Design an intricate and realistic logo for 'The Question Time' YouTube channel, featuring a radiant lightbulb with a pronounced question mark '?' inside. The bulb, symbolizing a bright idea and inquiry, lightbulb should be topped with a detailed graduation cap, representing academic achievement. The bulb is centrally placed within an ornate round clock, which conveys the value of time in generating questions. Aim for a sophisticated, artistic style that balances logo simplicity with realistic details, suitable for digital display. Use a transparent background to allow for versatile application across various media. --v 6.0 --s 250