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
2026-09-08 12:13:44 +08:00
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+<template>
+  <section class="relative overflow-hidden text-white group">
+    <!-- 模式 B：有轮播图且后台开启 Banner 轮播 → 轮播图作为全屏背景 + 暗色蒙版 -->
+    <template v-if="bannerMode">
+      <div class="absolute inset-0 z-0">
+        <!-- 轮播图（绝对定位叠放，靠 opacity 交叉淡入） -->
+        <div
+          v-for="(b, i) in banners"
+          :key="b.id || i"
+          class="absolute inset-0 transition-opacity duration-1000 ease-in-out"
+          :class="i === currentBannerIndex ? 'opacity-100' : 'opacity-0 pointer-events-none'"
+        >
+          <a
+            v-if="bannerLink(b)"
+            :href="bannerLink(b)"
+            target="_blank"
+            rel="noopener"
+            class="block w-full h-full"
+          >
+            <img
+              :src="bannerImg(b)"
+              :alt="b.title || ''"
+              class="w-full h-full object-cover"
+            >
+          </a>
+          <img
+            v-else
+            :src="bannerImg(b)"
+            :alt="b.title || ''"
+            class="w-full h-full object-cover"
+          >
+        </div>
+        <!-- 品牌蓝蒙版（左重右轻） -->
+        <div class="absolute inset-0 bg-gradient-to-r from-[#0d4fb8]/45 via-[#1a6dff]/30 to-[#1a6dff]/18 pointer-events-none" />
+      </div>
+    </template>
+
+    <!-- 模式 A：无轮播图 → 蓝渐变 + 柔光球装饰（原方案兜底） -->
+    <template v-else>
+      <div class="absolute inset-0 z-0 bg-gradient-to-br from-[#1a6dff] to-[#0d4fb8] anim-gradient" />
+      <div class="anim-blob w-72 h-72 bg-white/25 -top-16 -left-10" />
+      <div class="anim-blob anim-blob--2 w-80 h-80 bg-sky-300/30 -bottom-24 right-0" />
+    </template>
+
+    <!-- 左右箭头（多图时，hover 显示） -->
+    <template v-if="bannerMode && banners.length > 1">
+      <button
+        type="button"
+        aria-label="上一张"
+        class="absolute left-3 top-1/2 -translate-y-1/2 w-10 h-10 rounded-full bg-black/30 hover:bg-black/50 text-white flex items-center justify-center opacity-0 group-hover:opacity-100 transition z-30"
+        @click="prev"
+      >
+        <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7" />
+        </svg>
+      </button>
+      <button
+        type="button"
+        aria-label="下一张"
+        class="absolute right-3 top-1/2 -translate-y-1/2 w-10 h-10 rounded-full bg-black/30 hover:bg-black/50 text-white flex items-center justify-center opacity-0 group-hover:opacity-100 transition z-30"
+        @click="next"
+      >
+        <svg class="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
+        </svg>
+      </button>
+
+      <!-- 指示点 -->
+      <div class="absolute bottom-5 left-1/2 -translate-x-1/2 flex gap-2 z-30">
+        <button
+          v-for="(b, i) in banners"
+          :key="'dot-' + (b.id || i)"
+          type="button"
+          :aria-label="'切换到第 ' + (i + 1) + ' 张'"
+          class="w-2.5 h-2.5 rounded-full transition"
+          :class="i === currentBannerIndex ? 'bg-white scale-110' : 'bg-white/50 hover:bg-white/80'"
+          @click="goTo(i)"
+        />
+      </div>
+    </template>
+
+    <!-- 内容层（不使用 :key remount，靠 watch+transition 切换文案） -->
+    <div class="container mx-auto px-4 sm:px-6 lg:px-8 relative z-20 py-20 lg:py-28 pointer-events-none">
+      <div class="grid lg:grid-cols-2 gap-12 items-center w-full">
+        <div class="max-w-2xl transition-opacity duration-500 ease-in-out" :class="{ 'opacity-0': textFading }">
+          <h1
+            class="text-3xl sm:text-4xl lg:text-5xl font-bold leading-tight mb-6"
+            data-reveal
+          >
+            {{ heroTitle }}
+          </h1>
+          <p
+            class="text-base sm:text-lg text-blue-100 mb-8 leading-relaxed"
+            data-reveal
