初步配置，等 GPD 到货后根据实际情况调整

global/default.nix

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+{
+    imports = [
+        ./system-configuration.nix
+        ./software-configuration.nix
+        ./user-configuration.nix
+        ./font-configuration.nix
+    ];
+}

global/font-configuration.nix

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+{pkgs, ...}: {
+    fonts= {
+        fonts = with pkgs;[
+            noto-fonts
+            noto-fonts-cjk
+            noto-fonts-emoji
+            liberation_ttf
+            fira-code
+            fira-code-symbols
+            source-han-sans 
+            source-han-serif
+            source-code-pro
+            font-awesome_5
+            powerline-fonts
+            powerline-symbols
+            (nerdfonts.override { fonts = [ "FiraCode" "DroidSansMono" ]; })
+        ];
+
+        fontconfig.cache32Bit = true;
+
+        fontconfig.defaultFonts = {
+            serif = [
+                "Source Han Serif"
+            ];
+
+            sansSerif = [
+                "Source Han Sans"
+            ];
+
+            monospace = [
+                "Fira Code"
+                "Source Han Serif SC"
+            ];
+        };
+    };
+}

global/software-configuration.nix

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+{pkgs, ...}: {
+    xdg.portal = {
+        enable = true;
+        wlr.enable = true;
+    }
+    
+    # Enable automatic login for the user.
+    services = {
+        flatpak.enable = true;
+        greetd = {
+            enable = true;
+            settings = rec {
+                initial_session = {
+                    user = "user";
+                    command = "${pkgs.greetd.greetd}/bin/agreety --cmd Hyprland";
+                };
+                default_session = initial_session;
+            };
+        };
+
+        xserver = {
+            layout = "cn";
+            xkbVariant = "";
+            libinput = {
+                mouse = {
+                    accelProfile = "flat";
+                };
+            };
+        };
+    };
+
+    # List packages installed in system profile. To search, run:
+    # $ nix search wget
+    environment.systemPackages = with pkgs; [
+        kitty
+        rofi
+        hyprland-protocols
+        hyprland-share-picker
+        xdg-desktop-portal-hyprland
+    ];
+  
+    programs = {
+        hyprland = {
+            enable = true;
+            xwayland = {
+                enable = true;
+                hidpi = true;
+            };
+        };
+    };
+}

global/system-configuration.nix

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+{
+    sound.enable = true;
+    networking.networkmanager.enable = true;
+    time.timeZone = "Asia/Shanghai";
+    security.sudo.wheelNeedsPassword = false;
+
+    hardware = {
+        pulseaudio.enable = true;
+        opengl.enable = true;
+    };
+
+    # Select internationalisation properties.
+    i18n = {
+        defaultLocale = "zh_CN.UTF-8";
+        extraLocaleSettings = {
+            LC_ADDRESS = "zh_CN.UTF-8";
+            LC_IDENTIFICATION = "zh_CN.UTF-8";
+            LC_MEASUREMENT = "zh_CN.UTF-8";
+            LC_MONETARY = "zh_CN.UTF-8";
+            LC_NAME = "zh_CN.UTF-8";
+            LC_NUMERIC = "zh_CN.UTF-8";
+            LC_PAPER = "zh_CN.UTF-8";
+            LC_TELEPHONE = "zh_CN.UTF-8";
+            LC_TIME = "zh_CN.UTF-8";
+        };
+    };
+}

global/user-configuration.nix

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+{
+    users= {
+        mutableUsers = false;
+        users = {
+            user = {
+                isNormalUser = true;
+                description = "Default user";
+                extraGroups = [
+                    "networkmanager"
+                    "wheel"
+                    "input"
+                ];
+            };
+        };
+    };
+}