時尚的廣告海報上有一個穿著街頭服裝的女孩，旁邊有一個巨大的背包，背景是城市的塗鴉

提示詞

A cool teen lifestyle advertisement poster. A confident teenage girl in casual streetwear with headphones around neck poses beside a giant urban backpack 3x her height in black and neon yellow with multiple pockets visible, "URBAN PACK" printed in bold on the front pocket. Cool urban street background with graffiti wall and city blur. Bold urban sans-serif typography "URBAN PACK" in neon yellow and black filling background. 

Tagline bottom: "Pack your world." Small text top-right corner reads "Designed with Nano Banana 2" in grey. Photorealistic, teen urban lifestyle commercial, cool street lighting with neon accents.