feat: 方案对比结果区域改为可折叠显示

- 将方案对比结果卡片改为可折叠的expansion组件
- 添加analytics图标，提升界面美观度
- 默认展开状态，方便用户查看
- 优化卡片样式，移除内边距并添加overflow-hidden

gui.py

@@ -926,10 +926,10 @@ def index():
                         "text-gray-500 italic"
                     )
 
-            with ui.card().classes("w-full p-4 shadow-md"):
-                ui.label("方案对比结果 (点击行查看拓扑详情)").classes(
-                    "text-xl font-semibold mb-2"
-                )
+            with ui.card().classes("w-full p-0 shadow-md overflow-hidden"):
+                with ui.expansion(
+                    "方案对比结果 (点击行查看拓扑详情)", icon="analytics", value=True
+                ).classes("w-full").props("header-class=\"text-xl font-semibold\""):
                     columns = [
                         {
                             "name": "name",