epic cinematic environment concept art for a high-budget chinese 3d animated feature film, an empty ancient chinese riverside campsite at night, a breathtaking secluded mountain valley with a wide crystal-clear turquoise river flowing between towering dark teal rocky cliffs, natural uneven pebble-covered riverbank, several small campfires scattered along the rocky shore, warm amber-orange flames gently illuminating nearby stones, absolutely no people or characters, magnificent atmospheric night sky with rich multi-layered color gradients transitioning from deep midnight blue and indigo at the top to luminous blue-green, teal, cyan and subtle jade green near the mountain horizon, complex overlapping cloud formations with varying shades of blue, turquoise, muted violet and silver, a beautiful luminous moon partially veiled by drifting clouds, soft silvery moonlight filtering through openings in the clouds, delicate moonbeams illuminating the distant mountain slopes and sections of the river, ethereal rolling mist weaving between cliffs, floating above the water and drifting through the valley, multiple layers of translucent atmospheric fog creating extraordinary cinematic depth, distant mountain silhouettes fading into blue-green haze, subtle moonlight reflections shimmering across the turquoise river, elegant interplay of cool cyan-blue moonlight and localized warm golden firelight, rich nuanced color variation throughout the entire scene, sophisticated cinematic color grading, deep shadows with preserved details, mysterious, tranquil and slightly melancholic atmosphere, majestic yet intimate chinese mythological cinema aesthetic, stylized high-end 3d donghua animation environment, beautiful sculptural rock formations, refined art direction, highly detailed pbr materials, unreal engine 5, octane render, cinematic global illumination, volumetric lighting, rich saturated yet elegant colors, dramatic atmospheric perspective, wide establishing shot, 24mm cinematic lens, panoramic 2.39:1 composition, visually stunning animated movie background