/* NIAWELL product detail V55: quiet, information-first product showroom.
   Builds on the original product stylesheet without removing model/data hooks. */
body.product-page{--nw-v55-red:#d53239;--nw-v55-ink:#15253a;--nw-v55-sub:#647184;--nw-v55-line:#e5eaf1;background:#f7f9fc!important;color:var(--nw-v55-ink)}
.product-page .product-container{width:min(1450px,calc(100% - 52px))}
.product-page .product-breadcrumb{min-height:43px;font-size:.71rem}
.product-page .product-hero{overflow:visible;border:0;background:#fff}
.product-page .product-hero::before{display:none}
.product-page .product-hero__grid{direction:ltr;grid-template-columns:minmax(0,1.04fr) minmax(0,1fr);gap:clamp(24px,3.2vw,62px);align-items:center;padding-block:20px 32px}
.product-page .product-hero__grid>.product-gallery,.product-page .product-hero__grid>.product-intro{direction:rtl}
.product-page .product-gallery{display:grid;grid-template-columns:76px minmax(0,1fr);gap:12px;direction:ltr;align-items:start;overflow:visible}
.product-page .product-gallery__stage{grid-column:2;grid-row:1;aspect-ratio:1.42/1;min-height:340px;max-height:495px;padding:20px;border:1px solid #e5e9ef;border-radius:13px;background:#f8fafc;box-shadow:none;contain:none}
.product-page .product-gallery__stage::after{display:none}
.product-page .product-gallery__stage>img{height:100%;max-height:445px;filter:none}
.product-page .product-gallery__stage>span{inset-inline-start:13px;top:13px;padding:5px 9px;border-radius:8px;background:#fdf0f1;color:var(--nw-v55-red)}
.product-page .product-gallery__thumbs{grid-column:1;grid-row:1;display:flex;flex-direction:column;gap:9px;max-height:495px;margin:0;overflow-y:auto;scrollbar-width:thin}
.product-page .product-gallery__thumbs button{flex:0 0 70px;display:grid;grid-template-columns:1fr;justify-items:center;align-items:center;width:72px;min-height:70px;padding:4px;border:1px solid #e4e9ef;border-radius:9px;background:#fff;color:#6c7584;box-shadow:none}
.product-page .product-gallery__thumbs button.is-active{border-color:#d53239;box-shadow:0 0 0 1px #d53239}
.product-page .product-gallery__thumbs img{width:62px;height:60px;object-fit:contain;background:transparent}
.product-page .product-gallery__thumbs button>span{display:none}
.product-page .product-intro{align-self:center;max-width:100%}
.product-page .product-kicker{padding:5px 12px;border-radius:9px;background:#fff0f1;color:var(--nw-v55-red);font-weight:850}
.product-page .product-kicker i{width:auto;height:auto;background:transparent}
.product-page .product-intro h1{margin:13px 0 10px;color:var(--nw-v55-ink);font:900 clamp(1.65rem,2.2vw,2.7rem)/1.35 var(--nw-font),Tahoma,sans-serif;letter-spacing:0}
.product-page .product-summary{display:-webkit-box;max-width:none;margin:8px 0 16px;overflow:hidden;-webkit-line-clamp:3;-webkit-box-orient:vertical;color:#536174;font-size:.84rem;line-height:1.95}
.product-page .product-identity-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:12px 0}
.product-page .product-identity-row>span{min-width:0!important;min-height:65px;display:flex;align-items:start;justify-content:center;gap:4px;padding:11px 14px;border:0;border-radius:11px;background:#f3f6fa;box-shadow:none}
.product-page .product-identity-row small{color:#758294;font-size:.66rem}.product-page .product-identity-row b{color:#202d3f;font:850 .84rem/1.5 var(--nw-font),Arial,sans-serif;overflow-wrap:anywhere}
.product-page .product-variant-picker{margin:13px 0 0;padding:8px 0;border:0;border-radius:0;background:none}
.product-page .product-variant-picker h2{font-size:.73rem;color:#667384}
.product-page .product-variant-picker__list{display:flex;flex-wrap:nowrap;gap:7px;margin-top:8px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.product-page .product-variant-picker__list a{flex:0 0 auto;min-width:106px;min-height:49px;padding:7px 11px;border:1px solid #dfe5ed;border-radius:9px;box-shadow:none}
