perf: Optimize font scaling

Author: isaced

V2exOS/Views/SettingsView.swift

@@ -28,7 +28,7 @@ struct AppearanceSettingsView: View {
 
     var body: some View {
         Form {
-            Slider(value: $SettingsConfig.fontSize, in: 10.0 ... 30.0) {
+            Slider(value: $SettingsConfig.fontSize, in: 14.0 ... 20.0, step: 2) {
                 Text("字体大小")
             }
         }

V2exOS/Views/TopicDetail/CommentListView.swift

@@ -68,7 +68,7 @@ struct CommentListView: View {
                                 Text(LocalizedStringKey(comment.content))
                                     .foregroundColor(.label)
 #if os(macOS)
-                                    .font(.system(size: settingsConfig.fontSize))
+                                    .font(.system(size: settingsConfig.fontSize - 1))
 #endif
                             }
                         }

V2exOS/Views/TopicList/TopicListCellView.swift

@@ -12,6 +12,7 @@ import V2exAPI
 struct TopicListCellView: View {
     @State var isMemberLoading = false
 
+    @EnvironmentObject private var settingsConfig: SettingsConfig
     @Environment(\.colorScheme) var colorScheme
 
     let topic: V2Topic
@@ -37,6 +38,7 @@ struct TopicListCellView: View {
             VStack(alignment: .leading, spacing: 6) {
                 Text(topic.title ?? "")
                     .lineLimit(2)
+                    .font(Font.system(size: settingsConfig.fontSize - 1))
 
                 HStack {
                     if let username = topic.member?.username ?? topic.lastReplyBy {