diff --git a/src/App.tsx b/src/App.tsx
index 8a6b8fb..7981b78 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -290,7 +290,7 @@ export default function App() {
   const handleExportTemplate = (tmpl: LabelTemplate) => {
     const dataStr = JSON.stringify(normalizeTemplate(tmpl), null, 2);
     const dataUri = 'data:application/json;charset=utf-8,' + encodeURIComponent(dataStr);
-    const exportFileDefaultName = `模板_${tmpl.name?.replace(/\s+/g, '_') || tmpl.id}.json`;
+    const exportFileDefaultName = `模板_${tmpl.name?.replace(/\s+/g, '_') || tmpl.id}.lad`;
 
     const linkElement = document.createElement('a');
     linkElement.setAttribute('href', dataUri);
@@ -325,12 +325,12 @@ export default function App() {
           handleSelectTemplate(newId);
           await showAlert('模板读取解析成功，已追加至库中。', { variant: 'success' });
         } else {
-          await showAlert('JSON格式错误：外部模板必须至少包含 width, height, 以及 elements 分组', {
+          await showAlert('模板格式错误：外部模板必须至少包含 width, height, 以及 elements 分组', {
             variant: 'error',
           });
         }
       } catch (err) {
-        await showAlert('文件解码失败，请确保您上传的是合法的 json 模板结构文件。', {
+        await showAlert('文件解码失败，请确保您上传的是合法的模板文件。', {
           variant: 'error',
         });
       }
@@ -648,10 +648,10 @@ export default function App() {
               </button>
               <label className="inline-flex items-center gap-1.5 px-4 py-2 bg-white/10 hover:bg-white/15 border border-slate-700 text-slate-100 rounded-xl text-xs font-semibold whitespace-nowrap transition shadow-sm cursor-pointer">
                 <Upload className="w-4 h-4 shrink-0" />
-                导入 JSON 模板
+                导入模板
                 <input
                   type="file"
-                  accept=".json"
+                  accept=".lad"
                   onChange={handleImportTemplate}
                   className="hidden"
                 />
@@ -692,7 +692,7 @@ export default function App() {
                 <p className="text-sm text-gray-500 mt-2 max-w-md leading-relaxed">
                   {isMobile
                     ? '导入已有模板，或在电脑端设计标签模板'
-                    : '创建模板开始可视化设计，或导入已有的 JSON 模板文件。'}
+                    : '创建模板开始可视化设计，或导入已有的模板文件。'}
                 </p>
                 <div className="flex flex-col sm:flex-row items-center justify-center gap-3 mt-3">
                   {!isMobile && (
@@ -707,10 +707,10 @@ export default function App() {
                   )}
                   <label className="inline-flex items-center justify-center gap-2 px-5 py-2.5 bg-white border border-gray-200 hover:border-indigo-300 text-gray-700 rounded-xl text-sm font-semibold transition shadow-sm cursor-pointer shrink-0">
                     <Upload className="w-4 h-4 shrink-0" />
-                    导入 JSON 模板
+                    导入模板
                     <input
                       type="file"
-                      accept=".json"
+                      accept=".lad"
                       onChange={handleImportTemplate}
                       className="hidden"
                     />
@@ -814,7 +814,7 @@ export default function App() {
                                 handleExportTemplate(tmpl);
                               }}
                               className="shrink-0 p-1.5 bg-gray-50 text-gray-500 hover:bg-gray-100 border border-gray-100 hover:border-gray-300 rounded-lg inline-flex items-center justify-center transition cursor-pointer"
-                              title="导出 JSON"
+                              title="导出"
                             >
                               <Download className="w-3.5 h-3.5" />
                             </button>
diff --git a/src/components/LabelDesigner.tsx b/src/components/LabelDesigner.tsx
index c29c79e..9c8048c 100644
--- a/src/components/LabelDesigner.tsx
+++ b/src/components/LabelDesigner.tsx
@@ -1,6 +1,7 @@
 import React, { useState, useRef, useEffect, useCallback, useMemo } from 'react';
 import { LabelTemplate, TemplateElement } from '../types';
 import { mmToPx, shouldRenderElement } from '../utils';
+import { useIsNarrowScreen } from '../hooks/useIsMobile';
 import { CanvasLabelImage } from './CanvasLabelImage';
 import {
   ZoomIn,
@@ -70,6 +71,7 @@ function applyCornerResize(
 
