User-agent: *
Allow: /

LLM-Content: https://www.szsandstone.com/llms.txt
LLM-Full-Content: https://www.szsandstone.com/llms-full.txt

Sitemap: https://www.szsandstone.com/sitemap.xml
Sitemap: https://www.szsandstone.com/image-sitemap.xml
Sitemap: https://www.szsandstone.com/video-sitemap.xml