diff --git a/apps/ios/Sources/MultiSimAdmin/Features/Fleet/FleetView.swift b/apps/ios/Sources/MultiSimAdmin/Features/Fleet/FleetView.swift
index 89ccafb..21681c5 100644
--- a/apps/ios/Sources/MultiSimAdmin/Features/Fleet/FleetView.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Features/Fleet/FleetView.swift
@@ -137,7 +137,8 @@ struct FleetView: View {
         .buttonStyle(
           AIButtonStyle(
             kind: .secondary,
-            size: .compact
+            size: .regular,
+            fixedWidth: 96
           )
         )
 
diff --git a/apps/ios/Sources/MultiSimAdmin/Features/Logs/LogsView.swift b/apps/ios/Sources/MultiSimAdmin/Features/Logs/LogsView.swift
index d1e5534..f05a734 100644
--- a/apps/ios/Sources/MultiSimAdmin/Features/Logs/LogsView.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Features/Logs/LogsView.swift
@@ -55,7 +55,11 @@ struct LogsView: View {
     .navigationTitle("日志中心")
     .toolbar {
       ToolbarItemGroup(placement: .primaryAction) {
-        AIToolbarButton("刷新", systemImage: "arrow.clockwise") {
+        AIToolbarButton(
+          "刷新",
+          systemImage: "arrow.clockwise",
+          kind: .primary
+        ) {
           Task { await model.refresh() }
         }
         .disabled(model.isLoading)
diff --git a/apps/ios/Sources/MultiSimAdmin/Features/Notifications/NotificationsView.swift b/apps/ios/Sources/MultiSimAdmin/Features/Notifications/NotificationsView.swift
index 3128ea0..312df0d 100644
--- a/apps/ios/Sources/MultiSimAdmin/Features/Notifications/NotificationsView.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Features/Notifications/NotificationsView.swift
@@ -56,7 +56,7 @@ struct NotificationsView: View {
             Text(
               model.isRetryingAll
                 ? "投递中"
-                : (model.overview?.queue.total == 0 ? "暂无待投递" : "立即投递")
+                : (model.overview?.queue.total == 0 ? "没有待投递" : "立即投递")
             )
           }
         }
@@ -198,7 +198,11 @@ struct NotificationsView: View {
                 Label("重试", systemImage: "arrow.clockwise")
               }
               .buttonStyle(
-                AIButtonStyle(kind: .secondary, size: .compact, fillsWidth: true)
+                AIButtonStyle(
+                  kind: .secondary,
+                  size: .compact,
+                  fixedWidth: AITheme.listActionButtonWidth
+                )
               )
               .disabled(model.busyQueueID != nil)
 
@@ -207,7 +211,13 @@ struct NotificationsView: View {
               } label: {
                 Label("删除", systemImage: "trash")
               }
-              .buttonStyle(AIButtonStyle(kind: .danger, size: .compact, fillsWidth: true))
+              .buttonStyle(
+                AIButtonStyle(
+                  kind: .danger,
+                  size: .compact,
+                  fixedWidth: AITheme.listActionButtonWidth
+                )
+              )
               .disabled(model.busyQueueID != nil)
             }
           }
diff --git a/apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsView.swift b/apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsView.swift
index 43273bb..6e4b920 100644
--- a/apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsView.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Features/Settings/SettingsView.swift
@@ -1,103 +1,116 @@
 import SwiftUI
 
 struct SettingsView: View {
-    @StateObject private var model: SettingsViewModel
-    @State private var showsClearDialog = false
+  @StateObject private var model: SettingsViewModel
+  @State private var showsClearDialog = false
 
