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490 lines
12 KiB
490 lines
12 KiB
<template>
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<view class="richtext-container">
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<!-- 状态栏安全区域 -->
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<uv-status-bar></uv-status-bar>
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<!-- 富文本内容区域 -->
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<view class="content-wrapper">
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<view class="content-container">
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<!-- 使用 uv-parse 组件渲染富文本 -->
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<uv-parse
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v-if="htmlContent"
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:content="htmlContent"
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:tag-style="tagStyle"
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:show-with-animation="true"
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:animation-duration="300"
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></uv-parse>
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<!-- 加载状态 -->
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<view v-else class="loading-container">
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<uv-loading-icon mode="circle"></uv-loading-icon>
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<text class="loading-text">内容加载中...</text>
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</view>
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</view>
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</view>
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<!-- 音频播放悬浮按钮 -->
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<view v-if="audioUrl" :class="['audio-float-btn', { 'playing': isPlaying }]" @click="toggleAudio">
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<uv-icon
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:name="isPlaying ? 'pause-circle-fill' : 'play-circle-fill'"
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size="60"
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:color="isPlaying ? '#ff6b6b' : '#4CAF50'"
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></uv-icon>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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htmlContent: '',
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articleDetail: null, // 文章详情数据
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audioUrl: '', // 音频URL
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isPlaying: false, // 音频播放状态
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audioContext: null, // 音频上下文
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// 富文本样式配置
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tagStyle: {
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p: 'margin: 16rpx 0; line-height: 1.6; color: #333;',
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img: 'max-width: 100%; height: auto; border-radius: 8rpx; margin: 16rpx 0;',
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h1: 'font-size: 36rpx; font-weight: bold; margin: 24rpx 0 16rpx 0; color: #222;',
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h2: 'font-size: 32rpx; font-weight: bold; margin: 20rpx 0 12rpx 0; color: #333;',
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h3: 'font-size: 28rpx; font-weight: bold; margin: 16rpx 0 8rpx 0; color: #444;',
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strong: 'font-weight: bold; color: #222;',
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em: 'font-style: italic; color: #666;',
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ul: 'margin: 16rpx 0; padding-left: 32rpx;',
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ol: 'margin: 16rpx 0; padding-left: 32rpx;',
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li: 'margin: 8rpx 0; line-height: 1.5;',
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blockquote: 'margin: 16rpx 0; padding: 16rpx; background: #f5f5f5; border-left: 4rpx solid #ddd; border-radius: 4rpx;',
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code: 'background: #f5f5f5; padding: 4rpx 8rpx; border-radius: 4rpx; font-family: monospace;',
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pre: 'background: #f5f5f5; padding: 16rpx; border-radius: 8rpx; overflow-x: auto; margin: 16rpx 0;'
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}
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}
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},
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onLoad(options) {
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// 获取传递的富文本内容
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if (options.content) {
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this.htmlContent = decodeURIComponent(options.content)
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} else if(options.articleId) {
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// 从数据库获取文章内容
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this.getArticleContent(options.articleId)
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} else {
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uni.showToast({
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title: '内容加载失败',
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icon: 'error'
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})
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setTimeout(() => {
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this.goBack()
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}, 1500)
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}
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},
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methods: {
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// 返回上一页
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goBack() {
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uni.navigateBack({
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delta: 1
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})
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},
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// 获取文章详情
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async getArticleContent(articleId) {
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try {
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const res = await this.$api.home.getArticleDetail({ id: articleId })
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if (res.code === 200 && res.result) {
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this.articleDetail = res.result
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this.htmlContent = res.result.content
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// 获取第一个音频URL
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if (res.result.audios) {
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const audioKeys = Object.keys(res.result.audios)
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if (audioKeys.length > 0) {
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this.audioUrl = res.result.audios[audioKeys[0]]
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}
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}
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} else {
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uni.showToast({
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title: '文章加载失败',
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icon: 'error'
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})
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setTimeout(() => {
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this.goBack()
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}, 1500)
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}
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} catch (error) {
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console.error('获取文章详情失败:', error)
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uni.showToast({
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title: '网络错误',
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icon: 'error'
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})
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setTimeout(() => {
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this.goBack()
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}, 1500)
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}
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},
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// 创建HTML5 Audio实例并包装为uni-app兼容接口
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createHTML5Audio() {
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const audio = new Audio();
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// 包装为uni-app兼容的接口
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const wrappedAudio = {
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// 原生HTML5 Audio实例
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_nativeAudio: audio,
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// 基本属性
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get src() { return audio.src; },
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set src(value) { audio.src = value; },
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get duration() { return audio.duration || 0; },
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get currentTime() { return audio.currentTime || 0; },
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get paused() { return audio.paused; },
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// 支持倍速的关键属性
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get playbackRate() { return audio.playbackRate; },
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set playbackRate(value) {