.product-page .product-variant-picker__list a.is-current{background:#d53239;color:#fff;box-shadow:0 4px 12px rgba(213,50,57,.14)}
.product-page .product-variant-picker__list b{font-size:.75rem}
.product-page .product-confidence{display:none}
.product-page .product-primary-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 0}
.product-page .product-primary-actions a{min-height:46px;padding:7px 9px;border-radius:9px;font-size:.79rem}
.product-page .product-primary-button{background:#d53239;box-shadow:none}
.product-page .product-secondary-button{color:#d53239;border-color:#d53239!important}
.product-page .product-anchor-nav{top:var(--nw-site-header-height,0px);background:#fff;border-block:1px solid #e5e9ef;box-shadow:0 4px 20px rgba(28,40,56,.03)}
.product-page .product-anchor-nav .product-container{justify-content:space-around}
.product-page .product-anchor-nav a{min-height:46px;padding:0 clamp(10px,2vw,22px);font-size:.78rem}
.product-page .product-section{padding:43px 0;scroll-margin-top:140px}
.product-page .product-section-heading>span{color:var(--nw-v55-red);font-size:.65rem;letter-spacing:.1em}
.product-page .product-section-heading h2{margin:6px 0;font-size:clamp(1.35rem,2vw,1.9rem)}
.product-page .product-section-heading>p{max-width:100%;margin:5px 0 0;font-size:.75rem}
.product-page .product-section-heading--wide{margin-bottom:17px}
.product-page .product-overview{padding:29px 0;background:linear-gradient(100deg,#f3f6fa,#e9eef5)}
.product-page .product-description-card{padding:8px 0;border:0;border-radius:0;background:transparent;box-shadow:none}
.product-page .product-richtext{max-height:210px;margin-top:9px;overflow:auto;color:#566276;font-size:.86rem;line-height:2.1}
.product-page .product-specifications{border-block:0;background:#fff}
.product-page .product-spec-model-selector{margin:0 0 9px;padding:4px;border-radius:11px;background:#fff;box-shadow:none}
.product-page .product-spec-model-selector button{flex:0 0 147px;min-height:55px;padding:9px 11px;border-radius:7px;background:#f4f6fa}
.product-page .product-spec-model-selector button.is-active{background:#d53239;box-shadow:none}
.product-page .product-spec-model-selector b{font-size:.74rem}
.product-page .product-spec-model-selector span{font-size:.63rem}
.product-page .product-spec-model-selector small{display:none}
.product-page .nw-v55-model-controls{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.product-page .nw-v55-model-controls label,.product-page .nw-v55-model-controls select{display:none}
.product-page .nw-v55-model-controls p{margin:0;color:#7e8a98;font-size:.72rem}
.product-page .product-legacy-table-card{margin:0!important;overflow:visible;border:0!important;border-radius:12px!important;background:#fff!important;box-shadow:0 7px 20px rgba(23,42,64,.05)!important}
.product-page .product-spec-comparison-head{display:none}
.product-page .product-legacy-table-card .product-table-scroll--desktop{margin:0!important;overflow:auto;border:1px solid #e1e7ed!important;border-radius:11px!important;scrollbar-width:thin;direction:rtl}
.product-page .product-family-spec-table{width:max-content!important;min-width:100%!important;table-layout:auto!important}
.product-page .product-family-spec-table thead th:first-child,.product-page .product-family-spec-table tbody th{position:sticky;inset-inline-start:0;min-width:155px!important;width:155px!important;max-width:155px!important;z-index:5}
.product-page .product-family-spec-table thead th:first-child{background:#192638!important;z-index:8}
.product-page .product-family-spec-table thead th:not(:first-child){min-width:137px!important;width:137px!important;max-width:170px!important;background:#243447!important}
.product-page .product-family-spec-table thead th.is-selected-model{background:#d53239!important}
