Oriental Zen Minimalist Autumn Wallpaper

Theme direction: {argument name="theme" default="Oriental Zen minimalist poster"}
Style branch: High-contrast seasonal type
Main subject: {argument name="character action" default="A figure slowly walking up a long staircase"}
Emotional motif: Clear autumn day, upward momentum, vitality within stillness
Scenes and imagery: Lemon-yellow gingko leaves, indigo-blue staircase shadows, cool white walls, character silhouette
Composition and space: Deep composition, staircase extending upwards, character located in the lower-middle part, gingko leaves dotting the steps and negative space areas
Color control: {argument name="color control" default="Cool white as the wall and background base, indigo blue for staircase shadows and spatial layers, lemon yellow for gingko leaf highlights, ink gray for character outlines"}; avoid yellow tint across the entire image
Light and texture: Bright natural light, light paper feel, clear edges, small amount of grain
Aspect ratio: 9:16
Additional requirements: The steps should be minimalist, gingko leaves should be few but striking, overall light and transparent

主题方向：{argument name="主题" default="东方禅意极简海报"}
风格分支：高对比节气型
主体内容：{argument name="人物动作" default="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：{argument name="色彩控制" default="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