代码如下：
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>在线测验</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="quiz-container">
<h1>📖 在线测验</h1>
<form id="quizForm">
<div class="question">
<p>1. HTML 的全称是什么？</p>
<label><input type="radio" name="q1" value="A"> A) Hyper Trainer Marking Language</label><br>
<label><input type="radio" name="q1" value="B"> B) Hyper Text Markup Language</label><br>
<label><input type="radio" name="q1" value="C"> C) High Tech Modern Language</label><br>
</div>
<div class="question">
<p>2. JavaScript 主要用于？</p>
<label><input type="radio" name="q2" value="A"> A) 服务器端编程</label><br>
<label><input type="radio" name="q2" value="B"> B) 样式美化</label><br>
<label><input type="radio" name="q2" value="C"> C) 网页交互</label><br>
</div>
<button type="submit">提交答案</button>
</form>
<div id="re
