feat: Create a new GUI project based on Avalonia. (Powered by Claude)

2026-02-02 09:08:26 +00:00 · 2026-01-09 23:38:57 +08:00
parent 00e2118645
commit 1f7414ead3
46 changed files with 3225 additions and 0 deletions
--- a/src/ZonyLrcTools.Cli/Infrastructure/Localization/CliLocalizationService.cs
+++ b/src/ZonyLrcTools.Cli/Infrastructure/Localization/CliLocalizationService.cs
@@ -0,0 +1,37 @@
+using Microsoft.Extensions.Localization;
+using ZonyLrcTools.Common.Infrastructure.DependencyInject;
+
+namespace ZonyLrcTools.Cli.Infrastructure.Localization;
+
+/// <summary>
+/// Provides localization services for CLI commands and options.
+/// </summary>
+public interface ICliLocalizationService
+{
+    /// <summary>
+    /// Gets a localized string by key.
+    /// </summary>
+    string this[string key] { get; }
+}
+
+/// <summary>
+/// Implementation of CLI localization service.
+/// </summary>
+public class CliLocalizationService : ICliLocalizationService, ISingletonDependency
+{
+    private readonly IStringLocalizer<Cli.CommandStrings> _localizer;
+
+    public CliLocalizationService(IStringLocalizer<Cli.CommandStrings> localizer)
+    {
+        _localizer = localizer;
+    }
+
+    public string this[string key]
+    {
+        get
+        {
+            var value = _localizer[key];
+            return value.ResourceNotFound ? $"[{key}]" : value.Value;
+        }
+    }
+}
--- a/src/ZonyLrcTools.Cli/Resources/CommandStrings.cs
+++ b/src/ZonyLrcTools.Cli/Resources/CommandStrings.cs
@@ -0,0 +1,10 @@
+namespace ZonyLrcTools.Cli;
+
+/// <summary>
+/// Marker class for CLI command localization resources.
+/// This class is used by IStringLocalizer&lt;CommandStrings&gt; to locate the resource files.
+/// The namespace must be the root namespace so that IStringLocalizer looks for Resources/CommandStrings.resx
+/// </summary>
+public class CommandStrings
+{
+}
--- a/src/ZonyLrcTools.Cli/Resources/CommandStrings.en-US.resx
+++ b/src/ZonyLrcTools.Cli/Resources/CommandStrings.en-US.resx
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Main Program -->
+  <data name="Program_Description" xml:space="preserve">
+    <value>ZonyLrcTools - Lyrics download command-line tool</value>
+  </data>
+  <!-- Download Command -->
+  <data name="Download_Description" xml:space="preserve">
+    <value>Download lyrics or album covers</value>
+  </data>
+  <data name="Download_Dir_Description" xml:space="preserve">
+    <value>Specify the folder path containing music files</value>
+  </data>
+  <data name="Download_Lyrics_Description" xml:space="preserve">
+    <value>Download lyrics files</value>
+  </data>
+  <data name="Download_Album_Description" xml:space="preserve">
+    <value>Download album covers</value>
+  </data>
+  <data name="Download_CSV_Description" xml:space="preserve">
+    <value>Import song list from CSV file for download</value>
+  </data>
+  <data name="Download_SongList_Description" xml:space="preserve">
+    <value>Import song list from NetEase playlist ID for download</value>
+  </data>
+  <!-- Utility Command -->
+  <data name="Utility_Description" xml:space="preserve">
+    <value>Utility commands</value>
+  </data>
+  <data name="Utility_Convert_Description" xml:space="preserve">
+    <value>Convert encrypted music files to normal format</value>
+  </data>
+  <data name="Utility_Source_Description" xml:space="preserve">
+    <value>Specify the folder path to convert</value>
+  </data>
+  <!-- Search Command -->
+  <data name="Search_Description" xml:space="preserve">
+    <value>Search for lyrics</value>
+  </data>
+  <data name="Search_Name_Description" xml:space="preserve">
+    <value>Song name</value>
+  </data>
+  <data name="Search_Artist_Description" xml:space="preserve">
+    <value>Artist name</value>
+  </data>
+  <!-- Common Options -->
+  <data name="Option_Help" xml:space="preserve">
+    <value>Show help information</value>
+  </data>
+  <data name="Option_Version" xml:space="preserve">
+    <value>Show version information</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Cli/Resources/CommandStrings.resx
+++ b/src/ZonyLrcTools.Cli/Resources/CommandStrings.resx
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Main Program -->
+  <data name="Program_Description" xml:space="preserve">
+    <value>ZonyLrcTools - 歌词下载命令行工具</value>
+  </data>
+  <!-- Download Command -->
+  <data name="Download_Description" xml:space="preserve">
+    <value>下载歌词或专辑封面</value>
+  </data>
+  <data name="Download_Dir_Description" xml:space="preserve">
+    <value>指定音乐文件所在的文件夹路径</value>
+  </data>
+  <data name="Download_Lyrics_Description" xml:space="preserve">
+    <value>下载歌词文件</value>
+  </data>
+  <data name="Download_Album_Description" xml:space="preserve">
+    <value>下载专辑封面</value>
+  </data>
+  <data name="Download_CSV_Description" xml:space="preserve">
+    <value>从 CSV 文件导入歌曲列表进行下载</value>
+  </data>
+  <data name="Download_SongList_Description" xml:space="preserve">
+    <value>从网易云歌单 ID 导入歌曲列表进行下载</value>
+  </data>
+  <!-- Utility Command -->
+  <data name="Utility_Description" xml:space="preserve">
+    <value>工具类命令</value>
+  </data>
+  <data name="Utility_Convert_Description" xml:space="preserve">
+    <value>转换加密音乐文件为普通格式</value>
+  </data>
+  <data name="Utility_Source_Description" xml:space="preserve">
+    <value>指定需要转换的文件夹路径</value>
+  </data>
+  <!-- Search Command -->
+  <data name="Search_Description" xml:space="preserve">
+    <value>搜索歌词</value>
+  </data>
+  <data name="Search_Name_Description" xml:space="preserve">
+    <value>歌曲名称</value>
+  </data>
+  <data name="Search_Artist_Description" xml:space="preserve">
+    <value>艺术家名称</value>
+  </data>
+  <!-- Common Options -->
+  <data name="Option_Help" xml:space="preserve">
+    <value>显示帮助信息</value>
+  </data>
+  <data name="Option_Version" xml:space="preserve">
+    <value>显示版本信息</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Common/Infrastructure/Exceptions/IErrorCodeHelper.cs
+++ b/src/ZonyLrcTools.Common/Infrastructure/Exceptions/IErrorCodeHelper.cs
@@ -0,0 +1,21 @@
+namespace ZonyLrcTools.Common.Infrastructure.Exceptions;
+
+/// <summary>
+/// 错误码帮助类接口。
+/// </summary>
+public interface IErrorCodeHelper
+{
+    /// <summary>
+    /// 获取错误消息。
+    /// </summary>
+    /// <param name="errorCode">错误代码。</param>
+    /// <returns>对应的错误消息。</returns>
+    string GetMessage(int errorCode);
+
+    /// <summary>
+    /// 获取警告消息。
+    /// </summary>
+    /// <param name="warningCode">警告代码。</param>
+    /// <returns>对应的警告消息。</returns>
+    string GetWarningMessage(int warningCode);
+}
--- a/src/ZonyLrcTools.Common/Infrastructure/Localization/ILocalizationService.cs
+++ b/src/ZonyLrcTools.Common/Infrastructure/Localization/ILocalizationService.cs
@@ -0,0 +1,44 @@
+using System.Globalization;
+
+namespace ZonyLrcTools.Common.Infrastructure.Localization;
+
+/// <summary>
+/// Provides localization services for the application.
+/// </summary>
+public interface ILocalizationService
+{
+    /// <summary>
+    /// Gets a localized string by key.
+    /// </summary>
+    string this[string key] { get; }
+
+    /// <summary>
+    /// Gets a localized string by key with format arguments.
+    /// </summary>
+    string this[string key, params object[] args] { get; }
+
+    /// <summary>
+    /// Gets an error message by error code.
+    /// </summary>
+    string GetErrorMessage(int errorCode);
+
+    /// <summary>
+    /// Gets a warning message by warning code.
+    /// </summary>
+    string GetWarningMessage(int warningCode);
+
+    /// <summary>
+    /// Sets the current culture.
+    /// </summary>
+    void SetCulture(string cultureName);
+
+    /// <summary>
+    /// Gets the current culture name.
+    /// </summary>
+    string CurrentCulture { get; }
+
+    /// <summary>
+    /// Gets the list of supported cultures.
+    /// </summary>
+    IReadOnlyList<CultureInfo> SupportedCultures { get; }
+}
--- a/src/ZonyLrcTools.Common/Infrastructure/Localization/LocalizationService.cs
+++ b/src/ZonyLrcTools.Common/Infrastructure/Localization/LocalizationService.cs
@@ -0,0 +1,72 @@
+using System.Globalization;
+using Microsoft.Extensions.Localization;
+using ZonyLrcTools.Common.Infrastructure.DependencyInject;
+
+namespace ZonyLrcTools.Common.Infrastructure.Localization;
+
+/// <summary>
+/// Implementation of <see cref="ILocalizationService"/> using .NET localization.
+/// </summary>
+public class LocalizationService : ILocalizationService, ISingletonDependency
+{
+    private readonly IStringLocalizer<Common.Messages> _messagesLocalizer;
+    private readonly IStringLocalizer<Common.ErrorMessages> _errorLocalizer;
+
+    private static readonly CultureInfo[] _supportedCultures =
+    {
+        new("zh-CN"),
+        new("en-US")
+    };
+
+    public LocalizationService(
+        IStringLocalizer<Common.Messages> messagesLocalizer,
+        IStringLocalizer<Common.ErrorMessages> errorLocalizer)
+    {
+        _messagesLocalizer = messagesLocalizer;
+        _errorLocalizer = errorLocalizer;
+    }
+
+    public string this[string key]
+    {
+        get
+        {
+            var value = _messagesLocalizer[key];
+            return value.ResourceNotFound ? $"[{key}]" : value.Value;
+        }
+    }
+
+    public string this[string key, params object[] args]
+    {
+        get
+        {
+            var value = _messagesLocalizer[key];
+            if (value.ResourceNotFound) return $"[{key}]";
+            return string.Format(value.Value, args);
+        }
+    }
+
+    public string GetErrorMessage(int errorCode)
+    {
+        var key = $"Error_{errorCode}";
+        var value = _errorLocalizer[key];
+        return value.ResourceNotFound ? $"Unknown error: {errorCode}" : value.Value;
+    }
+
+    public string GetWarningMessage(int warningCode)
+    {
+        var key = $"Warning_{warningCode}";
+        var value = _errorLocalizer[key];
+        return value.ResourceNotFound ? $"Unknown warning: {warningCode}" : value.Value;
+    }
+
+    public string CurrentCulture => CultureInfo.CurrentUICulture.Name;
+
+    public IReadOnlyList<CultureInfo> SupportedCultures => _supportedCultures;
+
+    public void SetCulture(string cultureName)
+    {
+        var culture = new CultureInfo(cultureName);
+        CultureInfo.CurrentCulture = culture;
+        CultureInfo.CurrentUICulture = culture;
+    }
+}
--- a/src/ZonyLrcTools.Common/Resources/ErrorMessages.cs
+++ b/src/ZonyLrcTools.Common/Resources/ErrorMessages.cs
@@ -0,0 +1,10 @@
+namespace ZonyLrcTools.Common;
+
+/// <summary>
+/// Marker class for error message localization resources.
+/// This class is used by IStringLocalizer&lt;ErrorMessages&gt; to locate the resource files.
