新增: 星座运势+AI资讯+知识卡片+桌面设置窗口+秒显示开关

- 星座运势: 天聚数行API集成，5维进度条+幸运标签+今日概述
- AI资讯: 天聚数行API，图文布局5条展示，文件缓存2小时刷新
- 知识卡片: AI生成，关键字+提示词配置，30分钟刷新
- 桌面设置: 独立WebView2窗口，760x1350，含壁纸/布局/城市/颜色等配置
- 显示控制: 壁纸/时间/天气/星座/知识/AI资讯独立开关，秒显示开关
- 文件缓存: 星座运势+AI资讯缓存到本地，启动即显示上次数据
- initDone防抖: 防止设置窗口初始化触发卡片重载

wallpaper.go

@@ -78,9 +78,39 @@ func buildWallpaperHTML(cfg *Config) string {
 	if bg == "" {
 		bg = themeAurora
 	}
-	html := strings.Replace(overlayHTML, "{{BACKGROUND}}", bg, 1)
+	bgWrapped := fmt.Sprintf(`<div id="bg-layer">%s</div>`, bg)
+	if cfg.HideWallpaper {
+		bgWrapped = `<div id="bg-layer" style="display:none"></div>`
+	}
+	html := strings.Replace(overlayHTML, "{{BACKGROUND}}", bgWrapped, 1)
 	html = strings.Replace(html, "{{LAYOUT}}", string(cfg.Layout), 1)
 
+	var bodyClasses []string
+	if cfg.HideTime {
+		bodyClasses = append(bodyClasses, "hide-time")
+	}
+	if cfg.HideWeather {
+		bodyClasses = append(bodyClasses, "hide-weather")
+	}
+	if cfg.HideZodiac {
+		bodyClasses = append(bodyClasses, "hide-zodiac")
+	}
+	showSec := "false"
+	if cfg.ShowSeconds {
+		showSec = "true"
+	}
+	html = strings.Replace(html, "{{SHOW_SECONDS}}", showSec, 1)
+	if cfg.HideAINews {
+		bodyClasses = append(bodyClasses, "hide-ainews")
+	}
+	if cfg.HideKnowledge {
+		bodyClasses = append(bodyClasses, "hide-knowledge")
+	}
+	if len(bodyClasses) > 0 {
+		cls := strings.Join(bodyClasses, " ")
+		html = strings.Replace(html, `layout-`+string(cfg.Layout), `layout-`+string(cfg.Layout)+" "+cls, 1)
+	}
+
 	// 注入自定义文字
 	if cfg.WallpaperType == WPTheme && cfg.Theme == ThemeText && cfg.WallpaperText != "" {
 		escaped := strings.ReplaceAll(cfg.WallpaperText, `\`, `\\`)
@@ -133,3 +163,18 @@ func reloadWallpaper() {
 		go fetchAndPushWeather(city)
 	}()
 }
+
+func bingReloadImage() {
+	if wv == nil || wvHwnd == 0 {
+		return
+	}
+	p := getCurrentBingPath()
+	if p == "" {
+		return
+	}
+	src := imageToDataURI(p)
+	if src == "" {
+		return
+	}
+	evalJS(fmt.Sprintf(`var bg=document.querySelector('#bg-layer img'); if(bg) bg.src=%q;`, src))
+}