On July 17, 2073, the morning fog in Xinhai City had not yet cleared, and the suspended traffic had already woven into a golden ribbon on the maglev track. Lin Chen stood on the balcony of the apartment, his fingertips swiped across the glass curtain wall, and a virtual light screen popped up instantly - above was the biological sign data of his daughter Lin Yue: heart rate 72, brain waves stable, and the neural network connection status was "inactive."