Describe the bug

In single-language mode, the new version 4278a07 displays a vertical line next to the title. The old version 66904cc does not have this bug.
Can you help fix this problem?thanks

• Device/Os: windows 11,ios 16
• Type: Desktop&Mobile
• Browser and version [e.g. Chrome 86.0]:
• Hugo Version [ >=0.123.7 expected]:
• Theme Version [e.g. v4.0, master, or commit-id ]:4278a07

Steps to reproduce the behavior:

Expected behavior:

In single-language mode, the new version 4278a07 displays a vertical line next to the title. The old version 66904cc does not have this bug.
Repo/Source where this issue can be reproduced:

The new version https://chowray.netlify.app/
The old version https://deploy-preview-131--chowray.netlify.app/
Screenshots

The new version

The old version

Additional context