Help me make a hand-painted watercolor style Martini cocktail poster, appearance: served in a classic Martini glass, the liquid is clear and bright, the liquid is clear and bright, and the cup is decorated with a string of olives, which looks exquisite and advanced. Hand-painted watercolor effect is obvious, must be hand-painted watercolor effect, must be hand-painted watercolor effect, clear details, high color saturation, the background is white, --ar 2:3 --v 6.1
