diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index cd70d93..9b0df79 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -26,8 +26,7 @@ const config: Config = {
     [
       'docusaurus-plugin-copy-page-button',
       {
-        placement: 'article',
-        enabledActions: ['copy'],
+        injectButton: false,
         generateMarkdownRoutes: true,
       },
     ],
diff --git a/i18n/en/code.json b/i18n/en/code.json
new file mode 100644
index 0000000..bb90250
--- /dev/null
+++ b/i18n/en/code.json
@@ -0,0 +1,14 @@
+{
+  "copyPageButton.idle": {
+    "message": "Copy page as Markdown"
+  },
+  "copyPageButton.copying": {
+    "message": "Copying…"
+  },
+  "copyPageButton.success": {
+    "message": "Copied"
+  },
+  "copyPageButton.error": {
+    "message": "Copy failed"
+  }
+}
diff --git a/scripts/generate-llms-index.mjs b/scripts/generate-llms-index.mjs
index 8fa3e8e..a6e640e 100644
--- a/scripts/generate-llms-index.mjs
+++ b/scripts/generate-llms-index.mjs
@@ -66,13 +66,16 @@ const allMarkdownFiles = await findMarkdownFiles(outputDirectory);
 const documentationChecks = await Promise.all(
   allMarkdownFiles.map((file) => isDocumentationPage(file)),
 );
+const documentationFiles = allMarkdownFiles.filter(
+  (_file, index) => documentationChecks[index],
+);
 const defaultLocaleFiles = allMarkdownFiles.filter(
   (file, index) =>
     !isExcludedLocale(path.relative(outputDirectory, file)) &&
     documentationChecks[index],
 );
 const excludedMarkdownFiles = allMarkdownFiles.filter(
-  (file) => !defaultLocaleFiles.includes(file),
+  (file) => !documentationFiles.includes(file),
 );
 
 await Promise.all(excludedMarkdownFiles.map((file) => unlink(file)));
@@ -114,5 +117,5 @@ const llmsIndex = [
 await writeFile(path.join(outputDirectory, 'llms.txt'), llmsIndex, 'utf8');
 
 console.log(
-  `Generated llms.txt with ${documents.length} Chinese documents; removed ${excludedMarkdownFiles.length} non-Chinese or non-document Markdown routes.`,
+  `Generated llms.txt with ${documents.length} Chinese documents; preserved ${documentationFiles.length} localized Markdown routes and removed ${excludedMarkdownFiles.length} non-document routes.`,
 );
diff --git a/src/components/CopyPageButton/index.tsx b/src/components/CopyPageButton/index.tsx
new file mode 100644
index 0000000..a5b5212
--- /dev/null
+++ b/src/components/CopyPageButton/index.tsx
@@ -0,0 +1,117 @@
+import {translate} from '@docusaurus/Translate';
+import {useEffect, useRef, useState} from 'react';
+import type {ReactNode} from 'react';
+
+import styles from './styles.module.css';
+
+type CopyStatus = 'idle' | 'copying' | 'success' | 'error';
+
+const labels: Record<CopyStatus, () => string> = {
+  idle: () =>
+    translate({
+      id: 'copyPageButton.idle',
+      message: '复制整篇 Markdown',
+    }),
+  copying: () =>
+    translate({
+      id: 'copyPageButton.copying',
+      message: '正在复制…',
+    }),
+  success: () =>
+    translate({
+      id: 'copyPageButton.success',
+      message: '已复制',
+    }),
+  error: () =>
+    translate({
+      id: 'copyPageButton.error',
+      message: '复制失败',
+    }),
+};
+
+function getMarkdownUrl(): string {
+  const url = new URL(window.location.href);
+  url.hash = '';
+  url.search = '';
+  url.pathname =
+    url.pathname === '/'
+      ? '/index.md'
+      : `${url.pathname.replace(/\/$/, '')}.md`;
+  return url.toString();
+}
+
+async function writeToClipboard(markdown: string): Promise<void> {
+  if (navigator.clipboard?.writeText) {
+    await navigator.clipboard.writeText(markdown);
+    return;
+  }
+
+  const textArea = document.createElement('textarea');
+  textArea.value = markdown;
