页脚改版：删掉重复的导航栏，桌面补站点信息；我的介绍可点去关于页

页脚「导航」栏
- 它是顶部导航的逐项复制（9 条名字和目标完全一样），手机上白占 312px
- 已整栏删除；桌面端改用「最新文章」（最近 4 篇，按发布时间倒序，
  不把置顶提前），把重复变成发现
- 手机端「最新文章」隐藏（上面就是文章列表，再列一遍没意义）
- 不影响 SEO：顶部导航 hidden md:flex 和移动端菜单里的同一批链接
  在每页 HTML 里都还在，爬虫照样抓得到

站点信息（新增）
- 新增 src/lib/site-stats.ts：文章数/偶得数/分类数/标签数/总字数
  在构建期算；「已运行 N 天」「最近更新」由页脚内联脚本按真实时间刷新，
  避免站点久不重建时数字停在构建那天；服务端先渲染构建时兜底值，关 JS 不空
- 页脚加一条站点信息带：建站时间 / 已运行 / 文章 / 偶得 / 总字数 / 最近更新
  桌面 6 列一行，手机 3 列两行
- 实测数值：2026-07-17 建站、已运行 60 天、30 篇文章、8 条偶得、
  2.9 万字、最近更新 59 天前

「我的介绍」跳关于页
- 页脚 BRAND 栏整块包 <a href="/about/">，加 hover 反馈（头像描边转主色、
  站名转主色、右上箭头位移）和常显的「关于我 →」提示（手机没有 hover，
  不能只在 hover 才出现）
- 侧栏作者卡片同样处理。注意这里**只包到签名那一段** —— 下面的社交图标
  本身是 <a>，<a> 不能嵌套 <a>；页脚 BRAND 栏没有嵌套链接，所以可以整块包
- 两处都给 aria-label，避免读屏把「头像 alt + 站名 + 签名」念成链接名

工程改动
- footer.tsx -> footer.astro：React 组件不能在构建期 await 统计数据，
  换成 Astro 组件后可以直接取；12 处引用同步改成默认导入
- README 补「页脚」一节，并修正组件路径

验证（headless Chrome 131，禁用缓存）
- 桌面 1280：页脚 529px，三栏（我的介绍/最新文章/联系）+ 站点信息 + 底栏，
  页脚内 nav 链接数 0，无横向溢出
- 手机 390：页脚 822px（原 957），最新文章 display:none，三栏只剩两栏
- 点页脚「我的介绍」-> /about/；点侧栏作者卡片 -> /about/，均正常
- 页面内 `a a` 嵌套数量：页脚 0、侧栏 0

README.md

@@ -168,7 +168,7 @@ epigraph: 题记             # 可选
 | 评论（twikoo） | `src/data/comments.ts` |
 | 友链列表 | `src/data/friends.json` |
 | 首页打字机文案 | `src/components/hero.tsx` 顶部的 `phrases` |
-| 导航栏、页脚 | `src/components/site-header.astro`、`src/components/footer.tsx` |
+| 导航栏、页脚 | `src/components/site-header.astro`、`src/components/footer.astro` |
 | 配色与全局样式 | `src/styles/global.css` |
 | 代码块主题 | `astro.config.mjs` 里 `expressiveCode` 的 `themes` |
 | 免责声明模板 | `src/data/disclaimers.ts` |
@@ -233,6 +233,29 @@ prose-p:leading-[1.78] md:prose-p:leading-[1.85]
 
