style: overview page

[sanyuan0704]

Summary

Fix #265

Related Issue

Checklist

• I have added changeset via pnpm run change.
• I have updated the documentation.
• I have added tests to cover my changes.

[netlify]

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Lighthouse	1 paths audited Performance: 65 (🟢 up 2 from production) Accessibility: 79 (no change from production) Best Practices: 100 (no change from production) SEO: 92 (no change from production) PWA: - View the detailed breakdown and full score reports

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