/* ============================================================
 * 移动端样式优化 - Mobile Optimization
 * 优化方向:
 * 1. 安全区域适配 (iPhone X+ 刘海屏)
 * 2. 抽屉式侧边栏 + 毛玻璃遮罩
 * 3. 数据表格横向滚动优化 (sticky header)
 * 4. 触摸目标 ≥ 44px
 * 5. 表单单列布局优化
 * 6. 弹窗底部抽屉化
 * 7. 视觉层级与动效
 * ============================================================ */
/*
 * ⚠️ 样式管控规范（强制）：本文件为移动端全局样式，严禁随意新增样式。
 * 如需添加新样式，必须先征得项目负责人同意；优先复用现有类名，避免重复定义。
 */

/* 底部导航栏 - 桌面端隐藏 */
.mobile-bottom-nav {
    display: none !important;
}

/* ============================================================
 * 0. 全局基础 - 安全区域 & 触摸优化
 * ============================================================ */
@media (max-width: 768px) {
    /* 移动端隐藏 AI 助手悬浮球，改由底部导航入口呼出 */
    .ai-order-fab { display: none !important; }

    :root {
        --safe-top: env(safe-area-inset-top, 0px);
        --safe-bottom: env(safe-area-inset-bottom, 0px);
        --safe-left: env(safe-area-inset-left, 0px);
        --safe-right: env(safe-area-inset-right, 0px);
    }

    html {
        -webkit-text-size-adjust: 100%;
        -webkit-tap-highlight-color: transparent;
    }

    body {
        overscroll-behavior-y: contain;
        -webkit-font-smoothing: antialiased;
    }

    /* 防止 iOS 输入框缩放 (字号 >= 16px) */
    input, select, textarea {
        font-size: 16px !important;
    }

    /* 移除移动端点击高亮 */
    a, button, .btn, .menu-item, .nav-link {
        -webkit-tap-highlight-color: transparent;
    }

    /* 按钮点击反馈 */
    .btn:active,
    .menu-item:active,
    .nav-link:active,
    button:active {
        transform: scale(0.97);
        opacity: 0.85;
    }

    /* ============================================================
     * 1. 登录页面优化
     * ============================================================ */
    .login-container {
        padding: calc(10px + var(--safe-top, 0px)) 10px calc(10px + var(--safe-bottom, 0px)) !important;
        align-items: center !important;
        justify-content: center !important;
        min-height: 100vh !important;
        min-height: 100dvh !important;
    }

    .login-box {
        padding: 28px 20px 24px !important;
        max-width: 100% !important;
        border-radius: 16px !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important;
    }

    .form-actions {
        flex-direction: column !important;
        gap: 10px !important;
        align-items: stretch !important;
    }

    .form-actions.single {
        justify-content: stretch !important;
    }

    .form-actions.social-login {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .form-actions.social-login .login-btn,
    .login-btn {
        width: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 14px 16px !important;
        min-height: 48px !important;
        box-sizing: border-box !important;
        position: relative !important;
        z-index: 1 !important;
        border-radius: 10px !important;
        font-size: 15px !important;
        font-weight: 500 !important;
    }

    .login-btn svg {
        margin-right: 8px !important;
    }

    .form-group {
        margin-bottom: 18px !important;
    }

    .form-input {
        height: 48px !important;
        font-size: 16px !important;
        padding: 0 48px 0 44px !important;
        border-radius: 10px !important;
    }

    /* ============================================================
     * 2. 主布局 & 侧边栏抽屉
     * ============================================================ */
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
        padding-top: calc(56px + var(--safe-top, 0px)) !important;
        padding-bottom: calc(60px + var(--safe-bottom, 0px)) !important; /* 底部导航高度 */
    }

    .page-content {
        padding: 0 !important;
        padding-bottom: calc(0px + var(--safe-bottom, 0px)) !important;
    }

    /* 侧边栏抽屉 */
    .sidebar {
        position: fixed !important;
        z-index: 9999 !important;
        width: 280px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        height: 100dvh !important;
        top: 0 !important;
        left: 0 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15) !important;
    }

    .sidebar.mobile-open {
        transform: translateX(0) !important;
    }

    /* 侧边栏遮罩 - 毛玻璃效果 */
    .sidebar-overlay {
        display: none !important;
    }

