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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="新概念英语免费在线点读平台，涵盖全部四册课文音频，支持逐句点读与A-B循环、听力播放、听写训练、播放历史和自定义课程管理，助力系统化英语学习。">
<meta name="keywords" content="新概念英语,在线点读,英语听力,英语学习,NCE">
<link rel="canonical" href="https://nce.hoothin.com/">
<meta property="og:locale" content="zh_CN">
<meta property="og:site_name" content="《新概念英语》在线点读">
<meta property="og:type" content="website">
<meta property="og:title" content="《新概念英语》在线点读">
<meta property="og:description" content="新概念英语免费在线点读平台，涵盖全部四册课文音频，支持逐句点读与A-B循环、听力播放、听写训练、播放历史和自定义课程管理，助力系统化英语学习。">
<meta property="og:url" content="https://nce.hoothin.com/">
<meta property="og:image" content="https://nce.hoothin.com/static/ogimage.jpg">
<meta property="og:image:type" content="image/jpeg">
<meta property="og:image:alt" content="新概念英语在线点读学习界面">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="《新概念英语》在线点读">
<meta name="twitter:description" content="新概念英语免费在线点读平台，涵盖全部四册课文音频，支持逐句点读与A-B循环、听力播放、听写训练、播放历史和自定义课程管理，助力系统化英语学习。">
<meta name="twitter:image" content="https://nce.hoothin.com/static/ogimage.jpg">
<title>《新概念英语》在线点读</title>
<link rel="stylesheet" href="static/base.css">
<link rel="stylesheet" href="static/index.css">
<link rel="manifest" href="static/manifest.json">
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3321669220169470" crossorigin="anonymous"></script>
<script async src="https://www.googletagmanager.com/gtag/js?id=G-5282BCFM9W"></script>
<script>window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}gtag('js',new Date());gtag('config','G-5282BCFM9W');</script>
<script type="application/ld+json">
{"@context":"https://schema.org","@type":"WebApplication","name":"《新概念英语》在线点读","url":"https://nce.hoothin.com/","description":"新概念英语免费在线点读平台，涵盖全部四册课文音频，支持逐句点读与A-B循环、听力播放、听写训练、播放历史和自定义课程管理，助力系统化英语学习。","inLanguage":"zh-CN","applicationCategory":"EducationalApplication","operatingSystem":"Web","image":"https://nce.hoothin.com/static/ogimage.jpg","publisher":{"@type":"Person","name":"hoothin"}}
</script>
</head>
<body>
<canvas id="particle-canvas"></canvas>
<div class="container">
<div class="header index-header">
<div class="header-text">
<h1>新概念英语</h1>
<p>New Concept English</p>
</div>
<button type="button" id="custom-settings-btn" class="settings-btn">自定义设置</button>
</div>
</div>
<div class="book-container history-section" id="history-container" style="display: none;">
<div class="history-header">
<div class="history-title-group">
<span class="history-icon">
<span></span>
<span></span>
<span></span>
</span>
<div>
<h3>最近播放</h3>
<p class="history-subtitle">继续上次停留的课程</p>
</div>
</div>
<button id="expand-history-btn" class="history-toggle-btn">展开</button>
</div>
<hr class="history-divider">
<a id="history-preview" class="history-preview" href="#"></a>
<div id="history-list"></div>
</div>
<style>
#particle-canvas {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
opacity: 0.5;
background-color: var(--bg-color);
}
/* 半透明容器和卡片 */
.book-container {
background-color: rgba(24, 24, 24, 0.75) !important;
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
}
.book-card {
background-color: rgba(40, 40, 40, 0.6) !important;
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
}
.book-card:hover {
background-color: rgba(51, 51, 51, 0.8) !important;
}
.book-card::before {
content: '';
position: absolute;
top: 0;
left: -100%;
z-index: 1;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}
.book-card:hover::before {
left: 100%;
transition: left 0.5s;
}
.history-section {
background-color: rgba(24, 24, 24, 0.75) !important;
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
}
.history-card {
background: rgba(33, 33, 33, 0.7) !important;
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
}
.settings-modal {
backdrop-filter: blur(5px);
-webkit-backdrop-filter: blur(5px);
}
.settings-modal__content {
