:root { --primary-color: #0056b3; --text-color: #333; }
        body { font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; color: var(--text-color); margin: 0; padding: 20px; }
        .container { max-width: 1000px; margin: auto; }
        
        /* 标题部分 */
        .product-title { text-align: center; color: var(--primary-color); }
        
        /* 图片与板块布局 */
        .section { display: flex; flex-wrap: wrap; align-items: center; margin: 40px 0; gap: 20px; }
        .img-box { flex: 1; min-width: 300px; }
        .img-box img { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
        .content-box { flex: 1; min-width: 300px; }
        
        /* 列表样式 */
        .highlights { list-style: none; padding: 0; }
        .highlights li { margin-bottom: 15px; padding-left: 25px; position: relative; }
        .highlights li::before { content: "✔"; color: var(--primary-color); position: absolute; left: 0; font-weight: bold; }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .section { flex-direction: column; text-align: center; }
        }