-    init(model: SettingsViewModel? = nil) {
-        _model = StateObject(wrappedValue: model ?? DefaultContainer.makeSettingsModel())
+  init(model: SettingsViewModel? = nil) {
+    _model = StateObject(wrappedValue: model ?? DefaultContainer.makeSettingsModel())
+  }
+
+  var body: some View {
+    ScrollView {
+      LazyVStack(spacing: 12) {
+        if let errorMessage = model.errorMessage {
+          AIStatusBanner(
+            errorMessage, tint: AITheme.danger, systemImage: "exclamationmark.triangle")
+        }
+        if let notice = model.notice {
+          AIStatusBanner(notice, tint: AITheme.success, systemImage: "checkmark.circle")
+        }
+
+        runtimeCard
+        storageCard
+        securityCard
+        dangerZoneCard
+      }
+      .padding(16)
+      .padding(.bottom, 8)
     }
-
-    var body: some View {
-        ScrollView {
-            LazyVStack(spacing: 12) {
-                if let errorMessage = model.errorMessage {
-                    AIStatusBanner(errorMessage, tint: AITheme.danger, systemImage: "exclamationmark.triangle")
-                }
-                if let notice = model.notice {
-                    AIStatusBanner(notice, tint: AITheme.success, systemImage: "checkmark.circle")
-                }
-
-                runtimeCard
-                storageCard
-                securityCard
-            }
-            .padding(16)
-            .padding(.bottom, 8)
-        }
-        .background(AITheme.canvas.ignoresSafeArea())
-        .navigationTitle("设置")
-        .toolbar {
-            ToolbarItemGroup(placement: .primaryAction) {
-                AIToolbarButton("刷新", systemImage: "arrow.clockwise") {
-                    Task { await model.refresh() }
-                }
-                .disabled(model.isLoading)
-            }
-        }
-        .refreshable {
-            await model.refresh()
-        }
-        .confirmationDialog(
-            "确认清除运行日志？此操作不可恢复。",
-            isPresented: $showsClearDialog,
-            titleVisibility: .visible
+    .background(AITheme.canvas.ignoresSafeArea())
+    .navigationTitle("设置")
+    .toolbar {
+      ToolbarItemGroup(placement: .primaryAction) {
+        AIToolbarButton(
+          "刷新",
+          systemImage: "arrow.clockwise",
+          kind: .primary
         ) {
-            Button("清除运行日志", role: .destructive) {
-                Task { await model.clearRuntimeLogs() }
-            }
-            Button("取消", role: .cancel) {}
-        }
-        .task {
-            await model.refresh()
+          Task { await model.refresh() }
         }
+        .disabled(model.isLoading)
+      }
     }
-
-    private var runtimeCard: some View {
-        AICard {
-            VStack(alignment: .leading, spacing: 12) {
-                AISectionTitle("应用信息", systemImage: "info.circle")
-                if let runtime = model.runtime {
-                    AIKeyValueRow("版本", value: "\(runtime.marketingVersion) (\(runtime.buildVersion))")
-                    AIKeyValueRow("设备", value: runtime.deviceModel)
-                } else {
-                    Text("正在读取应用信息…")
-                        .font(.subheadline)
-                        .foregroundStyle(AITheme.muted)
-                }
-            }
-        }
+    .refreshable {
+      await model.refresh()
     }
-
-    private var storageCard: some View {
-        AICard {
-            VStack(alignment: .leading, spacing: 12) {
-                AISectionTitle("本地数据", systemImage: "externaldrive")
-                AIKeyValueRow("存储位置", value: "仅保存在本机应用沙盒")
-                AIKeyValueRow("当前占用", value: model.storageLabel)
-                Button {
-                    showsClearDialog = true
-                } label: {
-                    Label("清除运行日志", systemImage: "trash")
-                }
-                    .buttonStyle(AIButtonStyle(kind: .danger, size: .regular, fillsWidth: true))
-            }
-        }
+    .confirmationDialog(
+      "确认清除运行日志？此操作不可恢复。",
+      isPresented: $showsClearDialog,
+      titleVisibility: .visible
+    ) {
+      Button("清除运行日志", role: .destructive) {
+        Task { await model.clearRuntimeLogs() }
+      }
+      Button("取消", role: .cancel) {}
     }
-
-    private var securityCard: some View {
-        AICard {
-            VStack(alignment: .leading, spacing: 12) {
-                AISectionTitle("安全与登录", systemImage: "lock.shield")
-                AIKeyValueRow("实例密码", value: "保存在本机应用沙盒")
-                AIKeyValueRow("登录会话", value: "仅保存在内存")
-                AIStatusBanner(
-                    "实例凭据只保存在本机应用沙盒，登录会话只保留在内存中，应用关闭后自动失效。",
-                    tint: AITheme.primary,
-                    systemImage: "shield.checkered"
-                )
-            }
-        }
+    .task {
+      await model.refresh()
     }
+  }
 
