.cdb-single-product .cdb-product__info {
position: sticky;
top: calc(var(--header-height, 70px) + 16px);
align-self: start;
}
.cdb-single-product .cdb-product__buy { margin-top: 8px; }
.cdb-single-product .cdb-related { margin-top: 32px; padding-top: 32px; border-top: 1px solid var(--border-light); }