/* Vững Thủy Commerce v6 — sales-first redesign inspired by proven retail UX. */
:root{--vt-v6-navy:#082f5b;--vt-v6-navy-2:#0d467f;--vt-v6-orange:#f36b21;--vt-v6-orange-dark:#d95412;--vt-v6-ink:#172438;--vt-v6-muted:#687386;--vt-v6-line:#e3e9ef;--vt-v6-soft:#f5f7fa;--vt-v6-white:#fff;--vt-v6-shadow:0 14px 40px rgba(8,47,91,.1)}
body{color:var(--vt-v6-ink);background:#fff}.vt-container{width:min(1180px,calc(100% - 32px))}.vt-header{box-shadow:0 4px 18px rgba(8,47,91,.08);background:#fff}.vt-header-utility{height:34px;background:var(--vt-v6-navy);color:#fff;border:0}.vt-header-utility .vt-container{min-height:34px}.vt-header-utility a{color:#fff}.vt-v6-header__inner{min-height:92px;display:grid;grid-template-columns:250px minmax(280px,1fr) auto;gap:28px;align-items:center}.vt-v51-brand img{width:66px;height:66px;object-fit:contain}.vt-v51-brand strong{color:var(--vt-v6-navy);font-size:23px;letter-spacing:.04em}.vt-v51-brand small{color:var(--vt-v6-muted);font-size:9px}.vt-v6-desktop-search form{display:flex;margin:0;height:46px;border:1px solid #d7dfe7;border-radius:6px;overflow:hidden;background:#fff}.vt-v6-desktop-search input[type=search]{flex:1;min-width:0;border:0!important;padding:0 16px!important;background:#fff!important;box-shadow:none!important}.vt-v6-desktop-search button{width:56px;border:0;border-radius:0;background:var(--vt-v6-orange);color:#fff;font-size:0}.vt-v6-desktop-search button:after{content:'⌕';font-size:25px}.vt-v51-header__actions{gap:15px}.vt-v51-hotline small{color:var(--vt-v6-muted)}.vt-v51-hotline strong{color:var(--vt-v6-orange)}.vt-v51-quote{background:var(--vt-v6-navy);border-color:var(--vt-v6-navy);border-radius:5px}.vt-v51-quote:hover{background:var(--vt-v6-orange);border-color:var(--vt-v6-orange);transform:translateY(-1px)}.vt-v6-nav-row{border-top:1px solid var(--vt-v6-line);background:#fff}.vt-v6-nav-row>.vt-container{height:48px;display:flex;align-items:center}.vt-v6-catalog-link{width:250px;align-self:stretch;display:flex;align-items:center;gap:10px;padding:0 16px;background:var(--vt-v6-orange);color:#fff!important;font-weight:800;text-transform:uppercase;font-size:13px}.vt-v6-nav-slot{flex:1}.vt-v6-nav-slot>ul{display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:0;list-style:none}.vt-v6-nav-slot>ul>li{position:relative}.vt-v6-nav-slot>ul>li>a{display:flex;padding:15px 13px;color:var(--vt-v6-ink);font-size:13px;font-weight:700;text-transform:uppercase}.vt-v6-nav-slot>ul>li>a:hover{color:var(--vt-v6-orange)}.vt-v6-showroom-link{font-size:13px;font-weight:700;color:var(--vt-v6-navy)}.vt-v51-nav{display:none}
.vt-v6-commerce-hero{padding:26px 0 0;background:#fff}.vt-v6-commerce-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px}.vt-v6-category-rail{border:1px solid var(--vt-v6-line);border-radius:7px;background:#fff;box-shadow:0 8px 24px rgba(8,47,91,.06);overflow:hidden}.vt-v6-category-rail h2{height:46px;margin:0;padding:0 15px;display:flex;align-items:center;gap:10px;background:var(--vt-v6-navy);color:#fff;font-size:14px;text-transform:uppercase}.vt-v6-category-rail ul{list-style:none;margin:0;padding:4px 14px}.vt-v6-category-rail li+li{border-top:1px solid #edf0f3}.vt-v6-category-rail li a{min-height:44px;display:flex;align-items:center;justify-content:space-between;color:#25364d;font-size:13px;font-weight:600}.vt-v6-category-rail li a:hover{color:var(--vt-v6-orange);padding-left:4px}.vt-v6-category-rail li b{font-size:20px;color:#9aa4af}.vt-v6-all-cats{display:block;padding:12px 14px;border-top:1px solid var(--vt-v6-line);color:var(--vt-v6-orange);font-size:12px;font-weight:800}.vt-v6-commerce-grid .vt-v51-hero{min-height:432px;height:100%;border-radius:7px;overflow:hidden;margin:0;background-position:center}.vt-v6-commerce-grid .vt-v51-hero__copy{width:auto;margin:0;padding:58px 55px}.vt-v6-commerce-grid .vt-v51-hero__copy h1{max-width:650px;font-size:clamp(36px,4vw,58px);line-height:1.06}.vt-v6-commerce-grid .vt-v51-hero__copy p{max-width:590px}.vt-v51-hero__actions>a:first-child{background:var(--vt-v6-orange);border-color:var(--vt-v6-orange)}
