Create a futuristic illustration of the iPhone settings icon, set against a neon-lit cityscape at night, with the icon glowing brightly to represent the device's advanced features.

Design a stylized iPhone settings icon with a minimalist aesthetic, featuring a simple gear or cogwheel design to convey the idea of customization and adjustment.

Generate an illustration of the iPhone settings icon on a bright blue background, surrounded by a subtle gradient of calming colors to represent the device's intuitive user interface.