fix(web): remove duplicate monitoring row spacing and border

web/src/components/accounts/MonitoringAccountList.tsx

@@ -2,25 +2,11 @@
 // 展示作者头像与粉丝/关注/作品/最近发布等账号画像属性（migration 038 字段 + work 聚合）。
 import { useCallback, useEffect, useState } from 'react';
 import { history } from '@umijs/max';
-import { Alert, App, Avatar, Button, Card, Descriptions, Empty, Flex, Form, Listy, Modal, Popconfirm, Select, Space, Spin, Tag, theme, Typography } from 'antd';
+import { Alert, App, Avatar, Button, Card, Descriptions, Empty, Flex, Form, Listy, Modal, Popconfirm, Select, Space, Spin, Tag, Typography } from 'antd';
 import { CloudUploadOutlined, ReloadOutlined } from '@ant-design/icons';
 import { getList, remove, creatorAction, creatorUpdate } from '@/services/api';
 import { conflictMessage, dateTime, platformLabel } from '@/utils/helpers';
 
-const useRowHoverStyle = () => {
-  const { token } = theme.useToken();
-  return {
-    padding: 16,
-    borderBottom: `1px solid ${token.colorSplit}`,
-    borderRadius: token.borderRadiusLG,
-    cursor: 'pointer',
-    transition: 'background-color 0.2s',
-    ['@media (hover: hover)']: {
-      '&:hover': { backgroundColor: token.colorFillQuaternary },
-    },
-  } as const;
-};
-
 interface CompetitorRow {
   id: string;
   platform: string;
@@ -143,8 +129,6 @@ export default function MonitoringAccountList() {
     }
   }
 
-  const rowHoverStyle = useRowHoverStyle();
-
   const syncMeta = syncStatusMeta[tagTarget?.sync_status ?? ''] || { label: tagTarget?.sync_status || '—' };
 
   return (
@@ -167,7 +151,7 @@ export default function MonitoringAccountList() {
         itemRender={(row) => {
           const meta = syncStatusMeta[row.sync_status ?? ''] || { label: row.sync_status || '—' };
           return (
-            <div style={rowHoverStyle} onClick={() => history.push(`/accounts/monitoring/${row.id}`)}>
+            <div style={{ cursor: 'pointer' }} onClick={() => history.push(`/accounts/monitoring/${row.id}`)}>
               <Flex justify="space-between" align="flex-start" gap={16}>
                 <Flex align="flex-start" gap={12}>
                   <Avatar size={44} src={row.avatar_url || undefined}>