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: #2c3e50; margin-top: 30px; }
        h1 { font-size: 2.2em; border-bottom: 2px solid #e74c3c; padding-bottom: 10px; }
        h2 { font-size: 1.8em; border-left: 4px solid #e74c3c; padding-left: 10px; }
        h3 { font-size: 1.4em; color: #e74c3c; }
        .logo { font-size: 2.5em; font-weight: bold; color: #e74c3c; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        .mobile-nav { display: none; background: #2c3e50; color: white; padding: 10px; text-align: center; }
        .nav-links { display: flex; justify-content: space-between; padding: 15px 0; }
        .nav-links a { color: #2c3e50; font-weight: bold; text-decoration: none; }
        .download-btn, .login-btn { display: inline-block; background: #e74c3c; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background: #c0392b; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .table-stats { width: 100%; border-collapse: collapse; margin: 20px 0; }
        .table-stats th, .table-stats td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        .table-stats th { background-color: #f2f2f2; }
        @media (max-width: 768px) {
            .nav-links { flex-direction: column; align-items: center; }
            .mobile-nav { display: block; cursor: pointer; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; }
            h1 { font-size: 1.8em; }
            h2 { font-size: 1.5em; }
        }