  /* 温度换算器样式 */
  #r9k_converter {
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    color: #333;
  }

  .tc_temp_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
  }

  .tc_input_wrapper {
    display: flex;
    flex-direction: column;
  }

  .tc_unit_label {
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
    font-size: 13px;
  }

  .tc_temp_input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 1.5;
    transition: border-color 0.3s ease;
    outline: none;
    background-color: #fff;
  }

  .tc_temp_input:focus {
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
  }

  .tc_temp_input::placeholder {
    color: #bfbfbf;
  }

  .tc_temp_input[readonly] {
    background-color: #fafafa;
    color: #666;
  }

  .tc_control_area {
    display: flex;
    justify-content: center;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
  }

  .tc_clear_btn {
    padding: 8px 24px;
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    font-weight: 500;
  }

  .tc_clear_btn:hover {
    background-color: #e6e6e6;
    border-color: #b3b3b3;
  }

  .tc_clear_btn:active {
    background-color: #d9d9d9;
  }

  /* 响应式设计 */
  @media (max-width: 768px) {
    .tc_temp_grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 480px) {
    .tc_temp_grid {
      grid-template-columns: 1fr;
    }
  }
  .tc_article_section {
  margin-top: 30px;
  padding: 20px;
  background-color: #f9f9f9;
  border: 1px solid #e6e6e6;
  border-radius: 6px;
}

.tc_article_section h2, .tc_article_section h3 {
  color: #222;
}

.tc_article_section p, .tc_article_section ul {
  font-size: 14px;
  line-height: 1.6;
  color: #333;
}

.tc_article_section ul {
  list-style-type: disc;
  margin-left: 20px;
}