 const MARQUEE_MIN_PX = 4;
 const DRAG_START_THRESHOLD_PX = 4;
+const MODERATE_ZOOM_MAX = 2.0;
 
 function rectFullyContains(
   outer: { left: number; top: number; right: number; bottom: number },
@@ -123,7 +125,8 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
   onSelectElements,
 }) => {
   const selectedElementId = selectedElementIds[0] || null;
-  const [zoom, setZoom] = useState<number>(2.5);
+  const isNarrow = useIsNarrowScreen();
+  const [zoom, setZoom] = useState<number>(MODERATE_ZOOM_MAX);
   const [activeTool, setActiveTool] = useState<ActiveTool>('move');
   const canvasAreaRef = useRef<HTMLDivElement | null>(null);
   const canvasRef = useRef<HTMLDivElement | null>(null);
@@ -378,6 +381,23 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     deleteSelectedElements,
   ]);
 
+  const applyModerateZoom = useCallback(() => {
+    const area = canvasAreaRef.current;
+    if (!area) return;
+    const pad = isNarrow ? 32 : 80;
+    const availW = area.clientWidth - pad;
+    const availH = area.clientHeight - pad;
+    if (availW <= 0 || availH <= 0) return;
+    const docW = mmToPx(template.width, 1);
+    const docH = mmToPx(template.height, 1);
+    const fitZoom = Math.min(availW / docW, availH / docH, MODERATE_ZOOM_MAX);
+    setZoom(Math.max(0.5, Math.round(fitZoom * 100) / 100));
+  }, [template.width, template.height, isNarrow]);
+
+  useEffect(() => {
+    applyModerateZoom();
+  }, [template.id, applyModerateZoom]);
+
   useEffect(() => {
     const area = canvasAreaRef.current;
     if (!area) return;
@@ -399,7 +419,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
   useEffect(() => {
     if (!marqueeActive) return;
 
-    const handleMouseMove = (e: MouseEvent) => {
+    const handlePointerMove = (e: PointerEvent) => {
       const canvas = canvasRef.current;
       if (!canvas) return;
       const rect = canvas.getBoundingClientRect();
@@ -408,7 +428,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
       setMarqueeState((prev) => (prev ? { ...prev, currentX, currentY } : null));
     };
 
-    const handleMouseUp = () => {
+    const handlePointerUp = () => {
       const state = marqueeRef.current;
       setMarqueeState(null);
 
@@ -453,11 +473,13 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
       }
     };
 
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('mouseup', handleMouseUp);
+    window.addEventListener('pointermove', handlePointerMove);
+    window.addEventListener('pointerup', handlePointerUp);
+    window.addEventListener('pointercancel', handlePointerUp);
     return () => {
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('mouseup', handleMouseUp);
+      window.removeEventListener('pointermove', handlePointerMove);
+      window.removeEventListener('pointerup', handlePointerUp);
+      window.removeEventListener('pointercancel', handlePointerUp);
     };
   }, [marqueeActive, zoom, onSelectElements]);
 
@@ -465,7 +487,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     if (!dragState) return;
     dragMovedRef.current = false;
 
-    const handleMouseMove = (e: MouseEvent) => {
+    const handlePointerMove = (e: PointerEvent) => {
       const deltaX = e.clientX - dragState.startX;
       const deltaY = e.clientY - dragState.startY;
       if (
@@ -547,7 +569,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
       }
     };
 
-    const handleMouseUp = () => {
+    const handlePointerUp = () => {
       if (dragRafRef.current !== null) {
         cancelAnimationFrame(dragRafRef.current);
         dragRafRef.current = null;
@@ -565,11 +587,13 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
       setDragState(null);
     };
 
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('mouseup', handleMouseUp);
+    window.addEventListener('pointermove', handlePointerMove);
+    window.addEventListener('pointerup', handlePointerUp);
+    window.addEventListener('pointercancel', handlePointerUp);
     return () => {
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('mouseup', handleMouseUp);
+      window.removeEventListener('pointermove', handlePointerMove);
+      window.removeEventListener('pointerup', handlePointerUp);
+      window.removeEventListener('pointercancel', handlePointerUp);
     };
   }, [dragState, template, zoom, onChange]);
 
