diff --git a/README.md b/README.md
index bba046a..ee9824f 100644
--- a/README.md
+++ b/README.md
@@ -23,14 +23,13 @@
 
 - **plugin-moments**：`/moments` 瞬间页
 - **plugin-photos**：`/photos` 图库页
-- **plugin-links**：`/links` 友链页；并额外提供
-  - `links-apply.html`：访客友链申请表单（调用插件公共 REST API，含图形验证码）
+- **plugin-links**：`/links` 友链页；友链申请表单已**直接内嵌**在友链页底部（点击「申请友链」展开，调用插件公共 REST API，含图形验证码）；并额外提供
   - `links-subscribe.html`：RSS 订阅动态聚合页（使用 `linkFeedFinder`）
 - **halo-weread-plugin**：`weread.html` 微信读书书架页（前端拉取插件 `/shelf-html` 并注入）
 - **留言板**：`page_guestbook.html` 以评论区作为留言板的单页模板
-- **plugin-extra-api**：API 扩展包（无独立页面），主题已适配其 shiki 代码高亮与暗色样式
+- **plugin-extra-api**：API 扩展包（无独立页面），主题已适配其 shiki 代码高亮与暗色样式；并在文章卡片 / 详情页展示**字数 + 阅读时长**、归档页展示**全站总字数**、瞬间页展示**单条字数**（通过 `extraApiStatsFinder`，插件未安装时自动隐藏）
 
-> `weread` / `留言板` / `友链申请` / `链接订阅` 均为「自定义页面模板」，在控制台新建单页并选择对应模板即可启用。
+> `weread` / `留言板` / `链接订阅` 均为「自定义页面模板」，在控制台新建单页并选择对应模板即可启用。`/links` 友链页与内嵌的友链申请无需单独建单页。
 
 ## 目录结构
 
@@ -86,6 +85,8 @@ pnpm check          # 格式化 + Lint 修复
 | about   | avatar / bio / github_url / twitter_url / contact_email | 关于页（自定义模板 `page_about.html`）内容 |
 | seo     | enable_metadata    | 输出 canonical / Open Graph / Twitter Card  |
 | seo     | enable_structured_data | 输出文章页 BlogPosting JSON-LD            |
+| footer  | icp_number / icp_url | ICP 备案号与查询链接（默认工信部备案管理系统） |
+| footer  | police_number / police_url | 公网安备号与查询链接（默认全国互联网安全管理服务平台） |
 
 ## 约定与说明
 
@@ -93,6 +94,7 @@ pnpm check          # 格式化 + Lint 修复
 - 社交分享 / 结构化数据中用 `status.permalink` 与 `site.routes.*` 拼出地址，不写死可配置路由。
 - 搜索由官方 `PluginSearchWidget` 插件提供，按钮仅在插件可用时出现。
 - 浏览量来自 Halo 原生统计（`post.stats.visit`），无需主题自行计数。
+- 字数 / 阅读时长来自 `halo-plugin-extra-api` 的 `extraApiStatsFinder`（插件未安装时相关展示自动隐藏），全站字数为缓存计算结果。
 
