Generate a highly detailed, 8k resolution artwork, featuring a luxurious cave cottage nestled on a rocky beach at sunset. The scene is captured from a low angle, showcasing an intricate, luminous, and vivid ray of light piercing through the sky, casting a fantastical aura over the landscape. The cottage is built into the detailed limestone cliffs, surrounded by a serene fountain park adorned with enchanting floral arrangements. The background features an artistic and luminous oasis, with magnificent celestial elements that evoke a sense of ethereal beauty. The overall composition is majestic, magical, and epic, with a dreamy quality. This fantasy artwork is designed to be a cover art piece, exuding a picturesque and otherworldly charm that captivates the viewer's imagination.