Underwater Bilingual Discovery

[SCENE_THEME] = Underwater world
[TARGET_AGE] = 2–5 years

Generates a publishable children's cognitive "flat chibi cartoon" panoramic Flat Cute Cartoon of the underwater world (Vertical A4 Panoramic Flat Cute Cartoon). Overall art style: bold lines, rounded shapes, bright yet soft colors, no sharp corners, safe style, large shapes, high contrast, simplified cartoon graphics suitable for children's cognition. The image should be clean, clear, and logical, with clear boundaries of objects. The resolution is Ultra HD 8K.

# 1. Title Area (Top Banner)
Add a large title at the top: "Underwater World: A Great Discovery in Bilingual Cognition."
Font: Extra-large rounded cartoon font (full, colorful, soft-shadowed).
On both sides, cute cartoon ocean icons (mini starfish, small shells, little bubbles) are added.

# 2. Main Scene (Main Panorama)
Composition: Ultra-wide flat cartoon underwater scene. Keep foreground and mid-shots as clear as possible, avoiding complex depth of field; Keep simple, clean, child-friendly partitions. Overall, it resembles an "underwater paradise map."

Element requirements:
- All marine creatures are big-headed chibi cartoons
- Thick lines with soft edges
- Bright colors and clear contrasts
- Simple structure, making it easy for children to recognize shapes

Add 1–2 guide characters (chibi dive babies / little dolphin buddies) to guide the eyes with exaggerated movements.

# 3. Recognizing Core Objects
All object requirements include: rounded, flat, cartoonish, large in size, easy to recognize.

[Core Major Items (5–8 items)]
Octopus  
Sea turtles  
Sharks  
Dolphins  
Clownfish  
Whales  
Seahorse  
Crab

[Small and medium-sized objects (8–12 pieces)]
Starfish  
Shells  
Jellyfish  
Coral  
Little bubble group  
Small Fish (Multicolor)  
Seagrass  
Beach balls  
Treasure chest  
Underwater signposts

[Environment Elements (Unlimited)]
Simplified waves, flat coral reefs, light-colored seabed sand, shell fragments, blister tracks, and chibi-shaped rocks.

# 4. Bilingual Labeling System
Add three lines of label cards for all main cognitive objects (flat rounded rectangles, soft background, simple cartoon airstyle).

Format fixed:
First line: Chinese (extra-bold round)
Second line: Pinyin with tone
Third line: English (sans serific)

Example:
[Octopus]
[ zhāng yú ]
[ Octopus ]

Label color: Light custard or light blue  
Font: clear, bold, and easy to read  
The label is placed in a blank area near the object.

# 5. Flat Cute Arrow
Use flat cartoon-style arrows:
- Bold lines, round head  
- Striking colors (orange / blue)  
- One end connects to the tag, the other is close to the boundary of the object  
- Arrows are prohibited from crossing to keep the overall look neat and orderly.

# 6. Style Convergence (Unified Output)
Flat Cute Cartoon Style；
Bright & Soft Color Palette；
Round Shapes & Child-safe Edges；
Clean Separation of Elements；
Bilingual Labels + Clear Arrows；
8K Ultra HD；
Simple, Fun, Easy-to-read Composition。