 `--header-h: 69px` 是固定页眉的实测高度，移动端菜单和这条胶囊条都靠它定位。**改页眉内边距或头像尺寸时记得同步改它**，否则吸附位置会错。
 
+### 页脚
+
+`src/components/footer.astro`（原来是个 React 组件 `footer.tsx`，为了能在构建期 `await` 统计数据改成了 Astro 组件；引用方式随之从 `import { Footer } from "@/components/footer"` 变成 `import Footer from "@/components/footer.astro"`）。
+
+结构：
+
+| 区块 | 内容 | 显示范围 |
+|---|---|---|
+| 我的介绍 | 头像 + 站名 + 签名，**整块可点去 `/about/`** | 全部 |
+| 最新文章 | 最近 4 篇（按发布时间倒序，不把置顶提前） | 桌面 |
+| 联系 | 社交图标 + 订阅 RSS | 全部 |
+| 站点信息 | 建站时间 / 已运行 / 文章 / 偶得 / 总字数 / 最近更新 | 全部（想只在桌面显示就给它加 `hidden md:grid`） |
+| 底栏 | 版权 / 备案 / 主题署名 | 全部 |
+
+**原来的「导航」栏已删除** —— 它是顶部导航的逐项复制（9 条名字和目标完全一样），手机上白占 312px。桌面端改用「最新文章」，把重复变成发现。不影响 SEO：顶部导航和移动端菜单里的链接在每页 HTML 里都还在。
+
+两点需要注意：
+
+- **「我的介绍」整块包 `<a>` 是合法的**，因为这一块里没有别的链接。但**侧栏的作者卡片不行** —— 它下面有社交图标（本身是 `<a>`），`<a>` 不能嵌套。所以那里只包到签名那一段。
+- 整块链接要给 `aria-label`，否则读屏会把「头像 alt + 站名 + 签名」整段念成链接名。
+
+统计数据在 `src/lib/site-stats.ts`：文章数/偶得数/分类数/标签数/总字数在构建时算，「已运行 N 天」和「最近更新」由页脚里的内联脚本按**真实时间**刷新（站点久不重建也不会停在构建那天），服务端会先渲染一份构建时兜底值，关 JS 也不空。加减统计项改 `footer.astro` 里的 `statCells` 数组即可。
+
 ### 磨砂玻璃
 
 `global.css` 里有四个 token：

src/components/bookshelf-content.astro

@@ -1,6 +1,6 @@
 ---
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { cn } from "@/lib/utils"
 import booksData from "../../public/data/books.json"
 import comicsData from "../../public/data/comics.json"

