body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f4f4f4;
        }

        h1 {
            color: #2c3e50;
            text-align: center;
            margin-bottom: 30px;
        }

        .os-header {
            background-color: #4b6cb7;
            color: white;
            padding: 15px;
            margin-top: 30px;
            margin-bottom: 20px;
            font-size: 20px;
            text-align: center;
            font-weight: bold;
        }

        .download-section {
            background-color: white;
            padding: 20px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
        }

        .divider {
            border: 0;
            height: 1px;
            background-color: #e0e0e0;
            margin: 15px 0;
        }

        .system-divider {
            border: 0;
            height: 2px;
            background-color: #4b6cb7;
            margin: 30px 0;
        }

        h3, h4 {
            color: #2c3e50;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }

        th, td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: center;
        }

        th {
            background-color: #f2f2f2;
            font-weight: bold;
        }

        .download-link, .na-text {
            display: inline-block;
            padding: 6px 12px;
            text-decoration: none;
            margin: 2px 0;
        }

        .download-link {
            background-color: #4b6cb7;
            color: white;
        }

            .download-link:hover {
                background-color: #1a76d2;
            }

        .na-text {
            background-color: #ecf0f1;
            color: #7f8c8d;
        }

        .floating-note {
            position: fixed;
            left: -380px; /* 初始状态隐藏大部分内容 */
            top: 8px;
            width: 370px;
            background-color: #4b6cb7;
            border: 1px solid #4b6cb7;
            border-radius: 5px;
            padding: 15px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            z-index: 1000;
            transition: left 0.3s ease-in-out;
        }

            .floating-note:hover {
                left: 0; /* 鼠标悬停时完全展开 */
            }

            .floating-note h3 {
                margin-top: 0;
                color: #7d6608;
            }

            .floating-note pre {
                background-color: #FFFFFF;
                padding: 10px;
                border-radius: 3px;
                overflow-x: auto;
                font-size: 13px;
                width: 340px;
            }

        .floating-note-label {
            position: absolute;
            right: -68px;
            top: 4%;
            background-color: #4b6cb7;
            color: #FFFFFF;
            padding: 5px 10px;
            border-radius: 0 0 5px 5px;
            font-weight: bold;
        }
		.bold {
    font-weight: bold;
}