Add smaller rounded rectangle and from the option bar set it to Intersect.

新增小圆角矩形，并从选项栏中设置为相交。

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From the option bar, you need to select the best Anti-aliasing methods to prevent blurry appearance.

从选项吧，你需要选择最好的反走样方法，以防止出现模糊。

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Duplicate shape. Add smaller rounded rectangle and from the option bar set it to Intersect. See picture below for its placement. Add following Layer Styles.

重复的形状。新增小圆角矩形，并从选项栏中设置为相交。其位置见下面的图片。新增以下图层样式。

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