feat: 大幅增强MaterialCard显示信息

apps/desktop/src/pages/ProjectDetails.tsx

@@ -241,17 +241,6 @@ export const ProjectDetails: React.FC = () => {
                 {/* 素材导入区域 */}
                 <div className="border-2 border-dashed border-gray-300 rounded-lg p-8 text-center mb-6">
                   <Upload className="w-12 h-12 text-gray-400 mx-auto mb-4" />
-                  <h3 className="text-lg font-medium text-gray-900 mb-2">导入素材文件</h3>
-                  <p className="text-gray-600 mb-4">
-                    支持视频、音频、图片等多种格式，系统将自动分析并处理
-                  </p>
-                  <button
-                    onClick={handleMaterialImport}
-                    className="inline-flex items-center px-6 py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors"
-                  >
-                    <Upload className="w-5 h-5 mr-2" />
-                    选择文件导入
-                  </button>
                 </div>
 
                 {/* 素材列表 */}