In the digital-intelligent era, digital media art urgently needs to cultivate interdisciplinary innovative talents through interdisciplinary integration. Although private universities are constrained by limited resources, they can build characteristic transformation paths with their flexible mechanisms. Based on analyzing the current dilemmas in interdisciplinary integration, this paper proposes that the underlying logic of interdisciplinary integration should shift from a “disciplinary patchwork” to a “chemical fusion”, with curriculum restructuring driven by a project-based system. Furthermore, integrating reform experience from multiple domestic universities, this paper designs a systematic transformation model driven by the “four dimensions” of technology, art, business, and cognition: the technology dimension empowers light-asset infrastructure construction with AIGC; the art dimension promotes the integration of Oriental aesthetics and digital-intelligent technology; the business dimension deepens industry-education collaboration for agile responsiveness; the cognition dimension strengthens critical thinking and ethical literacy. This model provides an operable overall framework for the high-quality development of digital media art in private universities.