diff --git a/README.md b/README.md
index 8c55408..bd989b5 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,8 @@ Engine 创意工坊图片，不修改显示器分辨率、缩放和排列。
 curl -fsSL https://git.k1412.top/wuyang/niri-beyond-glass/raw/branch/main/install.sh | bash
 ```
 
-首次安装需要编译 Niri，并下载约 700 MB 的隔离 DMS 运行环境，最终约占用
-2.2 GB。脚本会调用 `sudo` 安装依赖，但必须以普通用户运行。完成后注销，在
+首次安装需要编译 Niri，并下载隔离的 DMS 运行环境与 NixGL 图形驱动桥接，
+最终约占用 3.3 GB。脚本会调用 `sudo` 安装依赖，但必须以普通用户运行。完成后注销，在
 GDM 会话菜单选择 **Niri**。
 
 已经运行过旧版安装器但顶栏风格不一致时，直接再次运行同一命令。脚本会跳过
@@ -105,6 +105,8 @@ curl -fsSL https://git.k1412.top/wuyang/niri-beyond-glass/raw/branch/main/uninst
   `/usr/local` 编译安装 0.3.0。
 - Ubuntu 24.04 的 PPA 没有 DMS/Quickshell 软件包，因此使用 Ubuntu 自带 Nix
   作为隔离兼容层；这不把 Ubuntu 转换为 NixOS。
+- Quickshell 通过 64 位 NixGL 桥接 Ubuntu 的 OpenGL/Vulkan 驱动；不安装
+  DMS 不需要的 32 位图形库。
 - 不安装 DMS Greeter，登录界面仍由 GDM 管理；DMS 锁屏属于 Niri 会话内部。
 - 壁纸和显示器布局不会从作者机器迁移。
 - NVIDIA 用户应先确保 Ubuntu 官方驱动在 GNOME Wayland 下工作正常。
@@ -114,6 +116,7 @@ curl -fsSL https://git.k1412.top/wuyang/niri-beyond-glass/raw/branch/main/uninst
 - [Niri](https://github.com/niri-wm/niri)
 - [DankMaterialShell](https://github.com/AvengeMedia/DankMaterialShell)
 - [Quickshell](https://quickshell.org/)
+- [NixGL](https://github.com/nix-community/nixGL)
 - [Xwayland Satellite](https://github.com/Supreeeme/xwayland-satellite)
 
 ## License
diff --git a/config/niri/beyond-glass.kdl b/config/niri/beyond-glass.kdl
index 04a7fe8..cd14d4b 100644
--- a/config/niri/beyond-glass.kdl
+++ b/config/niri/beyond-glass.kdl
@@ -23,7 +23,6 @@ input {
 }
 
 spawn-at-startup "xwayland-satellite"
-spawn-at-startup "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1"
 spawn-sh-at-startup "systemctl --user start dms.service"
 
 hotkey-overlay {
diff --git a/config/nixgl/flake.lock b/config/nixgl/flake.lock
new file mode 100644
index 0000000..485e938
--- /dev/null
+++ b/config/nixgl/flake.lock
@@ -0,0 +1,45 @@
+{
+  "nodes": {
+    "nixgl": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1762090880,
+        "narHash": "sha256-fbRQzIGPkjZa83MowjbD2ALaJf9y6KMDdJBQMKFeY/8=",
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "rev": "b6105297e6f0cd041670c3e8628394d4ee247ed5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "rev": "b6105297e6f0cd041670c3e8628394d4ee247ed5",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783224372,
+        "narHash": "sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU+K27sk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d407951447dcd00442e97087bf374aad70c04cea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d407951447dcd00442e97087bf374aad70c04cea",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixgl": "nixgl",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/config/nixgl/flake.nix b/config/nixgl/flake.nix
new file mode 100644
index 0000000..84ce93e
--- /dev/null
+++ b/config/nixgl/flake.nix
@@ -0,0 +1,31 @@
+{
+  description = "64-bit nixGL wrapper for Niri Beyond Glass";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/d407951447dcd00442e97087bf374aad70c04cea";
+    nixgl = {
+      url = "github:nix-community/nixGL/b6105297e6f0cd041670c3e8628394d4ee247ed5";
+      flake = false;
+    };
+  };
+
+  outputs = { nixpkgs, nixgl, ... }:
+    let
+      forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" "aarch64-linux" ];
+    in {
+      packages = forAllSystems (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            config.allowUnfree = true;
+          };
+          wrappers = import "${nixgl}/default.nix" {
+            inherit pkgs;
+            enable32bits = false;
+            enableIntelX86Extensions = system == "x86_64-linux";
+          };
+        in {
+          default = wrappers.auto.nixGLDefault;
+        });
+    };
+}
diff --git a/config/systemd/dms.service b/config/systemd/dms.service
index 2228ba5..a9e058c 100644
--- a/config/systemd/dms.service
+++ b/config/systemd/dms.service
@@ -6,7 +6,7 @@ After=graphical-session.target
 [Service]
 Type=simple
 Environment=PATH=%h/.local/bin:%h/.local/state/niri-beyond-glass/nix-profile/bin:/usr/local/bin:/usr/bin:/bin
-ExecStart=%h/.local/state/niri-beyond-glass/nix-profile/bin/dms run --session
+ExecStart=%h/.local/state/niri-beyond-glass/nix-profile/bin/nixGL %h/.local/state/niri-beyond-glass/nix-profile/bin/dms run --session
 ExecReload=/usr/bin/pkill -USR1 -x dms
 Restart=on-failure
 RestartSec=1.23
diff --git a/install.sh b/install.sh
index 6b070ff..1b8cce5 100755
--- a/install.sh
+++ b/install.sh
@@ -143,11 +143,16 @@ install_dms_runtime() {
