0419 0318

更新4

lib/pages/home/home_page.dart

@@ -592,7 +592,7 @@ class _RecommendedSongsSection extends StatelessWidget {
               }
 
               return SizedBox(
-                height: 200,
+                height: 220,
                 child: ListView.builder(
                   scrollDirection: Axis.horizontal,
                   itemCount: songs.length,
@@ -664,7 +664,7 @@ class _SongItemCard extends StatelessWidget {
           ClipRRect(
             borderRadius: const BorderRadius.vertical(top: Radius.circular(12)),
             child: SizedBox(
-              height: 120,
+              height: 140,
               width: double.infinity,
               child: Image.network(
                 _getCoverUrl(song.id),

lib/pages/music/music_page.dart

@@ -24,8 +24,11 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
   // 筛选
   String _searchQuery = '';
   int? _filterLevelType;
-  String? _filterFromVersion;
-  String? _filterGenre;
+
+  // --- 修改点 1: 将单选 String? 改为多选 Set<String> ---
+  Set<String> _filterVersions = {};
+  Set<String> _filterGenres = {};
+
   double? _selectedMinLevel;
   double? _selectedMaxLevel;
   bool _isAdvancedFilterExpanded = false;
@@ -99,6 +102,8 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
       _allSongs = uniqueSongs.values.toList();
       _allSongs.sort((a, b) => (b.players ?? 0).compareTo(a.players ?? 0));
       _displaySongs = List.from(_allSongs);
+
+      // 更新可用选项
       _availableVersions = songs.map((s) => s.from).where((v) => v.isNotEmpty).toSet();
       _availableGenres = songs.map((s) => s.genre).where((g) => g.isNotEmpty).toSet();
 
@@ -110,7 +115,7 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
     }
   }
 
-  // 加载用户成绩 —— ✅ 修复 1：直接用完整ID存储
+  // 加载用户成绩
   Future<void> _loadUserScores() async {
     try {
       final userProvider = UserProvider.instance;
@@ -171,8 +176,12 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
         if (!match) return false;
       }
 
-      if (_filterFromVersion != null && song.from != _filterFromVersion) return false;
-      if (_filterGenre != null && song.genre != _filterGenre) return false;
+      // --- 修改点 2: 多选过滤逻辑 ---
+      // 如果选择了版本，歌曲版本必须在选中集合中
+      if (_filterVersions.isNotEmpty && !_filterVersions.contains(song.from)) return false;
+
+      // 如果选择了流派，歌曲流派必须在选中集合中
+      if (_filterGenres.isNotEmpty && !_filterGenres.contains(song.genre)) return false;
 
       if (_filterLevelType != null) {
         bool hasLevel = false;
@@ -248,8 +257,8 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
     setState(() {
       _searchQuery = '';
       _filterLevelType = null;
-      _filterFromVersion = null;
-      _filterGenre = null;
+      _filterVersions.clear(); // 清空集合
+      _filterGenres.clear();   // 清空集合
       _selectedMinLevel = null;
       _selectedMaxLevel = null;
     });
@@ -359,6 +368,123 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
     );
   }
 
+  // --- 新增：多选 Chip 构建器 ---
+  Widget _buildMultiSelectChip({
+    required String label,
+    required Set<String> selectedValues,
+    required Set<String> allOptions,
+    required Function(Set<String>) onSelectionChanged,
+  }) {
+    return InkWell(
+      onTap: () {
+        _showMultiSelectDialog(
+          context,
+          title: label,
+          allOptions: allOptions.toList()..sort(),
+          selectedValues: selectedValues,
+          onConfirm: (newSelection) {
+            setState(() {
+              onSelectionChanged(newSelection);
+            });
+            _applyFilters();
+          },
+        );
+      },
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
+        decoration: BoxDecoration(
+          border: Border.all(color: Colors.grey.shade400),
+          borderRadius: BorderRadius.circular(4),
+        ),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
+            Flexible(
+              child: Text(
+                selectedValues.isEmpty ? "全部" : "已选 ${selectedValues.length}",
+                style: TextStyle(color: Colors.grey[600], fontSize: 12),
+                overflow: TextOverflow.ellipsis,
+              ),
+            ),
+            const Icon(Icons.arrow_drop_down, color: Colors.grey),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _showMultiSelectDialog(
+      BuildContext context, {
+        required String title,
+        required List<String> allOptions,
+        required Set<String> selectedValues,
+        required Function(Set<String>) onConfirm,
+      }) {
+    // 临时存储选择状态
+    final tempSelection = Set<String>.from(selectedValues);
+
+    showDialog(
+      context: context,
+      builder: (ctx) {
+        return StatefulBuilder(
+          builder: (context, setDialogState) {
+            return AlertDialog(
+              title: Text(title),
+              content: SizedBox(
+                width: double.maxFinite,
+                child: ListView.builder(
+                  shrinkWrap: true,
+                  itemCount: allOptions.length,
+                  itemBuilder: (context, index) {
+                    final option = allOptions[index];
+                    final isSelected = tempSelection.contains(option);
+                    return CheckboxListTile(
+                      title: Text(option),
+                      value: isSelected,
+                      onChanged: (bool? value) {
+                        setDialogState(() {
+                          if (value == true) {
+                            tempSelection.add(option);
+                          } else {
+                            tempSelection.remove(option);
+                          }
+                        });
+                      },
+                      controlAffinity: ListTileControlAffinity.leading,
+                      dense: true,
+                    );
+                  },
+                ),
+              ),
+              actions: [
+                TextButton(
+                  onPressed: () {
+                    setDialogState(() {
+                      tempSelection.clear();
+                    });
+                  },
+                  child: const Text("清空"),
+                ),
+                TextButton(
+                  onPressed: () => Navigator.pop(ctx),
+                  child: const Text("取消"),
+                ),
+                ElevatedButton(
+                  onPressed: () {
+                    onConfirm(tempSelection);
+                    Navigator.pop(ctx);
+                  },
+                  child: const Text("确定"),
+                ),
+              ],
+            );
+          },
+        );
+      },
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -460,34 +586,27 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
               decoration: BoxDecoration(color: Colors.grey.withAlpha(20), border: Border(top: BorderSide(color: Colors.grey.shade300))),
               child: Column(
                 children: [
+                  // --- 修改点 3: UI 替换为多选 Chip ---
                   Row(
                     children: [
                       Expanded(
-                        child: _buildDropdown(
+                        child: _buildMultiSelectChip(
                           label: "版本",
-                          value: _filterFromVersion,
-                          items: [
-                            const DropdownMenuItem(value: null, child: Text("全部")),
-                            ..._availableVersions.map((v) => DropdownMenuItem(value: v, child: Text(v))).toList()
-                          ],
-                          onChanged: (v) {
-                            setState(() => _filterFromVersion = v);
-                            _applyFilters();
+                          selectedValues: _filterVersions,
+                          allOptions: _availableVersions,
+                          onSelectionChanged: (newSet) {
+                            _filterVersions = newSet;
                           },
                         ),
                       ),
                       const SizedBox(width: 8),
                       Expanded(
-                        child: _buildDropdown(
+                        child: _buildMultiSelectChip(
                           label: "流派",
-                          value: _filterGenre,
-                          items: [
-                            const DropdownMenuItem(value: null, child: Text("全部")),
-                            ..._availableGenres.map((g) => DropdownMenuItem(value: g, child: Text(g))).toList()
-                          ],
-                          onChanged: (v) {
-                            setState(() => _filterGenre = v);
-                            _applyFilters();
+                          selectedValues: _filterGenres,
+                          allOptions: _availableGenres,
+                          onSelectionChanged: (newSet) {
+                            _filterGenres = newSet;
                           },
                         ),
                       ),
@@ -517,10 +636,12 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
       ),
     );
   }
+
   String getLeftEllipsisText(String text, int maxLength) {
     if (text.length <= maxLength) return text;
     return '...${text.substring(text.length - maxLength + 3)}'; // +3 是因为 "..." 占3个字符
   }
+
   Widget _buildDropdown({required String label, required dynamic value, required List<DropdownMenuItem> items, required ValueChanged onChanged}) {
     return DropdownButtonFormField(
       value: value,
@@ -531,7 +652,13 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
     );
   }
 
-  bool _hasFilters() => _searchQuery.isNotEmpty || _filterLevelType != null || _filterFromVersion != null || _filterGenre != null || _selectedMinLevel != null || _selectedMaxLevel != null;
+  bool _hasFilters() =>
+      _searchQuery.isNotEmpty ||
+          _filterLevelType != null ||
+          _filterVersions.isNotEmpty || // 修改判断逻辑
+          _filterGenres.isNotEmpty ||   // 修改判断逻辑
+          _selectedMinLevel != null ||
+          _selectedMaxLevel != null;
 
   Widget _buildBody() {
     if (_isLoading) return const Center(child: CircularProgressIndicator());
@@ -558,33 +685,19 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
     if (song.ut != null && _userScoreCache.containsKey(100000 + song.id)) hasScore = true;
 
     // --- 新增：处理别名逻辑 ---
-    // 1. 获取原始列表
     List<String> rawAliases = song.albums ?? [];
-
-    // 2. 去重 (保留插入顺序可以使用 LinkedHashSet，或者简单转为 Set 再转 List)
-    // 注意：Set.from 可能会打乱顺序，如果顺序不重要可以直接用。
-    // 如果希望保持原顺序去重：
     final seen = <String>{};
     final uniqueAliases = rawAliases.where((alias) => seen.add(alias)).toList();
-
-    // 3. 过滤掉与标题或艺术家完全相同的重复项（可选，为了更整洁）
     final filteredAliases = uniqueAliases.where((alias) =>
     alias != song.title &&
         alias != song.artist
     ).toList();
 
