Here is a suggested English translation and copywriting for the phrase "追光的猫" (Zhuiguang de Mao):

"The Cat that Chases the Light"
Copywriting:
Gracefully stalking across the floor,
The cat's gaze fixates on the dancing light.
Ever playful, ever curious,
Chasing the elusive beam with boundless delight.
A moment of pure feline joy,
As paws reach out to capture the ethereal toy.
In the dance of cat and light, a bond is formed -
A reminder that simple pleasures can keep the spirit warm.
The "Cat that Chases the Light" embodies the whimsical, carefree spirit of our feline friends. It captures the pure joy and amusement they find in the most basic of games - the pursuit of an ever-moving patch of light. This charming phrase celebrates the childlike wonder and playfulness that cats bring to our lives, inviting us to embrace our own sense of curiosity and delight in the small moments.