diff --git a/web/src/pages/admin/Ops.tsx b/web/src/pages/admin/Ops.tsx
index 358eacd..b720b2d 100644
--- a/web/src/pages/admin/Ops.tsx
+++ b/web/src/pages/admin/Ops.tsx
@@ -1,33 +1,71 @@
-import { useEffect, useState } from 'react'
-import { Card, Table, Tag, Button, Badge, Progress, Space, message, Modal, Form, Input, Select, Spin, Empty, Popconfirm } from 'antd'
-import { PlusOutlined, EditOutlined, DeleteOutlined, ReloadOutlined } from '@ant-design/icons'
+import { useEffect, useState, type ReactNode } from 'react'
+import {
+  Button, message, Modal, Form, Input, Select, Spin, Empty, Popconfirm, Pagination,
+} from 'antd'
+import {
+  PlusOutlined, EditOutlined, DeleteOutlined, ReloadOutlined,
+  CloudServerOutlined, ApiOutlined, DatabaseOutlined, ClusterOutlined,
+  GlobalOutlined, CheckCircleFilled, WarningFilled, CloseCircleFilled,
+} from '@ant-design/icons'
 import {
   createAnnouncement, deleteAnnouncement, getAdminLogs, getAnnouncements, updateAnnouncement,
   type Announcement, type OperationLog,
 } from '@/services/api'
 
-const services = [
-  { name: 'API 服务', status: 'normal' as const },
-  { name: 'WebSocket 服务', status: 'normal' as const },
-  { name: '数据库', status: 'normal' as const },
-  { name: '消息队列', status: 'normal' as const },
-  { name: 'CDN', status: 'normal' as const },
+type SvcStatus = 'normal' | 'warning' | 'error'
+
+const services: { name: string; status: SvcStatus; icon: ReactNode; hint: string }[] = [
+  { name: 'API 服务', status: 'normal', icon: <ApiOutlined />, hint: 'HTTP / REST' },
+  { name: 'WebSocket', status: 'normal', icon: <CloudServerOutlined />, hint: '实时消息' },
+  { name: '数据库', status: 'normal', icon: <DatabaseOutlined />, hint: 'PostgreSQL' },
+  { name: '对象存储', status: 'normal', icon: <ClusterOutlined />, hint: 'MinIO / S3' },
+  { name: '静态资源', status: 'normal', icon: <GlobalOutlined />, hint: '前端与 Widget' },
 ]
 
-const statusDisplay = {
-  normal: { color: 'green', text: '正常' },
-  warning: { color: 'orange', text: '告警' },
-  error: { color: 'red', text: '故障' },
+const statusUi: Record<SvcStatus, { text: string; bg: string; color: string; icon: ReactNode }> = {
+  normal: {
+    text: '正常',
+    bg: 'bg-emerald-50',
+    color: 'text-emerald-700',
+    icon: <CheckCircleFilled className="text-emerald-500" />,
+  },
+  warning: {
+    text: '告警',
+    bg: 'bg-amber-50',
+    color: 'text-amber-700',
+    icon: <WarningFilled className="text-amber-500" />,
+  },
+  error: {
+    text: '故障',
+    bg: 'bg-red-50',
+    color: 'text-red-700',
+    icon: <CloseCircleFilled className="text-red-500" />,
+  },
 }
 
-const actionLabel: Record<string, string> = {
-  create_tenant: '开通租户',
-  suspend_tenant: '暂停租户',
-  resume_tenant: '恢复租户',
-  update_tenant: '更新租户',
-  update_plan: '更新套餐',
-  create_announcement: '创建公告',
-  delete_announcement: '删除公告',
+const actionMeta: Record<string, { text: string; bg: string; color: string }> = {
+  create_tenant: { text: '开通租户', bg: '#dbeafe', color: '#2563eb' },
+  suspend_tenant: { text: '暂停租户', bg: '#fef2f2', color: '#dc2626' },
+  resume_tenant: { text: '恢复租户', bg: '#f0fdf4', color: '#16a34a' },
+  update_tenant: { text: '更新租户', bg: '#ecfeff', color: '#0891b2' },
+  update_plan: { text: '更新套餐', bg: '#f3e8ff', color: '#7c3aed' },
+  create_plan: { text: '创建套餐', bg: '#f3e8ff', color: '#7c3aed' },
+  create_announcement: { text: '创建公告', bg: '#fffbeb', color: '#d97706' },
+  delete_announcement: { text: '删除公告', bg: '#f1f5f9', color: '#64748b' },
+  update_announcement: { text: '更新公告', bg: '#fffbeb', color: '#d97706' },
+}
+
+function formatTime(iso?: string) {
+  if (!iso) return '—'
+  return new Date(iso).toLocaleString('zh-CN', {
+    month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit',
+  })
+}
+
+/** 示意负载：按分钟轻微波动，非真实监控 */
+function mockLoad(seed: number) {
+  const t = Math.floor(Date.now() / 60000)
+  return 22 + ((t * 7 + seed * 13) % 35)
 }
 
 const Ops = () => {
@@ -42,11 +80,12 @@ const Ops = () => {
   const [saving, setSaving] = useState(false)
   const [form] = Form.useForm()
   const [refreshedAt, setRefreshedAt] = useState(new Date())
+  const [loads, setLoads] = useState({ cpu: 28, mem: 51, disk: 36 })
 
   const loadLogs = async (page = logPage) => {
     setLoadingLogs(true)
     try {
-      const res = await getAdminLogs({ page, pageSize: 8 })
+      const res = await getAdminLogs({ page, pageSize: 10 })
       setLogs(res.list || [])
       setLogTotal(res.total)
     } catch {
@@ -123,143 +162,280 @@ const Ops = () => {
   }
 
   const refreshHealth = () => {
+    setLoads({
+      cpu: mockLoad(1),
+      mem: mockLoad(2),
+      disk: mockLoad(3),
+    })
     setRefreshedAt(new Date())
-    message.success('已刷新状态')
+    loadLogs(logPage)
+    loadAnnouncements()
+    message.success('已刷新')
   }
 
+  const loadItems = [
+    { label: 'CPU', percent: loads.cpu },
+    { label: '内存', percent: loads.mem },
+    { label: '磁盘', percent: loads.disk },
+  ]
+
   return (
-    <div>
-      <h2 className="text-lg font-semibold text-neutral-800 mb-5">系统运维</h2>
-
-      <div className="grid grid-cols-1 lg:grid-cols-2 gap-4 mb-6">
-        <Card
-          title="服务状态看板"
-          className="!rounded-lg"
-          bordered={false}
-          extra={<ReloadOutlined className="cursor-pointer text-neutral-400 hover:text-blue-500" onClick={refreshHealth} />}
+    <div className="h-full flex flex-col min-h-0 overflow-hidden bg-[#f4f6f9]">
+      <header
+        className="shrink-0 px-6 flex items-center justify-between border-b border-neutral-200/80 bg-white/90 backdrop-blur-sm"
+        style={{ height: 'var(--header-height)' }}
+      >
+        <div className="min-w-0">
+          <h1 className="text-[15px] font-semibold text-neutral-900 m-0 tracking-tight">系统运维</h1>
+        </div>
+        <Button
+          icon={<ReloadOutlined />}
+          className="!h-8 !rounded-lg"
+          onClick={refreshHealth}
         >
-          <div className="space-y-3">
-            {services.map(s => (
-              <div key={s.name} className="flex items-center justify-between py-2 px-3 bg-neutral-50 rounded-lg">
-                <span className="text-sm text-neutral-700">{s.name}</span>
-                <Space>
-                  <Badge status={s.status === 'normal' ? 'success' : s.status === 'warning' ? 'warning' : 'error'} />
-                  <Tag color={statusDisplay[s.status].color}>{statusDisplay[s.status].text}</Tag>
-                </Space>
+          刷新
+        </Button>
+      </header>
+
+      <div className="flex-1 min-h-0 overflow-auto">
+        <div className="px-6 py-5 w-full max-w-[1280px] mx-auto flex flex-col gap-5">
+          <p className="text-sm text-neutral-500 m-0">
+            查看服务健康、操作审计与平台公告。负载指标为开发环境示意，生产可对接主机监控。
+            <span className="text-neutral-400 ml-2">
+              更新于 {refreshedAt.toLocaleTimeString('zh-CN')}
+            </span>
+          </p>
+
+          {/* 服务 + 负载 */}
+          <section className="grid grid-cols-1 lg:grid-cols-5 gap-4">
+            <div className="lg:col-span-3 rounded-2xl bg-white border border-neutral-200/80 shadow-[0_1px_2px_rgba(15,23,42,0.04)] p-5">
+              <div className="flex items-center justify-between mb-4">
+                <h2 className="text-[15px] font-semibold text-neutral-900 m-0">服务状态</h2>
+                <span className="text-xs text-emerald-600 font-medium flex items-center gap-1">
+                  <span className="w-1.5 h-1.5 rounded-full bg-emerald-500 animate-pulse" />
+                  全部正常
+                </span>
               </div>
-            ))}
-          </div>
-          <div className="text-xs text-neutral-400 mt-3">
-            健康检查基于进程存活（开发环境示意）· 刷新于 {refreshedAt.toLocaleTimeString('zh-CN')}
-          </div>
-        </Card>
-
-        <Card title="系统负载" className="!rounded-lg" bordered={false}>
