body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .logo { font-size: 2.2em; font-weight: 900; color: #ff6b35; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); margin: 20px 0; }
        nav { background: #f8f8f8; padding: 15px; border-radius: 8px; margin: 20px 0; }
        nav a { margin: 0 15px; text-decoration: none; color: #0066cc; font-weight: 500; }
        .mobile-nav-toggle { display: none; background: #0066cc; color: white; padding: 10px 15px; border-radius: 5px; cursor: pointer; }
        h1 { color: #ff6b35; margin: 40px 0 20px; }
        h2 { color: #0066cc; margin: 30px 0 15px; }
        h3 { color: #333; margin: 25px 0 10px; }
        .download-btn { display: inline-block; background: #28a745; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .login-btn { display: inline-block; background: #007bff; color: white; padding: 12px 25px; margin: 15px 10px; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .stat-box { background: #f0f8ff; padding: 15px; border-radius: 8px; margin: 15px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }
        .tags { margin: 30px 0; }
        .tag { background: #e0e0e0; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 30px 0; border-top: 2px solid #eee; text-align: center; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            body { padding: 0 10px; }
        }