+/// The namespace must be the root namespace so that IStringLocalizer looks for Resources/ErrorMessages.resx
+/// </summary>
+public class ErrorMessages
+{
+}
--- a/src/ZonyLrcTools.Common/Resources/ErrorMessages.en-US.resx
+++ b/src/ZonyLrcTools.Common/Resources/ErrorMessages.en-US.resx
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Error Messages -->
+  <data name="Error_10001" xml:space="preserve">
+    <value>The file extension to search cannot be empty.</value>
+  </data>
+  <data name="Error_10002" xml:space="preserve">
+    <value>The directory to scan does not exist, please verify the path.</value>
+  </data>
+  <data name="Error_10003" xml:space="preserve">
+    <value>Unable to get the file extension information.</value>
+  </data>
+  <data name="Error_10004" xml:space="preserve">
+    <value>No music files were found.</value>
+  </data>
+  <data name="Error_10005" xml:space="preserve">
+    <value>The specified encoding is not supported, please check the configuration.</value>
+  </data>
+  <data name="Error_10006" xml:space="preserve">
+    <value>Unable to get the song list from NetEase Music.</value>
+  </data>
+  <!-- Warning Messages -->
+  <data name="Warning_50001" xml:space="preserve">
+    <value>An error occurred while scanning files.</value>
+  </data>
+  <data name="Warning_50002" xml:space="preserve">
+    <value>Both song name and artist name are empty, unable to search.</value>
+  </data>
+  <data name="Warning_50003" xml:space="preserve">
+    <value>Song name cannot be empty, unable to search.</value>
+  </data>
+  <data name="Warning_50004" xml:space="preserve">
+    <value>The downloader did not find the corresponding song information.</value>
+  </data>
+  <data name="Warning_50005" xml:space="preserve">
+    <value>The download request returned an invalid response, possibly a server error.</value>
+  </data>
+  <data name="Warning_50006" xml:space="preserve">
+    <value>Tag info reader is empty, unable to parse music tag information.</value>
+  </data>
+  <data name="Warning_50007" xml:space="preserve">
+    <value>TagLib tag reader encountered an unexpected exception.</value>
+  </data>
+  <data name="Warning_50008" xml:space="preserve">
+    <value>Service interface restricted, unable to make request, please try using a proxy server.</value>
+  </data>
+  <data name="Warning_50009" xml:space="preserve">
+    <value>HTTP request to target server failed.</value>
+  </data>
+  <data name="Warning_50010" xml:space="preserve">
+    <value>Failed to deserialize HTTP response to JSON.</value>
+  </data>
+  <data name="Warning_50011" xml:space="preserve">
+    <value>Currently only NCM format song conversion is supported.</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Common/Resources/ErrorMessages.resx
+++ b/src/ZonyLrcTools.Common/Resources/ErrorMessages.resx
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Error Messages -->
+  <data name="Error_10001" xml:space="preserve">
+    <value>待搜索的后缀不能为空。</value>
+  </data>
+  <data name="Error_10002" xml:space="preserve">
+    <value>需要扫描的目录不存在，请确认路径是否正确。</value>
+  </data>
+  <data name="Error_10003" xml:space="preserve">
+    <value>不能获取文件的后缀信息。</value>
+  </data>
+  <data name="Error_10004" xml:space="preserve">
+    <value>没有扫描到任何音乐文件。</value>
+  </data>
+  <data name="Error_10005" xml:space="preserve">
+    <value>指定的编码不受支持，请检查配置。</value>
+  </data>
+  <data name="Error_10006" xml:space="preserve">
+    <value>无法从网易云音乐获取歌曲列表。</value>
+  </data>
+  <!-- Warning Messages -->
+  <data name="Warning_50001" xml:space="preserve">
+    <value>扫描文件时出现了错误。</value>
+  </data>
+  <data name="Warning_50002" xml:space="preserve">
+    <value>歌曲名称或歌手名称均为空，无法进行搜索。</value>
+  </data>
+  <data name="Warning_50003" xml:space="preserve">
+    <value>歌曲名称不能为空，无法进行搜索。</value>
+  </data>
+  <data name="Warning_50004" xml:space="preserve">
+    <value>下载器没有搜索到对应的歌曲信息。</value>
+  </data>
+  <data name="Warning_50005" xml:space="preserve">
+    <value>下载请求的返回值不合法，可能是服务端故障。</value>
+  </data>
+  <data name="Warning_50006" xml:space="preserve">
+    <value>标签信息读取器为空，无法解析音乐 Tag 信息。</value>
+  </data>
+  <data name="Warning_50007" xml:space="preserve">
+    <value>TagLib 标签读取器出现了预期之外的异常。</value>
+  </data>
+  <data name="Warning_50008" xml:space="preserve">
+    <value>服务接口限制，无法进行请求，请尝试使用代理服务器。</value>
+  </data>
+  <data name="Warning_50009" xml:space="preserve">
+    <value>对目标服务器执行 HTTP 请求失败。</value>
+  </data>
+  <data name="Warning_50010" xml:space="preserve">
+    <value>HTTP 请求的结果反序列化为 JSON 失败。</value>
+  </data>
+  <data name="Warning_50011" xml:space="preserve">
+    <value>目前仅支持 NCM 格式的歌曲转换操作。</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Common/Resources/Messages.cs
+++ b/src/ZonyLrcTools.Common/Resources/Messages.cs
@@ -0,0 +1,10 @@
+namespace ZonyLrcTools.Common;
+
+/// <summary>
+/// Marker class for general message localization resources.
+/// This class is used by IStringLocalizer&lt;Messages&gt; to locate the resource files.
+/// The namespace must be the root namespace so that IStringLocalizer looks for Resources/Messages.resx
+/// </summary>
+public class Messages
+{
+}
--- a/src/ZonyLrcTools.Common/Resources/Messages.en-US.resx
+++ b/src/ZonyLrcTools.Common/Resources/Messages.en-US.resx
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Lyrics Download -->
+  <data name="Lyrics_DownloadStart" xml:space="preserve">
+    <value>Starting lyrics file download...</value>
+  </data>
+  <data name="Lyrics_DownloadComplete" xml:space="preserve">
+    <value>Lyrics download complete, success: {0} skipped (instrumental): {1} failed: {2}.</value>
+  </data>
+  <data name="Lyrics_SongDownloadSuccess" xml:space="preserve">
+    <value>Song: {0}, Artist: {1}, download successful.</value>
+  </data>
+  <data name="Lyrics_SongDownloadFailed" xml:space="preserve">
+    <value>Song: {0}, Artist: {1}, download failed.</value>
+  </data>
+  <!-- Album Download -->
+  <data name="Album_DownloadStart" xml:space="preserve">
+    <value>Starting album cover download...</value>
+  </data>
+  <data name="Album_DownloadComplete" xml:space="preserve">
+    <value>Album cover download complete, success: {0} failed: {1}.</value>
+  </data>
+  <!-- File Scanner -->
+  <data name="Scanner_Start" xml:space="preserve">
+    <value>Starting folder scan, please wait...</value>
+  </data>
+  <data name="Scanner_Complete" xml:space="preserve">
+    <value>Scan complete, {0} files found.</value>
+  </data>
+  <!-- General -->
+  <data name="General_Starting" xml:space="preserve">
+    <value>Starting...</value>
+  </data>
+  <data name="General_UnhandledException" xml:space="preserve">
+    <value>An unhandled exception occurred.</value>
+  </data>
+  <data name="General_ErrorCode" xml:space="preserve">
+    <value>Error code: {0}</value>
+  </data>
+  <data name="General_ErrorMessage" xml:space="preserve">
+    <value>Error message: {0}</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Common/Resources/Messages.resx
+++ b/src/ZonyLrcTools.Common/Resources/Messages.resx
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Lyrics Download -->
+  <data name="Lyrics_DownloadStart" xml:space="preserve">
+    <value>开始下载歌词文件数据...</value>
+  </data>
+  <data name="Lyrics_DownloadComplete" xml:space="preserve">
+    <value>歌词数据下载完成，成功: {0} 跳过(纯音乐): {1} 失败: {2}。</value>
+  </data>
+  <data name="Lyrics_SongDownloadSuccess" xml:space="preserve">
+    <value>歌曲名: {0}, 艺术家: {1}, 下载成功。</value>
+  </data>
+  <data name="Lyrics_SongDownloadFailed" xml:space="preserve">
+    <value>歌曲名: {0}, 艺术家: {1}, 下载失败。</value>
+  </data>
+  <!-- Album Download -->
+  <data name="Album_DownloadStart" xml:space="preserve">
+    <value>开始下载专辑封面...</value>
+  </data>
+  <data name="Album_DownloadComplete" xml:space="preserve">
+    <value>专辑封面下载完成，成功: {0} 失败: {1}。</value>
+  </data>
+  <!-- File Scanner -->
+  <data name="Scanner_Start" xml:space="preserve">
+    <value>开始扫描文件夹，请稍等...</value>
+  </data>
+  <data name="Scanner_Complete" xml:space="preserve">
+    <value>扫描完成，共 {0} 个文件。</value>
+  </data>
+  <!-- General -->
+  <data name="General_Starting" xml:space="preserve">
+    <value>正在启动...</value>
+  </data>
+  <data name="General_UnhandledException" xml:space="preserve">
+    <value>出现了未处理的异常。</value>
+  </data>
+  <data name="General_ErrorCode" xml:space="preserve">
+    <value>错误代码: {0}</value>
+  </data>
+  <data name="General_ErrorMessage" xml:space="preserve">
+    <value>错误信息: {0}</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Desktop/App.axaml
+++ b/src/ZonyLrcTools.Desktop/App.axaml
@@ -0,0 +1,33 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="ZonyLrcTools.Desktop.App"
+             RequestedThemeVariant="Default">
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.ThemeDictionaries>
+                <ResourceDictionary x:Key="Light">
+                    <SolidColorBrush x:Key="AppBackgroundBrush">#FFFFFF</SolidColorBrush>
+                    <SolidColorBrush x:Key="AppAccentBrush">#0078D4</SolidColorBrush>
+                    <SolidColorBrush x:Key="NavigationBackgroundBrush">#F3F3F3</SolidColorBrush>
+                    <SolidColorBrush x:Key="SuccessColorBrush">#107C10</SolidColorBrush>
+                    <SolidColorBrush x:Key="ErrorColorBrush">#D13438</SolidColorBrush>
+                    <SolidColorBrush x:Key="WarningColorBrush">#FFB900</SolidColorBrush>
+                </ResourceDictionary>
+                <ResourceDictionary x:Key="Dark">
+                    <SolidColorBrush x:Key="AppBackgroundBrush">#1F1F1F</SolidColorBrush>
+                    <SolidColorBrush x:Key="AppAccentBrush">#60CDFF</SolidColorBrush>
+                    <SolidColorBrush x:Key="NavigationBackgroundBrush">#2D2D2D</SolidColorBrush>
+                    <SolidColorBrush x:Key="SuccessColorBrush">#6CCB5F</SolidColorBrush>
+                    <SolidColorBrush x:Key="ErrorColorBrush">#FF99A4</SolidColorBrush>
+                    <SolidColorBrush x:Key="WarningColorBrush">#FCE100</SolidColorBrush>
+                </ResourceDictionary>
+            </ResourceDictionary.ThemeDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+
+</Application>
--- a/src/ZonyLrcTools.Desktop/App.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/App.axaml.cs
@@ -0,0 +1,47 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Data.Core.Plugins;
+using Avalonia.Markup.Xaml;
+using Microsoft.Extensions.DependencyInjection;
+using ZonyLrcTools.Desktop.Services;
+using ZonyLrcTools.Desktop.ViewModels;
+using ZonyLrcTools.Desktop.Views;
+
+namespace ZonyLrcTools.Desktop;
+
+public partial class App : Application
+{
+    public static ServiceProvider? Services { get; private set; }
+
+    public override void Initialize()
+    {
+        // Configure DI container BEFORE loading XAML
+        // This is required because LocalizeExtension needs App.Services during XAML loading
+        var services = new ServiceCollection();
+        services.AddDesktopServices();
+        Services = services.BuildServiceProvider();
+
+        // Initialize language settings before loading XAML
+        ServiceCollectionExtensions.InitializeLanguage();
+
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        // Avoid duplicate validations from both Avalonia and CommunityToolkit
+        BindingPlugins.DataValidators.RemoveAt(0);
+
+        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            var mainViewModel = Services!.GetRequiredService<MainWindowViewModel>();
+
+            desktop.MainWindow = new MainWindow
+            {
+                DataContext = mainViewModel
+            };
+        }
+
+        base.OnFrameworkInitializationCompleted();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Infrastructure/Localization/LocalizeExtension.cs
+++ b/src/ZonyLrcTools.Desktop/Infrastructure/Localization/LocalizeExtension.cs
@@ -0,0 +1,142 @@
+using Avalonia.Data;
+using Avalonia.Markup.Xaml;
+using Avalonia.Markup.Xaml.MarkupExtensions;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Localization;
+
+namespace ZonyLrcTools.Desktop.Infrastructure.Localization;
+
+/// <summary>
+/// Avalonia markup extension for localization.
+/// Usage: Text="{loc:Localize Key=Nav_Home}"
+/// </summary>
+public class LocalizeExtension : MarkupExtension
+{
+    public LocalizeExtension()
+    {
+    }
+
+    public LocalizeExtension(string key)
+    {
+        Key = key;
+    }
+
+    /// <summary>
+    /// The resource key to look up.
+    /// </summary>
+    public string? Key { get; set; }
+
+    /// <summary>
+    /// Default value if the key is not found.
+    /// </summary>
+    public string? Default { get; set; }
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        if (string.IsNullOrEmpty(Key))
+        {
+            return Default ?? "[NO_KEY]";
+        }
+
+        var localizer = App.Services?.GetService<IStringLocalizer<Desktop.UIStrings>>();
+        if (localizer == null)
+        {
+            return Default ?? $"[{Key}]";
+        }
+
+        var localizedValue = localizer[Key];
+        if (localizedValue.ResourceNotFound)
+        {
+            return Default ?? $"[{Key}]";
+        }
+
+        return localizedValue.Value;
+    }
+}
+
+/// <summary>
+/// UI localization service for dynamic language switching.
+/// </summary>
+public interface IUILocalizationService
+{
+    /// <summary>
+    /// Gets a localized string by key.
+    /// </summary>
+    string this[string key] { get; }
+
+    /// <summary>
+    /// Gets a localized string by key with format arguments.
+    /// </summary>
+    string this[string key, params object[] args] { get; }
+
+    /// <summary>
+    /// Gets the current culture name.
+    /// </summary>
+    string CurrentCulture { get; }
+
+    /// <summary>
+    /// Changes the current UI language.
+    /// </summary>
+    void SetLanguage(string cultureName);
+
+    /// <summary>
+    /// Gets whether the language follows system settings.
+    /// </summary>
+    bool FollowSystem { get; set; }
+
+    /// <summary>
+    /// Event raised when the language changes.
