diff --git a/.gitignore b/.gitignore
index 0257b91..4602a52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,12 @@ bench-output/
 # 逐请求原始日志（体积大；汇总见 results.json / report.md）
 experiments/**/raw_outputs/
 **/dummy_sharegpt.json
+
+# Virtual environments (keep only docs under envs/)
+envs/*
+!envs/README.md
+!envs/SM120_DSV4_DEPLOYMENT_GUIDE.md
+!envs/UV_ENV_SETUP.md
+
+# Tooling artifacts
+skills-lock.json