src/components/footer.astro

@@ -0,0 +1,188 @@
+---
+import type { ComponentType, SVGProps } from "react"
+import { ArrowRight, Github, Mail, Music, Rss } from "lucide-react"
+import { QqIcon } from "@/components/icons/qq-icon"
+import { profile, type ExternalProfileLink, type ExternalProfileLinkType } from "@/data/profile"
+import { site } from "@/data/site"
+import { formatWords, getSiteStats } from "@/lib/site-stats"
+
+const iconMap: Record<ExternalProfileLinkType, ComponentType<SVGProps<SVGSVGElement>>> = {
+  qq: QqIcon,
+  music: Music,
+  github: Github,
+  email: Mail,
+}
+
+const stats = await getSiteStats()
+const contactLinks = profile.links.filter(
+  (link): link is ExternalProfileLink => link.type !== "wechat",
+)
+
+const statCells = [
+  { label: "建站时间", value: stats.startDate, live: undefined },
+  { label: "已运行", value: String(stats.runningDays), unit: "天", live: "running-days" },
+  { label: "文章", value: String(stats.postCount), unit: "篇", live: undefined },
+  { label: "偶得", value: String(stats.thoughtCount), unit: "条", live: undefined },
+  { label: "总字数", value: formatWords(stats.totalWords), unit: "字", live: undefined },
+  { label: "最近更新", value: stats.lastUpdatedText, live: "last-update" },
+]
+---
+
+<footer class="border-t border-border/50 bg-background">
+  <div class="max-w-6xl mx-auto px-6 py-16">
+    <div class="grid gap-12 md:grid-cols-3">
+      {/*
+        我的介绍：整块可点去关于页（这里没有嵌套链接，所以整块包 <a> 是合法的）。
+        aria-label 是为了不让读屏把头像 alt + 站名 + 签名全念成链接名。
+      */}
+      <a href="/about/" class="group block" aria-label={`关于 ${profile.name}`}>
+        <div class="flex items-center gap-3 mb-4">
+          <div class="w-8 h-8 rounded-full overflow-hidden border border-primary/20 bg-secondary transition-colors duration-200 group-hover:border-primary/60">
+            <img
+              src={profile.avatar}
+              alt={profile.name}
+              loading="lazy"
+              decoding="async"
+              class="w-full h-full object-cover"
+            />
+          </div>
+          <span class="text-foreground font-medium transition-colors duration-200 group-hover:text-primary">
+            {site.name}
+          </span>
+        </div>
+        <p class="text-muted-foreground text-sm leading-relaxed">{profile.bio}</p>
+        <span class="mt-3 inline-flex items-center gap-1 text-xs text-muted-foreground transition-colors duration-200 group-hover:text-primary">
+          关于我
+          <ArrowRight class="w-3 h-3 transition-transform duration-200 group-hover:translate-x-0.5" />
+        </span>
+      </a>
+
+      {/*
+        最新文章：手机端上面就是文章列表，再列一遍没意义，所以只在 md 以上显示。
+        页脚原来那栏「导航」是顶部导航的逐项复制（9 条完全一样），已删掉。
+      */}
+      <div class="hidden md:block md:justify-self-center">
+        <h4 class="text-sm font-medium text-foreground mb-4 uppercase tracking-wide">最新文章</h4>
+        <ul class="flex flex-col gap-3">
+          {stats.latestPosts.map((post) => (
+            <li>
+              <a
+                href={post.href}
+                class="group flex items-baseline gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors duration-200"
+              >
+                <span class="tabular-nums text-xs text-muted-foreground/70 shrink-0">{post.date.slice(5)}</span>
+                <span class="line-clamp-1 transition-colors duration-200 group-hover:text-primary">{post.title}</span>
+              </a>
+            </li>
+          ))}
+        </ul>
+      </div>
+
+      <div class="md:justify-self-end">
+        <h4 class="text-sm font-medium text-foreground mb-4 uppercase tracking-wide">联系</h4>
+        <div class="flex items-center gap-4">
+          {contactLinks.map((link) => {
+            const Icon = iconMap[link.type]
+            return (
+              <a
+                href={link.url}
+                target="_blank"
+                rel="noreferrer"
