#product-detail .qct-detail-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;align-items:start}
#product-detail .qct-detail-top>section{min-width:0;border:0;border-radius:0;padding:0!important}
#product-detail #product-main-preview{height:auto!important;aspect-ratio:1/1;background:#f5f7fa}
#product-detail #product-main-image{width:100%;height:100%!important;object-fit:cover}
#product-detail .qct-detail-thumb-scroller{display:flex;align-items:center;gap:6px;min-width:0}
#product-detail .qct-detail-thumbnails{display:grid;grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:calc(25% - 9px);gap:12px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
#product-detail .qct-detail-thumbnails::-webkit-scrollbar{display:none}
#product-detail .qct-detail-thumb-arrow{display:flex;align-items:center;justify-content:center;flex:0 0 24px;width:24px;height:44px;border:1px solid #e2e8f0;border-radius:5px;background:#fff;color:#0e4c8a;cursor:pointer}
#product-detail .qct-detail-thumb-arrow[hidden]{display:none}
#product-detail .qct-detail-thumb-arrow:disabled{color:#cbd5e1;cursor:default}
@media(max-width:767px){#product-detail .qct-detail-thumbnails{grid-auto-columns:calc(25% - 6px)}}
#product-detail .qct-detail-thumbnails>button{height:auto;aspect-ratio:1/1}
#product-detail .qct-detail-thumbnails img{height:100%!important;width:100%;object-fit:cover}
#product-detail .qct-detail-purchase h1{font-size:21px;line-height:1.5}
#product-detail .qct-detail-supplier{display:flex;align-items:center;gap:24px;padding:24px!important;margin-top:16px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;min-width:0}
#product-detail .qct-detail-supplier-avatar{width:80px;height:80px;flex-shrink:0;background:#eaf2fb;color:#0e4c8a;display:flex;align-items:center;justify-content:center;border-radius:10px;overflow:hidden}
#product-detail .qct-detail-supplier-avatar img{width:100%;height:100%!important;object-fit:cover}
#product-detail .qct-detail-supplier-avatar>span{padding:8px;font-size:14px;font-weight:600;text-align:center;word-break:break-all}
#product-detail .qct-detail-supplier-info{min-width:0;flex:1}
#product-detail .qct-detail-supplier-name{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
#product-detail .qct-detail-supplier-name>a{font-size:20px;font-weight:700;line-height:1.5;color:#1f2937;overflow-wrap:anywhere}
#product-detail .qct-detail-supplier-name>span{display:inline-flex;align-items:center;gap:4px;font-size:12px;padding:3px 8px;background:#eaf2fb;color:#0e4c8a;border-radius:4px}
#product-detail .qct-detail-supplier-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:10px;font-size:13px;color:#64748b}
#product-detail .qct-detail-supplier-info>p{margin-top:10px;font-size:13px;color:#64748b;line-height:1.7}
#product-detail .qct-detail-supplier-actions{display:flex;flex-direction:column;gap:10px;flex-shrink:0}
#product-detail .qct-detail-supplier-actions>a,#product-detail .qct-detail-supplier-actions>button{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 22px;border-radius:8px;font-size:14px;cursor:pointer}
#product-detail .qct-detail-supplier-actions>a{background:#0e4c8a;color:#fff}
#product-detail .qct-detail-supplier-actions>button{background:white;color:#0e4c8a;border:1px solid #cbd5e1}
#product-detail .qct-detail-supplier a:focus-visible,#product-detail .qct-detail-supplier button:focus-visible{outline:2px solid #0e4c8a;outline-offset:3px}
@media(max-width:1100px){#product-detail .qct-detail-top{grid-template-columns:minmax(0,40fr) minmax(0,60fr);gap:20px;padding:20px}#product-detail .qct-spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){#product-detail .qct-detail-top{grid-template-columns:minmax(0,1fr);padding:16px;gap:20px}#product-detail .qct-detail-top>section{padding:0!important}#product-detail .qct-detail-supplier{flex-wrap:wrap;gap:12px;padding:16px!important}#product-detail .qct-detail-supplier-avatar{width:60px;height:60px}#product-detail .qct-detail-supplier-name>a{font-size:16px}#product-detail .qct-detail-supplier-actions{flex-basis:100%;flex-direction:row}#product-detail .qct-detail-supplier-actions>a,#product-detail .qct-detail-supplier-actions>button{flex:1}#product-detail .qct-detail-thumbnails{gap:8px}}

