Colorful horizontal blurred light streak background loop, vibrant motion with flowing neon lines in shades of blue, pink, purple, and orange. The effect creates a dynamic, futuristic ambiance with smooth gradient transitions and glowing edges. In the center of the image, bold glowing text "WELCOME" is placed, seamlessly integrated into the light pattern. Perfect for event intros, digital signage, or celebratory visuals. Ultra-realistic, high-resolution, smooth animation effect.