diff --git a/app/about/cn/page.tsx b/app/about/cn/page.tsx
new file mode 100644
index 0000000..3a6f6d3
--- /dev/null
+++ b/app/about/cn/page.tsx
@@ -0,0 +1,190 @@
+import type { Metadata } from "next";
+import Link from "next/link";
+import { FaGithub } from "react-icons/fa";
+import Image from "next/image";
+
+export const metadata: Metadata = {
+    title: "关于 - Next AI Draw.io",
+    description: "AI驱动的图表创建工具 - 对话、绘制、可视化。使用自然语言创建AWS、GCP和Azure架构图。",
+    keywords: ["AI图表", "draw.io", "AWS架构", "GCP图表", "Azure图表", "LLM"],
+};
+
+export default function AboutCN() {
+    return (
+        <div className="min-h-screen bg-gray-50">
+            {/* Navigation */}
+            <header className="bg-white border-b border-gray-200">
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-4">
+                    <div className="flex items-center justify-between">
+                        <Link href="/" className="text-xl font-bold text-gray-900 hover:text-gray-700">
+                            Next AI Draw.io
+                        </Link>
+                        <nav className="flex items-center gap-6 text-sm">
+                            <Link href="/" className="text-gray-600 hover:text-gray-900 transition-colors">
+                                编辑器
+                            </Link>
+                            <Link href="/about/cn" className="text-blue-600 font-semibold">
+                                关于
+                            </Link>
+                            <a
+                                href="https://github.com/DayuanJiang/next-ai-draw-io"
+                                target="_blank"
+                                rel="noopener noreferrer"
+                                className="text-gray-600 hover:text-gray-900 transition-colors"
+                                aria-label="在GitHub上查看"
+                            >
+                                <FaGithub className="w-5 h-5" />
+                            </a>
+                        </nav>
+                    </div>
+                </div>
+            </header>
+
+            {/* Main Content */}
+            <main className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+                <article className="prose prose-lg max-w-none">
+                    {/* Title */}
+                    <div className="text-center mb-8">
+                        <h1 className="text-4xl font-bold text-gray-900 mb-2">Next AI Draw.io</h1>
+                        <p className="text-xl text-gray-600 font-medium">
+                            AI驱动的图表创建工具 - 对话、绘制、可视化
+                        </p>
+                        <div className="flex justify-center gap-4 mt-4 text-sm">
+                            <Link href="/about" className="text-gray-600 hover:text-blue-600">English</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/cn" className="text-blue-600 font-semibold">中文</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/ja" className="text-gray-600 hover:text-blue-600">日本語</Link>
+                        </div>
+                    </div>
+
+                    <p className="text-gray-700">
+                        一个集成了AI功能的Next.js网页应用，与draw.io图表无缝结合。通过自然语言命令和AI辅助可视化来创建、修改和增强图表。
+                    </p>
+
+                    {/* Features */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">功能特性</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>LLM驱动的图表创建</strong>：利用大语言模型通过自然语言命令直接创建和操作draw.io图表</li>
+                        <li><strong>基于图像的图表复制</strong>：上传现有图表或图像，让AI自动复制和增强</li>
+                        <li><strong>图表历史记录</strong>：全面的版本控制，跟踪所有更改，允许您查看和恢复AI编辑前的图表版本</li>
+                        <li><strong>交互式聊天界面</strong>：与AI实时对话来完善您的图表</li>
+                        <li><strong>AWS架构图支持</strong>：专门支持生成AWS架构图</li>
+                        <li><strong>动画连接器</strong>：在图表元素之间创建动态动画连接器，实现更好的可视化效果</li>
+                    </ul>
+
+                    {/* Examples */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">示例</h2>
+                    <p className="text-gray-700 mb-6">以下是一些示例提示词及其生成的图表：</p>
+
+                    <div className="space-y-8">
+                        {/* Animated Transformer */}
+                        <div className="text-center">
+                            <h3 className="text-lg font-semibold text-gray-900 mb-2">动画Transformer连接器</h3>
+                            <p className="text-gray-600 mb-4">
+                                <strong>提示词：</strong> 给我一个带有<strong>动画连接器</strong>的Transformer架构图。
+                            </p>
+                            <Image src="/animated_connectors.svg" alt="带动画连接器的Transformer架构" width={480} height={360} className="mx-auto" />
+                        </div>
+
+                        {/* Cloud Architecture Grid */}
+                        <div className="grid md:grid-cols-2 gap-6">
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">GCP架构图</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>提示词：</strong> 使用<strong>GCP图标</strong>生成一个GCP架构图。用户连接到托管在实例上的前端。
+                                </p>
+                                <Image src="/gcp_demo.svg" alt="GCP架构图" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">AWS架构图</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>提示词：</strong> 使用<strong>AWS图标</strong>生成一个AWS架构图。用户连接到托管在实例上的前端。