.vt-v6-benefits{padding:24px 0 12px;background:#fff}.vt-v6-benefits>.vt-container{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--vt-v6-line);border-radius:7px;box-shadow:0 8px 26px rgba(8,47,91,.05)}.vt-v6-benefits article{min-height:95px;display:flex;align-items:center;gap:15px;padding:18px 20px}.vt-v6-benefits article+article{border-left:1px solid var(--vt-v6-line)}.vt-v6-benefits b{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#fff1e8;color:var(--vt-v6-orange);font-size:13px}.vt-v6-benefits div{display:grid;gap:4px}.vt-v6-benefits strong{font-size:14px;color:var(--vt-v6-navy)}.vt-v6-benefits span{font-size:11px;line-height:1.45;color:var(--vt-v6-muted)}
.vt-v51-home-products{padding:64px 0;background:var(--vt-v6-soft)}.vt-v51-section-head span,.vt-kicker{color:var(--vt-v6-orange)}.vt-v51-section-head h2{color:var(--vt-v6-navy)}.vt-v51-category-card{border-radius:7px;border:1px solid var(--vt-v6-line);box-shadow:none;background:#fff}.vt-v51-category-card:hover{border-color:#ffb184;box-shadow:var(--vt-v6-shadow);transform:translateY(-4px)}.vt-v51-category-card img{transition:transform .35s ease}.vt-v51-category-card:hover img{transform:scale(1.025)}.vt-v51-more a,.woocommerce a.button,.woocommerce button.button,.woocommerce input.button{background:var(--vt-v6-orange)!important;color:#fff!important;border-color:var(--vt-v6-orange)!important}.vt-v51-more a:hover,.woocommerce a.button:hover,.woocommerce button.button:hover{background:var(--vt-v6-orange-dark)!important}.vt-v51-intro__copy>span{color:var(--vt-v6-orange)}.vt-v51-intro__copy h2{color:var(--vt-v6-navy)}
.woocommerce ul.products li.product{border:1px solid var(--vt-v6-line);border-radius:7px;background:#fff;overflow:hidden;transition:.25s ease}.woocommerce ul.products li.product:hover{border-color:#ffc09b;box-shadow:var(--vt-v6-shadow);transform:translateY(-4px)}.woocommerce ul.products li.product .woocommerce-loop-product__title{color:var(--vt-v6-ink);font-size:14px}.woocommerce div.product .product_title,.woocommerce-products-header__title{color:var(--vt-v6-navy)}
.vt-v51-footer{background:#082746;color:#dbe5ee;border-top:4px solid var(--vt-v6-orange)}.vt-v51-footer h3,.vt-v51-footer__brand strong{color:#fff}.vt-v51-footer a{color:#dbe5ee}.vt-v51-footer a:hover{color:#ff9b62}.vt-v51-footer__brand img{background:#fff;border-radius:8px;padding:5px}.vt-v6-footer-badges{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.vt-v6-footer-badges span{padding:7px 9px;border:1px solid rgba(255,255,255,.18);border-radius:4px;color:#fff;font-size:10px;font-weight:700}.vt-v51-footer__phone{color:#ff9b62!important}.vt-v51-footer__bottom{background:#061f37;border-top:1px solid rgba(255,255,255,.1)}
a,button{transition:color .2s,background-color .2s,border-color .2s,transform .2s,box-shadow .2s}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(243,107,33,.35);outline-offset:2px}
@media(max-width:1024px){.vt-v6-header__inner{grid-template-columns:220px 1fr auto;gap:14px}.vt-v51-quote{display:none}.vt-v6-nav-slot>ul>li>a{padding-inline:8px;font-size:11px}.vt-v6-commerce-grid{grid-template-columns:220px minmax(0,1fr)}.vt-v6-catalog-link{width:220px}.vt-v6-benefits article{padding:14px 12px}.vt-v6-benefits b{display:none}}