@@ -588,7 +612,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     return groupStartPositions;
   };
 
-  const startMarquee = (e: React.MouseEvent) => {
+  const startMarquee = (e: React.PointerEvent) => {
     if (activeTool !== 'move' || e.button !== 0) return;
 
     const canvas = canvasRef.current;
@@ -600,6 +624,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
 
     e.preventDefault();
     e.stopPropagation();
+    e.currentTarget.setPointerCapture(e.pointerId);
 
     setMarqueeState({
       startX,
@@ -610,7 +635,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     });
   };
 
-  const handleWorkspaceMouseDown = (e: React.MouseEvent<HTMLDivElement>) => {
+  const handleWorkspacePointerDown = (e: React.PointerEvent<HTMLDivElement>) => {
     if (activeTool !== 'move' || e.button !== 0) return;
     const target = e.target as HTMLElement;
     if (target.closest('[data-label-element]') || target.closest('.ps-handle')) return;
@@ -618,8 +643,8 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     startMarquee(e);
   };
 
-  const handleElementMouseDown = (
-    e: React.MouseEvent,
+  const handleElementPointerDown = (
+    e: React.PointerEvent,
     element: TemplateElement,
     actionType: 'drag' | 'resize'
   ) => {
@@ -652,13 +677,18 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     }
   };
 
-  const handleDragStart = (e: React.MouseEvent, element: TemplateElement, actionType: 'drag' | 'resize') => {
+  const handleDragStart = (
+    e: React.PointerEvent,
+    element: TemplateElement,
+    actionType: 'drag' | 'resize'
+  ) => {
     e.preventDefault();
     if (!selectedElementIds.includes(element.id)) {
       onSelectElements([element.id]);
     }
     if (element.locked) return;
 
+    e.currentTarget.setPointerCapture(e.pointerId);
     setFrozenCanvasElements(template.elements);
     setDragState({
       elementId: element.id,
@@ -674,7 +704,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
   };
 
   const handleResizeStart = (
-    e: React.MouseEvent,
+    e: React.PointerEvent,
     element: TemplateElement,
     corner: ResizeCorner
   ) => {
@@ -683,6 +713,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
     onSelectElements([element.id]);
     if (element.locked) return;
 
+    e.currentTarget.setPointerCapture(e.pointerId);
     setFrozenCanvasElements(template.elements);
     setDragState({
       elementId: element.id,
@@ -775,8 +806,8 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
       <div className="flex flex-col flex-1 min-w-0 min-h-0">
         <div
           ref={canvasAreaRef}
-          className="flex-1 overflow-auto ps-workspace-bg flex items-center justify-center"
-          onMouseDown={handleWorkspaceMouseDown}
+          className="flex-1 overflow-auto ps-workspace-bg ps-design-canvas-touch flex items-center justify-center"
+          onPointerDown={handleWorkspacePointerDown}
           onClick={(e) => {
             if (ignoreCanvasClickRef.current) {
               ignoreCanvasClickRef.current = false;
@@ -820,9 +851,9 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
 
             {activeTool === 'move' && (
               <div
-                className="absolute inset-0 z-[1] cursor-crosshair"
+                className="absolute inset-0 z-[1] cursor-crosshair touch-none"
                 aria-hidden
-                onMouseDown={startMarquee}
+                onPointerDown={startMarquee}
               />
             )}
 
