优化移动导出视图的样式和功能，替换下载图标为打印图标，并调整标题和按钮的布局与样式。

src/components/MobileExportView.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import {
   ChevronLeft,
-  FileDown,
+  Printer,
   Loader2,
   Database,
   Link2,
@@ -85,21 +85,26 @@ export const MobileExportView: React.FC<MobileExportViewProps> = ({
 
   return (
     <div className="mobile-export-view">
-      <header className="mobile-export-header">
-        <button type="button" onClick={onBack} className="mobile-export-back" aria-label="返回">
-          <ChevronLeft className="w-5 h-5" />
-        </button>
-        <div className="mobile-export-header-text min-w-0 flex-1">
-          <p className="mobile-export-title truncate">{templateName}</p>
-          <p className="mobile-export-subtitle">
-            {template.width}×{template.height} mm
-            {hasData && selectedCount > 0 && (
-              <span>
-                {' '}
-                · {selectedCount} 枚 · {totalPages} 页
-              </span>
-            )}
-          </p>
+      <header className="no-print bg-slate-950 border-b border-slate-900 shrink-0 shadow mobile-export-header mobile-template-header px-4 py-3">
+        <div className="flex items-center gap-2 min-w-0 w-full">
+          <button
+            type="button"
+            onClick={onBack}
+            className="mobile-export-back"
+            aria-label="返回"
+          >
+            <ChevronLeft className="w-5 h-5" />
+          </button>
+          <div className="flex items-center gap-3 min-w-0 flex-1">
+            <div className="min-w-0">
+              {/* <h1 className="text-sm font-bold tracking-wider flex items-center gap-2 text-slate-100 uppercase">
+                <span className="truncate">批量标签排版印刷生成器</span>
+              </h1> */}
+              <p className="text-sm font-bold tracking-wider flex items-center gap-2 text-slate-100 uppercase" title={templateName}>
+                {templateName}
+              </p>
+            </div>
+          </div>
         </div>
       </header>
 
@@ -201,10 +206,10 @@ export const MobileExportView: React.FC<MobileExportViewProps> = ({
             </>
           ) : (
             <>
-              <FileDown className="w-5 h-5 shrink-0" />
+              <Printer className="w-5 h-5 shrink-0" />
               {exportBlockedReason
-                ? '生成 PDF'
-                : `生成 PDF（${selectedCount} 枚 · ${totalPages} 页）`}
+                ? '生成标签PDF文件'
+                : `生成标签PDF文件（${selectedCount} 枚 · ${totalPages} 页）`}
             </>
           )}
         </button>