-    // 4. 拼接字符串，如果太长则截断
-    // 我们设定一个最大显示长度或者最大行数，这里采用“尝试放入尽可能多的词，直到超过一定长度”的策略
     String aliasDisplayText = "";
     if (filteredAliases.isNotEmpty) {
-      // 尝试加入前 N 个别名，总长度控制在合理范围，例如 60-80 个字符，或者固定个数如 5-8 个
-      // 这里采用固定个数策略，因为每个词长度不一，固定个数更容易预测高度
       int maxAliasCount = 6;
       List<String> displayList = filteredAliases.take(maxAliasCount).toList();
-
       aliasDisplayText = displayList.join(" · ");
-
-      // 如果还有更多未显示的，加上省略提示
       if (filteredAliases.length > maxAliasCount) {
         aliasDisplayText += " ...";
       }
@@ -632,12 +745,10 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
                     ),
                   ),
                   const SizedBox(height: 2),
-                  // 这一行：id + 左侧标签
                   Row(
                     mainAxisAlignment: MainAxisAlignment.end,
                     crossAxisAlignment: CrossAxisAlignment.center,
                     children: [
-                      // 标签区域（cn / jp / m2l / long）
                       if (song.cn == true)
                         _buildTag(
                           "CN",
@@ -669,8 +780,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
                           ),
 
                         ),
-
-                      // id 文本
                       Text(
                         " ${song.id}",
                         style: const TextStyle(
@@ -703,7 +812,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
               Expanded(
                 child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
-                  // 关键：让内容在垂直方向上尽量分布，或者使用 MainAxisSize.min 配合 Spacer
                   mainAxisSize: MainAxisSize.min,
                   children: [
                     Text(
@@ -725,13 +833,12 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
                       const SizedBox(height: 6),
                       LayoutBuilder(
                         builder: (context, constraints) {
-                          // 可选：根据剩余宽度动态决定显示多少行，这里简单处理为最多2行
                           return Text(
                             aliasDisplayText,
                             style: TextStyle(
                               fontSize: 10,
                               color: Colors.grey[500],
-                              height: 1.2, // 紧凑行高
+                              height: 1.2,
                             ),
                             maxLines: 5,
                             overflow: TextOverflow.ellipsis,
@@ -757,16 +864,11 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
   }
   Widget _buildTag(
       String text, {
-        // 背景：纯色 或 渐变 二选一
         Color? backgroundColor,
         Gradient? gradient,
-
-        // 阴影配置
         Color? shadowColor,
         double shadowBlurRadius = 2,
         Offset shadowOffset = const Offset(0, 1),
-
-        // 可选样式扩展
         double borderRadius = 2,
         double fontSize = 8,
         Color textColor = Colors.white,
@@ -775,11 +877,9 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
       margin: const EdgeInsets.only(right: 3),
       padding: const EdgeInsets.symmetric(horizontal: 3, vertical: 1),
       decoration: BoxDecoration(
-        // 优先使用渐变，没有渐变则使用纯色
         color: gradient == null ? (backgroundColor ?? Colors.blueAccent) : null,
         gradient: gradient,
         borderRadius: BorderRadius.circular(borderRadius),
-        // 阴影：只有传入 shadowColor 才显示
         boxShadow: shadowColor != null
             ? [
           BoxShadow(
@@ -802,8 +902,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
   }
   List<Widget> _getDifficultyChipsByType(SongModel song) {
     final diffs = _getAllDifficultiesWithType(song);
-
-    // 按 type 分组：SD / DX / UT
     final Map<String, List<dynamic>> typeGroups = {};
     for (var item in diffs) {
       final type = item['type'] as String;
@@ -811,7 +909,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
       typeGroups[type]!.add(item);
     }
 
-    // 固定顺序：SD → DX → UT
     final order = ['SD', 'DX', 'UT'];
     List<Widget> rows = [];
 
@@ -819,7 +916,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
       final items = typeGroups[type];
       if (items == null || items.isEmpty) continue;
 
-      // 每一个类型 = 一行 Wrap
       final row = Wrap(
         spacing: 6,
         runSpacing: 4,
@@ -837,8 +933,6 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
 
           if (isBanquet) {
             color = Colors.pinkAccent;
-
-            // 多UT按ID显示对应名称
             if (type == 'UT') {
               final utTitleMap = song.utTitle as Map?;
               if (utTitleMap != null && utTitleMap.isNotEmpty) {
@@ -882,7 +976,7 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
           }
 
           return Container(
-            padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
+            padding: const EdgeInsets.symmetric(horizontal: 2, vertical: 1),
             decoration: BoxDecoration(
               color: color.withOpacity(hasScore ? 0.25 : 0.1),
               borderRadius: BorderRadius.circular(4),
@@ -892,7 +986,7 @@ class _MusicPageState extends State<MusicPage> with SingleTickerProviderStateMix
               isBanquet ? label : "$label ${lvValue.toStringAsFixed(1)}",
               style: TextStyle(
                 color: color,
-                fontSize: 10,
+                fontSize: 9,
                 fontWeight: FontWeight.bold,
               ),
             ),

lib/pages/music/score_single.dart

@@ -1,10 +1,15 @@
+import 'dart:io';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'package:path_provider/path_provider.dart';
+import 'package:open_file/open_file.dart'; // 引入打开文件的包
 import '../../../model/song_model.dart';
 import '../../../providers/user_provider.dart';
 import '../../../service/song_service.dart';
 import '../../../service/user_service.dart';
 import '../../../widgets/score_progress_chart.dart';
+import '../../tool/gradientText.dart';
 
 class SongDetailPage extends StatefulWidget {
   final SongModel song;
@@ -22,8 +27,11 @@ class SongDetailPage extends StatefulWidget {
 
 class _SongDetailPageState extends State<SongDetailPage> {
   String? _selectedType;
+  bool _isAliasExpanded = false;
+
+  // 用于跟踪下载状态，key为 "type_levelId"
+  final Map<String, bool> _isDownloading = {};
 
-  // 缓存图表数据: Key为 "SD" / "DX" / "UT_realId"
   final Map<String, List<Map<String, dynamic>>> _chartDataCache = {};
   final Map<String, bool> _isLoadingChart = {};
 
@@ -74,9 +82,90 @@ class _SongDetailPageState extends State<SongDetailPage> {
     return all;
   }
 
-  // 核心：SD/DX 只加载一次，UT 每个谱面加载一次
+  // ===================== 【新增】下载并打开 ADX 谱面功能 =====================
+  Future<void> _downloadAndOpenAdx(String type, Map diff) async {
+    int levelId = diff['level_id'] ?? 0;
+    String downloadKey = "${type}_$levelId";
+
+    // 防止重复点击
+    if (_isDownloading[downloadKey] == true) return;
+
+    setState(() {
+      _isDownloading[downloadKey] = true;
+    });
+
+    try {
+      // 1. 构建 URL
+      int songId = widget.song.id;
+      String url;
+
+      // UT 谱面通常没有标准的 CDN adx 下载地址，这里只处理 SD 和 DX
+      if (type == 'UT') {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text("UT 宴会谱暂不支持直接下载 ADX 文件")),
+        );
+        setState(() => _isDownloading[downloadKey] = false);
+        return;
+      }
+
+      if (type == 'SD') {
+        // SD: cdn.godserver.cn/resource/static/adx/00000/{songId}.adx
+        String idStr = songId.toString().padLeft(5, '0');
+        url = "https://cdn.godserver.cn/resource/static/adx/$idStr.adx";
+      } else {
+        // DX: cdn.godserver.cn/resource/static/adx/00000/{songId+10000}.adx
+        int dxId = songId + 10000;
+        String idStr = dxId.toString().padLeft(5, '0');
+        url = "https://cdn.godserver.cn/resource/static/adx/$idStr.adx";
+      }
+
+      // 2. 下载文件
+      final response = await http.get(Uri.parse(url));
+
+      if (response.statusCode != 200) {
+        throw Exception("下载失败: HTTP ${response.statusCode}");
+      }
+
+      // 3. 获取临时目录并保存文件
+      final directory = await getApplicationDocumentsDirectory();
+      // 注意：iOS 上 getApplicationDocumentsDirectory 是持久化的。
+      // 如果希望每次下载都清理，可以使用 getTemporaryDirectory()。
+      // 这里为了稳定性，使用 DocumentsDirectory，但文件名保持唯一性。
+
+      // 生成文件名: SongTitle_Type_Level.adx
+      String safeTitle = widget.song.title?.replaceAll(RegExp(r'[^\w\s\u4e00-\u9fa5]'), '_') ?? "song";
+      String fileName = "${safeTitle}_${type}_Lv${levelId}.adx";
+
+      // 确保文件名不冲突，可以加时间戳或者随机数，这里简单处理
+      final filePath = "${directory.path}/$fileName";
+      final file = File(filePath);
+
+      await file.writeAsBytes(response.bodyBytes);
+
+      // 4. 调用系统原生打开
+      // open_file 会尝试寻找能打开 .adx 的应用
+      final result = await OpenFile.open(filePath);
+
+      if (result.type != ResultType.done) {
+        // 如果没有安装能打开 adx 的应用，提示用户
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text("无法打开文件: ${result.message}，请确保已安装谱面编辑器")),
+        );
+      }
+
+    } catch (e) {
+      print("Download error: $e");
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text("下载出错: $e")),
+      );
+    } finally {
+      setState(() {
+        _isDownloading[downloadKey] = false;
+      });
+    }
+  }
+
   Future<void> _loadTypeChartData(String type) async {
-    // 已经加载/正在加载 → 直接返回
     if (_chartDataCache.containsKey(type) || _isLoadingChart[type] == true) {
       return;
     }
@@ -94,7 +183,6 @@ class _SongDetailPageState extends State<SongDetailPage> {
         return;
       }
 