+                class="w-10 h-10 rounded-full border border-border flex items-center justify-center text-muted-foreground hover:text-foreground hover:border-primary/50 transition-all duration-200"
+                aria-label={link.name}
+              >
+                <Icon className="w-4 h-4" />
+              </a>
+            )
+          })}
+        </div>
+        <p class="text-muted-foreground text-sm mt-6">通过 RSS 订阅，获取最新文章更新。</p>
+        <a
+          href="/rss.xml"
+          target="_blank"
+          rel="noreferrer"
+          class="mt-3 inline-flex items-center gap-2 px-4 py-2 bg-primary text-primary-foreground text-sm font-medium rounded-lg hover:opacity-90 transition-opacity duration-200"
+        >
+          <Rss className="w-4 h-4" />
+          订阅 RSS
+        </a>
+      </div>
+    </div>
+
+    {/* 站点信息：桌面 6 列一行，手机 3 列两行 */}
+    <div class="mt-14 pt-8 border-t border-border/50 grid grid-cols-3 gap-x-4 gap-y-6 md:grid-cols-6">
+      {statCells.map((cell) => (
+        <div>
+          <div class="text-xs text-muted-foreground mb-1.5">{cell.label}</div>
+          <div class="text-foreground font-medium tabular-nums">
+            <span data-stat={cell.live}>{cell.value}</span>
+            {cell.unit && <span class="text-xs text-muted-foreground ml-0.5">{cell.unit}</span>}
+          </div>
+        </div>
+      ))}
+    </div>
+
+    {/* Bottom */}
+    <div class="mt-10 pt-8 border-t border-border/50 grid gap-4 md:grid-cols-3">
+      <p class="text-muted-foreground text-sm">
+        © {site.startDate.slice(0, 4)} {profile.name}. All rights reserved.
+      </p>
+      <div class="flex flex-wrap items-center gap-x-4 gap-y-2 md:justify-center">
+        <a
+          href="https://beian.miit.gov.cn/"
+          target="_blank"
+          rel="noreferrer"
+          class="text-muted-foreground text-xs hover:text-foreground transition-colors duration-200"
+        >
+          陇ICP备2026007748号
+        </a>
+        <a
+          href="https://beian.mps.gov.cn/#/query/webSearch?code=62070202000904"
+          target="_blank"
+          rel="noreferrer"
+          class="inline-flex items-center gap-1 text-muted-foreground text-xs hover:text-foreground transition-colors duration-200"
+        >
+          <img src="/images/beian.png" alt="公安备案" class="h-3.5 w-auto shrink-0" />
+          甘公网安备62070202000904号
+        </a>
+      </div>
+      <a
+        href="https://github.com/Lapis0x0/VermilionVoid"
+        target="_blank"
+        rel="noreferrer"
+        class="flex items-center gap-2 text-muted-foreground text-xs hover:text-foreground transition-colors duration-200 group md:justify-end md:pr-4"
+      >
+        <Github class="w-3.5 h-3.5" />
+        <span>博客主题：朱墨留白 | VermilionVoid</span>
+      </a>
+    </div>
+  </div>
+</footer>
+
+<script is:inline define:vars={{ siteStartDate: stats.startDate, lastUpdatedIso: stats.lastUpdatedIso }}>
+  // 运行天数和「最近更新」按真实时间算，避免站点久不重建时数字停在构建那天。
+  // 服务端已经渲染了一份兜底值，没 JS 也不会是空的。
+  ;(() => {
+    const updateStats = () => {
+      const now = new Date()
+
+      const start = new Date(siteStartDate + "T00:00:00+08:00")
+      const days = Math.max(0, Math.floor((now.getTime() - start.getTime()) / 86400000))
+      document.querySelectorAll('[data-stat="running-days"]').forEach((el) => {
+        el.textContent = String(days)
+      })
+
+      if (!lastUpdatedIso) return
+      const last = new Date(lastUpdatedIso)
+      const diff = Math.max(0, Math.floor((now.getTime() - last.getTime()) / 86400000))
+      const text = diff === 0 ? "今天" : diff === 1 ? "昨天" : `${diff} 天前`
+      document.querySelectorAll('[data-stat="last-update"]').forEach((el) => {
+        el.textContent = text
+      })
+    }
+
+    updateStats()
+    // ClientRouter 切页后页脚是新节点，要再刷一次
+    document.addEventListener("astro:page-load", updateStats)
+  })()
+</script>

