写实油画风格秋季自然山水风光蜿蜒河流金黄树林静谧壮

natural landscape photograph, realistic style, main colors of yellow, blue, and green, harmonious and natural color scheme, winding blue river running through the scene, orderly trees on both sides of the river, distinct spatial layers, forest covering hills with golden yellow leaves interspersed with green, serene and peaceful atmosphere, autumn natural scenery, detailed elements including tree textures and river ripples, background of hills and forest, natural and realistic treatment, fresh and natural visual effect, conveying tranquility, beauty, and autumn atmosphere