docs: 添加在线体验、GitHub 仓库、组织的反向链接

Author: keta1930

docs/.vitepress/config.ts

@@ -20,6 +20,7 @@ export default defineConfig({
       { text: '指南', link: '/guide/what-is-this' },
       { text: '教师', link: '/guide/for-teachers' },
       { text: '学生', link: '/guide/for-students' },
+      { text: '在线体验', link: 'https://econai-agent.com' },
       { text: 'GitHub', link: 'https://github.com/ai-lingnan/econai-agent-platform' },
     ],
 
@@ -54,6 +55,11 @@ export default defineConfig({
       { icon: 'github', link: 'https://github.com/ai-lingnan/econai-agent-platform' },
     ],
 
+    footer: {
+      message: '<a href="https://econai-agent.com">在线体验</a> · <a href="https://github.com/ai-lingnan/econai-agent-platform">GitHub</a> · <a href="https://github.com/ai-lingnan">AI Lingnan</a>',
+      copyright: 'AGPL-3.0 Licensed',
+    },
+
     outline: { label: '目录' },
     docFooter: { prev: '上一篇', next: '下一篇' },
     darkModeSwitchLabel: '主题',

docs/index.md

@@ -6,11 +6,11 @@ hero:
   tagline: 教师发布作业，学生提交，AI 自动批改 — 开箱即用的智能教学平台
   actions:
     - theme: brand
+      text: 在线体验
+      link: https://econai-agent.com
+    - theme: alt
       text: 5 分钟部署上线
       link: /guide/getting-started
-    - theme: alt
-      text: 了解平台能做什么
-      link: /guide/what-is-this
 
 features:
   - title: 作业自动批改