+  private var runtimeCard: some View {
+    AICard {
+      VStack(alignment: .leading, spacing: 12) {
+        AISectionTitle("应用信息", systemImage: "info.circle")
+        if let runtime = model.runtime {
+          AIKeyValueRow("版本", value: "\(runtime.marketingVersion) (\(runtime.buildVersion))")
+          AIKeyValueRow("设备", value: runtime.deviceModel)
+        } else {
+          Text("正在读取应用信息…")
+            .font(.subheadline)
+            .foregroundStyle(AITheme.muted)
+        }
+      }
+    }
+  }
+
+  private var storageCard: some View {
+    AICard {
+      VStack(alignment: .leading, spacing: 12) {
+        AISectionTitle("本地数据", systemImage: "externaldrive")
+        AIKeyValueRow("存储位置", value: "仅保存在本机应用沙盒")
+        AIKeyValueRow("当前占用", value: model.storageLabel)
+      }
+    }
+  }
+
+  private var securityCard: some View {
+    AICard {
+      VStack(alignment: .leading, spacing: 12) {
+        AISectionTitle("隐私与安全", systemImage: "lock.shield")
+        AIKeyValueRow("实例密码", value: "保存在本机应用沙盒")
+        AIKeyValueRow("登录会话", value: "仅保存在内存")
+        AIStatusBanner(
+          "实例凭据只保存在本机应用沙盒，登录会话只保留在内存中，应用关闭后自动失效。",
+          tint: AITheme.primary,
+          systemImage: "shield.checkered"
+        )
+      }
+    }
+  }
+
+  private var dangerZoneCard: some View {
+    AICard {
+      VStack(alignment: .leading, spacing: 12) {
+        AISectionTitle("数据清理", systemImage: "trash.square", detail: "不可恢复")
+        Button {
+          showsClearDialog = true
+        } label: {
+          Label("清除运行日志", systemImage: "trash")
+        }
+        .buttonStyle(AIButtonStyle(kind: .danger, size: .regular, fillsWidth: true))
+      }
+    }
+  }
 }
diff --git a/apps/ios/Sources/MultiSimAdmin/Theme/AIButtonStyle.swift b/apps/ios/Sources/MultiSimAdmin/Theme/AIButtonStyle.swift
index f9a538b..ae2aac5 100644
--- a/apps/ios/Sources/MultiSimAdmin/Theme/AIButtonStyle.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Theme/AIButtonStyle.swift
@@ -41,6 +41,7 @@ public struct AIButtonStyle: ButtonStyle {
     case regular
     case large
     case toolbar
+    case toolbarInline
   }
 
   private let kind: Kind
@@ -66,13 +67,16 @@ public struct AIButtonStyle: ButtonStyle {
       switch size {
       case .compact: AITheme.compactButtonHeight
       case .large: AITheme.largeButtonHeight
-      case .regular: AITheme.buttonHeight
-      case .toolbar: AITheme.toolbarButtonHeight
+    case .regular: AITheme.buttonHeight
+    case .toolbar: AITheme.toolbarButtonHeight
+    case .toolbarInline: AITheme.toolbarButtonHeight
       }
 