+    /// </summary>
+    event EventHandler? LanguageChanged;
+}
+
+/// <summary>
+/// Implementation of UI localization service.
+/// </summary>
+public class UILocalizationService : IUILocalizationService
+{
+    private readonly IStringLocalizer<Desktop.UIStrings> _localizer;
+    private bool _followSystem = true;
+
+    public UILocalizationService(IStringLocalizer<Desktop.UIStrings> localizer)
+    {
+        _localizer = localizer;
+    }
+
+    public string this[string key]
+    {
+        get
+        {
+            var value = _localizer[key];
+            return value.ResourceNotFound ? $"[{key}]" : value.Value;
+        }
+    }
+
+    public string this[string key, params object[] args]
+    {
+        get
+        {
+            var value = _localizer[key];
+            if (value.ResourceNotFound) return $"[{key}]";
+            return string.Format(value.Value, args);
+        }
+    }
+
+    public string CurrentCulture => System.Globalization.CultureInfo.CurrentUICulture.Name;
+
+    public bool FollowSystem
+    {
+        get => _followSystem;
+        set => _followSystem = value;
+    }
+
+    public event EventHandler? LanguageChanged;
+
+    public void SetLanguage(string cultureName)
+    {
+        var culture = new System.Globalization.CultureInfo(cultureName);
+        System.Globalization.CultureInfo.CurrentCulture = culture;
+        System.Globalization.CultureInfo.CurrentUICulture = culture;
+        LanguageChanged?.Invoke(this, EventArgs.Empty);
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Program.cs
+++ b/src/ZonyLrcTools.Desktop/Program.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Text;
+using Avalonia;
+
+namespace ZonyLrcTools.Desktop;
+
+internal static class Program
+{
+    [STAThread]
+    public static void Main(string[] args)
+    {
+        Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
+        BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+    }
+
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
+}
--- a/src/ZonyLrcTools.Desktop/Resources/UIStrings.cs
+++ b/src/ZonyLrcTools.Desktop/Resources/UIStrings.cs
@@ -0,0 +1,10 @@
+namespace ZonyLrcTools.Desktop;
+
+/// <summary>
+/// Marker class for UI localization resources.
+/// This class is used by IStringLocalizer&lt;UIStrings&gt; to locate the resource files.
+/// The namespace must be the root namespace so that IStringLocalizer looks for Resources/UIStrings.resx
+/// </summary>
+public class UIStrings
+{
+}
--- a/src/ZonyLrcTools.Desktop/Resources/UIStrings.en-US.resx
+++ b/src/ZonyLrcTools.Desktop/Resources/UIStrings.en-US.resx
@@ -0,0 +1,245 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Navigation -->
+  <data name="Nav_Home" xml:space="preserve">
+    <value>Home</value>
+  </data>
+  <data name="Nav_LyricsDownload" xml:space="preserve">
+    <value>Lyrics Download</value>
+  </data>
+  <data name="Nav_AlbumDownload" xml:space="preserve">
+    <value>Album Cover</value>
+  </data>
+  <data name="Nav_Settings" xml:space="preserve">
+    <value>Settings</value>
+  </data>
+  <!-- Home Page -->
+  <data name="Home_Welcome" xml:space="preserve">
+    <value>Welcome to ZonyLrcTools</value>
+  </data>
+  <data name="Home_Description" xml:space="preserve">
+    <value>An open-source lyrics download tool</value>
+  </data>
+  <data name="Home_QuickStart" xml:space="preserve">
+    <value>Quick Start</value>
+  </data>
+  <data name="Home_DownloadLyrics" xml:space="preserve">
+    <value>Download Lyrics</value>
+  </data>
+  <data name="Home_DownloadAlbumCover" xml:space="preserve">
+    <value>Download Album Covers</value>
+  </data>
+  <!-- Lyrics Download Page -->
+  <data name="Lyrics_Title" xml:space="preserve">
+    <value>Lyrics Download</value>
+  </data>
+  <data name="Lyrics_Description" xml:space="preserve">
+    <value>Batch download lyrics for your music files</value>
+  </data>
+  <data name="Lyrics_SelectFolder" xml:space="preserve">
+    <value>Select music folder...</value>
+  </data>
+  <data name="Lyrics_Browse" xml:space="preserve">
+    <value>Browse...</value>
+  </data>
+  <data name="Lyrics_Parallel" xml:space="preserve">
+    <value>Parallel:</value>
+  </data>
+  <data name="Lyrics_StartDownload" xml:space="preserve">
+    <value>Start Download</value>
+  </data>
+  <data name="Lyrics_StopDownload" xml:space="preserve">
+    <value>Stop Download</value>
+  </data>
+  <data name="Lyrics_Progress" xml:space="preserve">
+    <value>Download Progress</value>
+  </data>
+  <data name="Lyrics_Status_Idle" xml:space="preserve">
+    <value>Idle</value>
+  </data>
+  <data name="Lyrics_Status_Scanning" xml:space="preserve">
+    <value>Scanning files...</value>
+  </data>
+  <data name="Lyrics_Status_Downloading" xml:space="preserve">
+    <value>Downloading lyrics...</value>
+  </data>
+  <data name="Lyrics_Status_Complete" xml:space="preserve">
+    <value>Download Complete</value>
+  </data>
+  <data name="Common_Total" xml:space="preserve">
+    <value>Total:</value>
+  </data>
+  <data name="Common_Files" xml:space="preserve">
+    <value>files</value>
+  </data>
+  <data name="Common_Success" xml:space="preserve">
+    <value>Success:</value>
+  </data>
+  <data name="Common_Failed" xml:space="preserve">
+    <value>Failed:</value>
+  </data>
+  <!-- Album Download Page -->
+  <data name="Album_Title" xml:space="preserve">
+    <value>Album Cover Download</value>
+  </data>
+  <data name="Album_Description" xml:space="preserve">
+    <value>Download album artwork for your music collection</value>
+  </data>
+  <data name="Album_SelectFolder" xml:space="preserve">
+    <value>Select music folder...</value>
+  </data>
+  <data name="Album_Browse" xml:space="preserve">
+    <value>Browse...</value>
+  </data>
+  <data name="Album_Parallel" xml:space="preserve">
+    <value>Parallel:</value>
+  </data>
+  <data name="Album_StartDownload" xml:space="preserve">
+    <value>Start Download</value>
+  </data>
+  <data name="Album_StopDownload" xml:space="preserve">
+    <value>Stop Download</value>
+  </data>
+  <!-- Settings Page -->
+  <data name="Settings_Title" xml:space="preserve">
+    <value>Settings</value>
+  </data>
+  <data name="Settings_Language" xml:space="preserve">
+    <value>Language</value>
+  </data>
+  <data name="Settings_FollowSystem" xml:space="preserve">
+    <value>Follow System</value>
+  </data>
+  <data name="Settings_Chinese" xml:space="preserve">
+    <value>Simplified Chinese</value>
+  </data>
+  <data name="Settings_English" xml:space="preserve">
+    <value>English</value>
+  </data>
+  <data name="Settings_Theme" xml:space="preserve">
+    <value>Theme</value>
+  </data>
+  <data name="Settings_ThemeLight" xml:space="preserve">
+    <value>Light</value>
+  </data>
+  <data name="Settings_ThemeDark" xml:space="preserve">
+    <value>Dark</value>
+  </data>
+  <data name="Settings_ThemeSystem" xml:space="preserve">
+    <value>Follow System</value>
+  </data>
+  <data name="Settings_LyricsProvider" xml:space="preserve">
+    <value>Lyrics Provider</value>
+  </data>
+  <data name="Settings_Proxy" xml:space="preserve">
+    <value>Proxy Settings</value>
+  </data>
+  <data name="Settings_ProxyEnable" xml:space="preserve">
+    <value>Enable Proxy</value>
+  </data>
+  <data name="Settings_ProxyAddress" xml:space="preserve">
+    <value>Proxy Address</value>
+  </data>
+  <data name="Settings_ProxyPort" xml:space="preserve">
+    <value>Proxy Port</value>
+  </data>
+  <data name="Settings_Save" xml:space="preserve">
+    <value>Save Settings</value>
+  </data>
+  <data name="Settings_Reset" xml:space="preserve">
+    <value>Reset</value>
+  </data>
+  <!-- DataGrid Columns -->
+  <data name="Column_SongName" xml:space="preserve">
+    <value>Song Name</value>
+  </data>
+  <data name="Column_Artist" xml:space="preserve">
+    <value>Artist</value>
+  </data>
+  <data name="Column_Album" xml:space="preserve">
+    <value>Album</value>
+  </data>
+  <data name="Column_Status" xml:space="preserve">
+    <value>Status</value>
+  </data>
+  <data name="Column_FilePath" xml:space="preserve">
+    <value>File Path</value>
+  </data>
+  <!-- Status Messages -->
+  <data name="Status_Success" xml:space="preserve">
+    <value>Success</value>
+  </data>
+  <data name="Status_Failed" xml:space="preserve">
+    <value>Failed</value>
+  </data>
+  <data name="Status_Skipped" xml:space="preserve">
+    <value>Skipped</value>
+  </data>
+  <data name="Status_Pending" xml:space="preserve">
+    <value>Pending</value>
+  </data>
+  <data name="Status_Processing" xml:space="preserve">
+    <value>Processing</value>
+  </data>
+  <!-- Common -->
+  <data name="Common_OK" xml:space="preserve">
+    <value>OK</value>
+  </data>
+  <data name="Common_Cancel" xml:space="preserve">
+    <value>Cancel</value>
+  </data>
+  <data name="Common_Yes" xml:space="preserve">
+    <value>Yes</value>
+  </data>
+  <data name="Common_No" xml:space="preserve">
+    <value>No</value>
+  </data>
+  <data name="Common_Error" xml:space="preserve">
+    <value>Error</value>
+  </data>
+  <data name="Common_Warning" xml:space="preserve">
+    <value>Warning</value>
+  </data>
+  <data name="Common_Info" xml:space="preserve">
+    <value>Info</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Desktop/Resources/UIStrings.resx
+++ b/src/ZonyLrcTools.Desktop/Resources/UIStrings.resx
@@ -0,0 +1,245 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- Navigation -->
+  <data name="Nav_Home" xml:space="preserve">
+    <value>首页</value>
+  </data>
+  <data name="Nav_LyricsDownload" xml:space="preserve">
+    <value>歌词下载</value>
+  </data>
+  <data name="Nav_AlbumDownload" xml:space="preserve">
+    <value>专辑封面</value>
+  </data>
+  <data name="Nav_Settings" xml:space="preserve">
+    <value>设置</value>
+  </data>
+  <!-- Home Page -->
+  <data name="Home_Welcome" xml:space="preserve">
+    <value>欢迎使用 ZonyLrcTools</value>
+  </data>
+  <data name="Home_Description" xml:space="preserve">
+    <value>一款开源的歌词下载工具</value>
+  </data>
+  <data name="Home_QuickStart" xml:space="preserve">
+    <value>快速开始</value>
+  </data>
+  <data name="Home_DownloadLyrics" xml:space="preserve">
+    <value>下载歌词</value>
+  </data>
+  <data name="Home_DownloadAlbumCover" xml:space="preserve">
+    <value>下载专辑封面</value>
+  </data>
+  <!-- Lyrics Download Page -->
+  <data name="Lyrics_Title" xml:space="preserve">
+    <value>歌词下载</value>
+  </data>
+  <data name="Lyrics_Description" xml:space="preserve">
+    <value>批量下载音乐文件的歌词</value>
+  </data>
+  <data name="Lyrics_SelectFolder" xml:space="preserve">
+    <value>选择音乐文件夹...</value>
+  </data>
+  <data name="Lyrics_Browse" xml:space="preserve">
+    <value>浏览...</value>
+  </data>
+  <data name="Lyrics_Parallel" xml:space="preserve">
+    <value>并行:</value>
+  </data>
+  <data name="Lyrics_StartDownload" xml:space="preserve">
+    <value>开始下载</value>
+  </data>
+  <data name="Lyrics_StopDownload" xml:space="preserve">
+    <value>停止下载</value>
+  </data>
+  <data name="Lyrics_Progress" xml:space="preserve">
+    <value>下载进度</value>
+  </data>
+  <data name="Lyrics_Status_Idle" xml:space="preserve">
+    <value>等待中</value>
+  </data>
+  <data name="Lyrics_Status_Scanning" xml:space="preserve">
+    <value>正在扫描文件...</value>
+  </data>
+  <data name="Lyrics_Status_Downloading" xml:space="preserve">
+    <value>正在下载歌词...</value>
+  </data>
+  <data name="Lyrics_Status_Complete" xml:space="preserve">
+    <value>下载完成</value>
+  </data>
+  <data name="Common_Total" xml:space="preserve">
+    <value>总计:</value>
+  </data>
+  <data name="Common_Files" xml:space="preserve">
+    <value>个文件</value>
+  </data>
+  <data name="Common_Success" xml:space="preserve">
+    <value>成功:</value>
+  </data>
+  <data name="Common_Failed" xml:space="preserve">
+    <value>失败:</value>
+  </data>
+  <!-- Album Download Page -->
+  <data name="Album_Title" xml:space="preserve">
+    <value>专辑封面下载</value>
+  </data>
+  <data name="Album_Description" xml:space="preserve">
+    <value>批量下载音乐文件的专辑封面</value>
+  </data>
+  <data name="Album_SelectFolder" xml:space="preserve">
+    <value>选择音乐文件夹...</value>
+  </data>
+  <data name="Album_Browse" xml:space="preserve">
+    <value>浏览...</value>
+  </data>
+  <data name="Album_Parallel" xml:space="preserve">
+    <value>并行:</value>
+  </data>
+  <data name="Album_StartDownload" xml:space="preserve">
