Nano Banana 2：人像街拍产品海报提示词示例

1st image: Portrait A dramatic monochrome portrait where half of the face is shadowed by strong sidelight. The shadowed area is completely black, and the illuminated area highlights the texture of the skin. Photographed with a Hasselblad X1D II 50C and XCD 80mm F1.9 lens. ───────────────── 2nd image: Street Snap A street portrait of a person who momentarily stops in a crowd and looks at the camera. The background is moderately blurred to focus on the person. A snapshot feeling as if taken with a Leica Q2. ───────────────── 3rd image: Product An advertising visual where the latest smartwatch is floating in a sophisticated, minimalist space. The background is a deep navy and gold gradient. The text '{argument name="smartwatch text" default="Time Redefined"}' is displayed on the smartwatch screen. ───────────────── 4th image: Poster A music festival poster. Psychedelic colors and abstract patterns are combined, with the festival theme '{argument name="festival theme" default="Sound Odyssey"}' prominently displayed. Experiment with diverse fonts and layouts.