body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; margin: 20px 0; text-align: center; }
        nav { background: #333; padding: 10px; display: flex; justify-content: space-around; }
        nav a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; }
        h1 { color: #FF6B35; border-bottom: 2px solid #FF6B35; }
        h2 { color: #2C3E50; }
        h3 { color: #4A6491; }
        .download-btn, .login-btn { 
            display: inline-block; 
            padding: 12px 30px; 
            margin: 15px 0; 
            background: #FF6B35; 
            color: white; 
            text-decoration: none; 
            border-radius: 5px; 
            font-weight: bold; 
        }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; }
        .tags { margin: 20px 0; }
        .tag { background: #E8F4F8; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 20px; }
        footer { margin-top: 40px; padding: 20px; background: #333; color: white; text-align: center; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-nav-toggle { display: block; text-align: center; background: #FF6B35; color: white; padding: 10px; }
            .desktop-nav { display: none; }
            .desktop-nav.active { display: flex; flex-direction: column; }
        }