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, h2, h3 { color: #e63946; margin: 25px 0 15px; }
        h1 { font-size: 2.2em; }
        h2 { font-size: 1.8em; border-bottom: 2px solid #f1a431; }
        h3 { font-size: 1.5em; color: #457b9d; }
        .logo { font-size: 2.5em; font-weight: bold; color: #e63946; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { background: #1d3557; padding: 15px; margin-bottom: 20px; }
        nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: space-between; }
        nav li { margin: 5px 10px; }
        nav a { color: white; text-decoration: none; }
        .mobile-toggle { display: none; background: #f1a431; color: white; border: none; padding: 10px; cursor: pointer; }
        .download-btn, .login-btn { display: inline-block; background: #457b9d; 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; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .strategy-box { background: #f8f9fa; padding: 20px; border-left: 4px solid #e63946; margin: 20px 0; }
        footer { background: #1d3557; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            nav ul { display: none; flex-direction: column; }
            nav ul.active { display: flex; }
            nav li { margin: 8px 0; }
        }