Sora提示词：Riverside in a ghostly

Riverside in a ghostly forest, the water dark and turbulent, surrounded by mist – A cold, unsettling mood, with black and gray tones dominating.根据前面文字描述生成9:16 竖屏视频，视频不要出现文字或人物 视频风格以压抑为主，画面色调以黑白灰为主