ui: avoid alpha 0 on images with Mask dependency across PledgerSkin

src/Decentralized/PledgerSkin.cs

@@ -27,8 +27,16 @@ namespace Decentralized
         public static readonly Color Paper = new Color(0.847f, 0.855f, 0.816f); // #D8DAD0
         public static readonly Color RowNormal = new Color(0f, 0f, 0f, 0.04f);
         public static readonly Color Transparent = new Color(0f, 0f, 0f, 0f);
+        public static readonly Color MaskClear = new Color(0f, 0f, 0f, 0.004f);
         public static readonly Color Separator = new Color(0.12f, 0.12f, 0.14f, 0.18f);
 
+        /// <summary>透明化底图：若附带 Mask 组件则保留极微小 alpha（0.004），避免 Mask 模板 alpha 为 0 导致子内容被整裁。</summary>
+        public static void SetClear(Image img)
+        {
+            if (img == null) return;
+            img.color = (img.GetComponent<Mask>() != null) ? MaskClear : Transparent;
+        }
+
         private static readonly Dictionary<string, Sprite> Sliced = new Dictionary<string, Sprite>();
 
         /// <summary>把本 mod 的像素图做成九宫格贴到 Image 上：边角 border 像素不拉伸，一个像素放大成 3 个界面单位。</summary>
@@ -116,7 +124,7 @@ namespace Decentralized
             foreach (var name in new[] { "header", "rule" })
             {
                 var img = win.root.transform.Find(name)?.GetComponent<Image>();
-                if (img != null) img.color = Transparent;
+                if (img != null) SetClear(img);
             }
             if (win.frame?.titleText != null)
             {
@@ -193,18 +201,18 @@ namespace Decentralized
             foreach (var scroll in screen.GetComponentsInChildren<ScrollRect>(true))
             {
                 var bg = scroll.GetComponent<Image>();
-                if (bg != null) bg.color = Transparent;
+                if (bg != null) SetClear(bg);
                 if (scroll.viewport != null)
                 {
                     var vpImg = scroll.viewport.GetComponent<Image>();
                     // 视口的图是 Mask 的模板：alpha 为 0 会把整个内容裁掉，只能压到几乎看不见
-                    if (vpImg != null) vpImg.color = new Color(0f, 0f, 0f, 0.004f);
+                    if (vpImg != null) SetClear(vpImg);
                 }
                 if (scroll.verticalScrollbar != null)
                 {
                     var sb = scroll.verticalScrollbar;
                     var track = sb.GetComponent<Image>();
-                    if (track != null) track.color = Transparent;
+                    if (track != null) SetClear(track);
                     if (sb.handleRect != null)
                     {
                         var handleImg = sb.handleRect.GetComponent<Image>();
@@ -217,11 +225,15 @@ namespace Decentralized
                 }
             }
 
-            // 清理辅助 Panel 底图
+            // 清理辅助 Panel 底图与任何残留原生灰色边框的容器
             if (clear != null)
             {
                 foreach (var img in clear)
-                    if (img != null) img.color = Transparent;
+                    if (img != null) SetClear(img);
+            }
+            foreach (var img in screen.GetComponentsInChildren<Image>(true))
+            {
+                if (img.sprite == MachineryStyle.BevelFrame) SetClear(img);
             }
 
             // 数据表行：反色高亮与整行点击

src/Decentralized/WalletWindow.cs

@@ -195,7 +195,7 @@ namespace Decentralized
                 OnClick = () => { dev.Asset = x.asset; dev.Note = null; Open(dev); }
             });
             PledgerSkin.Apply(win, screen, bezel, paper, _picked, _clear, rows);
-            if (plate != null) plate.color = PledgerSkin.Transparent;
+            if (plate != null) PledgerSkin.SetClear(plate);
             // 签名要按住 ✓：在按键上挂一个按住计时
             if (ok != null && dev.Screen == Screen.Review && ok.GetComponent<HoldToSign>() == null) ok.AddComponent<HoldToSign>().Device = dev.Address;
         }