长花境中留低位视口

提示词

概念长花境在少数指定位置压低植物高度形成视口，其余段保持连续层次，视口对应座位或路径节点，不能整条都削成同高。

Lower plant height at a few specified points in a long border to create viewing gaps aligned with seats or path nodes, while retaining layered continuity elsewhere rather than cutting the whole border to one height.