1. suit: men can choose a classic black or dark gray suit with a white or light-colored shirt and a red tie to show a formal and professional image.
2. Suit: Women can choose a slim suit, such as a black or dark gray suit with a white or light-colored shirt, and then use a red scarf or tie to add highlights.
3, formal dress: the occasion requires more formal and solemn, men can choose to wear a black dress, with a red tie or bow. Women can choose long evening dresses or scarves with red accessories.