.ztx-checkout-box {
    border: 2px solid #2196F3;
    padding: 20px;
    margin-top: 30px;
    background: #f4f8fb;
    border-radius: 12px;
}
.ztx-checkout-form input, .ztx-checkout-form textarea, .ztx-checkout-form select {
    width: 100%;
    margin-bottom: 12px;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}
.ztx-checkout-form button {
    background-color: #2196F3;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
}
.ztx-total-box {
    margin: 15px 0;
    font-size: 16px;
    color: #333;
}