+  textArea.setAttribute('readonly', '');
+  textArea.style.position = 'fixed';
+  textArea.style.opacity = '0';
+  document.body.appendChild(textArea);
+  textArea.select();
+
+  try {
+    if (!document.execCommand('copy')) {
+      throw new Error('Clipboard copy command failed');
+    }
+  } finally {
+    textArea.remove();
+  }
+}
+
+export default function CopyPageButton(): ReactNode {
+  const [status, setStatus] = useState<CopyStatus>('idle');
+  const resetTimer = useRef<ReturnType<typeof setTimeout> | undefined>(
+    undefined,
+  );
+
+  useEffect(
+    () => () => {
+      if (resetTimer.current) {
+        clearTimeout(resetTimer.current);
+      }
+    },
+    [],
+  );
+
+  const copyPage = async () => {
+    setStatus('copying');
+
+    try {
+      const response = await fetch(getMarkdownUrl());
+      if (!response.ok) {
+        throw new Error(`Markdown request failed with ${response.status}`);
+      }
+      await writeToClipboard(await response.text());
+      setStatus('success');
+    } catch {
+      setStatus('error');
+    }
+
+    if (resetTimer.current) {
+      clearTimeout(resetTimer.current);
+    }
+    resetTimer.current = setTimeout(() => setStatus('idle'), 2000);
+  };
+
+  const isCopying = status === 'copying';
+
+  return (
+    <div className={styles.container}>
+      <button
+        className={styles.button}
+        type="button"
+        onClick={copyPage}
+        disabled={isCopying}>
+        <span aria-hidden="true" className={styles.icon}>
+          {status === 'success' ? '✓' : status === 'error' ? '!' : '⧉'}
+        </span>
+        <span aria-live="polite">{labels[status]()}</span>
+      </button>
+    </div>
+  );
+}
diff --git a/src/components/CopyPageButton/styles.module.css b/src/components/CopyPageButton/styles.module.css
new file mode 100644
index 0000000..8a8a2c7
--- /dev/null
+++ b/src/components/CopyPageButton/styles.module.css
@@ -0,0 +1,57 @@
+.container {
+  display: flex;
+  justify-content: flex-end;
+  margin: 0.75rem 0 1rem;
+}
+
+.button {
+  align-items: center;
+  background: var(--ifm-background-surface-color);
+  border: 1px solid var(--ifm-color-emphasis-300);
+  border-radius: 0.45rem;
+  color: var(--ifm-font-color-base);
+  cursor: pointer;
+  display: inline-flex;
+  font: inherit;
+  font-size: 0.875rem;
+  font-weight: 600;
+  gap: 0.45rem;
+  min-height: 2.25rem;
+  padding: 0.4rem 0.75rem;
+  transition:
+    background-color var(--ifm-transition-fast),
+    border-color var(--ifm-transition-fast),
+    color var(--ifm-transition-fast);
+}
+
+.button:hover:not(:disabled) {
+  background: var(--ifm-color-emphasis-100);
+  border-color: var(--ifm-color-primary);
+  color: var(--ifm-color-primary);
+}
+
+.button:focus-visible {
+  outline: 2px solid var(--ifm-color-primary);
+  outline-offset: 2px;
+}
+
+.button:disabled {
+  cursor: wait;
+  opacity: 0.7;
+}
+
+.icon {
+  font-size: 1rem;
+  line-height: 1;
+}
+
+@media (max-width: 576px) {
+  .container {
+    justify-content: stretch;
+  }
+
+  .button {
+    justify-content: center;
+    width: 100%;
+  }
+}
diff --git a/src/theme/DocItem/Content/index.tsx b/src/theme/DocItem/Content/index.tsx
new file mode 100644
index 0000000..a32f92e
--- /dev/null
+++ b/src/theme/DocItem/Content/index.tsx
@@ -0,0 +1,13 @@
+import type {ReactNode} from 'react';
+import CopyPageButton from '@site/src/components/CopyPageButton';
+import OriginalDocItemContent from '@theme-original/DocItem/Content';
+import type {Props} from '@theme/DocItem/Content';
+
+export default function DocItemContent(props: Props): ReactNode {
+  return (
+    <>
+      <CopyPageButton />
+      <OriginalDocItemContent {...props} />
+    </>
+  );
+}