We Found a Secret Underground World!

Create a 30-second cinematic animated trailer/test scene for an original family-friendly mystery adventure series called THE LOST ORBIT. STYLE: Polished original 3D animation, cinematic family adventure, expressive characters, detailed tropical environment, believable lighting and materials, suspenseful but not scary or disturbing. Original visual identity. Do not imitate Pixar, Disney, DreamWorks, or any existing animated franchise. CHARACTER CONTINUITY: Jax — 10-year-old boy, messy medium-brown hair, brown eyes, blue hoodie, dark trousers, blue trainers, brave and curious. Lily — 10-year-old girl, long dark-brown hair with subtle purple highlights, brown eyes, purple hoodie, dark trousers, purple trainers, intelligent and confident. Finn — 9-year-old boy, short blond hair, green baseball cap, orange-yellow jacket, dark trousers, playful and energetic. Zed — 10-year-old boy, curly dark-brown hair, round glasses, green hoodie, dark trousers, trainers, thoughtful and intelligent, carrying a small homemade electronic scanner. Orb — small friendly spherical robot approximately knee-height, white/silver body, glowing blue circular eyes, two small mechanical arms, cute expressive personality. WORLD: Skyridge Island is a beautiful mysterious tropical island surrounded by deep blue ocean. Towering green cliffs, waterfalls and dense jungle surround an enormous moss-covered cliff. Hidden beneath the cliff is an ancient futuristic underground facility. STORY: Open with a cinematic aerial shot flying over Skyridge Island toward the enormous cliffs. The camera descends through jungle and approaches a dark cave entrance. Cut to Jax, Lily, Finn and Zed standing at the base of the cliff. Zed's homemade scanner suddenly begins beeping rapidly. Zed looks at the scanner in surprise. ZED: "There's something underneath us." Lily notices a strange metallic seam hidden in the rock. LILY: "Guys... look." The four children move closer. Ancient futuristic symbols on the hidden door suddenly glow blue. Finn nervously says: FINN: "Okay... that's definitely not normal." The enormous hidden door slowly opens, revealing a dark futuristic staircase descending underground. Jax looks into the darkness with excitement and determination. JAX: "We're going in." As the children begin descending, briefly reveal a mysterious blue light deep inside the facility. End on a close-up of something moving in the darkness. AUDIO: Natural jungle ambience, distant waterfall, birds and wind at the beginning. Scanner beeping becomes faster as the mystery is discovered. Add subtle cinematic suspense music that builds gradually. Door opening should have a deep futuristic mechanical sound. Dialogue should be clear, natural and age-appropriate. Use distinct consistent voices for each character. No narrator. CAMERA: Cinematic establishing aerial shot, smooth camera movement, medium character shots, close-ups during reactions, slow push toward the hidden door, dramatic reveal of the underground staircase, final mysterious close-up. EDITING: Fast but coherent pacing suitable for a YouTube children's mystery adventure series. Smooth transitions between shots. Keep character appearance, clothing, age and proportions consistent throughout the entire video. OUTPUT: 16:9 widescreen. The result should feel like a professionally produced animated TV/YouTube series opening sequence, not a slideshow.