1, new size appropriate document, create a new layer, with the elliptical marquee tool pull a positive circle selection, fill black, the following figure.
2, to the positive circle to add layer style, respectively, set within the shadow, bevel and relief, gradient superposition, parameters and effects of the following figure.
3, Next, we start to do the inner circle, or with an elliptical tool to draw a circle, slightly smaller than the chassis.
4, add layer style, set projection, inner shadow, bevel and relief, gradient overlay, parameters and effects as shown below.
5, the following start to add details to the inner circle:
New layer "Light point", with the brush tool, with a slightly larger white brush, on the inner circle point, change the layer style to overlay mode, and then copy the "Light point" layer 2 times.
6, continue to add light sense:
Create new layer "inner circle", draw a circle with the Ellipse tool, fill with the shoulder tool, and set the layer blending mode to "overlay", the opacity is: 30%. Effect as shown.
7, add shadow effect, the following figure.
8, again rich details: add ambient light and floodlight:
9, with the pen tool to draw a circular path, and then use the Font tool to click the path, on the path to hit the required text.
10, the last new layer, draw a circle, Gaussian blur, placed in the bottom of the icon as a projection.
Finally, add the background, complete the final effect.