-          <div className="space-y-5">
-            {[
-              { type: 'CPU 使用率', percent: 28 },
-              { type: '内存使用率', percent: 51 },
-              { type: '磁盘使用率', percent: 36 },
-            ].map(l => (
-              <div key={l.type}>
-                <div className="flex justify-between text-sm mb-1.5">
-                  <span className="text-neutral-600">{l.type}</span>
-                  <span className={`font-medium ${l.percent > 80 ? 'text-red-500' : l.percent > 60 ? 'text-orange-500' : 'text-green-600'}`}>{l.percent}%</span>
-                </div>
-                <Progress percent={l.percent} showInfo={false} strokeColor={l.percent > 80 ? '#dc2626' : l.percent > 60 ? '#d97706' : '#16a34a'} />
+              <div className="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-3 gap-3">
+                {services.map(s => {
+                  const st = statusUi[s.status]
+                  return (
+                    <div
+                      key={s.name}
+                      className="flex items-center gap-3 p-3 rounded-xl bg-neutral-50/80 border border-neutral-100"
+                    >
+                      <div className="w-9 h-9 rounded-lg bg-white border border-neutral-100 flex items-center justify-center text-neutral-600 shrink-0">
+                        {s.icon}
+                      </div>
+                      <div className="min-w-0 flex-1">
+                        <div className="text-sm font-medium text-neutral-800 truncate">{s.name}</div>
+                        <div className="text-[11px] text-neutral-400 truncate">{s.hint}</div>
+                      </div>
+                      <span className={`shrink-0 inline-flex items-center gap-1 px-2 py-0.5 rounded-full text-[11px] font-medium ${st.bg} ${st.color}`}>
+                        {st.icon}
+                        {st.text}
+                      </span>
+                    </div>
+                  )
+                })}
               </div>
-            ))}
-            <div className="text-xs text-neutral-400 mt-3">负载指标为示意数据，生产环境可对接主机监控。</div>
-          </div>
-        </Card>
-      </div>
-
-      <div className="grid grid-cols-1 lg:grid-cols-2 gap-4">
-        <Card title="操作日志" className="!rounded-lg" bordered={false}>
-          <Table
-            dataSource={logs}
-            rowKey="id"
-            loading={loadingLogs}
-            pagination={{
-              current: logPage,
-              total: logTotal,
-              pageSize: 8,
-              size: 'small',
-              onChange: p => setLogPage(p),
-            }}
-            size="small"
-            locale={{ emptyText: <Empty description="暂无操作日志" /> }}
-            columns={[
-              {
-                title: '时间', dataIndex: 'created_at', key: 'created_at', width: 150,
-                render: (t: string) => <span className="text-xs text-neutral-500">{t ? new Date(t).toLocaleString('zh-CN') : '—'}</span>,
-              },
-              {
-                title: '操作', dataIndex: 'action', key: 'action',
-                render: (a: string) => actionLabel[a] || a,
-              },
-              {
-                title: '详情', dataIndex: 'detail', key: 'detail',
-                render: (d: string) => <span className="text-neutral-500 text-xs">{d}</span>,
-              },
-            ]}
-          />
-        </Card>
-
-        <Card
-          title="平台公告"
-          className="!rounded-lg"
-          bordered={false}
-          extra={<Button type="primary" size="small" icon={<PlusOutlined />} onClick={openCreate}>新建公告</Button>}
-        >
-          {loadingAnn ? (
-            <div className="py-10 text-center"><Spin /></div>
-          ) : announcements.length === 0 ? (
-            <Empty description="暂无公告" />
-          ) : (
-            <div className="space-y-3 max-h-[420px] overflow-auto">
-              {announcements.map(a => (