@@ -851,7 +882,7 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
                 <div
                   key={element.id}
                   data-label-element
-                  className={`absolute group ${
+                  className={`absolute group touch-none ${
                     isLocked
                       ? 'pointer-events-none'
                       : isSelected
@@ -867,8 +898,8 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
                     transform: element.rotation ? `rotate(${element.rotation}deg)` : undefined,
                     transformOrigin: 'center center',
                   }}
-                  onMouseDown={
-                    isLocked ? undefined : (e) => handleElementMouseDown(e, element, 'drag')
+                  onPointerDown={
+                    isLocked ? undefined : (e) => handleElementPointerDown(e, element, 'drag')
                   }
                   onClick={isLocked ? undefined : (e) => handleElementClick(e, element)}
                 >
@@ -886,22 +917,22 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
                     <>
                       <div
                         className="ps-handle top-0 left-0 -translate-x-1/2 -translate-y-1/2 cursor-nw-resize"
-                        onMouseDown={(e) => handleResizeStart(e, element, 'nw')}
+                        onPointerDown={(e) => handleResizeStart(e, element, 'nw')}
                         title="拖拽调整尺寸"
                       />
                       <div
                         className="ps-handle top-0 right-0 translate-x-1/2 -translate-y-1/2 cursor-ne-resize"
-                        onMouseDown={(e) => handleResizeStart(e, element, 'ne')}
+                        onPointerDown={(e) => handleResizeStart(e, element, 'ne')}
                         title="拖拽调整尺寸"
                       />
                       <div
                         className="ps-handle bottom-0 left-0 -translate-x-1/2 translate-y-1/2 cursor-sw-resize"
-                        onMouseDown={(e) => handleResizeStart(e, element, 'sw')}
+                        onPointerDown={(e) => handleResizeStart(e, element, 'sw')}
                         title="拖拽调整尺寸"
                       />
                       <div
                         className="ps-handle bottom-0 right-0 translate-x-1/2 translate-y-1/2 cursor-se-resize"
-                        onMouseDown={(e) => handleResizeStart(e, element, 'se')}
+                        onPointerDown={(e) => handleResizeStart(e, element, 'se')}
                         title="拖拽调整尺寸"
                       />
                     </>
@@ -918,32 +949,44 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
           </div>
         </div>
 
