Update web/src/components/RightPanel.tsx

web/src/components/RightPanel.tsx

@@ -9,7 +9,6 @@ import { Textarea } from './ui/textarea';
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from './ui/select';
 import { LogIn, LogOut, FileText, MessageSquare, Download, ClipboardList, Sparkles } from 'lucide-react';
 import type { User } from '../App';
-import { Download, ClipboardList, Sparkles } from 'lucide-react';
 import { toast } from 'sonner';
 import {
   Dialog,
@@ -158,13 +157,13 @@ export function RightPanel({
 
       {/* ✅ Actions：三按钮并排（同宽） */}
       {/* Actions */}
-      <Card className="p-4 space-y-3">
-        <h3>Actions</h3>
+      <Card className="p-4">
+        <h3 className="mb-3">Actions</h3>
       
         <div className="grid grid-cols-3 gap-2">
           <Button
             variant="outline"
-            className="w-full h-10 px-0"
+            className="h-10 w-full p-0 flex items-center justify-center"
             onClick={onExport}
             disabled={!isLoggedIn}
             title="Export"
@@ -174,7 +173,7 @@ export function RightPanel({
       
           <Button
             variant="outline"
-            className="w-full h-10 px-0"
+            className="h-10 w-full p-0 flex items-center justify-center"
             onClick={onQuiz}
             disabled={!isLoggedIn}
             title="Quiz"
@@ -184,7 +183,7 @@ export function RightPanel({
       
           <Button
             variant="outline"
-            className="w-full h-10 px-0"
+            className="h-10 w-full p-0 flex items-center justify-center"
             onClick={onSummary}
             disabled={!isLoggedIn}
             title="Summary"