Binding the following configuration in Hosts will make Baidu ads and Baidu recommendations no longer display:
#baidu promotion & Baidu recommendation 127.0.0.1 pos.baidu.com 127.0.0.1 eclick.baidu.com 127.0.0.1 crs.baidu.com
(There should be some missing from the list of domain names)
Effect:
Before masking:
After masking: