优化布局和交互

src/App.tsx

@@ -35,6 +35,7 @@ import {
 } from './labelPrint';
 import { useIsMobile } from './hooks/useIsMobile';
 import { useUndoRedo } from './hooks/useUndoRedo';
+import { useElementClipboard } from './hooks/useElementClipboard';
 import { useAppDialog } from './components/AppDialog';
 import { AnchoredMenu } from './components/AnchoredMenu';
 import {
@@ -78,7 +79,7 @@ function fitTemplatePreviewSize(widthMm: number, heightMm: number) {
 }
 
 export default function App() {
-  const { showAlert, showConfirm } = useAppDialog();
+  const { showAlert, showConfirm, showToast } = useAppDialog();
 
   // --- 1. Templates Storage & Initial States ---
   const [templates, setTemplates] = useState<LabelTemplate[]>(() => {
@@ -249,6 +250,22 @@ export default function App() {
     [activeTemplate]
   );
 
+  const handleCopyElementsSuccess = useCallback(
+    (count: number) => {
+      showToast(`已复制 ${count} 个元素`, { variant: 'success' });
+    },
+    [showToast]
+  );
+
+  const elementClipboard = useElementClipboard({
+    template: activeTemplate ?? EMPTY_TEMPLATE_PLACEHOLDER,
+    onChange: handleDesignTemplateChange,
+    selectedElementIds,
+    onSelectElements: handleSelectElements,
+    onSelectTableCells: setSelectedTableCells,
+    onCopySuccess: handleCopyElementsSuccess,
+  });
+
   useEffect(() => {
     if (workflowStep !== 'template-design' || !activeTemplate?.id) return;
     const needReset =
@@ -1343,6 +1360,7 @@ export default function App() {
             onRedo={handleDesignRedo}
             onBack={() => setWorkflowStep('template-select')}
             onExport={() => openPrintView()}
+            elementClipboard={elementClipboard}
           />
         )}
 
@@ -1385,7 +1403,7 @@ export default function App() {
                 </button>
               </div>
               <span className="hidden md:inline text-[10px] text-[#666]">
-                Shift/Ctrl+点击多选
+                Shift/Ctrl+点击多选 · Ctrl+C/V 复制粘贴
               </span>
               <button
                 onClick={() => openPrintView()}
@@ -1405,6 +1423,7 @@ export default function App() {
                 onSelectElements={handleSelectElements}
                 selectedTableCells={selectedTableCells}
                 onSelectTableCells={setSelectedTableCells}
+                elementClipboard={elementClipboard}
               />
               <PropSidebar
                 template={activeTemplate}
@@ -1416,6 +1435,7 @@ export default function App() {
                 activeTab="element"
                 onChangeTab={() => { }}
                 paper={paper}
+                elementClipboard={elementClipboard}
               />
             </div>
           </div>

src/components/AppDialog.tsx

@@ -33,6 +33,7 @@ interface DialogRequest {
 interface AppDialogContextValue {
   showAlert: (message: string, options?: AlertOptions) => Promise<void>;
   showConfirm: (message: string, options?: ConfirmOptions) => Promise<boolean>;
+  showToast: (message: string, options?: { variant?: AppDialogVariant; duration?: number }) => void;
 }
 
 const AppDialogContext = createContext<AppDialogContextValue | null>(null);
@@ -147,8 +148,40 @@ function AppDialogModal({
   );
 }
 
+function AppToast({
+  message,
+  variant = 'success',
+  onDismiss,
+}: {
+  message: string;
+  variant: AppDialogVariant;
+  onDismiss: () => void;
+}) {
+  const meta = VARIANT_META[variant];
+
+  useEffect(() => {
+    const timer = window.setTimeout(onDismiss, 2000);
+    return () => window.clearTimeout(timer);
+  }, [onDismiss]);
+
+  return (
+    <div
+      className="fixed left-1/2 bottom-[max(1.25rem,env(safe-area-inset-bottom))] z-[10001] -translate-x-1/2 pointer-events-none"
+      role="status"
+      aria-live="polite"
+    >
+      <div className="flex items-center gap-2 px-4 py-2.5 rounded-xl shadow-lg border border-black/10 bg-[#2a2a2a] text-[#f0f0f0] text-[12px] font-medium max-w-[min(90vw,20rem)]">
+        <span className="shrink-0">{meta.icon}</span>
+        <span className="truncate">{message}</span>
+      </div>
+    </div>
+  );
+}
+
 export function AppDialogProvider({ children }: { children: React.ReactNode }) {
   const [dialog, setDialog] = useState<DialogRequest | null>(null);
+  const [toast, setToast] = useState<{ message: string; variant: AppDialogVariant } | null>(null);
+  const toastTimerRef = useRef<number | null>(null);
 
   const showAlert = useCallback((message: string, options?: AlertOptions) => {
     const variant = options?.variant ?? 'info';
@@ -180,6 +213,28 @@ export function AppDialogProvider({ children }: { children: React.ReactNode }) {
     });
   }, []);
 
