请将以下主题转化成一份详细的prompt：U - 画面主体：A majestic unicorn in a mystical forest - 材质：Ethereal oil painting - 附加细节：Sunlight streaming through the leaves, casting a soft glow on the unicorn's mane; delicate flowers blooming in vibrant colors around the forest; a sparkling river flowing peacefully in the background - 图像质量：(best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),HDR,UHD,studio lighting - 艺术风格：Fantasy, magical realism - 色彩色调：Soft pastel colors with hints of gold and silver - 灯光：Soft, warm sunlight filtering through the trees, creating an enchanting atmosphere

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