feat(app): 添加多模板关于我们页面及相关路由和404页面

- 新增404页面，优化未找到页面体验，避免被搜索引擎索引
- 增加文件代理接口，隐藏真实文件服务器地址，支持文件请求代理
- 实现/article、/case、/product及/page动态路由兼容列表与详情展示
- 添加动态CMS页面兼容入口处理旧式路径，统一路由与SEO设置
- 新增模板1、模板7、模板2、模板3关于我们页面，实现多模板支持
- 模板增强支持CMS单页内容加载及SEO信息动态设置
- 配置环境变量及Git忽略文件规则辅助开发和构建环境管理

app/templates/template-02/pages/NewsList.vue

@@ -0,0 +1,191 @@
+<template>
+  <div class="min-h-screen py-16 bg-gray-50">
+    <div class="container mx-auto px-4 sm:px-6 lg:px-8">
+      <div class="text-center mb-12">
+        <h1 class="text-3xl font-bold text-gray-900 mb-4">{{ pageTitle }}</h1>
+        <p class="text-gray-600 max-w-2xl mx-auto">了解企业最新动态与行业资讯</p>
+      </div>
+
+      <div v-if="pending" class="flex justify-center py-12">
+        <SiteLoading />
+      </div>
+      <div v-else-if="error" class="text-center py-12">
+        <SiteError message="获取新闻列表失败" />
+      </div>
+
+      <template v-else>
+        <div v-if="articles.length > 0" class="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
+          <article
+            v-for="item in articles"
+            :key="item.id || item.articleId"
+            class="bg-white rounded-xl overflow-hidden shadow-sm hover:shadow-md transition-shadow"
+          >
+            <NuxtLink :to="`/article/${item.id || item.articleId}`">
+              <div class="aspect-video bg-gray-100 flex items-center justify-center">
+                <img
+                  v-if="item.image || item.cover || item.photo"
+                  :src="fileUrl(item.image || item.cover || item.photo || '')"
+                  :alt="item.title"
+                  class="w-full h-full object-cover"
+                >
+                <span v-else class="text-gray-400">暂无图片</span>
+              </div>
+            </NuxtLink>
+            <div class="p-5">
+              <div class="text-xs text-gray-500 mb-2">
+                {{ formatDate(item.publishTime || item.createTime) }}
+                <span v-if="item.categoryName" class="ml-2 text-[var(--t2-primary)]">{{ item.categoryName }}</span>
+              </div>
+              <h2 class="text-lg font-semibold text-gray-900 mb-2 line-clamp-2 hover:text-[var(--t2-primary)] transition-colors">
+                <NuxtLink :to="`/article/${item.id || item.articleId}`">{{ item.title }}</NuxtLink>
+              </h2>
+              <p class="text-sm text-gray-600 line-clamp-2">{{ stripHtml(item.summary) }}</p>
+            </div>
+          </article>
+        </div>
+
+        <!-- 空状态 -->
+        <div v-else class="text-center py-20">
+          <svg class="w-16 h-16 mx-auto text-gray-300 mb-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h6v4H7V8z" />
+          </svg>
+          <p class="text-gray-500">暂无新闻内容</p>
+        </div>
+
+        <!-- 分页 -->
+        <div v-if="totalPages > 1" class="flex justify-center mt-12">
+          <nav class="flex items-center gap-2">
+            <button
+              v-for="p in totalPages"
+              :key="p"
+              class="px-4 py-2 text-sm rounded-lg transition-colors"
+              :class="p === currentPage
+                ? 'bg-[var(--t2-primary)] text-white'
+                : 'bg-white text-gray-700 hover:bg-[var(--t2-primary-light)]'"
+              @click="currentPage = p"
+            >
+              {{ p }}
+            </button>
+          </nav>
+        </div>
+      </template>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+/**
+ * 模板 1 - 新闻列表页
+ * 从路由参数获取 navigationId，调用 /api/article/list 获取文章列表
+ * 支持两种入口：
+ *   1. /article/:navigationId → CMS 导航路径
+ *   2. /news → 传统路径（自动从 topNavs 中查找 model=article 的栏目）
+ */
+import dayjs from 'dayjs'