+                                </p>
+                                <Image src="/aws_demo.svg" alt="AWS架构图" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">Azure架构图</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>提示词：</strong> 使用<strong>Azure图标</strong>生成一个Azure架构图。用户连接到托管在实例上的前端。
+                                </p>
+                                <Image src="/azure_demo.svg" alt="Azure架构图" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">猫咪素描</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>提示词：</strong> 给我画一只可爱的猫。
+                                </p>
+                                <Image src="/cat_demo.svg" alt="猫咪绘图" width={240} height={240} className="mx-auto" />
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* How It Works */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">工作原理</h2>
+                    <p className="text-gray-700 mb-4">本应用使用以下技术：</p>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>Next.js</strong>：用于前端框架和路由</li>
+                        <li><strong>Vercel AI SDK</strong>（<code>ai</code> + <code>@ai-sdk/*</code>）：用于流式AI响应和多提供商支持</li>
+                        <li><strong>react-drawio</strong>：用于图表表示和操作</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        图表以XML格式表示，可在draw.io中渲染。AI处理您的命令并相应地生成或修改此XML。
+                    </p>
+
+                    {/* Multi-Provider Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">多提供商支持</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
+                        <li>AWS Bedrock（默认）</li>
+                        <li>OpenAI / OpenAI兼容API（通过 <code>OPENAI_BASE_URL</code>）</li>
+                        <li>Anthropic</li>
+                        <li>Google AI</li>
+                        <li>Azure OpenAI</li>
+                        <li>Ollama</li>
+                        <li>OpenRouter</li>
+                        <li>DeepSeek</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        注意：<code>claude-sonnet-4-5</code> 已在带有AWS标志的draw.io图表上进行训练，因此如果您想创建AWS架构图，这是最佳选择。
+                    </p>
+
+                    {/* Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">支持与联系</h2>
+                    <p className="text-gray-700">
+                        如果您觉得这个项目有用，请考虑{" "}
+                        <a href="https://github.com/sponsors/DayuanJiang" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            赞助
+                        </a>{" "}
+                        来帮助托管在线演示站点！
+                    </p>
+                    <p className="text-gray-700 mt-2">
+                        如需支持或咨询，请在{" "}
+                        <a href="https://github.com/DayuanJiang/next-ai-draw-io" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            GitHub仓库
+                        </a>{" "}
+                        上提交issue或联系：me[at]jiang.jp
+                    </p>
+
+                    {/* CTA */}
+                    <div className="mt-12 text-center">
+                        <Link
+                            href="/"
+                            className="inline-block bg-blue-600 text-white px-8 py-3 rounded-lg font-semibold hover:bg-blue-700 transition-colors"
+                        >
+                            打开编辑器
+                        </Link>
+                    </div>
+                </article>
+            </main>
+
+            {/* Footer */}
+            <footer className="bg-white border-t border-gray-200 mt-16">
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
+                    <p className="text-center text-gray-600 text-sm">
+                        Next AI Draw.io - 开源AI驱动的图表生成器
+                    </p>
+                </div>
+            </footer>
+        </div>
+    );
+}
diff --git a/app/about/ja/page.tsx b/app/about/ja/page.tsx
new file mode 100644
index 0000000..56cc2b9
--- /dev/null
+++ b/app/about/ja/page.tsx
@@ -0,0 +1,190 @@
+import type { Metadata } from "next";
+import Link from "next/link";
+import { FaGithub } from "react-icons/fa";
+import Image from "next/image";
+
+export const metadata: Metadata = {
+    title: "概要 - Next AI Draw.io",
+    description: "AI搭載のダイアグラム作成ツール - チャット、描画、可視化。自然言語でAWS、GCP、Azureアーキテクチャ図を作成。",
+    keywords: ["AIダイアグラム", "draw.io", "AWSアーキテクチャ", "GCPダイアグラム", "Azureダイアグラム", "LLM"],
+};
+
+export default function AboutJA() {
+    return (
+        <div className="min-h-screen bg-gray-50">
+            {/* Navigation */}
+            <header className="bg-white border-b border-gray-200">
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-4">
+                    <div className="flex items-center justify-between">
+                        <Link href="/" className="text-xl font-bold text-gray-900 hover:text-gray-700">
+                            Next AI Draw.io
+                        </Link>
+                        <nav className="flex items-center gap-6 text-sm">
+                            <Link href="/" className="text-gray-600 hover:text-gray-900 transition-colors">
+                                エディタ
+                            </Link>
+                            <Link href="/about/ja" className="text-blue-600 font-semibold">
+                                概要
+                            </Link>
