body {
    background-color: #fff;
}

.product-detail-container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: 'KozGoPr6N-Regular', sans-serif;
}

.breadcrumbs {
    margin-top: 50px;
    font-size: clamp(11px, 2vw, 12px);
    color: #000000;
    margin-bottom: 17px;
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(13px, 3vw, 15px);
    color: #000000;
    line-height: 30px;
}

.breadcrumbs a {
    color: #888;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.product-main-layout {
    display: flex;
    gap: 50px;
}

.product-image-column {
    flex: 0 0 38%;
}

.product-info-column {
    flex: 1;
    padding-top: 20px;
}

.product-brand {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: 15px;
    color: #000000;
    line-height: 30px;
}

.product-title-detail {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(20px, 5vw, 22px);
    color: #000000;
    line-height: 64px;
}

.product-category-detail {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(13px, 3vw, 15px);
    color: #000000;
    line-height: 30px;
}

.product-description-detail {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(13px, 3vw, 15px);
    color: #898989;
    line-height: 30px;
    margin-bottom: 20px;
}

.product-meta-detail {
    border-top: 2px solid #e0e0e0;
    padding-top: 20px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.product-weight-detail {
    font-size: clamp(13px, 3vw, 15px);
}

.product-price-detail {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(24px, 5vw, 28px);
    color: #000000;
    line-height: 30px;
}

.tax-info-detail {
    font-size: clamp(12px, 2.5vw, 14px);
    font-weight: 300;
    color: #666;
    margin-left: 10px;
}

.product-accordion {
    max-width: 800px;
    margin: 0 auto 80px;
}

.accordion-item {
    border-top: 1px solid #eee;
}

.accordion-item:last-child {
    border-bottom: 1px solid #eee;
}

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    font-size: clamp(14px, 3vw, 16px);
    cursor: pointer;
    font-family: inherit;
    font-weight: 400;
}

.accordion-icon {
    font-size: 20px;
    font-weight: 300;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    font-size: 14px;
    line-height: 1.8;
    background-color: #fdfdfd;
}

.accordion-content p {
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: clamp(13px, 3vw, 15px);
    color: #898989;
    padding-bottom: 25px;
}

.usage-steps {
    border: 1px solid #e0e0e0;
    padding: 25px;
    margin: 0 20px 25px;
    display: flex
;
    /* align-items: flex-start; */
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.usage-steps-text {
    flex: 1;
    font-family: Kozuka Gothic Pr6N;
    font-weight: normal;
    font-size: 15px;
    color: #898989;
    line-height: 26px;
}

.usage-steps-image-container {
    flex: 0 0 45%;
}

.usage-steps p {
    padding: 0;
    margin-bottom: 10px;
}

.usage-steps ol {
    list-style: none;
    padding-left: 0;
    margin-bottom: 15px;
    counter-reset: steps-counter;
}

.usage-steps ol li {
    counter-increment: steps-counter;
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    min-height: 22px;
}

.usage-steps ol li::before {
    content: counter(steps-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid #898989;
    color: #898989;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.usage-steps-image {
    max-width: 100%;
    margin: 10px 0 20px;
}

/* 响应式媒体查询 */
@media (max-width: 768px) {
    .product-detail-container {
        margin-top: 20px;
        padding: 0 15px;
    }

    .product-main-layout {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 40px;
    }

    .product-info-column {
        padding-top: 0;
    }

    .usage-steps {
        flex-direction: column;
    }
}