.ie-box {
    max-width: 920px;
    margin: 30px auto;
    padding: 28px;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.08);
}

.ie-head h2 {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 800;
    color: #111827;
}

.ie-head p {
    margin: 0 0 24px;
    color: #6b7280;
}

.ie-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.ie-form label {
    display: block;
    font-weight: 700;
    color: #111827;
    font-size: 14px;
}

.ie-form input,
.ie-form select {
    width: 100%;
    margin-top: 7px;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 15px;
    box-sizing: border-box;
}

.ie-button {
    margin-top: 24px;
    padding: 14px 24px;
    border: 0;
    border-radius: 14px;
    background: #d71920;
    color: #ffffff;
    font-weight: 800;
    cursor: pointer;
    font-size: 16px;
}

.ie-button:hover {
    background: #b9141a;
}

.ie-result {
    margin-top: 24px;
    padding: 20px;
    border-radius: 16px;
    background: #f3f4f6;
    color: #111827;
}

.ie-success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
}

.ie-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.ie-price {
    font-size: 36px;
    font-weight: 900;
    color: #111827;
}

.ie-note {
    margin-top: 5px;
    color: #6b7280;
}

.ie-details {
    margin-top: 16px;
    display: grid;
    gap: 8px;
}

@media (max-width: 768px) {
    .ie-box {
        margin: 20px 12px;
        padding: 20px;
    }

    .ie-grid {
        grid-template-columns: 1fr;
    }
}