Excuse me, does WeChat support rem units?
Supported by chrome/firefox/IE9+, ios: supported by system 6.1 and above, android: supported by system 2.1 and above, it depends on your system, generally they are supported
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Supported by chrome/firefox/IE9+, ios: supported by system 6.1 and above, android: supported by system 2.1 and above, it depends on your system, generally they are supported