src/components/footer.tsx

@@ -1,138 +0,0 @@
-import type { ComponentType, SVGProps } from "react"
-import { Github, Mail, Music, Rss } from "lucide-react"
-import { profile, type ExternalProfileLink, type ExternalProfileLinkType } from "@/data/profile"
-import { site } from "@/data/site"
-import { QqIcon } from "@/components/icons/qq-icon"
-
-const iconMap: Record<ExternalProfileLinkType, ComponentType<SVGProps<SVGSVGElement>>> = {
-  qq: QqIcon,
-  music: Music,
-  github: Github,
-  email: Mail,
-}
-
-export function Footer() {
-  return (
-    <footer className="border-t border-border/50 bg-background">
-      <div className="max-w-6xl mx-auto px-6 py-16">
-        <div className="grid gap-12 md:grid-cols-3">
-          {/* Brand */}
-          <div>
-            <div className="flex items-center gap-3 mb-4">
-              <div className="w-8 h-8 rounded-full overflow-hidden border border-primary/20 bg-secondary">
-                <img
-                  src={profile.avatar}
-                  alt={profile.name}
-                  loading="lazy"
-                  decoding="async"
-                  className="w-full h-full object-cover"
-                />
-              </div>
-              <span className="text-foreground font-medium">{site.name}</span>
-            </div>
-            <p className="text-muted-foreground text-sm leading-relaxed">
-              {profile.bio}
-            </p>
-          </div>
-
-          {/* Navigation */}
-          <div className="md:flex md:justify-center">
-            <div>
-              <h4 className="text-sm font-medium text-foreground mb-4 uppercase tracking-wide">导航</h4>
-              <nav className="flex flex-col gap-3">
-              {[
-                { name: "首页", href: "/" },
-                { name: "时间线", href: "/timeline/" },
-                { name: "偶得", href: "/thoughts/" },
-                { name: "相册", href: "/gallery/" },
-                { name: "书架", href: "/bookshelf/" },
-                { name: "专题", href: "/studies/" },
-                { name: "友链", href: "/friends/" },
-                { name: "关于", href: "/about/" },
-                { name: "开往", href: "https://www.travellings.cn/go.html", external: true },
-              ].map((item) => (
-                <a
-                  key={item.name}
-                  href={item.href}
-                  target={item.external ? "_blank" : undefined}
-                  rel={item.external ? "noreferrer" : undefined}
-                  className="text-muted-foreground text-sm hover:text-foreground transition-colors duration-200"
-                >
-                  {item.name}
-                </a>
-              ))}
-            </nav>
-            </div>
-          </div>
-
-          {/* Connect */}
-          <div className="md:flex md:justify-end">
-            <div>
-              <h4 className="text-sm font-medium text-foreground mb-4 uppercase tracking-wide">联系</h4>
-              <div className="flex items-center gap-4">
-                {profile.links.filter((link): link is ExternalProfileLink => link.type !== "wechat").map((link) => {
-                  const Icon = iconMap[link.type]
-                  return (
-                    <a
-                      key={link.name}
-                      href={link.url}
-                      target="_blank"
-                      rel="noreferrer"
-                      className="w-10 h-10 rounded-full border border-border flex items-center justify-center text-muted-foreground hover:text-foreground hover:border-primary/50 transition-all duration-200"
-                      aria-label={link.name}
-                    >
-                      <Icon className="w-4 h-4" />
-                    </a>
-                  )
-                })}
-              </div>
-              <p className="text-muted-foreground text-sm mt-6">通过 RSS 订阅，获取最新文章更新。</p>
-              <a
-                href="/rss.xml"
-                target="_blank"
-                rel="noreferrer"
-                className="mt-3 inline-flex items-center gap-2 px-4 py-2 bg-primary text-primary-foreground text-sm font-medium rounded-lg hover:opacity-90 transition-opacity duration-200"
-              >
-                <Rss className="w-4 h-4" />
-                订阅 RSS
-              </a>
-            </div>
-          </div>
-        </div>
-
-        {/* Bottom */}
-        <div className="mt-16 pt-8 border-t border-border/50 grid gap-4 md:grid-cols-3">
-          <p className="text-muted-foreground text-sm">© {site.startDate.slice(0, 4)} {profile.name}. All rights reserved.</p>
-          <div className="flex flex-wrap items-center gap-x-4 gap-y-2 md:justify-center">
-            <a
-              href="https://beian.miit.gov.cn/"
-              target="_blank"
-              rel="noreferrer"
-              className="text-muted-foreground text-xs hover:text-foreground transition-colors duration-200"
-            >
-              陇ICP备2026007748号
-            </a>
-            <a
-              href="https://beian.mps.gov.cn/#/query/webSearch?code=62070202000904"
-              target="_blank"
-              rel="noreferrer"
-              className="inline-flex items-center gap-1 text-muted-foreground text-xs hover:text-foreground transition-colors duration-200"
-            >
-              <img src="/images/beian.png" alt="公安备案" className="h-3.5 w-auto shrink-0" />
-              甘公网安备62070202000904号
-            </a>
-          </div>
-          <a
-            href="https://github.com/Lapis0x0/VermilionVoid"
-            target="_blank"
-            rel="noreferrer"
-            className="flex items-center gap-2 text-muted-foreground text-xs hover:text-foreground transition-colors duration-200 group md:justify-end md:pr-4"
-          >
-            <Github className="w-3.5 h-3.5" />
-            <span>博客主题：朱墨留白 | VermilionVoid</span>
-          </a>
-        </div>
-      </div>
-    </footer>
-  )
-}

src/components/sidebar.tsx

@@ -2,7 +2,7 @@
 
 import { useState, type ReactNode } from "react"
 import { cn } from "@/lib/utils"
-import { Calendar } from "lucide-react"
+import { ArrowRight, Calendar } from "lucide-react"
 import { profile } from "@/data/profile"
 import { ProfileContactLink } from "@/components/profile-contact-link"
 