#product-detail .qct-detail-quantity{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}
#product-detail .qct-detail-field-label{font-size:13px;color:#94a3b8}
#product-detail .qct-detail-actions{margin-top:20px;align-items:center}
#product-detail .qct-detail-actions #buy-now{background:#ff6a00;min-height:48px;text-align:center;padding:8px 12px}
#product-detail .qct-detail-actions form>button{background:#0e4c8a;border-color:#0e4c8a;color:#fff;min-height:48px}
#product-detail .qct-detail-services{border:0;border-top:1px solid #f1f5f9;border-radius:0;background:#fff;padding:16px 0 0;flex-wrap:wrap}

/* Match the prototype's stacked information rows and compact purchase controls. */
#product-detail .qct-detail-price{margin-top:16px;background:#fff9f4;border-color:#ffe8d6;padding:16px}
#product-detail #priceBox{flex-wrap:wrap;gap:12px}
#product-detail #priceBox>strong{font-size:32px;line-height:1.2;color:#e5440f}
#product-detail .qct-detail-fields{display:flex;flex-direction:column;gap:12px;margin-top:20px;font-size:13px}
#product-detail .qct-detail-field{display:flex;align-items:center;gap:16px;min-width:0}
#product-detail .qct-detail-field-label{width:80px;flex-shrink:0;color:#64748b;font-size:13px;line-height:1.5}
#product-detail .qct-detail-field-value{display:inline-block;min-width:0;max-width:100%;padding:7px 0;border:0;border-radius:0;font-weight:400;overflow-wrap:anywhere;line-height:1.5}
#product-detail .qct-detail-delivery{margin-top:16px}
#product-detail .qct-detail-quantity{gap:16px;margin-top:16px;font-size:13px}
#product-detail .qct-detail-quantity>span:nth-child(2){width:164px;height:40px;border-radius:4px}
#product-detail .qct-detail-quantity-note{color:#64748b;font-size:12px}
#product-detail .qct-detail-estimate{margin-top:12px;color:#64748b;font-size:13px;line-height:1.7}
#product-detail .qct-detail-estimate strong{color:#000;font-size:16px}
#product-detail .qct-detail-estimate .qct-detail-estimate-total{font-size:20px}
#product-detail .qct-detail-actions{gap:24px;flex-wrap:wrap}
#product-detail .qct-detail-actions>a,#product-detail .qct-detail-actions>form{flex:0 1 auto;min-width:0}
#product-detail .qct-detail-actions #buy-now,#product-detail .qct-detail-actions form>button{height:48px;padding:10px 24px;font-size:16px;border-radius:8px;box-shadow:none}
#product-detail .qct-detail-services{margin-top:20px;gap:40px;font-size:12px}
#product-detail .qct-detail-gallery-tools{margin-top:12px;display:flex;align-items:center;gap:16px}
#product-detail .qct-detail-favorite{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 8px;color:#64748b;font-size:12px;border:1px solid transparent;border-radius:4px}
#product-detail .qct-detail-favorite:focus-visible{outline:2px solid #0e4c8a;outline-offset:2px}
@media(max-width:767px){#product-detail .qct-detail-purchase h1{font-size:20px}#product-detail .qct-detail-field-label{width:72px}#product-detail .qct-detail-field{gap:12px}#product-detail .qct-detail-quantity{gap:12px}#product-detail .qct-detail-quantity-note{flex-basis:100%;padding-left:84px}#product-detail .qct-detail-actions>a,#product-detail .qct-detail-actions>form{flex:1 1 100%;min-width:0}#product-detail .qct-detail-actions #buy-now,#product-detail .qct-detail-actions form>button{width:100%;padding:10px 16px}#product-detail .qct-detail-services>span:last-child{margin-left:0}}

#product-detail .qct-detail-tiers{margin-top:12px;padding-top:12px;border-top:1px solid #ffe8d6}
#product-detail .qct-detail-tiers-heading{display:flex;align-items:center;gap:12px;margin:0 0 10px;font-size:13px;font-weight:600;color:#9a3412}
#product-detail .qct-detail-tiers-heading>span{font-size:12px;font-weight:400;color:#64748b}
#product-detail .qct-detail-tier-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
#product-detail .qct-detail-tier-card{min-width:0;padding:10px 12px;background:#fff;border-radius:6px}
#product-detail .qct-detail-tier-card>span{display:block;color:#64748b;font-size:12px;line-height:1.5;overflow-wrap:anywhere}