     local profile="$state_home/$PROJECT/nix-profile"
     local dms_flake="github:AvengeMedia/DankMaterialShell/$DMS_REV"
     local nixpkgs="github:NixOS/nixpkgs/$NIXPKGS_REV"
+    local nixgl_flake="$source_dir/config/nixgl"
+    local core_ready=0
 
     if [[ -x "$profile/bin/dms" && -x "$profile/bin/quickshell" &&
           -x "$profile/bin/matugen" && -x "$profile/bin/dgop" &&
           -x "$profile/bin/dsearch" ]]; then
-        log "DMS 运行层已经安装，跳过"
+        core_ready=1
+    fi
+    if (( core_ready )) && [[ -x "$profile/bin/nixGL" ]]; then
+        log "DMS 图形运行层已经安装，跳过"
         return
     fi
 
@@ -163,25 +168,46 @@ install_dms_runtime() {
     fi
 
     local attempt
-    for attempt in 1 2 3 4 5; do
-        if sudo -u "$USER" -g nix-users env \
-            HOME="$HOME" USER="$USER" \
-            NIX_CONFIG="experimental-features = nix-command flakes" \
-            nix profile install --profile "$profile" \
-                "$dms_flake#dms-shell" \
-                "$nixpkgs#quickshell" \
-                "$nixpkgs#matugen" \
-                "$nixpkgs#dgop" \
-                "$nixpkgs#dsearch"; then
-            break
-        fi
-        (( attempt < 5 )) || die "DMS 运行层安装失败，请检查网络后重新运行脚本。"
-        log "下载中断，正在重试（$attempt/5）"
-        sleep 3
-    done
+    if (( ! core_ready )); then
+        for attempt in 1 2 3 4 5; do
+            if sudo -u "$USER" -g nix-users env \
+                HOME="$HOME" USER="$USER" \
+                NIX_CONFIG="experimental-features = nix-command flakes" \
+                nix profile install --profile "$profile" \
+                    "$dms_flake#dms-shell" \
+                    "$nixpkgs#quickshell" \
+                    "$nixpkgs#matugen" \
+                    "$nixpkgs#dgop" \
+                    "$nixpkgs#dsearch"; then
+                break
+            fi
+            (( attempt < 5 )) ||
+                die "DMS 运行层安装失败，请检查网络后重新运行脚本。"
+            log "下载中断，正在重试（$attempt/5）"
+            sleep 3
+        done
+    fi
 
-    [[ -x "$profile/bin/dms" && -x "$profile/bin/quickshell" ]] ||
-        die "DMS 或 Quickshell 安装不完整。"
+    if [[ ! -x "$profile/bin/nixGL" ]]; then
+        log "安装与 Quickshell 匹配的 NixGL 驱动桥接"
+        for attempt in 1 2 3; do
+            if sudo -u "$USER" -g nix-users env \
+                HOME="$HOME" USER="$USER" \
+                NIX_CONFIG="experimental-features = nix-command flakes" \
+                nix profile install --profile "$profile" --impure \
+                    "$nixgl_flake#default"; then
+                break
+            fi
+            (( attempt < 3 )) ||
+                die "NixGL 安装失败，请检查网络后重新运行脚本。"
+            log "NixGL 下载中断，正在重试（$attempt/3）"
+            sleep 3
+        done
+    fi
+
+    [[ -x "$profile/bin/dms" && -x "$profile/bin/quickshell" &&
+       -x "$profile/bin/nixGL" ]] ||
+        die "DMS、Quickshell 或 NixGL 安装不完整。"
 }
 
 install_rust() {
@@ -381,7 +407,7 @@ backup_and_install_config() {
 
     local profile="$state_home/$PROJECT/nix-profile"
     local binary
-    for binary in dms quickshell qs matugen dgop dsearch; do
+    for binary in dms quickshell qs matugen dgop dsearch nixGL; do
         if [[ -x "$profile/bin/$binary" ]]; then
             ln -sfn "$profile/bin/$binary" "$HOME/.local/bin/$binary"
         fi
@@ -470,6 +496,7 @@ activate_dms() {
         log "当前没有可用的 systemd 用户会话；DMS 将在下次 Niri 登录时启动"
         return
     fi
+    systemctl --user unset-environment QT_QUICK_BACKEND 2>/dev/null || true
     systemctl --user enable dms.service
 
     "$profile/bin/dms" auth resolve-lock --quiet >/dev/null 2>&1 || true
@@ -500,7 +527,8 @@ main() {
         install_dms_runtime
     else
         local profile="${XDG_STATE_HOME:-$HOME/.local/state}/$PROJECT/nix-profile"
-        [[ -x "$profile/bin/dms" && -x "$profile/bin/quickshell" ]] ||
+        [[ -x "$profile/bin/dms" && -x "$profile/bin/quickshell" &&
+           -x "$profile/bin/nixGL" ]] ||
             die "--config-only 需要先完成一次完整安装。"
     fi
 
diff --git a/uninstall.sh b/uninstall.sh
index bfac533..5a4a074 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -28,7 +28,7 @@ rm -rf \
 rm -f "$config_home/systemd/user/dms.service"
 rm -rf "$state_home/DankMaterialShell"
 
-for binary in dms quickshell qs matugen dgop dsearch; do
+for binary in dms quickshell qs matugen dgop dsearch nixGL; do
     link="$HOME/.local/bin/$binary"
     if [[ -L "$link" && "$(readlink "$link")" == "$profile/"* ]]; then
         rm -f "$link"