diff --git a/src/components/HelpDetail.css b/src/components/HelpDetail.css
new file mode 100644
index 0000000..94d791b
--- /dev/null
+++ b/src/components/HelpDetail.css
@@ -0,0 +1,557 @@
+/* HelpDetail.css */
+.help-detail-container {
+    max-width: 800px;
+    margin: 0 auto;
+    padding: 20px;
+  }
+  
+  .back-button {
+    background: none;
+    border: none;
+    color: #1890ff;
+    cursor: pointer;
+    font-size: 16px;
+    margin-bottom: 20px;
+    padding: 5px 0;
+  }
+  
+  .help-post {
+    background: #fff;
+    border-radius: 8px;
+    padding: 20px;
+    margin-bottom: 20px;
+    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+  }
+  
+  .help-post.solved {
+    border-left: 4px solid #52c41a;
+  }
+  
+  .post-header {
+    display: flex;
+    align-items: center;
+    margin-bottom: 15px;
+    position: relative;
+  }
+  
+  .post-avatar {
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    margin-right: 10px;
+  }
+  
+  .post-meta {
+    display: flex;
+    flex-direction: column;
+  }
+  
+  .post-author {
+    font-weight: bold;
+  }
+  
+  .post-date {
+    color: #888;
+    font-size: 14px;
+  }
+  
+  .solved-badge {
+    position: absolute;
+    right: 0;
+    top: 0;
+    background: #52c41a;
+    color: white;
+    padding: 2px 8px;
+    border-radius: 4px;
+    font-size: 12px;
+  }
+  
+  .post-title {
+    font-size: 20px;
+    margin: 0 0 15px;
+  }
+  
+  .post-content {
+    line-height: 1.6;
+    margin-bottom: 15px;
+  }
+  
+  .post-actions {
+    display: flex;
+    gap: 15px;
+  }
+  
+  .like-button, .favorite-button, .solve-button {
+    padding: 5px 15px;
+    border-radius: 4px;
+    border: 1px solid #ddd;
+    background: #f5f5f5;
+    cursor: pointer;
+  }
+  
+  .like-button.liked {
+    background: #e6f7ff;
+    border-color: #91d5ff;
+    color: #1890ff;
+  }
+  
+  .favorite-button.favorited {
+    background: #fff7e6;
+    border-color: #ffd591;
+    color: #fa8c16;
+  }
+  
+  .solve-button.solved {
+    background: #f6ffed;
+    border-color: #b7eb8f;
+    color: #52c41a;
+  }
+  
+  .comments-section {
+    background: #fff;
+    border-radius: 8px;
+    padding: 20px;
+    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+  }
+  
+  .comment-form {
+    margin-bottom: 20px;
+  }
+  
+  .comment-form textarea {
+    width: 100%;
+    padding: 10px;
+    border-radius: 4px;
+    border: 1px solid #ddd;
+    resize: vertical;
+    min-height: 80px;
+    margin-bottom: 10px;
+  }
+  
+  .image-upload {
+    margin-bottom: 10px;
+  }
+  
+  .upload-button {
+    background: #f5f5f5;
+    border: 1px dashed #d9d9d9;
+    border-radius: 4px;
+    padding: 8px 16px;
+    cursor: pointer;
+    margin-bottom: 10px;
+  }
+  
+  .image-preview {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 10px;
+  }
+  
+  .preview-item {
+    position: relative;
+    width: 100px;
+    height: 100px;
+  }
+  
+  .preview-item img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    border-radius: 4px;
+  }
+  
+  .remove-image {
+    position: absolute;
+    top: -8px;
+    right: -8px;
+    width: 20px;
+    height: 20px;
+    background: #ff4d4f;
+    color: white;
+    border: none;
+    border-radius: 50%;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 12px;
+  }
+  
+  .submit-button {
+    background: #1890ff;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    padding: 8px 16px;
+    cursor: pointer;
+  }
+  
+  .comment-list {
+    margin-top: 20px;
+  }
+  
+  .comment-item {
+    display: flex;
+    padding: 15px 0;
+    border-bottom: 1px solid #f0f0f0;
+  }
+  
+  .comment-item:last-child {
+    border-bottom: none;
+  }
+  
+  .comment-avatar {
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    margin-right: 15px;
+    flex-shrink: 0;
+  }
+  
+  .comment-content {
+    flex-grow: 1;
+  }
+  
+  .comment-header {
+    display: flex;
+    justify-content: space-between;
+    margin-bottom: 8px;
+  }
+  
+  .comment-author {
+    font-weight: bold;
+  }
+  
+  .comment-date {
+    color: #888;
+    font-size: 14px;
+  }
+  
+  .comment-text {
+    line-height: 1.6;
+    margin-bottom: 8px;
+  }
+  
+  .comment-images {
+    display: flex;
+    gap: 10px;
+    margin-bottom: 10px;
+  }
+  
+  .comment-image {
+    max-width: 200px;
+    max-height: 150px;
+    border-radius: 4px;
+  }
+  
+  .comment-actions {
+    margin-top: 10px;
+  }
+  
+  .reply-form {
+    margin-top: 10px;
+    display: flex;
+    gap: 10px;
+  }
+  
