body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF4500; border-bottom: 3px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #006400; margin-top: 30px; }
        h3 { color: #8B4513; }
        .logo { font-size: 28px; font-weight: bold; color: #FF4500; text-shadow: 2px 2px 4px #FFD700; }
        nav { background-color: #FF4500; padding: 15px; margin-bottom: 20px; }
        nav a { color: white; text-decoration: none; margin-right: 15px; font-weight: bold; }
        .mobile-nav-toggle { display: none; background: #006400; color: white; padding: 10px; border: none; cursor: pointer; }
        .download-btn { background-color: #006400; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; display: inline-block; }
        .login-btn { background-color: #8B4513; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; display: inline-block; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { margin-top: 40px; padding-top: 20px; border-top: 2px solid #FFD700; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; margin: 10px 0; }
        }