's'

constants/Colors.ts

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+const accent = '#5b9dff';
+
+export default {
+  light: {
+    text: '#0f172a',
+    background: '#f3f5fb',
+    tint: '#2563eb',
+    tabIconDefault: '#94a3b8',
+    tabIconSelected: '#2563eb',
+  },
+  dark: {
+    text: '#e8eaed',
+    background: '#14161c',
+    tint: accent,
+    tabIconDefault: '#64748b',
+    tabIconSelected: accent,
+  },
+};

constants/theme.ts

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+/** 与桌面端 App.css 深色主题对齐 */
+export const theme = {
+  bg: '#14161c',
+  bgCard: '#22262e',
+  bgElevated: '#282c36',
+  border: 'rgba(255,255,255,0.08)',
+  text: '#e8eaed',
+  muted: '#8b929e',
+  accent: '#5b9dff',
+  success: '#3dd68c',
+  danger: '#f56565',
+  warn: '#f6ad55',
+}