Demo · not a live class演示 · 不是正在上的课
A sample round. Not a solo session.一局示范。不是单人课。
The fifteen seconds are scripted. Nothing is sent to a model, and no class is opened. A real class still starts with login.这十五秒是写好的。不会发给模型，也不会开课。真实课堂仍从登录开始。
LAST LIGHT, a 60-second film. One unbroken handheld shot. This room is a scripted demo, not a class in progress.《余光》，60 秒短片。一镜到底，手持拍摄。这个房间是写好的演示，不是正在上的课。
Demo room 0015. Scripted. Not a class in progress. Login is still required before a real classroom.演示房间 0015。写好的。不是正在上的课。进真实课堂仍要先登录。
Try spotting AI flaws: This AI-written 60s film pitch hides 1 timeline error and 1 generic cliché.免登录试玩挑毛病：下面这段 AI 写的短片脚本藏着「1 处时间穿帮」和「1 句结尾套话」。
In a live class, 50 students auto-group onto the projector in ~2 seconds:在真实课堂上，全班 50 人的选择会在约 2 秒内自动分阵营投上大屏：
You joined Camp A! In class, you would now debate Camp B live.你被分进了 A 派！在课上，接下来就是和 B 派当场交锋。
You joined Camp B! In class, you would now debate Camp A live.你被分进了 B 派！在课上，接下来就是和 A 派当场交锋。
That took 15 seconds—no slide-reading, just active critical thinking.只需 15 秒，不用念 PPT，直接把被动听讲变成主动挑错与思辨。