✨ feat(home): 提升图片压缩包上传能力

- 提升图片压缩包大小上限从50MB至500MB
- 增加对.rar和.7z格式压缩包的支持
- 更新相关页面的提示文本和文件选择器配置

src/client/home/pages/HomePage.tsx

@@ -72,7 +72,7 @@ export default function HomePage() {
 
   const stats = [
     { value: "10MB", label: "Word模板上限", icon: <FileText className="h-5 w-5" /> },
-    { value: "50MB", label: "图片压缩包上限", icon: <Package className="h-5 w-5" /> },
+    { value: "500MB", label: "图片压缩包上限", icon: <Package className="h-5 w-5" /> },
     { value: "1000+", label: "支持像素范围", icon: <Image className="h-5 w-5" /> },
     { value: "6种", label: "图片格式支持", icon: <CheckCircle className="h-5 w-5" /> }
   ];

src/client/home/pages/WordPreview.tsx

@@ -906,7 +906,7 @@ export default function WordPreview() {
               选择图片压缩包
             </CardTitle>
             <CardDescription>
-              支持 .zip 格式压缩包，最大50MB
+              支持 .zip .rar .7z 格式压缩包，最大500MB
             </CardDescription>
           </CardHeader>
           <CardContent className="space-y-4">
@@ -916,7 +916,7 @@ export default function WordPreview() {
                 ref={imageZipInputRef}
                 id="image-zip"
                 type="file"
-                accept=".zip,application/zip,application/x-zip-compressed"
+                accept=".zip,.rar,.7z,application/zip,application/x-zip-compressed,application/x-rar-compressed,application/x-7z-compressed"
                 onChange={handleImageZipSelect}
               />
             </div>