body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
        }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #4ECDC4; margin-top: 30px; }
        h3 { color: #FFA07A; }
        .download-btn { display: inline-block; background: #FF6B35; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .login-btn { display: inline-block; background: #4ECDC4; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .nav-logo { font-size: 24px; font-weight: bold; color: #FF6B35; }
        .nav-link { margin: 0 15px; text-decoration: none; color: #333; }
        .image-container { margin: 25px 0; text-align: center; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .tag { background: #f0f0f0; padding: 5px 10px; margin: 5px; border-radius: 20px; display: inline-block; }
        .footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #ddd; }