    .sidebar-overlay.show {
        display: block !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        height: 100dvh !important;
        background: rgba(0, 0, 0, 0.45) !important;
        backdrop-filter: blur(4px) !important;
        -webkit-backdrop-filter: blur(4px) !important;
        z-index: 9998 !important;
        animation: fadeIn 0.3s ease !important;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* === 移动端侧边栏菜单优化 === */
    .sidebar-menu {
        padding: 8px 10px calc(20px + var(--safe-bottom, 0px)) !important;
        -webkit-overflow-scrolling: touch;
    }

    /* 确保移动端显示菜单文字 */
    .sidebar .menu-item span:not(.menu-icon),
    .sidebar .menu-group-title span:not(.menu-icon) {
        display: inline !important;
        opacity: 1 !important;
        visibility: visible !important;
        white-space: nowrap !important;
    }

    .sidebar .menu-text {
        display: inline !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* 覆盖折叠状态的居中布局 */
    .sidebar.collapsed .menu-item {
        justify-content: flex-start !important;
        padding: 12px 16px !important;
        display: flex !important;
    }

    .sidebar.collapsed .menu-icon {
        margin-right: 12px !important;
    }

    .sidebar.collapsed .menu-group-title {
        justify-content: flex-start !important;
        padding: 12px 16px !important;
    }

    .sidebar.collapsed .menu-group-title .arrow {
        display: inline !important;
        margin-left: auto !important;
    }

    .sidebar.collapsed .menu-group-children {
        display: none !important;
        position: static !important;
        left: auto !important;
        top: auto !important;
        min-width: auto !important;
        padding: 4px 0 8px !important;
        background: transparent !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        margin-left: 14px !important;
        border-left: 2px solid rgba(255, 255, 255, 0.08) !important;
        max-height: none !important;
        overflow-y: visible !important;
    }

    .sidebar.collapsed .menu-group-children.expanded {
        display: block !important;
    }

    .sidebar.collapsed .menu-group-children .menu-item {
        justify-content: flex-start !important;
        padding: 10px 16px 10px 20px !important;
        display: flex !important;
    }

    /* 一级菜单项 - 加大点击区域 */
    .sidebar-menu .menu-item {
        padding: 12px 14px !important;
        margin: 2px 0 !important;
        font-size: 15px !important;
        min-height: 46px !important;
        border-radius: 10px !important;
        gap: 12px !important;
        box-sizing: border-box;
        transition: background 0.15s ease !important;
    }

    .sidebar-menu .menu-item:hover,
    .sidebar-menu .menu-item:active {
        background: rgba(196, 154, 74, 0.18);
        transform: none;
    }

    .sidebar-menu .menu-item.active {
        background: linear-gradient(90deg, rgba(196, 154, 74, 0.3) 0%, rgba(196, 154, 74, 0.12) 100%);
        font-weight: 500;
    }

    .sidebar-menu .menu-item.active::before {
        height: 22px !important;
        width: 4px !important;
        left: -10px !important;
        border-radius: 0 4px 4px 0 !important;
    }

    /* 菜单图标 */
    .sidebar-menu .menu-icon {
        font-size: 18px !important;
        width: 22px !important;
        opacity: 1 !important;
    }

    /* 菜单分组 */
    .sidebar-menu .menu-group {
        margin-top: 4px !important;
    }

    .sidebar-menu .menu-group-title {
        padding: 12px 14px !important;
        margin-top: 12px !important;
        margin-bottom: 2px !important;
        font-size: 14px !important;
        font-weight: 600 !important;
        gap: 12px !important;
        border-radius: 10px !important;
        min-height: 44px !important;
        box-sizing: border-box;
        display: flex !important;
        align-items: center !important;
    }

    .sidebar-menu .menu-group-title:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .sidebar-menu .menu-group-title .menu-icon {
        font-size: 16px !important;
        opacity: 0.9 !important;
    }

    .sidebar-menu .menu-group-title .arrow {
        font-size: 10px !important;
        margin-left: auto !important;
    }

    /* 子菜单 */
    .sidebar-menu .menu-group-children {
        padding: 4px 0 8px !important;
        margin-left: 14px !important;
        border-left: 2px solid rgba(255, 255, 255, 0.08) !important;
    }

    .sidebar-menu .menu-group-children .menu-item {
        padding: 10px 14px 10px 18px !important;
        font-size: 15px !important;
        margin: 1px 0 !important;
        min-height: 42px !important;
        border-radius: 0 10px 10px 0 !important;
    }

    .sidebar-menu .menu-group-children .menu-item.active::before {
        left: -16px !important;
    }

