/* roulang page: index */
body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-image: url('/assets/images/6567c8f5e136558f.jpg');
            background-size: cover;
            color: #333;
        }
        .container {
            max-width: 1200px;
            margin: 20px auto;
            padding: 20px;
            background-color: rgba(255, 255, 255, 0.8);
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        header {
            text-align: center;
            padding: 20px 0;
            margin-bottom: 20px;
            border-bottom: 1px solid #ddd;
        }
        h1 {
            color: #007bff;
        }
        section {
            margin-bottom: 30px;
            padding: 20px;
            background-color: #f9f9f9;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        h2 {
            color: #28a745;
            border-bottom: 2px solid #28a745;
            padding-bottom: 5px;
            margin-bottom: 15px;
        }
        .features, .benefits {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
        }
        .feature, .benefit {
            width: 300px;
            margin-bottom: 20px;
            padding: 15px;
            border: 1px solid #eee;
            border-radius: 8px;
            text-align: center;
            background-color: #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }
        .feature img, .benefit img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }
        footer {
            text-align: center;
            padding: 10px 0;
            background-color: #f0f0f0;
            border-top: 1px solid #ddd;
            font-size: 0.9em;
        }
        .cover-image {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 20px;
        }