Girl anime illustration, mountain, cool tone

A dynamic anime concert illustration, featuring , performing on a school festival stage. The composition uses a dramatic low-angle upward shot, presenting a full-body close-up composition. She is a beautiful girl with extremely long straight hair, hair color is , flowing to the side with the playing motion. She wears a dark navy Japanese school uniform, paired with a fitted blazer, a white shirt, a blue ribbon bow and a gray-blue pleated skirt. Her expression is cold, serious and focused. She is playing a sunset-colored electric bass, with a tortoiseshell pickguard, and it must be a genuine , with the neck extending to the left side of the frame, and the fretting hand position adjusted accordingly. The stage background is an indoor school auditorium, packed with students downstairs and in the stands, with bright concert spotlights, ceiling trusses, floating musical note decorations and confetti-like glowing particles in the air. Behind her is a huge banner with written on it. In the left foreground is a black speaker stack with an "Ampeg" logo and the text , and in the right background is a drum kit with a clearly visible "YAMAHA" brand. Emphasize the energetic live performance dynamics, glossy instrument reflections, detailed audience depth of field, dramatic purple and white stage lighting, and a refined high-end anime illustration texture, SFW.