A vibrant cartoon with colours and smooth animation. Create a 30-second vertical 2D cartoon video for YouTube Shorts. Story: A little girl named Lina is sitting alone in a beautiful park, looking sad. She notices a small lost bird crying under a tree. Lina gently picks up the bird and looks around for its mother. Scene 1: Lina sees the crying bird and says, "Don't be afraid, little one. I will help you." Scene 2: Lina walks around the park with the bird, looking for its mother. Show beautiful trees, flowers, sunshine, and expressive cartoon animation. Scene 3: Lina hears a bird singing from a nearby tree. She looks up and sees the mother bird searching for her baby. Scene 4: Lina gently returns the baby bird to its mother. The mother bird flies around Lina happily. Ending: Lina smiles and says, "Sometimes, a small act of kindness can make a big difference." Style: Cute high-quality 2D animated cartoon, adorable expressive characters, colorful cinematic backgrounds, smooth character movement, natural facial expressions, consistent character design throughout all scenes, warm emotional atmosphere, beautiful lighting. Important: Do NOT use static images or slideshow-style scenes. The characters must move naturally. Use different camera angles and smooth transitions between scenes. Include Arabic narration in a warm female voice. Add soft emotional background music. No text written on the screen. Vertical 9:16 format.