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 { color: #FF6B35; text-align: center; margin-bottom: 30px; }
        h2 { color: #2E86AB; border-bottom: 2px solid #FF6B35; padding-bottom: 5px; }
        h3 { color: #4A90E2; }
        .logo { font-size: 28px; font-weight: bold; color: #FF6B35; text-decoration: none; }
        .nav { background-color: #f8f8f8; padding: 15px; display: flex; justify-content: space-between; align-items: center; }
        .nav-mobile { display: none; }
        .content { margin-top: 30px; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; margin: 10px 0; font-weight: bold; text-decoration: none; border-radius: 5px; }
        .download-btn { background-color: #4CAF50; color: white; }
        .login-btn { background-color: #2196F3; color: white; }
        .image-container { text-align: center; margin: 25px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background-color: #e0e0e0; padding: 5px 10px; margin: 3px; display: inline-block; border-radius: 15px; }
        .footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #ddd; text-align: center; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .nav-desktop { display: none; }
            .nav-mobile { display: block; margin-top: 15px; }
            .nav-toggle { background-color: #FF6B35; color: white; border: none; padding: 10px 15px; cursor: pointer; }
        }