 ## 致谢
 
diff --git a/i18n/default.properties b/i18n/default.properties
index 76143d2..792e37f 100644
--- a/i18n/default.properties
+++ b/i18n/default.properties
@@ -33,3 +33,10 @@ footer.theme=Theme by {0}
 about.social.github=GitHub
 about.social.twitter=Twitter
 about.social.email=Email
+post.words={0} words
+post.reading_time=About {0} min
+archive.stats.words=Total words
+links.apply=Apply for link
+links.apply_sent=Application submitted, awaiting review.
+links.apply_failed=Submission failed, please check and retry.
+links.apply_captcha_failed=Captcha failed to load, please refresh.
diff --git a/i18n/zh_CN.properties b/i18n/zh_CN.properties
index 1b844a0..f00e270 100644
--- a/i18n/zh_CN.properties
+++ b/i18n/zh_CN.properties
@@ -33,3 +33,10 @@ footer.theme=Theme by {0}
 about.social.github=GitHub
 about.social.twitter=Twitter
 about.social.email=邮箱
+post.words={0} 字
+post.reading_time=约 {0} 分钟
+archive.stats.words=总字数
+links.apply=申请友链
+links.apply_sent=申请已提交，等待管理员审核。
+links.apply_failed=提交失败，请检查信息后重试。
+links.apply_captcha_failed=验证码加载失败，请刷新页面重试。
diff --git a/settings.yaml b/settings.yaml
index ff337e2..95ba5c7 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -74,3 +74,28 @@ spec:
           label: 输出文章结构化数据
           value: true
           help: 在文章页输出 Schema.org BlogPosting JSON-LD；若已由插件提供，请关闭
+    - group: footer
+      label: 页脚备案
+      formSchema:
+        - $formkit: text
+          name: icp_number
+          label: ICP 备案号
+          value: ""
+          placeholder: 京ICP备12345678号
+          help: 工信部备案号，留空则不显示
+        - $formkit: text
+          name: icp_url
+          label: ICP 备案查询链接
+          value: "https://beian.miit.gov.cn"
+          help: 点击备案号跳转的查询地址，默认工信部备案管理系统
+        - $formkit: text
+          name: police_number
+          label: 公网安备号
+          value: ""
+          placeholder: 京公网安备11000002000001号
+          help: 公安机关备案号，留空则不显示
+        - $formkit: text
+          name: police_url
+          label: 公网安备查询链接
+          value: "https://beian.mps.gov.cn"
+          help: 点击公网安备号跳转的地址，默认全国互联网安全管理服务平台
diff --git a/src/archives.html b/src/archives.html
index d936c5e..858f421 100644
--- a/src/archives.html
+++ b/src/archives.html
@@ -38,6 +38,17 @@
           Tags
         </div>
       </div>
+      <th:block th:if="${pluginFinder.available('extra-api')}">
+        <div class="archive-stat">
+          <div
+            class="archive-stat-number"
+            th:text="${extraApiStatsFinder.getPostWordCount()}"
+          >0</div>
+          <div class="archive-stat-label" th:text="#{archive.stats.words}">
+            Words
+          </div>
+        </div>
+      </th:block>
     </div>
 
     <!-- 按年归档 -->
diff --git a/src/css/main.css b/src/css/main.css
index 1f292f7..253ebc1 100644
--- a/src/css/main.css
+++ b/src/css/main.css
@@ -1113,6 +1113,38 @@ a.pagination-item:hover {
   color: var(--color-primary);
 }
 