@media(max-width:782px){.vt-header-utility{height:30px}.vt-header-utility .vt-container{min-height:30px;justify-content:center}.vt-header-utility .vt-container>div{display:none}.vt-v6-header__inner{min-height:72px;display:flex}.vt-v51-brand{margin-right:auto}.vt-v51-brand img{width:48px;height:48px}.vt-v51-brand strong{font-size:18px}.vt-v51-brand small{display:none}.vt-v6-desktop-search,.vt-v51-hotline,.vt-v6-nav-row{display:none}.vt-v51-nav{display:block}.vt-v6-commerce-hero{padding-top:12px}.vt-v6-commerce-grid{display:block;width:100%}.vt-v6-category-rail{display:none}.vt-v6-commerce-grid .vt-v51-hero{min-height:500px;border-radius:0}.vt-v6-commerce-grid .vt-v51-hero__copy{padding:68px 24px 42px;align-items:flex-start}.vt-v6-commerce-grid .vt-v51-hero__copy h1{font-size:38px}.vt-v6-benefits{padding:12px 12px 0}.vt-v6-benefits>.vt-container{width:100%;grid-template-columns:1fr 1fr}.vt-v6-benefits article{min-height:86px}.vt-v6-benefits article:nth-child(3){border-left:0;border-top:1px solid var(--vt-v6-line)}.vt-v6-benefits article:nth-child(4){border-top:1px solid var(--vt-v6-line)}.vt-v6-benefits strong{font-size:12px}.vt-v6-benefits span{font-size:10px}.vt-v51-home-products{padding:44px 0}.vt-v51-footer{padding-bottom:68px}}
@media(max-width:480px){.vt-v6-commerce-grid .vt-v51-hero{min-height:440px}.vt-v6-commerce-grid .vt-v51-hero__copy h1{font-size:32px}.vt-v6-benefits article{padding:12px 9px}.vt-v6-benefits b{display:grid;width:32px;height:32px}.vt-v6-benefits article{gap:8px}}

/* v6.1 retail catalogue: information density and interaction mirror the reference store. */
.vt-v61-account,.vt-v61-cart{position:relative;display:grid;justify-items:center;gap:2px;min-width:48px;color:var(--vt-v6-navy);font-size:20px}.vt-v61-account small,.vt-v61-cart small{font-size:10px;font-weight:700;white-space:nowrap}.vt-v61-cart b{position:absolute;top:-5px;right:0;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:var(--vt-v6-orange);color:#fff;font-size:10px;line-height:18px;text-align:center}.vt-v61-product-band{padding:18px 0 30px;background:#fff}.vt-v61-product-band:nth-of-type(even){background:#f6f8fb}.vt-v61-band-head{min-height:52px;display:flex;align-items:center;gap:22px;border-bottom:2px solid var(--vt-v6-navy)}.vt-v61-band-head h2{align-self:stretch;display:flex;align-items:center;margin:0;padding:0 22px;background:var(--vt-v6-navy);color:#fff;font-size:20px;line-height:1.2}.vt-v61-band-head nav{display:flex;flex:1;flex-wrap:wrap;gap:6px 18px}.vt-v61-band-head nav a{color:#4d596b;font-size:13px}.vt-v61-band-head nav a:hover{color:var(--vt-v6-orange)}.vt-v61-view-all{margin-left:auto;color:var(--vt-v6-orange);font-size:12px;font-weight:800;white-space:nowrap}.vt-v61-band-body{display:grid;grid-template-columns:210px minmax(0,1fr);gap:18px;padding-top:20px}.vt-v61-band-body>aside{min-height:390px;padding:30px 22px;border-radius:6px;background:linear-gradient(160deg,var(--vt-v6-navy),#1364a8);color:#fff}.vt-v61-band-body>aside strong{font-size:25px;line-height:1.15}.vt-v61-band-body>aside p{margin:16px 0 24px;color:#dbe9f6;font-size:13px;line-height:1.6}.vt-v61-band-body>aside a{display:inline-flex;padding:10px 13px;border:1px solid rgba(255,255,255,.55);border-radius:4px;color:#fff;font-size:12px;font-weight:800}.vt-v61-products .woocommerce.columns-4 ul.products,.vt-v61-products ul.products{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0!important}.vt-v61-products ul.products:before,.vt-v61-products ul.products:after{display:none!important}.vt-v61-products ul.products li.product{float:none!important;width:auto!important;margin:0!important}.vt-v61-products ul.products li.product