.body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f9f9f9;
        }
        .payment-container {
            background: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            width: 300px;
        }
        .payment-container h2 {
            margin-top: 0;
        }
        .payment-container p {
            margin: 5px 0;
        }
        .payment-container input {
            width: 100%;
            padding: 10px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        .payment-container button {
            width: 100%;
            padding: 10px;
            background: #e94b35;
            border: none;
            color: #fff;
            border-radius: 20px; /* Botones redondeados */
            cursor: pointer;
        }
        .payment-container button:hover {
            background: #d53a2e;
        }
        .credit-card-logo {
            display: none;
            width: 50px;
            margin: 10px auto;
        }
        .hidden-form {
            display: none;
            margin-top: 20px;
        }
        .show {
            display: block;
        }
        .toggle-link {
            color: #007bff;
            text-decoration: none;
            cursor: pointer;
        }
        .toggle-link:hover {
            text-decoration: underline;
        }