提示词A photorealistic image capturing a slender waterfall plunging into a pool of brilliant jade water within a lush, verdant fern ravine. The composition is strongly vertical, emphasizing the height of the cascade and the surrounding dense foliage. Strong, directional shafts of cool morning light pierce the canopy, highlighting the water's texture. The palette is dominated by rich emerald greens and cool blues. Medium: Photography. Intentional negative space is the moss-covered rock face on the right. Focus: The dynamic movement of the waterfall itself. Vertical 9:16 wallpaper; main subject in the lower-middle, quiet upper quarter for a lock-screen clock. Full-bleed artwork, no border, no frame, no text, no typography, no logos, no signature, no watermark.