+.footer-beian {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 0.5rem 1rem;
+  margin-top: var(--spacing-sm);
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+}
+.footer-beian-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35rem;
+  color: var(--color-text-muted);
+}
+.footer-beian-item:hover {
+  color: var(--color-text);
+}
+.footer-police-icon {
+  width: 0.95rem;
+  height: 0.95rem;
+}
+
+.post-words,
+.post-reading {
+  color: var(--color-text-muted);
+}
+.moment-words {
+  color: var(--color-text-secondary);
+  font-size: 0.85rem;
+}
+
 /* ========================================
    回到顶部按钮
    ======================================== */
diff --git a/src/links-apply.html b/src/links-apply.html
deleted file mode 100644
index e224c3c..0000000
--- a/src/links-apply.html
+++ /dev/null
@@ -1,201 +0,0 @@
-<include src="partials/layout.html">
-  <template name="head">
-    <title
-      th:text="|${singlePage.spec.title} - ${site.title}|"
-      th:if="${singlePage != null}"
-    >
-      申请友链
-    </title>
-    <style>
-      .apply-form {
-        max-width: 32rem;
-        margin: 0 auto;
-      }
-      .apply-form .form-row {
-        margin-bottom: 1rem;
-      }
-      .apply-form label {
-        display: block;
-        margin-bottom: 0.35rem;
-        font-weight: 600;
-        color: var(--color-text);
-      }
-      .apply-form input,
-      .apply-form textarea {
-        width: 100%;
-        padding: 0.6rem 0.75rem;
-        border: 1px solid var(--color-border);
-        border-radius: var(--radius-sm);
-        background: var(--color-bg);
-        color: var(--color-text);
-        font: inherit;
-      }
-      .apply-form textarea {
-        min-height: 5rem;
-        resize: vertical;
-      }
-      .apply-captcha {
-        display: flex;
-        gap: 0.75rem;
-        align-items: center;
-      }
-      .apply-captcha img {
-        height: 2.75rem;
-        border-radius: var(--radius-sm);
-        border: 1px solid var(--color-border);
-        cursor: pointer;
-      }
-      .apply-status {
-        margin-top: 1rem;
-        padding: 0.75rem 1rem;
-        border-radius: var(--radius-sm);
-        display: none;
-      }
-      .apply-status.ok {
-        display: block;
-        background: rgba(46, 160, 67, 0.12);
-        color: #2ea043;
-        border: 1px solid rgba(46, 160, 67, 0.4);
-      }
-      .apply-status.err {
-        display: block;
-        background: rgba(229, 57, 53, 0.12);
-        color: #e53935;
-        border: 1px solid rgba(229, 57, 53, 0.4);
-      }
-    </style>
-  </template>
-
-  <div class="container">
-    <section class="apply-form">
-      <h1 th:text="${singlePage.spec.title}" th:if="${singlePage != null}">申请友链</h1>
-      <p
-        class="apply-intro"
-        th:if="${singlePage.spec.description != null}"
-        th:utext="${singlePage.spec.description}"
-      ></p>
-
-      <form id="link-apply-form" novalidate>
-        <div class="form-row">
-          <label for="f-url">网站地址 *</label>
-          <input id="f-url" name="url" type="url" required placeholder="https://example.com" />
-        </div>
-        <div class="form-row">
-          <label for="f-name">网站名称 *</label>
-          <input id="f-name" name="displayName" type="text" required placeholder="我的站点" />
-        </div>
-        <div class="form-row">
-          <label for="f-logo">Logo 地址</label>
-          <input id="f-logo" name="logo" type="url" placeholder="https://example.com/logo.png" />
-        </div>
-        <div class="form-row">
-          <label for="f-desc">网站描述</label>
-          <input id="f-desc" name="description" type="text" placeholder="一句话介绍你的站点" />
-        </div>
-        <div class="form-row">
-          <label for="f-email">联系邮箱</label>
-          <input id="f-email" name="email" type="email" placeholder="you@example.com" />
-        </div>
-        <div class="form-row">
-          <label for="f-backlink">反链页面</label>
-          <input id="f-backlink" name="backlink" type="url" placeholder="含本站链接的页面地址" />
-        </div>
-        <div class="form-row">
-          <label for="f-feeds">RSS / Atom 地址（每行一个）</label>
-          <textarea id="f-feeds" name="feedUrls" placeholder="https://example.com/feed.xml"></textarea>
-        </div>
-        <div class="form-row">
-          <label for="f-captcha">验证码 *</label>
-          <div class="apply-captcha">
-            <img id="captcha-img" alt="验证码" title="点击刷新" />
-            <input id="f-captcha" name="captchaCode" type="text" maxlength="5" required autocomplete="off" />
-          </div>
-        </div>
-        <button class="btn btn-primary" type="submit">提交申请</button>
-      </form>
-
-      <div class="apply-status" id="apply-status" role="alert"></div>
-    </section>
-  </div>
-
-  <script th:inline="none">
-    (function () {
-      var API = "/apis/api.link.halo.run/v1alpha1/link-applications";
-      var CAPTCHA = "/apis/api.link.halo.run/v1alpha1/link-applications/captcha";
-      var form = document.getElementById("link-apply-form");
-      var img = document.getElementById("captcha-img");
-      var status = document.getElementById("apply-status");
-      var challengeId = null;
-
-      function loadCaptcha() {
-        fetch(CAPTCHA, { method: "POST" })
-          .then(function (r) {
-            if (!r.ok) throw new Error("captcha");
-            return r.json();
-          })
-          .then(function (data) {
-            challengeId = data.challengeId;
-            img.src = data.image;
-          })
-          .catch(function () {
-            status.className = "apply-status err";
-            status.textContent = "验证码加载失败，请刷新页面重试。";
-          });
-      }
-
-      img.addEventListener("click", loadCaptcha);
-
-      form.addEventListener("submit", function (e) {
-        e.preventDefault();
-        status.className = "apply-status";
-        status.textContent = "";
-        if (!challengeId) {
-          status.className = "apply-status err";
-          status.textContent = "请等待验证码加载完成。";
-          return;
-        }
-        var fd = new FormData(form);
-        var feeds = (fd.get("feedUrls") || "")
-          .split(/\r?\n/)
-          .map(function (s) { return s.trim(); })
-          .filter(Boolean);
-        var payload = {
-          url: fd.get("url"),
-          displayName: fd.get("displayName"),
-          logo: fd.get("logo") || undefined,
-          description: fd.get("description") || undefined,
-          email: fd.get("email") || undefined,
-          backlink: fd.get("backlink") || undefined,
-          feedUrls: feeds,
-          challengeId: challengeId,
-          captchaCode: fd.get("captchaCode")
-        };
-        fetch(API, {
-          method: "POST",
-          headers: { "Content-Type": "application/json" },
-          body: JSON.stringify(payload)
-        })
-          .then(function (r) {
-            if (r.status === 201) {
-              form.reset();
-              challengeId = null;
-              loadCaptcha();
-              status.className = "apply-status ok";
-              status.textContent = "申请已提交，等待管理员审核。";
-            } else {
-              return r.json().then(function (err) {
-                throw err;
-              });
-            }
-          })
-          .catch(function () {
-            loadCaptcha();
-            status.className = "apply-status err";
-            status.textContent = "提交失败，请检查信息后重试（验证码已刷新）。";
-          });
-      });
-
-      loadCaptcha();
-    })();
-  </script>
-</include>
diff --git a/src/links.html b/src/links.html
index b38f2a0..8803920 100644
--- a/src/links.html
+++ b/src/links.html
@@ -56,6 +56,71 @@
         font-size: 0.85rem;
         color: var(--color-text-secondary);
       }
+      .links-apply {
+        margin-top: 2rem;
+        text-align: center;
+      }
+      .link-apply-panel {
+        max-width: 32rem;
+        margin: 1.25rem auto 0;
+        text-align: left;
+      }
+      .link-apply-title {
+        margin: 0 0 0.75rem;
+        font-size: 1.125rem;
+      }
+      .apply-form .form-row {
+        margin-bottom: 1rem;
+      }
+      .apply-form label {
+        display: block;
+        margin-bottom: 0.35rem;
+        font-weight: 600;
+        color: var(--color-text);
+      }
+      .apply-form input,
+      .apply-form textarea {
+        width: 100%;
+        padding: 0.6rem 0.75rem;
+        border: 1px solid var(--color-border);
+        border-radius: var(--radius-sm);
+        background: var(--color-bg);
+        color: var(--color-text);
+        font: inherit;
+      }
+      .apply-form textarea {
+        min-height: 5rem;
+        resize: vertical;
+      }
+      .apply-captcha {
+        display: flex;
+        gap: 0.75rem;
+        align-items: center;
+      }
+      .apply-captcha img {
+        height: 2.75rem;
+        border-radius: var(--radius-sm);
+        border: 1px solid var(--color-border);
+        cursor: pointer;
+      }
+      .apply-status {
+        margin-top: 1rem;
+        padding: 0.75rem 1rem;
+        border-radius: var(--radius-sm);
+        display: none;
+      }
+      .apply-status.ok {
+        display: block;
+        background: rgba(46, 160, 67, 0.12);
+        color: #2ea043;
+        border: 1px solid rgba(46, 160, 67, 0.4);
+      }
+      .apply-status.err {
+        display: block;
+        background: rgba(229, 57, 53, 0.12);
+        color: #e53935;
+        border: 1px solid rgba(229, 57, 53, 0.4);
+      }
     </style>
   </template>
 
