Update locale files for English, Traditional Chinese, and Simplified Chinese to add new section for IIS settings in the AudioPage; refactor AudioPage to include IIS mute level and mode options, enhancing user interface and localization support.

client/src/locales/data-en.json

@@ -312,6 +312,7 @@
   "dac": {
     "sectionBalanceSensitivity": "Balance & sensitivity",
     "sectionOutput": "Output characteristics",
+    "sectionIisSettings": "IIS settings",
     "sectionSystemInterface": "System & interface",
     "balance": "Left-right balance",
     "sensitivity": "VU Meter Sensitivity",

client/src/locales/data-zh-HK.json

@@ -248,6 +248,7 @@
   "dac": {
     "sectionBalanceSensitivity": "平衡與靈敏度",
     "sectionOutput": "輸出特性",
+    "sectionIisSettings": "IIS設定",
     "sectionSystemInterface": "系統與介面",
     "balance": "左右平衡",
     "sensitivity": "VU表靈敏度",

client/src/locales/data-zh.json

@@ -248,6 +248,7 @@
   "dac": {
     "sectionBalanceSensitivity": "平衡与灵敏度",
     "sectionOutput": "输出特性",
+    "sectionIisSettings": "IIS设置",
     "sectionSystemInterface": "系统与接口",
     "balance": "左右平衡",
     "sensitivity": "vu表灵敏度",

client/src/pages/AudioPage.tsx

@@ -4,7 +4,8 @@
    Sections:
      - 平衡与灵敏度: 左右平衡 slider, VU灵敏度 slider
      - 输出特性: 滤波特性, 耳机增益, 音量幅度
-     - 系统与接口: XLR极性, DAC增益, DAC阻抗
+     - IIS设置: IIS静音电平, IIS模式
+     - 系统与接口: 开机音量, XLR极性
    All list rows → navigate to /select page
    ============================================================ */
 import { useDevice } from "@/contexts/DeviceContext";
@@ -83,6 +84,7 @@ type LocaleDac = {
   dac?: {
     sectionBalanceSensitivity?: string;
     sectionOutput?: string;
+    sectionIisSettings?: string;
     sectionSystemInterface?: string;
     balance?: string;
     sensitivity?: string;
@@ -297,6 +299,21 @@ export default function AudioPage() {
           />
         </div>
 
+        {/* ── IIS 设置 ── */}
+        <SectionHeader title={dacText.sectionIisSettings ?? "IIS设置"} />
+        <div className="ios-list-group">
+          <ListRow
+            label={dacText.mutePolar?.label ?? "IIS 静音电平"}
+            value={MUTE_POLAR_OPTIONS[mutePolarIdx] ?? MUTE_POLAR_OPTIONS[0] ?? "—"}
+            onClick={() => goSelect(dacText.mutePolar?.label ?? "选择 IIS 静音电平", MUTE_POLAR_OPTIONS, mutePolarIdx, "mutePolar")}
+          />
+          <ListRow
+            label={dacText.IISMode?.label ?? "IIS 模式"}
+            value={IIS_MODE_OPTIONS[iisModeIdx] ?? IIS_MODE_OPTIONS[0] ?? "—"}
+            onClick={() => goSelect(dacText.IISMode?.label ?? "选择 IIS 模式", IIS_MODE_OPTIONS, iisModeIdx, "IISMode")}
+          />
+        </div>
+
         {/* ── 系统与接口 ── */}
         <SectionHeader title={dacText.sectionSystemInterface ?? "系统与接口"} />
         <div className="ios-list-group">
@@ -317,16 +334,6 @@ export default function AudioPage() {
             value={XLR_OPTIONS[xlrIdx] ?? XLR_OPTIONS[0] ?? "—"}
             onClick={() => goSelect(dacText.xlr?.label ?? "选择 XLR 极性", XLR_OPTIONS, xlrIdx, "xlr")}
           />
-          <ListRow
-            label={dacText.mutePolar?.label ?? "IIS 静音电平"}
-            value={MUTE_POLAR_OPTIONS[mutePolarIdx] ?? MUTE_POLAR_OPTIONS[0] ?? "—"}
-            onClick={() => goSelect(dacText.mutePolar?.label ?? "选择 IIS 静音电平", MUTE_POLAR_OPTIONS, mutePolarIdx, "mutePolar")}
-          />
-          <ListRow
-            label={dacText.IISMode?.label ?? "IIS 模式"}
-            value={IIS_MODE_OPTIONS[iisModeIdx] ?? IIS_MODE_OPTIONS[0] ?? "—"}
-            onClick={() => goSelect(dacText.IISMode?.label ?? "选择 IIS 模式", IIS_MODE_OPTIONS, iisModeIdx, "IISMode")}
-          />
         </div>
       </div>