+                            <a
+                                href="https://github.com/DayuanJiang/next-ai-draw-io"
+                                target="_blank"
+                                rel="noopener noreferrer"
+                                className="text-gray-600 hover:text-gray-900 transition-colors"
+                                aria-label="GitHubで見る"
+                            >
+                                <FaGithub className="w-5 h-5" />
+                            </a>
+                        </nav>
+                    </div>
+                </div>
+            </header>
+
+            {/* Main Content */}
+            <main className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+                <article className="prose prose-lg max-w-none">
+                    {/* Title */}
+                    <div className="text-center mb-8">
+                        <h1 className="text-4xl font-bold text-gray-900 mb-2">Next AI Draw.io</h1>
+                        <p className="text-xl text-gray-600 font-medium">
+                            AI搭載のダイアグラム作成ツール - チャット、描画、可視化
+                        </p>
+                        <div className="flex justify-center gap-4 mt-4 text-sm">
+                            <Link href="/about" className="text-gray-600 hover:text-blue-600">English</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/cn" className="text-gray-600 hover:text-blue-600">中文</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/ja" className="text-blue-600 font-semibold">日本語</Link>
+                        </div>
+                    </div>
+
+                    <p className="text-gray-700">
+                        AI機能とdraw.ioダイアグラムを統合したNext.jsウェブアプリケーションです。自然言語コマンドとAI支援の可視化により、ダイアグラムを作成、修正、強化できます。
+                    </p>
+
+                    {/* Features */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">機能</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>LLM搭載のダイアグラム作成</strong>：大規模言語モデルを活用して、自然言語コマンドで直接draw.ioダイアグラムを作成・操作</li>
+                        <li><strong>画像ベースのダイアグラム複製</strong>：既存のダイアグラムや画像をアップロードし、AIが自動的に複製・強化</li>
+                        <li><strong>ダイアグラム履歴</strong>：すべての変更を追跡する包括的なバージョン管理。AI編集前のダイアグラムの以前のバージョンを表示・復元可能</li>
+                        <li><strong>インタラクティブなチャットインターフェース</strong>：AIとリアルタイムでコミュニケーションしてダイアグラムを改善</li>
+                        <li><strong>AWSアーキテクチャダイアグラムサポート</strong>：AWSアーキテクチャダイアグラムの生成を専門的にサポート</li>
+                        <li><strong>アニメーションコネクタ</strong>：より良い可視化のためにダイアグラム要素間に動的でアニメーション化されたコネクタを作成</li>
+                    </ul>
+
+                    {/* Examples */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">例</h2>
+                    <p className="text-gray-700 mb-6">以下はいくつかのプロンプト例と生成されたダイアグラムです：</p>
+
+                    <div className="space-y-8">
+                        {/* Animated Transformer */}
+                        <div className="text-center">
+                            <h3 className="text-lg font-semibold text-gray-900 mb-2">アニメーションTransformerコネクタ</h3>
+                            <p className="text-gray-600 mb-4">
+                                <strong>プロンプト：</strong> <strong>アニメーションコネクタ</strong>付きのTransformerアーキテクチャ図を作成してください。
+                            </p>
+                            <Image src="/animated_connectors.svg" alt="アニメーションコネクタ付きTransformerアーキテクチャ" width={480} height={360} className="mx-auto" />
+                        </div>
+
+                        {/* Cloud Architecture Grid */}
+                        <div className="grid md:grid-cols-2 gap-6">
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">GCPアーキテクチャ図</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>プロンプト：</strong> <strong>GCPアイコン</strong>を使用してGCPアーキテクチャ図を生成してください。ユーザーがインスタンス上でホストされているフロントエンドに接続します。
+                                </p>
+                                <Image src="/gcp_demo.svg" alt="GCPアーキテクチャ図" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">AWSアーキテクチャ図</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>プロンプト：</strong> <strong>AWSアイコン</strong>を使用してAWSアーキテクチャ図を生成してください。ユーザーがインスタンス上でホストされているフロントエンドに接続します。
+                                </p>
+                                <Image src="/aws_demo.svg" alt="AWSアーキテクチャ図" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">Azureアーキテクチャ図</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>プロンプト：</strong> <strong>Azureアイコン</strong>を使用してAzureアーキテクチャ図を生成してください。ユーザーがインスタンス上でホストされているフロントエンドに接続します。
+                                </p>
+                                <Image src="/azure_demo.svg" alt="Azureアーキテクチャ図" width={400} height={300} className="mx-auto" />
+                            </div>
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">猫のスケッチ</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>プロンプト：</strong> かわいい猫を描いてください。
+                                </p>
+                                <Image src="/cat_demo.svg" alt="猫の絵" width={240} height={240} className="mx-auto" />
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* How It Works */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">仕組み</h2>
+                    <p className="text-gray-700 mb-4">本アプリケーションは以下の技術を使用しています：</p>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>Next.js</strong>：フロントエンドフレームワークとルーティング</li>
