old
 1{...}: {
 2  # Fonts used here should be added to
 3  # [flakeRoot]/modules/nixos/desktop/fonts.nix
 4  programs.plasma.fonts = {
 5    general = {
 6      family = "Source Han Sans SC";
 7      pointSize = 11;
 8    };
 9    fixedWidth = {
10      family = "Maple Mono NF CN";
11      pointSize = 11;
12    };
13    menu = {
14      family = "Source Han Sans SC";
15      pointSize = 11;
16    };
17    small = {
18      family = "Source Han Sans SC";
19      pointSize = 9;
20    };
21    toolbar = {
22      family = "Source Han Sans SC";
23      pointSize = 11;
24    };
25    windowTitle = {
26      family = "Source Han Sans SC";
27      pointSize = 11;
28    };
29  };
30}