.product-page .product-family-spec-table thead th{padding:10px 7px!important;text-align:center!important}
.product-page .product-family-spec-table thead th a b{font-size:.71rem}
.product-page .product-family-spec-table tbody th,.product-page .product-family-spec-table tbody td{padding:11px 9px!important;line-height:1.65!important;font-size:.72rem!important;text-align:center!important}
.product-page .product-family-spec-table tbody th{text-align:right!important;background:#f4f7fa!important}
.product-page .product-family-spec-table tbody tr:nth-child(2n) td{background:#f7f9fc}
.product-page .product-family-spec-table tbody td.is-selected-model{background:#fff0f1!important;color:#a21e2b!important}
.product-page .product-documents{background:#f8fafc}
.product-page .product-documents__grid{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:20px;align-items:center}
.product-page .product-document-list{gap:8px}
.product-page .product-document-item,.product-page .product-document-empty{border:1px solid #e0e5ed;border-radius:11px;background:#fff;box-shadow:0 5px 20px rgba(20,37,55,.035)}
.product-page .product-document-main{padding:14px}
.product-page .product-related{background:#fff}
.product-page .product-related-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.product-page .product-related-grid>article{border:1px solid #e2e8f0;border-radius:12px;background:#fff;box-shadow:none;overflow:hidden}
.product-page .product-related-image{height:158px;padding:10px;background:#f8fafc}
.product-page .product-related-image img{max-height:142px;object-fit:contain}
.product-page .product-related-grid>article>div{padding:11px}
.product-page .nw-v55-articles{background:#f3f6fa}
.product-page .nw-v55-articles__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.product-page .nw-v55-article{display:grid;grid-template-columns:40% minmax(0,1fr);gap:12px;min-height:129px;padding:9px;border:1px solid #e3e8ef;border-radius:12px;background:#fff}
.product-page .nw-v55-article__image{min-width:0;overflow:hidden;border-radius:9px;background:#edf2f7}
.product-page .nw-v55-article__image img{display:block;width:100%;height:100%;object-fit:cover}
.product-page .nw-v55-article h3{margin:7px 0 12px;font-size:.83rem;line-height:1.8}
.product-page .nw-v55-article h3 a{text-decoration:none;color:#263447}
.product-page .nw-v55-article__more{color:#d53239;text-decoration:none;font-size:.72rem;font-weight:900}
.product-page .product-mobile-contact{z-index:65}
/* Lower page hierarchy follows the mockup: 10+ models scroll horizontally; mobile is one model. */
@media (max-width:1080px){
 .product-page .product-container{width:min(100% - 32px,1000px)}
 .product-page .product-hero__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
 .product-page .product-gallery__stage{min-height:260px}
 .product-page .product-intro h1{font-size:1.5rem}
 .product-page .product-related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:760px){
 body.product-page{background:#fff!important}
 .product-page .product-container{width:calc(100% - 26px)}
 .product-page .product-breadcrumb{min-height:26px;font-size:.58rem}
 .product-page .product-hero__grid{display:flex;flex-direction:column;align-items:stretch;gap:18px;padding:8px 0 21px}
 .product-page .product-gallery{width:100%;max-width:100%;display:flex;flex-direction:column;gap:7px}
 .product-page .product-gallery__stage{width:100%;min-height:260px;max-height:none;aspect-ratio:1.24/1;padding:9px;border-radius:12px}
 .product-page .product-gallery__stage>img{max-height:340px}
 .product-page .product-gallery__thumbs{display:flex;flex-direction:row;width:100%;max-height:none;min-height:54px;overflow-x:auto;gap:7px}
 .product-page .product-gallery__thumbs button{flex:0 0 54px;width:54px;height:54px;min-height:54px;padding:3px}
 .product-page .product-gallery__thumbs img{width:48px;height:46px}
