User-agent: *
Allow: /

# Keep search pages crawlable for discovery via links, but avoid indexing noisy query variants.

# Layout/view mode variants
Disallow: /*?*layout=
Disallow: /*&layout=

# Sorting and internal sort-direction variants
Disallow: /*?*SF=
Disallow: /*&SF=
Disallow: /*?*ISA=
Disallow: /*&ISA=

# Internal export and utility params
Disallow: /*?*Excel=
Disallow: /*&Excel=
Disallow: /*?*ExcelExportType=
Disallow: /*&ExcelExportType=
Disallow: /*?*MID=
Disallow: /*&MID=

# Internal display/filter toggles
Disallow: /*?*ISGF=
Disallow: /*&ISGF=
Disallow: /*?*ISAD=
Disallow: /*&ISAD=
Disallow: /*?*NHF=
Disallow: /*&NHF=

# ==========================================
# 1. KHÓA CÁC PHIÊN BẢN NGÔN NGỮ KHÁC 
# (Tạm thời chặn để dồn Crawl Budget cứu bản tiếng Việt)
# ==========================================
Disallow: /en/
Disallow: /cn/