+            data-reveal-delay="120"
+          >
+            {{ heroSubtitle }}
+          </p>
+          <div class="flex flex-wrap gap-4" data-reveal data-reveal-delay="240">
+            <button
+              type="button"
+              class="inline-flex items-center justify-center px-6 py-3 bg-white text-blue-600 font-semibold rounded-lg hover:bg-blue-50 transition-colors anim-shimmer pointer-events-auto"
+              @click="openConsult()"
+            >
+              免费咨询
+            </button>
+            <NuxtLink
+              v-if="newsNav"
+              :to="newsLink"
+              class="inline-flex items-center justify-center px-6 py-3 border-2 border-white text-white font-semibold rounded-lg hover:bg-white/10 transition-colors pointer-events-auto"
+            >
+              查看动态
+            </NuxtLink>
+          </div>
+        </div>
+
+        <div v-if="showHeroFeatures" class="hidden lg:flex justify-center" data-reveal data-reveal-delay="360">
+          <div class="relative w-full max-w-lg">
+            <div class="absolute inset-0 bg-white/10 rounded-3xl transform rotate-3" />
+            <div class="relative bg-white/20 backdrop-blur-sm rounded-3xl p-8 border border-white/20">
+              <div class="space-y-4">
+                <div v-for="feature in features" :key="feature" class="flex items-center gap-3">
+                  <div class="w-10 h-10 rounded-full bg-white/20 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="M5 13l4 4L19 7" />
+                    </svg>
+                  </div>
+                  <span class="text-blue-50">{{ feature }}</span>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </section>
+</template>
+
+<script setup lang="ts">
+/**
+ * 模板 1 - Hero 主视觉区（支持 CMS 轮播图作为背景 + 文案跟随切换）
+ *
+ * 数据源：GET /api/banner?position=home_slider（代理 cms_banner_group 表）。
+ * 双模式二选一：
+ *  - 有轮播图：图片作为全屏背景 + 品牌蓝蒙版 + 左侧文案(从 banner.title/subtitle 取)/按钮/右侧特性卡片 +
+ *    自动轮播(5s) + 左右箭头/指示点；轮播切换时文案淡入淡出过渡；
+ *  - 无轮播图：回退到原蓝渐变 + 柔光球方案。
+ *
+ * 文案优先级：当前 banner 的 title/subtitle → siteInfo.slogan/comments → siteName 拼接 → 硬编码兜底。
+ * 即使某张 banner 未配文案也不会出现空白。
+ */
+import type { CmsNavigation, CmsBanner, ApiEnvelope, PageResult } from '~/types'
+import { ensureFullUrl } from '~/utils/image'
+import { getNavLink, getBannerLink } from '~/utils'
+
+interface Props {
+  /** 是否启用 Banner 轮播背景；false 时即使有轮播图也回退到蓝渐变 */
+  showBanner?: boolean
+  /** 是否显示首屏右侧特性卡片 */
+  showHeroFeatures?: boolean
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  showBanner: true,
+  showHeroFeatures: true
+})
+
+const { siteInfo, siteName, navigations, fetchSiteInfo } = useSite()
+const { openConsult } = useConsult()
+
+await fetchSiteInfo()
+
+/** 轮播图数据（SSR 预取，首屏即有） */
+const { data: bannerRes } = await useFetch<ApiEnvelope<PageResult<CmsBanner>> | PageResult<CmsBanner>>('/api/banner', {
+  query: { position: 'home_slider' }
+})
+const banners = computed<CmsBanner[]>(() => {
+  const d = bannerRes.value as (ApiEnvelope<PageResult<CmsBanner>> | PageResult<CmsBanner>) | null
+  if (!d) return []
+  const list = ((d as ApiEnvelope<PageResult<CmsBanner>>)?.data?.list
+    ?? (d as PageResult<CmsBanner>)?.list
+    ?? []) as CmsBanner[]
+  return list
+    .filter((b) => hasImage(b) && b.deleted !== 1 && b.status !== 2)
+    .sort((a, b) => (a.sortNum ?? 0) - (b.sortNum ?? 0))
+})
+
+/** 是否进入轮播图模式：有可用轮播图且后台开启 Banner 轮播开关 */
+const bannerMode = computed(() => props.showBanner && banners.value.length > 0)
+
+/** 当前帧索引 */
+const currentBannerIndex = ref(0)
+
+/** 文案淡出/淡入控制（watch currentBannerIndex 触发，不用 :key remount） */
+const textFading = ref(false)
+let fadeTimer: ReturnType<typeof setTimeout> | null = null
+
+watch(currentBannerIndex, () => {
+  // 先淡出 → 等 300ms 文案已更新 → 再淡入
+  textFading.value = true
+  clearTimeout(fadeTimer!)