    /* 侧边栏头部 */
    .sidebar-header {
        height: 56px !important;
        padding: 0 16px !important;
        font-size: 17px !important;
        padding-top: var(--safe-top, 0px) !important;
        min-height: calc(56px + var(--safe-top, 0px)) !important;
    }

    /* 侧边栏搜索 */
    .sidebar-search {
        margin: 8px 12px !important;
    }

    .sidebar-search input {
        height: 40px !important;
        font-size: 14px !important;
    }

    /* 侧边栏底部 */
    .sidebar-footer {
        padding: 12px 16px !important;
        padding-bottom: calc(12px + var(--safe-bottom, 0px)) !important;
    }

    /* ============================================================
     * 3. 顶部导航栏
     * ============================================================ */
    .header {
        padding: 0 10px !important;
        left: 0 !important;
        height: 56px !important;
        padding-top: var(--safe-top, 0px) !important;
        padding-left: calc(10px + var(--safe-left, 0px)) !important;
        padding-right: calc(10px + var(--safe-right, 0px)) !important;
    }

    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border: none;
        background: transparent;
        color: var(--text-primary, #333);
        cursor: pointer;
        border-radius: 10px;
        margin-right: 6px;
        flex-shrink: 0;
        transition: background 0.15s ease;
    }

    .mobile-menu-btn:hover {
        background: rgba(0, 0, 0, 0.06);
    }

    .mobile-menu-btn:active {
        background: rgba(0, 0, 0, 0.1);
        transform: scale(0.92);
    }

    /* 顶部标签页 - 移动端优化 */
    .header .nav-tabs {
        max-width: none !important;
        flex: 1 !important;
        padding: 0 6px !important;
    }

    .header .nav-tabs li a {
        padding: 8px 10px !important;
        font-size: 13px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
    }

    /* 隐藏桌面端专用元素 */
    .navbar-custom-menu .hidden-xs {
        display: none !important;
    }

    /* 用户信息 - 移动端只显示头像 */
    .user-menu > a > span:not(.avatar-img):not(.avatar-placeholder) {
        display: none !important;
    }

    .navbar-nav > li > a {
        padding: 6px !important;
        width: 36px !important;
        height: 36px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    /* 通知徽章 */
    #notificationBadge {
        font-size: 9px !important;
        min-width: 16px !important;
        height: 16px !important;
    }

    /* ============================================================
     * 4. 数据表格 - 横向滚动优化
     * ============================================================ */
    .table-responsive,
    .data-table-wrapper,
    .table-container,
    .data-table-container,
    .cust-table-wrapper {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        margin: 0 -12px;
        padding: 0 12px;
        scrollbar-width: thin;
    }

    /* 表格整体优化 */
    .cust-table,
    .table {
        font-size: 13px !important;
        min-width: 600px;
    }

    .cust-table thead th,
    .table thead th {
        padding: 10px 10px !important;
        font-size: 12px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 1 !important;
        white-space: nowrap !important;
    }

    .cust-table tbody td,
    .table tbody td {
        padding: 10px 10px !important;
        white-space: nowrap !important;
    }

    /* 表格操作按钮优化 */
    .table .btn + .btn {
        margin-left: 4px !important;
    }

    .action-buttons,
    .table-actions {
        display: flex;
        flex-wrap: nowrap;
        gap: 4px;
    }

    /* ============================================================
     * 5. 表单优化
     * ============================================================ */
    .form-row,
    .form-inline .form-group {
        flex-direction: column !important;
        display: block !important;
        margin-right: 0 !important;
    }

    .form-row > .form-group,
    .form-row > .col,
    .form-row > [class*="col-"] {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        width: 100% !important;
        margin-bottom: 12px;
    }

    .form-control {
        font-size: 16px !important;
        min-height: 44px !important;
        padding: 10px 12px !important;
        box-sizing: border-box;
        border-radius: 8px !important;
    }

    /* 输入框、选择框统一高度 */
    input[type="text"],
    input[type="number"],
    input[type="email"],
    input[type="password"],
    input[type="date"],
    input[type="datetime-local"],
    input[type="tel"],
    select,
    textarea {
        font-size: 16px !important;
        min-height: 44px !important;
        box-sizing: border-box;
        border-radius: 8px !important;
    }

    textarea {
        min-height: 80px !important;
        padding: 10px 12px !important;
    }

