.dd-product-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.dd-product-item {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.dd-product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.dd-product-thumb {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
    border-radius: 4px;
}

.dd-buy-button {
    background-color: #0073aa;
    color: #fff;
    padding: 10px 20px;
    display: inline-block;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.dd-buy-button:hover {
    background-color: #005177;
}

.dd-checkout, .dd-order-received {
    border: 1px solid #ddd;
    padding: 20px;
    margin: 20px auto;
    background: #f9f9f9;
    border-radius: 8px;
    max-width: 600px;
}

.dd-checkout form input[type="text"],
.dd-checkout form input[type="email"] {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.dd-checkout form input[type="submit"] {
    background: #0073aa;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.dd-checkout form input[type="submit"]:hover {
    background: #005177;
}