.sf-product {
    color: var(--sf-text);
    background: var(--sf-surface);
    padding-bottom: var(--sf-section-space);
}
.sf-product-container {
    width: min(var(--sf-content-width), calc(100% - 2 * var(--sf-gutter)));
    margin-inline: auto;
}
.sf-product-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-block: 26px;
    font-size: 13px;
    color: var(--sf-text-muted);
}
.sf-product-breadcrumb .sf-icon { width: 12px; height: 12px; }
.sf-product-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
    gap: clamp(32px, 5vw, 80px);
    padding-block: 40px 64px;
}
.sf-product-eyebrow {
    color: var(--sf-brand-strong);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .04em;
}
.sf-product-intro h1 {
    margin: 18px 0;
    font-size: clamp(32px, 3.4vw, 52px);
    font-weight: 600;
    line-height: 1.2;
    overflow-wrap: anywhere;
    color: var(--sf-text);
}
.sf-product-sku { color: var(--sf-text-muted); font-size: 14px; }
.sf-product-lead { margin-top: 24px; font-size: 18px; line-height: 1.8; }
.sf-product-benefits { display: grid; gap: 12px; margin-block: 28px; padding: 0; list-style: none; }
.sf-product-benefits li { display: flex; align-items: center; gap: 12px; }
.sf-product-benefits .sf-icon { color: var(--sf-brand); }
.sf-product-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.sf-product-text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--sf-text); text-decoration: underline; text-underline-offset: 5px; }
.sf-product-visual { min-width: 0; }
.sf-product-visual img { display: block; width: 100%; height: auto; aspect-ratio: 6 / 5; object-fit: contain; }
.sf-product-facts [data-foreign-trade-product-metadata] { margin: 0; padding: 32px 40px; background: var(--sf-surface-warm); border: 0; border-radius: var(--sf-radius-md); }
.sf-product-facts [data-foreign-trade-product-metadata] > p { color: var(--sf-text-muted); }
.sf-product-facts [data-foreign-trade-product-metadata] > div { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; margin-top: 20px; }
.sf-product-facts [data-foreign-trade-product-metadata] > div p:first-child { color: var(--sf-brand-strong); }
.sf-product-facts [data-foreign-trade-product-metadata] > div p + p { margin-top: 8px; color: var(--sf-text); font-size: 17px; }
.sf-product-body { padding-top: var(--sf-section-space); }
.sf-product-content { min-width: 0; }
.sf-product-section { scroll-margin-top: 110px; }
.sf-product-section > h2 { font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; color: var(--sf-text); }
.sf-product-section .longmai-product > ul { columns: 3 240px; column-gap: 32px; }
.sf-product-section .longmai-product > ul li { break-inside: avoid; padding-block: 5px; }
.sf-product-contact { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); margin-top: var(--sf-section-space); padding: clamp(24px, 4vw, 56px); background: var(--sf-surface-warm); border-radius: var(--sf-radius-md); align-items: start; }
.sf-product-contact-copy > h2 { margin-block: 20px; font-size: 30px; color: var(--sf-text); }
.sf-product-contact-copy > p:not(.sf-product-eyebrow) { color: var(--sf-text-muted); line-height: 1.9; margin-bottom: 24px; }
.sf-product-contact-copy [data-foreign-trade-product-pricing] { background: var(--sf-surface); border-color: var(--sf-border); margin-block: 32px; }
.sf-product-inquiry { min-width: 0; scroll-margin-top: 110px; }
.sf-product-inquiry > h2 { color: var(--sf-text); font-size: 28px; }
.sf-product-inquiry > p { color: var(--sf-text-muted); }
.sf-product a:focus-visible { outline: 2px solid var(--sf-focus); outline-offset: 4px; }
@media (max-width: 800px) {
    .sf-product-hero { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-block: 20px 36px; }
    .sf-product-visual { grid-row: 2; }
    .sf-product-visual img { max-height: 380px; }
    .sf-product-lead { font-size: 16px; }
    .sf-product-facts [data-foreign-trade-product-metadata] { padding: 24px; }
    .sf-product-facts [data-foreign-trade-product-metadata] > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sf-product-contact { grid-template-columns: minmax(0, 1fr); }
}