+    <value>开始下载</value>
+  </data>
+  <data name="Album_StopDownload" xml:space="preserve">
+    <value>停止下载</value>
+  </data>
+  <!-- Settings Page -->
+  <data name="Settings_Title" xml:space="preserve">
+    <value>设置</value>
+  </data>
+  <data name="Settings_Language" xml:space="preserve">
+    <value>语言</value>
+  </data>
+  <data name="Settings_FollowSystem" xml:space="preserve">
+    <value>跟随系统</value>
+  </data>
+  <data name="Settings_Chinese" xml:space="preserve">
+    <value>简体中文</value>
+  </data>
+  <data name="Settings_English" xml:space="preserve">
+    <value>English</value>
+  </data>
+  <data name="Settings_Theme" xml:space="preserve">
+    <value>主题</value>
+  </data>
+  <data name="Settings_ThemeLight" xml:space="preserve">
+    <value>浅色</value>
+  </data>
+  <data name="Settings_ThemeDark" xml:space="preserve">
+    <value>深色</value>
+  </data>
+  <data name="Settings_ThemeSystem" xml:space="preserve">
+    <value>跟随系统</value>
+  </data>
+  <data name="Settings_LyricsProvider" xml:space="preserve">
+    <value>歌词源</value>
+  </data>
+  <data name="Settings_Proxy" xml:space="preserve">
+    <value>代理设置</value>
+  </data>
+  <data name="Settings_ProxyEnable" xml:space="preserve">
+    <value>启用代理</value>
+  </data>
+  <data name="Settings_ProxyAddress" xml:space="preserve">
+    <value>代理地址</value>
+  </data>
+  <data name="Settings_ProxyPort" xml:space="preserve">
+    <value>代理端口</value>
+  </data>
+  <data name="Settings_Save" xml:space="preserve">
+    <value>保存设置</value>
+  </data>
+  <data name="Settings_Reset" xml:space="preserve">
+    <value>重置</value>
+  </data>
+  <!-- DataGrid Columns -->
+  <data name="Column_SongName" xml:space="preserve">
+    <value>歌曲名</value>
+  </data>
+  <data name="Column_Artist" xml:space="preserve">
+    <value>艺术家</value>
+  </data>
+  <data name="Column_Album" xml:space="preserve">
+    <value>专辑</value>
+  </data>
+  <data name="Column_Status" xml:space="preserve">
+    <value>状态</value>
+  </data>
+  <data name="Column_FilePath" xml:space="preserve">
+    <value>文件路径</value>
+  </data>
+  <!-- Status Messages -->
+  <data name="Status_Success" xml:space="preserve">
+    <value>成功</value>
+  </data>
+  <data name="Status_Failed" xml:space="preserve">
+    <value>失败</value>
+  </data>
+  <data name="Status_Skipped" xml:space="preserve">
+    <value>已跳过</value>
+  </data>
+  <data name="Status_Pending" xml:space="preserve">
+    <value>等待中</value>
+  </data>
+  <data name="Status_Processing" xml:space="preserve">
+    <value>处理中</value>
+  </data>
+  <!-- Common -->
+  <data name="Common_OK" xml:space="preserve">
+    <value>确定</value>
+  </data>
+  <data name="Common_Cancel" xml:space="preserve">
+    <value>取消</value>
+  </data>
+  <data name="Common_Yes" xml:space="preserve">
+    <value>是</value>
+  </data>
+  <data name="Common_No" xml:space="preserve">
+    <value>否</value>
+  </data>
+  <data name="Common_Error" xml:space="preserve">
+    <value>错误</value>
+  </data>
+  <data name="Common_Warning" xml:space="preserve">
+    <value>警告</value>
+  </data>
+  <data name="Common_Info" xml:space="preserve">
+    <value>提示</value>
+  </data>
+</root>
--- a/src/ZonyLrcTools.Desktop/Services/AvaloniaWarpLogger.cs
+++ b/src/ZonyLrcTools.Desktop/Services/AvaloniaWarpLogger.cs
@@ -0,0 +1,67 @@
+using System.Collections.ObjectModel;
+using Avalonia.Threading;
+using ZonyLrcTools.Common.Infrastructure.Logging;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+/// <summary>
+/// Avalonia implementation of IWarpLogger that supports UI binding.
+/// </summary>
+public class AvaloniaWarpLogger : IWarpLogger
+{
+    private const int MaxLogEntries = 1000;
+
+    public ObservableCollection<LogEntry> LogEntries { get; } = new();
+
+    public event EventHandler<LogEntry>? LogAdded;
+
+    public Task DebugAsync(string message, Exception? exception = null)
+    {
+        return AddLogAsync(LogLevel.Debug, message, exception);
+    }
+
+    public Task InfoAsync(string message, Exception? exception = null)
+    {
+        return AddLogAsync(LogLevel.Info, message, exception);
+    }
+
+    public Task WarnAsync(string message, Exception? exception = null)
+    {
+        return AddLogAsync(LogLevel.Warning, message, exception);
+    }
+
+    public Task ErrorAsync(string message, Exception? exception = null)
+    {
+        return AddLogAsync(LogLevel.Error, message, exception);
+    }
+
+    private async Task AddLogAsync(LogLevel level, string message, Exception? exception)
+    {
+        var entry = new LogEntry(level, message, exception);
+
+        await Dispatcher.UIThread.InvokeAsync(() =>
+        {
+            LogEntries.Add(entry);
+
+            while (LogEntries.Count > MaxLogEntries)
+            {
+                LogEntries.RemoveAt(0);
+            }
+
+            LogAdded?.Invoke(this, entry);
+        });
+    }
+}
+
+public record LogEntry(LogLevel Level, string Message, Exception? Exception)
+{
+    public DateTime Timestamp { get; } = DateTime.Now;
+}
+
+public enum LogLevel
+{
+    Debug,
+    Info,
+    Warning,
+    Error
+}
--- a/src/ZonyLrcTools.Desktop/Services/DialogService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/DialogService.cs
@@ -0,0 +1,60 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Platform.Storage;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public class DialogService : IDialogService
+{
+    private Window? MainWindow =>
+        (Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime)?
+        .MainWindow;
+
+    public async Task<string?> ShowFolderPickerAsync(string title)
+    {
+        if (MainWindow == null) return null;
+
+        var folders = await MainWindow.StorageProvider.OpenFolderPickerAsync(
+            new FolderPickerOpenOptions
+            {
+                Title = title,
+                AllowMultiple = false
+            });
+
+        return folders.FirstOrDefault()?.Path.LocalPath;
+    }
+
+    public async Task<string?> ShowFilePickerAsync(string title, string[]? filters = null)
+    {
+        if (MainWindow == null) return null;
+
+        var fileTypes = filters?.Select(f => new FilePickerFileType(f)
+        {
+            Patterns = new[] { f }
+        }).ToList();
+
+        var files = await MainWindow.StorageProvider.OpenFilePickerAsync(
+            new FilePickerOpenOptions
+            {
+                Title = title,
+                AllowMultiple = false,
+                FileTypeFilter = fileTypes
+            });
+
+        return files.FirstOrDefault()?.Path.LocalPath;
+    }
+
+    public async Task<bool> ShowConfirmDialogAsync(string title, string message)
+    {
+        // TODO: Implement custom confirm dialog
+        await Task.CompletedTask;
+        return true;
+    }
+
+    public async Task ShowMessageAsync(string title, string message)
+    {
+        // TODO: Implement custom message dialog
+        await Task.CompletedTask;
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Services/IDialogService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/IDialogService.cs
@@ -0,0 +1,9 @@
+namespace ZonyLrcTools.Desktop.Services;
+
+public interface IDialogService
+{
+    Task<string?> ShowFolderPickerAsync(string title);
+    Task<string?> ShowFilePickerAsync(string title, string[]? filters = null);
+    Task<bool> ShowConfirmDialogAsync(string title, string message);
+    Task ShowMessageAsync(string title, string message);
+}
--- a/src/ZonyLrcTools.Desktop/Services/INavigationService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/INavigationService.cs
@@ -0,0 +1,13 @@
+using ZonyLrcTools.Desktop.ViewModels;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public interface INavigationService
+{
+    ViewModelBase? CurrentViewModel { get; }
+    event EventHandler<ViewModelBase>? NavigationChanged;
+
+    TViewModel NavigateTo<TViewModel>() where TViewModel : ViewModelBase;
+    void GoBack();
+    bool CanGoBack { get; }
+}
--- a/src/ZonyLrcTools.Desktop/Services/IThemeService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/IThemeService.cs
@@ -0,0 +1,12 @@
+using Avalonia.Styling;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public interface IThemeService
+{
+    ThemeVariant CurrentTheme { get; }
+    event EventHandler<ThemeVariant>? ThemeChanged;
+
+    void SetTheme(ThemeVariant theme);
+    void ToggleTheme();
+}
--- a/src/ZonyLrcTools.Desktop/Services/NavigationService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/NavigationService.cs
@@ -0,0 +1,50 @@
+using Microsoft.Extensions.DependencyInjection;
+using ZonyLrcTools.Desktop.ViewModels;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public class NavigationService : INavigationService
+{
+    private readonly IServiceProvider _serviceProvider;
+    private readonly Stack<ViewModelBase> _navigationStack = new();
+
+    public ViewModelBase? CurrentViewModel => _navigationStack.TryPeek(out var vm) ? vm : null;
+    public bool CanGoBack => _navigationStack.Count > 1;
+
+    public event EventHandler<ViewModelBase>? NavigationChanged;
+
+    public NavigationService(IServiceProvider serviceProvider)
+    {
+        _serviceProvider = serviceProvider;
+    }
+
+    public TViewModel NavigateTo<TViewModel>() where TViewModel : ViewModelBase
+    {
+        var viewModel = _serviceProvider.GetRequiredService<TViewModel>();
+
+        if (_navigationStack.TryPeek(out var current))
+        {
+            _ = current.OnDeactivatedAsync();
+        }
+
+        _navigationStack.Push(viewModel);
+        _ = viewModel.OnActivatedAsync();
+
+        NavigationChanged?.Invoke(this, viewModel);
+        return viewModel;
+    }
+
+    public void GoBack()
+    {
+        if (!CanGoBack) return;
+
+        var current = _navigationStack.Pop();
+        _ = current.OnDeactivatedAsync();
+
+        if (_navigationStack.TryPeek(out var previous))
+        {
+            _ = previous.OnActivatedAsync();
+            NavigationChanged?.Invoke(this, previous);
+        }
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Services/ServiceCollectionExtensions.cs
+++ b/src/ZonyLrcTools.Desktop/Services/ServiceCollectionExtensions.cs
@@ -0,0 +1,76 @@
+using System.Globalization;
+using Microsoft.Extensions.DependencyInjection;
+using ZonyLrcTools.Common.Infrastructure.DependencyInject;
+using ZonyLrcTools.Common.Infrastructure.Logging;
+using ZonyLrcTools.Common.Infrastructure.Network;
+using ZonyLrcTools.Desktop.Infrastructure.Localization;
+using ZonyLrcTools.Desktop.ViewModels;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public static class ServiceCollectionExtensions
+{
+    /// <summary>
+    /// Register all services for the desktop application.
+    /// </summary>
+    public static IServiceCollection AddDesktopServices(this IServiceCollection services)
+    {
+        // Register Common project's auto dependency injection
+        services.BeginAutoDependencyInject<AvaloniaWarpLogger>();
+        services.BeginAutoDependencyInject<IWarpHttpClient>();
+
+        // Configure Common services
+        services.ConfigureConfiguration();
+        services.ConfigureLocalization();
+        services.ConfigureToolService();
+
+        // Configure Desktop localization
+        // Note: Don't set ResourcesPath here because the embedded resource name is
+        // ZonyLrcTools.Desktop.UIStrings (not ZonyLrcTools.Desktop.Resources.UIStrings)
+        services.AddLocalization();
+        services.AddSingleton<IUILocalizationService, UILocalizationService>();
+
+        // Register GUI-specific IWarpLogger implementation
+        services.AddSingleton<AvaloniaWarpLogger>();
+        services.AddSingleton<IWarpLogger>(sp => sp.GetRequiredService<AvaloniaWarpLogger>());
+
+        // Register navigation and dialog services
+        services.AddSingleton<INavigationService, NavigationService>();
+        services.AddSingleton<IDialogService, DialogService>();
+        services.AddSingleton<IThemeService, ThemeService>();
+
+        // Register ViewModels
+        services.AddTransient<MainWindowViewModel>();
+        services.AddTransient<HomeViewModel>();
+        services.AddTransient<LyricsDownloadViewModel>();
+        services.AddTransient<AlbumDownloadViewModel>();
+        services.AddTransient<SettingsViewModel>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// Initialize language settings based on system culture or user preference.