@@ -39,23 +39,33 @@ export function Sidebar({
 
   return (
     <aside className="w-full lg:w-72 shrink-0 space-y-8">
-      {/* Author Card */}
+      {/* Author Card —— 头像/站名/签名整块可点，跳关于页。
+          注意只能包到这里：下面的社交图标本身是 <a>，<a> 不能嵌套 <a>。
+          aria-label 是为了不让读屏把头像 alt + 站名 + 签名整段念成链接名。 */}
       <div className="bg-card border border-border/50 rounded-xl p-6 text-center">
-        <div className="w-24 h-24 mx-auto mb-4 rounded-full overflow-hidden border-2 border-primary/20">
+        <a href="/about/" className="group block" aria-label={`关于 ${profile.name}`}>
-          <img
+          <div className="w-24 h-24 mx-auto mb-4 rounded-full overflow-hidden border-2 border-primary/20 transition-colors duration-200 group-hover:border-primary/60">
-            src={profile.avatar}
+            <img
-            alt={profile.name}
+              src={profile.avatar}
-            loading="lazy"
+              alt={profile.name}
-            decoding="async"
+              loading="lazy"
-            className="w-full h-full object-cover"
+              decoding="async"
-          />
+              className="w-full h-full object-cover transition-transform duration-300 group-hover:scale-105"
-        </div>
+            />
-        <h3 className="font-serif text-xl font-bold text-foreground mb-1">{profile.name}</h3>
+          </div>
-        <div className="w-8 h-0.5 bg-primary mx-auto mb-3" />
+          <h3 className="font-serif text-xl font-bold text-foreground mb-1 transition-colors duration-200 group-hover:text-primary">
-        <p className="text-sm text-muted-foreground leading-relaxed mb-4">{profile.bio}</p>
+            {profile.name}
+          </h3>
+          <div className="w-8 h-0.5 bg-primary mx-auto mb-3" />
+          <p className="text-sm text-muted-foreground leading-relaxed">{profile.bio}</p>
+          <span className="mt-2 inline-flex items-center gap-1 text-xs text-muted-foreground transition-colors duration-200 group-hover:text-primary">
+            关于我
+            <ArrowRight className="w-3 h-3 transition-transform duration-200 group-hover:translate-x-0.5" />
+          </span>
+        </a>
 
         {/* Social Links */}
-        <div className="flex items-center justify-center gap-3 mb-4">
+        <div className="flex items-center justify-center gap-3 mt-4 mb-4">
           {profile.links.map((link) => {
             return (
               <ProfileContactLink

src/lib/site-stats.ts

@@ -0,0 +1,87 @@
+import { getCollection } from "astro:content"
+import { site } from "@/data/site"
+import { buildSidebarMeta, getSortedPosts, toPostMeta } from "./posts"
+
+export type LatestPostLink = {
+  title: string
+  href: string
+  date: string
+}
+
+export type SiteStats = {
+  /** 建站日期，YYYY-MM-DD */
+  startDate: string
+  /** 已运行天数（构建时算的兜底值，页面加载后由内联脚本按真实时间刷新） */
+  runningDays: number
+  postCount: number
+  thoughtCount: number
+  categoryCount: number
+  tagCount: number
+  totalWords: number
+  /** 最后一篇的发布时间（ISO），用于前端算「最近更新」 */
+  lastUpdatedIso: string | null
+  /** 「最近更新」的构建时文案，作为无 JS 时的兜底 */
+  lastUpdatedText: string
+  /** 最近文章，按发布时间倒序（不把置顶提前） */
+  latestPosts: LatestPostLink[]
+}
+
+/** 把字数说成人话：12345 -> 1.2 万 */
+export const formatWords = (n: number) => {
+  if (n >= 10000) return `${(n / 10000).toFixed(1)} 万`
+  return String(n)
+}
+
+const startOfDay = (d: Date) => new Date(d.getFullYear(), d.getMonth(), d.getDate())
+
+export async function getSiteStats(latestCount = 4): Promise<SiteStats> {
+  const posts = await getSortedPosts()
+  const metas = posts.map(toPostMeta)
+  const { categories, tags } = buildSidebarMeta(metas)
+  const thoughts = await getCollection("thoughts")
+
+  const totalWords = metas.reduce((sum, meta) => sum + (meta.wordCount || 0), 0)
+
+  // 分类里有一条 id 为 "all" 的合集项，统计时要去掉
+  const categoryCount = categories.filter((category) => category.id !== "all").length
+
+  const startDate = site.startDate
+  const runningDays = Math.max(
+    0,
+    Math.floor((Date.now() - startOfDay(new Date(`${startDate}T00:00:00+08:00`)).getTime()) / 86_400_000),
+  )
+
+  // 「最近更新」看的是最后动过的时间，有 updated 就用它
+  const latestDate = posts.reduce<Date | null>((acc, post) => {
+    const d = new Date(post.data.updated ?? post.data.published)
+    return !acc || d > acc ? d : acc
+  }, null)
+
+  const latestPosts = [...posts]
+    .sort((a, b) => new Date(b.data.published).getTime() - new Date(a.data.published).getTime())
+    .slice(0, latestCount)
+    .map((post) => ({
+      title: post.data.title,
+      href: `/posts/${post.slug}/`,
+      date: new Date(post.data.published).toISOString().slice(0, 10),
+    }))
+
+  const sinceUpdate = latestDate
+    ? Math.max(0, Math.floor((Date.now() - latestDate.getTime()) / 86_400_000))
+    : null
+  const lastUpdatedText =
+    sinceUpdate === null ? "—" : sinceUpdate === 0 ? "今天" : sinceUpdate === 1 ? "昨天" : `${sinceUpdate} 天前`
+
+  return {
+    startDate,
+    runningDays,
+    postCount: posts.length,
+    thoughtCount: thoughts.length,
+    categoryCount,
+    tagCount: tags.length,
+    totalWords,
+    lastUpdatedIso: latestDate ? latestDate.toISOString() : null,
+    lastUpdatedText,
+    latestPosts,
+  }
+}

