A low-angle, close-up shot captures a young mermaid with a child-like face and petite build, floating underwater in a twilight sea. She has large, drooping red crystal eyes with intense highlights, long black eyelashes, and red eyeliner, gazing with a gentle smile. Her exceptionally long, shimmering silver hair flows wildly in a storm-like current, with long sidelocks blending into her bangs. She wears a cross-halter neck top and waist armor with a front flap and gauntlets, all crafted from intricate, translucent stained glass that reveals her midriff and navel, accented by a subtle cleavage and visible collarbones. Royal blue sapphire studs adorn her ears, and golden chains,jewelry, and bracelets sparkle across her body. The scene is defined by strong backlighting and rim light, creating silhouettes and luminous transparency through her glass attire. Complex optical effects include Tyndall phenomena, multiple reflections, lens flares, and diffuse ambient light filtering through the water. The atmosphere is mystical and fantastical, with a deep depth of field and a rich, glowing twilight color palette.