Joycelyn 李子彤 Design Studio v3.4
Compatible: WordPress 6.2.14 / PHP 5.6.40

Header fix:
- Removes the old JOYcelyn/Joycelyn 李子彤 + DESIGN STUDIO text identity from the header.
- Displays exactly one horizontal rectangular logo, centered in the original brand area.
- Prevents the v3.2/v3.3 logo from appearing a second time.
- Existing content, images and social settings are preserved.