-      configuration.label
+    configuration.label
       .labelStyle(.titleAndIcon)
-      .font(.system(size: size == .toolbar ? 15 : 16, weight: .semibold))
+      .font(
+        .system(size: size == .compact || size == .toolbarInline ? 15 : 16, weight: .semibold)
+      )
       .lineLimit(1)
       .foregroundStyle(kind.foregroundColor(isEnabled: isEnabled))
       .padding(.horizontal, fixedWidth == nil ? (kind == .secondary ? 12 : 14) : 0)
@@ -83,19 +87,38 @@ public struct AIButtonStyle: ButtonStyle {
       .frame(maxWidth: fillsWidth ? .infinity : nil)
       .frame(width: fixedWidth)
       .background(
-        RoundedRectangle(cornerRadius: AITheme.buttonRadius, style: .continuous)
-          .fill(kind.backgroundColor(isEnabled: isEnabled))
-          .shadow(
-            color: (kind == .secondary || !isEnabled) ? .clear : .black.opacity(0.10),
-            radius: 12,
-            x: 0,
-            y: 5
+        kind == .primary && isEnabled && size != .toolbarInline
+          ? AnyShapeStyle(
+            LinearGradient(
+              colors: [AITheme.primaryTop, AITheme.primaryBottom],
+              startPoint: .top,
+              endPoint: .bottom
+            )
           )
+          : AnyShapeStyle(kind.backgroundColor(isEnabled: isEnabled))
+      )
+      .shadow(
+        color: (kind == .secondary || !isEnabled) ? .clear : .black.opacity(0.10),
+        radius: 12,
+        x: 0,
+        y: 5
+      )
+      .clipShape(
+        RoundedRectangle(
+          cornerRadius: size == .toolbarInline ? AITheme.toolbarButtonHeight / 2 : AITheme.buttonRadius,
+          style: .continuous
+        )
       )
-      .clipShape(RoundedRectangle(cornerRadius: AITheme.buttonRadius, style: .continuous))
       .overlay {
-        RoundedRectangle(cornerRadius: AITheme.buttonRadius, style: .continuous)
-          .strokeBorder(kind == .secondary || !isEnabled ? AITheme.line : .clear)
+        RoundedRectangle(
+          cornerRadius: size == .toolbarInline ? AITheme.toolbarButtonHeight / 2 : AITheme.buttonRadius,
+          style: .continuous
+        )
+        .strokeBorder(
+          size == .toolbarInline && kind == .primary
+            ? AITheme.primary.opacity(0.28)
+            : (kind == .secondary || !isEnabled ? AITheme.line : .clear)
+        )
       }
       .scaleEffect(configuration.isPressed ? Self.pressedScale : 1)
       .opacity(configuration.isPressed ? 0.82 : 1)
@@ -106,7 +129,7 @@ public struct AIButtonStyle: ButtonStyle {
     case .compact: return AITheme.compactButtonMinWidth
     case .regular: return AITheme.regularButtonMinWidth
     case .large: return 92
-    case .toolbar: return AITheme.toolbarButtonMinWidth
+    case .toolbar, .toolbarInline: return AITheme.toolbarButtonMinWidth
     }
   }
 
diff --git a/apps/ios/Sources/MultiSimAdmin/Theme/AICard.swift b/apps/ios/Sources/MultiSimAdmin/Theme/AICard.swift
index c6488ad..507c10d 100644
--- a/apps/ios/Sources/MultiSimAdmin/Theme/AICard.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Theme/AICard.swift
@@ -11,8 +11,8 @@ public struct AICard<Content: View>: View {
 
   public var body: some View {
     content
-      .padding(padding)
-      .background(AITheme.surface)
+    .padding(padding)
+      .background(AICard.backgroundGradient)
       .clipShape(RoundedRectangle(cornerRadius: AITheme.cardRadius, style: .continuous))
       .shadow(color: .black.opacity(0.07), radius: 18, x: 0, y: 8)
       .overlay {
@@ -22,6 +22,16 @@ public struct AICard<Content: View>: View {
   }
 }
 