@@ -96,10 +161,149 @@
         </li>
       </ul>
       <p th:unless="${not #lists.isEmpty(links)}">暂无链接</p>
+
+      <div class="links-apply">
+        <button
+          class="btn btn-primary"
+          id="link-apply-toggle"
+          type="button"
+          th:text="#{links.apply}"
+        >申请友链</button>
+        <div class="link-apply-panel apply-form" id="link-apply-panel" hidden>
+          <h2 class="link-apply-title" th:text="#{links.apply}">申请友链</h2>
+          <form id="link-apply-form" novalidate>
+            <div class="form-row">
+              <label for="f-url">网站地址 *</label>
+              <input id="f-url" name="url" type="url" required placeholder="https://example.com" />
+            </div>
+            <div class="form-row">
+              <label for="f-name">网站名称 *</label>
+              <input id="f-name" name="displayName" type="text" required placeholder="我的站点" />
+            </div>
+            <div class="form-row">
+              <label for="f-logo">Logo 地址</label>
+              <input id="f-logo" name="logo" type="url" placeholder="https://example.com/logo.png" />
+            </div>
+            <div class="form-row">
+              <label for="f-desc">网站描述</label>
+              <input id="f-desc" name="description" type="text" placeholder="一句话介绍你的站点" />
+            </div>
+            <div class="form-row">
+              <label for="f-email">联系邮箱</label>
+              <input id="f-email" name="email" type="email" placeholder="you@example.com" />
+            </div>
+            <div class="form-row">
+              <label for="f-backlink">反链页面</label>
+              <input id="f-backlink" name="backlink" type="url" placeholder="含本站链接的页面地址" />
+            </div>
+            <div class="form-row">
+              <label for="f-feeds">RSS / Atom 地址（每行一个）</label>
+              <textarea id="f-feeds" name="feedUrls" placeholder="https://example.com/feed.xml"></textarea>
+            </div>
+            <div class="form-row">
+              <label for="f-captcha">验证码 *</label>
+              <div class="apply-captcha">
+                <img id="captcha-img" alt="验证码" title="点击刷新" />
+                <input id="f-captcha" name="captchaCode" type="text" maxlength="5" required autocomplete="off" />
+              </div>
+            </div>
+            <button class="btn btn-primary" type="submit">提交申请</button>
+          </form>
+          <div class="apply-status" id="apply-status" role="alert"></div>
+        </div>
+      </div>
     </section>
 
