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-07/components/Footer.vue

@@ -0,0 +1,178 @@
+<template>
+  <footer class="bg-gray-900 text-gray-300">
+    <div class="container mx-auto px-4 sm:px-6 lg:px-8 py-12 lg:py-16">
+      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-12 gap-8 lg:gap-12">
+        <!-- 公司信息 -->
+        <div class="lg:col-span-3">
+          <SiteBrand
+            link-class="mb-4"
+            :logo="siteLogo"
+            :icon="siteIcon"
+            :name="siteName"
+            logo-class="h-8 w-auto max-w-[200px] object-contain"
+            icon-class="h-6 w-auto object-contain"
+            name-class="text-lg font-bold text-white"
+          >
+            <template #fallback-icon>
+              <div class="w-8 h-8 rounded-lg bg-blue-600 flex items-center justify-center">
+                <svg class="w-5 h-5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4" />
+                </svg>
+              </div>
+            </template>
+          </SiteBrand>
+          <p v-if="slogan" class="text-sm text-gray-400 mb-3">{{ slogan }}</p>
+          <p class="text-sm text-gray-400 leading-relaxed">
+            {{ siteInfo?.comments || siteInfo?.content || '专注企业数字化官网建设，助力品牌增长。' }}
+          </p>
+        </div>
+
+        <!-- 导航分组（支持二级：父级标题 + 子级链接） -->
+        <div class="lg:col-span-4">
+          <div class="grid grid-cols-2 gap-x-6 gap-y-8">
+            <div v-for="group in footerGroups" :key="group.key">
+              <h4 class="text-white font-semibold mb-4">
+                <span
+                  v-if="group.parentLink"
+                  :to="group.parentLink"
+                  :target="group.target === '_blank' ? '_blank' : undefined"
+                  class="text-white"
+                >
+                  {{ group.title }}
+                </span>
+                <template v-else>{{ group.title }}</template>
+              </h4>
+              <ul v-if="group.hasChildren" class="space-y-2">
+                <li v-for="link in group.links" :key="link.key">
+                  <NuxtLink
+                    :to="getNavLink(link)"
+                    :target="link.target === '_blank' ? '_blank' : undefined"
+                    class="text-sm text-gray-400 hover:text-white transition-colors"
+                  >
+                    {{ link.title }}
+                  </NuxtLink>
+                </li>
+              </ul>
+            </div>
+          </div>
+        </div>
+
+        <!-- 联系方式 -->
+        <div class="lg:col-span-3">
+          <h4 class="text-white font-semibold mb-4">联系我们</h4>
+          <ul class="space-y-2 text-sm text-gray-400">
+            <li v-if="phone">
+              <span class="text-gray-500">电话：</span>{{ phone }}
+            </li>
+            <li v-if="email">
+              <span class="text-gray-500">邮箱：</span>{{ email }}
+            </li>
+            <li v-if="officialWebsite">
+              <span class="text-gray-500">官网：</span>
+              <a :href="officialWebsiteUrl" target="_blank" rel="nofollow" class="hover:text-white transition-colors">{{ officialWebsite }}</a>
+            </li>
+            <li v-if="address" class="leading-relaxed">
+              <span class="text-gray-500">地址：</span>{{ address }}
+            </li>
+          </ul>
+        </div>
+
+        <!-- 微信二维码 + 社交链接 -->
+        <div v-if="wxQrcode || socialLinks.length" class="lg:col-span-2">
+          <h4 class="text-white font-semibold mb-4">关注我们</h4>
+          <div v-if="wxQrcode" class="bg-white rounded-lg p-3 inline-block">
+            <img :src="wxQrcode" alt="微信二维码" class="w-28 h-28 object-contain">
+          </div>
+          <p v-if="wxQrcode" class="text-xs text-gray-500 mt-2">{{ siteConfig?.wxQrcodeText || '扫码关注' }}</p>
+          <div v-if="socialLinks.length" class="mt-3 flex flex-col gap-1">
+            <a
+              v-for="link in socialLinks"
+              :key="link.url"
+              :href="link.url"
+              target="_blank"
+              rel="nofollow"
+              class="text-sm text-gray-400 hover:text-white transition-colors"
+            >
+              {{ link.name || link.type }}
+            </a>
+          </div>
+        </div>
+      </div>
+
+      <div class="border-t border-gray-800 mt-12 pt-8 flex flex-col sm:flex-row items-center justify-between gap-4">
+        <p class="text-sm text-gray-500">
+          {{ copyright || `© ${new Date().getFullYear()} ${siteName || '企业官网'} 版权所有` }}
+        </p>
+        <div class="flex items-center gap-4">
+          <p v-if="icpNo" class="text-sm text-gray-500">
+            {{ icpNo }}
+          </p>
+          <p v-if="siteInfo?.policeNo" class="text-sm text-gray-500">
+            {{ siteInfo.policeNo }}
+          </p>
+          <div class="flex items-center gap-2 text-xs">
+            <span class="text-gray-500">Powered by</span>
+            <a
+              rel="nofollow"
+              href="https://site.websoft.top"
+              target="_blank"
+              class="text-gray-500 hover:text-gray-200 transition-colors"
+            >云·企业官网</a>
+          </div>
+        </div>
+      </div>
+    </div>
+  </footer>
+</template>
+
+<script setup lang="ts">
+/**
+ * 模板 7 - Footer 组件
+ * 使用 useSite 的 bottomNavigations（top!==1 的页脚链接）渲染导航。
+ * 支持二级导航：每个顶级栏目作为分组标题，其 children 作为子链接渲染在标题下方；
+ * 若栏目无子级，则该栏目自身作为单独链接展示（无二级时不退化、不报错）。
+ */
+import type { CmsNavigation } from '~/types'
+
+const {
+  siteInfo, siteName, siteLogo, siteIcon, siteConfig,
+  bottomNavigations, phone, email, address, icpNo, copyright,
+  wxQrcode, slogan, officialWebsite, officialWebsiteUrl, socialLinks
+} = useSite()
+
+interface FooterGroup {
+  key: string | number
+  title: string
+  /** 父级可点击链接（父级自身有 path/url 时存在；无子级时即为该栏目链接） */
+  parentLink: string | null
+  /** 是否渲染子级列表 */
+  hasChildren: boolean
+  /** 子级链接（无子级时为 [父级自身]） */
+  links: CmsNavigation[]
+  /** 父级打开方式 */
+  target?: string
+}
+
+function navKey(nav: CmsNavigation): string | number {
+  return nav.navigationId ?? nav.path ?? nav.pagePath ?? nav.title ?? Math.random()
+}
+
+/** 页脚导航分组：将 bottomNavigations 整理为「父级标题 + 子级链接」结构 */
+const footerGroups = computed<FooterGroup[]>(() => {
+  const navs = bottomNavigations.value || []
+  return navs
+    .filter((nav) => nav.model !== 'index')
+    .map((nav) => {
+      const children = nav.children && nav.children.length ? nav.children : null
+      const hasOwnLink = !!(nav.path || nav.url || nav.pagePath)
+      return {
+        key: navKey(nav),
+        title: nav.title || '',
+        parentLink: hasOwnLink ? getNavLink(nav) : null,
+        hasChildren: !!children,
+        links: children || [nav],
+        target: nav.target
+      }
+    })
+})
+</script>