img{aspect-ratio:1/1;object-fit:contain;background:#fff}.vt-v61-products .woocommerce-loop-product__title{min-height:43px;padding:0 12px!important;line-height:1.45}.vt-v61-products .price{padding:0 12px 12px;color:#d94d00!important;font-weight:800}.vt-v51-home-products{padding-top:42px}.woocommerce .woocommerce-ordering select{height:42px;border:1px solid var(--vt-v6-line);border-radius:4px;padding:0 34px 0 12px;background:#fff}.woocommerce-result-count{color:var(--vt-v6-muted);font-size:13px}.woocommerce nav.woocommerce-pagination ul{border:0}.woocommerce nav.woocommerce-pagination ul li{border:0;margin:3px}.woocommerce nav.woocommerce-pagination ul li a,.woocommerce nav.woocommerce-pagination ul li span{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--vt-v6-line);border-radius:4px}.woocommerce nav.woocommerce-pagination ul li span.current{background:var(--vt-v6-navy);color:#fff}.woocommerce div.product div.images img{border-radius:6px}.woocommerce div.product .summary{padding:18px 0}.woocommerce div.product p.price{color:#d94d00;font-size:26px;font-weight:900}
@media(max-width:1100px){.vt-v51-quote{display:none}.vt-v61-band-body{grid-template-columns:170px 1fr}.vt-v61-products .woocommerce.columns-4 ul.products,.vt-v61-products ul.products{grid-template-columns:repeat(3,1fr)}.vt-v61-products li.product:nth-child(n+7){display:none}}
@media(max-width:782px){.vt-v61-account{display:none}.vt-v61-cart{min-width:38px}.vt-v61-cart small{display:none}.vt-v61-product-band{padding:12px 0 24px}.vt-v61-band-head{align-items:flex-end;flex-wrap:wrap;gap:8px;border-bottom-width:1px;padding-bottom:10px}.vt-v61-band-head h2{width:100%;padding:10px 14px}.vt-v61-band-head nav{overflow:auto;flex-wrap:nowrap;padding-bottom:3px}.vt-v61-band-head nav a{white-space:nowrap}.vt-v61-band-body{display:block;padding-top:12px}.vt-v61-band-body>aside{display:none}.vt-v61-products .woocommerce.columns-4 ul.products,.vt-v61-products ul.products{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.vt-v61-products li.product:nth-child(n+5){display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Strong isolation from the retired header layout. */
@media(min-width:783px){.vt-header .vt-v51-nav{display:none!important}.vt-v6-header__inner .vt-mobile-search-toggle{display:none!important}.vt-v6-header__inner .vt-v51-header__actions{display:flex!important;position:static!important;transform:none!important}.vt-v6-header__inner .vt-v51-quote{white-space:nowrap}}
@media(max-width:782px){.vt-header .vt-v51-nav{display:block!important}.vt-v6-header__inner .vt-mobile-search-toggle{display:grid!important}.vt-v6-header__inner .vt-v51-header__actions{display:flex!important;position:static!important;transform:none!important;margin-left:auto}}
.vt-v51-hero__actions>a:first-child{color:#fff!important}

/* v6.1.2: banner gọn và cân đối hơn. */
@media(min-width:783px){.vt-v6-commerce-grid .vt-v51-hero{min-height:330px}.vt-v6-commerce-grid .vt-v51-hero__copy{padding:34px 42px}.vt-v6-commerce-grid .vt-v51-hero__copy h1{font-size:clamp(31px,3.2vw,44px);line-height:1.08}.vt-v6-commerce-grid .vt-v51-hero__copy p{margin-top:12px}.vt-v51-catalogue-head{padding-top:20px!important;padding-bottom:22px!important}.vt-v51-catalogue-head__copy h1{font-size:clamp(30px,3vw,40px)!important}}
@media(max-width:782px){.vt-v6-commerce-grid .vt-v51-hero{min-height:360px}.vt-v6-commerce-grid .vt-v51-hero__copy{padding:44px 24px 32px}.vt-v6-commerce-grid .vt-v51-hero__copy h1{font-size:30px}}
@media(min-width:783px){body.vt-theme-5-4 .vt-v6-commerce-grid .vt-v51-hero{min-height:330px!important;max-height:330px!important}}
@media(max-width:782px){body.vt-theme-5-4 .vt-v6-commerce-grid .vt-v51-hero{min-height:360px!important;max-height:360px!important}}