background: rgba(24, 24, 24, 0.85) !important;
backdrop-filter: blur(15px);
-webkit-backdrop-filter: blur(15px);
}
/* 低性能模式：禁用backdrop-filter */
body.low-performance .book-container,
body.low-performance .book-card,
body.low-performance .history-section,
body.low-performance .history-card,
body.low-performance .settings-modal,
body.low-performance .settings-modal__content,
body.low-performance .index-header .settings-btn,
body.low-performance .history-preview,
body.low-performance .history-toggle-btn,
body.low-performance .settings-actions button,
body.low-performance #custom-data-input {
backdrop-filter: none !important;
-webkit-backdrop-filter: none !important;
}
/* 低性能模式下使用更深的背景色补偿 */
body.low-performance .book-container,
body.low-performance .history-section {
background-color: rgba(24, 24, 24, 0.92) !important;
}
body.low-performance .book-card,
body.low-performance .history-card {
background-color: rgba(40, 40, 40, 0.85) !important;
}
body.low-performance .settings-modal__content {
background: rgba(24, 24, 24, 0.95) !important;
}
.index-header {
position: relative;
}
.index-header .settings-btn {
position: absolute;
top: 20px;
right: 20px;
border-radius: 999px;
border: 1px solid rgba(29, 185, 84, 0.55);
background: rgba(29, 185, 84, 0.15);
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
color: var(--text-color);
padding: 8px 18px;
font-size: 0.92em;
font-weight: 600;
cursor: pointer;
transition: all 0.2s ease;
opacity: 0.3;
}
.index-header .settings-btn:hover {
background: rgba(29, 185, 84, 0.35);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
transform: translateY(-2px);
box-shadow: 0 10px 24px rgba(29, 185, 84, 0.25);
opacity: 1;
}
.index-header .settings-btn:focus {
outline: 2px solid rgba(29, 185, 84, 0.6);
outline-offset: 2px;
}
@media (max-width: 600px) {
.index-header .settings-btn {
top: 16px;
right: 16px;
padding: 6px 14px;
}
}
.history-section {
position: relative;
overflow: hidden;
flex: 0 0 auto;
margin-bottom: 20px;
}
.book-container.history-section.collapsed {
padding: 10px 16px 14px;
}
.history-section::before {
content: "";
position: absolute;
top: -45%;
right: -25%;
width: 70%;
height: 170%;
background: radial-gradient(circle at top right, rgba(29, 185, 84, 0.2), transparent 65%);
pointer-events: none;
}
.history-section > * {
position: relative;
}
.history-header {
display: flex;
justify-content: space-between;
align-items: center;
gap: 20px;
flex-wrap: wrap;
}
.history-section.collapsed .history-header {
gap: 14px;
}
.history-title-group {
display: flex;
align-items: center;
gap: 18px;
flex: 1;
min-width: 240px;
}
.history-section.collapsed .history-title-group {
gap: 12px;
min-width: 200px;
}
.history-title-group h3 {
font-size: 1.25em;
font-weight: 600;
margin: 0;
}
.history-section.collapsed .history-title-group h3 {
font-size: 1.05em;
}
.history-subtitle {
margin-top: 4px;
font-size: 0.85em;
color: var(--text-color-dark);
letter-spacing: 0.3px;
}
.history-section.collapsed .history-subtitle { display: none; }
.history-icon {
display: inline-flex;
align-items: flex-end;
justify-content: center;
gap: 4px;
width: 46px;
height: 46px;
border-radius: 14px;
padding: 8px;
background: linear-gradient(135deg, rgba(29, 185, 84, 0.35), rgba(29, 185, 84, 0.12));
box-shadow: 0 10px 24px rgba(29, 185, 84, 0.2);
}
.history-section.collapsed .history-icon {
width: 34px;
height: 34px;
border-radius: 10px;
padding: 5px;
}
.history-icon span {
width: 5px;
border-radius: 3px;
background: var(--primary-color);
opacity: 0.75;
}
.history-icon span:nth-child(1) { height: 16px; }
.history-icon span:nth-child(2) { height: 26px; }
.history-icon span:nth-child(3) { height: 20px; }
.history-toggle-btn {
display: none;
border-radius: 999px;
padding: 7px 18px;
border: 1px solid rgba(29, 185, 84, 0.45);
background: rgba(29, 185, 84, 0.12);
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
color: var(--text-color);
