设置页面背景色为 f2f2f7

Note/Color+Hex.swift

@@ -0,0 +1,38 @@
+//
+//  Color+Hex.swift
+//  Note
+//
+//  Created by fish on 2026/7/12.
+//
+
+import SwiftUI
+
+extension Color {
+    init(hex: String) {
+        let trimmed = hex.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
+        var int: UInt64 = 0
+        Scanner(string: trimmed).scanHexInt64(&int)
+        let r, g, b: UInt64
+        switch trimmed.count {
+        case 6:
+            r = (int >> 16) & 0xFF
+            g = (int >> 8) & 0xFF
+            b = int & 0xFF
+        case 8:
+            r = (int >> 16) & 0xFF
+            g = (int >> 8) & 0xFF
+            b = int & 0xFF
+        default:
+            r = 0
+            g = 0
+            b = 0
+        }
+        self.init(
+            .sRGB,
+            red: Double(r) / 255,
+            green: Double(g) / 255,
+            blue: Double(b) / 255,
+            opacity: 1
+        )
+    }
+}

Note/FormatterView.swift

@@ -39,6 +39,7 @@ struct FormatterView: View {
             }
             .padding()
             .navigationTitle("文案格式化")
+            .background(Color(hex: "f2f2f7").ignoresSafeArea())
             .navigationDestination(item: $resultText) { text in
                 ResultView(formattedText: text)
             }

Note/ResultView.swift

@@ -37,6 +37,7 @@ struct ResultView: View {
         }
         .navigationTitle("格式化结果")
         .navigationBarTitleDisplayMode(.inline)
+        .background(Color(hex: "f2f2f7").ignoresSafeArea())
         .toolbar {
             ToolbarItem(placement: .topBarTrailing) {
                 Button("完成") {