Design a gacha summon page for a new mobile game based on Stranger Things, inspi

Design a gacha summon page for a new mobile game based on Stranger Things, inspired by the summoning interfaces of mainstream mobile games. The game title is Stranger Things: Upside Down Eclipse. The page should feature a dark supernatural ARPG style with a mysterious, eerie, and immersive atmosphere. The current featured character is Eleven. The interface should look cinematic and visually rich, with dark energy effects, rarity indicators, layered UI details, supernatural visual motifs, and a compelling featured-character layout. size 3:2.