+                        <li><strong>Vercel AI SDK</strong>（<code>ai</code> + <code>@ai-sdk/*</code>）：ストリーミングAIレスポンスとマルチプロバイダーサポート</li>
+                        <li><strong>react-drawio</strong>：ダイアグラムの表現と操作</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        ダイアグラムはdraw.ioでレンダリングできるXMLとして表現されます。AIがコマンドを処理し、それに応じてこのXMLを生成または変更します。
+                    </p>
+
+                    {/* Multi-Provider Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">マルチプロバイダーサポート</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
+                        <li>AWS Bedrock（デフォルト）</li>
+                        <li>OpenAI / OpenAI互換API（<code>OPENAI_BASE_URL</code>経由）</li>
+                        <li>Anthropic</li>
+                        <li>Google AI</li>
+                        <li>Azure OpenAI</li>
+                        <li>Ollama</li>
+                        <li>OpenRouter</li>
+                        <li>DeepSeek</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        注：<code>claude-sonnet-4-5</code>はAWSロゴ付きのdraw.ioダイアグラムで学習されているため、AWSアーキテクチャダイアグラムを作成したい場合は最適な選択です。
+                    </p>
+
+                    {/* Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">サポート＆お問い合わせ</h2>
+                    <p className="text-gray-700">
+                        このプロジェクトが役に立ったら、ライブデモサイトのホスティングを支援するために{" "}
+                        <a href="https://github.com/sponsors/DayuanJiang" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            スポンサー
+                        </a>{" "}
+                        をご検討ください！
+                    </p>
+                    <p className="text-gray-700 mt-2">
+                        サポートやお問い合わせについては、{" "}
+                        <a href="https://github.com/DayuanJiang/next-ai-draw-io" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            GitHubリポジトリ
+                        </a>{" "}
+                        でissueを開くか、ご連絡ください：me[at]jiang.jp
+                    </p>
+
+                    {/* CTA */}
+                    <div className="mt-12 text-center">
+                        <Link
+                            href="/"
+                            className="inline-block bg-blue-600 text-white px-8 py-3 rounded-lg font-semibold hover:bg-blue-700 transition-colors"
+                        >
+                            エディタを開く
+                        </Link>
+                    </div>
+                </article>
+            </main>
+
+            {/* Footer */}
+            <footer className="bg-white border-t border-gray-200 mt-16">
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
+                    <p className="text-center text-gray-600 text-sm">
+                        Next AI Draw.io - オープンソースAI搭載ダイアグラムジェネレーター
+                    </p>
+                </div>
+            </footer>
+        </div>
+    );
+}
diff --git a/app/about/page.tsx b/app/about/page.tsx
index b4dd387..98ce7fa 100644
--- a/app/about/page.tsx
+++ b/app/about/page.tsx
@@ -1,11 +1,12 @@
 import type { Metadata } from "next";
 import Link from "next/link";
 import { FaGithub } from "react-icons/fa";
+import Image from "next/image";
 
 export const metadata: Metadata = {
-    title: "About - AI-Powered Diagram Generator | Next AI Draw.io",
-    description: "Learn about Next AI Draw.io, a free AI-powered diagram creation tool. Create AWS architecture diagrams, flowcharts, and UML diagrams using Claude Sonnet and GPT-4. No login required.",
-    keywords: ["about AI diagram generator", "diagram tool features", "how to create diagrams", "AI drawing tool capabilities", "draw.io integration"],
+    title: "About - Next AI Draw.io",
+    description: "AI-Powered Diagram Creation Tool - Chat, Draw, Visualize. Create AWS, GCP, and Azure architecture diagrams with natural language.",
+    keywords: ["AI diagram", "draw.io", "AWS architecture", "GCP diagram", "Azure diagram", "LLM"],
 };
 
 export default function About() {
@@ -13,7 +14,7 @@ export default function About() {
         <div className="min-h-screen bg-gray-50">
             {/* Navigation */}
             <header className="bg-white border-b border-gray-200">
-                <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-4">
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-4">
                     <div className="flex items-center justify-between">
                         <Link href="/" className="text-xl font-bold text-gray-900 hover:text-gray-700">
                             Next AI Draw.io
@@ -40,295 +41,149 @@ export default function About() {
             </header>
 
             {/* Main Content */}
-            <main className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
-                <article>
-                    {/* Hero Section */}
-                    <header className="mb-12">
-                        <h1 className="text-4xl font-bold text-gray-900 mb-4">
-                            AI-Powered Diagram Generator | Create Professional Diagrams Instantly
-                        </h1>
-                        <p className="text-xl text-gray-600">
-                            Free, open-source diagram creation tool powered by AI. No login required, no installation needed.
