body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    background-color: white;
    color: black;
    margin: 0 auto;
    max-width: 800px;
    padding: 20px;
}
.category {
    margin-bottom: 15px;
    border: 1px solid #e5e5ea;
    border-radius: 10px;
    overflow: hidden;
}
.category > summary {
    background-color: #2c3e50;
    color: white;
    padding: 16px 20px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.2s ease;
}
.category-content {
    padding: 15px;
    background-color: #fafafa;
}
.item {
    margin-bottom: 12px;
    border: 1px solid #e5e5ea;
    border-radius: 8px;
    overflow: hidden;
}
.item:last-child {
    margin-bottom: 0;
}
.item > summary {
    background-color: white;
    color: black;
    padding: 14px 15px;
    font-size: 1.05rem;
    font-weight: 500;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.item-content {
    padding: 15px;
    border-top: 1px solid #e5e5ea;
    background-color: white;
}
.description {
    font-size: 0.95rem;
    color: black;
    margin-top: 0;
    margin-bottom: 15px;
    line-height: 1.4;
}
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.image-gallery img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid #e5e5ea;
    background-color: #f4f7f6;
}
@media (max-width: 600px) {
    body {
        padding: 15px;
    }
    .image-gallery {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        padding-bottom: 5px;
        gap: 10px;
    }
    .image-gallery img {
        flex: 0 0 85%;
        scroll-snap-align: center;
        height: 250px;
        object-fit: contain;
    }
}