Focus chart switching implementation

Today, we had a rest on the third day of the National Day. It didn't go out in the rain, and changed the company's focus chart to switch over.

Simple requirements:

1. automatic switch between text and big image

2. When you click the text, the big image changes accordingly.

3. When the mouse is on a text or large image, the automatic switch is stopped. When the mouse is removed, the automatic switch is resumed.

4. No. It's so simple, not complicated, and practical.

RelatedCodeAs follows: only simple structure styles can be modified.

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