-      // 获取当前类型的 API ID
       int apiMusicId;
       if (type == 'SD') {
         apiMusicId = widget.song.id;
@@ -105,11 +193,9 @@ class _SongDetailPageState extends State<SongDetailPage> {
         return;
       }
 
-      // 调用一次 API，拿到全部难度数据
       final logs = await UserService.getChartLog(token, [apiMusicId]);
       logs.sort((a, b) => a.time.compareTo(b.time));
 
-      // 转换数据
       final chartList = logs.map((log) => {
         'achievement': log.segaChartNew?.achievement ?? 0,
         'time': log.time,
@@ -118,7 +204,7 @@ class _SongDetailPageState extends State<SongDetailPage> {
         'syncStatus': log.segaChartNew?.syncStatus ?? 0,
         'deluxscoreMax': log.segaChartNew?.deluxscoreMax ?? 0,
         'playCount': log.segaChartNew?.playCount ?? 0,
-        'level': log.segaChartNew?.level ?? 0, // 保存难度等级用于过滤
+        'level': log.segaChartNew?.level ?? 0,
       }).toList();
 
       setState(() {
@@ -131,7 +217,6 @@ class _SongDetailPageState extends State<SongDetailPage> {
     }
   }
 
-  // UT 单独加载
   Future<void> _loadUtChartData(String cacheKey, int realId) async {
     if (_chartDataCache.containsKey(cacheKey) || _isLoadingChart[cacheKey] == true) {
       return;
@@ -170,6 +255,73 @@ class _SongDetailPageState extends State<SongDetailPage> {
     }
   }
 
+  Widget _buildAliasSection(List<String> rawAliases) {
+    final uniqueAliases = rawAliases
+        .where((e) => e != null && e.trim().isNotEmpty)
+        .map((e) => e.trim())
+        .toSet()
+        .toList();
+
+    if (uniqueAliases.isEmpty) return const SizedBox.shrink();
+
+    final displayLimit = _isAliasExpanded ? uniqueAliases.length : 3;
+    final displayedAliases = uniqueAliases.take(displayLimit).toList();
+    final hasMore = uniqueAliases.length > 3;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Wrap(
+          spacing: 6.0,
+          runSpacing: 4.0,
+          children: [
+            ...displayedAliases.map((alias) => Container(
+              decoration: BoxDecoration(
+                color: Colors.grey.shade100,
+                borderRadius: BorderRadius.circular(4),
+                border: Border.all(color: Colors.grey.shade300, width: 0.5),
+              ),
+              padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+              child: Text(
+                alias,
+                style: TextStyle(
+                  fontSize: 11,
+                  color: Colors.grey[700],
+                  fontStyle: FontStyle.italic,
+                ),
+              ),
+            )).toList(),
+          ],
+        ),
+        if (hasMore)
+          InkWell(
+            onTap: () {
+              setState(() {
+                _isAliasExpanded = !_isAliasExpanded;
+              });
+            },
+            child: Padding(
+              padding: const EdgeInsets.only(top: 4),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(
+                    _isAliasExpanded ? "收起" : "查看更多 (${uniqueAliases.length - 3})",
+                    style: TextStyle(fontSize: 11),
+                  ),
+                  Icon(
+                    _isAliasExpanded ? Icons.keyboard_arrow_up : Icons.keyboard_arrow_down,
+                    size: 14,
+                    color: Theme.of(context).primaryColor,
+                  ),
+                ],
+              ),
+            ),
+          ),
+      ],
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final coverUrl = _getCoverUrl(widget.song.id);
@@ -177,129 +329,133 @@ class _SongDetailPageState extends State<SongDetailPage> {
     final availableTypes = _getAvailableTypes();
 
     return Scaffold(
-      appBar: AppBar(title: Text(widget.song.title ?? "歌曲详情")),
+      appBar: AppBar(
+        title: Text(widget.song.title ?? "歌曲详情"),
+        elevation: 2,
+      ),
       body: SingleChildScrollView(
-        padding: const EdgeInsets.all(16),
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 16),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            // 歌曲封面 + 信息
-            Row(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              // 修复：这里缺少了括号
-              children: [
-                ClipRRect(
-                  borderRadius: BorderRadius.circular(12),
-                  child: Image.network(
-                    coverUrl,
-                    width: 120,
-                    height: 120,
-                    fit: BoxFit.cover,
-                    errorBuilder: (_, __, ___) => Container(
-                      width: 120,
-                      height: 120,
-                      color: Colors.grey[200],
-                      child: const Icon(Icons.music_note, size: 40),
-                    ),
-                  ),
-                ),
-                const SizedBox(width: 16),
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        "[${widget.song.id}] ${widget.song.title}",
-                        style: const TextStyle(
-                          fontSize: 18,
-                          fontWeight: FontWeight.bold,
+            Card(
+              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+              elevation: 4,
+              shadowColor: Colors.purpleAccent.withOpacity(0.2),
+              child: Padding(
+                padding: const EdgeInsets.all(14),
+                child: Row(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    ClipRRect(
+                      borderRadius: BorderRadius.circular(10),
+                      child: Image.network(
+                        coverUrl,
+                        width: 90,
+                        height: 90,
+                        fit: BoxFit.cover,
+                        errorBuilder: (_, __, ___) => Container(
+                          width: 90,
+                          height: 90,
+                          color: Colors.grey[200],
+                          child: const Icon(Icons.music_note, size: 36),
                         ),
                       ),
-                      const SizedBox(height: 4),
-                      Text(
-                        "艺术家：${widget.song.artist ?? '未知'}",
-                        style: const TextStyle(fontSize: 14),
-                      ),
-                      Text(
-                        "流派：${widget.song.genre}  |  版本：${widget.song.from}",
-                        style: const TextStyle(fontSize: 13, color: Colors.grey),
-                      ),
-                      Text(
-                        "BPM：${widget.song.bpm ?? '未知'}",
-                        style: const TextStyle(fontSize: 13, color: Colors.grey),
-                      ),
-                    ],
-                  ),
-                ),
-              ],
-            ),
-            const SizedBox(height: 24),
-
-            // 难度选择器
-            if (availableTypes.length > 1) ...[
-              Row(
-                children: [
-                  const Text(
-                    "难度详情",
-                    style: TextStyle(
-                      fontSize: 17,
-                      fontWeight: FontWeight.bold,
                     ),
-                  ),
-                  const SizedBox(width: 10),
-                  Expanded(
-                    child: CupertinoSlidingSegmentedControl<String>(
-                      groupValue: _selectedType,
-                      backgroundColor: Colors.grey.shade200,
-                      thumbColor: Theme.of(context).primaryColor.withOpacity(0.8),
-                      children: {
-                        for (var type in availableTypes)
-                          type: Padding(
-                            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
-                            child: Text(
-                              type,
-                              style: TextStyle(
-                                color: _selectedType == type ? Colors.white : Colors.black87,
-                                fontWeight: FontWeight.bold,
-                              ),
+                    const SizedBox(width: 14),
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Text(
+                            "[${widget.song.id}] ${widget.song.title}",
+                            style: const TextStyle(
+                              fontSize: 17,
+                              fontWeight: FontWeight.bold,
                             ),
+                            maxLines: 2,
+                            overflow: TextOverflow.ellipsis,
                           ),
-                      },
-                      onValueChanged: (value) {
-                        if (value != null) {
-                          setState(() {
-                            _selectedType = value;
-                          });
-                        }
-                      },
+                          const SizedBox(height: 6),
+                          Text(
+                            "艺术家：${widget.song.artist ?? '未知'}",
+                            style: const TextStyle(fontSize: 13),
+                          ),
+                          const SizedBox(height: 4),
+                          if (widget.song.albums?.isNotEmpty == true)
+                            _buildAliasSection(widget.song.albums!),
+                          const SizedBox(height: 6),
+                          Text(
+                            "${widget.song.genre ?? ''}  |  ${widget.song.from ?? ''}",
+                            style: TextStyle(fontSize: 12, color: Colors.grey[600]),
+                          ),
+                          const SizedBox(height: 2),
+                          Text(
+                            "BPM：${widget.song.bpm ?? '未知'}",
+                            style: TextStyle(fontSize: 12, color: Colors.grey[600]),
+                          ),
+                        ],
+                      ),
                     ),
-                  ),
-                ],
+                  ],
+                ),
               ),
-            ] else ...[
-              const Text(
-                "难度详情",
-                style: TextStyle(fontSize: 17, fontWeight: FontWeight.bold),
-              ),
-            ],
-            const SizedBox(height: 12),
+            ),
+
+            const SizedBox(height: 20),
+
+            if (availableTypes.isNotEmpty) ...[
+              Padding(
+                padding: const EdgeInsets.symmetric(horizontal: 4),
+                child: Row(
+                  children: [
+                    const Text(
+                      "难度详情",
+                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+                    ),
+                    const SizedBox(width: 12),
+                    if (availableTypes.length > 1)
+                      Expanded(
+                        child: CupertinoSlidingSegmentedControl<String>(
+                          groupValue: _selectedType,
+                          backgroundColor: Colors.grey.shade200,
+                          thumbColor: Theme.of(context).primaryColor,
+                          children: {
+                            for (var type in availableTypes)
+                              type: Padding(
+                                padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
+                                child: Text(
+                                  type,
+                                  style: TextStyle(
+                                    color: _selectedType == type ? Colors.white : Colors.black87,
+                                    fontWeight: FontWeight.w600,
+                                  ),
+                                ),
+                              ),
+                          },
+                          onValueChanged: (val) {
+                            if (val != null) setState(() => _selectedType = val);
+                          },
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+              const SizedBox(height: 12),
+            ],
 
