<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
    <title>人教版 三年级上册 第四单元 重点单词默写纸打印版 - 亿文单词</title>
    <script src="https://cdn.jsdelivr.net/npm/html2pdf.js@0.10.1/dist/html2pdf.bundle.min.js"></script>
    <style>
        @charset "UTF-8";
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            background-color: #f5f7fa;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: env(safe-area-inset-top);
        }
        .header-nav {
            background-color: #ffffff;
            box-shadow: 0 1px 6px rgba(0,0,0,0.08);
            padding: 0 15px;
            position: sticky;
            top: 0;
            z-index: 100;
            padding-top: env(safe-area-inset-top);
        }
        .nav-container {
            max-width: 1000px;
            margin: 0 auto;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .nav-logo {
            font-size: 18px;
            font-weight: 600;
            color: #3498db;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            gap: 28px;
        }
        .nav-menu a {
            text-decoration: none;
            color: #555;
            font-size: 14px;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: #3498db;
            font-weight: 600;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 8px;
        }
        .hamburger span {
            width: 22px;
            height: 3px;
            background: #555;
            border-radius: 2px;
        }
        .nav-menu-mobile {
            display: none;
            position: absolute;
            top: 56px;
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            flex-direction: column;
            z-index: 99;
        }
        .nav-menu-mobile.active {
            display: flex;
        }
        .nav-menu-mobile a {
            padding: 11px 20px;
            color: #555;
            text-decoration: none;
            font-size: 15px;
        }
        .nav-menu-mobile a.active {
            color: #3498db;
            font-weight: 600;
            background: #f8f9fa;
        }
        .main-wrap {
            flex: 1;
            padding: 24px 16px;
            max-width: 900px;
            margin: 0 auto;
            width: 100%;
        }
        .footer-info {
            background: white;
            border-top: 1px solid #eee;
            padding: 16px;
            text-align: center;
            color: #888;
            font-size: 13px;
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        .print-btn-box {
            text-align: right;
            margin-bottom: 20px;
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }
        #printBtn {
            background: #3498db;
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: 6px;
            font-size: 15px;
            cursor: pointer;
        }
        #printBtn:hover {
            background: #2980b9;
        }
        #pdfBtn {
            background: #27ae60;
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: 6px;
            font-size: 15px;
            cursor: pointer;
        }
        #pdfBtn:hover {
            background: #1e8449;
        }

        .write-wrap {
            background: #fff;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        }
        .write-title {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            color: #222;
            margin-bottom: 25px;
        }
        .info-row {
            display: flex;
            gap: 40px;
            margin-bottom: 30px;
            font-size: 14px;
            justify-content: center;
            page-break-inside: avoid;
            break-inside: avoid;
        }
        .info-item span {
            font-weight: 500;
            margin-right: 8px;
        }
        .info-item input {
            border: none;
            border-bottom: 1px solid #333;
            width: 140px;
            padding: 3px 6px;
            font-size: 14px;
            outline: none;
        }

        .word-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px 16px;
        }
        .w {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            page-break-inside: avoid;
            break-inside: avoid;
        }
        .l {
            height: 48px;
            position: relative;
            margin-bottom: 8px;
            overflow: hidden;
            width: 100%;
        }
        .l > span {
            position: absolute;
            left: 0;
            width: 100%;
            height: 1.5px;
            background-color: #333;
        }
        .l1 { top: 0; }
        .l2 { top: 12px; }
        .l3 { top: 24px; }
        .l4 { top: 36px; }

        .word-mean {
            font-size: 15px;
            color: #444;
            text-align: center;
        }

        .print-tip {
            margin-top: 35px;
            font-size: 13px;
            color: #666;
            text-align: center;
            display: none;
            page-break-inside: avoid;
            break-inside: avoid;
        }
        .pdf-show {
            display: block !important;
        }
        /* 二维码容器，网页默认隐藏 */
        .qrcode {
            display: none;
            margin-top: 20px;
            text-align: center;
            break-inside: avoid;
        }
        .qrcode img {
            width: 80px;
            height: auto;
        }

        @media (max-width: 640px) {
            .word-list {
                grid-template-columns: 1fr;
            }
            .info-row {
                flex-direction: column;
                gap:12px;
                align-items: center;
            }
        }

        @media print {
            * {
                -webkit-print-color-adjust: exact !important;
                print-color-adjust: exact !important;
            }
            .header-nav,
            .print-btn-box,
            .footer-info {
                display: none !important;
            }
            .main-wrap {
                padding: 0;
                max-width: 100%;
            }
            .write-wrap {
                box-shadow: none;
                padding: 0;
            }
            .print-tip {
                display: block !important;
            }
            /* 打印时显示二维码 */
            .qrcode {
                display: block !important;
            }
            body {
                background: #fff;
            }
            .word-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px 12px;
            }
            .l > span {
                background-color: #000;
                height: 1.5px;
            }
            .info-row {
                justify-content: center;
                font-size: 13px;
            }
            .info-item input {
                border-bottom: 1px solid #000;
                font-size: 13px;
            }
            .w {
                page-break-inside: avoid !important;
                break-inside: avoid !important;
            }
        }
    </style>