#product-detail .qct-detail-tier-card>strong{display:block;margin-top:4px;color:#e5440f;font-size:20px;line-height:1.4;overflow-wrap:anywhere}
#product-detail .qct-detail-tier-card small{margin-left:4px;font-size:12px;font-weight:400;color:#64748b}
#product-detail .qct-detail-more-tiers{margin-top:8px;font-size:12px;color:#0e4c8a}
#product-detail .qct-detail-more-tiers>summary{cursor:pointer;padding:8px 0;width:fit-content}
#product-detail .qct-detail-more-tiers>summary:focus-visible{outline:2px solid #0e4c8a;outline-offset:2px}
#product-detail .qct-detail-more-tiers[open]>.qct-detail-tier-cards{margin-top:4px}
@media(max-width:767px){#product-detail .qct-detail-tier-cards{gap:6px}#product-detail .qct-detail-tier-card{padding:8px}#product-detail .qct-detail-tier-card>strong{font-size:17px}}

#product-detail .qct-detail-field>.qct-detail-field-label{width:112px;white-space:nowrap}

/* SKU selection and quantity tiers follow product-detail.html. */
#product-detail .qct-detail-tier-table{width:100%;margin-top:12px;border-collapse:collapse;font-size:13px;text-align:left}
#product-detail .qct-detail-tier-table[hidden]{display:none}
#product-detail .qct-detail-tier-table th{font-size:12px;font-weight:400;color:#64748b;padding-bottom:4px}
#product-detail .qct-detail-tier-table td{padding:8px 0;border-bottom:1px solid #ffeddd}
#product-detail .qct-detail-tier-table .tier-price{color:#e5440f;font-weight:600}
#product-detail .qct-detail-sku-options{display:flex;flex-direction:column;gap:12px;margin-top:16px;font-size:13px}
#product-detail .qct-detail-sku-row{display:flex;gap:16px;align-items:flex-start}
#product-detail .qct-detail-sku-row>.qct-detail-field-label{padding-top:8px}
#product-detail .qct-detail-sku-buttons{display:flex;flex-wrap:wrap;gap:8px;min-width:0}
#product-detail .qct-detail-sku-buttons button{padding:6px 12px;border:1px solid #e2e8f0;border-radius:4px;background:#fff;color:#334155;cursor:pointer}
#product-detail .qct-detail-sku-buttons button[aria-pressed=true]{border:2px solid #0e4c8a;padding:5px 11px;color:#0e4c8a;background:#eaf2fb}
#product-detail .qct-detail-sku-buttons button:hover{border-color:#0e4c8a}
#product-detail .qct-detail-sku-buttons button:focus-visible{outline:2px solid #0e4c8a;outline-offset:2px}
#product-detail .qct-detail-selected-sku{font-size:12px;color:#64748b;margin-top:10px;overflow-wrap:anywhere}
#product-detail .qct-detail-selected-sku:empty{display:none}
#product-detail .qct-detail-sku-error{color:#be123c;font-size:13px;margin-top:12px}
#product-detail .qct-detail-sku-error[hidden]{display:none}
#product-detail .qct-detail-actions #buy-now[aria-disabled=true],#product-detail .qct-detail-actions button:disabled{opacity:.5;cursor:not-allowed}

/* Multi-SKU information fills available space without stretching the gallery row. */
#product-detail .qct-detail-purchase-sku{display:flex;flex-direction:column;min-height:0;overflow:hidden}
#product-detail .qct-detail-purchase-sku .qct-detail-purchase-body{flex:1;min-height:0;overflow:hidden}
#product-detail .qct-detail-purchase-sku .qct-detail-services{flex-shrink:0;margin-top:12px;padding-top:12px;gap:16px}
#product-detail .qct-detail-fill-fields{display:flex;flex-direction:column;gap:4px;margin-top:12px}
#product-detail .qct-detail-fill-fields[hidden],#product-detail [data-fill-field][hidden]{display:none}
#product-detail .qct-detail-purchase-sku .qct-detail-fields{margin-top:12px}
#product-detail .qct-detail-purchase-sku .qct-detail-field>.qct-detail-field-label{width:80px}
#product-detail .qct-detail-purchase-sku .qct-detail-field-value{text-align:left;font-size:13px}
#product-detail .qct-detail-purchase-sku .qct-detail-sku-buttons{position:relative;flex:1;max-height:34px;overflow:hidden;gap:6px 8px}
#product-detail .qct-detail-purchase-sku .qct-detail-sku-buttons.is-expanded{max-height:none;overflow:visible}
#product-detail .qct-detail-purchase-sku .qct-detail-sku-buttons button{height:34px;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#product-detail .qct-detail-sku-buttons button[hidden],#product-detail .qct-detail-sku-more[hidden]{display:none}