+  const dismissToast = useCallback(() => {
+    if (toastTimerRef.current !== null) {
+      window.clearTimeout(toastTimerRef.current);
+      toastTimerRef.current = null;
+    }
+    setToast(null);
+  }, []);
+
+  const showToast = useCallback(
+    (message: string, options?: { variant?: AppDialogVariant; duration?: number }) => {
+      dismissToast();
+      const variant = options?.variant ?? 'success';
+      setToast({ message, variant });
+      const duration = options?.duration ?? 2000;
+      toastTimerRef.current = window.setTimeout(() => {
+        toastTimerRef.current = null;
+        setToast(null);
+      }, duration);
+    },
+    [dismissToast]
+  );
+
   const closeDialog = useCallback((confirmed: boolean) => {
     setDialog((current) => {
       current?.resolve(confirmed);
@@ -188,9 +243,12 @@ export function AppDialogProvider({ children }: { children: React.ReactNode }) {
   }, []);
 
   return (
-    <AppDialogContext.Provider value={{ showAlert, showConfirm }}>
+    <AppDialogContext.Provider value={{ showAlert, showConfirm, showToast }}>
       {children}
       {dialog && <AppDialogModal dialog={dialog} onClose={closeDialog} />}
+      {toast && (
+        <AppToast message={toast.message} variant={toast.variant} onDismiss={dismissToast} />
+      )}
     </AppDialogContext.Provider>
   );
 }

src/components/LabelDesigner.tsx

@@ -2,6 +2,7 @@ import React, { useState, useRef, useEffect, useCallback, useMemo } from 'react'
 import { createPortal } from 'react-dom';
 import { LabelTemplate, TemplateElement } from '../types';
 import { mmToPx, MM_TO_PX, shouldRenderElement } from '../utils';
+import type { ElementClipboardActions } from '../hooks/useElementClipboard';
 import {
   createDefaultTableElement,
   getTableColWidths,
@@ -18,6 +19,7 @@ import { CanvasLabelImage } from './CanvasLabelImage';
 import { ElementFloatPreview, renderElementFloatPreview } from './ElementFloatPreview';
 import { renderLabelToDataUrl } from '../labelRenderer';
 import { useAppDialog } from './AppDialog';
+import { MobileMainToolButtons, type MobileToolButtonItem } from './MobileMainToolButtons';
 import {
   ZoomIn,
   ZoomOut,
@@ -40,6 +42,10 @@ interface LabelDesignerProps {
   variant?: 'desktop' | 'mobile';
   /** 微调等场景下隐藏选区框与缩放手柄 */
   suppressSelectionChrome?: boolean;
+  elementClipboard?: Pick<
+    ElementClipboardActions,
+    'copySelectedElements' | 'pasteClipboardElements' | 'canCopy' | 'canPaste' | 'clipboardCount'
+  >;
 }
 
 type ActiveTool = 'move' | 'text' | 'barcode' | 'qrcode' | 'table';
@@ -212,6 +218,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
   onSelectTableCells,
   variant = 'desktop',
   suppressSelectionChrome = false,
+  elementClipboard,
 }) => {
   const { showConfirm } = useAppDialog();
   const selectedElementId = selectedElementIds[0] || null;
@@ -494,6 +501,17 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
         onSelectElements(template.elements.filter((el) => !el.locked).map((el) => el.id));
         return;
       }
+      if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'c') {
+        e.preventDefault();
+        elementClipboard?.copySelectedElements();
+        return;
+      }
+      if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'v') {
+        e.preventDefault();
+        elementClipboard?.pasteClipboardElements();
+        setActiveTool('move');
+        return;
+      }
       if (e.key === 'Delete' || e.key === 'Backspace') {
         e.preventDefault();
         void deleteSelectedElements();
@@ -539,6 +557,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     addElement,
     onSelectElements,
     deleteSelectedElements,
+    elementClipboard,
   ]);
 
   const clearInteractionCanvasState = useCallback(() => {
@@ -1430,6 +1449,28 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     { id: 'qrcode', icon: <QrCode className="w-[18px] h-[18px]" />, label: '二维码' },
   ];
 
