.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.product-detail-section {
    padding: 40px 0;
    background-color: #f5f5f5;
}

.product-detail-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.product-images {
    flex: 1;
    min-width: 300px;
}

.main-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.thumbnail-gallery {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.thumbnail-gallery img {
    width: 100px;
    height: 120px;
    object-fit: cover;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.thumbnail-gallery img:hover {
    transform: scale(1.05);
}

.product-info {
    flex: 1;
    min-width: 300px;
}

.product-info h2 {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.detail-description {
    font-size: 1.1rem;
    color: #4a4a4a;
    line-height: 1.6;
    margin-bottom: 30px;
}

.product-info h3 {
    font-size: 1.8rem;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.spec-list,
.feature-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.spec-list li,
.feature-list li {
    font-size: 1rem;
    color: #4a4a4a;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.spec-list li::before,
.feature-list li::before {
    content: "•";
    color: #ff4d4f;
    position: absolute;
    left: 0;
}

.product-info p strong {
    font-size: 1.2rem;
    color: #1a1a1a;
}

.back-btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #ff4d4f;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    text-align: center;
    margin-top: 15px;
}

.back-btn:hover {
    background-color: #e6393b;
}

@media (max-width: 768px) {
    .product-detail-content {
        flex-direction: column;
        gap: 20px;
    }

    .main-image img {
        max-width: 100%;
    }

    .thumbnail-gallery img {
        width: 80px;
        height: 100px;
    }

    .product-info h2 {
        font-size: 2rem;
    }

    .product-info h3 {
        font-size: 1.5rem;
    }
}