.biz-account-list {
  flex: 1;
  overflow-y: auto;
  background-color: var(--bg-secondary); // 对齐会话列表背景

  .biz-loading {
    padding: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
  }

  .biz-account-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border-color);

    &:hover {
      background-color: var(--bg-hover);
    }

    &.active {
      background-color: var(--primary-light) !important;
      border-left: 3px solid var(--primary);
      padding-left: 13px; // 补偿 border-left
    }

    &.pay-account {
      background-color: var(--bg-primary);
      &.active { 
        background-color: var(--primary-light) !important;
        border-left: 3px solid var(--primary);
      }
    }

    .biz-avatar {
      width: 48px;
      height: 48px;
      border-radius: 8px; // 对齐会话列表头像圆角
      object-fit: cover;
      flex-shrink: 0;
      background-color: var(--bg-tertiary);
    }

    .biz-unread-badge {
      position: absolute;
      top: 8px;
      left: 52px;
      min-width: 18px;
      height: 18px;
      padding: 0 5px;
      border-radius: 9px;
      background: #ff4d4f;
      color: #fff;
      font-size: 11px;
      font-weight: 600;
      line-height: 18px;
      text-align: center;
      border: 2px solid var(--bg-secondary);
      box-sizing: border-box;
    }

    .biz-info {
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 2px;

      .biz-info-top {
        display: flex;
        justify-content: space-between;
        align-items: center;

        .biz-name {
          font-size: 14px;
          font-weight: 500;
          color: var(--text-primary);
          white-space: nowrap;
          overflow: hidden;
          text-overflow: ellipsis;
        }

        .biz-time {
          font-size: 11px;
          color: var(--text-tertiary);
          flex-shrink: 0;
        }
      }

      .biz-badge {
        font-size: 10px;
        padding: 1px 6px;
        border-radius: 4px;
        width: fit-content;
        margin-top: 2px;

        &.type-service { color: #07c160; background: rgba(7, 193, 96, 0.1); }
        &.type-sub { color: var(--primary); background: var(--primary-light); }
        &.type-enterprise { color: #f5222d; background: rgba(245, 34, 45, 0.1); }
        &.type-unknown { color: var(--text-tertiary); background: var(--bg-tertiary); }
      }
    }
  }
}

.biz-main {
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary); // 对齐聊天页背景

  .main-header {
    height: 56px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--card-bg);
    flex-shrink: 0;

    h2 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
    }
  }

  .message-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
    background: var(--chat-pattern);
    background-color: var(--bg-tertiary); // 对齐聊天背景色

    .messages-wrapper {
      width: 100%;
      max-width: 600px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px; // 减小间距，因为有了 time-divider
    }
  }

  .time-divider {
    text-align: center;
    margin: 16px 0 8px;
    
    span {
      display: inline-block;
      padding: 2px 8px;
      background-color: var(--bg-primary);
      color: var(--text-tertiary);
      font-size: 11px;
      border-radius: 4px;
      opacity: 0.8;
    }
  }

  // 占位状态：对齐 Chat 页面风格
  .biz-no-record-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    background: var(--bg-tertiary);

    .no-record-icon {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background-color: var(--bg-secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--text-tertiary);
      opacity: 0.5;

      svg { width: 32px; height: 32px; }
    }

    h3 {
      font-size: 16px;
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    p {
      font-size: 13px;
      color: var(--text-secondary);
      max-width: 280px;
      line-height: 1.5;
    }
  }

  .biz-loading-more {
    text-align: center;
    padding: 20px;
    font-size: 12px;
    color: var(--text-tertiary);
  }

  .pay-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);

    .pay-header {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-tertiary);
      margin-bottom: 20px;

      .pay-icon {
        width: 24px;
        height: 24px;
        border-radius: 50%;
        object-fit: cover;
      }
      .pay-icon-placeholder {
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background-color: #07c160;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
      }
    }

    .pay-title {
      text-align: center;
      font-size: 22px;
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 24px;
    }

    .pay-desc {
      font-size: 13px;
      line-height: 1.6;
      color: var(--text-secondary);
      white-space: pre-wrap;
    }

    .pay-footer {
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid var(--border-color);
      font-size: 12px;
      color: var(--text-tertiary);
      text-align: right;
    }
  }

  .article-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);

    .main-article {
      position: relative;
      cursor: pointer;

      .article-cover {
        width: 100%;
        height: 220px;
        object-fit: cover;
        background-color: var(--bg-tertiary);
      }

      .article-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 16px;
        background: linear-gradient(transparent, rgba(0,0,0,0.8));

        .article-title {
          color: white;
          font-size: 17px;
          font-weight: 500;
          line-height: 1.4;
          display: -webkit-box;
          -webkit-line-clamp: 2;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }
      }
    }

    .article-digest {
      padding: 12px 16px;
      font-size: 14px;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border-color);
    }

    .sub-articles {
      .sub-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px;
        border-top: 1px solid var(--border-color);
        cursor: pointer;
        
        &:hover { background-color: var(--bg-hover); }

        .sub-title {
          flex: 1;
          font-size: 15px;
          color: var(--text-primary);
          padding-right: 12px;
          display: -webkit-box;
          -webkit-line-clamp: 2;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }

        .sub-cover {
          width: 48px;
          height: 48px;
          border-radius: 4px;
          object-fit: cover;
          flex-shrink: 0;
          border: 1px solid var(--border-color);
        }
      }
    }
  }
}

.biz-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  background: var(--bg-tertiary); // 对齐 Chat 页面空白背景

  .empty-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    color: var(--text-tertiary);

    svg { width: 40px; height: 40px; }
  }

  p { color: var(--text-tertiary); font-size: 14px; }
}