+  const mobileToolItems = useMemo<MobileToolButtonItem[]>(
+    () => [
+      ...tools.map((tool) => ({
+        id: tool.id,
+        icon: tool.icon,
+        label: tool.label,
+        shortcut: tool.shortcut,
+        active: activeTool === tool.id,
+        onClick: () => handleToolClick(tool.id),
+      })),
+      {
+        id: 'image',
+        icon: <ImageIcon className="w-[18px] h-[18px]" />,
+        label: '图片',
+        active: false,
+        onClick: handleImageToolClick,
+      },
+    ],
+    // eslint-disable-next-line react-hooks/exhaustive-deps -- tools 为静态配置，随 activeTool 更新即可
+    [activeTool]
+  );
+
   const mainToolButtons = (
     <>
       {tools.map((tool) => (
@@ -1922,9 +1963,14 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
 
         {isMobileLayout ? (
           <div className="mobile-design-toolstrip">
-            <div className="mobile-design-toolstrip-tools">
+            <MobileMainToolButtons items={mobileToolItems} />
-              {mainToolButtons}
+            <input
-            </div>
+              ref={imageInputRef}
+              type="file"
+              accept="image/*"
+              className="hidden"
+              onChange={handleImageFile}
+            />
             {zoomControls}
           </div>
         ) : (
@@ -1952,7 +1998,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
                   )}
                   {activeTool === 'move' && (
                     <span className="text-[#888] hidden sm:inline">
-                      | 框选 · Shift/Ctrl+点选 · Ctrl+A 全选
+                      | 框选 · Shift/Ctrl+点选 · Ctrl+A 全选 · Ctrl+C/V 复制粘贴
                     </span>
                   )}
                 </>

src/components/MobileDesignView.tsx

@@ -2,6 +2,7 @@ import React, { useState } from 'react';
 import { ChevronLeft, Printer, Undo2, Redo2 } from 'lucide-react';
 import { LabelTemplate, PaperConfig } from '../types';
 import type { TableCellCoord } from '../tableUtils';
+import type { ElementClipboardActions } from '../hooks/useElementClipboard';
 import { LabelDesigner } from './LabelDesigner';
 import { PropSidebar, MobilePropModule } from './PropSidebar';
 
@@ -19,6 +20,7 @@ interface MobileDesignViewProps {
   onRedo: () => void;
   onBack: () => void;
   onExport: () => void;
+  elementClipboard: ElementClipboardActions;
 }
 
 export const MobileDesignView: React.FC<MobileDesignViewProps> = ({
@@ -35,6 +37,7 @@ export const MobileDesignView: React.FC<MobileDesignViewProps> = ({
   onRedo,
   onBack,
   onExport,
+  elementClipboard,
 }) => {
   const [mobileModule, setMobileModule] = useState<MobilePropModule>('properties');
 
@@ -90,6 +93,7 @@ export const MobileDesignView: React.FC<MobileDesignViewProps> = ({
           selectedTableCells={selectedTableCells}
           onSelectTableCells={onSelectTableCells}
           suppressSelectionChrome={mobileModule === 'nudge'}
+          elementClipboard={elementClipboard}
         />
       </div>
 
@@ -107,6 +111,7 @@ export const MobileDesignView: React.FC<MobileDesignViewProps> = ({
           paper={paper}
           mobileModule={mobileModule}
           onMobileModuleChange={setMobileModule}
+          elementClipboard={elementClipboard}
         />
       </div>
     </div>

