How to display blue fonts?

After entering the QQ space of mobile phone, click the "+"button in the middle;

Then select the "tell me" option;

Enter "{uin:QQ number, nick: what you want to say}" in the text box, and then click Publish. As shown in the figure below:

Look at your own spatial dynamics after publication, and you will find that the conversation just published is blue:

Just remember {uin:_, nick:_}, and then add your QQ number and what you want to say later in the middle. If those numbers are other numbers, it's someone else's QQ number. After publishing, clicking on them means entering someone else's space, which can only be viewed in the mobile phone space, not on the computer.