font-size: 0.85em;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
}
.history-section.collapsed .history-toggle-btn {
padding: 4px 12px;
font-size: 0.75em;
}
.history-toggle-btn:hover {
background: rgba(29, 185, 84, 0.22);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border-color: var(--primary-color);
color: var(--primary-color);
}
.history-divider {
border-top-color: rgba(255, 255, 255, 0.08);
margin: 14px 0 20px;
}
.history-section.collapsed .history-divider { display: none; }
#history-list {
display: flex;
gap: 18px;
overflow-x: auto;
padding: 4px 4px 12px;
scroll-snap-type: x mandatory;
}
.history-section.collapsed #history-list { display: none; }
#history-list::-webkit-scrollbar {
height: 6px;
}
#history-list::-webkit-scrollbar-thumb {
background: rgba(255, 255, 255, 0.18);
border-radius: 999px;
}
.history-card {
background: rgba(33, 33, 33, 0.95);
border-radius: 14px;
border: 1px solid rgba(255, 255, 255, 0.05);
box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
overflow: hidden;
text-decoration: none;
color: inherit;
transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
display: flex;
flex-direction: column;
min-width: 180px;
width: 180px;
scroll-snap-align: start;
}
.history-card:hover {
transform: translateY(-6px) scale(1.015);
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
border-color: rgba(29, 185, 84, 0.5);
}
.history-card img {
width: 100%;
height: 110px;
object-fit: cover;
}
.history-preview {
display: none;
align-items: center;
gap: 14px;
padding: 8px 12px;
border-radius: 12px;
background: rgba(255, 255, 255, 0.06);
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
border: 1px solid rgba(255, 255, 255, 0.08);
transition: border-color 0.2s ease, background 0.2s ease;
text-decoration: none;
color: inherit;
min-height: 48px;
margin-top: 6px;
}
.history-preview:hover {
border-color: rgba(29, 185, 84, 0.45);
background: rgba(29, 185, 84, 0.12);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
}
.history-preview img {
width: 44px;
height: 44px;
border-radius: 10px;
object-fit: cover;
}
.history-preview-info {
display: flex;
flex-direction: column;
gap: 2px;
}
.history-preview-label {
font-size: 0.75em;
color: var(--text-color-dark);
letter-spacing: 0.4px;
text-transform: uppercase;
}
.history-preview-title {
font-size: 0.9em;
font-weight: 600;
color: var(--text-color);
line-height: 1.3;
}
.history-section.collapsed .history-preview { display: flex; }
.history-card-info {
padding: 12px 14px 16px;
flex-grow: 1;
display: flex;
flex-direction: column;
gap: 6px;
}
.history-card-title {
font-weight: 600;
font-size: 0.95em;
margin: 0;
color: var(--text-color);
line-height: 1.4;
}
.history-card-book {
font-size: 0.75em;
color: var(--text-color-dark);
margin: 0;
letter-spacing: 0.4px;
}
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display: grid !important;
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</style>
<div class="book-container">
<div class="book-header">
<h3>全四册课文导航</h3>
</div>
<hr>
<div class="books-nav">
<a href="book.html#NCE1">
<div class="book-card" data-book="1">
<img src="images/NCE1.jpg" alt="First Things First">
<div class="book-info">
<div class="book-number">第一册</div>
<div class="book-title">First Things First</div>
<div class="book-subtitle">英语初阶</div>
<div class="lesson-count">144课</div>
</div>
</div>
</a>
<a href="book.html#NCE2">
<div class="book-card" data-book="2">
<img src="images/NCE2.jpg" alt="Practice and Progress">
<div class="book-info">
<div class="book-number">第二册</div>
<div class="book-title">Practice and Progress</div>
<div class="book-subtitle">实践与进步</div>
<div class="lesson-count">96课</div>
</div>
</div>
</a>
<a href="book.html#NCE3">
<div class="book-card" data-book="3">
<img src="images/NCE3.jpg" alt="Developing Skills">
<div class="book-info">
<div class="book-number">第三册</div>
<div class="book-title">Developing Skills</div>
<div class="book-subtitle">培养技能</div>