src/components/MobileMainToolButtons.tsx

@@ -0,0 +1,123 @@
+import React, { useLayoutEffect, useMemo, useRef, useState } from 'react';
+import { MoreHorizontal } from 'lucide-react';
+import { AnchoredMenu } from './AnchoredMenu';
+
+const TOOL_BTN_SIZE_PX = 40;
+const TOOL_BTN_GAP_PX = 4;
+const TOOL_BTN_SLOT_PX = TOOL_BTN_SIZE_PX + TOOL_BTN_GAP_PX;
+
+export interface MobileToolButtonItem {
+  id: string;
+  icon: React.ReactNode;
+  label: string;
+  shortcut?: string;
+  active?: boolean;
+  onClick: () => void;
+}
+
+interface MobileMainToolButtonsProps {
+  items: MobileToolButtonItem[];
+}
+
+function computeVisibleCount(containerWidth: number, total: number): number {
+  if (total <= 0 || containerWidth <= 0) return total;
+  if (containerWidth >= total * TOOL_BTN_SLOT_PX) return total;
+  const withMore = Math.floor((containerWidth - TOOL_BTN_SLOT_PX) / TOOL_BTN_SLOT_PX);
+  return Math.max(1, Math.min(withMore, total - 1));
+}
+
+function reorderItemsForActive(items: MobileToolButtonItem[], visibleCount: number): MobileToolButtonItem[] {
+  if (visibleCount >= items.length) return items;
+  const activeIndex = items.findIndex((item) => item.active);
+  if (activeIndex < 0 || activeIndex < visibleCount) return items;
+  const next = [...items];
+  const [activeItem] = next.splice(activeIndex, 1);
+  next.splice(visibleCount - 1, 0, activeItem);
+  return next;
+}
+
+export const MobileMainToolButtons: React.FC<MobileMainToolButtonsProps> = ({ items }) => {
+  const containerRef = useRef<HTMLDivElement | null>(null);
+  const moreButtonRef = useRef<HTMLButtonElement | null>(null);
+  const [visibleCount, setVisibleCount] = useState(items.length);
+  const [moreOpen, setMoreOpen] = useState(false);
+
+  useLayoutEffect(() => {
+    const container = containerRef.current;
+    if (!container) return;
+
+    const measure = () => {
+      setVisibleCount(computeVisibleCount(container.clientWidth, items.length));
+    };
+
+    measure();
+    const observer = new ResizeObserver(measure);
+    observer.observe(container);
+    return () => observer.disconnect();
+  }, [items.length]);
+
+  const orderedItems = useMemo(
+    () => reorderItemsForActive(items, visibleCount),
+    [items, visibleCount]
+  );
+
+  const visibleItems = orderedItems.slice(0, visibleCount);
+  const overflowItems = orderedItems.slice(visibleCount);
+  const overflowHasActive = overflowItems.some((item) => item.active);
+
+  const renderToolButton = (item: MobileToolButtonItem) => (
+    <button
+      key={item.id}
+      type="button"
+      className={`ps-tool-btn mobile-design-tool-btn ${item.active ? 'active' : ''}`}
+      onClick={item.onClick}
+      title={`${item.label}${item.shortcut ? ` (${item.shortcut})` : ''}`}
+      aria-label={item.label}
+    >
+      {item.icon}
+    </button>
+  );
+
+  return (
+    <div ref={containerRef} className="mobile-design-toolstrip-tools">
+      {visibleItems.map((item) => renderToolButton(item))}
+      {overflowItems.length > 0 && (
+        <>
+          <button
+            ref={moreButtonRef}
+            type="button"
+            className={`ps-tool-btn mobile-design-tool-btn`}
+            onClick={() => setMoreOpen((open) => !open)}
+            title="更多工具"
+            aria-label="更多工具"
+            aria-expanded={moreOpen}
+          >
+            <MoreHorizontal className="w-[18px] h-[18px]" />
+          </button>
+          <AnchoredMenu
+            open={moreOpen}
+            onClose={() => setMoreOpen(false)}
+            anchorRef={moreButtonRef}
+            className="mobile-toolstrip-overflow-menu"
+          >
+            {overflowItems.map((item) => (
+              <button
+                key={item.id}
+                type="button"
+                role="menuitem"
+                className={`mobile-toolstrip-overflow-menu-item${item.active ? ' active' : ''}`}
+                onClick={() => {
+                  item.onClick();
+                  setMoreOpen(false);
+                }}
+              >
+                <span className="mobile-toolstrip-overflow-menu-icon">{item.icon}</span>
+                <span>{item.label}</span>
+              </button>
+            ))}
+          </AnchoredMenu>
+        </>
+      )}
+    </div>
+  );
+};

src/components/PropSidebar.tsx

@@ -25,6 +25,7 @@ import { FieldSelect } from './PsSelect';
 import { CommitInput } from './CommitInput';
 import { useAppDialog } from './AppDialog';
 import { useIsNarrowScreen } from '../hooks/useIsMobile';
+import type { ElementClipboardActions } from '../hooks/useElementClipboard';
 import {
   TablePropertyFields,
   TableCellContentFields,
@@ -53,6 +54,8 @@ import {
   Move,
   Layers,
   Trash2,
+  Copy,
+  ClipboardPaste,
   AlignHorizontalJustifyStart,
   AlignHorizontalJustifyCenter,
   AlignHorizontalJustifyEnd,
@@ -180,6 +183,7 @@ interface PropSidebarProps {
   variant?: 'desktop' | 'mobile';
   mobileModule?: MobilePropModule;
   onMobileModuleChange?: (module: MobilePropModule) => void;
+  elementClipboard?: ElementClipboardActions;
 }
 