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try {
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audio.playbackRate = value;
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} catch (error) {
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console.error('HTML5 Audio倍速设置失败:', error);
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}
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},
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// 基本方法
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play() {
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return audio.play().catch(error => {
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console.error('HTML5 Audio播放失败:', error);
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});
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},
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pause() {
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audio.pause();
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},
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stop() {
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audio.pause();
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audio.currentTime = 0;
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},
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seek(time) {
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audio.currentTime = time;
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},
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destroy() {
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audio.pause();
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audio.src = '';
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audio.load();
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},
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// 事件绑定方法
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onCanplay(callback) {
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audio.addEventListener('canplay', callback);
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},
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onPlay(callback) {
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audio.addEventListener('play', callback);
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},
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onPause(callback) {
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audio.addEventListener('pause', callback);
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},
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onEnded(callback) {
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audio.addEventListener('ended', callback);
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},
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onTimeUpdate(callback) {
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audio.addEventListener('timeupdate', callback);
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},
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onError(callback) {
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// 包装错误事件，过滤掉非关键错误
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const wrappedCallback = (error) => {
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// 只在有src且音频正在播放时才传递错误事件
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if (audio.src && audio.src.trim() !== '' && !audio.paused) {
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callback(error);
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} else {
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console.log('HTML5 Audio错误（已忽略）:', {
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hasSrc: !!audio.src,
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paused: audio.paused,
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errorType: error.type || 'unknown'
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});
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}
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};
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audio.addEventListener('error', wrappedCallback);
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},
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// 移除事件监听
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offCanplay(callback) {
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audio.removeEventListener('canplay', callback);
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},
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offPlay(callback) {
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audio.removeEventListener('play', callback);
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},
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offPause(callback) {
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audio.removeEventListener('pause', callback);
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},
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offEnded(callback) {
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audio.removeEventListener('ended', callback);
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},
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offTimeUpdate(callback) {
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audio.removeEventListener('timeupdate', callback);
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},
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offError(callback) {
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audio.removeEventListener('error', callback);
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}
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};
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return wrappedAudio;
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},
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// 切换音频播放状态
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toggleAudio() {
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if (!this.audioUrl) {
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uni.showToast({
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title: '暂无音频',
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icon: 'none'
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})
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return
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}
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if (this.isPlaying) {
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this.pauseAudio()
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} else {
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this.playAudio()
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}
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},
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// 播放音频
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playAudio() {
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if (!this.audioUrl) {
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console.error('音频URL为空');
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return;
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}
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try {
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// 销毁旧的音频实例
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if (this.audioContext) {
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this.audioContext.destroy();
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this.audioContext = null;
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}
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// 平台判断：H5环境使用createHTML5Audio，其他环境使用uni.createInnerAudioContext
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if (uni.getSystemInfoSync().platform === 'devtools' || process.env.NODE_ENV === 'development' || typeof window !== 'undefined') {
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// H5环境：使用包装的HTML5 Audio
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this.audioContext = this.createHTML5Audio();
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} else {
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// 非H5环境（小程序等）
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this.audioContext = uni.createInnerAudioContext();
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}
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// 设置音频源
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this.audioContext.src = this.audioUrl;
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// 绑定事件监听
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this.audioContext.onPlay(() => {
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this.isPlaying = true;
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});
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this.audioContext.onPause(() => {
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this.isPlaying = false;
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});
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this.audioContext.onEnded(() => {
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this.isPlaying = false;
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});
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this.audioContext.onError((error) => {
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console.error('音频播放错误:', error);
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this.isPlaying = false;
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});
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// 开始播放
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this.audioContext.play();
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} catch (error) {
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console.error('音频播放异常:', error);
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this.isPlaying = false;
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}
