Subject: A white portable thermos with a childlike hand-drawn rabbit print, equipped with a blue carrying ring on top, placed on a smooth light gray pebble. Scene: Surrounded by fresh green short fluffy grass, interspersed with fresh fern plants, several small orange-yellow butterflies fluttering around, the background is a clear light blue sky dotted with fluffy soft white clouds, and a few other small pebbles are scattered on the grass. Style: Fresh and healing 3D realistic commercial product rendering style, with delicate and realistic material details, overall lively and childlike atmosphere. Color tone: Overall bright and fresh light cool tone, with the light blue of the sky and the grass green of vegetation as the large-area base colors, matched with the pure white of the cup body and the blue of the carrying ring, using the warm yellow of butterflies as small-area embellishments, with soft and bright colors. Lighting: Using natural and soft outdoor diffused natural light, the light is bright and transparent, the shadow transition is soft and not harsh, fully highlighting the clean texture of the product. Composition: Central composition, the thermos is located at the visual center of the画面 (wait, no, correct: central composition, the thermos is located at the visual center of the frame, the foreground is grass and vegetation, the background is an open sky, with sufficient space left at the top and bottom of the frame, the overall layout is stretched, and the product subject is prominent. Purpose: Suitable for commercial promotion and display of water bottle products, highlighting the product's appearance features and suitable outdoor travel scenarios.