 const MOBILE_PROP_MODULES: { id: MobilePropModule; label: string; icon: React.ReactNode }[] = [
@@ -202,6 +206,7 @@ export const PropSidebar: React.FC<PropSidebarProps> = ({
   variant = 'desktop',
   mobileModule: mobileModuleProp,
   onMobileModuleChange,
+  elementClipboard,
 }) => {
   const { showConfirm } = useAppDialog();
   const isNarrowScreen = useIsNarrowScreen();
@@ -2307,6 +2312,29 @@ export const PropSidebar: React.FC<PropSidebarProps> = ({
             </button>
           ))}
           <div className="mobile-design-props-nav-spacer" aria-hidden />
+          {elementClipboard?.canPaste && (
+            <button
+              type="button"
+              onClick={() => elementClipboard.pasteClipboardElements()}
+              className="mobile-design-props-nav-btn"
+              aria-label="粘贴元素"
+              title={`粘贴 ${elementClipboard.clipboardCount} 个元素`}
+            >
+              <ClipboardPaste className="w-4 h-4" />
+              <span>粘贴</span>
+            </button>
+          )}
+          <button
+            type="button"
+            onClick={() => elementClipboard?.copySelectedElements()}
+            disabled={!elementClipboard?.canCopy}
+            className="mobile-design-props-nav-btn"
+            aria-label="复制选中元素"
+            title="复制选中元素"
+          >
+            <Copy className="w-4 h-4" />
+            <span>复制</span>
+          </button>
           <button
             type="button"
             onClick={() => void deleteSelectedElements()}

src/hooks/useElementClipboard.ts

@@ -0,0 +1,82 @@
+import { useCallback, useState } from 'react';
+import type { LabelTemplate, TemplateElement } from '../types';
+import type { TableCellCoord } from '../tableUtils';
+import { cloneTemplateElementsForPaste } from '../utils';
+
+/** 应用内元素剪贴板（内存，跨模板/跨页面模块共享） */
+const globalElementClipboard: { elements: TemplateElement[] | null } = { elements: null };
+
+function getClipboardCount() {
+  return globalElementClipboard.elements?.length ?? 0;
+}
+
+function setGlobalClipboard(elements: TemplateElement[] | null) {
+  globalElementClipboard.elements = elements;
+}
+
+export interface UseElementClipboardOptions {
+  template: LabelTemplate;
+  onChange: (updated: LabelTemplate) => void;
+  selectedElementIds: string[];
+  onSelectElements: (ids: string[]) => void;
+  onSelectTableCells?: (cells: TableCellCoord[]) => void;
+  onCopySuccess?: (count: number) => void;
+}
+
+export interface ElementClipboardActions {
+  copySelectedElements: () => void;
+  pasteClipboardElements: () => void;
+  canCopy: boolean;
+  canPaste: boolean;
+  clipboardCount: number;
+}
+
+export function useElementClipboard({
+  template,
+  onChange,
+  selectedElementIds,
+  onSelectElements,
+  onSelectTableCells,
+  onCopySuccess,
+}: UseElementClipboardOptions): ElementClipboardActions {
+  const [clipboardCount, setClipboardCount] = useState(getClipboardCount);
+
+  const syncClipboardCount = useCallback((elements: TemplateElement[] | null) => {
+    setGlobalClipboard(elements);
+    setClipboardCount(elements?.length ?? 0);
+  }, []);
+
+  const canCopy = selectedElementIds.length > 0;
+  const canPaste = clipboardCount > 0;
+
+  const copySelectedElements = useCallback(() => {
+    if (selectedElementIds.length === 0) return;
+    const idSet = new Set(selectedElementIds);
+    const toCopy = template.elements.filter((el) => idSet.has(el.id));
+    if (toCopy.length === 0) return;
+    const cloned = JSON.parse(JSON.stringify(toCopy)) as TemplateElement[];
+    syncClipboardCount(cloned);
+    onCopySuccess?.(toCopy.length);
+  }, [selectedElementIds, template.elements, syncClipboardCount, onCopySuccess]);
+
+  const pasteClipboardElements = useCallback(() => {
+    const source = globalElementClipboard.elements;
+    if (!source || source.length === 0) return;
+    const pasted = cloneTemplateElementsForPaste(source, 1);
+    onChange({
+      ...template,
+      elements: [...template.elements, ...pasted],
+    });
+    onSelectElements(pasted.map((el) => el.id));
+    onSelectTableCells?.([]);
+    syncClipboardCount(null);
+  }, [template, onChange, onSelectElements, onSelectTableCells, syncClipboardCount]);
+
+  return {
+    copySelectedElements,
+    pasteClipboardElements,
+    canCopy,
+    canPaste,
+    clipboardCount,
+  };
+}

