body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            color: #333;
            background-color: #f5f5f5;
        }
        header {
            background-color: #000;
            color: #fff;
            padding: 10px 0;
            text-align: center;
            position: relative;
        }
        header h1 {
            margin: 0;
            font-size: 2em;
        }
        .logo {
            font-weight: bold;
            font-size: 1.5em;
            color: #ff9900;
        }
        nav {
            display: flex;
            justify-content: center;
            background-color: #333;
            padding: 10px 0;
        }
        nav a {
            color: #fff;
            text-decoration: none;
            padding: 0 15px;
        }
        .mobile-nav-toggle {
            display: none;
            position: absolute;
            top: 10px;
            right: 10px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5em;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            nav {
                display: none;
                flex-direction: column;
            }
            nav.active {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
            }
        }
        main {
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 20px;
        }
        section {
            margin-bottom: 30px;
        }
        h2 {
            color: #ff9900;
            border-bottom: 2px solid #ff9900;
            padding-bottom: 5px;
        }
        h3 {
            color: #333;
            margin-top: 20px;
        }
        .download-btn, .login-btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: #ff9900;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            margin: 10px 0;
        }
        .image-container {
            text-align: center;
            margin: 20px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
        }
        footer {
            background-color: #333;
            color: #fff;
            text-align: center;
            padding: 20px 0;
        }
        footer a {
            color: #ff9900;
            text-decoration: none;
        }