    /* ============================================================
     * 6. 按钮触摸友好化
     * ============================================================ */
    .btn {
        min-height: 40px !important;
        padding: 8px 16px !important;
        font-size: 14px !important;
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        border-radius: 8px !important;
        transition: transform 0.1s ease, opacity 0.1s ease !important;
    }

    .btn-primary,
    .btn-success,
    .btn-danger,
    .btn-warning,
    .btn-info {
        min-height: 44px !important;
        padding: 10px 20px !important;
        font-size: 14px !important;
        font-weight: 500 !important;
    }

    .btn-group .btn {
        padding: 6px 12px !important;
        font-size: 13px !important;
        min-height: 36px !important;
    }

    .btn-group-vertical-mobile .btn {
        display: block;
        width: 100%;
    }

    /* ============================================================
     * 7. 弹窗 - 底部抽屉化
     * ============================================================ */
    .modal-dialog {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        height: 100% !important;
        height: 100dvh !important;
        display: flex !important;
        align-items: flex-end !important;
    }

    .modal-content {
        height: auto !important;
        max-height: 92vh !important;
        max-height: 92dvh !important;
        border-radius: 16px 16px 0 0 !important;
        display: flex !important;
        flex-direction: column !important;
        animation: slideUp 0.3s cubic-bezier(0.32, 0.72, 0, 1) !important;
    }

    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    .modal-header {
        padding: 14px 16px !important;
        border-bottom: 1px solid var(--border-color, #e5e7eb) !important;
        position: sticky !important;
        top: 0 !important;
        background: var(--bg-light, #fff) !important;
        z-index: 2 !important;
        border-radius: 16px 16px 0 0 !important;
    }

    .modal-body {
        max-height: none !important;
        flex: 1 !important;
        overflow-y: auto !important;
        padding: 16px !important;
        -webkit-overflow-scrolling: touch !important;
    }

    .modal-footer {
        padding: 12px 16px !important;
        padding-bottom: calc(12px + var(--safe-bottom, 0px)) !important;
        border-top: 1px solid var(--border-color, #e5e7eb) !important;
        position: sticky !important;
        bottom: 0 !important;
        background: var(--bg-light, #fff) !important;
        z-index: 2 !important;
    }

    /* ============================================================
     * 8. 卡片 & 面板
     * ============================================================ */
    .card-deck,
    .card-columns {
        display: block !important;
    }

    .card-deck .card,
    .card {
        margin-bottom: 12px;
    }

    .content-box,
    .card,
    .panel,
    .box {
        border-radius: 12px !important;
        overflow: hidden;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
    }

    .box-header,
    .card-header,
    .panel-heading {
        padding: 14px 16px !important;
    }

    .box-body,
    .card-body,
    .panel-body {
        padding: 14px 16px !important;
    }

    /* ============================================================
     * 9. 仪表盘优化
     * ============================================================ */
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }

    .dashboard-stats {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .stat-card {
        margin-bottom: 0 !important;
        border-radius: 12px !important;
        padding: 14px !important;
    }

    /* KPI卡片网格优化 */
    .kpi-grid,
    .kpi-cards,
    .summary-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .kpi-card,
    .summary-card {
        padding: 14px !important;
        margin-bottom: 0 !important;
        border-radius: 12px !important;
    }

    /* === 工作台首页移动端优化 === */
    .erp-dashboard-wrap {
        padding: 0 !important;
        margin: 0 -8px !important; /* 抵消 .content 的 10px 内边距，两侧各留 2px 留白 */
        padding-bottom: calc(70px + var(--safe-bottom, 0px)) !important;
    }

    /* 欢迎横幅 */
    .erp-welcome-banner {
        padding: 18px 18px !important;
        margin-bottom: 14px !important;
        border-radius: 14px !important;
    }

    .erp-banner-content {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 14px !important;
    }

    .erp-banner-right {
        text-align: left !important;
        width: 100% !important;
        padding-top: 12px !important;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }

    .erp-banner-greeting {
        font-size: 18px !important;
    }

    .erp-banner-date {
        font-size: 18px !important;
    }

    .erp-banner-avatar {
        width: 46px !important;
        height: 46px !important;
        font-size: 18px !important;
    }

    /* 统计卡片网格 - 移动端2列 */
    .erp-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin-bottom: 14px !important;
    }

    .erp-stat-card {
        grid-column: span 1 !important;
        padding: 14px 16px !important;
        border-radius: 12px !important;
    }

