feat(layout): [layout] Optimize demo style

[Youyou-smiles]

PR

PR Checklist

Please check if your PR fulfills the following requirements:

• [ ] The commit message follows our Commit Message Guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• [ ] Yes
• [ ] No

Other information

Summary by CodeRabbit

• New Features
  • Enhanced layout styling for improved content alignment within columns.
  • Content is now centered both vertically and horizontally in designated rows.

[coderabbitai[bot]]

Walkthrough

The pull request introduces modifications to two Vue component files, alignment-composition-api.vue and alignment.vue. Both files receive an additional CSS rule targeting the .row-bg .col selector, which sets the display to flex and centers the content both vertically and horizontally. These changes focus solely on enhancing the layout of the columns without altering the template structure or script logic.

Changes

File Path	Change Summary
examples/sites/demos/pc/app/layout/alignment-composition-api.vue, examples/sites/demos/pc/app/layout/alignment.vue	Added CSS rules to .row-bg .col to set display: flex, align-items: center, and justify-content: center for improved content alignment.

Possibly related PRs

• #2337: This PR modifies the same CSS rule for the .row-bg .col selector in alignment.vue, which is directly related to the changes made in the main PR for `alignment-composition-api.vue.
• #2382: This PR introduces scoped styles that may affect layout, similar to the layout enhancements in the main PR.
• #2384: This PR updates the layout of the autocomplete component, involving similar CSS adjustments for component presentation.
• #2420: This PR modifies the demo for the drawer component, involving layout changes.
• #2421: This PR modifies the dialog box demo, focusing on form handling and display.
• #2423: This PR addresses button styling for icon buttons.
• #2427: This PR optimizes the demo style for the date picker component, involving layout changes.

Suggested labels

enhancement

Suggested reviewers

• zzcr

🐇 In the fields where the bunnies play,
New styles have come to brighten the day.
With flex and center, they hop with glee,
Aligning the content, oh so free!
A layout so neat, a sight to behold,
In our cozy burrow, the changes unfold! 🌼

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