diff --git a/client/lib/pangolin_theme.dart b/client/lib/pangolin_theme.dart
index 62051af..9d78795 100644
--- a/client/lib/pangolin_theme.dart
+++ b/client/lib/pangolin_theme.dart
@@ -24,6 +24,27 @@ import 'package:google_fonts/google_fonts.dart';
 import 'pangolin_tokens.gen.dart';
 export 'pangolin_tokens.gen.dart';
 
+/// 自定义容器（自带圆角/边框/聚焦态）里嵌 [TextField] 时用此装饰：
+/// 彻底关掉主题 [inputDecorationTheme] 的边框/填充泄漏。
+///
+/// 坑：主题里设了 `focusedBorder: OutlineInputBorder(accent)` + `filled:true`。
+/// 字段只写 `border: InputBorder.none` **不覆盖 focusedBorder** 时，聚焦瞬间主题的
+/// 橙色 OutlineInputBorder + 填充会画到内层 TextField 上，与外层容器圆角错位/被裁
+/// （登录/注册的邮箱·密码·验证码、节点页搜索框聚焦时左右各缺一截即此因）。
+/// 聚焦指示交给外层容器自己负责（如 [Border.all(accent)]）。
+///
+/// 注意：只压边框、不动 `filled`/`fillColor`——未聚焦态外观与改前完全一致（不动 golden），
+/// 漏出的橙框只来自 `focusedBorder`（未聚焦态早已解析为无边框）。
+const InputDecoration kBareInput = InputDecoration(
+  isCollapsed: true,
+  border: InputBorder.none,
+  enabledBorder: InputBorder.none,
+  focusedBorder: InputBorder.none,
+  disabledBorder: InputBorder.none,
+  errorBorder: InputBorder.none,
+  focusedErrorBorder: InputBorder.none,
+);
+
 /// ── Semantic tokens, resolved per brightness ───────────────────────
 @immutable
 class PangolinScheme extends ThemeExtension<PangolinScheme> {
diff --git a/client/lib/screens/nodes_page.dart b/client/lib/screens/nodes_page.dart
index 23a5aee..f93e3fb 100644
--- a/client/lib/screens/nodes_page.dart
+++ b/client/lib/screens/nodes_page.dart
@@ -165,10 +165,10 @@ class _SearchBox extends StatelessWidget {
           child: TextField(
             onChanged: onChanged,
             style: PangolinText.sm.copyWith(color: c.fg1, fontSize: 15),
-            decoration: InputDecoration(
-              isCollapsed: true,
+            // kBareInput 关掉主题 inputDecorationTheme 的边框/填充泄漏（否则聚焦时
+            // 橙色 OutlineInputBorder 会画到内层 TextField 上、与搜索框圆角错位/被裁）。
+            decoration: kBareInput.copyWith(
               contentPadding: const EdgeInsets.symmetric(vertical: 12),
-              border: InputBorder.none,
               hintText: hint,
               hintStyle: PangolinText.sm.copyWith(color: c.fg3, fontSize: 15),
             ),
diff --git a/client/lib/widgets/account_screens.dart b/client/lib/widgets/account_screens.dart
index ab19b93..ed60b21 100644
--- a/client/lib/widgets/account_screens.dart
+++ b/client/lib/widgets/account_screens.dart
@@ -260,7 +260,8 @@ class _RedeemScreenState extends ConsumerState<RedeemScreen> {
                     controller: _code,
                     textCapitalization: TextCapitalization.characters,
                     style: PangolinText.mono.copyWith(color: c.fg1, letterSpacing: 1.5),
-                    decoration: InputDecoration(border: InputBorder.none, isCollapsed: true, contentPadding: const EdgeInsets.symmetric(vertical: 13), hintText: t.redeemPh, hintStyle: PangolinText.sm.copyWith(color: c.fg3)),
+                    // kBareInput 关掉主题边框/填充泄漏（聚焦时橙框错位/被裁），聚焦态交给外层 Border。
+                    decoration: kBareInput.copyWith(contentPadding: const EdgeInsets.symmetric(vertical: 13), hintText: t.redeemPh, hintStyle: PangolinText.sm.copyWith(color: c.fg3)),
                     onChanged: (_) => setState(() {}),
                   ),
                 )),
diff --git a/client/lib/widgets/auth_screen.dart b/client/lib/widgets/auth_screen.dart
index a6384d1..b48c830 100644
--- a/client/lib/widgets/auth_screen.dart
+++ b/client/lib/widgets/auth_screen.dart
@@ -329,8 +329,10 @@ class _AuthScreenState extends ConsumerState<AuthScreen>
     ]);
   }
 
+  // kBareInput 关掉主题 inputDecorationTheme 的边框/填充泄漏（否则聚焦时橙色
+  // OutlineInputBorder 会画到内层 TextField 上、与外层容器错位/被裁）。
   InputDecoration get _bare =>
-      const InputDecoration(border: InputBorder.none, isCollapsed: true, contentPadding: EdgeInsets.symmetric(vertical: 13));
+      kBareInput.copyWith(contentPadding: const EdgeInsets.symmetric(vertical: 13));
 
   // 密码输入 + 显示/隐藏切换(眼睛按钮)。
   Widget _pwInput(PangolinScheme c, String hint) => Row(children: [