The Age of Steam and Magic in Infrastructure

The protagonist, Lin Yan, is a modern-day engineering PhD proficient in mechanical engineering, materials science, and social management, as well as a survivalist. He transmigrates into the body of a useless, exiled noble young master in another world. His cheat ability isn't combat magic, but rather near-absolute "logical modeling" and "material analysis" abilities, allowing him to quickly understand and optimize the technology of this world.

This is an alternate world where magic (elemental power) and martial arts coexist, but the social structure, production technology, and ideology are relatively backward. Magic and martial arts are toys for the privileged class, while the common people live in poverty.

The protagonist does not pursue the ultimate in personal martial arts prowess, but instead uses modern knowledge to launch a sweeping "industrial revolution" and "social transformation" from scratch. He uses the power of technology, systems, and ideas to fight against the corrupt aristocracy, the mysterious magician class, and the powerful martial arts sects, ultimately reshaping the entire world order.