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: bold; color: #FF4500; text-shadow: 1px 1px 2px rgba(0,0,0,0.1); margin-bottom: 20px; }
        nav { background: #FFD700; padding: 10px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }
        nav a { color: #333; text-decoration: none; margin: 0 10px; }
        .mobile-menu { display: none; }
        h1 { color: #FF4500; border-bottom: 2px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #FF8C00; margin-top: 30px; }
        h3 { color: #FFA500; }
        .download-btn, .login-btn { display: inline-block; background: #FF4500; 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; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background-color: #FFD700; }
        .tags { margin: 20px 0; }
        .tag { background: #FFA500; color: white; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        footer { margin-top: 40px; padding: 20px; background: #333; color: white; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-menu { display: block; margin-bottom: 10px; }
            .desktop-nav { display: none; }
            .show-nav .desktop-nav { display: block; }
        }