body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: #FF9933; color: white; padding: 15px 0; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-align: center; }
        nav { display: flex; justify-content: center; gap: 20px; }
        nav a { color: white; text-decoration: none; }
        .mobile-menu { display: none; position: absolute; right: 20px; top: 15px; cursor: pointer; }
        h1 { color: #FF9933; border-bottom: 3px solid #138808; padding-bottom: 10px; }
        h2 { color: #138808; margin-top: 30px; }
        h3 { color: #FF9933; }
        .download-btn, .login-btn { 
            display: inline-block; padding: 12px 25px; margin: 15px 0; 
            background: #138808; 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; }
        footer { background: #333; color: white; padding: 20px; text-align: center; }
        .tags { margin: 20px 0; }
        .tag { background: #FF9933; color: white; padding: 5px 10px; margin: 0 5px; border-radius: 3px; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; }
            .mobile-menu { display: block; }
            .nav-active { display: flex; }
        }