Fix/avoid using a hard-code timezone

README.md

@@ -84,7 +84,7 @@
 | 提供笔记功能       | ✅ 已完成  | 题目列表中新增笔记按钮，支持导出所有笔记为Markdown     | 
 | 收集Anki fsrs 训练数据       | ✅ 已完成  | 待用于测试fsrs官方端口训练       | 
 | 接入Anki fsrs官方训练端口       | ✅ 已完成  | 目前仅支持本地复习记录训练（云同步用户可能存在影响）       | 
-| 扩展webdev云同步服务       | ❌ 待完成  | 待接入坚果云       | 
+| 扩展webdav云同步服务       | ❌ 待完成  | 待接入坚果云       | 
 | 支持语言切换       | ❌ 待完成  | 待完成       | 
 | 不同网站题目数据源切换   | ❌ 待完成  | 待完成（目前仅支持力扣国际站和中国站，待兼容洛谷等）       |
 | 兼容火狐       | ❌ 待完成  | 待完成       | 
@@ -101,7 +101,7 @@
 | Provide note-taking feature | ✳️  Completed | Add note button in problem list, support exporting all notes to Markdown |
 | Collect Anki FSRS training data | ✳️  Completed | To be used for testing FSRS official training endpoint |
 | Integrate Anki FSRS official training endpoint | ✳️  Completed | Currently supports training with local review records (may affect cloud sync users) |
-| Expand webdev cloud sync service | ❌  Pending   | To be integrated with Nutstore                 |
+| Expand webdav cloud sync service | ❌  Pending   | To be integrated with Nutstore                 |
 | Support language switching  | ❌  Pending   | Pending completion                          |
 | Switch data sources for different websites | ❌  Pending   | Pending completion (currently only supports LeetCode international and Chinese sites, to be compatible with Luogu, etc.) |
 | Compatibility with Firefox | ❌  Pending   | Pending completion                          |

popup.html

@@ -164,28 +164,28 @@ <h3>Add Review Card</h3>
                 <!-- footer -->
                 <div class="footer">
                     <!-- GitHub Star -->
-                    <!-- 先放一个占位符 -->
-                    <div id="github-star-container" 
-                    data-bs-toggle="tooltip" 
-                    data-bs-placement="top" 
-                    title="A star from you would make our day! 🌟">
-                        <a href="https://github.com/xiaohajiayou/Leetcode-Mastery-Scheduler" 
+                    <a href="https://github.com/xiaohajiayou/Leetcode-Mastery-Scheduler" 
                         target="_blank" 
-                        style="text-decoration: none; display: inline-block; margin-right: 15px;">
-                            <img alt="GitHub" 
-                                src="https://img.shields.io/badge/GitHub-%20Star%20Us-color%3D%2523%234a9d9c?style=flat&color=%234a9d9c
-                                " 
-                                height="20"
-                                style="margin: 0; vertical-align: middle;">
-                        </a>
-                    </div>
+                        style="text-decoration: none;"
+                        data-bs-toggle="tooltip" 
+                        data-bs-placement="top" 
+                        title="🌟 Star us please! / 点个星星吧！求求了~"
+                    >
+                        <button type="button" class="btn custom-btn github-star-btn">
+                            <div class="btn-content">
+                                <i class="fas fa-star"></i>
+                                <span>Star Us</span>
+                            </div>
+                        </button>
+                    </a>
 