    .erp-stat-card .erp-stat-icon {
        width: 38px !important;
        height: 38px !important;
        font-size: 16px !important;
    }

    .erp-stat-card .erp-stat-value {
        font-size: 20px !important;
        font-weight: 600 !important;
    }

    .erp-stat-card .erp-stat-label {
        font-size: 12px !important;
    }

    .erp-stat-card .erp-stat-sub {
        font-size: 11px !important;
    }

    /* 底部卡片网格 - 移动端1列 */
    .erp-bottom-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .erp-bottom-card {
        grid-column: span 1 !important;
        border-radius: 12px !important;
    }

    .erp-card-header {
        padding: 14px 16px !important;
    }

    .erp-card-header-icon {
        width: 32px !important;
        height: 32px !important;
        font-size: 14px !important;
    }

    .erp-card-title {
        font-size: 15px !important;
    }

    .erp-card-body {
        padding: 0 !important;
    }

    /* 日历卡片移动端优化 */
    #dashCalendarCard {
        padding: 0 !important;
    }

    /* 财务图表卡片 */
    #financeOverview {
        min-height: 200px !important;
    }

    .erp-bottom-card table {
        font-size: 12px !important;
    }

    .erp-bottom-card th,
    .erp-bottom-card td {
        padding: 6px 8px !important;
    }

    /* ============================================================
     * 10. 页面标题 & 工具栏
     * ============================================================ */
    .page-header,
    .box-header-row,
    .content-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }

    .page-header h3,
    .box-title,
    .content-header h1 {
        margin: 0 !important;
        font-size: 18px !important;
    }

    .toolbar {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }

    .toolbar .btn {
        width: 100%;
    }

    /* 筛选区/工具栏优化 */
    .filter-section,
    .filter-row,
    .search-section,
    .search-bar,
    .filter-bar {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .filter-item,
    .search-item,
    .search-bar .form-group,
    .filter-bar > * {
        width: 100% !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
    }

    /* ============================================================
     * 11. 分页优化（适配 components.js 的 renderPagination 结构）
     * ============================================================ */
    .cust-pagination {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 10px !important;
        padding: 14px 10px !important;
        padding-bottom: calc(14px + var(--safe-bottom, 0px)) !important;
    }

    /* 内层 flex 容器 - 允许换行 */
    .cust-pagination > div {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 6px !important;
        width: 100% !important;
    }

    /* 信息文字 "共 X 条记录，第 Y/Z 页" - 独占一行居中 */
    .cust-pagination > div > span:first-child {
        width: 100% !important;
        text-align: center !important;
        margin-right: 0 !important;
        margin-bottom: 4px !important;
        font-size: 12px !important;
        color: var(--text-secondary, #6b7280) !important;
    }

    /* 分页按钮 - 触摸目标 40px */
    .cust-pagination .btn-sm {
        min-height: 40px !important;
        min-width: 40px !important;
        padding: 6px 12px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        line-height: 1 !important;
    }

    .cust-pagination .btn-sm[disabled] {
        opacity: 0.4 !important;
        cursor: not-allowed !important;
    }

    .cust-pagination .btn-primary {
        background: var(--primary-color, #c49a4a) !important;
        border-color: var(--primary-color, #c49a4a) !important;
        color: #fff !important;
        font-weight: 600 !important;
    }

    /* 省略号 */
    .cust-pagination > div > span:not(:first-child) {
        padding: 0 4px !important;
        color: #999 !important;
        font-size: 14px !important;
    }

    /* 每页显示条数选择器 - 换行到下方 */
    .cust-pagination > div > div:last-child {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 6px !important;
        justify-content: center !important;
        display: flex !important;
        align-items: center !important;
        gap: 8px !important;
    }

    .cust-pagination > div > div:last-child span {
        font-size: 12px !important;
        color: var(--text-secondary, #6b7280) !important;
    }

    .cust-pagination select {
        width: 70px !important;
        height: 36px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
    }

    /* ============================================================
     * 12. 标签 & 徽章
     * ============================================================ */
    .badge,
    .label {
        padding: 4px 10px !important;
        font-size: 11px !important;
        border-radius: 6px !important;
    }

    /* ============================================================
     * 13. 图表容器
     * ============================================================ */
    .chart-container,
    [class*="chart"] {
        width: 100% !important;
        max-width: 100% !important;
    }

    .chart-container canvas,
    [class*="chart"] canvas {
        max-width: 100% !important;
    }

