feat: 更新网站页面和组件，新增多个页面（关于、专家、会员、政策等）

app/pages/experts/apply.vue

@@ -0,0 +1,10 @@
+<template>
+  <SectionStub title="专家申请" description="在线提交专家入库申请并上传材料，进入审核与归档流程。" />
+</template>
+
+<script setup lang="ts">
+import SectionStub from '@/components/SectionStub.vue'
+import { usePageSeo } from '@/composables/usePageSeo'
+usePageSeo({ title: '专家申请', description: '专家智库平台 - 专家申请。', path: '/experts/apply' })
+</script>
+

app/pages/experts/db.vue

@@ -0,0 +1,10 @@
+<template>
+  <SectionStub title="智库专家库" description="按学科领域与研究方向检索专家，支持匹配推荐与联系对接。" />
+</template>
+
+<script setup lang="ts">
+import SectionStub from '@/components/SectionStub.vue'
+import { usePageSeo } from '@/composables/usePageSeo'
+usePageSeo({ title: '智库专家库', description: '专家智库平台 - 智库专家库。', path: '/experts/db' })
+</script>
+

app/pages/experts/index.vue

@@ -0,0 +1,21 @@
+<template>
+  <SectionStub
+    title="专家智库平台"
+    description="建设多学科专家库，支持分类检索、专家匹配与成果展示。"
+    :links="links"
+  />
+</template>
+
+<script setup lang="ts">
+import SectionStub from '@/components/SectionStub.vue'
+import { usePageSeo } from '@/composables/usePageSeo'
+usePageSeo({ title: '专家智库平台', description: '专家智库平台入口。', path: '/experts' })
+
+const links = [
+  { label: '智库专家库', to: '/experts/db', desc: '分类检索与专家匹配' },
+  { label: '专家风采', to: '/experts/style', desc: '访谈、观点集锦与成果展示' },
+  { label: '专家申请', to: '/experts/apply' },
+  { label: '资料下载', to: '/downloads' }
+]
+</script>
+

app/pages/experts/style.vue

@@ -0,0 +1,10 @@
+<template>
+  <SectionStub title="专家风采" description="展示专家访谈、观点集锦与代表性研究成果。" />
+</template>
+
+<script setup lang="ts">
+import SectionStub from '@/components/SectionStub.vue'
+import { usePageSeo } from '@/composables/usePageSeo'
+usePageSeo({ title: '专家风采', description: '专家智库平台 - 专家风采。', path: '/experts/style' })
+</script>
+