body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: #0a0a2a;
            color: #e0e0ff;
        }
        header {
            background-color: #1a1a4a;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 30px;
            position: relative;
        }
        .logo {
            font-size: 2.5em;
            font-weight: bold;
            color: #ffcc00;
            text-shadow: 2px 2px 4px #000;
            margin-bottom: 10px;
        }
        nav ul {
            list-style-type: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        nav ul li {
            background-color: #2a2a6a;
            padding: 8px 15px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        nav ul li:hover {
            background-color: #3a3a8a;
            transform: translateY(-2px);
        }
        nav ul li a {
            color: #e0e0ff;
            text-decoration: none;
            font-weight: 500;
        }
        .mobile-menu-btn {
            display: none;
            background-color: #ffcc00;
            color: #0a0a2a;
            border: none;
            padding: 10px 15px;
            border-radius: 5px;
            font-size: 1.2em;
            cursor: pointer;
            position: absolute;
            top: 20px;
            right: 20px;
        }
        h1 {
            color: #ffcc00;
            font-size: 2.2em;
            margin-bottom: 20px;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 10px;
        }
        h2 {
            color: #ff9900;
            font-size: 1.8em;
            margin: 30px 0 15px;
        }
        h3 {
            color: #ff6600;
            font-size: 1.5em;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 15px;
        }
        .highlight {
            background-color: #2a2a6a;
            padding: 15px;
            border-left: 4px solid #ffcc00;
            margin: 20px 0;
        }
        .download-btn, .login-btn {
            display: inline-block;
            background-color: #4CAF50;
            color: white;
            padding: 12px 25px;
            text-align: center;
            text-decoration: none;
            font-size: 1.1em;
            margin: 10px 5px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .login-btn {
            background-color: #2196F3;
        }
        .download-btn:hover {
            background-color: #45a049;
        }
        .login-btn:hover {
            background-color: #0b7dda;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 2px solid #ffcc00;
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0;
        }
        .tag {
            background-color: #3a3a8a;
            padding: 5px 10px;
            border-radius: 15px;
            color: #e0e0ff;
            text-decoration: none;
            font-size: 0.9em;
        }
        footer {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid #3a3a8a;
            text-align: center;
            font-size: 0.9em;
            color: #a0a0ff;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                margin-top: 20px;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }
            h1 {
                font-size: 1.8em;
            }
            h2 {
                font-size: 1.5em;
            }
            h3 {
                font-size: 1.3em;
            }
        }