    /* ============================================================
     * 14. 下拉菜单
     * ============================================================ */
    .dropdown-menu {
        max-width: calc(100vw - 20px);
        right: 10px !important;
        left: auto !important;
    }

    /* ============================================================
     * 15. Tab 标签页
     * ============================================================ */
    .nav-tabs {
        overflow-x: auto;
        flex-wrap: nowrap !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-tabs::-webkit-scrollbar {
        display: none;
    }

    .nav-tabs .nav-link {
        white-space: nowrap;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* ============================================================
     * 16. 移动端底部导航栏
     * ============================================================ */
    .mobile-bottom-nav {
        display: flex !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: calc(56px + var(--safe-bottom, 0px)) !important;
        padding-bottom: var(--safe-bottom, 0px) !important;
        background: rgba(255, 255, 255, 0.92) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border-top: 1px solid rgba(0, 0, 0, 0.08) !important;
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06) !important;
        z-index: 1000 !important;
    }

    #mobileBottomNavItems {
        display: flex !important;
        width: 100% !important;
        height: 100% !important;
        justify-content: space-around !important;
        align-items: stretch !important;
    }

    .mbn-item {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 3px !important;
        background: transparent !important;
        border: none !important;
        color: var(--text-tertiary, #8D8E8E) !important;
        font-size: 11px !important;
        cursor: pointer !important;
        padding: 6px 4px !important;
        min-height: 48px !important;
        transition: color 0.2s ease, transform 0.15s ease !important;
        -webkit-tap-highlight-color: transparent;
        position: relative;
    }

    .mbn-item svg {
        width: 22px;
        height: 22px;
    }

    .mbn-item i.fa-solid,
    .mbn-item i.fa {
        font-size: 20px;
        width: 22px;
        height: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mbn-item .mbn-emoji-icon {
        font-size: 20px;
        width: 22px;
        height: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }

    .mbn-item:active {
        transform: scale(0.9);
    }

    .mbn-item.active {
        color: var(--primary-color, #c49a4a) !important;
    }

    .mbn-item.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 3px;
        background: var(--primary-color, #c49a4a);
        border-radius: 0 0 3px 3px;
    }

    /* 深色主题适配 */
    [data-theme="dark"] .mobile-bottom-nav,
    body[arco-theme="dark"] .mobile-bottom-nav {
        background: rgba(35, 35, 36, 0.92) !important;
        border-top-color: rgba(255, 255, 255, 0.08) !important;
    }

    /* ============================================================
     * 17. 图片预览
     * ============================================================ */
    .img-preview-viewport {
        padding-top: var(--safe-top, 0px) !important;
    }
}

/* ============================================================
 * 小屏幕 (≤ 480px) 进一步优化
 * ============================================================ */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr !important;
    }

    .kpi-grid,
    .kpi-cards,
    .summary-cards {
        grid-template-columns: 1fr !important;
    }

    .table th,
    .table td {
        padding: 6px 8px;
        font-size: 13px;
    }

    .btn {
        padding: 8px 14px !important;
        font-size: 13px !important;
        min-height: 40px !important;
    }

    .btn-primary,
    .btn-success,
    .btn-danger,
    .btn-warning,
    .btn-info {
        min-height: 44px !important;
        padding: 10px 16px !important;
        font-size: 14px !important;
    }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }

    .page-content {
        padding: 0 !important;
    }

    .main-content {
        padding-top: calc(52px + var(--safe-top, 0px)) !important;
    }

    .btn-group {
        display: flex;
        flex-wrap: wrap;
    }

    .btn-group .btn {
        flex: 1 1 auto;
        min-height: 38px !important;
    }

    .sidebar {
        width: 85vw !important;
        max-width: 300px;
    }

    /* 工作台 - 统计卡片1列 */
    .erp-stats-grid {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }

    .erp-stat-card {
        padding: 12px 14px !important;
    }

    .erp-stat-card .erp-stat-value {
        font-size: 18px !important;
    }

    .erp-welcome-banner {
        padding: 16px !important;
    }

    .erp-banner-greeting {
        font-size: 16px !important;
    }

    .erp-bottom-card {
        border-radius: 10px !important;
    }

    .erp-card-header {
        padding: 12px 14px !important;
    }

    .erp-card-body {
        padding: 0 !important;
    }

    .sidebar-menu .menu-item {
        padding: 11px 12px !important;
        font-size: 15px !important;
        min-height: 44px !important;
    }

