<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>{{ title }}</title>
    <!-- 引入 pyecharts 的 JS 依赖 -->
    <script src="https://cdn.jsdelivr.net/npm/echarts@5/dist/echarts.min.js"></script>
    <style>
        body {
            font-family: Arial, sans-serif;
        }
        .chart-container {
        }
    </style>
</head>
<body>
    <h1>{{ title }}</h1>
    {% for chart in charts %}
        <div class="chart-container">
            <h2>{{ chart.year }} 年</h2>