#product-detail .qct-detail-sku-more{flex-shrink:0;padding:7px 0;color:#0e4c8a;font-size:12px;background:none;border:0;cursor:pointer}
#product-detail .qct-detail-sku-more:focus-visible{outline:2px solid #0e4c8a;outline-offset:2px}
#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-price{margin-top:10px;padding:10px 12px}
#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-tier-table{margin-top:6px}
#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-tier-table td{padding:4px 0}
#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-sku-options{margin-top:10px;gap:8px}
#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-fields,#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-quantity,#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-estimate,#product-detail .qct-detail-purchase-sku.is-compact .qct-detail-actions{margin-top:8px}
@media(max-width:767px){#product-detail .qct-detail-purchase-sku .qct-detail-purchase-body{overflow:visible;padding-right:0}#product-detail .qct-detail-purchase-sku .qct-detail-field>.qct-detail-field-label{width:72px}}

/* Supplier and detail tabs occupy the main column; supporting cards stay right. */
#product-detail .qct-detail-columns{display:grid;grid-template-columns:minmax(0,3fr) minmax(260px,1fr);gap:16px;margin-top:16px;align-items:start}
#product-detail .qct-detail-main-column,#product-detail .qct-detail-side-column{min-width:0;display:flex;flex-direction:column;gap:16px}
#product-detail .qct-detail-columns .qct-detail-supplier{margin-top:0;padding:20px!important;gap:16px}
#product-detail .qct-detail-columns .qct-detail-supplier-avatar{width:64px;height:64px}
#product-detail .qct-detail-columns .qct-detail-supplier-name>a{font-size:17px}
#product-detail .qct-detail-columns .qct-detail-supplier-actions>a,#product-detail .qct-detail-columns .qct-detail-supplier-actions>button{min-height:36px;padding:6px 16px;font-size:13px}
#product-detail .qct-detail-content-card,#product-detail .qct-detail-recommend-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden}
#product-detail .qct-detail-tabs{display:flex;align-items:center;gap:24px;padding:0 20px;border-bottom:1px solid #e2e8f0;overflow-x:auto}
#product-detail .qct-detail-tabs button{height:52px;flex-shrink:0;font-size:14px;color:#64748b;border-bottom:2px solid transparent;cursor:pointer}
#product-detail .qct-detail-tabs button[aria-selected=true]{color:#0e4c8a;font-weight:600;border-color:#0e4c8a}
#product-detail .qct-detail-tabs button:focus-visible{outline:2px solid #0e4c8a;outline-offset:-4px}
#product-detail [data-detail-panel][hidden]{display:none}
#product-detail .qct-detail-empty{padding:32px 24px;font-size:14px;color:#94a3b8;text-align:center}
#product-detail .qct-detail-trades{list-style:none;margin:0;padding:0}
#product-detail .qct-detail-trade{display:flex;align-items:flex-start;gap:12px;padding:20px;border-bottom:1px solid #f1f5f9}
#product-detail .qct-detail-trade:last-child{border-bottom:0}
#product-detail .qct-detail-trade-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;border-radius:8px;background:#eaf2fb;color:#0e4c8a}
#product-detail .qct-detail-trade-info{flex:1;min-width:0;overflow-wrap:anywhere}
#product-detail .qct-detail-trade-info h3{font-size:14px;font-weight:600;color:#334155}
#product-detail .qct-detail-trade-info p{margin-top:6px;font-size:13px;color:#64748b}
#product-detail .qct-detail-trade-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:8px;font-size:12px;color:#94a3b8}
#product-detail .qct-detail-trade-status{flex-shrink:0;font-size:12px;color:#e5440f;white-space:nowrap}
#product-detail .qct-detail-trade-status.is-completed{color:#12a150}
#product-detail .qct-detail-custom-card{border:1px solid #ffe0c2;border-radius:10px;background:#fff;overflow:hidden}
#product-detail .qct-detail-custom-heading{background:linear-gradient(90deg,#ff6a00,#ff8a2b);padding:16px;color:#fff}
#product-detail .qct-detail-custom-heading h2{display:flex;align-items:center;gap:6px;font-size:16px;font-weight:700}
#product-detail .qct-detail-custom-heading p{margin-top:6px;font-size:12px;color:#fff}
#product-detail .qct-detail-custom-body{padding:16px}
