body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f9f9f9; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #ff6b35; color: white; padding: 15px 0; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; }
        .mobile-menu-btn { display: none; position: absolute; top: 15px; right: 15px; }
        h1 { font-size: 2.5em; margin-bottom: 20px; color: #2c3e50; }
        h2 { font-size: 1.8em; margin-top: 30px; color: #e74c3c; border-bottom: 2px solid #e74c3c; padding-bottom: 5px; }
        h3 { font-size: 1.4em; margin-top: 25px; color: #3498db; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background-color: #2ecc71; color: white; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background-color: #27ae60; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        footer { background-color: #2c3e50; color: white; text-align: center; padding: 20px 0; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #3498db; color: white; padding: 5px 10px; border-radius: 3px; margin: 5px; text-decoration: none; }
        @media (max-width: 768px) {
            .mobile-menu-btn { display: block; }
            nav { display: none; flex-direction: column; align-items: center; }
            nav.active { display: flex; }
            h1 { font-size: 2em; }
            h2 { font-size: 1.5em; }
        }