body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1, h2, h3 { color: #FF6B35; margin-top: 1.5em; }
        h1 { font-size: 2.2em; border-bottom: 3px solid #FF6B35; }
        h2 { font-size: 1.8em; }
        h3 { font-size: 1.5em; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; text-align: center; margin: 20px 0; }
        nav { background: #F7F7F7; padding: 15px; border-radius: 8px; margin-bottom: 20px; }
        nav a { margin: 0 15px; text-decoration: none; color: #333; font-weight: bold; }
        .mobile-nav-toggle { display: none; background: #FF6B35; color: white; padding: 10px; border: none; cursor: pointer; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background: #FF6B35; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .tags { margin: 30px 0; }
        .tags a { background: #F7F7F7; padding: 5px 10px; margin: 5px; border-radius: 4px; text-decoration: none; color: #333; }
        footer { margin-top: 40px; padding: 20px; background: #F7F7F7; border-radius: 8px; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; margin: 10px 0; }
        }