+    /// </summary>
+    public static void InitializeLanguage(string? preferredCulture = null)
+    {
+        CultureInfo culture;
+
+        if (!string.IsNullOrEmpty(preferredCulture))
+        {
+            // Use user's preferred culture
+            culture = new CultureInfo(preferredCulture);
+        }
+        else
+        {
+            // Use system culture, fallback to zh-CN if not supported
+            var systemCulture = CultureInfo.CurrentUICulture.Name;
+            culture = systemCulture.StartsWith("zh") ? new CultureInfo("zh-CN") :
+                      systemCulture.StartsWith("en") ? new CultureInfo("en-US") :
+                      new CultureInfo("zh-CN");
+        }
+
+        CultureInfo.CurrentCulture = culture;
+        CultureInfo.CurrentUICulture = culture;
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Services/ThemeService.cs
+++ b/src/ZonyLrcTools.Desktop/Services/ThemeService.cs
@@ -0,0 +1,28 @@
+using Avalonia;
+using Avalonia.Styling;
+
+namespace ZonyLrcTools.Desktop.Services;
+
+public class ThemeService : IThemeService
+{
+    public ThemeVariant CurrentTheme => Application.Current?.ActualThemeVariant ?? ThemeVariant.Default;
+
+    public event EventHandler<ThemeVariant>? ThemeChanged;
+
+    public void SetTheme(ThemeVariant theme)
+    {
+        if (Application.Current == null) return;
+
+        Application.Current.RequestedThemeVariant = theme;
+        ThemeChanged?.Invoke(this, theme);
+    }
+
+    public void ToggleTheme()
+    {
+        var newTheme = CurrentTheme == ThemeVariant.Dark
+            ? ThemeVariant.Light
+            : ThemeVariant.Dark;
+
+        SetTheme(newTheme);
+    }
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/AlbumDownloadViewModel.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/AlbumDownloadViewModel.cs
@@ -0,0 +1,137 @@
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using ZonyLrcTools.Common.Album;
+using ZonyLrcTools.Desktop.Infrastructure.Localization;
+using ZonyLrcTools.Desktop.Services;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+public partial class AlbumDownloadViewModel : ViewModelBase
+{
+    private readonly IAlbumDownloader _albumDownloader;
+    private readonly IDialogService _dialogService;
+    private readonly IUILocalizationService? _localization;
+
+    private CancellationTokenSource? _downloadCts;
+
+    [ObservableProperty]
+    private string? _selectedFolderPath;
+
+    [ObservableProperty]
+    private int _parallelCount = 2;
+
+    [ObservableProperty]
+    private int _totalCount;
+
+    [ObservableProperty]
+    private int _completedCount;
+
+    [ObservableProperty]
+    private int _failedCount;
+
+    [ObservableProperty]
+    private double _progressPercentage;
+
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(CanStartDownload))]
+    private bool _isDownloading;
+
+    // Localized strings
+    public string AlbumTitle => _localization?["Album_Title"] ?? "Album Cover Download";
+    public string AlbumDescription => _localization?["Album_Description"] ?? "Download album artwork for your music collection";
+    public string AlbumSelectFolder => _localization?["Album_SelectFolder"] ?? "Select music folder...";
+    public string AlbumBrowse => _localization?["Album_Browse"] ?? "Browse...";
+    public string AlbumParallel => _localization?["Album_Parallel"] ?? "Parallel:";
+    public string AlbumStartDownload => _localization?["Album_StartDownload"] ?? "Start Download";
+    public string AlbumStopDownload => _localization?["Album_StopDownload"] ?? "Stop Download";
+    public string CommonTotal => _localization?["Common_Total"] ?? "Total:";
+    public string CommonFiles => _localization?["Common_Files"] ?? "files";
+    public string CommonSuccess => _localization?["Common_Success"] ?? "Success:";
+    public string CommonFailed => _localization?["Common_Failed"] ?? "Failed:";
+    public string ColumnSongName => _localization?["Column_SongName"] ?? "Song Name";
+    public string ColumnArtist => _localization?["Column_Artist"] ?? "Artist";
+    public string ColumnStatus => _localization?["Column_Status"] ?? "Status";
+
+    public bool CanStartDownload => !IsDownloading && !string.IsNullOrEmpty(SelectedFolderPath);
+
+    public ObservableCollection<MusicFileViewModel> MusicFiles { get; } = new();
+
+    public AlbumDownloadViewModel(
+        IAlbumDownloader albumDownloader,
+        IDialogService dialogService,
+        IUILocalizationService? localization = null)
+    {
+        _albumDownloader = albumDownloader;
+        _dialogService = dialogService;
+        _localization = localization;
+
+        if (_localization != null)
+        {
+            _localization.LanguageChanged += OnLanguageChanged;
+        }
+    }
+
+    private void OnLanguageChanged(object? sender, EventArgs e)
+    {
+        OnPropertyChanged(nameof(AlbumTitle));
+        OnPropertyChanged(nameof(AlbumDescription));
+        OnPropertyChanged(nameof(AlbumSelectFolder));
+        OnPropertyChanged(nameof(AlbumBrowse));
+        OnPropertyChanged(nameof(AlbumParallel));
+        OnPropertyChanged(nameof(AlbumStartDownload));
+        OnPropertyChanged(nameof(AlbumStopDownload));
+        OnPropertyChanged(nameof(CommonTotal));
+        OnPropertyChanged(nameof(CommonFiles));
+        OnPropertyChanged(nameof(CommonSuccess));
+        OnPropertyChanged(nameof(CommonFailed));
+        OnPropertyChanged(nameof(ColumnSongName));
+        OnPropertyChanged(nameof(ColumnArtist));
+        OnPropertyChanged(nameof(ColumnStatus));
+    }
+
+    [RelayCommand]
+    private async Task SelectFolderAsync()
+    {
+        var folder = await _dialogService.ShowFolderPickerAsync("Select Music Folder");
+        if (string.IsNullOrEmpty(folder)) return;
+
+        SelectedFolderPath = folder;
+        OnPropertyChanged(nameof(CanStartDownload));
+    }
+
+    [RelayCommand]
+    private async Task StartDownloadAsync()
+    {
+        if (string.IsNullOrEmpty(SelectedFolderPath)) return;
+
+        IsDownloading = true;
+        CompletedCount = 0;
+        FailedCount = 0;
+        ProgressPercentage = 0;
+
+        _downloadCts = new CancellationTokenSource();
+
+        try
+        {
+            // TODO: Implement actual download logic using _albumDownloader
+            await Task.Delay(1000, _downloadCts.Token); // Placeholder
+        }
+        catch (OperationCanceledException)
+        {
+            // User cancelled
+        }
+        finally
+        {
+            IsDownloading = false;
+            _downloadCts?.Dispose();
+            _downloadCts = null;
+        }
+    }
+
+    [RelayCommand]
+    private void CancelDownload()
+    {
+        _downloadCts?.Cancel();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/HomeViewModel.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/HomeViewModel.cs
@@ -0,0 +1,15 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+public partial class HomeViewModel : ViewModelBase
+{
+    [ObservableProperty]
+    private string _welcomeMessage = "Welcome to ZonyLrcTools X";
+
+    [ObservableProperty]
+    private string _description = "A cross-platform tool for downloading lyrics and album covers for your music collection.";
+
+    [ObservableProperty]
+    private string _version = "4.0.3";
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/LyricsDownloadViewModel.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/LyricsDownloadViewModel.cs
@@ -0,0 +1,164 @@
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using ZonyLrcTools.Common.Lyrics;
+using ZonyLrcTools.Desktop.Infrastructure.Localization;
+using ZonyLrcTools.Desktop.Services;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+public partial class LyricsDownloadViewModel : ViewModelBase
+{
+    private readonly ILyricsDownloader _lyricsDownloader;
+    private readonly IDialogService _dialogService;
+    private readonly IUILocalizationService? _localization;
+
+    private CancellationTokenSource? _downloadCts;
+
+    [ObservableProperty]
+    private string? _selectedFolderPath;
+
+    [ObservableProperty]
+    private int _parallelCount = 2;
+
+    [ObservableProperty]
+    private int _totalCount;
+
+    [ObservableProperty]
+    private int _completedCount;
+
+    [ObservableProperty]
+    private int _failedCount;
+
+    [ObservableProperty]
+    private double _progressPercentage;
+
+    [ObservableProperty]
+    [NotifyCanExecuteChangedFor(nameof(StartDownloadCommand))]
+    [NotifyPropertyChangedFor(nameof(CanStartDownload))]
+    private bool _isDownloading;
+
+    [ObservableProperty]
+    private string? _currentProcessingFile;
+
+    // Localized strings
+    public string LyricsTitle => _localization?["Lyrics_Title"] ?? "Lyrics Download";
+    public string LyricsDescription => _localization?["Lyrics_Description"] ?? "Batch download lyrics for your music files";
+    public string LyricsSelectFolder => _localization?["Lyrics_SelectFolder"] ?? "Select music folder...";
+    public string LyricsBrowse => _localization?["Lyrics_Browse"] ?? "Browse...";
+    public string LyricsParallel => _localization?["Lyrics_Parallel"] ?? "Parallel:";
+    public string LyricsStartDownload => _localization?["Lyrics_StartDownload"] ?? "Start Download";
+    public string LyricsStopDownload => _localization?["Lyrics_StopDownload"] ?? "Stop Download";
+    public string CommonTotal => _localization?["Common_Total"] ?? "Total:";
+    public string CommonFiles => _localization?["Common_Files"] ?? "files";
+    public string CommonSuccess => _localization?["Common_Success"] ?? "Success:";
+    public string CommonFailed => _localization?["Common_Failed"] ?? "Failed:";
+    public string ColumnSongName => _localization?["Column_SongName"] ?? "Song Name";
+    public string ColumnArtist => _localization?["Column_Artist"] ?? "Artist";
+    public string ColumnFilePath => _localization?["Column_FilePath"] ?? "File Path";
+    public string ColumnStatus => _localization?["Column_Status"] ?? "Status";
+
+    public bool CanStartDownload => !IsDownloading && !string.IsNullOrEmpty(SelectedFolderPath);
+
+    public ObservableCollection<MusicFileViewModel> MusicFiles { get; } = new();
+
+    public LyricsDownloadViewModel(
+        ILyricsDownloader lyricsDownloader,
+        IDialogService dialogService,
+        IUILocalizationService? localization = null)
+    {
+        _lyricsDownloader = lyricsDownloader;
+        _dialogService = dialogService;
+        _localization = localization;
+
+        if (_localization != null)
+        {
+            _localization.LanguageChanged += OnLanguageChanged;
+        }
+    }
+
+    private void OnLanguageChanged(object? sender, EventArgs e)
+    {
+        OnPropertyChanged(nameof(LyricsTitle));
+        OnPropertyChanged(nameof(LyricsDescription));
+        OnPropertyChanged(nameof(LyricsSelectFolder));
+        OnPropertyChanged(nameof(LyricsBrowse));
+        OnPropertyChanged(nameof(LyricsParallel));
+        OnPropertyChanged(nameof(LyricsStartDownload));
+        OnPropertyChanged(nameof(LyricsStopDownload));
+        OnPropertyChanged(nameof(CommonTotal));
+        OnPropertyChanged(nameof(CommonFiles));
+        OnPropertyChanged(nameof(CommonSuccess));
+        OnPropertyChanged(nameof(CommonFailed));
+        OnPropertyChanged(nameof(ColumnSongName));
+        OnPropertyChanged(nameof(ColumnArtist));
+        OnPropertyChanged(nameof(ColumnFilePath));
+        OnPropertyChanged(nameof(ColumnStatus));
+    }
+
+    [RelayCommand]
+    private async Task SelectFolderAsync()
+    {
+        var folder = await _dialogService.ShowFolderPickerAsync("Select Music Folder");
+        if (string.IsNullOrEmpty(folder)) return;
+
+        SelectedFolderPath = folder;
+        OnPropertyChanged(nameof(CanStartDownload));
+    }
+
+    [RelayCommand(CanExecute = nameof(CanStartDownload))]
+    private async Task StartDownloadAsync()
+    {
+        if (string.IsNullOrEmpty(SelectedFolderPath)) return;
+
+        IsDownloading = true;
+        CompletedCount = 0;
+        FailedCount = 0;
+        ProgressPercentage = 0;
+
+        _downloadCts = new CancellationTokenSource();
+
+        try
+        {
+            // TODO: Implement actual download logic using _lyricsDownloader
+            await Task.Delay(1000, _downloadCts.Token); // Placeholder
+        }
+        catch (OperationCanceledException)
+        {
+            // User cancelled
+        }
+        finally
+        {
+            IsDownloading = false;
+            _downloadCts?.Dispose();
+            _downloadCts = null;
+        }
+    }
+
+    [RelayCommand]
+    private void CancelDownload()
+    {
+        _downloadCts?.Cancel();
+    }
+}
+
+public partial class MusicFileViewModel : ObservableObject
+{
+    [ObservableProperty]
+    private string _filePath = string.Empty;
+
+    [ObservableProperty]
+    private string _name = string.Empty;
+