-                <div key={a.id} className="p-3 border border-neutral-100 rounded-lg">
-                  <div className="flex items-center justify-between mb-1 gap-2">
-                    <span className="text-sm font-medium text-neutral-700 truncate">{a.title}</span>
-                    <Tag color={a.status === 'published' ? 'green' : 'default'} className="text-xs shrink-0">
-                      {a.status === 'published' ? '已发布' : '草稿'}
-                    </Tag>
-                  </div>
-                  <p className="text-xs text-neutral-400 mb-2 line-clamp-2">{a.content || '—'}</p>
-                  <div className="flex items-center justify-between">
-                    <span className="text-xs text-neutral-300">{a.created_at ? new Date(a.created_at).toLocaleString('zh-CN') : '—'}</span>
-                    <Space size={0}>
-                      <Button type="link" size="small" icon={<EditOutlined />} onClick={() => openEdit(a)}>编辑</Button>
-                      <Popconfirm title="确认删除公告？" onConfirm={() => handleDelete(a.id)}>
-                        <Button type="link" size="small" danger icon={<DeleteOutlined />}>删除</Button>
-                      </Popconfirm>
-                    </Space>
-                  </div>
-                </div>
-              ))}
             </div>
-          )}
-        </Card>
+
+            <div className="lg:col-span-2 rounded-2xl bg-white border border-neutral-200/80 shadow-[0_1px_2px_rgba(15,23,42,0.04)] p-5">
+              <h2 className="text-[15px] font-semibold text-neutral-900 m-0 mb-4">资源占用</h2>
+              <div className="space-y-5">
+                {loadItems.map(item => {
+                  const color = item.percent > 80 ? '#dc2626' : item.percent > 60 ? '#d97706' : '#16a34a'
+                  return (
+                    <div key={item.label}>
+                      <div className="flex justify-between text-sm mb-1.5">
+                        <span className="text-neutral-600">{item.label}</span>
+                        <span className="font-semibold tabular-nums" style={{ color }}>{item.percent}%</span>
+                      </div>
+                      <div className="h-2 rounded-full bg-neutral-100 overflow-hidden">
+                        <div
+                          className="h-full rounded-full transition-all duration-500"
+                          style={{ width: `${item.percent}%`, backgroundColor: color }}
+                        />
+                      </div>
+                    </div>
+                  )
+                })}
+              </div>
+              <p className="text-[11px] text-neutral-400 m-0 mt-4">
+                示意数据 · 点击右上角刷新会轻微波动
+              </p>
+            </div>
+          </section>
+
+          {/* 日志 + 公告 */}
+          <section className="grid grid-cols-1 lg:grid-cols-2 gap-4">
+            <div className="rounded-2xl bg-white border border-neutral-200/80 shadow-[0_1px_2px_rgba(15,23,42,0.04)] overflow-hidden flex flex-col min-h-[420px]">
+              <div className="px-5 py-4 border-b border-neutral-100 flex items-center justify-between">
+                <div>
+                  <h2 className="text-[15px] font-semibold text-neutral-900 m-0">操作日志</h2>
+                  <p className="text-xs text-neutral-400 m-0 mt-0.5">平台管理审计记录</p>
+                </div>
+                <span className="text-xs text-neutral-400 tabular-nums">共 {logTotal} 条</span>
+              </div>
+              <div className="flex-1 overflow-auto">
+                {loadingLogs ? (
+                  <div className="py-16 text-center"><Spin /></div>
+                ) : logs.length === 0 ? (
+                  <Empty className="py-12" description="暂无日志" image={Empty.PRESENTED_IMAGE_SIMPLE} />
+                ) : (
+                  <ul className="m-0 p-0 list-none divide-y divide-neutral-50">
+                    {logs.map(log => {
