set -u
echo "=== 全部 443 监听块：来源文件 + server_name ==="
nginx -T 2>/dev/null | awk '
 /^# configuration file / { f=$4 }
 /listen[^;]*443/ { inblk=1; file=f; sn="" }
 inblk && /server_name/ { gsub(/^[ \t]+/,""); sn=sn" "$0 }
 inblk && /^}/ { if (sn!="") print file" |"sn; inblk=0 }
'
echo
echo "=== alotbuy.com.conf（现网，前 60 行）==="
sed -n '1,60p' /www/server/panel/vhost/nginx/alotbuy.com.conf