+private extension AICard {
+  static var backgroundGradient: LinearGradient {
+    LinearGradient(
+      colors: [AITheme.surfaceRaised, AITheme.surface],
+      startPoint: .top,
+      endPoint: .bottom
+    )
+  }
+}
+
 public struct AITag: View {
   private let text: String
   private let tint: Color
@@ -33,7 +43,7 @@ public struct AITag: View {
 
   public var body: some View {
     Text(text)
-      .font(.system(size: 12, weight: .semibold))
+      .font(.caption2.weight(.semibold))
       .foregroundStyle(tint)
       .lineLimit(1)
       .truncationMode(.middle)
@@ -100,6 +110,7 @@ public struct AISectionTitle: View {
       Image(systemName: systemImage)
         .font(.subheadline.weight(.semibold))
         .foregroundStyle(AITheme.primary)
+        .frame(width: 22, height: 22)
         .accessibilityHidden(true)
       Text(title)
         .font(.headline.weight(.semibold))
@@ -152,6 +163,8 @@ public struct AIStatCard: View {
       VStack(alignment: .leading, spacing: 5) {
         Text(title)
           .font(.caption.weight(.semibold))
+          .lineLimit(1)
+          .minimumScaleFactor(0.85)
           .foregroundStyle(AITheme.muted)
         Text(value)
           .font(.title3.weight(.bold))
@@ -194,9 +207,9 @@ public struct AIStatusBanner: View {
     }
     .padding(15)
     .background(tint.opacity(0.10))
-    .clipShape(RoundedRectangle(cornerRadius: 18, style: .continuous))
+    .clipShape(RoundedRectangle(cornerRadius: AITheme.cardRadius - 6, style: .continuous))
     .overlay {
-      RoundedRectangle(cornerRadius: 18, style: .continuous)
+      RoundedRectangle(cornerRadius: AITheme.cardRadius - 6, style: .continuous)
         .strokeBorder(tint.opacity(0.22))
     }
     .accessibilityElement(children: .combine)
@@ -282,7 +295,7 @@ public struct AIListCard<Footer: View>: View {
           Text(subtitle)
             .font(.caption)
             .foregroundStyle(AITheme.muted)
-            .lineLimit(1)
+            .lineLimit(2)
             .truncationMode(.middle)
             .frame(maxWidth: .infinity, alignment: .leading)
         }
@@ -318,12 +331,28 @@ public struct AILoadingCard: View {
     VStack(spacing: 10) {
       ProgressView()
         .controlSize(.regular)
+        .frame(width: 44, height: 44)
+        .background(AITheme.control)
+        .clipShape(Circle())
       Text(message)
         .font(.subheadline)
         .foregroundStyle(AITheme.muted)
     }
     .frame(maxWidth: .infinity)
-    .padding(.vertical, 18)
+    .padding(16)
+    .background(
+      LinearGradient(
+        colors: [AITheme.surfaceRaised, AITheme.surface],
+        startPoint: .top,
+        endPoint: .bottom
+      )
+    )
+    .clipShape(RoundedRectangle(cornerRadius: AITheme.cardRadius, style: .continuous))
+    .shadow(color: .black.opacity(0.07), radius: 18, x: 0, y: 8)
+    .overlay {
+      RoundedRectangle(cornerRadius: AITheme.cardRadius, style: .continuous)
+        .strokeBorder(AITheme.line)
+    }
     .accessibilityElement(children: .combine)
   }
 }
@@ -367,9 +396,10 @@ private struct AIEqualWidthLayout: Layout {
     }
 
     let equalWidth = max(0, (width - spacing * CGFloat(count - 1)) / CGFloat(count))
-    let height = subviews.map {
-      $0.sizeThatFits(ProposedViewSize(width: equalWidth, height: nil)).height
-    }.max() ?? 0
+    let height =
+      subviews.map {
+        $0.sizeThatFits(ProposedViewSize(width: equalWidth, height: nil)).height
+      }.max() ?? 0
 