-            // 难度列表
             if (diffs.isEmpty)
-              Center(
+              const Center(
                 child: Padding(
-                  padding: const EdgeInsets.all(20.0),
-                  child: Text(
-                    "暂无 ${_selectedType ?? ''} 谱面数据",
-                    style: const TextStyle(color: Colors.grey),
-                  ),
+                  padding: EdgeInsets.all(30),
+                  child: Text("暂无谱面数据", style: TextStyle(color: Colors.grey)),
                 ),
               )
             else
               ...diffs.map((item) => _diffItem(
                 type: item['type'],
                 diff: item['diff'],
-              )).toList(),
+              )),
 
             const SizedBox(height: 30),
           ],
@@ -310,8 +466,7 @@ class _SongDetailPageState extends State<SongDetailPage> {
 
   Widget _diffItem({required String type, required Map diff}) {
     int levelId = diff['level_id'] ?? 0;
-    final double lvValue =
-        double.tryParse(diff['level_value']?.toString() ?? '') ?? 0;
+    final double lvValue = double.tryParse(diff['level_value']?.toString() ?? '') ?? 0;
     final designer = diff['note_designer'] ?? "-";
     final notes = diff['notes'] ?? <String, dynamic>{};
     final total = notes['total'] ?? 0;
@@ -323,9 +478,7 @@ class _SongDetailPageState extends State<SongDetailPage> {
     int realId;
     String? utTitleName;
     String cacheKey = "";
-    bool hasScoreData = false;
 
-    // 加载逻辑：SD/DX 只加载一次，UT 每个加载一次
     if (type == 'UT') {
       realId = (diff['id'] as num?)?.toInt() ?? 0;
       final utTitleMap = widget.song.utTitle as Map?;
@@ -339,31 +492,26 @@ class _SongDetailPageState extends State<SongDetailPage> {
       });
     } else {
       realId = _getRealMusicId(type);
-      cacheKey = type; // SD/DX 用类型做缓存 key
+      cacheKey = type;
       WidgetsBinding.instance.addPostFrameCallback((_) {
         _loadTypeChartData(type);
       });
     }
 
-    // 图表数据：SD/DX 自动过滤当前难度，UT 直接使用
     List<Map<String, dynamic>> chartHistory = [];
     if (_chartDataCache.containsKey(cacheKey)) {
       if (type == 'UT') {
         chartHistory = _chartDataCache[cacheKey]!;
       } else {
-        // SD/DX 从全量数据中过滤当前难度
         chartHistory = _chartDataCache[cacheKey]!
             .where((e) => e['level'] == levelId)
             .toList();
       }
     }
-    hasScoreData = chartHistory.isNotEmpty;
-
-    // 成绩信息
+    bool hasScoreData = chartHistory.isNotEmpty;
     final score = widget.userScoreCache[realId]?[levelId];
     bool hasUserScore = score != null;
 
-    // 显示名称与颜色
     String name = "";
     Color color = Colors.grey;
     bool isBanquet = type == 'UT';
@@ -382,11 +530,23 @@ class _SongDetailPageState extends State<SongDetailPage> {
       }
     }
 
+    final rating990 = _calculateRating(lvValue, 99.0);
+    final rating995 = _calculateRating(lvValue, 99.5);
+    final rating1000 = _calculateRating(lvValue, 100.0);
+    final rating1003 = _calculateRating(lvValue, 100.3);
+    final rating1005 = _calculateRating(lvValue, 100.5);
+
+    // 下载状态的 Key
+    String downloadKey = "${type}_$levelId";
+    bool isDownloading = _isDownloading[downloadKey] ?? false;
+
     return Card(
-      margin: const EdgeInsets.only(bottom: 10),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+      margin: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
+      elevation: 5,
+      shadowColor: color.withOpacity(0.2),
       child: Padding(
-        padding: const EdgeInsets.all(14),
+        padding: const EdgeInsets.all(16),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
@@ -394,11 +554,11 @@ class _SongDetailPageState extends State<SongDetailPage> {
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
                 Container(
-                  padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                  padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
                   decoration: BoxDecoration(
                     color: color.withOpacity(0.15),
-                    borderRadius: BorderRadius.circular(6),
-                    border: Border.all(color: color.withOpacity(0.3)),
+                    borderRadius: BorderRadius.circular(8),
+                    border: Border.all(color: color.withOpacity(0.4), width: 1.2),
                   ),
                   child: Text(
                     isBanquet ? name : "$name (${lvValue.toStringAsFixed(1)})",
@@ -409,20 +569,116 @@ class _SongDetailPageState extends State<SongDetailPage> {
                     ),
                   ),
                 ),
-                if (hasUserScore)
-                  const Icon(Icons.star, color: Colors.amber, size: 20),
+                Row(
+                  children: [
+                    if (hasUserScore)
+                      const Icon(Icons.star_rounded, color: Colors.amber, size: 22),
+
+                    // ===================== 【新增】下载/预览按钮 =====================
+                    const SizedBox(width: 8),
+                    InkWell(
+                      onTap: isDownloading || type == 'UT' ? null : () {
+                        _downloadAndOpenAdx(type, diff);
+                      },
+                      borderRadius: BorderRadius.circular(20),
+                      child: Container(
+                        padding: const EdgeInsets.all(6),
+                        decoration: BoxDecoration(
+                          color: type == 'UT' ? Colors.grey.shade300 : Theme.of(context).primaryColor.withOpacity(0.1),
+                          shape: BoxShape.circle,
+                        ),
+                        child: isDownloading
+                            ? SizedBox(
+                          width: 16,
+                          height: 16,
+                          child: CircularProgressIndicator(
+                            strokeWidth: 2,
+                            valueColor: AlwaysStoppedAnimation<Color>(color),
+                          ),
+                        )
+                            : Icon(
+                          Icons.download_rounded,
+                          size: 18,
+                          color: type == 'UT' ? Colors.grey : color,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
               ],
             ),
+            const SizedBox(height: 10),
+            Text("谱师：$designer", style: const TextStyle(fontSize: 14)),
             const SizedBox(height: 8),
-            Text("谱师：$designer", style: const TextStyle(fontSize: 13)),
-            const SizedBox(height: 4),
-            Text(
-              "物量：$total | TAP:$tap HOLD:$hold SLIDE:$slide BRK:$brk",
-              style: const TextStyle(color: Colors.grey, fontSize: 12),
+
+            Table(
+              columnWidths: const {
+                0: FixedColumnWidth(40),
+                1: FixedColumnWidth(40),
+                2: FixedColumnWidth(40),
+                3: FixedColumnWidth(40),
+                4: FixedColumnWidth(40),
+              },
+              children: [
+                TableRow(
+                  children: [
+                    _tableCell("总物量", color),
+                    _tableCell("TAP", color),
+                    _tableCell("HOLD", color),
+                    _tableCell("SLIDE", color),
+                    _tableCell("BRK", color),
+                  ],
+                ),
+                TableRow(
+                  children: [
+                    _tableCell(total.toString(), color, isHeader: false),
+                    _tableCell(tap.toString(), color, isHeader: false),
+                    _tableCell(hold.toString(), color, isHeader: false),
+                    _tableCell(slide.toString(), color, isHeader: false),
+                    _tableCell(brk.toString(), color, isHeader: false),
+                  ],
+                ),
+              ],
+            ),
+            const SizedBox(height: 10),
+
+            Table(
+              columnWidths: const {
+                0: FixedColumnWidth(50),
+                1: FixedColumnWidth(50),
+                2: FixedColumnWidth(50),
+                3: FixedColumnWidth(50),
+                4: FixedColumnWidth(50),
+                5: FixedColumnWidth(50),
+              },
+              children: [
+                TableRow(
+                  children: [
+                    _tableCell("完成度", color),
+                    _tableCell("99.0%", color),
+                    _tableCell("99.5%", color),
+                    _tableCell("100.0%", color),
+                    _tableCell("100.3%", color),
+                    _tableCell("100.5%", color),
+                    _tableCell("", color),
+                  ],
+                ),
+                TableRow(
+                  children: [
+                    _tableCell("Rating", color, isHeader: false),
+                    _tableCell(rating990.toStringAsFixed(2), color, isHeader: false),
+                    _tableCell(rating995.toStringAsFixed(2), color, isHeader: false),
+                    _tableCell(rating1000.toStringAsFixed(2), color, isHeader: false),
+                    _tableCell(rating1003.toStringAsFixed(2), color, isHeader: false),
+                    _tableCell(rating1005.toStringAsFixed(2), color, isHeader: false),
+                    _tableCell("", color, isHeader: false),
+                  ],
+                ),
+              ],
             ),
 
-            const SizedBox(height: 12),
-            // ✅ 修复：没有成绩直接显示文字，绝不显示加载圈
+            const SizedBox(height: 14),
+
             if (hasScoreData)
               Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
@@ -430,30 +686,32 @@ class _SongDetailPageState extends State<SongDetailPage> {
                   Row(
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
-                      const Text("推分进程", style: TextStyle(fontSize: 12, color: Colors.grey)),
+                      const Text("推分进程", style: TextStyle(fontSize: 13, color: Colors.grey)),
                       Text(
                         "最近: ${(chartHistory.last['achievement'] / 10000.0).toStringAsFixed(4)}%",
-                        style: TextStyle(fontSize: 12, color: color),
+                        style: TextStyle(fontSize: 13, color: color, fontWeight: FontWeight.w600),
                       ),
                     ],
                   ),
-                  const SizedBox(height: 4),
+                  const SizedBox(height: 8),
                   ScoreProgressChart(
                     historyScores: chartHistory,
                     lineColor: color,
                     fillColor: color,
                   ),
-                  const SizedBox(height: 5),
                 ],
               )
             else
-              const Text("暂无历史记录", style: TextStyle(fontSize: 12, color: Colors.grey)),
+              const Padding(
+                padding: EdgeInsets.symmetric(vertical: 8),
+                child: Text("暂无历史记录", style: TextStyle(fontSize: 13, color: Colors.grey)),
+              ),
 
             if (hasUserScore) ...[
-              const SizedBox(height: 10),
-              const Divider(height: 1),
-              const SizedBox(height: 6),
-              _buildScoreInfo(score!),
+              const SizedBox(height: 12),
+              Divider(height: 1, color: Colors.grey[300]),
+              const SizedBox(height: 12),
+              _buildScoreInfo(score!,diff),
             ],
           ],
         ),
@@ -461,41 +719,212 @@ class _SongDetailPageState extends State<SongDetailPage> {
     );
   }
 