src/index.css

@@ -1506,13 +1506,25 @@ html.app-dark-shell body {
     gap: 4px;
     width: 64px;
     flex-shrink: 0;
+    min-height: 0;
+    align-self: stretch;
     padding: 8px 6px;
     background: #252525;
     border-right: 1px solid #1a1a1a;
+    overflow-y: auto;
+    scrollbar-width: none;
+    -ms-overflow-style: none;
+    -webkit-overflow-scrolling: touch;
+  }
+
+  .mobile-design-props-nav::-webkit-scrollbar {
+    display: none;
+    width: 0;
+    height: 0;
   }
 
   .mobile-design-props-nav-spacer {
-    flex: 1;
+    flex: 1 1 auto;
     min-height: 8px;
   }
 
@@ -1585,21 +1597,66 @@ html.app-dark-shell body {
     display: flex;
     align-items: center;
     gap: 4px;
-    overflow-x: auto;
+    overflow: hidden;
-    scrollbar-width: none;
-    -ms-overflow-style: none;
     min-width: 0;
     flex: 1;
   }
 
-  .mobile-design-toolstrip-tools::-webkit-scrollbar {
-    display: none;
-  }
-
   .mobile-design-tool-btn {
     width: 40px !important;
     height: 40px !important;
     min-height: 40px !important;
+    border-radius: 10px !important;
+    flex-shrink: 0;
+  }
+
+  .mobile-design-tool-btn.active:hover {
+    background: #1a1a1a;
+    color: var(--color-ps-accent);
+  }
+
+  .mobile-design-tool-btn:hover {
+    background: transparent;
+    color: #fff;
+  }
+
+  .mobile-toolstrip-overflow-menu {
+    min-width: 148px;
+    padding: 4px;
+    background: #2a2a2a;
+    border: 1px solid #3a3a3a;
+    border-radius: 10px;
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
+  }
+
+  .mobile-toolstrip-overflow-menu-item {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    width: 100%;
+    padding: 8px 10px;
+    border: none;
+    border-radius: 8px;
+    background: transparent;
+    color: #ccc;
+    font-size: 12px;
+    font-weight: 600;
+    cursor: pointer;
+    text-align: left;
+  }
+
+  .mobile-toolstrip-overflow-menu-item:hover,
+  .mobile-toolstrip-overflow-menu-item.active {
+    background: #1e3a4f;
+    color: #31a8ff;
+  }
+
+  .mobile-toolstrip-overflow-menu-icon {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 18px;
+    height: 18px;
     flex-shrink: 0;
   }
 

src/utils.ts

@@ -27,6 +27,26 @@ export const VARIABLE_MAPPING_USE_ROW_INDEX = '__use_row_index__';
 
 export const VARIABLE_MAPPING_ROW_INDEX_LABEL = '数据序号';
 
+/** 粘贴副本时相对原位置的偏移 (mm) */
+export const PASTE_ELEMENT_OFFSET_MM = 2;
+
+/** 深拷贝元素并生成新 id，用于复制/粘贴 */
+export function cloneTemplateElementsForPaste(
+  elements: TemplateElement[],
+  pasteRepeat: number
+): TemplateElement[] {
+  const offset = PASTE_ELEMENT_OFFSET_MM * Math.max(1, pasteRepeat);
+  const stamp = Date.now();
+  return elements.map((element, index) => {
+    const cloned = JSON.parse(JSON.stringify(element)) as TemplateElement;
+    cloned.id = `${element.type}_${stamp}_${index}`;
+    cloned.name = `${element.name} 副本`;
+    cloned.x = Math.round((element.x + offset) * 10) / 10;
+    cloned.y = Math.round((element.y + offset) * 10) / 10;
+    return cloned;
+  });
+}
+
 export function toDataSourceMeta(data: ImportData): DataSourceMeta {
   return {
     fileName: data.fileName,