The theme of the UI should clearly convey the feeling of moon mile. The bedroom by the lake and forest under the moonlight should have a peaceful and serene atmosphere. Blue is usually associated with night, moonlight, and water, so you can choose light blue or dark blue as the theme color. This will help create a quiet and peaceful atmosphere. Use soft lighting effects to simulate the effect of moonlight shining on rooms, lakes, and forests. Avoid overly dazzling or bright colors to maintain a sense of tranquility. Add natural elements such as trees, water surfaces, lakes, and stars to the design to convey the feeling of lakeside and forest. These elements can appear as backgrounds, icons, or illustrations in the UI. Keep the UI simple to ensure that users can easily find the information they need. Use clear layout and easy to read fonts. Use smooth transition effects in the UI to simulate calm in lakes and forests. Avoid intense animations to maintain a sense of tranquility. If the application or website supports sound effects, consider adding soft natural sounds such as frog chirping, bird chirping, or the sound of the breeze blowing on leaves to enhance the user experience. The UI theme of moon mile should focus on tranquility, nature, and comfort to convey the feeling of the bedroom, lakeside, and forest under moonlight. This will help users feel a peaceful and pleasant atmosphere.