-                    <!-- 将 GitHub iframe 加载逻辑放在单独的脚本文件中 -->
-
                     <!-- 反馈按钮 -->
                     <a href="https://github.com/xiaohajiayou/Leetcode-Mastery-Scheduler/issues" 
                         target="_blank" 
                         style="text-decoration: none;"
+                        data-bs-toggle="tooltip" 
+                        data-bs-placement="top" 
+                        title="💡 Report issue"
                     >
                         <button type="button" class="btn custom-btn feedback-btn-review">
                             <div class="btn-content">
@@ -402,15 +402,21 @@ <h3>Add Review Card</h3>
                     <div id="github-problems" 
                     data-bs-toggle="tooltip" 
                     data-bs-placement="top" 
-                    title="A star from you would make our day! 🌟">
+                    >
+
                         <a href="https://github.com/xiaohajiayou/Leetcode-Mastery-Scheduler" 
                         target="_blank" 
-                        style="text-decoration: none; display: inline-block; margin-right: 15px;">
-                            <img alt="GitHub" 
-                                src="https://img.shields.io/badge/GitHub-%20Star%20Us-color%3D%2523%234a9d9c?style=flat&color=%234a9d9c
-                                " 
-                                height="20"
-                                style="margin: 0; vertical-align: middle;">
+                        style="text-decoration: none;"
+                        data-bs-toggle="tooltip" 
+                        data-bs-placement="top" 
+                        title="🌟 Star us please! / 点个星星吧！求求了~"
+                    >
+                        <button type="button" class="btn custom-btn github-star-btn">
+                            <div class="btn-content">
+                                <i class="fas fa-star"></i>
+                                <span>Star Us</span>
+                            </div>
+                        </button>
                         </a>
                     </div>
 
@@ -607,7 +613,6 @@ <h5 class="problem-title mb-2">
     <script type="text/javascript" src="lib/fontawesome.js"></script>
     <script src="dist/popup.js"></script>
 
-    <!-- 直接引用外部脚本文件 -->
-    <script src="dist/loadGithubStar.js"></script>
+
 </body>
 </html>

src/popup/delegate/fsrsDelegate.js

@@ -3,11 +3,14 @@ export const optimizeFSRSParams = async (csvContent, onProgress) => {
     try {
         const formData = new FormData();
         const csvBlob = new Blob([csvContent], { type: 'text/csv' });
+        // ref: https://github.com/ishiko732/fsrs-online-training/blob/73b3281e4c972bf965083dcfe61f087383b4a083/components/lib/tz.ts#L3-L4
+        // Chrome > 24, Edge > 12, Firefox > 29
+        const timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone
         formData.append('file', csvBlob, 'revlog.csv');
         formData.append('sse', '1');
         formData.append('hour_offset', '4');
         formData.append('enable_short_term', '0');
-        formData.append('timezone', 'Asia/Shanghai');
+        formData.append('timezone', timeZone);
 
         const response = await fetch('https://ishiko732-fsrs-online-training.hf.space/api/train', {
             method: 'POST',

src/popup/popup.css

@@ -757,15 +757,53 @@ iframe {
 
 #github-star-container {
     display: flex;
-    align-items: center;  /* 垂直居中对齐 */
-    height: 30px;        /* 固定高度，与按钮一致 */
+    align-items: center;
+    height: 30px;
 }
 
-/* 确保 GitHub Star 按钮的样式 */
+/* GitHub Star 按钮样式 */
 .github-star-btn {
+    font-size: 0.875rem;
+    font-family: 'Courier Prime', monospace;
+    background: #1d2e3d;
+    border: 1px solid rgba(97, 218, 251, 0.3);
+    color: #61dafb;
+    border-radius: 6px;
+    display: flex;
+    align-items: center;
+    gap: 0.6rem;
+    transition: all 0.3s ease;
+    position: relative;
+    overflow: hidden;
+    padding: 0.35rem 0.8rem;
+}
+
+.github-star-btn:hover {
+    background: #1a3244;
+    border-color: #61dafb;
+    box-shadow: 0 0 10px rgba(97, 218, 251, 0.5);
+    color: #61dafb;
+}
+
+.github-star-btn .btn-content {
     display: flex;
     align-items: center;
-    height: 100%;        /* 使其填满容器高度 */
+    gap: 0.6rem;
+    transition: all 0.3s ease;
+}
+
+.github-star-btn:hover .btn-content {
+    transform: translateX(2px);
+}
+
+.github-star-btn i {
+    font-size: 0.875rem;
+    color: #61dafb;
+    transition: all 0.3s ease;
+}
+
+.github-star-btn:hover i {
+    color: #61dafb;
 }
 
 .feedback-btn-review {