2. Ordinary incandescent lamps.

3. Whether it is macro or autofocus.

Find a good angle (this is the most important thing. If you find a good angle, you can adjust the brightness by PS. If you don't find a good angle, everything will look bad.

This is a matter of experience. If you want to take gorgeous photos, there is no other way but to practice more.

5.PS processing, this needs more practice. . . .

I said 5 o'clock and 4 o'clock are bullshit. The key is to master the angle and practice more!

Let's just say so much about what works and what doesn't. Art design can't be explained clearly in one or two sentences.