/* Trang sản phẩm, case study, báo giá. Chỉ tải khi cần. */
.nx-product-hero{padding-block:1rem 2rem}
.nx-product-hero__grid{display:grid;gap:2rem}
@media (min-width:900px){.nx-product-hero__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}}

.nx-gallery__stage{display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;background:var(--nx-background-alt);border:1px solid var(--nx-border)}
.nx-gallery__main{width:100%;height:100%;object-fit:contain}
.nx-gallery__stage--empty span{font-family:var(--nx-mono);color:var(--nx-text-muted);padding:1rem;text-align:center}
.nx-gallery__thumbs{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:.75rem 0 0;padding:0}
.nx-gallery__thumb{width:68px;height:68px;padding:2px;border:1px solid var(--nx-border);background:var(--nx-white);cursor:pointer;border-radius:var(--nx-radius)}
.nx-gallery__thumb[aria-current=true]{border-color:var(--nx-primary);border-width:2px}
.nx-gallery__thumb img{width:100%;height:100%;object-fit:contain}

.nx-model{margin:0 0 .25rem;font-family:var(--nx-mono);font-size:1rem;color:var(--nx-text-muted);letter-spacing:.02em}
.nx-checklist{list-style:none;margin:1rem 0;padding:0}
.nx-checklist li{display:flex;gap:.6rem;padding:.45rem 0;border-top:1px dotted var(--nx-border)}
.nx-checklist .nx-icon{flex:none;margin-top:.15rem;color:var(--nx-success)}

.nx-subnav{position:sticky;top:var(--nx-header-h);z-index:30;background:var(--nx-white);border-block:1px solid var(--nx-border);overflow-x:auto}
.nx-subnav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;white-space:nowrap}
.nx-subnav a{display:block;padding:.8rem .85rem;color:var(--nx-text);text-decoration:none;font-weight:600;font-size:.9375rem}
.nx-subnav a:hover{color:var(--nx-primary)}

/* Bảng thông số: nhãn bên trái, giá trị bên phải, dễ quét */
.nx-table--specs{max-width:980px}
.nx-table--specs tbody+tbody{border-top:0}
.nx-table--specs th[scope=row]{width:32%;font-weight:600;color:var(--nx-text-muted)}
.nx-table--specs td{font-weight:500}
.nx-table--specs .nx-table__group{background:var(--nx-white);color:var(--nx-primary-dark);font-weight:700;border-bottom:2px solid var(--nx-primary);padding-top:1.1rem}
@media (max-width:640px){
	.nx-table--specs,.nx-table--specs tbody,.nx-table--specs tr,.nx-table--specs th,.nx-table--specs td{display:block;width:100%}
	.nx-table--specs th[scope=row]{padding-bottom:0;border-bottom:0;font-size:.8125rem}
	.nx-table--specs td{padding-top:.1rem}
}

.nx-downloads{list-style:none;margin:0;padding:0;display:grid;gap:.5rem;max-width:640px}
.nx-downloads a{display:flex;gap:.6rem;align-items:center;padding:.75rem 1rem;border:1px solid var(--nx-border);border-radius:var(--nx-radius);color:var(--nx-text);text-decoration:none;font-weight:600;background:var(--nx-white)}
.nx-downloads a:hover{border-color:var(--nx-primary);color:var(--nx-primary)}

.nx-case__block{margin-bottom:2rem}
.nx-case__block h2{padding-top:.75rem;border-top:2px solid var(--nx-primary);display:inline-block}

/* Thanh báo giá cố định trên mobile */
.nx-stickybar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;gap:.5rem;padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));background:var(--nx-white);border-top:1px solid var(--nx-border)}
.nx-stickybar .nx-button--primary{flex:1}
.has-stickybar{padding-bottom:4.5rem}
@media (min-width:960px){.nx-stickybar{display:none}.has-stickybar{padding-bottom:0}}