-nav-subcontent .resource-item,
  .mobile-nav-subcontent .demo-item--nav {
    display: block;
    min-width: 0;
    padding: 12px 0;
    border-bottom: none;
    text-decoration: none;
  }

  .mobile-nav-subcontent .product-icon,
  .mobile-nav-subcontent .demo-icon,
  .mobile-nav-subcontent .resource-icon {
    display: none;
  }

  .mobile-nav-subcontent .product-info,
  .mobile-nav-subcontent .demo-info,
  .mobile-nav-subcontent .resource-info {
    gap: 0;
  }

  .mobile-nav-subcontent .product-desc,
  .mobile-nav-subcontent .demo-desc,
  .mobile-nav-subcontent .resource-desc {
    display: none;
  }

  .mobile-nav-subcontent .product-title,
  .mobile-nav-subcontent .demo-title,
  .mobile-nav-subcontent .resource-title {
    font-size: 15px;
    font-weight: 400;
    line-height: 22px;
    color: #003366;
  }

  /* 二级菜单：演示 */
  .mobile-nav-subcontent .demo-menu-layout {
    flex-direction: column;
    gap: 0;
  }

  .mobile-nav-subcontent .demo-menu-left {
    padding: 0 20px;
  }

  .mobile-nav-subcontent .demo-menu-right {
    padding: 0 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
  }

  .mobile-nav-subcontent .demo-doc-header {
    display: block;
    padding: 20px 0 12px;
    text-decoration: none;
  }

  .mobile-nav-subcontent .demo-doc-header-icon {
    display: none;
  }

  .mobile-nav-subcontent .demo-doc-header-title {
    font-size: 16px;
    font-weight: 600;
    color: #101C2F;
  }

  .mobile-nav-subcontent .demo-doc-header-subtitle {
    display: none;
  }

  .mobile-nav-subcontent .demo-doc-cols {
    flex-direction: column;
    gap: 0;
  }

  .mobile-nav-subcontent .demo-doc-col-title {
    padding: 16px 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: #101C2F;
  }

  .mobile-nav-subcontent .demo-doc-item {
    display: block;
    padding: 10px 0;
    text-decoration: none;
  }

  .mobile-nav-subcontent .demo-doc-item-desc {
    display: none;
  }

  .mobile-nav-subcontent .demo-doc-item-title {
    font-size: 15px;
    font-weight: 400;
    color: #0A64FA;
  }

  /* 移动端语言下拉（复用 header 菜单） */
  #headerLangMenu.mobile-lang-open {
    position: fixed;
    top: 52px;
    right: 16px;
    left: auto;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    z-index: 1004;
  }

  /* 桌面 mega 面板在移动端隐藏（由 drawer 承载） */
  .mega-menu-container {
    display: none !important;
  }

  .banner-mode-full .banner-right,
  .banner-right {
    width: 100%;
    min-height: 100%;
    padding-top: 120px;
  }

  .banner-right .banner-img {
    position: relative;
    width: 100%;
  }

  .banner-left {
    width: 100%;
  }

  #banner::after {
    bottom: -2%;
    height: 10%;
  }

  .banner-layout {
    flex-direction: column-reverse;
    padding: 0;
  }

  /* ========== 7. 53 客服：自定义悬浮按钮 + 全屏会话层 ========== */
  .mobile-kf-float {
    display: flex !important;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: 16px;
    bottom: 48px;
    width: 56px;
    height: 56px;
    border-radius: 100px;
    background: linear-gradient(147deg, #2dd4bf -98%, #002e93 39%, #f43f5e 173%), linear-gradient(136deg, #2dd4bf -9%, #2563eb 57%, #f43f5e 122%), linear-gradient(141deg, #2dd4bf -25%, #2dd4bf -25%, #316ef3 76%, #f43f5e 140%), #FFFFFF;
    box-shadow: 0px 6px 8px -4px rgba(25, 54, 63, 0.15), 0px 2px 4px -4px rgba(25, 54, 63, 0.15);
    z-index: 1000;
    cursor: pointer;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
  }

  body.mobile-nav-body-lock .mobile-kf-float {
    display: none !important;
  }

  /* 隐藏 53 原生图标，保留 DOM 供 SDK 初始化（勿 display:none） */
  #mobile_icon_div,
  .lim_float_icon {
    visibility: hidden !important;
    pointer-events: none !important;
    position: fixed !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    z-index: -1 !important;
  }

  /* 全屏会话 iframe 层必须可见 */
  #mini_chat,
  #iframe_mobile_chat,
  #iframe-close {
    visibility: visible !important;
    pointer-events: auto !important;
  }

  #mini_chat {
    z-index: 1000001 !important;
  }

  /* PC 自定义右侧工具栏在移动端隐藏 */
  .live-box-fixed {
    display: none !important;
  }
}

@media screen and (min-width: 768px) {
  .mobile-kf-float {
    display: none !important;
  }
}