The style described as "harmonious" and characterized by perfect balance aligns with "classical" landscape painting. This style communicates a worldview and culture that values ideal beauty. In ancient Greek and Roman cultures, such ideals were often reflected in their art and philosophy, emphasizing harmony, proportion, and a sense of order, which were seen as expressions of the ideal world. Thus, the most fitting answer is:
classical, communicates a worldview and culture that values ideal beauty.