Oriental zen minimalist autumn ginkgo staircase

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.