A vibrant cartoon with colours and smooth animation. Create a 30-40 second vertical 9:16 animated cartoon short. Story: "The Little Dog Who Became a Hero" Scene 1: A cute little brown cartoon dog is walking alone near a beautiful forest. Bright colorful 3D cartoon style, expressive eyes. Scene 2: The dog hears a child crying somewhere inside the forest. The dog looks surprised and worried. Scene 3: The little dog runs through the forest following the sound. Show exciting camera movement and colorful scenery. Scene 4: The dog finds a lost little boy sitting beside a tree. The boy looks scared but safe. Scene 5: The dog stays beside the boy and protects him while trying to get help. Scene 6: The boy's family arrives and happily hugs him. Everyone is smiling, and the little dog looks proud. Final scene: The little dog stands under a beautiful sunset. On-screen text: "Even the smallest hero can make the biggest difference. " Style: high-quality 3D animated cartoon, colorful, cute characters, expressive faces, smooth animation,