Nano Banana Style Swap, Same Face (Portrait Style Transfer)
Convert a portrait into a watercolor, 3D, anime, or other style while keeping the face consistent and unwarped.
將附圖人像轉成[目標風格]，但保持臉部辨識度與五官比例一致。\n風格：[目標風格]，筆觸或材質＝[材質細節]，色調＝[色調]。\n保留：髮型輪廓、表情、臉部特徵與姿勢；只改變繪製風格。\n背景：換成[背景]，與主體風格一致。\n輸出：高解析、邊緣乾淨、單一主體。
Swap the variables inside the [ ] brackets for your own content, then paste into Nano Banana (Gemini).
No other tool needed — run this prompt right here and see the result (edit the text and swap the [variables] first if you like). History lives in My generations.
The most common failure in style transfer is 'coming out not looking like the person anymore.' Facial consistency is Nano Banana's strength, but you have to actively add a lock: 'preserve facial recognizability, only change the rendering style.' Splitting style, material, and tone into three separate clauses gives you more controllable results.
[目標風格]例如「日系賽璐珞動畫」「寫實水彩」「皮克斯 3D」
[材質細節]筆觸或材質，例如「可見水彩暈染與紙紋」
[色調]整體色調，例如「暖橘黃昏」
[背景]背景設定，例如「純色棚拍」
填下面的欄位，上方 prompt 會即時替換 [方括號] 內容。填好後按「複製組好的 prompt」直接丟進工具。
將附圖人像轉成[目標風格]，但保持臉部辨識度與五官比例一致。\n風格：[目標風格]，筆觸或材質＝[材質細節]，色調＝[色調]。\n保留：髮型輪廓、表情、臉部特徵與姿勢；只改變繪製風格。\n背景：換成[背景]，與主體風格一致。\n輸出：高解析、邊緣乾淨、單一主體。
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