<div class="lesson-count">60课</div>
</div>
</div>
</a>
<a href="book.html#NCE4">
<div class="book-card" data-book="4">
<img src="images/NCE4.jpg" alt="Fluency in English">
<div class="book-info">
<div class="book-number">第四册</div>
<div class="book-title">Fluency in English</div>
<div class="book-subtitle">流利英语</div>
<div class="lesson-count">48课</div>
</div>
</div>
</a>
</div>
</div>
<div id="custom-settings-modal" class="settings-modal" aria-hidden="true">
<div class="settings-modal__content" role="dialog" aria-modal="true" aria-labelledby="custom-settings-title">
<button type="button" id="custom-data-close" class="settings-modal__close" aria-label="关闭">×</button>
<h2 id="custom-settings-title">自定义数据</h2>
<p class="settings-description">请输入 JSON 对象，形如 { "书名": [{ "title": "课名", "filename": "https://.../音频.mp3", "lrc": "https://.../歌词.lrc" }] }。</p>
<form id="custom-data-form">
<textarea id="custom-data-input" name="customData" placeholder='{"我的收藏": [{"title": "自定义课文", "filename": "https://example.com/audio.mp3"}]}'></textarea>
<div class="settings-actions">
<button type="submit" class="primary">保存</button>
<button type="button" id="custom-data-clear">清空</button>
<button type="button" id="custom-data-cancel">取消</button>
</div>
<div id="custom-data-feedback" class="settings-feedback" role="status" aria-live="polite"></div>
</form>
<a href="https://github.com/hoothin/NCE/discussions/categories/%E8%87%AA%E5%AE%9A%E4%B9%89%E8%8B%B1%E8%AF%AD%E8%AF%BE%E6%9C%AC%E5%88%86%E4%BA%AB">自定义课本分享</a>
</div>
</div>
<footer>
<hr>
<p>© 2025 <a target="_blank" href="https://www.hoothin.com">hoothin</a>.</p>
</footer>
<script src="static/particle-bg.js"></script>
<script src="static/utils.js"></script>
<script>
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cover: cover || createPlaceholderCover(bookName, PLACEHOLDER_CARD_OPTIONS),
label: bookName,
title: item.title || '未命名课程'
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const cover = defaultBookImages[book] || defaultBookImages['1'];
const lesson = encodeURIComponent(item && item.lesson ? item.lesson : '');
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href: `lesson.html#NCE${book}/${lesson}`,
cover,
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info.className = 'history-card-info';
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const info = document.createElement('div');
info.className = 'history-preview-info';
const label = document.createElement('span');
label.className = 'history-preview-label';
label.textContent = '继续播放';
const title = document.createElement('span');
title.className = 'history-preview-title';
title.textContent = meta.title;
info.append(label, title);
historyPreview.append(img, info);
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historyList.innerHTML = '';
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updateHistoryPreview(firstMeta);
if (expandBtn) {
expandBtn.style.display = history.length > 1 ? 'inline-block' : 'none';
expandBtn.textContent = '展开';
expandBtn.onclick = null;
if (history.length > 1) {
let isExpanded = false;
expandBtn.onclick = () => {
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function clearCustomCards() {
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booksNav.querySelectorAll('a[data-custom-book-anchor]').forEach((anchor) => anchor.remove());
}
function renderCustomBooks() {
if (!booksNav) {
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}
clearCustomCards();
const customData = getRuntimeCustomData();
const entries = customData ? Object.entries(customData) : [];
if (!entries.length) {
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}
entries.forEach(([bookKey, lessons]) => {
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}
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renderHistory();
renderCustomBooks();
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