    .sidebar-menu .menu-icon {
        font-size: 17px !important;
        width: 20px !important;
    }

    .sidebar-menu .menu-group-title {
        padding: 11px 12px !important;
        font-size: 14px !important;
        min-height: 42px !important;
    }

    .sidebar-menu .menu-group-children .menu-item {
        padding: 9px 12px 9px 16px !important;
        font-size: 15px !important;
        min-height: 40px !important;
    }

    /* 小屏幕表格更紧凑 */
    .cust-table,
    .table {
        font-size: 12px !important;
        min-width: 560px;
    }

    .cust-table thead th,
    .table thead th,
    .cust-table tbody td,
    .table tbody td {
        padding: 8px 8px !important;
    }
}

/* ============================================================
 * 12. 状态页签 / 汇总栏 通用移动端样式（订单/生产/退货共用）
 * ============================================================ */
@media (max-width: 768px) {
    /* 移动端筛选折叠头部（通用） */
    .cust-filter-mobile-toggle {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 12px 14px;
        background: #fff;
        border: 1px solid #e2e8f0;
        border-radius: 10px;
        font-size: 14px;
        font-weight: 600;
        color: #1e293b;
        cursor: pointer;
        margin: 8px 0;
        -webkit-tap-highlight-color: transparent;
        transition: background 0.15s;
    }
    .cust-filter-mobile-toggle:active { background: #f8fafc; }
    .cust-filter-mobile-toggle i { color: #b58a3d; }
    .cust-filter-mobile-toggle .fa-chevron-down {
        transition: transform 0.2s;
        font-size: 12px;
        color: #94a3b8;
    }
    .cust-filter-mobile-toggle.open .fa-chevron-down { transform: rotate(180deg); }
    .collapsed { display: none !important; }

    /* KPI 看板 - 2列网格紧凑 */
    .cust-kpi-section { padding: 10px !important; margin: 0 0 10px !important; }
    .cust-kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    .cust-kpi-card {
        padding: 10px !important;
        border-radius: 10px !important;
    }
    .cust-kpi-card .cust-kpi-value { font-size: 18px !important; }
    .cust-kpi-card .cust-kpi-label { font-size: 11.5px !important; }
    .cust-kpi-card .cust-kpi-sub { font-size: 10.5px !important; }

    /* 卡片视图 - 单列布局 */
    .cust-card-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 10px !important;
        padding: 10px !important;
    }
    .cust-card {
        padding: 12px !important;
        border-radius: 12px !important;
    }
    .cust-card .btn-sm {
        height: 32px !important;
        padding: 4px 10px !important;
        font-size: 12px !important;
    }

    /* 状态页签横向滚动 */
    .cust-tabs,
    .erp-tabs-wrap {
        display: flex !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 4px !important;
        padding: 4px !important;
        white-space: nowrap !important;
    }
    .cust-tabs::-webkit-scrollbar,
    .erp-tabs-wrap::-webkit-scrollbar { display: none; }
    .cust-tab,
    .erp-tab {
        flex-shrink: 0 !important;
        padding: 8px 14px !important;
        font-size: 13px !important;
        min-height: 36px;
        border-radius: 8px !important;
    }

    /* 底部汇总栏卡片化 */
    .erp-summary-bar {
        padding: 12px 12px !important;
        border-radius: 10px !important;
        margin: 10px !important;
        background: #fff !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: 0 1px 3px rgba(0,0,0,0.04) !important;
    }
    .erp-summary-inner {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
    }
    .erp-summary-tabs {
        width: 100% !important;
        display: flex !important;
        border-radius: 8px !important;
        padding: 3px !important;
        background: #f1f5f9 !important;
    }
    .erp-summary-tab {
        flex: 1 !important;
        text-align: center !important;
        padding: 7px 0 !important;
        font-size: 12.5px !important;
        border-radius: 6px !important;
    }
    .erp-summary-tab.active {
        background: #b58a3d !important;
        color: #fff !important;
        font-weight: 600 !important;
    }
    .erp-summary-items {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 10px 8px !important;
        flex: none !important;
    }
    .erp-summary-item {
        background: #f8fafc !important;
        border: 1px solid #eef2f7 !important;
        border-radius: 8px !important;
        padding: 8px 10px !important;
        text-align: center !important;
        gap: 3px !important;
    }
    .erp-summary-item .s-label {
        font-size: 10.5px !important;
        color: #94a3b8 !important;
    }
    .erp-summary-item .s-value {
        font-size: 13px !important;
        font-weight: 700 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
}