+            <main className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+                <article className="prose prose-lg max-w-none">
+                    {/* Title */}
+                    <div className="text-center mb-8">
+                        <h1 className="text-4xl font-bold text-gray-900 mb-2">Next AI Draw.io</h1>
+                        <p className="text-xl text-gray-600 font-medium">
+                            AI-Powered Diagram Creation Tool - Chat, Draw, Visualize
                         </p>
-                    </header>
-
-                    {/* Introduction */}
-                    <section className="mb-12">
-                        <h2 className="text-2xl font-semibold text-gray-900 mb-4">What is Next AI Draw.io?</h2>
-                        <div className="prose prose-lg max-w-none text-gray-700">
-                            <p className="mb-4">
-                                <strong>Next AI Draw.io</strong> is a free, AI-powered diagram creation tool that integrates seamlessly with draw.io.
-                                Generate AWS architecture diagrams, flowcharts, UML diagrams, and technical documentation diagrams using natural language
-                                prompts. No login required, no installation needed—start creating professional diagrams instantly in your browser.
-                            </p>
-                            <p className="mb-4">
-                                Our intelligent diagram generator uses advanced AI models including <strong>Claude Sonnet</strong> and <strong>GPT-4</strong> to
-                                understand your requirements and automatically create properly structured diagrams with appropriate symbols, layouts, and connections.
-                                Simply describe what you need, upload reference images, or ask the AI to modify existing diagrams with our targeted XML editing feature.
-                            </p>
-                            <p>
-                                Whether you're a software architect designing system infrastructure, a developer documenting APIs, a business analyst creating
-                                process flows, or a student working on technical assignments, Next AI Draw.io makes diagram creation fast, accurate, and effortless.
-                            </p>
+                        <div className="flex justify-center gap-4 mt-4 text-sm">
+                            <Link href="/about" className="text-blue-600 font-semibold">English</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/cn" className="text-gray-600 hover:text-blue-600">中文</Link>
+                            <span className="text-gray-400">|</span>
+                            <Link href="/about/ja" className="text-gray-600 hover:text-blue-600">日本語</Link>
                         </div>
-                    </section>
+                    </div>
 
-                    {/* Key Features */}
-                    <section className="mb-12">
-                        <h2 className="text-2xl font-semibold text-gray-900 mb-6">Key Features</h2>
+                    <p className="text-gray-700">
+                        A Next.js web application that integrates AI capabilities with draw.io diagrams.
+                        Create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.
+                    </p>
+
+                    {/* Features */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">Features</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>LLM-Powered Diagram Creation</strong>: Leverage Large Language Models to create and manipulate draw.io diagrams directly through natural language commands</li>
+                        <li><strong>Image-Based Diagram Replication</strong>: Upload existing diagrams or images and have the AI replicate and enhance them automatically</li>
+                        <li><strong>Diagram History</strong>: Comprehensive version control that tracks all changes, allowing you to view and restore previous versions of your diagrams before the AI editing</li>
+                        <li><strong>Interactive Chat Interface</strong>: Communicate with AI to refine your diagrams in real-time</li>
+                        <li><strong>AWS Architecture Diagram Support</strong>: Specialized support for generating AWS architecture diagrams</li>
+                        <li><strong>Animated Connectors</strong>: Create dynamic and animated connectors between diagram elements for better visualization</li>
+                    </ul>
+
+                    {/* Examples */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">Examples</h2>
+                    <p className="text-gray-700 mb-6">Here are some example prompts and their generated diagrams:</p>
+
+                    <div className="space-y-8">
+                        {/* Animated Transformer */}
+                        <div className="text-center">
+                            <h3 className="text-lg font-semibold text-gray-900 mb-2">Animated Transformer Connectors</h3>
+                            <p className="text-gray-600 mb-4">
+                                <strong>Prompt:</strong> Give me an <strong>animated connector</strong> diagram of transformer&apos;s architecture.
