body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: 900; color: #FF4500; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        nav { background: #FFD700; padding: 15px; margin-bottom: 30px; }
        nav a { margin: 0 15px; text-decoration: none; color: #000; font-weight: 600; }
        .mobile-toggle { display: none; }
        h1 { color: #FF4500; border-bottom: 3px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #FF6347; margin-top: 35px; }
        h3 { color: #FF8C00; margin-top: 25px; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 0; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 10px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background: #333; color: white; padding: 25px; margin-top: 50px; }
        .tag { background: #FFD700; color: #000; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            nav { display: none; }
            .nav-active { display: block; }
            body { padding: 10px; }
        }