完善运营端报备流程与页面标题

src/apps/admin/AdminEnterpriseSignaturesPage.tsx

@@ -1,6 +1,6 @@
 import { useMemo, useState } from 'react';
 import { ChevronDown, ChevronLeft, ChevronRight, Edit3, FileText, Info, Plus, Search, Trash2, Upload } from 'lucide-react';
-import { Button, Input, Modal, Select, Table, Tabs, Tag, Textarea, type TableColumn } from '@/components/ui';
+import { Breadcrumb, Button, Input, Modal, Select, Table, Tabs, Tag, Textarea, type TableColumn } from '@/components/ui';
 
 type CarrierStatus = 'approved' | 'pending' | 'rejected' | 'filing';
 type SignatureKind = 'sms' | 'mms';
@@ -545,7 +545,7 @@ export function AdminEnterpriseSignaturesPage() {
     <section className="page-stack admin-customer-split-page">
       <div className="page-heading">
         <div>
-          <div className="breadcrumb-line">客户管理 / <strong>企业签名管理</strong></div>
+          <Breadcrumb items={['客户管理', '企业签名管理']} />
           <h1>企业签名管理</h1>
         </div>
         <Button icon={<Plus size={16} />} onClick={() => setSignatureModal({ kind: activeTab })}>添加签名</Button>