+    [ObservableProperty]
+    private string _artist = string.Empty;
+
+    [ObservableProperty]
+    private bool _isProcessed;
+
+    [ObservableProperty]
+    private bool _isSuccessful;
+
+    [ObservableProperty]
+    private string? _statusMessage;
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/MainWindowViewModel.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/MainWindowViewModel.cs
@@ -0,0 +1,72 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using ZonyLrcTools.Desktop.Infrastructure.Localization;
+using ZonyLrcTools.Desktop.Services;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+public partial class MainWindowViewModel : ViewModelBase
+{
+    private readonly IThemeService _themeService;
+    private readonly IUILocalizationService _localization;
+
+    [ObservableProperty]
+    private ViewModelBase? _currentPage;
+
+    [ObservableProperty]
+    private int _selectedNavigationIndex;
+
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(ThemeButtonText))]
+    private bool _isDarkTheme;
+
+    [ObservableProperty]
+    private string _title = "ZonyLrcTools X";
+
+    // Navigation localized strings
+    public string NavHome => _localization["Nav_Home"];
+    public string NavLyricsDownload => _localization["Nav_LyricsDownload"];
+    public string NavAlbumDownload => _localization["Nav_AlbumDownload"];
+    public string NavSettings => _localization["Nav_Settings"];
+    public string HomeDescription => _localization["Home_Description"];
+
+    public string ThemeButtonText => IsDarkTheme
+        ? _localization["Settings_ThemeLight"]
+        : _localization["Settings_ThemeDark"];
+
+    public MainWindowViewModel(
+        IThemeService themeService,
+        IUILocalizationService localization,
+        HomeViewModel homeViewModel)
+    {
+        _themeService = themeService;
+        _localization = localization;
+
+        // Subscribe to language changes
+        _localization.LanguageChanged += OnLanguageChanged;
+
+        // Set initial page
+        CurrentPage = homeViewModel;
+        SelectedNavigationIndex = 0;
+    }
+
+    private void OnLanguageChanged(object? sender, EventArgs e)
+    {
+        // Notify all localized properties have changed
+        OnPropertyChanged(nameof(NavHome));
+        OnPropertyChanged(nameof(NavLyricsDownload));
+        OnPropertyChanged(nameof(NavAlbumDownload));
+        OnPropertyChanged(nameof(NavSettings));
+        OnPropertyChanged(nameof(HomeDescription));
+        OnPropertyChanged(nameof(ThemeButtonText));
+    }
+
+    [RelayCommand]
+    private void ToggleTheme()
+    {
+        IsDarkTheme = !IsDarkTheme;
+        _themeService.SetTheme(IsDarkTheme
+            ? Avalonia.Styling.ThemeVariant.Dark
+            : Avalonia.Styling.ThemeVariant.Light);
+    }
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/SettingsViewModel.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/SettingsViewModel.cs
@@ -0,0 +1,253 @@
+using System.Collections.ObjectModel;
+using System.Globalization;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Microsoft.Extensions.Options;
+using YamlDotNet.Serialization;
+using YamlDotNet.Serialization.NamingConventions;
+using ZonyLrcTools.Common.Configuration;
+using ZonyLrcTools.Desktop.Infrastructure.Localization;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+public partial class SettingsViewModel : ViewModelBase
+{
+    private readonly GlobalOptions _globalOptions;
+    private readonly IUILocalizationService? _localizationService;
+    private bool _isLoading = true; // Prevent saving during initial load
+
+    [ObservableProperty]
+    private bool _followSystemLanguage = true;
+
+    [ObservableProperty]
+    private bool _isChineseSelected = true;
+
+    [ObservableProperty]
+    private bool _isEnglishSelected;
+
+    [ObservableProperty]
+    private bool _isProxyEnabled;
+
+    [ObservableProperty]
+    private string _proxyIp = "127.0.0.1";
+
+    [ObservableProperty]
+    private int _proxyPort = 7890;
+
+    [ObservableProperty]
+    private bool _isTranslationEnabled;
+
+    [ObservableProperty]
+    private bool _isOneLineMode;
+
+    [ObservableProperty]
+    private bool _skipExistingLyrics;
+
+    [ObservableProperty]
+    private string _selectedEncoding = "utf-8";
+
+    // Localized strings
+    public string SettingsTitle => _localizationService?["Settings_Title"] ?? "Settings";
+    public string SettingsLanguage => _localizationService?["Settings_Language"] ?? "Language";
+    public string SettingsFollowSystem => _localizationService?["Settings_FollowSystem"] ?? "Follow System";
+    public string SettingsChinese => _localizationService?["Settings_Chinese"] ?? "Chinese";
+    public string SettingsEnglish => _localizationService?["Settings_English"] ?? "English";
+    public string SettingsProxy => _localizationService?["Settings_Proxy"] ?? "Proxy";
+    public string SettingsProxyEnable => _localizationService?["Settings_ProxyEnable"] ?? "Enable Proxy";
+    public string SettingsProxyAddress => _localizationService?["Settings_ProxyAddress"] ?? "Proxy Address";
+    public string SettingsLyricsProvider => _localizationService?["Settings_LyricsProvider"] ?? "Lyrics Provider";
+    public string SettingsReset => _localizationService?["Settings_Reset"] ?? "Reset";
+
+    public ObservableCollection<string> AvailableEncodings { get; } = new()
+    {
+        "utf-8",
+        "utf-8-bom",
+        "gb2312",
+        "gbk"
+    };
+
+    public ObservableCollection<LyricsProviderSettingViewModel> LyricsProviders { get; } = new();
+
+    public SettingsViewModel(IOptions<GlobalOptions> options, IUILocalizationService? localizationService = null)
+    {
+        _globalOptions = options.Value;
+        _localizationService = localizationService;
+
+        // Subscribe to language changes
+        if (_localizationService != null)
+        {
+            _localizationService.LanguageChanged += OnLanguageChanged;
+        }
+
+        LoadSettings();
+        LoadLanguageSettings();
+        _isLoading = false; // Allow saving after initial load
+    }
+
+    private void OnLanguageChanged(object? sender, EventArgs e)
+    {
+        OnPropertyChanged(nameof(SettingsTitle));
+        OnPropertyChanged(nameof(SettingsLanguage));
+        OnPropertyChanged(nameof(SettingsFollowSystem));
+        OnPropertyChanged(nameof(SettingsChinese));
+        OnPropertyChanged(nameof(SettingsEnglish));
+        OnPropertyChanged(nameof(SettingsProxy));
+        OnPropertyChanged(nameof(SettingsProxyEnable));
+        OnPropertyChanged(nameof(SettingsProxyAddress));
+        OnPropertyChanged(nameof(SettingsLyricsProvider));
+        OnPropertyChanged(nameof(SettingsReset));
+    }
+
+    private void LoadLanguageSettings()
+    {
+        var currentCulture = CultureInfo.CurrentUICulture.Name;
+        IsChineseSelected = currentCulture.StartsWith("zh");
+        IsEnglishSelected = currentCulture.StartsWith("en");
+    }
+
+    partial void OnFollowSystemLanguageChanged(bool value)
+    {
+        if (value)
+        {
+            // Auto-detect system language
+            var systemCulture = CultureInfo.InstalledUICulture.Name;
+            ApplyLanguage(systemCulture.StartsWith("zh") ? "zh-CN" : "en-US");
+        }
+        SaveSettingsIfNotLoading();
+    }
+
+    partial void OnIsChineseSelectedChanged(bool value)
+    {
+        if (value && !FollowSystemLanguage)
+        {
+            ApplyLanguage("zh-CN");
+        }
+        SaveSettingsIfNotLoading();
+    }
+
+    partial void OnIsEnglishSelectedChanged(bool value)
+    {
+        if (value && !FollowSystemLanguage)
+        {
+            ApplyLanguage("en-US");
+        }
+        SaveSettingsIfNotLoading();
+    }
+
+    partial void OnIsProxyEnabledChanged(bool value) => SaveSettingsIfNotLoading();
+    partial void OnProxyIpChanged(string value) => SaveSettingsIfNotLoading();
+    partial void OnProxyPortChanged(int value) => SaveSettingsIfNotLoading();
+    partial void OnIsTranslationEnabledChanged(bool value) => SaveSettingsIfNotLoading();
+    partial void OnIsOneLineModeChanged(bool value) => SaveSettingsIfNotLoading();
+    partial void OnSkipExistingLyricsChanged(bool value) => SaveSettingsIfNotLoading();
+    partial void OnSelectedEncodingChanged(string value) => SaveSettingsIfNotLoading();
+
+    private void ApplyLanguage(string cultureName)
+    {
+        _localizationService?.SetLanguage(cultureName);
+    }
+
+    private void SaveSettingsIfNotLoading()
+    {
+        if (!_isLoading)
+        {
+            SaveSettingsToFile();
+        }
+    }
+
+    private void LoadSettings()
+    {
+        // Load network settings
+        IsProxyEnabled = _globalOptions.NetworkOptions?.IsEnable ?? false;
+        ProxyIp = _globalOptions.NetworkOptions?.Ip ?? "127.0.0.1";
+        ProxyPort = _globalOptions.NetworkOptions?.Port ?? 7890;
+
+        // Load lyrics settings
+        var lyricsConfig = _globalOptions.Provider?.Lyric?.Config;
+        if (lyricsConfig != null)
+        {
+            IsTranslationEnabled = lyricsConfig.IsEnableTranslation;
+            IsOneLineMode = lyricsConfig.IsOneLine;
+            SkipExistingLyrics = lyricsConfig.IsSkipExistLyricFiles;
+            SelectedEncoding = lyricsConfig.FileEncoding ?? "utf-8";
+        }
+
+        // Load lyrics providers
+        var providers = _globalOptions.Provider?.Lyric?.Plugin;
+        if (providers != null)
+        {
+            foreach (var provider in providers.OrderBy(p => p.Priority))
+            {
+                LyricsProviders.Add(new LyricsProviderSettingViewModel
+                {
+                    Name = provider.Name ?? "Unknown",
+                    Priority = provider.Priority,
+                    IsEnabled = provider.Priority != -1
+                });
+            }
+        }
+    }
+
+    private void SaveSettingsToFile()
+    {
+        try
+        {
+            // Update GlobalOptions with current values
+            if (_globalOptions.NetworkOptions != null)
+            {
+                _globalOptions.NetworkOptions.IsEnable = IsProxyEnabled;
+                _globalOptions.NetworkOptions.Ip = ProxyIp;
+                _globalOptions.NetworkOptions.Port = ProxyPort;
+            }
+
+            if (_globalOptions.Provider?.Lyric?.Config != null)
+            {
+                _globalOptions.Provider.Lyric.Config.IsEnableTranslation = IsTranslationEnabled;
+                _globalOptions.Provider.Lyric.Config.IsOneLine = IsOneLineMode;
+                _globalOptions.Provider.Lyric.Config.IsSkipExistLyricFiles = SkipExistingLyrics;
+                _globalOptions.Provider.Lyric.Config.FileEncoding = SelectedEncoding;
+            }
+
+            // Serialize and save to file
+            var serializer = new SerializerBuilder()
+                .WithNamingConvention(CamelCaseNamingConvention.Instance)
+                .Build();
+
+            var yaml = serializer.Serialize(_globalOptions);
+            var configPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "config.yaml");
+            File.WriteAllText(configPath, yaml);
+        }
+        catch (Exception ex)
+        {
+            // Log error but don't crash - settings save is best effort
+            System.Diagnostics.Debug.WriteLine($"Failed to save settings: {ex.Message}");
+        }
+    }
+
+    [RelayCommand]
+    private void ResetToDefaults()
+    {
+        _isLoading = true; // Prevent multiple saves during reset
+        IsProxyEnabled = false;
+        ProxyIp = "127.0.0.1";
+        ProxyPort = 7890;
+        IsTranslationEnabled = false;
+        IsOneLineMode = false;
+        SkipExistingLyrics = true;
+        SelectedEncoding = "utf-8";
+        _isLoading = false;
+        SaveSettingsToFile(); // Save once after all resets
+    }
+}
+
+public partial class LyricsProviderSettingViewModel : ObservableObject
+{
+    [ObservableProperty]
+    private string _name = string.Empty;
+
+    [ObservableProperty]
+    private int _priority;
+
+    [ObservableProperty]
+    private bool _isEnabled;
+}
--- a/src/ZonyLrcTools.Desktop/ViewModels/ViewModelBase.cs
+++ b/src/ZonyLrcTools.Desktop/ViewModels/ViewModelBase.cs
@@ -0,0 +1,28 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace ZonyLrcTools.Desktop.ViewModels;
+
+/// <summary>
+/// Base class for all ViewModels.
+/// </summary>
+public abstract partial class ViewModelBase : ObservableObject
+{
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(IsNotBusy))]
+    private bool _isBusy;
+
+    [ObservableProperty]
+    private string? _busyMessage;
+
+    public bool IsNotBusy => !IsBusy;
+
+    /// <summary>
+    /// Called when the ViewModel is activated (navigated to).
+    /// </summary>
+    public virtual Task OnActivatedAsync() => Task.CompletedTask;
+
+    /// <summary>
+    /// Called when the ViewModel is deactivated (navigated away).