/* v6.1.6: slider chỉ hiển thị hình; danh mục chuyển lên header. */
.home .vt-v6-commerce-grid{grid-template-columns:minmax(0,1fr)}
.home .vt-v6-category-rail{display:none!important}
.home .vt-v6-commerce-grid .vt-v51-hero__copy,.home .vt-v6-commerce-grid .vt-v51-hero__shade{display:none!important}
.home .vt-v6-commerce-grid .vt-v51-hero{background-position:center!important}
.vt-v616-catalog{position:relative;width:250px;align-self:stretch;z-index:40}
.vt-v616-catalog .vt-v6-catalog-link{width:100%;height:100%}
.vt-v616-catalog .vt-v6-catalog-link b{margin-left:auto;font-size:16px}
.vt-v616-catalog-menu{visibility:hidden;opacity:0;pointer-events:none;position:absolute;top:100%;left:0;width:310px;padding:8px 0 0;background:#fff;border:1px solid var(--vt-v6-line);border-top:3px solid var(--vt-v6-orange);box-shadow:0 18px 44px rgba(8,47,91,.16);transform:translateY(8px);transition:opacity .18s,transform .18s,visibility .18s}
.vt-v616-catalog:hover .vt-v616-catalog-menu,.vt-v616-catalog:focus-within .vt-v616-catalog-menu{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}
.vt-v616-catalog-menu>ul{display:block!important;margin:0!important;padding:4px 16px!important;list-style:none!important}
.vt-v616-catalog-menu>ul>li{position:relative;border-bottom:1px solid #edf0f3}
.vt-v616-catalog-menu>ul>li>a{min-height:48px;display:flex;align-items:center;justify-content:space-between;color:var(--vt-v6-ink);font-size:14px}
.vt-v616-catalog-menu>ul>li>a:hover{color:var(--vt-v6-orange)}
.vt-v616-catalog-children{visibility:hidden;opacity:0;pointer-events:none;position:absolute;left:calc(100% + 16px);top:-5px;width:520px;min-height:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 18px;padding:18px;background:#fff;border:1px solid var(--vt-v6-line);box-shadow:0 18px 44px rgba(8,47,91,.14);transition:opacity .16s,visibility .16s}
.vt-v616-catalog-menu li:hover>.vt-v616-catalog-children,.vt-v616-catalog-menu li:focus-within>.vt-v616-catalog-children{visibility:visible;opacity:1;pointer-events:auto}
.vt-v616-catalog-children a{padding:7px 4px;color:#4d596b;font-size:12px;line-height:1.35}
.vt-v616-catalog-children a:hover{color:var(--vt-v6-orange)}
.vt-v616-catalog-all{display:block;padding:13px 16px;color:var(--vt-v6-orange);font-size:12px;font-weight:800}
@media(max-width:1100px){.vt-v616-catalog{width:220px}.vt-v616-catalog-children{width:440px;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:782px){.vt-v616-catalog-menu{display:none}.home .vt-v6-commerce-grid .vt-v51-hero{min-height:250px!important;max-height:250px!important;background-position:center!important}}

/* v6.1.7: danh mục ở cạnh slider; header chỉ dùng điều hướng chính. */
.home .vt-v6-commerce-grid{grid-template-columns:250px minmax(0,1fr)}
.home .vt-v6-category-rail{display:block!important}
.vt-v6-nav-row>.vt-container{justify-content:center}
.vt-v6-nav-slot{flex:1}
@media(max-width:1024px){.home .vt-v6-commerce-grid{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:782px){.home .vt-v6-commerce-grid{display:block}.home .vt-v6-category-rail{display:none!important}}

/* v6.1.8: hình sidebar và submenu cấp hai khi hover. */
.home .vt-v6-category-rail{position:relative;z-index:30;overflow:visible}
.home .vt-v6-category-rail>ul{background:#fff}
.home .vt-v6-category-rail>ul>li{position:relative}
.vt-v618-rail-image{display:block;height:128px;overflow:hidden;background:#e8eef5}
.vt-v618-rail-image img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s ease}
.vt-v618-rail-image:hover img{transform:scale(1.04)}
