287 lines
8.7 KiB
JavaScript
287 lines
8.7 KiB
JavaScript
"use client";
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import { useEffect, useRef } from "react";
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import Reveal from 'reveal.js';
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import 'reveal.js/dist/reveal.css';
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import 'reveal.js/dist/theme/white.css';
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import { marked } from 'marked';
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export default function UI({ data, showNavButtons = false }) {
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const deckRef = useRef(null);
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const revealRef = useRef(null);
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useEffect(() => {
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if (!data) return;
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// 配置 marked 解析器
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marked.setOptions({
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breaks: true,
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gfm: true,
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headerIds: false,
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mangle: false,
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});
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// 将 markdown 内容转换为幻灯片
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const slides = parseMarkdownToSlides(data);
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// 更新 deck 内容
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if (deckRef.current) {
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deckRef.current.innerHTML = slides;
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}
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// 初始化 Reveal.js
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if (revealRef.current) {
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revealRef.current.destroy();
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}
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revealRef.current = new Reveal(deckRef.current, {
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hash: true,
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transition: 'slide',
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transitionSpeed: 'default',
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backgroundTransition: 'fade',
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controls: true,
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progress: true,
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center: true,
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touch: true,
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loop: false,
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rtl: false,
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navigationMode: 'default',
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shuffle: false,
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fragments: true,
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fragmentInURL: false,
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embedded: false,
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help: true,
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showNotes: false,
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autoPlayMedia: null,
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preloadIframes: null,
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autoSlide: 0,
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autoSlideStoppable: true,
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autoSlideMethod: Reveal.navigateNext,
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defaultTiming: null,
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mouseWheel: false,
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hideInactiveCursor: true,
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hideCursorTime: 5000,
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previewLinks: false,
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postMessage: true,
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postMessageEvents: false,
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focusBodyOnPageVisibilityChange: true,
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viewDistance: 3,
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mobileViewDistance: 2,
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display: 'block',
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hideAnchorsOnUrl: false,
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plugins: []
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});
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revealRef.current.initialize();
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// 清理函数
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return () => {
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if (revealRef.current) {
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revealRef.current.destroy();
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}
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};
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}, [data]);
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// 将数据解析为幻灯片
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const parseMarkdownToSlides = (data) => {
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if (!data) {
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return `<section><h1>演示文稿</h1><p>暂无内容</p></section>`;
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}
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// 如果有 content 字段，直接使用 markdown 内容
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if (data.content) {
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const slideSeparators = /^---$/gm;
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const sections = data.content.split(slideSeparators);
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return sections.map((section, index) => {
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const trimmedSection = section.trim();
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if (!trimmedSection) return '';
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const htmlContent = marked(trimmedSection);
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// 如果是第一个幻灯片且没有标题，添加标题
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if (index === 0 && !htmlContent.includes('<h1>') && data.title) {
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return `<section><h1>${data.title}</h1>${htmlContent}</section>`;
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}
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return `<section>${htmlContent}</section>`;
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}).join('');
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}
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// 如果没有 content 字段，使用 items 数据构建幻灯片
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const items = data.items || [];
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if (items.length === 0) {
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// 使用主数据构建单个幻灯片
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return `<section>
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<h1>${data.title || '演示文稿'}</h1>
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${data.subtitle ? `<p class="lead">${data.subtitle}</p>` : ''}
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${data.description ? `<div class="mt-4">${marked(data.description)}</div>` : ''}
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${data.image ? `<img src="${data.image}" alt="${data.title}" style="max-width: 100%; height: auto; margin: 1rem 0;" />` : ''}
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</section>`;
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}
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// 使用 items 构建多个幻灯片
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return items.map((item, index) => {
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const slideContent = [];
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// 标题
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if (item.item_title) {
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slideContent.push(`<h1>${item.item_title}</h1>`);
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}
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// 副标题
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if (item.item_subtitle) {
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slideContent.push(`<p class="lead">${item.item_subtitle}</p>`);
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}
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// 描述
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if (item.item_description) {
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slideContent.push(`<div class="mt-4">${marked(item.item_description)}</div>`);
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}
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// 图片
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if (item.item_image) {
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slideContent.push(`<img src="${item.item_image}" alt="${item.item_title || 'Slide'}" style="max-width: 100%; height: auto; margin: 1rem 0;" />`);
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}
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// 视频
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if (item.item_video_src) {
