Craft a mesmerizing masterpiece of modern art by portraying the chaotic beauty of a bustling cityscape at twilight, where neon lights illuminate the urban jungle in a symphony of colors and shapes. The skyline is a stunning blend of sleek, glass skyscrapers and gritty, industrial buildings, reflecting the vibrant energy of a metropolis in constant motion. Streets teem with a diverse array of people, each lost in their own world, as cars and buses weave through the labyrinthine roads. The sky above is a canvas of shifting hues, transitioning from the warm oranges and pinks of sunset to the deep, velvety blues of nightfall. Capture the essence of modern life with bold, dynamic brushstrokes and a vivid palette that evokes the pulsating heartbeat of the city.