< img src="https://via.placeholder.com/400x400/eee/ccc?text=手工小提琴" alt="手工小提琴">

< img src="https://via.placeholder.com/400x400/eee/ccc?text=高级小提琴" alt="高级小提琴">

< img src="https://via.placeholder.com/400x400/eee/ccc?text=琴弓" alt="琴弓">

< img src="https://via.placeholder.com/400x400/eee/ccc?text=琴盒" alt="琴盒">