kling-video/v2.1/pro/image-to-video Prompt: A proud father gently places his hand on his son's head, blessing him. The son stands in graduation robes, holding his certificate with humility. Warm golden sunset light pours in from the window behind them, casting soft shadows. The camera captures the moment in slow motion with cinematic ambient light flares, emotional expressions, and a peaceful atmosphere. 4K HDR, soft-focus depth, shallow DOF, film-grade color grading.