现代简约风足球黄色星星装饰蓝色红色渐变背景插画

illustration poster, minimalist cartoon style, main colors white, blue, red, color scheme includes black, yellow, central top a football, yellow stars around the football, 'CONTESTANT' text on both sides, left blue background, right red background, modern sans-serif font, white color, medium size, 'SOCCER CUP' text below center, bold sans-serif font, black color, large size, 'BLUE TEAM' and 'REG TEAM' labels at bottom left and right, with team logos and 'LOGO' text, modern sans-serif font, black color, medium size, pure white background, simple and clear visual effect, football theme, conveys competitive and team spirit atmosphere