    body {
        font-family: 'Segoe UI', sans-serif;
        margin: 0;
        background-color: #f4f4f9;
    }

    .milestone-bar {
        display: flex;
        justify-content: space-around;
        background-color: #fff;
        padding: 15px 0;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        position: sticky;
        top: 0;
        z-index: 1000;
        margin-top: 0px; /* Added margin-top for spacing */

    }

    .milestone {
        text-align: center;
        flex: 1;
        cursor: default;
    }

    .milestone-icon {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background-color: #ccc;
        color: #fff;
        line-height: 50px;
        margin: 0 auto 10px;
        font-size: 22px;
        transition: background-color 0.3s, transform 0.3s;
        /* Add the pointer cursor only to the icon */
        cursor: pointer;
    }

    .milestone.active .milestone-icon {
        background-color: #005bab;
        transform: scale(1.2);
    }

    .milestone.completed .milestone-icon {
        background-color: #7bc143;
    }

    .milestone-label {
        font-size: 14px;
        font-weight: 600;
    }

    .step-container {
        padding: 40px 20px;
        text-align: center;
        animation: fadeInUp 0.6s ease-out;
    }

    .step-title {
        font-size: 28px;
        margin-bottom: 20px;
        color: #333;
    }

    .grid-icons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
    }

    .icon-card {
        background-color: #fff;
        border-radius: 10px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 20px;
        width: 140px;
        cursor: pointer;
        transition: transform 0.3s, box-shadow 0.3s;
        text-align: center;
    }

    .icon-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px #7bc143;
    }

    .icon-card i {
        font-size: 32px;
        margin-bottom: 10px;
        color: #005bab;
    }

    .icon-label {
        font-size: 14px;
        font-weight: 500;
        color: #333;
    }

    .nav-buttons {
        margin-top: 30px;
    }

    .nav-buttons button {
        background-color: #005bab;
        color: white;
        border: none;
        padding: 10px 20px;
        margin: 0 10px;
        font-size: 16px;
        border-radius: 5px;
        cursor: pointer;
    }

    .nav-buttons button:disabled {
        background-color: #ccc;
        cursor: not-allowed;
    }

    .step-title {
        font-size: 1.5rem;
        margin-bottom: 20px;
        color: #2c3e50;
    }

    .section {
        margin-bottom: 25px;
        padding: 10px 15px;
        background-color: #f9f9f9;
        border-radius: 8px;
        border: 1px solid #ddd;
    }

    .section-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 10px;
        color: #34495e;
    }

    .input-group {
        display: flex;
        flex-direction: column;
        margin-bottom: 15px;
    }

    .input-group label {
        margin-bottom: 5px;
        font-weight: 500;
        color: #555;
    }

    .input-group input[type="number"] {
        padding: 8px;
        font-size: 1rem;
        border: 1px solid #ccc;
        border-radius: 4px;
    }

    .input-group input[type="radio"] {
        margin-right: 6px;
        margin-left: 10px;
    }

    .icon-label {
        font-size: 1rem;
        margin-bottom: 12px;
        font-weight: 500;
        color: #2c3e50;
    }

    .nav-buttons {
        display: flex;
        justify-content: space-between;
        margin-top: 20px;
    }

    .nav-buttons button {
        padding: 8px 16px;
        font-size: 1rem;
        background-color: #005bab;
        color: white;
        border: none;
        border-radius: 6px;
        cursor: pointer;
    }

    .nav-buttons button:hover {
        background-color: #2980b9;
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(40px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .datasheet-container {
        border: 1px solid #333;
        padding: 10px;
        margin: 20px auto;
        width: 1000px;
        font-family: Arial, sans-serif;
    }

    .product_spec-table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 10px;
    }

    .product_spec-table td {
        border: 1px solid black;
        padding: 8px;
    }

    .product_spec-table td:first-child {
        width: 40%;
        font-weight: normal;
        background-color: #f0f0f0;
    }

    .footer-version {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 24px 10px 0px;
        font-size: 14px;
        color: #888;
        position: fixed;
        bottom: 0;
        background: #fff;
        z-index: 1001;
        box-shadow: 0 -2px 5px rgba(0,0,0,0.05);
    }
    .footer-left {
        text-align: left;
        margin-left: 10px;
    }
    .footer-right {
        text-align: right;
        margin-right: 10px;
    }


  @page {
    size: A4 portrait;
    margin: 20mm;
  }