+import type { Article, PageResult, ApiEnvelope, CmsNavigation } from '~/types'
+import { collectDescendantNavIds } from '~/utils/nav-tree'
+
+const { allNavigations, fetchSiteInfo } = useSite()
+const { fileUrl } = useFileUrl()
+const route = useRoute()
+
+await fetchSiteInfo()
+
+/** 从路由参数、查询参数或导航中获取栏目 navigationId
+ *
+ * 优先级（2026-07-21 修正）：
+ *   1. route.query.navId（查询参数 ?navId=xxx，优先——导航子分类下拉切换时通过此方式传入，
+ *      必须高于 route.params.id，否则 /article/4277?navId=4278 会因 params.id=4277 先命中而忽略 navId）
+ *   2. route.params.id（路由参数 /article/:navigationId）
+ *   3. navigations 中 model=article 的第一个栏目（兜底）
+ */
+const navigationId = computed<number | undefined>(() => {
+  // 1. 查询参数优先（导航子分类下拉切换时传入）
+  const queryNavId = route.query.navId as string
+  if (queryNavId) {
+    const num = Number(queryNavId)
+    if (!Number.isNaN(num)) return num
+  }
+  // 2. 路由参数
+  const routeId = route.params.id as string
+  if (routeId) {
+    const num = Number(routeId)
+    if (!Number.isNaN(num)) return num
+  }
+  // 3. 兜底：从 navigations 中查找 model=article 的导航
+  const navs = allNavigations.value || []
+  const nav = navs.find((n) => n.model === 'article' || (n.path || '').split('/').filter(Boolean)[0] === 'article')
+  return nav?.navigationId
+})
+
+/** 聚合：父栏目访问时递归收集自身 + 所有后代栏目 navigationId，交给后端 IN 查询 */
+const categoryIds = computed<string | undefined>(() => {
+  const ids = collectDescendantNavIds(navigationId.value, allNavigations.value || [])
+  return ids.length ? ids.join(',') : undefined
+})
+
+/** 页面标题 */
+const pageTitle = computed(() => {
+  const navs = allNavigations.value || []
+  const findNav = (items: CmsNavigation[]): CmsNavigation | undefined => {
+    for (const item of items) {
+      if (item.navigationId === navigationId.value) return item
+      if (item.children?.length) {
+        const found = findNav(item.children)
+        if (found) return found
+      }
+    }
+    return undefined
+  }
+  if (keywords.value) return `搜索："${keywords.value}"`
+  return findNav(navs)?.title || '新闻资讯'
+})
+
+/** 搜索关键词（来自 Header 搜索框提交的 ?keywords=） */
+const keywords = computed(() => ((route.query.keywords as string) || '').trim())
+
+const currentPage = ref(1)
+const limit = 12
+
+// 响应式 query + watch 选项触发翻页/换栏目的重新请求；
+// key 带页码，保证每一页独立缓存、翻页必然重新拉取（避免共用 key 被缓存返回第 1 页）。
+// keywords 变化时同样触发重新请求，关键词搜索忽略栏目、全局检索。
+const { data, pending, error } = await useFetch<
+  ApiEnvelope<PageResult<Article>> | PageResult<Article>
+>('/api/article/list', {
+  key: `news-list-${keywords.value || 'all'}-${categoryIds.value ?? navigationId.value ?? 'default'}-p${currentPage.value}`,
+  query: {
+    categoryIds: keywords.value ? undefined : categoryIds.value,
+    keywords: keywords.value || undefined,
+    page: currentPage,
+    limit
+  },
+  watch: [currentPage, navigationId, categoryIds, keywords]
+})
+
+const articles = computed<Article[]>(() => {
+  const envelope = data.value as ApiEnvelope<PageResult<Article>>
+  const direct = data.value as PageResult<Article>
+  return envelope?.data?.list || direct?.list || []
+})
+
+const totalCount = computed(() => {
+  const envelope = data.value as ApiEnvelope<PageResult<Article>>
+  const direct = data.value as PageResult<Article>
+  return envelope?.data?.count || envelope?.data?.total || direct?.count || direct?.total || 0
+})
+
+const totalPages = computed(() => {
+  return Math.ceil(totalCount.value / limit)
+})
+
+// 栏目切换 / 关键词变化时回到第 1 页（watch 选项已负责重新请求）
+watch([navigationId, keywords], () => {
+  currentPage.value = 1
+})
+
+function formatDate(date?: string) {
+  if (!date) return ''
+  return dayjs(date).format('YYYY-MM-DD')
+}
+</script>