+    /// </summary>
+    public virtual Task OnDeactivatedAsync() => Task.CompletedTask;
+}
--- a/src/ZonyLrcTools.Desktop/Views/MainWindow.axaml
+++ b/src/ZonyLrcTools.Desktop/Views/MainWindow.axaml
@@ -0,0 +1,81 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:ZonyLrcTools.Desktop.ViewModels"
+        xmlns:pages="using:ZonyLrcTools.Desktop.Views.Pages"
+        xmlns:loc="using:ZonyLrcTools.Desktop.Infrastructure.Localization"
+        x:Class="ZonyLrcTools.Desktop.Views.MainWindow"
+        x:DataType="vm:MainWindowViewModel"
+        Title="{Binding Title}"
+        Width="1200" Height="800"
+        MinWidth="900" MinHeight="600"
+        WindowStartupLocation="CenterScreen">
+
+    <Grid ColumnDefinitions="220,*">
+        <!-- Left Navigation Panel -->
+        <Border Grid.Column="0"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                Padding="8">
+            <DockPanel>
+                <!-- App Title -->
+                <StackPanel DockPanel.Dock="Top" Margin="8,16,8,24">
+                    <TextBlock Text="ZonyLrcTools"
+                               FontSize="24"
+                               FontWeight="Bold"
+                               HorizontalAlignment="Center" />
+                    <TextBlock Text="{Binding HomeDescription}"
+                               FontSize="12"
+                               Opacity="0.7"
+                               HorizontalAlignment="Center"
+                               Margin="0,4,0,0" />
+                </StackPanel>
+
+                <!-- Theme Toggle -->
+                <Button DockPanel.Dock="Bottom"
+                        Content="{Binding ThemeButtonText}"
+                        Command="{Binding ToggleThemeCommand}"
+                        HorizontalAlignment="Stretch"
+                        HorizontalContentAlignment="Center"
+                        Margin="8" />
+
+                <!-- Navigation Menu -->
+                <ListBox SelectedIndex="{Binding SelectedNavigationIndex}"
+                         Margin="0,8"
+                         SelectionChanged="OnNavigationSelectionChanged">
+                    <ListBoxItem>
+                        <TextBlock Text="{Binding NavHome}" VerticalAlignment="Center" />
+                    </ListBoxItem>
+                    <ListBoxItem>
+                        <TextBlock Text="{Binding NavLyricsDownload}" VerticalAlignment="Center" />
+                    </ListBoxItem>
+                    <ListBoxItem>
+                        <TextBlock Text="{Binding NavAlbumDownload}" VerticalAlignment="Center" />
+                    </ListBoxItem>
+                    <ListBoxItem>
+                        <TextBlock Text="{Binding NavSettings}" VerticalAlignment="Center" />
+                    </ListBoxItem>
+                </ListBox>
+            </DockPanel>
+        </Border>
+
+        <!-- Right Content Area -->
+        <Border Grid.Column="1" Padding="24">
+            <ContentControl Content="{Binding CurrentPage}">
+                <ContentControl.DataTemplates>
+                    <DataTemplate DataType="vm:HomeViewModel">
+                        <pages:HomePage />
+                    </DataTemplate>
+                    <DataTemplate DataType="vm:LyricsDownloadViewModel">
+                        <pages:LyricsDownloadPage />
+                    </DataTemplate>
+                    <DataTemplate DataType="vm:AlbumDownloadViewModel">
+                        <pages:AlbumDownloadPage />
+                    </DataTemplate>
+                    <DataTemplate DataType="vm:SettingsViewModel">
+                        <pages:SettingsPage />
+                    </DataTemplate>
+                </ContentControl.DataTemplates>
+            </ContentControl>
+        </Border>
+    </Grid>
+
+</Window>
--- a/src/ZonyLrcTools.Desktop/Views/MainWindow.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/Views/MainWindow.axaml.cs
@@ -0,0 +1,38 @@
+using Avalonia.Controls;
+using Microsoft.Extensions.DependencyInjection;
+using ZonyLrcTools.Desktop.ViewModels;
+
+namespace ZonyLrcTools.Desktop.Views;
+
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+
+    private void OnNavigationSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (DataContext is not MainWindowViewModel viewModel) return;
+        if (sender is not ListBox listBox) return;
+
+        var services = App.Services;
+        if (services == null) return;
+
+        switch (listBox.SelectedIndex)
+        {
+            case 0:
+                viewModel.CurrentPage = services.GetRequiredService<HomeViewModel>();
+                break;
+            case 1:
+                viewModel.CurrentPage = services.GetRequiredService<LyricsDownloadViewModel>();
+                break;
+            case 2:
+                viewModel.CurrentPage = services.GetRequiredService<AlbumDownloadViewModel>();
+                break;
+            case 3:
+                viewModel.CurrentPage = services.GetRequiredService<SettingsViewModel>();
+                break;
+        }
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Views/Pages/AlbumDownloadPage.axaml
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/AlbumDownloadPage.axaml
@@ -0,0 +1,142 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:ZonyLrcTools.Desktop.ViewModels"
+             x:Class="ZonyLrcTools.Desktop.Views.Pages.AlbumDownloadPage"
+             x:DataType="vm:AlbumDownloadViewModel">
+
+    <Grid RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Title -->
+        <StackPanel Grid.Row="0" Margin="0,0,0,24">
+            <TextBlock Text="{Binding AlbumTitle}"
+                       FontSize="28"
+                       FontWeight="SemiBold" />
+            <TextBlock Text="{Binding AlbumDescription}"
+                       Opacity="0.7"
+                       Margin="0,4,0,0" />
+        </StackPanel>
+
+        <!-- Controls -->
+        <Border Grid.Row="1"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                CornerRadius="8"
+                Padding="16"
+                Margin="0,0,0,16">
+            <StackPanel Spacing="16">
+                <!-- Row 1: Folder Selection -->
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding SelectedFolderPath}"
+                             Watermark="{Binding AlbumSelectFolder}"
+                             IsReadOnly="True"
+                             Margin="0,0,12,0" />
+                    <Button Grid.Column="1"
+                            Content="{Binding AlbumBrowse}"
+                            Command="{Binding SelectFolderCommand}"
+                            MinWidth="80" />
+                </Grid>
+
+                <!-- Row 2: Options and Actions -->
+                <Grid ColumnDefinitions="Auto,Auto,*,Auto">
+                    <!-- Parallel Count -->
+                    <TextBlock Grid.Column="0"
+                               Text="{Binding AlbumParallel}"
+                               VerticalAlignment="Center"
+                               Margin="0,0,8,0" />
+                    <TextBox Grid.Column="1"
+                             Text="{Binding ParallelCount}"
+                             Width="60"
+                             TextAlignment="Center"
+                             VerticalContentAlignment="Center" />
+
+                    <!-- Spacer -->
+                    <Panel Grid.Column="2" />
+
+                    <!-- Download Buttons -->
+                    <StackPanel Grid.Column="3" Orientation="Horizontal" Spacing="8">
+                        <Button Command="{Binding StartDownloadCommand}"
+                                Content="{Binding AlbumStartDownload}"
+                                IsVisible="{Binding !IsDownloading}"
+                                Classes="accent"
+                                MinWidth="100" />
+                        <Button Command="{Binding CancelDownloadCommand}"
+                                Content="{Binding AlbumStopDownload}"
+                                IsVisible="{Binding IsDownloading}"
+                                MinWidth="100" />
+                    </StackPanel>
+                </Grid>
+
+                <!-- Progress Bar (visible during download) -->
+                <StackPanel IsVisible="{Binding IsDownloading}" Spacing="8">
+                    <ProgressBar Value="{Binding ProgressPercentage}"
+                                 Maximum="100"
+                                 Height="6" />
+                    <TextBlock HorizontalAlignment="Center" FontSize="12" Opacity="0.8">
+                        <Run Text="{Binding CompletedCount}" />
+                        <Run Text=" / " />
+                        <Run Text="{Binding TotalCount}" />
+                    </TextBlock>
+                </StackPanel>
+            </StackPanel>
+        </Border>
+
+        <!-- File List -->
+        <Border Grid.Row="2"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                CornerRadius="8"
+                Padding="1">
+            <DataGrid ItemsSource="{Binding MusicFiles}"
+                      AutoGenerateColumns="False"
+                      IsReadOnly="True"
+                      GridLinesVisibility="Horizontal"
+                      BorderThickness="0">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Header="{Binding ColumnSongName}"
+                                        Binding="{Binding Name}"
+                                        Width="*" />
+                    <DataGridTextColumn Header="{Binding ColumnArtist}"
+                                        Binding="{Binding Artist}"
+                                        Width="200" />
+                    <DataGridTextColumn Header="{Binding ColumnStatus}"
+                                        Binding="{Binding StatusMessage}"
+                                        Width="120" />
+                </DataGrid.Columns>
+            </DataGrid>
+        </Border>
+
+        <!-- Status Bar -->
+        <Border Grid.Row="3"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                Padding="16,12"
+                Margin="0,16,0,0"
+                CornerRadius="8">
+            <Grid ColumnDefinitions="Auto,*,Auto,Auto">
+                <!-- Total -->
+                <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="4">
+                    <TextBlock Text="{Binding CommonTotal}" Opacity="0.8" />
+                    <TextBlock Text="{Binding TotalCount}" FontWeight="SemiBold" />
+                    <TextBlock Text="{Binding CommonFiles}" Opacity="0.8" />
+                </StackPanel>
+
+                <!-- Spacer -->
+                <Panel Grid.Column="1" />
+
+                <!-- Success -->
+                <StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="4" Margin="0,0,24,0">
+                    <TextBlock Text="{Binding CommonSuccess}" Opacity="0.8" />
+                    <TextBlock Text="{Binding CompletedCount}"
+                               FontWeight="SemiBold"
+                               Foreground="#4CAF50" />
+                </StackPanel>
+
+                <!-- Failed -->
+                <StackPanel Grid.Column="3" Orientation="Horizontal" Spacing="4">
+                    <TextBlock Text="{Binding CommonFailed}" Opacity="0.8" />
+                    <TextBlock Text="{Binding FailedCount}"
+                               FontWeight="SemiBold"
+                               Foreground="#F44336" />
+                </StackPanel>
+            </Grid>
+        </Border>
+    </Grid>
+
+</UserControl>
--- a/src/ZonyLrcTools.Desktop/Views/Pages/AlbumDownloadPage.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/AlbumDownloadPage.axaml.cs
@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace ZonyLrcTools.Desktop.Views.Pages;
+
+public partial class AlbumDownloadPage : UserControl
+{
+    public AlbumDownloadPage()
+    {
+        InitializeComponent();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Views/Pages/HomePage.axaml
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/HomePage.axaml
@@ -0,0 +1,97 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:ZonyLrcTools.Desktop.ViewModels"
+             x:Class="ZonyLrcTools.Desktop.Views.Pages.HomePage"
+             x:DataType="vm:HomeViewModel">
+
+    <ScrollViewer>
+        <StackPanel Spacing="24">
+            <!-- Header -->
+            <StackPanel Spacing="8">
+                <TextBlock Text="{Binding WelcomeMessage}"
+                           FontSize="32"
+                           FontWeight="Bold" />
+                <TextBlock Text="{Binding Description}"
+                           FontSize="14"
+                           Opacity="0.7"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+
+            <!-- Quick Actions -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="Quick Actions"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <WrapPanel Orientation="Horizontal">
+                        <Button Margin="0,0,16,16"
+                                Padding="24,16"
+                                CornerRadius="8">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="Download Lyrics"
+                                           FontWeight="SemiBold" />
+                                <TextBlock Text="Batch download lyrics for your music"
+                                           FontSize="12"
+                                           Opacity="0.7" />
+                            </StackPanel>
+                        </Button>
+
+                        <Button Margin="0,0,16,16"
+                                Padding="24,16"
+                                CornerRadius="8">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="Download Album Covers"
+                                           FontWeight="SemiBold" />
+                                <TextBlock Text="Get album artwork for your collection"
+                                           FontSize="12"
+                                           Opacity="0.7" />
+                            </StackPanel>
+                        </Button>
+                    </WrapPanel>
+                </StackPanel>
+            </Border>
+
+            <!-- Features -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="Features"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <ItemsControl>
+                        <ItemsControl.Items>
+                            <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,4">
+                                <TextBlock Text="*" FontWeight="Bold" Foreground="{DynamicResource AppAccentBrush}" />
+                                <TextBlock Text="Multiple lyrics sources: NetEase, QQ Music, KuGou, KuWo" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,4">
+                                <TextBlock Text="*" FontWeight="Bold" Foreground="{DynamicResource AppAccentBrush}" />
+                                <TextBlock Text="Batch processing with parallel downloads" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,4">
+                                <TextBlock Text="*" FontWeight="Bold" Foreground="{DynamicResource AppAccentBrush}" />
+                                <TextBlock Text="Support for translation lyrics" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,4">
+                                <TextBlock Text="*" FontWeight="Bold" Foreground="{DynamicResource AppAccentBrush}" />
+                                <TextBlock Text="Cross-platform: Windows, macOS, Linux" />
+                            </StackPanel>
+                        </ItemsControl.Items>
+                    </ItemsControl>
+                </StackPanel>
+            </Border>
+
+            <!-- Version Info -->
+            <TextBlock Opacity="0.5" FontSize="12">
+                <Run Text="Version " />
+                <Run Text="{Binding Version}" />
+            </TextBlock>
+        </StackPanel>
+    </ScrollViewer>
+
+</UserControl>
--- a/src/ZonyLrcTools.Desktop/Views/Pages/HomePage.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/HomePage.axaml.cs
