.weibo-message-container {
      display: flex;
      height: calc(100vh - 70px);
    }
    
    /* 左侧边栏 - 消息类型 */
    .message-type-sidebar {
      width: 200px;
      background-color: #fff;
      border-right: 1px solid #e9ecef;
      padding: 1rem 0;
    }
    
    .message-type-item {
      display: flex;
      align-items: center;
      padding: 0.75rem 1.5rem;
      cursor: pointer;
      transition: all 0.2s ease;
      font-weight: 600;
      color: #657786;
      border-left: 3px solid transparent;
    }
    
    .message-type-item:hover {
      background-color: #f5f8fa;
      color: #1da1f2;
    }
    
    .message-type-item.active {
      background-color: #e8f5fd;
      color: #1da1f2;
      border-left-color: #1da1f2;
    }
    
    .message-type-icon {
      margin-right: 0.75rem;
      font-size: 1.25rem;
    }
    
    .message-count {
      margin-left: auto;
      background-color: #e0245e;
      color: white;
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
      border-radius: 10px;
      min-width: 20px;
      text-align: center;
    }
    
    /* 中间边栏 - 会话列表 */
    .conversation-sidebar {
      width: 300px;
      background-color: #fff;
      border-right: 1px solid #e9ecef;
      display: flex;
      flex-direction: column;
    }
    
    .sidebar-header {
      padding: 1rem;
      border-bottom: 1px solid #e9ecef;
      font-weight: 700;
      font-size: 1.125rem;
    }
    
    .search-bar {
      padding: 0.75rem 1rem;
      border-bottom: 1px solid #e9ecef;
    }
    
    .search-input {
      width: 100%;
      padding: 0.5rem 0.75rem;
      border: 1px solid #e9ecef;
      border-radius: 20px;
      outline: none;
      font-size: 0.875rem;
      background-color: #f5f8fa;
      transition: all 0.2s ease;
    }
    
    .search-input:focus {
      border-color: #1da1f2;
      background-color: white;
    }
    
    .weibo-conversation-list {
      flex: 1;
      overflow-y: auto;
    }
    
    .weibo-conversation-item {
      display: flex;
      padding: 0.75rem 1rem;
      cursor: pointer;
      transition: all 0.2s ease;
      border-bottom: 1px solid #f5f8fa;
    }
    
    .weibo-conversation-item:hover {
      background-color: #f5f8fa;
    }
    
    .weibo-conversation-item.active {
      background-color: #e8f5fd;
    }
    
    .conversation-avatar {
      margin-right: 0.75rem;
    }
    
    .conversation-info {
      flex: 1;
      min-width: 0;
    }
    
    .conversation-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 0.25rem;
    }
    
    .conversation-name {
      font-weight: 600;
      color: #14171a;
      font-size: 0.875rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    .conversation-time {
      color: #657786;
      font-size: 0.75rem;
    }
    
    .conversation-last-message {
      color: #657786;
      font-size: 0.875rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    /* 主内容区 - 消息详情 */
    .message-detail {
      flex: 1;
      display: flex;
      flex-direction: column;
      background-color: #fff;
    }
    
    .message-detail-header {
      display: flex;
      align-items: center;
      padding: 1rem;
      border-bottom: 1px solid #e9ecef;
      background-color: white;
      position: sticky;
      top: 0;
      z-index: 10;
    }
    
    .detail-avatar {
      margin-right: 0.75rem;
    }
    
    .detail-info {
      flex: 1;
    }
    
    .detail-name {
      font-weight: 600;
      color: #14171a;
      margin-bottom: 0.25rem;
    }
    
    .detail-status {
      color: #17bf63;
      font-size: 0.75rem;
    }
    
    .detail-actions {
      display: flex;
      gap: 1rem;
      color: #657786;
      font-size: 1.25rem;
    }
    
    .message-content {
      flex: 1;
      overflow-y: auto;
      padding: 1.5rem;
      background-color: #f5f8fa;
    }
    
    .message-bubble {
      display: flex;
      margin-bottom: 1rem;
    }
    
    .message-bubble.user {
      justify-content: flex-end;
    }
    
    .message-bubble.other {
      justify-content: flex-start;
    }
    
    .bubble-content {
      max-width: 70%;
      padding: 0.75rem 1rem;
      border-radius: 18px;
      position: relative;
      font-size: 0.875rem;
    }
    
    .message-bubble.user .bubble-content {
      background-color: #1da1f2;
      color: white;
      border-bottom-right-radius: 4px;
    }
    
    .message-bubble.other .bubble-content {
      background-color: white;
      color: #14171a;
      border-bottom-left-radius: 4px;
    }
    
    .bubble-time {
      display: block;
      font-size: 0.75rem;
      color: #657786;
      margin-top: 0.25rem;
      text-align: right;
    }
    
    .message-bubble.other .bubble-time {
      color: #aab8c2;
    }
    
    /* 底部输入区 */
    .weibo-message-input-area {
      padding: 1rem;
      border-top: 1px solid #e9ecef;
      background-color: white;
    }
    
    .input-toolbar {
      display: flex;
      gap: 0.75rem;
      margin-bottom: 0.75rem;
      color: #657786;
      font-size: 1.25rem;
    }


    .input-container {
      position: relative;
      display: flex;
      align-items: flex-end;
    }
    
    .weibo-input {
      flex: 1;
      padding: 0.75rem;
      padding-right: 4rem; /* 为右侧按钮留出空间 */
      border: 1px solid #e9ecef;
      border-radius: 20px;
      resize: none;
      outline: none;
      font-size: 0.875rem;
      min-height: 40px;
      max-height: 120px;
      background-color: #f5f8fa;
      transition: all 0.2s ease;
    }
    
    .weibo-input:focus {
      border-color: #1da1f2;
      background-color: white;
    }
    
    .send-btn {
      position: absolute;
      right: 8px;
      bottom: 15px;
      border: none;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
    }
    
    .send-btn:hover {
      background-color: #0d95e8;
      transform: scale(1.05);
    }
    
    .send-btn:disabled {
      background-color: #aab8c2;
      cursor: not-allowed;
      transform: none;
    }