.product-tab-list { display: flex; gap: 1rem; border-bottom: 1px solid #e5e7eb; margin-bottom: 1.5rem; }
.product-tab-list[hidden], [data-product-tabs] [hidden] { display: none; }
.product-tab-list button { padding: .75rem .25rem; border-bottom: 3px solid transparent; color: #4b5563; font-weight: 700; }
.product-tab-list button[aria-selected="true"] { border-color: #f59e0b; color: #0f172a; }
.product-tab-list button:focus-visible { outline: 2px solid #d97706; outline-offset: 3px; }
.product-characteristics { margin-bottom: 1.5rem; }
.product-characteristics > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 1rem; padding: .875rem 1rem; }
.product-characteristics > div:nth-child(odd) { background: #f9fafb; }
.product-characteristics dt { color: #4b5563; }
.product-characteristics dd { margin: 0; color: #0f172a; }
.product-characteristics dt, .product-characteristics dd { overflow-wrap: anywhere; }
@media (max-width: 480px) {
    .product-characteristics > div { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
    .product-tab-list { gap: .75rem; font-size: .875rem; }
}