Function updateContinueReadingModal

js/app.js:1097–1106

* 更新继续阅读弹窗中的章节信息 * @param {Object} chapter - 章节信息对象 * @param {number} pageNumber - 页码 * Requirements: 7.2

(chapter, pageNumber)

 * Requirements: 7.2
 */
function updateContinueReadingModal(chapter, pageNumber) {
  const modalChapter = document.querySelector('.continue-reading-modal .modal-chapter');
  if (modalChapter) {
    let text = `第${chapter.number}章：${chapter.title}`;
    if (pageNumber && pageNumber > 1) {
      text += ` (第${pageNumber}页)`;
    }
    modalChapter.textContent = text;
  }
}

/**
 * 显示继续阅读弹窗