A pure color vertical rectangle with the words "Good luck" written on it, featuring an illustration of a smiley face in light red and white tones. The background is a color with subtle brushstrokes, creating a soft atmosphere. It has a simple design that embodies calmness and simplicity. There's no text or characters in front of the smiling emoji, just the word 'Microphone' in English letters at the bottom center. This design creates a beautiful visual effect., --ar 9:16 --quality 2 --v 6.1