     return CGSize(width: width, height: height)
   }
@@ -454,7 +484,7 @@ public struct AISegmentedControl<Value: Hashable>: View {
           selection = option.value
         } label: {
           Text(option.title)
-            .font(.subheadline.weight(isSelected ? .semibold : .medium))
+            .font(.body.weight(isSelected ? .semibold : .medium))
             .lineLimit(1)
             .minimumScaleFactor(0.75)
             .foregroundStyle(isSelected ? AITheme.onPrimary : AITheme.muted)
@@ -462,11 +492,18 @@ public struct AISegmentedControl<Value: Hashable>: View {
             .background {
               if isSelected {
                 RoundedRectangle(cornerRadius: 12, style: .continuous)
-                  .fill(AITheme.primary)
+                  .fill(
+                    LinearGradient(
+                      colors: [AITheme.primaryTop, AITheme.primaryBottom],
+                      startPoint: .top,
+                      endPoint: .bottom
+                    )
+                  )
               }
             }
         }
         .buttonStyle(.plain)
+        .contentShape(Rectangle())
         .accessibilityLabel(option.title)
         .accessibilityAddTraits(isSelected ? .isSelected : [])
       }
@@ -516,6 +553,7 @@ public struct AISearchField: View {
   public var body: some View {
     HStack(spacing: 6) {
       Image(systemName: "magnifyingglass")
+        .font(.system(size: 15, weight: .medium))
         .foregroundStyle(AITheme.muted)
         .accessibilityHidden(true)
       TextField(placeholder, text: $text)
@@ -627,7 +665,7 @@ public struct AIToolbarButton: View {
           .font(.system(size: 15, weight: .semibold))
       }
     }
-    .buttonStyle(AIButtonStyle(kind: kind, size: .toolbar))
+    .buttonStyle(AIButtonStyle(kind: kind, size: .toolbarInline))
     .accessibilityLabel(title)
   }
 }
diff --git a/apps/ios/Sources/MultiSimAdmin/Theme/AITheme.swift b/apps/ios/Sources/MultiSimAdmin/Theme/AITheme.swift
index 19c057f..51c9055 100644
--- a/apps/ios/Sources/MultiSimAdmin/Theme/AITheme.swift
+++ b/apps/ios/Sources/MultiSimAdmin/Theme/AITheme.swift
@@ -38,6 +38,8 @@ private enum AIPalette {
     static let line = color(light: rgba(227, 230, 234, 1), dark: rgba(255, 255, 255, 0.09))
     static let brand = color(light: rgba(13, 15, 18, 1), dark: rgba(8, 9, 11, 1))
     static let primary = color(light: rgba(17, 20, 25, 1), dark: rgba(220, 178, 111, 1))
+    static let primaryTop = color(light: rgba(43, 49, 58, 1), dark: rgba(240, 209, 154, 1))
+    static let primaryBottom = color(light: rgba(15, 18, 22, 1), dark: rgba(198, 154, 92, 1))
     static let onPrimary = color(light: rgba(255, 255, 255, 1), dark: rgba(12, 14, 17, 1))
     static let danger = color(light: rgba(190, 65, 57, 1), dark: rgba(242, 124, 113, 1))
     static let onDanger = color(light: rgba(255, 255, 255, 1), dark: rgba(22, 9, 8, 1))
@@ -56,6 +58,8 @@ private enum AIPalette {
     static let onPrimary = Color.white
     static let onDanger = Color.white
     static let primary = Color(red: 0.067, green: 0.078, blue: 0.098)
+    static let primaryTop = Color(red: 0.17, green: 0.19, blue: 0.23)
+    static let primaryBottom = Color(red: 0.06, green: 0.07, blue: 0.09)
     static let danger = Color(red: 0.745, green: 0.255, blue: 0.224)
     static let warning = Color(red: 0.667, green: 0.435, blue: 0.09)
     static let success = Color(red: 0.196, green: 0.588, blue: 0.396)
@@ -76,6 +80,8 @@ private enum AIPalette {
     static let onPrimary = color(255, 255, 255)
     static let onDanger = color(255, 255, 255)
     static let primary = color(17, 20, 25)
+    static let primaryTop = color(43, 49, 58)
+    static let primaryBottom = color(15, 18, 22)
     static let danger = color(190, 65, 57)
     static let warning = color(170, 111, 23)
     static let success = color(50, 150, 101)
@@ -93,6 +99,8 @@ public enum AITheme {
   public static let line = AIPalette.line
   public static let brand = AIPalette.brand
   public static let primary = AIPalette.primary
+  public static let primaryTop = AIPalette.primaryTop
+  public static let primaryBottom = AIPalette.primaryBottom
   public static let onPrimary = AIPalette.onPrimary
   public static let danger = AIPalette.danger
   public static let onDanger = AIPalette.onDanger