    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
            background-color: #f4f4f4;
            color: #333;
        }
        .container {
            max-width: 1200px; /* 调整宽度以适应双列布局 */
            margin: auto;
	    text-align: center;
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        /* 新增：用于包裹模块的网格容器 */
        .modules-grid {
            display: grid;
            grid-template-columns: 1fr 1fr; /* 创建两列等宽的网格 */
            gap: 20px; /* 设置模块之间的间距 */
        }
        .module {
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 8px;
            background-color: #fdfdfd;
        }
        .module h2 {
            margin-top: 0;
            color: #0056b3;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 10px;
        }
        .loading {
            font-style: italic;
            color: #777;
        }
        .error-message {
            color: red;
            font-weight: bold;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 10px;
        }
        th, td {
            padding: 10px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        th {
            background-color: #f0f0f0;
        }
        .api-credit {
            font-size: 0.8em;
            color: #555;
            margin-top: 10px;
        }
        input[type="number"], input[type="text"], select, button {
            padding: 8px;
            margin-top: 5px;
            border-radius: 4px;
            border: 1px solid #ccc;
            font-size: 1em;
            width: calc(100% - 18px); /* 让输入框自适应宽度 */
        }
        select {
             width: 100%;
        }
        button {
            width: 100%;
            background-color: #0056b3;
            color: white;
            cursor: pointer;
            border: none;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #004494;
        }
        .site-footer {
            text-align: center;
            padding: 20px 0;
            font-size: 0.9em;
            color: #777;
        }
        .site-footer a {
            color: #555;
            text-decoration: none;
            transition: color 0.3s;
        }
        .site-footer a:hover {
            text-decoration: underline;
            color: #0056b3;
        }
        /* 新增：响应式布局，在小屏幕上变为单列 */
        @media (max-width: 768px) {
            .modules-grid {
                grid-template-columns: 1fr;
            }
        }
    </style>
