东方禅意极简秋日银杏阶梯海报

Theme: Oriental Zen Minimalist Poster. Style branch: High-contrast solar term style. Main content: A figure walking slowly up a long staircase. Emotional motif: Clear autumn, upward, life within stillness. Scene and imagery: Lemon yellow ginkgo leaves, indigo blue staircase shadows, cold white wall, figure silhouette. Composition and space: Depth composition, long staircase extending upward, the figure is located in the lower-middle part, ginkgo leaves are dotted on the steps and blank areas. Color control: Cold white as the wall and background base, indigo blue for staircase shadows and spatial layers, lemon yellow for ginkgo leaf accents, ink grey for the figure silhouette; avoid overall yellowing. Light and texture: Bright natural light, light paper feel, sharp edges, small amount of grain. Aspect ratio: 9:16. Additional requirements: The stairs should be minimalist, the number of ginkgo leaves should be small but striking, the overall feel is lightweight and transparent.

主题方向：东方禅意极简海报
风格分支：高对比节气型
主体内容：一位沿长阶缓慢向上走的人物
情绪母题：秋日清朗、向上、静中有生机
场景与意象：柠檬黄银杏叶、青黛蓝阶梯阴影、冷白墙面、人物剪影
构图与空间：纵深构图，长阶向上延伸，人物位于中下部，银杏叶点缀在台阶与留白区域
色彩控制：冷白作为墙面与背景基底，青黛蓝用于台阶阴影和空间层次，柠檬黄用于银杏叶点睛，墨灰用于人物轮廓；避免整图泛黄
光线与质感：明亮自然光，轻纸感，边缘清晰，少量颗粒
画幅比例：9:16 
补充要求：台阶要极简，银杏叶数量少但醒目，整体轻盈通透