.vt-v618-rail-submenu{visibility:hidden;opacity:0;pointer-events:none;position:absolute;left:calc(100% + 14px);top:-5px;width:620px;min-height:210px;padding:22px;background:#fff;border:1px solid var(--vt-v6-line);border-top:3px solid var(--vt-v6-orange);border-radius:0 7px 7px 7px;box-shadow:0 18px 46px rgba(8,47,91,.17);transform:translateX(8px);transition:opacity .18s,transform .18s,visibility .18s}
.home .vt-v6-category-rail li:hover>.vt-v618-rail-submenu,.home .vt-v6-category-rail li:focus-within>.vt-v618-rail-submenu{visibility:visible;opacity:1;pointer-events:auto;transform:translateX(0)}
.vt-v618-rail-submenu h3{margin:0 0 14px;color:var(--vt-v6-navy);font-size:20px}
.vt-v618-rail-submenu>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px 18px}
.vt-v618-rail-submenu>div>a{padding:8px 4px;border-bottom:1px solid #edf0f3;color:#425066;font-size:12px;line-height:1.35}
.vt-v618-rail-submenu>div>a:hover{color:var(--vt-v6-orange);padding-left:7px}
.vt-v618-rail-viewall{display:inline-flex;margin-top:16px;color:var(--vt-v6-orange);font-size:12px;font-weight:800}
@media(max-width:1100px){.vt-v618-rail-submenu{width:500px}.vt-v618-rail-submenu>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:782px){.vt-v618-rail-submenu{display:none}}

/* v6.1.9: mega menu Sản phẩm trên thanh điều hướng. */
.vt-v619-product-nav{position:relative}
.vt-v619-product-nav>a{gap:7px}
.vt-v619-product-nav>a span{font-size:13px}
.vt-v619-product-menu{visibility:hidden;opacity:0;pointer-events:none;position:absolute;top:100%;left:50%;width:820px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;padding:22px 24px 16px;background:#fff;border:1px solid var(--vt-v6-line);border-top:3px solid var(--vt-v6-orange);border-radius:0 0 8px 8px;box-shadow:0 20px 48px rgba(8,47,91,.18);transform:translate(-50%,8px);transition:opacity .18s,transform .18s,visibility .18s;z-index:60}
.vt-v619-product-nav:hover>.vt-v619-product-menu,.vt-v619-product-nav:focus-within>.vt-v619-product-menu{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.vt-v619-product-menu section{padding:0 0 16px}
.vt-v619-product-root{display:flex;align-items:center;justify-content:space-between;padding:0 0 9px;border-bottom:2px solid var(--vt-v6-navy);color:var(--vt-v6-navy);font-size:15px;font-weight:850}
.vt-v619-product-menu section>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 14px;padding-top:8px}
.vt-v619-product-menu section>div>a{padding:6px 2px;color:#4b586b;font-size:11px;line-height:1.35}
.vt-v619-product-menu section>div>a:hover{color:var(--vt-v6-orange)}
.vt-v619-product-all{grid-column:1/-1;padding-top:12px;border-top:1px solid var(--vt-v6-line);color:var(--vt-v6-orange);font-size:12px;font-weight:850;text-align:right}
@media(max-width:1050px){.vt-v619-product-menu{width:700px}.vt-v619-product-menu section>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:782px){.vt-v619-product-menu{display:none}}

/* v6.2.0: tách banner showroom thành khối sidebar riêng, không nằm trong menu danh mục. */
.home .vt-v620-home-sidebar{position:relative;z-index:30;display:flex;height:330px;min-width:0;flex-direction:column;gap:12px}
.home .vt-v620-home-sidebar .vt-v6-category-rail{display:block!important;flex:0 0 auto}
.vt-v620-sidebar-banner{position:relative;display:block;min-height:0;flex:1;overflow:hidden;border-radius:7px;background:#e8eef5;box-shadow:0 8px 24px rgba(8,47,91,.08)}
.vt-v620-sidebar-banner img{width:100%;height:100%;display:block;object-fit:cover;object-position:center;transition:transform .35s ease}
.vt-v620-sidebar-banner:hover img{transform:scale(1.04)}
@media(max-width:782px){.home .vt-v620-home-sidebar{display:none!important}}

/* v6.2.2: ảnh showroom thuộc banner lớn cạnh danh mục, không nằm trong sidebar. */
