简约卡通风格现代运动场跑道看台城市背景户外场景插画

minimalist style, main colors red, orange, and blue, foreground with red track and white markings, background with orange bleachers and light gray canopy, left side with soccer goal and blue training equipment, distant green vegetation and buildings, clear and bright environment, modern and professional sports venue atmosphere, harmonious color scheme, uplifting feeling