+                            </p>
+                            <Image src="/animated_connectors.svg" alt="Transformer Architecture with Animated Connectors" width={480} height={360} className="mx-auto" />
+                        </div>
+
+                        {/* Cloud Architecture Grid */}
                         <div className="grid md:grid-cols-2 gap-6">
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    AI-Powered Diagram Creation
-                                </h3>
-                                <p className="text-gray-700">
-                                    Generate diagrams from natural language descriptions using Claude Sonnet or GPT-4.
-                                    Describe your diagram in plain English, and watch the AI create it with proper symbols,
-                                    layouts, and connections automatically.
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">GCP Architecture Diagram</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>Prompt:</strong> Generate a GCP architecture diagram with <strong>GCP icons</strong>. Users connect to a frontend hosted on an instance.
                                 </p>
+                                <Image src="/gcp_demo.svg" alt="GCP Architecture Diagram" width={400} height={300} className="mx-auto" />
                             </div>
-
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    AWS Architecture Diagrams
-                                </h3>
-                                <p className="text-gray-700">
-                                    Create professional cloud infrastructure diagrams with AWS-style icons and layouts.
-                                    Perfect for designing EC2 instances, Lambda functions, S3 buckets, RDS databases, VPCs,
-                                    and complete AWS solution architectures.
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">AWS Architecture Diagram</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>Prompt:</strong> Generate an AWS architecture diagram with <strong>AWS icons</strong>. Users connect to a frontend hosted on an instance.
                                 </p>
+                                <Image src="/aws_demo.svg" alt="AWS Architecture Diagram" width={400} height={300} className="mx-auto" />
                             </div>
-
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    Image-Based Diagram Replication
-                                </h3>
-                                <p className="text-gray-700">
-                                    Upload existing diagrams or sketches, and the AI will automatically recreate them in draw.io format.
-                                    Modify uploaded images by describing the changes you want—the AI handles the rest.
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">Azure Architecture Diagram</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>Prompt:</strong> Generate an Azure architecture diagram with <strong>Azure icons</strong>. Users connect to a frontend hosted on an instance.
                                 </p>
+                                <Image src="/azure_demo.svg" alt="Azure Architecture Diagram" width={400} height={300} className="mx-auto" />
                             </div>
-
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    Diagram History & Version Control
-                                </h3>
-                                <p className="text-gray-700">
-                                    Access previous versions of your diagrams and restore any version from your session history.
-                                    Never lose work—every AI modification is saved and can be undone with a single click.
-                                </p>
-                            </div>
-
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    Targeted XML Editing
-                                </h3>
-                                <p className="text-gray-700">
-                                    Precise diagram modifications using intelligent XML manipulation. Unlike full diagram regeneration,
-                                    targeted edits preserve your existing layout while making specific changes, ensuring consistent
-                                    and predictable results.
-                                </p>
-                            </div>
-
-                            <div className="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
-                                <h3 className="text-lg font-semibold text-gray-900 mb-3 flex items-center">
-                                    <span className="text-blue-600 mr-2">✓</span>
-                                    Multi-Provider AI Support
-                                </h3>
-                                <p className="text-gray-700">
-                                    Choose between Claude Sonnet, GPT-4, and other leading AI models for optimal results.
-                                    Each model has unique strengths—select the one that best fits your diagram complexity and style.
+                            <div className="text-center">
+                                <h3 className="text-lg font-semibold text-gray-900 mb-2">Cat Sketch</h3>
+                                <p className="text-gray-600 text-sm mb-4">
+                                    <strong>Prompt:</strong> Draw a cute cat for me.
                                 </p>
+                                <Image src="/cat_demo.svg" alt="Cat Drawing" width={240} height={240} className="mx-auto" />
                             </div>
                         </div>
-                    </section>
-
-                    {/* Use Cases */}
-                    <section className="mb-12">
-                        <h2 className="text-2xl font-semibold text-gray-900 mb-6">Popular Use Cases</h2>
-                        <div className="grid md:grid-cols-3 gap-6">
-                            <div className="bg-blue-50 p-6 rounded-lg border border-blue-200">
-                                <h3 className="text-xl font-semibold text-gray-900 mb-3">AWS Cloud Architecture</h3>
-                                <p className="text-gray-700 mb-4">
-                                    Design scalable cloud infrastructure with EC2 instances, Lambda functions, S3 storage,
-                                    RDS databases, and VPC networking. Perfect for solution architects, cloud engineers,
-                                    and DevOps teams planning AWS deployments.
