Resource file for wps-office-11.1.0.10161-r2.ebuild is wps-office_11.1.0.10161.XA_amd64.deb This archive contains only already compiled binary files - not source code. Program, stored in this file - require internet connection with chinese servers even for opening configuration dialog. This program can not have name without "-bin" suffix!
I do not believe Gentoo provides an open-source equivalent for this package. https://devmanual.gentoo.org/ebuild-writing/file-format/#binary-packages