+                      const meta = actionMeta[log.action] || {
+                        text: log.action, bg: '#f1f5f9', color: '#64748b',
+                      }
+                      return (
+                        <li key={log.id} className="px-5 py-3 hover:bg-neutral-50/80">
+                          <div className="flex items-center gap-2 mb-1">
+                            <span
+                              className="inline-flex px-1.5 py-0.5 rounded text-[11px] font-medium"
+                              style={{ backgroundColor: meta.bg, color: meta.color }}
+                            >
+                              {meta.text}
+                            </span>
+                            <span className="text-[11px] text-neutral-400 tabular-nums">
+                              {formatTime(log.created_at)}
+                            </span>
+                          </div>
+                          <p className="text-sm text-neutral-700 m-0 line-clamp-2">{log.detail || '—'}</p>
+                          {log.ip && (
+                            <p className="text-[11px] text-neutral-400 m-0 mt-1 font-mono">{log.ip}</p>
+                          )}
+                        </li>
+                      )
+                    })}
+                  </ul>
+                )}
+              </div>
+              {logTotal > 10 && (
+                <div className="px-4 py-3 border-t border-neutral-100 flex justify-end">
+                  <Pagination
+                    size="small"
+                    current={logPage}
+                    total={logTotal}
+                    pageSize={10}
+                    onChange={p => setLogPage(p)}
+                    showSizeChanger={false}
+                  />
+                </div>
+              )}
+            </div>
+
+            <div className="rounded-2xl bg-white border border-neutral-200/80 shadow-[0_1px_2px_rgba(15,23,42,0.04)] overflow-hidden flex flex-col min-h-[420px]">
+              <div className="px-5 py-4 border-b border-neutral-100 flex items-center justify-between gap-2">
+                <div>
+                  <h2 className="text-[15px] font-semibold text-neutral-900 m-0">平台公告</h2>
+                  <p className="text-xs text-neutral-400 m-0 mt-0.5">面向租户的系统通知</p>
+                </div>
+                <Button
+                  type="primary"
+                  size="small"
+                  icon={<PlusOutlined />}
+                  className="!h-8 !rounded-lg shrink-0"
+                  onClick={openCreate}
+                >
+                  发布公告
+                </Button>
+              </div>
+              <div className="flex-1 overflow-auto p-4">
+                {loadingAnn ? (
+                  <div className="py-16 text-center"><Spin /></div>
+                ) : announcements.length === 0 ? (
+                  <Empty
+                    className="py-12"
+                    description="暂无公告"
+                    image={Empty.PRESENTED_IMAGE_SIMPLE}
+                  >
+                    <Button type="primary" onClick={openCreate}>写第一条公告</Button>
+                  </Empty>
+                ) : (
+                  <div className="space-y-3">
+                    {announcements.map(a => (
+                      <article
+                        key={a.id}
+                        className="rounded-xl border border-neutral-100 bg-neutral-50/50 p-4 hover:border-neutral-200 transition-colors"
+                      >
+                        <div className="flex items-start justify-between gap-2 mb-2">
+                          <h3 className="text-sm font-semibold text-neutral-900 m-0 leading-snug">
+                            {a.title}
+                          </h3>
+                          <span
+                            className={`shrink-0 text-[11px] font-medium px-2 py-0.5 rounded-full ${
+                              a.status === 'published'
+                                ? 'bg-emerald-50 text-emerald-700'
+                                : 'bg-neutral-100 text-neutral-500'
+                            }`}
+                          >
+                            {a.status === 'published' ? '已发布' : '草稿'}
+                          </span>
+                        </div>
+                        <p className="text-[13px] text-neutral-500 m-0 line-clamp-2 leading-relaxed">
+                          {a.content || '—'}
+                        </p>
+                        <div className="flex items-center justify-between mt-3 pt-2 border-t border-neutral-100/80">
+                          <span className="text-[11px] text-neutral-400">
+                            {formatTime(a.created_at)}
+                          </span>
+                          <div className="flex items-center gap-1">
+                            <button
+                              type="button"
+                              onClick={() => openEdit(a)}
+                              className="w-7 h-7 rounded-md flex items-center justify-center text-neutral-400 hover:text-[#2563eb] hover:bg-blue-50 border-0 bg-transparent cursor-pointer"
+                              title="编辑"
+                            >
+                              <EditOutlined className="text-xs" />
+                            </button>
+                            <Popconfirm title="确认删除该公告？" onConfirm={() => handleDelete(a.id)}>
+                              <button
+                                type="button"
+                                className="w-7 h-7 rounded-md flex items-center justify-center text-neutral-400 hover:text-red-500 hover:bg-red-50 border-0 bg-transparent cursor-pointer"
+                                title="删除"
+                              >
+                                <DeleteOutlined className="text-xs" />
+                              </button>
+                            </Popconfirm>
+                          </div>
+                        </div>
+                      </article>
+                    ))}
+                  </div>
+                )}
+              </div>
+            </div>
+          </section>
+        </div>
       </div>
 
       <Modal
-        title={editing ? '编辑公告' : '新建公告'}
+        title={editing ? '编辑公告' : '发布公告'}
         open={modalOpen}
         onCancel={() => setModalOpen(false)}
         onOk={() => form.submit()}
         confirmLoading={saving}
         destroyOnClose
+        okText="保存"
+        width={520}
       >
-        <Form form={form} layout="vertical" onFinish={handleSave} className="mt-2">
-          <Form.Item name="title" label="标题" rules={[{ required: true }, { max: 100 }]}>
-            <Input maxLength={100} />
+        <Form form={form} layout="vertical" onFinish={handleSave} requiredMark={false} className="mt-1">
+          <Form.Item name="title" label="标题" rules={[{ required: true, message: '请输入标题' }, { max: 100 }]}>
+            <Input maxLength={100} size="large" placeholder="公告标题" />
           </Form.Item>
-          <Form.Item name="content" label="内容" rules={[{ required: true }]}>
-            <Input.TextArea rows={4} maxLength={2000} showCount />
+          <Form.Item name="content" label="内容" rules={[{ required: true, message: '请输入内容' }]}>
+            <Input.TextArea rows={5} maxLength={2000} showCount placeholder="公告正文" />
           </Form.Item>
           <Form.Item name="status" label="状态" rules={[{ required: true }]}>
-            <Select options={[{ value: 'draft', label: '草稿' }, { value: 'published', label: '发布' }]} />
+            <Select
+              size="large"
+              options={[
+                { value: 'draft', label: '草稿' },
+                { value: 'published', label: '立即发布' },
+              ]}
+            />
           </Form.Item>
         </Form>
       </Modal>