+  fadeTimer = setTimeout(() => {
+    textFading.value = false
+  }, 300)
+})
+
+let bannerTimer: ReturnType<typeof setInterval> | null = null
+
+function startAuto() {
+  if (banners.value.length > 1) {
+    bannerTimer = setInterval(() => {
+      currentBannerIndex.value = (currentBannerIndex.value + 1) % banners.value.length
+    }, 5000)
+  }
+}
+function stopAuto() {
+  if (bannerTimer) { clearInterval(bannerTimer); bannerTimer = null }
+}
+
+onMounted(() => { startAuto() })
+onBeforeUnmount(() => { stopAuto(); clearTimeout(fadeTimer!) })
+
+function prev() {
+  const n = banners.value.length
+  currentBannerIndex.value = (currentBannerIndex.value - 1 + n) % n
+}
+function next() {
+  const n = banners.value.length
+  currentBannerIndex.value = (currentBannerIndex.value + 1) % n
+}
+function goTo(i: number) {
+  currentBannerIndex.value = i
+}
+
+/** 取轮播图地址（兼容 image/imageUrl/pic/url，并提升 OSS 压缩宽度防大屏发虚） */
+function bannerImg(b: CmsBanner): string {
+  const raw = ensureFullUrl(b.image || b.imageUrl || b.pic || b.url || '')
+  return raw.replace(/resize,w_\d+/, 'resize,w_1920')
+}
+
+/** 取轮播图跳转链接（统一走 utils.getBannerLink，兼容 link/linkUrl/link_url 多字段名） */
+function bannerLink(b: CmsBanner): string {
+  return getBannerLink(b)
+}
+
+/** 是否有可用图片 */
+function hasImage(b: CmsBanner): boolean {
+  return !!(b.image || b.imageUrl || b.pic || b.url)
+}
+
+/** 当前活跃的轮播项 */
+const currentBanner = computed<CmsBanner | undefined>(() => banners.value[currentBannerIndex.value])
+
+/**
+ * 标题：优先取当前 banner 的 title；
+ * 无值时回退 siteInfo.slogan → siteName 拼接 → 硬编码兜底。
+ * 保证任何情况下都不为空。
+ */
+const heroTitle = computed(() => {
+  const bt = currentBanner.value?.title
+  if (bannerMode.value && bt && bt.trim()) {
+    return bt.trim()
+  }
+  return (siteInfo.value?.slogan?.trim())
+    || (siteName.value ? `欢迎来到 ${siteName.value}` : '专注企业数字化官网建设')
+})
+
+/**
+ * 副标题：优先取当前 banner 的 subtitle；
+ * 无值时回退 siteInfo.comments → 硬编码兜底。
+ * 保证任何情况下都不为空。
+ */
+const heroSubtitle = computed(() => {
+  const bs = currentBanner.value?.subtitle
+  if (bannerMode.value && bs && bs.trim()) {
+    return bs.trim()
+  }
+  return (siteInfo.value?.comments?.trim())
+    || '快速搭建品牌展示、产品发布与客户咨询一体化官网，助力企业数字化转型与业务增长。'
+})
+
+const newsNav = computed<CmsNavigation | undefined>(() => {
+  const navs = navigations.value || []
+  return navs.find((n) => n.model === 'article')
+})
+
+/** 「查看动态」按钮链接：走标准 getNavLink 优先级（url > path），不硬编码 */
+const newsLink = computed(() => getNavLink(newsNav.value))
+
+/** 右侧特性卡片文案：优先读后台 setting.features.heroFeatures，未配置回退模板默认值 */
+const { heroFeatures } = useFeatures([])
+const features = computed<string[]>(() => {
+  const hf = heroFeatures.value
+  if (Array.isArray(hf) && hf.length) return hf
+  return [
+    '多模板一键切换',
+    '响应式多端适配',
+    'SEO/GEO 友好',
+    '独立域名绑定'
+  ]
+})
+</script>