-                                </p>
-                                <p className="text-sm text-gray-600 italic">
-                                    Example: "Create an AWS diagram with an Application Load Balancer, two EC2 instances
-                                    in different availability zones, an RDS database, and an S3 bucket for static assets."
-                                </p>
-                            </div>
-
-                            <div className="bg-green-50 p-6 rounded-lg border border-green-200">
-                                <h3 className="text-xl font-semibold text-gray-900 mb-3">Flowcharts & Process Diagrams</h3>
-                                <p className="text-gray-700 mb-4">
-                                    Create business process flows, decision trees, workflow diagrams, and algorithm flowcharts
-                                    for documentation, presentations, and process optimization. Ideal for business analysts,
-                                    project managers, and operations teams.
-                                </p>
-                                <p className="text-sm text-gray-600 italic">
-                                    Example: "Draw a flowchart for user authentication: check if user exists, verify password,
-                                    generate JWT token on success, show error message on failure."
-                                </p>
-                            </div>
-
-                            <div className="bg-purple-50 p-6 rounded-lg border border-purple-200">
-                                <h3 className="text-xl font-semibold text-gray-900 mb-3">System Design & UML Diagrams</h3>
-                                <p className="text-gray-700 mb-4">
-                                    Generate system architecture diagrams, class diagrams, sequence diagrams, and
-                                    entity-relationship diagrams for software projects. Essential for software engineers,
-                                    system designers, and technical documentation.
-                                </p>
-                                <p className="text-sm text-gray-600 italic">
-                                    Example: "Create a class diagram for an e-commerce system with User, Product, Order,
-                                    and Payment classes showing their relationships and key methods."
-                                </p>
-                            </div>
-                        </div>
-                    </section>
+                    </div>
 
                     {/* How It Works */}
-                    <section className="mb-12 bg-white p-8 rounded-lg border border-gray-200">
-                        <h2 className="text-2xl font-semibold text-gray-900 mb-6">How to Use Next AI Draw.io</h2>
-                        <div className="space-y-6">
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 w-10 h-10 bg-blue-600 text-white rounded-full flex items-center justify-center font-bold mr-4">
-                                    1
-                                </div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Open the Editor</h3>
-                                    <p className="text-gray-700">
-                                        Navigate to the main page and you'll see the draw.io editor with an AI chat panel on the right.
-                                        No account creation or login required—start immediately.
-                                    </p>
-                                </div>
-                            </div>
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">How It Works</h2>
+                    <p className="text-gray-700 mb-4">The application uses the following technologies:</p>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-2">
+                        <li><strong>Next.js</strong>: For the frontend framework and routing</li>
+                        <li><strong>Vercel AI SDK</strong> (<code>ai</code> + <code>@ai-sdk/*</code>): For streaming AI responses and multi-provider support</li>
+                        <li><strong>react-drawio</strong>: For diagram representation and manipulation</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        Diagrams are represented as XML that can be rendered in draw.io. The AI processes your commands and generates or modifies this XML accordingly.
+                    </p>
 
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 w-10 h-10 bg-blue-600 text-white rounded-full flex items-center justify-center font-bold mr-4">
-                                    2
-                                </div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Describe Your Diagram</h3>
-                                    <p className="text-gray-700">
-                                        Type your diagram request in natural language. Be as detailed or as general as you like.
-                                        You can also upload reference images for the AI to analyze and replicate.
-                                    </p>
-                                </div>
-                            </div>
+                    {/* Multi-Provider Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">Multi-Provider Support</h2>
+                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
+                        <li>AWS Bedrock (default)</li>
+                        <li>OpenAI / OpenAI-compatible APIs (via <code>OPENAI_BASE_URL</code>)</li>
+                        <li>Anthropic</li>
+                        <li>Google AI</li>
+                        <li>Azure OpenAI</li>
+                        <li>Ollama</li>
+                        <li>OpenRouter</li>
+                        <li>DeepSeek</li>
+                    </ul>
+                    <p className="text-gray-700 mt-4">
+                        Note that <code>claude-sonnet-4-5</code> has trained on draw.io diagrams with AWS logos, so if you want to create AWS architecture diagrams, this is the best choice.
+                    </p>
 
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 w-10 h-10 bg-blue-600 text-white rounded-full flex items-center justify-center font-bold mr-4">
-                                    3
-                                </div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">AI Generates Your Diagram</h3>
-                                    <p className="text-gray-700">
-                                        The AI processes your request and automatically creates your diagram in seconds.
-                                        Watch as it appears in the editor with proper symbols, layouts, and connections.
-                                    </p>
-                                </div>
-                            </div>
+                    {/* Support */}
+                    <h2 className="text-2xl font-semibold text-gray-900 mt-10 mb-4">Support &amp; Contact</h2>
+                    <p className="text-gray-700">
+                        If you find this project useful, please consider{" "}
+                        <a href="https://github.com/sponsors/DayuanJiang" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            sponsoring
+                        </a>{" "}
+                        to help host the live demo site!
+                    </p>
+                    <p className="text-gray-700 mt-2">
+                        For support or inquiries, please open an issue on the{" "}
+                        <a href="https://github.com/DayuanJiang/next-ai-draw-io" target="_blank" rel="noopener noreferrer" className="text-blue-600 hover:underline">
+                            GitHub repository
+                        </a>{" "}
+                        or contact: me[at]jiang.jp
+                    </p>
 
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 w-10 h-10 bg-blue-600 text-white rounded-full flex items-center justify-center font-bold mr-4">
-                                    4
-                                </div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Refine and Export</h3>
-                                    <p className="text-gray-700">
-                                        Request modifications using the chat, manually edit in draw.io, or export to PNG, SVG,
-                                        or XML format. Access diagram history to restore previous versions anytime.
-                                    </p>
-                                </div>
-                            </div>
-                        </div>
-                    </section>
-
-                    {/* Benefits */}
-                    <section className="mb-12">
-                        <h2 className="text-2xl font-semibold text-gray-900 mb-6">Why Choose Next AI Draw.io?</h2>
-                        <div className="grid md:grid-cols-2 gap-6">
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 text-blue-600 text-2xl mr-3">⚡</div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Save Time</h3>
-                                    <p className="text-gray-700">
-                                        Create complex diagrams in seconds instead of hours. No more dragging, aligning,
-                                        or searching for the right symbols—AI handles it all.
-                                    </p>
-                                </div>
-                            </div>
-
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 text-blue-600 text-2xl mr-3">🎯</div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Precision Editing</h3>
-                                    <p className="text-gray-700">
-                                        Targeted XML editing ensures changes are precise and predictable, unlike tools
-                                        that regenerate entire diagrams and lose your layout.
-                                    </p>
-                                </div>
-                            </div>
-
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 text-blue-600 text-2xl mr-3">🆓</div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Completely Free</h3>
-                                    <p className="text-gray-700">
-                                        No subscriptions, no usage limits, no hidden costs. Open-source and free forever.
-                                        Use it for personal projects, work, or education.
-                                    </p>
-                                </div>
-                            </div>
-
-                            <div className="flex items-start">
-                                <div className="flex-shrink-0 text-blue-600 text-2xl mr-3">🔒</div>
-                                <div>
-                                    <h3 className="text-lg font-semibold text-gray-900 mb-2">Privacy First</h3>
-                                    <p className="text-gray-700">
-                                        No account required means your diagrams stay private. Work on sensitive
-                                        architecture designs without worrying about data storage or privacy policies.
-                                    </p>
-                                </div>
-                            </div>
-                        </div>
-                    </section>
-
-                    {/* CTA Section */}
-                    <section className="bg-blue-600 text-white p-8 rounded-lg text-center">
-                        <h2 className="text-3xl font-bold mb-4">Ready to Create Your First AI Diagram?</h2>
-                        <p className="text-xl mb-6">
-                            Start generating professional diagrams in seconds. No signup required.
-                        </p>
+                    {/* CTA */}
+                    <div className="mt-12 text-center">
                         <Link
                             href="/"
-                            className="inline-block bg-white text-blue-600 px-8 py-3 rounded-lg font-semibold hover:bg-gray-100 transition-colors"
+                            className="inline-block bg-blue-600 text-white px-8 py-3 rounded-lg font-semibold hover:bg-blue-700 transition-colors"
                         >
                             Open Editor
                         </Link>
-                    </section>
+                    </div>
                 </article>
             </main>
 
             {/* Footer */}
             <footer className="bg-white border-t border-gray-200 mt-16">
-                <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
-                    <div className="text-center text-gray-600 text-sm">
-                        <p className="mb-2">
-                            Next AI Draw.io - Free AI-Powered Diagram Generator
-                        </p>
-                        <p>
-                            Perfect for developers, architects, students, and business analysts.
-                            Open source. No login required.
-                        </p>
-                    </div>
+                <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
+                    <p className="text-center text-gray-600 text-sm">
+                        Next AI Draw.io - Open Source AI-Powered Diagram Generator
+                    </p>
                 </div>
             </footer>
         </div>