Kids Halloween Party Event Poster

Kids Halloween event poster, vertical 9:16, flat cartoon illustration with soft shading. [Colors] Violet sky (#4A2C86 to #6E45A8), pumpkin orange (#F08A24), acid green potion (#8FD63A), cream panels (#FBF6EC). [Layout] Centered title stack at the top, a wide illustrated scene in the middle, a pale rounded info card across the lower half with four icon-and-label rows and a small QR block. [Typography] Chunky rounded white caps with orange offset shadow, a white pill subtitle, dark green section header on a ribbon, compact sans body copy. [Subject] A young witch with red hair and an oversized hat rides a broom beside a bubbling cauldron with green smoke, pouring a potion; carved pumpkins pile at left, black cats perch at right, a bat-winged castle stands behind. [Lighting & Mood] Twilight glow, magical green sparkle, wholesome and inviting. [Details] Candy canes, flying bats, four-point stars, autumn leaves in the corners, dashed rule lines inside the info card.