body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        h1, h2, h3 { color: #0a5c42; margin: 25px 0 15px; }
        h1 { font-size: 2.2em; border-bottom: 3px solid #ff9900; padding-bottom: 10px; }
        h2 { font-size: 1.8em; border-left: 5px solid #ff9900; padding-left: 10px; }
        h3 { font-size: 1.5em; color: #e67e22; }
        .logo { font-size: 2.5em; font-weight: bold; color: #ff9900; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); margin: 20px 0; }
        .mobile-nav { display: none; background: #0a5c42; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #0a5c42; padding: 15px; margin-bottom: 30px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: space-around; }
        nav ul li a { color: white; text-decoration: none; font-weight: bold; }
        .download-btn, .login-btn { display: inline-block; background: #ff9900; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .image-container { text-align: center; margin: 25px 0; }
        .image-container img { max-width: 100%; height: auto; border: 3px solid #ff9900; }
        .tags { margin: 20px 0; }
        .tags a { background: #e67e22; color: white; padding: 5px 10px; margin: 0 5px; border-radius: 3px; text-decoration: none; }
        footer { background: #0a5c42; color: white; padding: 20px; margin-top: 40px; text-align: center; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; }
            .mobile-nav { display: block; }
            nav { display: none; }
            .nav-active { display: block; }
        }