src/pages/[...page].astro

@@ -2,7 +2,7 @@
 import type { GetStaticPaths } from "astro"
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import { ArticleList } from "@/components/article-list"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import SiteHeader from "@/components/site-header.astro"
 import { PAGE_SIZE } from "@/lib/constants"
 import { buildSidebarMeta, getSortedPosts, toPostMeta } from "@/lib/posts"

src/pages/about.astro

@@ -2,7 +2,7 @@
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import AboutPage from "@/components/pages/AboutPage"
 import Comments from "@/components/Comments.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import SiteHeader from "@/components/site-header.astro"
 import { siteTitleSuffix } from "@/data/site"
 

src/pages/friends.astro

@@ -2,7 +2,7 @@
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import FriendsPage from "@/components/pages/FriendsPage.astro"
 import Comments from "@/components/Comments.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { siteTitleSuffix } from "@/data/site"
 
 const title = `友链 | ${siteTitleSuffix}`

src/pages/gallery/[album].astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { siteTitleSuffix } from "@/data/site"
 import { galleryConfig } from "@/data/gallery"
 import { getAlbumCover, scanAlbumPhotos } from "@/lib/gallery"

src/pages/gallery/index.astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { siteTitleSuffix } from "@/data/site"
 import { getAllAlbumTags, getAlbums } from "@/lib/gallery"
 

src/pages/index.astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import { ArticleList } from "@/components/article-list"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import SiteHeader from "@/components/site-header.astro"
 import { Hero } from "@/components/hero"
 import { PAGE_SIZE } from "@/lib/constants"

src/pages/posts/[...slug].astro

@@ -2,7 +2,7 @@
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import ArticleContent from "@/components/ArticleContent.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { getPostsWithNav, type PostEntry } from "@/lib/posts"
 import Disclaimer from "@/components/Disclaimer.astro"
 import PasswordProtection from "@/components/PasswordProtection.astro"

src/pages/studies/[id].astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { StudyDetailView } from "@/components/studies-detail"
 import { getAllStudies } from "@/lib/studies"
 import { siteTitleSuffix } from "@/data/site"

src/pages/studies/index.astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { StudiesList } from "@/components/studies-list"
 import { getAllStudies } from "@/lib/studies"
 import { siteTitleSuffix } from "@/data/site"

src/pages/thoughts/index.astro

@@ -1,7 +1,7 @@
 ---
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import { ThoughtsView } from "@/components/thoughts-view"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import SiteHeader from "@/components/site-header.astro"
 import { getSortedThoughts, toThoughtMeta } from "@/lib/thoughts"
 import { siteTitleSuffix } from "@/data/site"

src/pages/timeline/index.astro

@@ -2,7 +2,7 @@
 import BaseLayout from "@/layouts/BaseLayout.astro"
 import Timeline from "@/components/Timeline.astro"
 import SiteHeader from "@/components/site-header.astro"
-import { Footer } from "@/components/footer"
+import Footer from "@/components/footer.astro"
 import { getSortedPosts } from "@/lib/posts"
 import { siteTitleSuffix } from "@/data/site"