-  Widget _buildScoreInfo(Map score) {
+  Widget _tableCell(String text, Color color, {bool isHeader = true}) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.symmetric(vertical: 4),
+        child: Text(
+          text,
+          style: TextStyle(
+            fontSize: isHeader ? 11 : 12,
+            color: isHeader ? color : color.withOpacity(0.99),
+            fontWeight: isHeader ? FontWeight.bold : FontWeight.w500,
+          ),
+        ),
+      ),
+    );
+  }
+
+  static int _calculateRating(double diff, double achievementPercent) {
+    double sys = 22.4;
+    double ach = achievementPercent;
+
+    if (ach >= 100.5000) {
+      return (diff * 22.512).floor();
+    }
+    if (ach == 100.4999) {
+      sys = 22.2;
+    } else if (ach >= 100.0000) {
+      sys = 21.6;
+    } else if (ach == 99.9999) {
+      sys = 21.4;
+    } else if (ach >= 99.5000) {
+      sys = 21.1;
+    } else if (ach >= 99.0000) {
+      sys = 20.8;
+    } else if (ach >= 98.0000) {
+      sys = 20.3;
+    } else if (ach >= 97.0000) {
+      sys = 20.0;
+    } else if (ach >= 94.0000) {
+      sys = 16.8;
+    } else if (ach >= 90.0000) {
+      sys = 15.2;
+    } else if (ach >= 80.0000) {
+      sys = 13.6;
+    } else if (ach >= 75.0000) {
+      sys = 12.0;
+    } else if (ach >= 70.0000) {
+      sys = 11.2;
+    } else if (ach >= 60.0000) {
+      sys = 9.6;
+    } else if (ach >= 50.0000) {
+      sys = 8.0;
+    } else {
+      sys = 0.0;
+    }
+
+    if (sys == 0.0) return 0;
+    return (diff * sys * ach / 100).floor();
+  }
+
+  Widget _buildScoreInfo(Map<String, dynamic> score, Map diff) {
     final ach = (score['achievement'] ?? 0) / 10000;
     final rank = _getRankText(score['scoreRank'] ?? 0);
-    final combo = _comboText(score['comboStatus'] ?? 0);
-    final sync = _syncText(score['syncStatus'] ?? 0);
     final dxScore = score['deluxscoreMax'] ?? 0;
     final playCount = score['playCount'] ?? 0;
+    final rating = score['rating'] ?? 0;
 
-    return Column(
+    int comboStatus = score['comboStatus'] ?? 0;
+    int syncStatus = score['syncStatus'] ?? 0;
+
+    Color achColor = _getColorByAchievement(ach);
+    Color rankColor = _getColorByRank(rank);
+
+    int totalNotes = diff['notes']['total'] ?? 0;
+    int allDx = totalNotes * 3;
+    double perc = allDx > 0 ? dxScore / allDx : 0.0;
+
+    String? comboIconPath;
+    switch (comboStatus) {
+      case 1: comboIconPath = "images/UI_MSS_MBase_Icon_FC.png"; break;
+      case 2: comboIconPath = "images/UI_MSS_MBase_Icon_FCp.png"; break;
+      case 3: comboIconPath = "images/UI_MSS_MBase_Icon_AP.png"; break;
+      case 4: comboIconPath = "images/UI_MSS_MBase_Icon_APp.png"; break;
+    }
+
+    String? syncIconPath;
+    switch (syncStatus) {
+      case 1: syncIconPath = "images/UI_MSS_MBase_Icon_FS.png"; break;
+      case 2: syncIconPath = "images/UI_MSS_MBase_Icon_FSp.png"; break;
+      case 3: syncIconPath = "images/UI_MSS_MBase_Icon_FSD.png"; break;
+      case 4: syncIconPath = "images/UI_MSS_MBase_Icon_FSDp.png"; break;
+      case 5: syncIconPath = "images/UI_MSS_MBase_Icon_Sync.png"; break;
+    }
+
+    return Row(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        const Text("你的成绩：",
-            style: TextStyle(fontWeight: FontWeight.bold, fontSize: 13)),
-        const SizedBox(height: 4),
-        Row(
-          children: [
-            Text("达成率：${ach.toStringAsFixed(4)}%",
-                style: TextStyle(
-                    color: _getColorByAchievement(ach),
-                    fontWeight: FontWeight.bold)),
-            const Spacer(),
-            Text("评级：$rank",
-                style: TextStyle(
-                    color: _getColorByRank(rank), fontWeight: FontWeight.bold)),
-          ],
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              const Row(
+                children: [
+                  Icon(Icons.emoji_events_rounded, color: Colors.amber, size: 18),
+                  SizedBox(width: 4),
+                  Text(
+                    "你的成绩",
+                    style: TextStyle(
+                      fontWeight: FontWeight.bold,
+                      fontSize: 15,
+                      height: 1.1,
+                    ),
+                  ),
+                ],
+              ),
+              const SizedBox(height: 10),
+              Row(
+                crossAxisAlignment: CrossAxisAlignment.end,
+                children: [
+                  GradientText(
+                    data:  "${ach.toStringAsFixed(4)}%",
+                    style: const TextStyle(fontSize: 30, fontWeight: FontWeight.bold),
+                    gradientLayers: [
+                      GradientLayer(
+                        gradient: const LinearGradient(
+                          colors: [Colors.pinkAccent, Colors.blue],
+                        ),
+                        blendMode: BlendMode.srcIn,
+                      ),
+                    ],
+                  ),
+                  const SizedBox(width: 8),
+                  _buildTag(rank, rankColor),
+                  if (comboIconPath != null)
+                    Padding(
+                      padding: const EdgeInsets.only(left: 2),
+                      child: Image.asset(comboIconPath, width: 40, height: 40),
+                    ),
+                  if (syncIconPath != null)
+                    Padding(
+                      padding: const EdgeInsets.only(left: 4),
+                      child: Image.asset(syncIconPath, width: 40, height: 40),
+                    ),
+                ],
+              ),
+              const SizedBox(height: 12),
+              Row(
+                children: [
+                  const Icon(Icons.score_rounded, size: 14, color: Colors.blueGrey),
+                  const SizedBox(width: 4),
+                  Text("DX：$dxScore / $allDx", style: TextStyle(fontSize: 13, color: Colors.grey[700])),
+                  const SizedBox(width: 10),
+                  if (perc >= 0.85)
+                    Padding(
+                      padding: const EdgeInsets.only(right: 4),
+                      child: _getDxStarIcon(perc),
+                    ),
+                  const Spacer(),
+                  Icon(Icons.star_rate_rounded, size: 14, color: Colors.amber),
+                  const SizedBox(width: 3),
+                  Text("Rating：$rating", style: TextStyle(fontSize: 12, color: Colors.grey[700], fontWeight: FontWeight.w500)),
+                  const SizedBox(width: 10),
+                  Icon(Icons.play_circle_outline_rounded, size: 14, color: Colors.grey[600]),
+                  const SizedBox(width: 3),
+                  Text("$playCount 次", style: TextStyle(fontSize: 12, color: Colors.grey[600])),
+                ],
+              ),
+            ],
+          ),
         ),
-        const SizedBox(height: 2),
-        Text("Combo：$combo | Sync：$sync",
-            style: const TextStyle(fontSize: 12, color: Colors.blueGrey)),
-        Text("DX分数：$dxScore | 游玩次数：$playCount",
-            style: const TextStyle(fontSize: 12, color: Colors.grey)),
       ],
     );
   }
 
+  Widget _getDxStarIcon(double perc) {
+    String assetPath;
+    if (perc >= 0.97) {
+      assetPath = "images/UI_GAM_Gauge_DXScoreIcon_05.png";
+    } else if (perc >= 0.95) {
+      assetPath = "images/UI_GAM_Gauge_DXScoreIcon_04.png";
+    } else if (perc >= 0.93) {
+      assetPath = "images/UI_GAM_Gauge_DXScoreIcon_03.png";
+    } else if (perc >= 0.90) {
+      assetPath = "images/UI_GAM_Gauge_DXScoreIcon_02.png";
+    } else if (perc >= 0.85) {
+      assetPath = "images/UI_GAM_Gauge_DXScoreIcon_01.png";
+    } else {
+      return const SizedBox();
+    }
+    return Image.asset(assetPath, width: 30, height: 30, fit: BoxFit.contain);
+  }
+
+  Widget _buildTag(String text, Color color) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
+      decoration: BoxDecoration(
+        color: color.withOpacity(0.15),
+        borderRadius: BorderRadius.circular(8),
+        border: Border.all(color: color.withOpacity(0.5), width: 1.2),
+      ),
+      child: Text(
+        text,
+        style: TextStyle(color: color, fontWeight: FontWeight.bold, fontSize: 14),
+      ),
+    );
+  }
+
   Color _getColorByAchievement(double ach) {
     if (ach >= 100.5) return const Color(0xFFD4AF37);
     if (ach >= 100.0) return Colors.purple;
@@ -507,9 +936,10 @@ class _SongDetailPageState extends State<SongDetailPage> {
   }
 