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},
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// 暂停音频
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pauseAudio() {
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if (this.audioContext) {
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this.audioContext.pause()
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}
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},
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// 停止音频
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stopAudio() {
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if (this.audioContext) {
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try {
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this.audioContext.stop();
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this.audioContext.destroy();
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this.isPlaying = false;
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this.audioContext = null;
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} catch (error) {
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console.error('停止音频失败:', error);
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}
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}
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}
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},
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// 页面卸载时清理音频资源
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onUnload() {
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this.stopAudio()
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}
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}
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</script>
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<style lang="scss" scoped>
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.richtext-container {
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min-height: 100vh;
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background: #fff;
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}
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.content-wrapper {
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padding: 0 32rpx 40rpx;
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}
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.content-container {
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background: #fff;
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border-radius: 16rpx;
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overflow: hidden;
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}
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.loading-container {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 120rpx 0;
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.loading-text {
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margin-top: 24rpx;
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font-size: 28rpx;
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color: #999;
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}
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}
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// 富文本内容样式优化
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:deep(.uv-parse) {
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font-size: 28rpx;
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line-height: 1.6;
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color: #333;
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// 图片样式
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img {
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max-width: 100% !important;
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height: auto !important;
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border-radius: 8rpx;
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margin: 16rpx 0;
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box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
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}
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// 段落样式
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p {
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margin: 16rpx 0;
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text-align: justify;
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word-break: break-word;
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}
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// 标题样式
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h1, h2, h3, h4, h5, h6 {
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margin: 24rpx 0 16rpx 0;
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font-weight: bold;
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line-height: 1.4;
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}
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// 列表样式
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ul, ol {
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margin: 16rpx 0;
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padding-left: 32rpx;
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li {
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margin: 8rpx 0;
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line-height: 1.5;
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}
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}
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// 引用样式
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blockquote {
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margin: 16rpx 0;
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padding: 16rpx;
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background: #f8f9fa;
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border-left: 4rpx solid $primary-color;
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border-radius: 4rpx;
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font-style: italic;
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}
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// 代码样式
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code {
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background: #f1f3f4;
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padding: 4rpx 8rpx;
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border-radius: 4rpx;
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font-family: 'Courier New', monospace;
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font-size: 24rpx;
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}
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pre {
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background: #f1f3f4;
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padding: 16rpx;
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border-radius: 8rpx;
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overflow-x: auto;
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margin: 16rpx 0;
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code {
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background: none;
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padding: 0;
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}
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}
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}
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// 音频播放悬浮按钮样式
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.audio-float-btn {
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position: fixed;
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right: 60rpx;
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bottom: 120rpx;
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width: 120rpx;
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height: 120rpx;
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background: rgba(255, 255, 255, 0.95);
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.15);
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backdrop-filter: blur(10rpx);
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z-index: 999;
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transition: all 0.3s ease;
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&:active {
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transform: scale(0.95);
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box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.2);
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}
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// 添加呼吸动画效果
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&.playing {
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animation: pulse 2s infinite;
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}
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}
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@keyframes pulse {
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0% {
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box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.15), 0 0 0 0 rgba(76, 175, 80, 0.4);
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}
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70% {
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box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.15), 0 0 0 20rpx rgba(76, 175, 80, 0);
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}
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100% {
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box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.15), 0 0 0 0 rgba(76, 175, 80, 0);
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}
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}
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</style>
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