Vibrant gradient metallic 3D rocket, with streamlined wings and circular portholes, pink and purple flame jetting from the tail in a liftoff pose. Scene: pure black minimalist deep space background. Style: futuristic sci-fi 3D three-dimensional style, full of dynamism. Color palette: dark blue to purple-pink-gold rainbow gradient, bright and eye-catching. Lighting: strong mirror-like reflection, rich light and shadow layers highlighting metallic texture. Composition: rocket centered and ascending, strong visual tension fully showing a sprinting posture. Purpose: space-themed design, technology poster, interstellar exploration creative visual material.