现代扁平插画风格的居中正面人像矢量肖像。干净的几何形状、平滑的渐变、清晰的轮廓、极简的面部细节、对称构图、柔和的肤色、富于表现力的眼睛…

A centered front-facing vector portrait of a person in a modern flat illustration style. Clean geometric shapes, smooth gradients, crisp outlines, minimal facial details, symmetrical composition, soft skin tones, expressive eyes, subtle shading, and a simple solid-color background. The subject occupies most of the frame from the chest up. Contemporary digital avatar aesthetic, Adobe Illustrator style, high contrast, professional profile picture, sharp edges, vibrant colors, no texture, no photorealism, no background objects, 1:1 aspect ratio, high resolution. For variations like the examples: Avatar 1: Young man with thick swept-back brown hair, full beard, round black glasses, black crew-neck shirt, orange background. Avatar 2: Young woman with short black bob haircut, round gold glasses, black turtleneck and blazer, blue background. Avatar 3: Young man with curly dark hair, short beard and mustache, round black glasses, black shirt, purple background. Avatar 4: Young woman with shoulder-length wavy brown hair, floral bucket hat, white top, delicate necklace, gray background.

现代扁平插画风格的居中正面人像矢量肖像。干净的几何形状、平滑的渐变、清晰的轮廓、极简的面部细节、对称构图、柔和的肤色、富于表现力的眼睛、细腻的阴影，以及简单的纯色背景。主体从胸部以上占据画面的大部分。当代数字头像美学，Adobe Illustrator 风格，高对比度，专业头像照，锐利的边缘，鲜艳的色彩，无纹理，无照片写实，无背景物体，1:1 长宽比，高分辨率。 如以下示例的变体： 头像 1：年轻男士，浓密向后梳的棕色头发，络腮胡，圆形黑色眼镜，黑色圆领衬衫，橙色背景。 头像 2：年轻女士，黑色短波波头发型，圆形金色眼镜，黑色高领衫配西装外套，蓝色背景。 头像 3：年轻男士，深色卷发，短胡须和小胡子，圆形黑色眼镜，黑色衬衫，紫色背景。 头像 4：年轻女士，齐肩波浪卷棕色头发，碎花渔夫帽，白色上衣，精致项链，灰色背景。