body {
            font-family: 'Open Sans', sans-serif;
            background-color: #ffffff; /* 背景色改为白色 */
            margin: 0;
            padding: 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 20px auto;
            display: flex;
            flex-wrap: wrap;
            background-color: #ffffff;
            border-radius: 10px;
            overflow: hidden;
        }
        .left-column {
            width: 60%;
            padding: 30px;
            box-sizing: border-box;
            background-color: #f2f2f2; /* 左侧区域背景色改为 #f2f2f2 */
        }
        .right-column {
            width: 40%;
            padding: 30px;
            box-sizing: border-box;
            background-color: #333333;
            border-top-right-radius: 10px;
            border-bottom-right-radius: 10px;
            color: #ffffff;
            text-align: right;
        }
        .section-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333333;
        }
        .section-content {
            font-size: 16px;
            line-height: 1.6;
            color: #333333;
            margin-left: -20px;
            padding-left: 20px;
        }

        @media screen and (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            .left-column, .right-column {
                width: 100%;
                border-radius: 0;
                padding: 20px;
            }
            .right-column {
                background-color: #333333;
                color: #ffffff;
                text-align: left;
            }
            .section-content {
                margin-left: 0;
                padding-left: 0;
            }
        }