.home .vt-v620-home-sidebar{height:auto;align-self:start}
.vt-v622-hero-slider{position:relative;background:none!important}
.vt-v622-hero-slide{position:absolute;inset:0;display:block;opacity:0;animation:vtV622Hero 12s infinite ease-in-out}
.vt-v622-hero-slide--primary{opacity:1;animation-delay:0s}
.vt-v622-hero-slide--showroom{animation-delay:6s}
.vt-v622-hero-slide img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}
.vt-v622-hero-dots{position:absolute;z-index:4;left:50%;bottom:14px;display:flex;gap:7px;transform:translateX(-50%)}
.vt-v622-hero-dots i{width:22px;height:3px;border-radius:4px;background:rgba(255,255,255,.55);box-shadow:0 1px 4px rgba(0,0,0,.18)}
.vt-v622-hero-dots i:first-child{animation:vtV622Dot 12s infinite ease-in-out}
.vt-v622-hero-dots i:last-child{animation:vtV622Dot 12s 6s infinite ease-in-out}
@keyframes vtV622Hero{0%,45%{opacity:1;z-index:2}50%,95%{opacity:0;z-index:1}100%{opacity:1;z-index:2}}
@keyframes vtV622Dot{0%,45%{background:#fff}50%,95%{background:rgba(255,255,255,.55)}100%{background:#fff}}
@media(prefers-reduced-motion:reduce){.vt-v622-hero-slide,.vt-v622-hero-dots i{animation:none}.vt-v622-hero-slide--primary{opacity:1}.vt-v622-hero-slide--showroom{display:none}}

/* v6.3.1: chỉ thêm slider trang chủ và lưới danh mục 4x4, không đổi bố cục tổng. */
.vt-v631-category-slider{padding:16px 0 4px;background:#fff}
.vt-v631-category-slider__viewport{overflow:hidden;border:1px solid var(--vt-v6-line);border-radius:7px;background:#fff;box-shadow:0 7px 22px rgba(8,47,91,.05)}
.vt-v631-category-slider__track{width:max-content;display:flex;animation:vtV631CategoryMarquee 42s linear infinite;will-change:transform}
.vt-v631-category-slider__viewport:hover .vt-v631-category-slider__track{animation-play-state:paused}
.vt-v631-category-slide{width:170px;min-height:92px;display:grid;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:10px;padding:12px;border-right:1px solid var(--vt-v6-line);color:var(--vt-v6-ink)}
.vt-v631-category-slide img{width:58px;height:58px;border-radius:6px;object-fit:cover;background:#edf1f5}
.vt-v631-category-slide strong{font-size:12px;line-height:1.35}
.vt-v631-category-slide:hover{color:var(--vt-v6-orange);background:#fff8f4}
@keyframes vtV631CategoryMarquee{to{transform:translateX(-50%)}}
.vt-v631-catalogue-grid-section .vt-v51-category-grid{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:18px!important}
.vt-v631-catalogue-grid-section .vt-v51-category-card:nth-child(n){grid-column:auto!important;grid-row:auto!important}
.vt-v631-catalogue-grid-section .vt-v51-category-card>a{aspect-ratio:1/1!important}
.vt-v631-category-pagination{margin-top:30px}
.vt-v631-category-pagination ul{display:flex;justify-content:center;gap:6px;margin:0;padding:0;list-style:none}
.vt-v631-category-pagination a,.vt-v631-category-pagination span{min-width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--vt-v6-line);border-radius:5px;background:#fff;color:var(--vt-v6-navy)}
.vt-v631-category-pagination .current{background:var(--vt-v6-navy);color:#fff}
@media(max-width:900px){.vt-v631-catalogue-grid-section .vt-v51-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}}
@media(max-width:640px){.vt-v631-catalogue-grid-section .vt-v51-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px!important}.vt-v631-category-slide{width:145px;min-height:78px;grid-template-columns:48px minmax(0,1fr);padding:9px}.vt-v631-category-slide img{width:48px;height:48px}.vt-v631-category-slider__track{animation-duration:34s}}
@media(prefers-reduced-motion:reduce){.vt-v631-category-slider__track{animation:none;transform:none}.vt-v631-category-slider__viewport{overflow-x:auto}}