 .product-page .product-intro h1{font-size:clamp(1.35rem,6vw,1.78rem);line-height:1.45;margin:7px 0}
 .product-page .product-kicker{font-size:.64rem}
 .product-page .product-summary{font-size:.77rem;line-height:1.95}
 .product-page .product-identity-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
 .product-page .product-identity-row>span{min-height:58px;padding:8px 10px}
 .product-page .product-identity-row small{font-size:.59rem}.product-page .product-identity-row b{font-size:.78rem}
 .product-page .product-variant-picker{margin:10px 0 0}
 .product-page .product-variant-picker__list{display:flex;gap:7px;overflow-x:auto;scroll-snap-type:x proximity}
 .product-page .product-variant-picker__list a{min-height:44px;min-width:110px;scroll-snap-align:start}
 .product-page .product-primary-actions{gap:8px}.product-page .product-primary-actions a{min-height:46px;padding:7px 6px;font-size:.66rem}
 .product-page .product-anchor-nav{position:sticky;top:0;z-index:30}
 .product-page .product-anchor-nav .product-container{justify-content:flex-start}
 .product-page .product-anchor-nav a{min-height:44px;font-size:.68rem;padding:0 12px}
 .product-page .product-section{padding:30px 0;scroll-margin-top:100px}
 .product-page .product-section-heading h2{font-size:1.3rem}
 .product-page .product-overview{padding:25px 0}
 .product-page .product-richtext{max-height:none;font-size:.77rem;line-height:2.05}
 .product-page .product-spec-model-selector{display:none!important}
 .product-page .nw-v55-model-controls{display:grid;grid-template-columns:1fr;gap:6px;margin-bottom:11px}
 .product-page .nw-v55-model-controls label{display:block;font-size:.7rem;font-weight:800;color:#4d5b6c}
 .product-page .nw-v55-model-controls select{display:block;min-height:44px;width:100%;padding:8px 13px;border:1px solid #dbe2eb;border-radius:10px;background:#fff;color:#182636;font-family:inherit}
 .product-page .nw-v55-model-controls p{font-size:.64rem}
 .product-page .product-table-scroll--desktop{display:none!important}
 .product-page .product-legacy-table-card{border:1px solid #e1e7ef!important}
 .product-page .product-model-spec-cards{padding:0}
 .product-page .product-model-spec-card{border:0;border-radius:10px;box-shadow:none}
 .product-page .product-model-spec-card>header{padding:12px 14px;background:#26364a}
 .product-page .product-model-spec-card dl>div{display:grid;grid-template-columns:minmax(0,42%) minmax(0,58%);gap:10px;padding:12px 13px}
 .product-page .product-model-spec-card dt{font-size:.66rem}
 .product-page .product-model-spec-card dd{text-align:end;font-size:.69rem}
 .product-page .product-documents__grid{grid-template-columns:1fr;gap:14px}
 .product-page .product-related-grid{display:flex;overflow-x:auto;gap:10px;scroll-snap-type:x proximity;padding:4px 1px 12px}
 .product-page .product-related-grid>article{flex:0 0 min(215px,65vw);scroll-snap-align:start}
 .product-page .product-related-image{height:170px}.product-page .product-related-image img{max-height:150px}
 .product-page .nw-v55-articles__grid{grid-template-columns:1fr;gap:10px}
 .product-page .nw-v55-article{min-height:117px}
}
@media(max-width:390px){
 .product-page .product-identity-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .product-page .product-model-spec-card dl>div{grid-template-columns:minmax(0,42%) minmax(0,58%)}
 .product-page .product-model-spec-card dd{text-align:end}
}
/* Avoid 900px phantom placeholders for scrolled content or full-page printing. */
.product-page .product-section{content-visibility:visible!important;contain-intrinsic-size:auto!important}
.product-page .nw-v55-all-articles{display:inline-flex;align-items:center;min-height:54px;padding:12px 20px;border:1px solid #dbe2eb;border-radius:10px;background:#fff;color:#d53239;text-decoration:none;font-size:.85rem;font-weight:850}