   Color _getColorByRank(String rank) {
+    if (rank.contains("SSS+")) return const Color(0xFFD4AF37);
     if (rank.contains("SSS")) return Colors.purple;
-    if (rank.contains("SS")) return Colors.deepPurple;
-    if (rank.contains("S")) return Colors.blue;
+    if (rank.contains("SS+") || rank.contains("SS")) return Colors.deepPurple;
+    if (rank.contains("S+") || rank.contains("S")) return Colors.blue;
     return Colors.green;
   }
 
@@ -542,26 +972,6 @@ class _SongDetailPageState extends State<SongDetailPage> {
     }
   }
 
-  String _comboText(int s) {
-    switch (s) {
-      case 1: return "FC";
-      case 2: return "FC+";
-      case 3: return "AP";
-      case 4: return "AP+";
-      default: return "无";
-    }
-  }
-
-  String _syncText(int s) {
-    switch (s) {
-      case 1: return "FS";
-      case 2: return "FS+";
-      case 3: return "FDX";
-      case 4: return "FDX+";
-      default: return "无";
-    }
-  }
-
   int _getRealMusicId(String type) {
     if (type == "SD") return widget.song.id;
     if (type == "DX") return 10000 + widget.song.id;

lib/pages/score/score_page.dart

@@ -32,8 +32,9 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
   bool _isAdvancedFilterExpanded = false;
   double? _minAchievement;
   late final TextEditingController _minAchievementController;
-  String? _filterFromVersion;
-  String? _filterGenre;
+  // 改为多选
+  List<String> _filterFromVersions = [];
+  List<String> _filterGenres = [];
   double? _selectedMinLevel;
   double? _selectedMaxLevel;
   int? _filterComboStatus;
@@ -57,7 +58,7 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
 
   String get _currentDataSource => UserProvider.instance.scoreDataSource;
   String? get _currentSegaId => UserProvider.instance.selectedSegaId;
-  String? get _currentCnUserName => UserProvider.instance.selectedCnUserName; // 新增
+  String? get _currentCnUserName => UserProvider.instance.selectedCnUserName;
 
   @override
   void initState() {
@@ -148,7 +149,6 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     }
   }
 
-  /// 【核心修改】加载数据逻辑
   Future<void> _loadData({bool isInitialLoad = false}) async {
     if (isInitialLoad) {
       setState(() { _isLoading = true; });
@@ -161,7 +161,6 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
       final token = userProvider.token;
       if (token == null) throw "未登录，请先登录";
 
-      // 1. 获取歌曲元数据
       if (_allSongs.isEmpty || isInitialLoad) {
         final songs = await SongService.getAllSongs();
         _allSongs = songs;
@@ -170,9 +169,7 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
         _availableGenres = songs.map((s) => s.genre).where((g) => g.isNotEmpty).toSet();
       }
 
-      // 2. 获取用户成绩数据
       if (_currentDataSource == 'sega') {
-        // --- Sega ID 模式 ---
         final segaId = _currentSegaId;
         if (segaId == null || segaId.isEmpty) {
           throw "请选择一个有效的 Sega ID";
@@ -207,8 +204,6 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
         }).toList();
 
       } else {
-        // --- 国服模式 ---
-        // 【修改点】传递选中的用户名
         final scoreData = await SongService.getUserAllScores(token,name: _currentCnUserName);
 
         if (scoreData.containsKey('userScoreAll_')) {
@@ -243,13 +238,12 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     }
   }
 
-  /// 【核心修改】获取过滤并排序后的列表
   List<dynamic> get _filteredMusicList {
     bool isNoFilter = _searchQuery.isEmpty &&
         _filterLevelType == null &&
         _filterRank == null &&
-        _filterFromVersion == null &&
-        _filterGenre == null &&
+        _filterFromVersions.isEmpty &&
+        _filterGenres.isEmpty &&
         _selectedMinLevel == null &&
         _selectedMaxLevel == null &&
         _minAchievement == null &&
@@ -315,10 +309,12 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
         }
 
         if (song != null) {
-          if (_filterFromVersion != null && song.from != _filterFromVersion) return false;
-          if (_filterGenre != null && song.genre != _filterGenre) return false;
+          // 版本多选过滤
+          if (_filterFromVersions.isNotEmpty && !_filterFromVersions.contains(song.from)) return false;
+          // 流派多选过滤
+          if (_filterGenres.isNotEmpty && !_filterGenres.contains(song.genre)) return false;
         } else {
-          if (_filterFromVersion != null || _filterGenre != null) {
+          if (_filterFromVersions.isNotEmpty || _filterGenres.isNotEmpty) {
             return false;
           }
         }
@@ -373,8 +369,8 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
       _searchQuery = '';
       _filterLevelType = null;
       _filterRank = null;
-      _filterFromVersion = null;
-      _filterGenre = null;
+      _filterFromVersions.clear();
+      _filterGenres.clear();
       _selectedMinLevel = null;
       _selectedMaxLevel = null;
       _minAchievement = null;
@@ -415,16 +411,13 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     );
   }
 
-  /// 【核心修改】构建数据源选择器，支持国服多账号
   Widget _buildDataSourceSelector() {
     final userProvider = UserProvider.instance;
     final isSegaMode = userProvider.scoreDataSource == 'sega';
 
-    // 国服相关数据
     final cnUserNames = userProvider.availableCnUserNames;
     final currentCnUserName = userProvider.selectedCnUserName;
 
-    // Sega相关数据
     final segaCards = userProvider.availableSegaCards;
     final currentSegaId = userProvider.selectedSegaId;
 
@@ -459,10 +452,10 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
             flex: 1,
             child: DropdownButtonHideUnderline(
               child: DropdownButtonFormField<String>(
-                // 如果是 Sega 模式，显示 SegaID；如果是国服模式，显示用户名
                 value: isSegaMode
                     ? currentSegaId
-                    : (currentCnUserName != null && currentCnUserName.isNotEmpty ? currentCnUserName : null),                decoration: InputDecoration(
+                    : (currentCnUserName != null && currentCnUserName.isNotEmpty ? currentCnUserName : null),
+                decoration: InputDecoration(
                   hintText: isSegaMode ? "选择卡片" : "选择账号",
                   border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
                   contentPadding: const EdgeInsets.symmetric(horizontal: 8, vertical: 0),
@@ -476,7 +469,6 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
                   );
                 }).toList()
                     : [
-                  // 国服选项：第一个是“全部/默认”，其余是具体用户名
                   const DropdownMenuItem<String>(
                     value: null,
                     child: Text("全部/默认", overflow: TextOverflow.ellipsis),
@@ -598,27 +590,31 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
                 children: [
                   Row(
                     children: [
+                      // 版本多选按钮
                       Expanded(
-                        child: _buildDropdown(
-                          label: "版本",
-                          value: _filterFromVersion,
-                          items: [
-                            const DropdownMenuItem(value: null, child: Text("全部")),
-                            ..._availableVersions.map((v) => DropdownMenuItem(value: v, child: Text(v))).toList()
-                          ],
-                          onChanged: (val) => setState(() => _filterFromVersion = val),
+                        child: _buildMultiSelectButton(
+                          title: "版本",
+                          selectedList: _filterFromVersions,
+                          allItems: _availableVersions.toList(),
+                          onConfirm: (selected) {
+                            setState(() {
+                              _filterFromVersions = selected;
+                            });
+                          },
                         ),
                       ),
                       const SizedBox(width: 8),
+                      // 流派多选按钮
                       Expanded(
-                        child: _buildDropdown(
-                          label: "流派",
-                          value: _filterGenre,
-                          items: [
-                            const DropdownMenuItem(value: null, child: Text("全部")),
-                            ..._availableGenres.map((g) => DropdownMenuItem(value: g, child: Text(g))).toList()
-                          ],
-                          onChanged: (val) => setState(() => _filterGenre = val),
+                        child: _buildMultiSelectButton(
+                          title: "流派",
+                          selectedList: _filterGenres,
+                          allItems: _availableGenres.toList(),
+                          onConfirm: (selected) {
+                            setState(() {
+                              _filterGenres = selected;
+                            });
+                          },
                         ),
                       ),
                     ],
@@ -707,6 +703,115 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     );
   }
 
