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    resultStats.innerHTML = `总题数：${total} | 正确：${correctCount} | 错误：${wrong} | 正确率：${rate}% | 用时：${sec}秒`;
    resultSection.style.display = 'block';
    renderDetail('all');
}

function renderDetail(type) {
    detailList.innerHTML = '';
    let list = type === 'wrong' ? record.filter(i => !i.isCorrect) : record;
    if (list.length === 0) {
        detailList.innerHTML = `<div style="text-align:center;padding:20px;">暂无数据</div>`;
        return;
    }
    list.forEach((item, i) => {
        const dom = document.createElement('div');
        dom.className = 'detail-item';
        dom.innerHTML = `
            <div class="detail-en">${i+1}. ${item.en}</div>
            <div>你的答案：${item.user}</div>
            <div>正确答案：${item.cn}</div>
            <div class="${item.isCorrect ? 'detail-correct' : 'detail-wrong'}">
                ${item.isCorrect ? '✓ 正确' : '✗ 错误'}
            </div>
        `;
        detailList.appendChild(dom);
    });
}

tabs.forEach(t => {
    t.onclick = () => {
        tabs.forEach(x => x.classList.remove('active'));
        t.classList.add('active');
        renderDetail(t.dataset.tab);
    };
});

startTimer();
updateStatus();
loadQuestion();


window.addEventListener('DOMContentLoaded', function() {
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</script>
</body>
</html>