style: enhance visual hierarchy of Profile page components

src/pages/Profile.tsx

@@ -1,6 +1,6 @@
 import { useState, useEffect } from 'react';
 import { Form, Input, Button, Card, message, Avatar, Descriptions, Space, Modal, Row, Col } from 'antd';
-import { UserOutlined, LockOutlined, SafetyOutlined } from '@ant-design/icons';
+import { UserOutlined, LockOutlined, SafetyOutlined, KeyOutlined, ExclamationCircleOutlined } from '@ant-design/icons';
 import { authApi } from '@/services/api';
 import type { User } from '@/types';
 
@@ -151,13 +151,45 @@ function ProfilePage() {
               <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
                 <Space>
                   <SafetyOutlined />
-                  <span>双因素验证</span>
+                  <span>双因素验证（TOTP）</span>
                 </Space>
                 <Button type="default">
                   启用
                 </Button>
               </div>
             </Card>
+
+            <Card
+              size="small"
+              bordered={false}
+              style={{ marginTop: '16px', backgroundColor: '#fafafa' }}
+            >
+              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                <Space>
+                  <KeyOutlined />
+                  <span>通行密钥（Passkey）</span>
+                </Space>
+                <Button type="default">
+                  启用
+                </Button>
+              </div>
+            </Card>
+
+            <Card
+              size="small"
+              bordered={false}
+              style={{ marginTop: '16px', backgroundColor: '#fafafa' }}
+            >
+              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                <Space>
+                  <ExclamationCircleOutlined />
+                  <span>注销账户</span>
+                </Space>
+                <Button danger>
+                  注销账户
+                </Button>
+              </div>
+            </Card>
           </Col>
         </Row>
       </Card>