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slideContent.push(`<video controls style="max-width: 100%; height: auto; margin: 1rem 0;">
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<source src="${item.item_video_src}" type="video/mp4">
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您的浏览器不支持视频播放。
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</video>`);
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}
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// 按钮
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if (item.item_button_text && item.item_button_link) {
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slideContent.push(`<div class="mt-6">
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<a href="${item.item_button_link}" class="btn btn-primary" target="_blank" rel="noopener noreferrer">
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${item.item_button_text}
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</a>
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</div>`);
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}
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return `<section>${slideContent.join('')}</section>`;
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}).join('');
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};
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return (
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<div className="reveal-container" style={{ height: '100vh', width: '100%', position: 'fixed', top: 0, left: 0, zIndex: 1000, background: 'white' }}>
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<style jsx global>{`
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.reveal-container .reveal {
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height: 100% !important;
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width: 100% !important;
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}
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.reveal-container .reveal .slides {
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height: 100% !important;
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}
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.reveal-container .reveal .slides section {
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height: 100% !important;
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display: flex !important;
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flex-direction: column !important;
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justify-content: center !important;
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align-items: center !important;
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text-align: center !important;
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padding: 2rem !important;
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}
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.reveal-container .reveal .slides section h1,
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.reveal-container .reveal .slides section h2,
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.reveal-container .reveal .slides section h3,
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.reveal-container .reveal .slides section h4,
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.reveal-container .reveal .slides section h5,
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.reveal-container .reveal .slides section h6 {
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margin-bottom: 1rem !important;
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color: #333 !important;
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}
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.reveal-container .reveal .slides section p {
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margin-bottom: 0.5rem !important;
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line-height: 1.6 !important;
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}
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.reveal-container .reveal .slides section ul,
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.reveal-container .reveal .slides section ol {
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text-align: left !important;
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margin: 1rem 0 !important;
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}
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.reveal-container .reveal .slides section li {
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margin-bottom: 0.5rem !important;
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}
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.reveal-container .reveal .slides section code {
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background: #f4f4f4 !important;
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padding: 0.2rem 0.4rem !important;
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border-radius: 3px !important;
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font-family: 'Courier New', monospace !important;
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}
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.reveal-container .reveal .slides section pre {
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background: #f4f4f4 !important;
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padding: 1rem !important;
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border-radius: 5px !important;
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text-align: left !important;
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overflow-x: auto !important;
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}
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.reveal-container .reveal .slides section blockquote {
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border-left: 4px solid #ddd !important;
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padding-left: 1rem !important;
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margin: 1rem 0 !important;
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text-align: left !important;
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}
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.reveal-container .reveal .slides section table {
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border-collapse: collapse !important;
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width: 100% !important;
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margin: 1rem 0 !important;
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}
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.reveal-container .reveal .slides section th,
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.reveal-container .reveal .slides section td {
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border: 1px solid #ddd !important;
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padding: 0.5rem !important;
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text-align: left !important;
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}
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.reveal-container .reveal .slides section th {
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background: #f4f4f4 !important;
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}
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.reveal-container .reveal .slides section img {
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max-width: 100% !important;
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height: auto !important;
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margin: 1rem 0 !important;
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}
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.reveal-container .reveal .slides section .btn {
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display: inline-block !important;
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padding: 0.5rem 1rem !important;
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background: #007bff !important;
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color: white !important;
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text-decoration: none !important;
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border-radius: 0.25rem !important;
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margin: 0.5rem !important;
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}
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.reveal-container .reveal .slides section .btn:hover {
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background: #0056b3 !important;
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}
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`}</style>
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<div
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ref={deckRef}
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className="reveal"
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style={{ height: '100%', width: '100%' }}
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>
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{/* 初始内容，会被 JavaScript 替换 */}
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<section>
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<h1>{data?.title || '演示文稿'}</h1>
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<p>正在加载内容...</p>
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</section>
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</div>
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</div>
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);
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}
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