fix: 优化UI细节 - 标题居中、厂商图标、透明背景、tooltip分行显示

- 弹窗标题居中显示
- GPU卡片图标根据厂商显示简称(NV/AMD/Intel等)
- 任务栏图标改为透明背景+边框样式
- 加深蓝色调提高文字对比度
- 刷新按钮改为蓝底白字
- tooltip多显卡分行显示

package/driverview.qml

@@ -30,28 +30,32 @@ AppletItem {
     readonly property color tertiaryText: Qt.rgba(basePalette.r, basePalette.g, basePalette.b, 0.5)
     readonly property color cardBackground: Qt.rgba(basePalette.r, basePalette.g, basePalette.b, 0.06)
     readonly property color cardBorder: Qt.rgba(basePalette.r, basePalette.g, basePalette.b, 0.1)
-    readonly property color accentBlue: Qt.rgba(36 / 255, 118 / 255, 220 / 255, 1)
-    readonly property color accentBlueLight: Qt.rgba(36 / 255, 118 / 255, 220 / 255, 0.15)
+    readonly property color accentBlue: Qt.rgba(20 / 255, 80 / 255, 160 / 255, 1)
+    readonly property color accentBlueLight: Qt.rgba(20 / 255, 80 / 255, 160 / 255, 0.12)
 
     // 图标区域
     Rectangle {
-        anchors.fill: parent
-        color: accentBlue
-        radius: 8
+        anchors.centerIn: parent
+        width: dockSize * 0.7
+        height: dockSize * 0.7
+        color: "transparent"
+        radius: width * 0.45
+        border.width: 1
+        border.color: root.secondaryText
 
         Text {
             anchors.centerIn: parent
             text: "GPU"
-            font.pixelSize: root.dockSize * 0.3
+            font.pixelSize: root.dockSize * 0.22
             font.bold: true
-            color: "white"
+            color: root.primaryText
         }
     }
 
     // 悬停提示
     PanelToolTip {
         id: toolTip
-        text: root.ready ? root.gpuSummary : qsTr("No GPU detected")
+        text: root.ready ? root.deviceInfo.replace(/\n/g, "\n") : qsTr("No GPU detected")
         toolTipX: DockPanelPositioner.x
         toolTipY: DockPanelPositioner.y
     }
@@ -106,6 +110,8 @@ AppletItem {
                     Layout.fillWidth: true
                     spacing: 10
 
+                    Item { Layout.fillWidth: true }
+
                     Rectangle {
                         width: 28
                         height: 28
@@ -126,8 +132,9 @@ AppletItem {
                         font.pixelSize: 16
                         font.bold: true
                         color: root.primaryText
-                        Layout.fillWidth: true
                     }
+
+                    Item { Layout.fillWidth: true }
                 }
 
                 // 分隔线
@@ -200,7 +207,7 @@ AppletItem {
 
                                         Text {
                                             anchors.centerIn: parent
-                                            text: "GPU"
+                                            text: parseGpuVendorShort(modelData)
                                             font.pixelSize: 14
                                             font.bold: true
                                             color: root.accentBlue
@@ -272,13 +279,13 @@ AppletItem {
                     font.pixelSize: 13
 
                     background: Rectangle {
-                        color: refreshBtn.hovered ? root.accentBlue : root.accentBlueLight
+                        color: refreshBtn.hovered ? Qt.darker(root.accentBlue, 1.2) : root.accentBlue
                         radius: 8
                     }
 
                     contentItem: Text {
                         text: refreshBtn.text
-                        color: refreshBtn.hovered ? "white" : root.accentBlue
+                        color: "white"
                         font.pixelSize: refreshBtn.font.pixelSize
                         horizontalAlignment: Text.AlignHCenter
                         verticalAlignment: Text.AlignVCenter
@@ -320,6 +327,17 @@ AppletItem {
         return info
     }
 
+    // 识别 GPU 厂商简称
+    function parseGpuVendorShort(info) {
+        var name = info.toLowerCase()
+        if (name.indexOf("nvidia") !== -1) return "NV"
+        if (name.indexOf("amd") !== -1 || name.indexOf("ati") !== -1 || name.indexOf("advanced micro") !== -1) return "AMD"
+        if (name.indexOf("intel") !== -1) return "Intel"
+        if (name.indexOf("qualcomm") !== -1) return "QC"
+        if (name.indexOf("microsoft") !== -1) return "MS"
+        return "GPU"
+    }
+
     // 点击处理
     TapHandler {
         acceptedButtons: Qt.LeftButton