Climbing Topo Map

The climbing photo-topo overlays bright route lines onto a high-resolution photograph of a dark rock crag, annotated with monospaced grades in the convention of printed guidebooks. Pioneered by publishers like Rockfax and SuperTopo, it is a technical manual rendered in stone and light.

This design system distills that aesthetic into an interface language: a near-black charcoal ground, vision-accessible orange route lines that deliberately avoid red, and monospaced type that matches the grade-table tradition.

攀岩照片地形图（photo-topo）将明亮的攀爬线条叠加在高分辨率的深色岩壁照片之上，并以等宽字体标注难度等级，沿袭印刷攀岩指南的惯例。由 Rockfax、SuperTopo 等出版商开创，它本质上是一本用岩石与光线写成的技术手册。

本设计系统将这一美学提炼为界面语言：近黑的炭灰底色、为色觉无障碍而刻意避开红色的橙色攀爬线，以及呼应难度表传统的等宽字体。所有元素都保持指南手册般的精确与克制——锚点圆点、虚实线规约、编号绳距标记，皆为信息而生。