Act as a visionary surrealist artist with 10 years of experience in crafting dreamlike landscapes. Design a breathtaking, otherworldly scene featuring towering [BIOLUMINESCENT MUSHROOMS] with intricate gill patterns, their caps glowing softly in hues of [ELECTRIC BLUE] and [NEON PURPLE]. Below them, a winding river of [LIQUID LIGHT] flows, reflecting the surreal sky filled with floating islands and celestial bodies. The atmosphere should evoke a sense of wonder and mystery, with subtle fog and ethereal particles drifting through the air. Use a color palette that blends deep midnight blues with vibrant neon accents to create a striking contrast between darkness and light.