@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace ZonyLrcTools.Desktop.Views.Pages;
+
+public partial class HomePage : UserControl
+{
+    public HomePage()
+    {
+        InitializeComponent();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Views/Pages/LyricsDownloadPage.axaml
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/LyricsDownloadPage.axaml
@@ -0,0 +1,145 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:ZonyLrcTools.Desktop.ViewModels"
+             x:Class="ZonyLrcTools.Desktop.Views.Pages.LyricsDownloadPage"
+             x:DataType="vm:LyricsDownloadViewModel">
+
+    <Grid RowDefinitions="Auto,Auto,*,Auto">
+        <!-- Title -->
+        <StackPanel Grid.Row="0" Margin="0,0,0,24">
+            <TextBlock Text="{Binding LyricsTitle}"
+                       FontSize="28"
+                       FontWeight="SemiBold" />
+            <TextBlock Text="{Binding LyricsDescription}"
+                       Opacity="0.7"
+                       Margin="0,4,0,0" />
+        </StackPanel>
+
+        <!-- Controls -->
+        <Border Grid.Row="1"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                CornerRadius="8"
+                Padding="16"
+                Margin="0,0,0,16">
+            <StackPanel Spacing="16">
+                <!-- Row 1: Folder Selection -->
+                <Grid ColumnDefinitions="*,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding SelectedFolderPath}"
+                             Watermark="{Binding LyricsSelectFolder}"
+                             IsReadOnly="True"
+                             Margin="0,0,12,0" />
+                    <Button Grid.Column="1"
+                            Content="{Binding LyricsBrowse}"
+                            Command="{Binding SelectFolderCommand}"
+                            MinWidth="80" />
+                </Grid>
+
+                <!-- Row 2: Options and Actions -->
+                <Grid ColumnDefinitions="Auto,Auto,*,Auto">
+                    <!-- Parallel Count -->
+                    <TextBlock Grid.Column="0"
+                               Text="{Binding LyricsParallel}"
+                               VerticalAlignment="Center"
+                               Margin="0,0,8,0" />
+                    <TextBox Grid.Column="1"
+                             Text="{Binding ParallelCount}"
+                             Width="60"
+                             TextAlignment="Center"
+                             VerticalContentAlignment="Center" />
+
+                    <!-- Spacer -->
+                    <Panel Grid.Column="2" />
+
+                    <!-- Download Buttons -->
+                    <StackPanel Grid.Column="3" Orientation="Horizontal" Spacing="8">
+                        <Button Command="{Binding StartDownloadCommand}"
+                                Content="{Binding LyricsStartDownload}"
+                                IsVisible="{Binding !IsDownloading}"
+                                Classes="accent"
+                                MinWidth="100" />
+                        <Button Command="{Binding CancelDownloadCommand}"
+                                Content="{Binding LyricsStopDownload}"
+                                IsVisible="{Binding IsDownloading}"
+                                MinWidth="100" />
+                    </StackPanel>
+                </Grid>
+
+                <!-- Progress Bar (visible during download) -->
+                <StackPanel IsVisible="{Binding IsDownloading}" Spacing="8">
+                    <ProgressBar Value="{Binding ProgressPercentage}"
+                                 Maximum="100"
+                                 Height="6" />
+                    <TextBlock HorizontalAlignment="Center" FontSize="12" Opacity="0.8">
+                        <Run Text="{Binding CompletedCount}" />
+                        <Run Text=" / " />
+                        <Run Text="{Binding TotalCount}" />
+                    </TextBlock>
+                </StackPanel>
+            </StackPanel>
+        </Border>
+
+        <!-- File List -->
+        <Border Grid.Row="2"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                CornerRadius="8"
+                Padding="1">
+            <DataGrid ItemsSource="{Binding MusicFiles}"
+                      AutoGenerateColumns="False"
+                      IsReadOnly="True"
+                      GridLinesVisibility="Horizontal"
+                      BorderThickness="0">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Header="{Binding ColumnSongName}"
+                                        Binding="{Binding Name}"
+                                        Width="*" />
+                    <DataGridTextColumn Header="{Binding ColumnArtist}"
+                                        Binding="{Binding Artist}"
+                                        Width="150" />
+                    <DataGridTextColumn Header="{Binding ColumnFilePath}"
+                                        Binding="{Binding FilePath}"
+                                        Width="250" />
+                    <DataGridTextColumn Header="{Binding ColumnStatus}"
+                                        Binding="{Binding StatusMessage}"
+                                        Width="100" />
+                </DataGrid.Columns>
+            </DataGrid>
+        </Border>
+
+        <!-- Status Bar -->
+        <Border Grid.Row="3"
+                Background="{DynamicResource NavigationBackgroundBrush}"
+                Padding="16,12"
+                Margin="0,16,0,0"
+                CornerRadius="8">
+            <Grid ColumnDefinitions="Auto,*,Auto,Auto">
+                <!-- Total -->
+                <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="4">
+                    <TextBlock Text="{Binding CommonTotal}" Opacity="0.8" />
+                    <TextBlock Text="{Binding TotalCount}" FontWeight="SemiBold" />
+                    <TextBlock Text="{Binding CommonFiles}" Opacity="0.8" />
+                </StackPanel>
+
+                <!-- Spacer -->
+                <Panel Grid.Column="1" />
+
+                <!-- Success -->
+                <StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="4" Margin="0,0,24,0">
+                    <TextBlock Text="{Binding CommonSuccess}" Opacity="0.8" />
+                    <TextBlock Text="{Binding CompletedCount}"
+                               FontWeight="SemiBold"
+                               Foreground="#4CAF50" />
+                </StackPanel>
+
+                <!-- Failed -->
+                <StackPanel Grid.Column="3" Orientation="Horizontal" Spacing="4">
+                    <TextBlock Text="{Binding CommonFailed}" Opacity="0.8" />
+                    <TextBlock Text="{Binding FailedCount}"
+                               FontWeight="SemiBold"
+                               Foreground="#F44336" />
+                </StackPanel>
+            </Grid>
+        </Border>
+    </Grid>
+
+</UserControl>
--- a/src/ZonyLrcTools.Desktop/Views/Pages/LyricsDownloadPage.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/LyricsDownloadPage.axaml.cs
@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace ZonyLrcTools.Desktop.Views.Pages;
+
+public partial class LyricsDownloadPage : UserControl
+{
+    public LyricsDownloadPage()
+    {
+        InitializeComponent();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/Views/Pages/SettingsPage.axaml
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/SettingsPage.axaml
@@ -0,0 +1,141 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:ZonyLrcTools.Desktop.ViewModels"
+             x:Class="ZonyLrcTools.Desktop.Views.Pages.SettingsPage"
+             x:DataType="vm:SettingsViewModel">
+
+    <ScrollViewer>
+        <StackPanel Spacing="24">
+            <!-- Title -->
+            <StackPanel Margin="0,0,0,8">
+                <TextBlock Text="{Binding SettingsTitle}"
+                           FontSize="28"
+                           FontWeight="SemiBold" />
+            </StackPanel>
+
+            <!-- Language Settings -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="{Binding SettingsLanguage}"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <CheckBox Content="{Binding SettingsFollowSystem}"
+                              IsChecked="{Binding FollowSystemLanguage}" />
+
+                    <StackPanel Orientation="Horizontal" Spacing="16" IsEnabled="{Binding !FollowSystemLanguage}">
+                        <RadioButton GroupName="Language"
+                                     Content="{Binding SettingsChinese}"
+                                     IsChecked="{Binding IsChineseSelected}" />
+                        <RadioButton GroupName="Language"
+                                     Content="{Binding SettingsEnglish}"
+                                     IsChecked="{Binding IsEnglishSelected}" />
+                    </StackPanel>
+                </StackPanel>
+            </Border>
+
+            <!-- Network Settings -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="{Binding SettingsProxy}"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <CheckBox Content="{Binding SettingsProxyEnable}"
+                              IsChecked="{Binding IsProxyEnabled}" />
+
+                    <Grid ColumnDefinitions="*,Auto,120" IsEnabled="{Binding IsProxyEnabled}">
+                        <TextBox Grid.Column="0"
+                                 Text="{Binding ProxyIp}"
+                                 Watermark="{Binding SettingsProxyAddress}"
+                                 Margin="0,0,8,0" />
+                        <TextBlock Grid.Column="1"
+                                   Text=":"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,8,0" />
+                        <NumericUpDown Grid.Column="2"
+                                       Value="{Binding ProxyPort}"
+                                       Minimum="1"
+                                       Maximum="65535" />
+                    </Grid>
+                </StackPanel>
+            </Border>
+
+            <!-- Lyrics Settings -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="Lyrics"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <CheckBox Content="Enable translation lyrics"
+                              IsChecked="{Binding IsTranslationEnabled}" />
+
+                    <CheckBox Content="One-line mode (original + translation on same line)"
+                              IsChecked="{Binding IsOneLineMode}" />
+
+                    <CheckBox Content="Skip existing lyrics files"
+                              IsChecked="{Binding SkipExistingLyrics}" />
+
+                    <StackPanel Orientation="Horizontal" Spacing="16">
+                        <TextBlock Text="File Encoding:"
+                                   VerticalAlignment="Center" />
+                        <ComboBox ItemsSource="{Binding AvailableEncodings}"
+                                  SelectedItem="{Binding SelectedEncoding}"
+                                  Width="150" />
+                    </StackPanel>
+                </StackPanel>
+            </Border>
+
+            <!-- Lyrics Providers -->
+            <Border Background="{DynamicResource NavigationBackgroundBrush}"
+                    CornerRadius="8"
+                    Padding="24">
+                <StackPanel Spacing="16">
+                    <TextBlock Text="{Binding SettingsLyricsProvider}"
+                               FontSize="18"
+                               FontWeight="SemiBold" />
+
+                    <ItemsControl ItemsSource="{Binding LyricsProviders}">
+                        <ItemsControl.ItemTemplate>
+                            <DataTemplate x:DataType="vm:LyricsProviderSettingViewModel">
+                                <Border Background="{DynamicResource AppBackgroundBrush}"
+                                        CornerRadius="4"
+                                        Padding="12,8"
+                                        Margin="0,4">
+                                    <Grid ColumnDefinitions="Auto,*,Auto">
+                                        <CheckBox Grid.Column="0"
+                                                  IsChecked="{Binding IsEnabled}"
+                                                  Margin="0,0,12,0" />
+                                        <TextBlock Grid.Column="1"
+                                                   Text="{Binding Name}"
+                                                   VerticalAlignment="Center" />
+                                        <TextBlock Grid.Column="2"
+                                                   VerticalAlignment="Center"
+                                                   Opacity="0.5">
+                                            <Run Text="Priority: " />
+                                            <Run Text="{Binding Priority}" />
+                                        </TextBlock>
+                                    </Grid>
+                                </Border>
+                            </DataTemplate>
+                        </ItemsControl.ItemTemplate>
+                    </ItemsControl>
+                </StackPanel>
+            </Border>
+
+            <!-- Actions -->
+            <StackPanel Orientation="Horizontal" Spacing="16" HorizontalAlignment="Right">
+                <Button Content="{Binding SettingsReset}"
+                        Command="{Binding ResetToDefaultsCommand}" />
+            </StackPanel>
+        </StackPanel>
+    </ScrollViewer>
+
+</UserControl>
--- a/src/ZonyLrcTools.Desktop/Views/Pages/SettingsPage.axaml.cs
+++ b/src/ZonyLrcTools.Desktop/Views/Pages/SettingsPage.axaml.cs
@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace ZonyLrcTools.Desktop.Views.Pages;
+
+public partial class SettingsPage : UserControl
+{
+    public SettingsPage()
+    {
+        InitializeComponent();
+    }
+}
--- a/src/ZonyLrcTools.Desktop/ZonyLrcTools.Desktop.csproj
+++ b/src/ZonyLrcTools.Desktop/ZonyLrcTools.Desktop.csproj
@@ -0,0 +1,48 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <OutputType>WinExe</OutputType>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+        <ApplicationManifest>app.manifest</ApplicationManifest>
+        <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <!-- Avalonia -->
+        <PackageReference Include="Avalonia" />
+        <PackageReference Include="Avalonia.Desktop" />
+        <PackageReference Include="Avalonia.Themes.Fluent" />
+        <PackageReference Include="Avalonia.Fonts.Inter" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" />
+        <PackageReference Include="Avalonia.Diagnostics" Condition="'$(Configuration)' == 'Debug'" />
+        <!-- MVVM -->
+        <PackageReference Include="CommunityToolkit.Mvvm" />
+        <!-- DI & Hosting -->
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
+        <PackageReference Include="Microsoft.Extensions.Hosting" />
+        <!-- Logging -->
+        <PackageReference Include="Serilog.Extensions.Hosting" />
+        <PackageReference Include="Serilog.Sinks.File" />
+        <!-- Encoding -->
+        <PackageReference Include="System.Text.Encoding.CodePages" />
+        <!-- Localization -->
+        <PackageReference Include="Microsoft.Extensions.Localization" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\ZonyLrcTools.Common\ZonyLrcTools.Common.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <Content Include="..\ZonyLrcTools.Cli\config.yaml" Link="config.yaml">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
+        <Content Include="..\ZonyLrcTools.Cli\BlockWords.json" Link="BlockWords.json">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
+    </ItemGroup>
+
+</Project>
--- a/src/ZonyLrcTools.Desktop/app.manifest
+++ b/src/ZonyLrcTools.Desktop/app.manifest
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="ZonyLrcTools.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+</assembly>