"Create a thumbnail for an educational YouTube video about mental health disorders. This image aims to offer healing and understanding to viewers. The design should be clean and composed with calm color tones, incorporating elements that instantly evoke mental well-being and healing. Possible suggestions include a serene background in gentle hues, with a central icon or illustration symbolizing peace of mind, such as a lotus flower, calm water surface, or hands gently embracing. It's crucial to convey the message through visuals alone, without any text. Ensure the creation has a clarity and high-quality finish that closely resembles a real photograph, capturing vivid detail and richness in texture, 4k --ar 16:9 --niji 6