#product-detail .qct-detail-custom-body ul{display:flex;flex-direction:column;gap:10px;font-size:12px;color:#64748b}
#product-detail .qct-detail-custom-body li:before{content:'✓';color:#ff6a00;margin-right:8px}
#product-detail .qct-detail-custom-body button{display:block;width:100%;margin-top:16px;padding:10px 8px;border:1px solid #ff6a00;border-radius:6px;background:#ff6a00;color:#fff;font-size:14px;font-weight:600;cursor:not-allowed;opacity:.55}
#product-detail .qct-detail-custom-body .qct-detail-custom-secondary{margin-top:8px;background:#fff;color:#ff6a00;font-size:13px}
#product-detail .qct-detail-recommend-card{padding:16px}
#product-detail .qct-detail-recommend-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:16px}
#product-detail .qct-detail-recommend-heading h2{font-size:16px;font-weight:700;color:#0f172a}
#product-detail .qct-detail-recommend-heading a{display:inline-flex;align-items:center;gap:2px;color:#0e4c8a;font-size:12px;white-space:nowrap}
#product-detail .qct-detail-recommend-list{display:flex;flex-direction:column;gap:16px}
#product-detail .qct-detail-recommend-item{display:flex;gap:12px;min-width:0}
#product-detail .qct-detail-recommend-image{width:64px;height:64px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#f1f5f9;overflow:hidden;color:#0e4c8a}
#product-detail .qct-detail-recommend-image img{width:100%;height:100%;object-fit:cover}
#product-detail .qct-detail-recommend-info{min-width:0;flex:1}
#product-detail .qct-detail-recommend-name{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13px;color:#334155;line-height:1.5}
#product-detail .qct-detail-recommend-item:hover .qct-detail-recommend-name{color:#0e4c8a}
#product-detail .qct-detail-recommend-supplier{display:block;margin-top:3px;font-size:11px;color:#94a3b8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#product-detail .qct-detail-recommend-info strong{display:block;margin-top:4px;font-size:15px;color:#e5440f}
#product-detail .qct-detail-recommend-info small{font-size:11px;font-weight:400;color:#94a3b8}
#product-detail .qct-detail-recommend-price{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:4px}
#product-detail .qct-detail-recommend-price strong{margin-top:0}
#product-detail .qct-detail-recommend-price form{flex-shrink:0}
#product-detail .qct-detail-recommend-cart{display:grid;place-items:center;width:26px;height:26px;border:1px solid #d9dee7;border-radius:50%;background:#fff;color:#64748b;cursor:pointer}
#product-detail .qct-detail-recommend-cart:hover{border-color:#e1251b;color:#e1251b}
#product-detail .qct-detail-recommend-cart:focus-visible{outline:2px solid #0e4c8a;outline-offset:2px}
#product-detail .qct-detail-guarantee{padding:20px}
#product-detail .qct-detail-guarantee>div>section:first-child{padding:20px;gap:16px}
#product-detail .qct-detail-guarantee h1{font-size:20px;line-height:1.5}
#product-detail .qct-detail-guarantee>div>section:first-child>div:first-child{min-width:0;flex:1}
#product-detail .qct-detail-guarantee>div>section:first-child>div:last-child{width:72px;height:72px;flex-shrink:0}
#product-detail .qct-detail-guarantee>div>section:nth-child(2){grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
#product-detail .qct-detail-guarantee>div>section:nth-child(3){grid-template-columns:minmax(0,1fr);gap:16px;margin-top:16px}
#product-detail .qct-detail-guarantee>div>section:nth-child(3)>div>div:last-child{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1000px){#product-detail .qct-detail-columns{grid-template-columns:minmax(0,1fr) 260px}#product-detail .qct-detail-columns .qct-detail-supplier{flex-wrap:wrap}#product-detail .qct-detail-columns .qct-detail-supplier-actions{flex-direction:row}#product-detail .qct-detail-guarantee>div>section:nth-child(3)>div>div:last-child{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){#product-detail .qct-detail-columns{grid-template-columns:minmax(0,1fr)}#product-detail .qct-detail-tabs{gap:20px;padding:0 16px}#product-detail .qct-detail-guarantee{padding:16px}#product-detail .qct-detail-guarantee>div>section:first-child>div:last-child{display:none}}