+  // 多选弹窗组件
+  Widget _buildMultiSelectButton({
+    required String title,
+    required List<String> selectedList,
+    required List<String> allItems,
+    required Function(List<String>) onConfirm,
+  }) {
+    return InkWell(
+      onTap: () {
+        _showMultiSelectDialog(
+          context: context,
+          title: title,
+          selected: List.from(selectedList),
+          items: allItems,
+          onConfirm: onConfirm,
+        );
+      },
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
+        decoration: BoxDecoration(
+          border: Border.all(color: Colors.grey.shade400),
+          borderRadius: BorderRadius.circular(4),
+        ),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(title, style: TextStyle(fontWeight: FontWeight.bold)),
+            Expanded(
+              child: Text(
+                selectedList.isEmpty
+                    ? "全部"
+                    : selectedList.join(", "),
+                style: TextStyle(color: Colors.grey[600], fontSize: 13),
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+                textAlign: TextAlign.right,
+              ),
+            ),
+            const Icon(Icons.arrow_drop_down, color: Colors.grey),
+          ],
+        ),
+      ),
+    );
+  }
+  // 显示多选弹窗
+  Future<void> _showMultiSelectDialog({
+    required BuildContext context,
+    required String title,
+    required List<String> selected,
+    required List<String> items,
+    required Function(List<String>) onConfirm,
+  }) async {
+    List<String> tempSelected = List.from(selected);
+
+    await showDialog(
+      context: context,
+      builder: (dialogContext) => AlertDialog(
+        title: Text("选择$title"),
+        content: SingleChildScrollView(
+          child: StatefulBuilder( // <--- 添加 StatefulBuilder
+            builder: (context, setState) { // <--- 这里的 setState 只用于刷新 Dialog 内容
+              return Column(
+                mainAxisSize: MainAxisSize.min,
+                children: items.map((item) {
+                  return CheckboxListTile(
+                    title: Text(item),
+                    value: tempSelected.contains(item),
+                    onChanged: (isChecked) {
+                      // 使用 StatefulBuilder 提供的 setState
+                      setState(() {
+                        if (isChecked == true) {
+                          tempSelected.add(item);
+                        } else {
+                          tempSelected.remove(item);
+                        }
+                      });
+                    },
+                  );
+                }).toList(),
+              );
+            },
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.pop(dialogContext);
+            },
+            child: const Text("取消"),
+          ),
+          TextButton(
+            onPressed: () {
+              onConfirm(tempSelected);
+              Navigator.pop(dialogContext);
+            },
+            child: const Text("确定"),
+          ),
+          TextButton(
+            onPressed: () {
+              onConfirm([]);
+              Navigator.pop(dialogContext);
+            },
+            child: const Text("重置", style: TextStyle(color: Colors.red)),
+          ),
+        ],
+      ),
+    );
+  }
+
   void _showLevelPickerDialog() {
     int targetMinIndex = 0;
     if (_selectedMinLevel != null) {
@@ -884,8 +989,8 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     return _searchQuery.isNotEmpty ||
         _filterLevelType != null ||
         _filterRank != null ||
-        _filterFromVersion != null ||
-        _filterGenre != null ||
+        _filterFromVersions.isNotEmpty ||
+        _filterGenres.isNotEmpty ||
         _selectedMinLevel != null ||
         _selectedMaxLevel != null ||
         _minAchievement != null ||
@@ -1145,77 +1250,7 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
                           ),
                         ],
                       ),
-                      subtitle: Padding(
-                        padding: const EdgeInsets.only(top: 8.0),
-                        child: Column(
-                          crossAxisAlignment: CrossAxisAlignment.start,
-                          children: [
-                            Row(
-                              children: [
-                                Icon(Icons.play_circle_outline, size: 16, color: Colors.grey[600]),
-                                const SizedBox(width: 4),
-                                Text(
-                                  "Play: ${detail['playCount'] ?? 0}",
-                                  style: TextStyle(fontSize: 12, color: Colors.grey[700]),
-                                ),
-                                const SizedBox(width: 12),
-                                Icon(Icons.score, size: 16, color: Colors.grey[600]),
-                                const SizedBox(width: 4),
-                                Text(
-                                  "DX: ${detail['deluxscoreMax'] ?? 0}",
-                                  style: TextStyle(fontSize: 12, color: Colors.grey[700]),
-                                ),
-                                const SizedBox(width: 12),
-                                Icon(Icons.attach_file, size: 16, color: Colors.grey[600]),
-                                const SizedBox(width: 4),
-                                Text(
-                                  "Rating: ${detail['rating'] ?? 0}",
-                                  style: TextStyle(fontSize: 12, color: Colors.grey[700]),
-                                ),
-                              ],
-                            ),
-                            const SizedBox(height: 4),
-                            Row(
-                              children: [
-                                if (comboStatus > 0)
-                                  Container(
-                                    margin: const EdgeInsets.only(right: 8),
-                                    padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
-                                    decoration: BoxDecoration(
-                                      borderRadius: BorderRadius.circular(4),
-                                      border: Border.all(color: comboColor.withAlpha(100)),
-                                    ),
-                                    child: Row(
-                                      mainAxisSize: MainAxisSize.min,
-                                      children: [
-                                        if (comboIcon != null) Icon(comboIcon, size: 12, color: comboColor),
-                                        if (comboIcon != null) const SizedBox(width: 2),
-                                        Text(comboText, style: TextStyle(fontSize: 14, color: comboColor, fontWeight: FontWeight.bold)),
-                                      ],
-                                    ),
-                                  ),
-
-                                if (syncStatus > 0)
-                                  Container(
-                                    padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
-                                    decoration: BoxDecoration(
-                                      borderRadius: BorderRadius.circular(4),
-                                      border: Border.all(color: syncColor.withAlpha(100)),
-                                    ),
-                                    child: Row(
-                                      mainAxisSize: MainAxisSize.min,
-                                      children: [
-                                        if (syncIcon != null) Icon(syncIcon, size: 12, color: syncColor),
-                                        if (syncIcon != null) const SizedBox(width: 2),
-                                        Text(syncText, style: TextStyle(fontSize: 14, color: syncColor, fontWeight: FontWeight.bold)),
-                                      ],
-                                    ),
-                                  ),
-                              ],
-                            ),
-                          ],
-                        ),
-                      ),
+                      subtitle: _buildScoreInfo(detail,songInfo!),
                       trailing: Column(
                         mainAxisAlignment: MainAxisAlignment.center,
                         crossAxisAlignment: CrossAxisAlignment.end,
@@ -1273,7 +1308,122 @@ class _ScorePageState extends State<ScorePage> with SingleTickerProviderStateMix
     }
     return Colors.black;
   }
+  Widget _buildScoreInfo(Map<String, dynamic> score, SongModel song) {
+    final dxScore = score['deluxscoreMax'] ?? 0;
+    final playCount = score['playCount'] ?? 0;
+    final type = score['type'] ?? '';
+    final level = score['level'] ?? 0;
+    final rating = score['rating'] ?? 0;
 
+    int comboStatus = score['comboStatus'] ?? 0;
+    int syncStatus = score['syncStatus'] ?? 0;
+
+    int totalNotes = 0;
+    if ((type == 'dx' && song.dx != null) || (type == 'sd' && song.sd != null)) {
+      final levelKey = level.toString();
+      final levelData = type == 'dx' ? song.dx![levelKey] : song.sd![levelKey];
+      if (levelData != null && levelData['notes'] != null) {
+        totalNotes = levelData['notes']['total'] ?? 0;
+      }
+    }
+
+    final allDx = totalNotes * 3;
+    final perc = allDx > 0 ? dxScore / allDx : 0.0;
+
+    String? comboIconPath;
+    switch (comboStatus) {
+      case 1: comboIconPath = "images/UI_MSS_MBase_Icon_FC.png"; break;
+      case 2: comboIconPath = "images/UI_MSS_MBase_Icon_FCp.png"; break;
+      case 3: comboIconPath = "images/UI_MSS_MBase_Icon_AP.png"; break;
+      case 4: comboIconPath = "images/UI_MSS_MBase_Icon_APp.png"; break;
+    }
+
+    String? syncIconPath;
+    switch (syncStatus) {
+      case 1: syncIconPath = "images/UI_MSS_MBase_Icon_FS.png"; break;
+      case 2: syncIconPath = "images/UI_MSS_MBase_Icon_FSp.png"; break;
+      case 3: syncIconPath = "images/UI_MSS_MBase_Icon_FSD.png"; break;
+      case 4: syncIconPath = "images/UI_MSS_MBase_Icon_FSDp.png"; break;
+      case 5: syncIconPath = "images/UI_MSS_MBase_Icon_Sync.png"; break;
+    }
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 4.0),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Flexible(
+            child: Row(
+              children: [
+                const Icon(Icons.score_rounded, size: 14, color: Colors.blueGrey),
+                const SizedBox(width: 4),
+                Text(
+                  "DX: $dxScore / $allDx",
+                  style: const TextStyle(fontSize: 13, color: Colors.blueGrey, fontWeight: FontWeight.w500),
+                ),
+                const SizedBox(width: 10),
+
+                const Icon(Icons.play_arrow_rounded, size: 14, color: Colors.grey),
+                const SizedBox(width: 4),
+                Text(
+                  "$playCount 次",
+                  style: const TextStyle(fontSize: 13, color: Colors.grey),
+                ),
+                const SizedBox(width: 10),
+
+                const Icon(Icons.star_rate_rounded, size: 14, color: Colors.amber),
+                const SizedBox(width: 4),
+                Text(
+                  "Rating: $rating",
+                  style: const TextStyle(fontSize: 13,fontWeight: FontWeight.w500),
+                ),
+
+                const SizedBox(width: 8),
+
+                if (comboIconPath != null)
+                  Padding(
+                    padding: const EdgeInsets.only(left: 4),
+                    child: Image.asset(comboIconPath, width: 30, height: 30),
+                  ),
+
+                if (syncIconPath != null)
+                  Padding(
+                    padding: const EdgeInsets.only(left: 4),
+                    child: Image.asset(syncIconPath, width: 30, height: 30),
+                  ),
+              ],
+            ),
+          ),
+
+          if (perc >= 0.85) _dxStarIcon(perc),
+        ],
+      ),
+    );
+  }
+
+  Widget _dxStarIcon(double perc) {
+    String asset;
+
+    if (perc >= 0.97) {
+      asset = "images/UI_GAM_Gauge_DXScoreIcon_05.png";
+    } else if (perc >= 0.95) {
+      asset = "images/UI_GAM_Gauge_DXScoreIcon_04.png";
+    } else if (perc >= 0.93) {
+      asset = "images/UI_GAM_Gauge_DXScoreIcon_03.png";
+    } else if (perc >= 0.90) {
+      asset = "images/UI_GAM_Gauge_DXScoreIcon_02.png";
+    } else {
+      asset = "images/UI_GAM_Gauge_DXScoreIcon_01.png";
+    }
+
+    return Image.asset(
+      asset,
+      width: 30,
+      height: 30,
+      fit: BoxFit.contain,
+    );
+  }
   Color _getRankColor(int rank) {
     return Colors.blueGrey;
   }

lib/pages/user/userpage.dart

@@ -34,7 +34,7 @@ class _UserPageState extends State<UserPage> {
   Future<void> _loadRadarData() async {
     final provider = Provider.of<UserProvider>(context, listen: false);
     try {
-      final data = await provider.fetchRadarData("684a6ee7f62aed83538ded34");
+      final data = await provider.fetchRadarData(provider.user?.id ?? 'default_id');
       setState(() {
         _radarData = data;
       });
@@ -648,6 +648,123 @@ class _UserPageState extends State<UserPage> {
     );
   }
 