-        <div className="ps-status-bar">
-          <div className="flex items-center gap-3">
-            <span>
-              文档: {template.width} × {template.height} mm
-            </span>
-            {selectedElemObj && (
-              <span className="text-[#31a8ff]">
-                | {selectedElemObj.name} — X:{selectedElemObj.x} Y:{selectedElemObj.y} W:
-                {selectedElemObj.width} H:{selectedElemObj.height} mm
-              </span>
-            )}
-            {selectedElementIds.length > 1 && (
-              <span className="text-emerald-400">
-                | 已选 {selectedElementIds.length} 个
-              </span>
-            )}
-            {activeTool === 'move' && (
-              <span className="text-[#888] hidden sm:inline">
-                | 框选 · Shift/Ctrl+点选 · Ctrl+A 全选
-              </span>
+        <div className={`ps-status-bar ${isNarrow ? 'ps-status-bar-compact' : ''}`}>
+          <div className="flex items-center gap-2 min-w-0 truncate">
+            {isNarrow ? (
+              <>
+                <span className="truncate">
+                  {template.width}×{template.height}
+                  {selectedElemObj ? ` · ${selectedElemObj.name}` : ''}
+                  {selectedElementIds.length > 1 ? ` · ${selectedElementIds.length}选` : ''}
+                </span>
+              </>
+            ) : (
+              <>
+                <span>
+                  文档: {template.width} × {template.height} mm
+                </span>
+                {selectedElemObj && (
+                  <span className="text-[#31a8ff]">
+                    | {selectedElemObj.name} — X:{selectedElemObj.x} Y:{selectedElemObj.y} W:
+                    {selectedElemObj.width} H:{selectedElemObj.height} mm
+                  </span>
+                )}
+                {selectedElementIds.length > 1 && (
+                  <span className="text-emerald-400">| 已选 {selectedElementIds.length} 个</span>
+                )}
+                {activeTool === 'move' && (
+                  <span className="text-[#888] hidden sm:inline">
+                    | 框选 · Shift/Ctrl+点选 · Ctrl+A 全选
+                  </span>
+                )}
+              </>
             )}
           </div>
-          <div className="flex items-center gap-3">
-            <span className="hidden sm:inline text-[10px]">
-              预览使用变量默认值 · 方向键微调 · Ctrl+滚轮缩放
-            </span>
+          <div className="flex items-center gap-2 shrink-0">
+            {!isNarrow && (
+              <span className="hidden sm:inline text-[10px]">
+                预览使用变量默认值 · 方向键微调 · Ctrl+滚轮缩放
+              </span>
+            )}
             <div className="ps-zoom-control">
               <button className="ps-zoom-btn" onClick={() => setZoom(Math.max(0.5, zoom - 0.25))} title="缩小">
                 <ZoomOut className="w-3 h-3" />
@@ -955,6 +998,13 @@ export const LabelDesigner: React.FC<LabelDesignerProps> = ({
                 <ZoomIn className="w-3 h-3" />
               </button>
             </div>
+            <button
+              onClick={applyModerateZoom}
+              className="text-[10px] text-[#aaa] hover:text-white px-1.5 py-0.5 border border-[#4a4a4a] hover:border-[#666] transition cursor-pointer"
+              title="适中缩放"
+            >
+              适中
+            </button>
             <button
               onClick={fitToView}
               className="text-[10px] text-[#aaa] hover:text-white px-1.5 py-0.5 border border-[#4a4a4a] hover:border-[#666] transition cursor-pointer"
diff --git a/src/components/PropSidebar.tsx b/src/components/PropSidebar.tsx
index fae3582..7e6e755 100644
--- a/src/components/PropSidebar.tsx
+++ b/src/components/PropSidebar.tsx
@@ -867,22 +867,47 @@ export const PropSidebar: React.FC<PropSidebarProps> = ({
                       {(selectedElem.textFormat === 'number' ||
                         selectedElem.textFormat === 'percent' ||
                         selectedElem.textFormat === 'currency') && (
-                        <div>
-                          <label className="ps-field-label">小数位数</label>
-                          <PropInput
-                            type="number"
-                            min="0"
-                            max="6"
-                            value={selectedElem.decimalPlaces ?? 2}
-                            onCommit={(val) =>
-                              handleElemChange({
-                                ...selectedElem,
-                                decimalPlaces: Math.max(0, Math.min(6, Number(val) || 0)),
-                              })
-                            }
-                            className="ps-field font-mono"
-                          />
-                        </div>
+                        <>
+                          <div>
+                            <label className="ps-field-label">小数位数</label>
+                            <PropInput
+                              type="number"
+                              min="0"
+                              max="6"
+                              value={selectedElem.decimalPlaces ?? 2}
+                              onCommit={(val) =>
+                                handleElemChange({
+                                  ...selectedElem,
+                                  decimalPlaces: Math.max(0, Math.min(6, Number(val) || 0)),
+                                })
+                              }
+                              className="ps-field font-mono"
+                            />
+                          </div>
+                          <div className="col-span-2">
+                            <label className="ps-field-label">数值显示部分</label>
+                            <select
+                              value={selectedElem.numberPartDisplay ?? 'full'}
+                              onChange={(e) =>
+                                handleElemChange({
+                                  ...selectedElem,
+                                  numberPartDisplay: e.target.value as
+                                    | 'full'
+                                    | 'integer'
+                                    | 'fraction',
+                                })
+                              }
+                              className="ps-field"
+                            >
+                              <option value="full">完整数值</option>
+                              <option value="integer">仅整数部分（如 19.9 → 19）</option>
+                              <option value="fraction">仅小数部分（如 19.9 → .9）</option>
+                            </select>
+                            <p className="text-[9px] text-[#666] mt-1 leading-relaxed">
+                              可将价格拆成两个文本元素分别设置字号，如「19」与「.9」
+                            </p>
+                          </div>
+                        </>
                       )}
                     </div>
 
diff --git a/src/hooks/useIsMobile.ts b/src/hooks/useIsMobile.ts
index 21bc2c1..d3f7950 100644
--- a/src/hooks/useIsMobile.ts
+++ b/src/hooks/useIsMobile.ts
@@ -21,3 +21,8 @@ export function useMediaQuery(query: string): boolean {
 export function useIsMobile(): boolean {
   return useMediaQuery('(max-width: 767px)');
 }
+
+/** 平板等窄屏：&lt; 1024px */
+export function useIsNarrowScreen(): boolean {
+  return useMediaQuery('(max-width: 1023px)');
+}
diff --git a/src/index.css b/src/index.css
index 272915c..7353a44 100644
--- a/src/index.css
+++ b/src/index.css
@@ -634,6 +634,34 @@ body,
   background: #fff;
   border: 1px solid var(--color-ps-accent);
   z-index: 50;
+  touch-action: none;
+}
+
+.ps-design-canvas-touch {
+  touch-action: pan-x pan-y;
+}
+
+.ps-design-canvas-touch [data-label-element],
+.ps-design-canvas-touch .ps-handle,
+.ps-design-canvas-touch .touch-none {
+  touch-action: none;
+}
+
+.ps-status-bar-compact {
+  font-size: 10px;
+  gap: 8px;
+  padding: 0 8px;
+}
+
+@media (max-width: 1023px) {
+  .ps-handle {
+    width: 18px;
+    height: 18px;
+  }
+
+  .ps-status-bar {
+    flex-wrap: nowrap;
+  }
 }
 