     <div class="comments-section" th:if="${haloCommentEnabled}">
       <halo:comment group="plugin.halo.run" kind="Plugin" th:attr="name=${pluginName}" />
     </div>
   </div>
+
+  <script th:inline="none">
+    (function () {
+      var API = "/apis/api.link.halo.run/v1alpha1/link-applications";
+      var CAPTCHA = "/apis/api.link.halo.run/v1alpha1/link-applications/captcha";
+      var toggle = document.getElementById("link-apply-toggle");
+      var panel = document.getElementById("link-apply-panel");
+      var form = document.getElementById("link-apply-form");
+      var img = document.getElementById("captcha-img");
+      var status = document.getElementById("apply-status");
+      var challengeId = null;
+
+      function loadCaptcha() {
+        fetch(CAPTCHA, { method: "POST" })
+          .then(function (r) {
+            if (!r.ok) throw new Error("captcha");
+            return r.json();
+          })
+          .then(function (data) {
+            challengeId = data.challengeId;
+            img.src = data.image;
+          })
+          .catch(function () {
+            status.className = "apply-status err";
+            status.textContent = "验证码加载失败，请刷新页面重试。";
+          });
+      }
+
+      toggle.addEventListener("click", function () {
+        panel.hidden = !panel.hidden;
+        if (!panel.hidden && !challengeId) {
+          loadCaptcha();
+        }
+      });
+
+      img.addEventListener("click", loadCaptcha);
+
+      form.addEventListener("submit", function (e) {
+        e.preventDefault();
+        status.className = "apply-status";
+        status.textContent = "";
+        if (!challengeId) {
+          status.className = "apply-status err";
+          status.textContent = "请先点击「申请友链」并等待验证码加载。";
+          return;
+        }
+        var fd = new FormData(form);
+        var feeds = (fd.get("feedUrls") || "")
+          .split(/\r?\n/)
+          .map(function (s) { return s.trim(); })
+          .filter(Boolean);
+        var payload = {
+          url: fd.get("url"),
+          displayName: fd.get("displayName"),
+          logo: fd.get("logo") || undefined,
+          description: fd.get("description") || undefined,
+          email: fd.get("email") || undefined,
+          backlink: fd.get("backlink") || undefined,
+          feedUrls: feeds,
+          challengeId: challengeId,
+          captchaCode: fd.get("captchaCode")
+        };
+        fetch(API, {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify(payload)
+        })
+          .then(function (r) {
+            if (r.status === 201) {
+              form.reset();
+              challengeId = null;
+              loadCaptcha();
+              status.className = "apply-status ok";
+              status.textContent = "申请已提交，等待管理员审核。";
+            } else {
+              return r.json().then(function (err) {
+                throw err;
+              });
+            }
+          })
+          .catch(function () {
+            loadCaptcha();
+            status.className = "apply-status err";
+            status.textContent = "提交失败，请检查信息后重试（验证码已刷新）。";
+          });
+      });
+    })();
+  </script>
 </include>
diff --git a/src/modules/post-meta.html b/src/modules/post-meta.html
index 606bddc..8467a88 100644
--- a/src/modules/post-meta.html
+++ b/src/modules/post-meta.html
@@ -23,4 +23,18 @@
       >1 views</span
     >
   </th:block>
+  <th:block th:if="${pluginFinder.available('extra-api')}">
+    <th:block th:with="wc=${extraApiStatsFinder.getPostWordCount({name: post.metadata.name})}">
+      <th:block th:if="${wc != null and wc > 0}">
+        <span class="post-meta-sep">·</span>
+        <span class="post-words" th:text="#{post.words(${wc})}">字数</span>
+        <span class="post-meta-sep">·</span>
+        <span
+          class="post-reading"
+          th:text="#{post.reading_time(${#numbers.formatInteger((wc + 399).divide(java.math.BigInteger.valueOf(400)), 0)})}"
+          >阅读时长</span
+        >
+      </th:block>
+    </th:block>
+  </th:block>
 </div>
diff --git a/src/moments.html b/src/moments.html
index 0b8274e..6c0c126 100644
--- a/src/moments.html
+++ b/src/moments.html
@@ -91,6 +91,15 @@
                   >发布时间</time
                 >
               </a>
+              <th:block th:if="${pluginFinder.available('extra-api') and content != null}">
+                <span
+                  class="moment-words"
+                  th:with="wc=${extraApiStatsFinder.getContentWordCount(content.html)}"
+                  th:if="${wc != null and wc > 0}"
+                  th:text="#{post.words(${wc})}"
+                  >字数</span
+                >
+              </th:block>
             </header>
 