+  .reply-form textarea {
+    flex-grow: 1;
+    padding: 8px;
+    border-radius: 4px;
+    border: 1px solid #ddd;
+    resize: vertical;
+    min-height: 40px;
+  }
+  
+  .submit-reply {
+    background: #f5f5f5;
+    border: 1px solid #d9d9d9;
+    border-radius: 4px;
+    padding: 0 15px;
+    cursor: pointer;
+    align-self: flex-end;
+    margin-bottom: 5px;
+  }
+  
+  .reply-list {
+    margin-top: 10px;
+    padding-left: 15px;
+    border-left: 2px solid #f0f0f0;
+  }
+  
+  .reply-item {
+    display: flex;
+    margin-top: 10px;
+  }
+  
+  .reply-avatar {
+    width: 30px;
+    height: 30px;
+    border-radius: 50%;
+    margin-right: 10px;
+  }
+  
+  .reply-content {
+    flex-grow: 1;
+  }
+  
+  .reply-header {
+    display: flex;
+    gap: 10px;
+    margin-bottom: 5px;
+  }
+  
+  .reply-author {
+    font-weight: bold;
+    font-size: 14px;
+  }
+  
+  .reply-date {
+    color: #888;
+    font-size: 12px;
+  }
+  
+  .reply-text {
+    font-size: 14px;
+    line-height: 1.5;
+  }
+
+  /* 评论项样式 */
+.comment-item {
+  display: flex;
+  margin-bottom: 20px;
+  padding: 15px;
+  background: #fff;
+  border-radius: 8px;
+  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+}
+
+.comment-avatar {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  margin-right: 15px;
+  object-fit: cover;
+}
+
+.comment-content {
+  flex: 1;
+}
+
+.comment-header {
+  display: flex;
+  align-items: center;
+  margin-bottom: 8px;
+}
+
+.comment-author {
+  font-weight: bold;
+  margin-right: 10px;
+  color: #333;
+}
+
+.comment-date {
+  font-size: 12px;
+  color: #999;
+}
+
+.comment-text {
+  margin-bottom: 10px;
+  line-height: 1.5;
+  color: #333;
+}
+
+.comment-actions {
+  display: flex;
+  align-items: center;
+  margin-top: 10px;
+}
+
+.like-button {
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: #666;
+  font-size: 14px;
+  padding: 4px 8px;
+  display: flex;
+  align-items: center;
+}
+
+.like-button.liked {
+  color: #1877f2;
+}
+
+.like-button:hover {
+  text-decoration: underline;
+}
+
+/* 回复控制按钮 */
+.reply-controls {
+  margin: 10px 0;
+}
+
+.toggle-replies-btn {
+  background: none;
+  border: none;
+  color: #666;
+  cursor: pointer;
+  font-size: 14px;
+  padding: 4px 8px;
+}
+
+.toggle-replies-btn:hover {
+  color: #333;
+  text-decoration: underline;
+}
+
+.toggle-replies-btn:disabled {
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+/* 回复表单 */
+.reply-form {
+  margin-top: 10px;
+  width: 100%;
+}
+
+.reply-form textarea {
+  width: 100%;
+  padding: 8px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  resize: vertical;
+  min-height: 60px;
+  margin-bottom: 8px;
+}
+
+.submit-reply {
+  background-color: #f0f2f5;
+  border: none;
+  border-radius: 4px;
+  padding: 6px 12px;
+  cursor: pointer;
+  color: #333;
+}
+
+.submit-reply:hover {
+  background-color: #e4e6eb;
+}
+
+/* 回复列表 */
+.reply-list {
+  margin-left: 55px; /* 头像宽度 + 边距 */
+  border-left: 2px solid #eee;
+  padding-left: 15px;
+  margin-top: 15px;
+}
+
+.reply-item {
+  display: flex;
+  margin-bottom: 15px;
+  padding: 12px;
+  background: #f9f9f9;
+  border-radius: 6px;
+}
+
+.reply-avatar {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  margin-right: 10px;
+  object-fit: cover;
+}
+
+.reply-content {
+  flex: 1;
+}
+
+.reply-header {
+  display: flex;
+  align-items: center;
+  margin-bottom: 5px;
+}
+
+.reply-author {
+  font-weight: bold;
+  margin-right: 8px;
+  font-size: 14px;
+  color: #333;
+}
+
+.reply-date {
+  font-size: 12px;
+  color: #999;
+}
+
+.reply-text {
+  font-size: 14px;
+  line-height: 1.4;
+  color: #333;
+  margin-bottom: 5px;
+}
+
+.reply-actions {
+  margin-top: 5px;
+}
+
+/* 回复弹窗样式 */
+.reply-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+}
+
+.reply-modal {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  width: 500px;
+  max-width: 90%;
+}
+
+.reply-modal h3 {
+  margin-top: 0;
+  margin-bottom: 15px;
+}
+
+.reply-modal textarea {
+  width: 100%;
+  padding: 10px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  resize: vertical;
+  min-height: 100px;
+  margin-bottom: 15px;
+}
+
+.modal-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 10px;
+}
+
+.cancel-button {
+  background: #f5f5f5;
+  border: 1px solid #d9d9d9;
+  border-radius: 4px;
+  padding: 8px 16px;
+  cursor: pointer;
+}
+
+.submit-button {
+  background: #1890ff;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  padding: 8px 16px;
+  cursor: pointer;
+}
\ No newline at end of file