Shenzhen Three Seconds

2026, Shenzhen. AI chip engineer Xu Xinghe worked overtime until early in the morning. A piece of code was deleted three times, and it was automatically restored after three seconds each time. When it was restored for the third time, the screen turned sky blue and a line of words appeared: "Sky blue is the color of home." His palms felt hot for the first time - dark golden lines spread like tree roots and disappeared after three seconds. He didn't know that the code he wrote would travel through nine hundred years. At the annual meeting, Xu Xinghe touched the PPT, and the color of the entire venue instantly changed to sky blue, and more than 300 people took videos. Dai Xiaozhi handed him a wristband: "Put it on. It can hold it down for at least three seconds." On the roof of the DJI building, drones were arranged in a triangle, and light words were projected in the air: "CX-0721·Three seconds·Go home." A line of words automatically appeared on the mobile phone memo: "You forgot. But your hand remembers." Underground in Huaqiangbei, a fragment projected out of the Martian desert - a woman turned around and said: "Xu Xinghe, home." Engraved on the edge of the fragment was: "Waiting for you to cut the wall. Dai Xiaozhi." On Huaqiang North Street, all the lights were turned off for three seconds at the same time. Only the palms of his hands were glowing. In the China South City Warehouse, a veteran opened his palm, with the lines faded but the outline vague: "78 years ago, there was a global power outage for 72 hours... You are the one waiting." Nine hundred years. Seven stages. Six "home" characters are written on the landmark. The seventh one is written in the palm of my hand. The sky above Shenzhen cracked for three seconds. Dai Xiaozhi stretched out his hand in the crack: "Three seconds. Come here." Stardust - the rusty silver ball - said completely in Xu Xinghe's pocket: "Home is here." The last word in the whole article: home.