With the rapid improvement of economic and social medical security in recent years, the global aging situation has deepened. At the same time, the elderly groups' demand for the healthy use of landscape environment has increased. This study analysed the characteristics of the elderly population and the use needs of age-appropriate landscapes. Based on the theories of design, landscape architecture, sustainable design, and the critical points of age-appropriate landscape design, this paper applies unique design methods for designing and constructing aging landscapes in residential areas. The characteristics analysis of elderly landscape design includes vertical and drainage design, barrier-free design, garden road traffic planning, planting design, and landscape sustainability. The results and analysis stated that in combination with the design methods, a comfortable, safe, ecologically sustainable, and liveable aging landscape space is a suitable design for the residential area, and the local cultural design concept can enhance the sense of belonging of the elderly. The findings will provide theoretical and practical guidance for the design and construction of residential landscapes with suitable ecological environments for the elderly.

This study addresses insufficient fit, localized pressure concentration, and unstable knee support in compression running tights during running. Using CLO3D virtual fitting technology, a coupled human–garment simulation model was constructed, and 130 continuous virtual pressure measurement points were established on the lower limbs, enabling full-field visualization and evaluation of pressure distribution beyond conventional localized pressure-point assessment. Integrating ergonomic principles and skin deformation characteristics, a structural optimization scheme combining a spiral-oriented compression structure with a knee support unit was proposed. Comparative analyses of pressure distribution, regional average pressure, and peak pressure were conducted under both static and multiple dynamic postures. The results indicate that the optimized structure guided pressure transmission along the longitudinal axis of the lower limb, reduced the average dynamic pressure in the hip, thigh, and calf regions, and enhanced knee support stability without substantially increasing peak pressure, thereby achieving a coordinated improvement in both fit and functional support. This study demonstrates the engineering feasibility of a virtual-simulation–driven structural optimization approach for the design of functional compression sportswear. The CLO3D-derived pressure results should be interpreted as relative optimization trends, and future research will further refine and validate the findings through physical pressure testing and continuous motion validation.