@media (max-width: 480px) {
    .erp-summary-items { grid-template-columns: repeat(2, 1fr) !important; }
    .erp-summary-item .s-value { font-size: 12px !important; }
    .erp-summary-item .s-label { font-size: 10px !important; }
}

/* ============================================================
 * 13. 生产管理模块移动端优化
 * ============================================================ */
@media (max-width: 768px) {
    /* 页面标题区 - 紧凑 */
    .prod-page-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 10px 12px !important;
    }
    .prod-page-header h2 { font-size: 18px !important; }
    .prod-page-header .prod-header-actions {
        flex-wrap: wrap !important;
        gap: 6px !important;
    }

    /* 工具按钮 - 触摸目标 42px */
    .prod-tool-btn {
        height: 42px !important;
        padding: 0 14px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
    }
    .prod-tool-btn.primary {
        height: 44px !important;
        font-weight: 600 !important;
    }

    /* 筛选栏 */
    .prod-filter-bar { padding: 10px !important; gap: 8px !important; }
    .prod-filter-main {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    .prod-filter-item {
        flex: 1 1 100% !important;
        min-width: 0 !important;
    }
    .prod-filter-item label { font-size: 12px !important; margin-bottom: 4px !important; }
    .prod-filter-item input,
    .prod-filter-item select {
        height: 42px !important;
        font-size: 15px !important;
        border-radius: 8px !important;
    }
    .prod-filter-actions {
        flex-wrap: wrap !important;
        gap: 8px !important;
        width: 100% !important;
        justify-content: flex-end !important;
    }
    .prod-filter-actions .prod-tool-btn { flex: 1 1 auto; min-width: 80px; }

    /* 高级筛选 */
    .prod-filter-advanced-row {
        flex-direction: column !important;
        gap: 8px !important;
    }

    /* 工具栏 */
    .prod-toolbar {
        padding: 8px 10px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    .prod-toolbar-left { width: 100% !important; font-size: 12px !important; }
    .prod-toolbar-right {
        gap: 6px !important;
        flex-wrap: wrap !important;
        justify-content: flex-end !important;
    }
    .prod-view-toggle { gap: 2px !important; }
    .prod-view-btn {
        width: 36px !important;
        height: 36px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    /* 表格 */
    .prod-table-wrap {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px !important;
    }
    .prod-erp-table { min-width: 800px !important; font-size: 12px !important; }
    .prod-erp-table thead th { position: sticky; top: 0; z-index: 2; }
    .prod-erp-table tbody td { padding: 8px 10px !important; white-space: nowrap !important; }

    /* 趋势图卡片 */
    .prod-chart-card { margin: 10px !important; }
    .prod-chart-header { padding: 10px 12px !important; flex-wrap: wrap !important; gap: 8px !important; }
    .prod-chart-title { font-size: 13px !important; }
    .prod-chart-container { height: 200px !important; }

    /* 底部栏 */
    .prod-footer-bar {
        flex-direction: column !important;
        gap: 8px !important;
        padding: 12px !important;
    }

}

/* ============================================================
 * 14. 退货管理模块移动端优化
 * ============================================================ */
@media (max-width: 768px) {
    /* 趋势图卡片 */
    .ret-trend-wrap { margin: 10px !important; }
    .ret-trend-header {
        padding: 10px 12px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    .ret-trend-stats {
        width: 100% !important;
        justify-content: space-around !important;
        gap: 8px !important;
        font-size: 12px !important;
    }
    .ret-trend-body { padding: 8px 10px !important; }
    .ret-trend-legend { flex-wrap: wrap !important; gap: 8px !important; }

    /* 批量操作栏 - 纵向 */
    .ret-batch-bar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
        padding: 10px !important;
    }
    .ret-batch-bar .btn-group {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
    }
    .ret-batch-bar .btn {
        height: 40px !important;
        padding: 6px 12px !important;
        font-size: 12.5px !important;
        flex: 1 1 auto !important;
        min-width: 90px !important;
    }
    .ret-batch-bar .selected-count {
        text-align: center !important;
        font-size: 13px !important;
    }

    /* 扩展行详情 */
    .ret-detail-expand { padding: 10px 12px !important; }
    .ret-detail-items-table { font-size: 11.5px !important; }
    .ret-detail-items-table th,
    .ret-detail-items-table td { padding: 5px 6px !important; }
}