Prompt: 头像框 ,absolute symmetry,(mecha theme), mecha, (top center decoration:0.4), (Simple frame:0.8),(demon:0.5),Mechanical structure, future,silver and black,  embellished with red,robot sharp corner, red shoulder armor,
Negative prompt: text,lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry