【j20-a·巨木根须区】 (用于上段开局：阿彩起跑冲刺、借力蹬树、过肩摔。地形高低起伏，适合跑酷和摔倒) text 16:9 wide screen, 8k, live-action cinematic film still, photorealistic, shot on arri alexa 65, kodak vision3 500t film grain. a specific area deep in the ancient forest. massive, ancient tree trunks dominate the frame. the ground is a chaotic, labyrinthine network of thick, twisting tree roots protruding from the earth. thick green moss and wet mud cover the roots. hanging vines drape down from above. the lighting is darker, with dramatic side lighting highlighting the rough texture of the bark and roots. ideal for parkour and heavy impacts. no characters, no people, no text, no watermark.