A close-up photo of a juicy gourmet cheeseburger with caramelized onions, melted cheese, and a perfectly toasted beef patty, served in a soft golden bun. The cheeseburger has a slight steam rising from it, adding a sense of freshness and warmth. Natural light highlights the rich textures and glossy sauces, enhancing the mouth-watering look. The background is slightly blurred, creating a cozy atmosphere for food advertising or restaurant promotions. --ar 9:16 --stylize 250
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