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: #ff4d00; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }
        nav { background: #222; padding: 10px; margin-bottom: 20px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: space-around; }
        nav li a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; }
        h1 { color: #ff4d00; border-bottom: 3px solid #ff9900; padding-bottom: 10px; }
        h2 { color: #e67e22; margin-top: 30px; }
        h3 { color: #d35400; }
        .download-btn, .login-btn { background: #ff4d00; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 0; font-weight: bold; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .table-container { overflow-x: auto; margin: 20px 0; }
        table { width: 100%; border-collapse: collapse; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #f2f2f2; }
        .highlight { background: #fff3cd; padding: 5px; border-radius: 3px; }
        footer { margin-top: 40px; padding: 20px; background: #222; color: white; }
        .tags { margin: 20px 0; }
        .tag { background: #e67e22; color: white; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; display: none; }
            .mobile-nav-toggle { display: block; background: #ff4d00; color: white; border: none; padding: 10px; cursor: pointer; }
            nav.active ul { display: flex; }
        }