/* 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;
}

.post-image-container {
  width: 100%;
  max-width: 500px; /* 最大宽度 */
  margin: 10px 0;
}

.post-image {
  width: 100%;
  height: auto;
  max-height: 400px; /* 最大高度 */
  object-fit: contain; /* 保持比例完整显示图片 */
  border-radius: 4px;
}

.comment-image-container {
  width: 100%;
  max-width: 500px; /* 最大宽度 */
  margin: 10px 0;
}

.comment-image {
  width: 100%;
  height: auto;
  max-height: 400px; /* 最大高度 */
  object-fit: contain; /* 保持比例完整显示图片 */
  border-radius: 4px;
}