{
  config,
  inputs,
  lib,
  pkgs,
  ...
}: let
  isX86 = config.nixpkgs.hostPlatform.system == "x86_64-linux";
in {
  config = lib.mkIf isX86 {
    nixpkgs.overlays = [inputs.nix-cachyos-kernel.overlays.pinned];

    boot.kernelPackages =
      lib.mkDefault pkgs.cachyosKernels.linuxPackages-cachyos-latest;

    nix.settings = {
      extra-substituters = ["https://attic.xuyh0120.win/lantian"];
      extra-trusted-public-keys = [
        "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc="
      ];
    };
  };
}