 .ps-zoom-control {
diff --git a/src/types.ts b/src/types.ts
index a82c6fe..22482a6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,6 @@
 export type TextFormat = 'text' | 'number' | 'percent' | 'currency';
+/** 数值格式下的显示部分：完整 / 仅整数 / 仅小数（含小数点） */
+export type NumberPartDisplay = 'full' | 'integer' | 'fraction';
 export type ElementVisibilityMode = 'always' | 'conditional';
 export type VisibilityOperator = 'empty' | 'not_empty' | 'gt' | 'lt' | 'eq' | 'neq';
 
@@ -82,6 +84,8 @@ export interface TemplateElement {
   textFormat?: TextFormat;
   /** 数值/百分比/货币的小数位数，默认 2 */
   decimalPlaces?: number;
+  /** 数值格式下显示整数或小数部分，仅 type=text 且 textFormat≠text */
+  numberPartDisplay?: NumberPartDisplay;
   /** 边框宽度 (mm)，0 为无边框；各边留空时沿用此值 */
   borderWidth?: number;
   borderColor?: string;
diff --git a/src/utils.ts b/src/utils.ts
index 3f0ed33..8c7e2fa 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -6,6 +6,7 @@ import {
   DataSourceMeta,
   TemplateElement,
   TextFormat,
+  NumberPartDisplay,
   ExportRangeConfig,
   CutLineConfig,
   VisibilityRule,
@@ -643,6 +644,51 @@ export function formatDisplayValue(
   }
 }
 
+/** 按整数/小数部分拆分数值显示（如价格 19.9 →「19」与「.9」分元素展示） */
+export function applyNumberPartDisplay(
+  value: string,
+  format: Exclude<TextFormat, 'text'>,
+  decimalPlaces: number | undefined,
+  part: NumberPartDisplay
+): string {
+  if (part === 'full') {
+    return formatDisplayValue(value, format, decimalPlaces);
+  }
+
+  const trimmed = value.trim().replace(/,/g, '');
+  if (!trimmed) return '';
+  const num = Number(trimmed);
+  if (Number.isNaN(num)) {
+    return formatDisplayValue(value, format, decimalPlaces);
+  }
+
+  const places = decimalPlaces ?? 2;
+  const sign = num < 0 ? '-' : '';
+  const abs = Math.abs(num);
+  const intVal = Math.trunc(abs);
+  const intStr = intVal.toLocaleString('zh-CN');
+
+  if (part === 'integer') {
+    switch (format) {
+      case 'number':
+        return `${sign}${intStr}`;
+      case 'percent':
+        return `${sign}${intStr}%`;
+      case 'currency':
+        return `${sign}¥${intStr}`;
+      default:
+        return `${sign}${intStr}`;
+    }
+  }
+
+  const fracNum = abs - intVal;
+  let fracStr = fracNum.toFixed(places).slice(1);
+  if (!fracStr || fracStr === '.' || fracStr === '.' + '0'.repeat(places)) {
+    fracStr = places > 0 ? '.' + '0'.repeat(places) : '';
+  }
+  return fracStr;
+}
+
 /** 读取变量原始值（仅行数据；设计模式可选用默认值） */
 export function getVariableRawValue(
   varName: string,
@@ -693,10 +739,11 @@ export function resolveElementValue(
   const formatSubst =
     elem.type === 'text' && elem.textFormat && elem.textFormat !== 'text'
       ? (raw: string) =>
-          formatDisplayValue(
+          applyNumberPartDisplay(
             raw,
             elem.textFormat as Exclude<TextFormat, 'text'>,
-            elem.decimalPlaces
+            elem.decimalPlaces,
+            elem.numberPartDisplay ?? 'full'
           )
       : undefined;