body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        header { background-color: #ff9933; color: white; padding: 15px 20px; text-align: center; }
        .logo { font-size: 28px; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: space-around; margin-top: 10px; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 24px; }
        main { max-width: 1200px; margin: 20px auto; padding: 0 15px; }
        article { background-color: white; padding: 25px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); margin-bottom: 30px; }
        h1, h2, h3 { color: #138808; }
        h1 { font-size: 2.2em; margin-bottom: 20px; }
        h2 { font-size: 1.8em; margin: 25px 0 15px; border-bottom: 2px solid #ff9933; padding-bottom: 5px; }
        h3 { font-size: 1.5em; margin: 20px 0 10px; }
        .download-btn, .login-btn { display: inline-block; background-color: #138808; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background-color: #ff9933; }
        img { max-width: 100%; height: auto; margin: 15px 0; border-radius: 5px; }
        .gallery { display: flex; flex-wrap: wrap; justify-content: space-around; }
        .gallery img { width: 30%; min-width: 250px; }
        footer { background-color: #138808; color: white; text-align: center; padding: 20px; }
        .tags { margin: 20px 0; }
        .tags a { background-color: #ff9933; color: white; padding: 5px 10px; margin: 0 5px; border-radius: 3px; text-decoration: none; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; }
            .mobile-menu-btn { display: block; }
            .nav-active { display: flex !important; }
            .gallery img { width: 100%; }
        }