Protagonist: Chen Mo, 28 years old, PhD in civil engineering, was smashed due to a construction site accident before traveling through time, and was bound to the "Da Qin Infrastructure System"
System functions: Unlock drawings (requires "engineering value"), material synthesis (cement/steel/glass), progress visualization
Core cheat restriction: The system can only provide technical blueprints and principle guidance, and all construction must rely on the manpower and material resources of the Qin Dynasty.