             <div
diff --git a/src/partials/layout.html b/src/partials/layout.html
index 9bb1b58..41823d3 100644
--- a/src/partials/layout.html
+++ b/src/partials/layout.html
@@ -180,6 +180,35 @@
           Theme by
           <a href="https://kehua.me" target="_blank" rel="noopener">kehua</a>
         </p>
+        <div
+          class="footer-beian"
+          th:if="${not #strings.isEmpty(theme.config?.footer?.icp_number) or not #strings.isEmpty(theme.config?.footer?.police_number)}"
+        >
+          <a
+            class="footer-beian-item"
+            th:if="${not #strings.isEmpty(theme.config?.footer?.icp_number)}"
+            th:href="${theme.config?.footer?.icp_url}"
+            target="_blank"
+            rel="noopener noreferrer"
+            th:text="${theme.config?.footer?.icp_number}"
+            >ICP</a
+          >
+          <a
+            class="footer-beian-item footer-police"
+            th:if="${not #strings.isEmpty(theme.config?.footer?.police_number)}"
+            th:href="${theme.config?.footer?.police_url}"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            <img
+              class="footer-police-icon"
+              src="https://beian.mps.gov.cn/img/footerPoliceIcon.png"
+              alt=""
+              loading="lazy"
+            />
+            <span th:text="${theme.config?.footer?.police_number}">公网安备</span>
+          </a>
+        </div>
         <halo:footer />
       </div>
     </footer>
diff --git a/theme.yaml b/theme.yaml
index 429ca96..7b12294 100644
--- a/theme.yaml
+++ b/theme.yaml
@@ -33,10 +33,6 @@ spec:
         description: 以评论区作为留言板的单页模板
         screenshot:
         file: page_guestbook.html
-      - name: 友链申请页面
-        description: 适配 plugin-links 的访客友链申请表单
-        screenshot:
-        file: links-apply.html
       - name: 链接订阅页面
         description: 适配 plugin-links 的 RSS 订阅动态聚合页
         screenshot: