fix: incorrect code link color

[chenjiahan]

Summary

Fix incorrect code link color.

• Input:

[`This is code link`](https://rsbuild.dev/)

[This is link](https://rsbuild.dev/)

`This is code`

• before this PR:

• with this PR:

Related Issue

We have fixed this issue in #1016, but it is broken again. I think LightningCSS changed the CSS priority and caused this bug.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for aquamarine-blini-95325f ready!

Name	Link
🔨 Latest commit	daf479f
🔍 Latest deploy log	https://app.netlify.com/sites/aquamarine-blini-95325f/deploys/6729911d058a0d0008461953
😎 Deploy Preview	https://deploy-preview-1551--aquamarine-blini-95325f.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 74 (🔴 down 19 from production) Accessibility: 97 (no change from production) Best Practices: 92 (no change from production) SEO: 100 (no change from production) PWA: - View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify site configuration.