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="bg-white pt-4 pb-2">
+    <div class="t9-container">
+      <div class="relative overflow-hidden group w-full h-[220px] sm:h-[300px] lg:h-[380px] bg-[var(--t9-primary-soft)]">
+        <!-- 轮播图模式 -->
+        <template v-if="bannerMode">
+          <div
+            v-for="(b, i) in banners"
+            :key="b.id || i"
+            class="absolute inset-0 transition-opacity duration-700 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 || siteName" class="w-full h-full object-cover">
+            </a>
+            <img v-else :src="bannerImg(b)" :alt="b.title || siteName" class="w-full h-full object-cover">
+          </div>
+        </template>
+
+        <!-- 无图兜底：墨绿渐变 + 站点标语 -->
+        <template v-else>
+          <div
+            class="absolute inset-0"
+            style="background-image: linear-gradient(120deg, #008960 0%, #00a878 100%)"
+          ></div>
+          <div class="absolute -top-16 -left-10 w-64 h-64 rounded-full bg-white/10 blur-3xl"></div>
+          <div class="absolute -bottom-20 -right-6 w-72 h-72 rounded-full bg-black/10 blur-3xl"></div>
+          <div class="relative z-10 h-full flex flex-col items-center justify-center text-center text-white px-6">
+            <h1 class="text-2xl sm:text-3xl lg:text-4xl font-bold tracking-wide mb-4">{{ heroTitle }}</h1>
+            <p class="text-sm sm:text-base max-w-2xl text-white/90 t9-clamp-2">{{ heroSubtitle }}</p>
+          </div>
+        </template>
+
+        <!-- 左右箭头 -->
+        <button
+          v-if="bannerMode && banners.length > 1"
+          type="button" aria-label="上一张"
+          class="absolute left-0 top-1/2 -translate-y-1/2 w-10 h-16 bg-black/40 hover:bg-black/60 text-white flex items-center justify-center opacity-0 group-hover:opacity-100 transition z-20"
+          @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
+          v-if="bannerMode && banners.length > 1"
+          type="button" aria-label="下一张"
+          class="absolute right-0 top-1/2 -translate-y-1/2 w-10 h-16 bg-black/40 hover:bg-black/60 text-white flex items-center justify-center opacity-0 group-hover:opacity-100 transition z-20"
+          @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（右下角，对齐原站 .dot 样式） -->
+        <div
+          v-if="bannerMode && banners.length > 1"
+          class="absolute bottom-0 left-0 right-0 h-[30px] bg-[#6c7475]/80 flex items-center justify-end pr-4 gap-1.5 z-20"
+        >
+          <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 border border-white transition"
+            :class="i === currentBannerIndex ? 'bg-white' : 'bg-white/40 hover:bg-white/70'"
+            @click="goTo(i)"
+          />
+        </div>
+      </div>
+    </div>
+  </section>
+</template>
+
+<script setup lang="ts">
+/**
+ * 模板 9 - Hero 主视觉区（墨绿文化出版风）
+ *
+ * 对齐原站：1200px 定宽、380px 高的 Banner，右下角灰条 + 白色小圆点指示器。
+ *  - 有轮播图：图片走马灯 + 左右箭头 + 底部指示条；
+ *  - 无轮播图：墨绿渐变 + 站点标语兜底。
+ */
+import type { CmsBanner, ApiEnvelope, PageResult } from '~/types'
+import { ensureFullUrl } from '~/utils/image'
+import { getBannerLink } from '~/utils'
+
+const { siteInfo, siteName, fetchSiteInfo } = useSite()
+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))
+})
+
+/** 是否有轮播图 */
+const bannerMode = computed(() => banners.value.length > 0)
+
+/** 当前帧索引 */
+const currentBannerIndex = ref(0)
+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() })
+
+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） */
+function bannerImg(b: CmsBanner): string {
+  const raw = ensureFullUrl(b.image || b.imageUrl || b.pic || b.url || '')
+  return raw.replace(/resize,w_\d+/, 'resize,w_1600')
+}
+
+/** 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)
+}
+
+const heroTitle = computed(() => siteInfo.value?.slogan || siteName.value || '欢迎来到我们的官网')
+const heroSubtitle = computed(() => siteInfo.value?.comments || '专注内容出版与文化传播，用好书连接读者与世界。')
+</script>