Mid-Autumn Festival themed retro illustration poster, with the overall composition incorporating the painting techniques of Dunhuang Mogao Caves murals, color palette referencing Tang Sancai (ochre yellow, peacock blue, turquoise green, dark brown), presenting ancient charm and magnificence. The main subject is a golden full moon suspended in the center of the composition, surrounded by auspicious clouds, flying apsaras, and abstract decorative patterns with gracefully flowing lines. The foreground depicts undulating mountains and wave-like colorful decorations, incorporating Chinese architectural silhouettes and jade rabbit embellishments, creating rich compositional layers. The overall image is framed with a retro Chinese decorative border, featuring soft lighting and shadows, conveying a solemn and elegant atmosphere. Text section: main title 'Mid-Autumn Festival 2025', with simple centered typography. The overall composition is classical, mysterious, and solemn, possessing both a sense of historical depth and artistic decorativeness. Output images only, no text.