Nano Banana 2 提示词 - 倒悬于线上的轻盈人影

Upside-down human figure suspended from a single vertical line, body slightly curled inward, knees bent toward the torso, ankles relaxed, both hands gripping the line above the head, elbows bent and close together, one hand subtly angled as if gesturing, head tilted downward toward the viewer, compact and balanced posture, relaxed but controlled, centered composition, minimal background, dynamic hanging pose with a sense of lightness and agility