       <script>
    var _hmt = _hmt || [];
    (function() {
      var hm = document.createElement("script");
      hm.src = "https://hm.baidu.com/hm.js?382dae31ee0c7a603966bb74e6500436";
      var s = document.getElementsByTagName("script")[0]; 
      s.parentNode.insertBefore(hm, s);
    })();
    </script>
</head>
<body>

<header class="header-nav">
    <div class="nav-container">
        <div class="nav-logo"><img src="/img/logo.png" alt="亿文单词"></div>
        <nav class="nav-menu">
            <a href="/">首页</a>
            <a href="#" id="wcard">单词卡片</a>
            <a href="/m/rjb_3ns_u4_lx.html" >单词默写</a>
            <a href="/t/rjb_3ns_u4_lx.html">单词听写</a>
            <a href="/h/rjb_3ns_u4_lx.html">释义选择</a>
            <a href="/b/rjb_3ns_u4_lx.html">有声词表</a>
            <a href="/files/xuanke.html">选课中心</a>
        </nav>
        <div class="hamburger" id="hamburger">
            <span></span><span></span><span></span>
        </div>
        <nav class="nav-menu-mobile" id="navMenuMobile">
            <a href="/">首页</a>
            <a href="#" id="wcard">单词卡片</a>
            <a href="/m/rjb_3ns_u4_lx.html" >单词默写</a>
            <a href="/t/rjb_3ns_u4_lx.html">单词听写</a>
            <a href="/h/rjb_3ns_u4_lx.html">释义选择</a>
            <a href="/b/rjb_3ns_u4_lx.html">有声词表</a>
            <a href="/files/xuanke.html">选课中心</a>
        </nav>
    </div>
</header>

<div class="main-wrap">
    <div class="print-btn-box">
        <button id="printBtn">打印默写纸</button>
        <button id="pdfBtn">下载PDF文件</button>
    </div>

    <div id="pdfContent" class="write-wrap">
        <h2 class="write-title">人教版 三年级上册 第四单元 重点单词默写</h2>

        <div class="info-row">
            <div class="info-item">
                <span>年级：</span>
                <input type="text" >
            </div>
            <div class="info-item">
                <span>姓名：</span>
                <input type="text" >
            </div>
        </div>

        <div class="word-list">
           
 <div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">鸭子</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">小鸡</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">兔子</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">宠物</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">蛇</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">海龟</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">小的</div></div>
<div class="w"><div class="l"><span class="l1"></span><span class="l2"></span><span class="l3"></span> <span class="l4"></span></div><div class="word-mean">长的</div></div>
 

        </div>

        <div class="print-tip">
              此页面由亿文单词网[eword.51yww.com]提供，网站可以免注册在线完成单词默写，听写、查看单词表等功能 。 
        </div>
        <!-- 二维码区块：仅打印/PDF显示，网页隐藏 -->
        <div class="qrcode">
            <!-- 替换src为你的二维码图片地址 -->
            <img src="/img/qrcode.png" alt="亿文单词">
            <p style="font-size:12px;margin-top:4px;">扫码访问</p>
        </div>
    </div>
</div>

<footer class="footer-info">
     Copyright © 2026 亿文单词网 All Rights Reserved
</footer>

<script>
    const hamburger = document.getElementById('hamburger');
    const navMenuMobile = document.getElementById('navMenuMobile');
    hamburger.addEventListener('click', () => navMenuMobile.classList.toggle('active'));
    document.querySelectorAll('.nav-menu-mobile a').forEach(item => {
        item.addEventListener('click', () => navMenuMobile.classList.remove('active'));
    });

    document.getElementById('printBtn').addEventListener('click', () => window.print());

    document.getElementById('pdfBtn').addEventListener('click', () => {
        const target = document.getElementById('pdfContent');
        const tip = document.querySelector('.print-tip');
        const qr = document.querySelector('.qrcode');
        tip.classList.add('pdf-show');
        // PDF导出临时显示二维码
        qr.style.display = 'block';

        const opt = {
            margin: 12,
            filename: '英语单词默写试卷.pdf',
            image: { type: 'jpeg', quality: 1 },
            html2canvas: {
                scale: 3,
                useCORS: true,
                letterRendering: true
            },
            jsPDF: { unit: 'mm', format: 'a4', orientation: 'portrait' },
            onclone: (doc) => {
                doc.querySelectorAll('.l > span').forEach(el => {
                    el.style.background = '#000';
                    el.style.height = '1.5px';
                });
                doc.querySelectorAll('.w').forEach(el=>{
                    el.style.pageBreakInside = 'avoid';
                    el.style.breakInside = 'avoid';
                })
                // 克隆PDF DOM强制二维码显示
                doc.querySelector('.qrcode').style.display = 'block';
            }
        };

        html2pdf().set(opt).from(target).save().then(() => {
            tip.classList.remove('pdf-show');
            qr.style.display = '';
        });
    });
</script>
</body>
</html>