+  // 移除 Sega 账号
+  Future<void> _removeSegaCard(SegaCard card, UserModel user) async {
+    final confirm = await showDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: const Text("确认移除"),
+        content: Text("确定要删除 ${card.segaId} 吗？"),
+        actions: [
+          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text("取消")),
+          TextButton(
+            onPressed: () => Navigator.pop(ctx, true),
+            style: TextButton.styleFrom(foregroundColor: Colors.red),
+            child: const Text("删除"),
+          ),
+        ],
+      ),
+    );
+
+    if (confirm != true) return;
+
+    final provider = Provider.of<UserProvider>(context, listen: false);
+
+    // 直接删除，不使用 copyWith
+    List<SegaCard> newList = List.from(user.segaCards ?? [])..remove(card);
+
+    // 完全沿用你原来的 UserModel 构造方式
+    UserModel updatedUser = UserModel(
+      id: user.id,
+      name: user.name,
+      userId: user.userId,
+      teamId: user.teamId,
+      email: user.email,
+      password: user.password,
+      twoFactorKey: user.twoFactorKey,
+      apiKey: user.apiKey,
+      apiBindKey: user.apiBindKey,
+      protectRole: user.protectRole,
+      risks: user.risks,
+      mcName: user.mcName,
+      userName2userId: user.userName2userId,
+      lxKey: user.lxKey,
+      dfUsername: user.dfUsername,
+      dfPassword: user.dfPassword,
+      nuoId: user.nuoId,
+      botId: user.botId,
+      spasolBotId: user.spasolBotId,
+      githubId: user.githubId,
+      rating: user.rating,
+      ratingMax: user.ratingMax,
+      iconId: user.iconId,
+      plateId: user.plateId,
+      plateIds: user.plateIds,
+      frameId: user.frameId,
+      charaSlots: user.charaSlots,
+      qiandaoDay: user.qiandaoDay,
+      inviter: user.inviter,
+      successLogoutTime: user.successLogoutTime,
+      lastLoginTime: user.lastLoginTime,
+      friendIds: user.friendIds,
+      bio: user.bio,
+      friendBio: user.friendBio,
+      sex: user.sex,
+      isDisagreeRecommend: user.isDisagreeRecommend,
+      isDisagreeFriend: user.isDisagreeFriend,
+      points: user.points,
+      planPoints: user.planPoints,
+      cardIds: user.cardIds,
+      userCards: user.userCards,
+      tags: user.tags,
+      useBeta: user.useBeta,
+      useNuo: user.useNuo,
+      useServer: user.useServer,
+      useB50Type: user.useB50Type,
+      userHot: user.userHot,
+      chatInGroupNumbers: user.chatInGroupNumbers,
+      sc: user.sc,
+      id2pcNuo: user.id2pcNuo,
+      mai2links: user.mai2links,
+      key2KeychipEn: user.key2KeychipEn,
+      key2key2KeychipEn: user.key2key2KeychipEn,
+      mai2link: user.mai2link,
+      userRegion: user.userRegion,
+      rinUsernameOrEmail: user.rinUsernameOrEmail,
+      rinPassword: user.rinPassword,
+      rinChusanUser: user.rinChusanUser,
+      segaCards: newList, // 这里更新
+      placeList: user.placeList,
+      lastKeyChip: user.lastKeyChip,
+      token: user.token,
+      timesRegionData: user.timesRegionData,
+      yearTotal: user.yearTotal,
+      yearTotalComment: user.yearTotalComment,
+      userCollCardMap: user.userCollCardMap,
+      collName2musicIds: user.collName2musicIds,
+      ai: user.ai,
+      pkScore: user.pkScore,
+      pkScoreStr: user.pkScoreStr,
+      pkScoreReality: user.pkScoreReality,
+      pkUserId: user.pkUserId,
+      limitPkTimestamp: user.limitPkTimestamp,
+      hasAcceptPk: user.hasAcceptPk,
+      pkPlayNum: user.pkPlayNum,
+      pkWin: user.pkWin,
+      userData: user.userData,
+      banState: user.banState,
+    );
+
+    provider.updateUser(updatedUser);
+    await provider.saveUserInfo();
+
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text("✅ 已移除：${card.segaId}")),
+      );
+    }
+  }
+
   Widget _buildScoreCheckerCard(UserModel user) {
     return _webCard(
       child: Column(
@@ -1148,6 +1265,12 @@ class _UserPageState extends State<UserPage> {
                     const SizedBox(width: 10),
                     Expanded(child: Text(card.segaId ?? "")),
                     const SizedBox(width: 6),
+                    TextButton(
+                      style: TextButton.styleFrom(foregroundColor: Colors.red),
+                      onPressed: () => _removeSegaCard(card, user),
+                      child: const Text("移除", style: TextStyle(fontSize: 12)),
+                    ),
+                    const SizedBox(width: 4),
                     TextButton(
                       onPressed: () => _verifyBoundSega(card),
                       child: const Text("验证", style: TextStyle(fontSize: 12)),

lib/service/recommendation_helper.dart

@@ -47,7 +47,6 @@ class RecommendationHelper {
 
         // 提取关键字段
         final int musicId = detail['musicId'] ?? detail['id'] ?? 0;
-        if(musicId>16000) continue;
         final int level = detail['level'] ?? detail['levelIndex'] ?? 3; // 默认 Master
         final int achievement = detail['achievement'] ?? 0;
         // 确保 rating 是 double
@@ -100,6 +99,7 @@ class RecommendationHelper {
     for (var song in allSongs) {
       // 过滤无效 ID
       if (song.id < 100) continue;
+      if (song.id > 16000) continue;
 
       // 获取 Master (Level 3) 的定数，如果没有则获取 Expert (Level 2)
       double? masterLevel = _getSongLevel(song, 3);

linux/flutter/generated_plugin_registrant.cc

@@ -6,9 +6,13 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <open_file_linux/open_file_linux_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) open_file_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "OpenFileLinuxPlugin");
+  open_file_linux_plugin_register_with_registrar(open_file_linux_registrar);
   g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
   url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  open_file_linux
   url_launcher_linux
 )
 

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -6,6 +6,7 @@ import FlutterMacOS
 import Foundation
 
 import geolocator_apple
+import open_file_mac
 import package_info_plus
 import share_plus
 import shared_preferences_foundation
@@ -13,6 +14,7 @@ import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
+  OpenFilePlugin.register(with: registry.registrar(forPlugin: "OpenFilePlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))

pubspec.lock

@@ -536,6 +536,70 @@ packages:
       url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "9.3.0"
+  open_file:
+    dependency: "direct dev"
+    description:
+      name: open_file
+      sha256: b22decdae85b459eac24aeece48f33845c6f16d278a9c63d75c5355345ca236b
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "3.5.11"
+  open_file_android:
+    dependency: transitive
+    description:
+      name: open_file_android
+      sha256: "58141fcaece2f453a9684509a7275f231ac0e3d6ceb9a5e6de310a7dff9084aa"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "1.0.6"
+  open_file_ios:
+    dependency: transitive
+    description:
+      name: open_file_ios
+      sha256: a5acd07ba1f304f807a97acbcc489457e1ad0aadff43c467987dd9eef814098f
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "1.0.4"
+  open_file_linux:
+    dependency: transitive
+    description:
+      name: open_file_linux
+      sha256: d189f799eecbb139c97f8bc7d303f9e720954fa4e0fa1b0b7294767e5f2d7550
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "0.0.5"
+  open_file_mac:
+    dependency: transitive
+    description:
+      name: open_file_mac
+      sha256: cd293f6750de6438ab2390513c99128ade8c974825d4d8128886d1cda8c64d01
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "1.0.4"
+  open_file_platform_interface:
+    dependency: transitive
+    description:
+      name: open_file_platform_interface
+      sha256: "101b424ca359632699a7e1213e83d025722ab668b9fd1412338221bf9b0e5757"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "1.0.3"
+  open_file_web:
+    dependency: transitive
+    description:
+      name: open_file_web
+      sha256: e3dbc9584856283dcb30aef5720558b90f88036360bd078e494ab80a80130c4f
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "0.0.4"
+  open_file_windows:
+    dependency: transitive
+    description:
+      name: open_file_windows
+      sha256: d26c31ddf935a94a1a3aa43a23f4fff8a5ff4eea395fe7a8cb819cf55431c875
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
+    source: hosted
+    version: "0.0.3"
   package_config:
     dependency: transitive
     description:

pubspec.yaml

@@ -60,12 +60,14 @@ dev_dependencies:
   fl_chart: ^0.68.0
   url_launcher: ^6.2.2
   share_plus: ^7.2.2
+  open_file: ^3.3.2
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 
 # The following section is specific to Flutter packages.
 flutter:
-
+  assets:
+    - images/
   # The following line ensures that the Material Icons font is
   # included with your application, so that you can use the icons in
   # the material Icons class.