:root{--ink:#10283f;--muted:#5e7183;--line:#dfe6ec;--soft:#f4f7f9;--brand:#0c4a6e;--brand2:#0369a1;--accent:#d55b20;--ok:#166534;--shadow:0 8px 28px rgba(15,39,60,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.45 Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #f59e0b;outline-offset:3px}.wrap{max-width:1240px;margin:auto;padding:0 24px}.topbar{background:#0b2236;color:#dbe9f4;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;padding-top:8px;padding-bottom:8px}.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.headrow{min-height:72px;display:flex;align-items:center;gap:24px}.logo{font-weight:900;font-size:25px;letter-spacing:.06em;color:#123d5a}.nav{display:flex;gap:18px;margin-left:auto}.nav a{padding:11px 6px;border-bottom:2px solid transparent;font-weight:650}.nav a:hover{color:var(--brand2);border-color:var(--brand2)}.header-cta{border:0;border-radius:10px;background:var(--accent);color:#fff;padding:12px 17px;font-weight:800;cursor:pointer}.header-cta:hover{filter:brightness(.93)}
.hero{background:linear-gradient(125deg,#eff7fb,#fff 62%,#fff6ef);padding:68px 0 52px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center;min-width:0}.hero-grid>*{min-width:0}.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--brand2);font-weight:800}.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.03;margin:.25em 0}.lead{font-size:20px;color:#42596d;max-width:700px}.searchbox{display:flex;background:#fff;border:2px solid #b9c9d5;border-radius:14px;padding:7px;box-shadow:var(--shadow);margin-top:27px}.searchbox input{flex:1;border:0;padding:13px 15px;min-width:0;outline:none}.searchbox button{border:0;background:var(--brand2);color:#fff;border-radius:9px;padding:0 20px;font-weight:800;cursor:pointer}.hero-panel{background:#0f3854;color:#fff;border-radius:22px;padding:28px;box-shadow:var(--shadow)}.hero-panel h2{margin-top:0}.hero-panel .steps{display:grid;gap:12px}.step{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:start}.num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0f3854;font-weight:900}
.section{padding:54px 0}.section.alt{background:var(--soft)}.section h2{font-size:30px;margin:0 0 22px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category-card,.brand-card,.guide-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:150px;box-shadow:0 2px 10px rgba(10,32,49,.03);transition:.16s;cursor:pointer}.category-card:hover,.brand-card:hover,.guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#9eb7c7}.category-card .icon{font-size:34px}.arrow{color:var(--brand2);font-weight:900}.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.value{border-left:4px solid #1d759e;padding:7px 0 7px 16px}.trust{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted)}
.breadcrumbs{font-size:14px;color:var(--muted);padding:22px 0}.breadcrumbs a:hover{text-decoration:underline}.page-title{font-size:36px;margin:0 0 10px}.page-sub{color:var(--muted);margin-bottom:24px}.filterbar{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.chip{border:1px solid #b8c7d2;border-radius:999px;background:#fff;padding:10px 14px;cursor:pointer;font-weight:700;transition:.15s}.chip:hover{background:#e8f4fa;border-color:#4b8fb3}.chip.active,.chip[aria-pressed=true]{background:#0f5b83;color:#fff;border-color:#0f5b83}.popular{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 26px;max-width:100%;min-width:0}.popular a{border:1px solid #a8bdcb;background:#f7fbfd;border-radius:8px;padding:8px 11px;color:#0b5e8a;font-weight:800}.popular a:hover{background:#dff1fa;text-decoration:underline}
.product-list{display:grid;gap:16px}.product-card{display:grid;grid-template-columns:210px minmax(0,1fr) 240px;grid-template-rows:auto auto;gap:14px 24px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:20px;box-shadow:0 3px 15px rgba(16,40,63,.04);transition:.15s;min-width:0}.product-card>.media-link{grid-column:1;grid-row:1/3}.product-main{grid-column:2;grid-row:1;min-width:0}.card-specs{grid-column:2;grid-row:2}.product-card>.buy{grid-column:3;grid-row:1/3}.product-card:hover{border-color:#9db6c6;box-shadow:var(--shadow)}.media{height:180px;border-radius:13px;background:linear-gradient(135deg,#edf3f7,#fafcfd);display:grid;place-items:center;border:1px solid #d9e3e9;overflow:hidden}.placeholder{width:110px;height:110px;border:2px dashed #a9bbc6;border-radius:18px;display:grid;place-items:center;color:#778b99;font-size:12px;text-align:center;padding:8px}.product-card .media-link,.product-card .title-link{cursor:pointer}.product-card .media-link:hover .placeholder{border-color:#428bb1;background:#eef9ff}.brandline{font-size:13px;color:#4e687b;text-transform:uppercase;letter-spacing:.08em;font-weight:850}.product-title{font-size:21px;line-height:1.25;margin:5px 0 7px}.title-link:hover .product-title{color:#086795;text-decoration:underline}.sku{font-weight:800}.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 16px;margin-top:14px;font-size:14px}.spec{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dotted #ccd7df;padding-bottom:4px}.buy{border-left:1px solid var(--line);padding-left:22px;display:flex;flex-direction:column;justify-content:center;align-items:stretch}.price{font-size:21px;font-weight:900}.substatus{color:var(--muted);font-size:14px;margin:3px 0 16px}.btn{border:1px solid #0f5f89;background:#fff;color:#0f5f89;border-radius:10px;padding:12px 15px;font-weight:850;cursor:pointer;text-align:center}.btn.primary{background:#0f5f89;color:#fff}.btn:hover{filter:brightness(.94)}
.product-hero{display:grid;grid-template-columns:minmax(300px,480px) minmax(0,1fr);gap:52px;align-items:start;padding-bottom:42px}.product-media{min-height:430px;background:#f2f6f8;border:1px solid var(--line);border-radius:18px;display:grid;place-items:center}.product-media .placeholder{width:190px;height:190px;font-size:14px}.product-meta h1{font-size:38px;line-height:1.12;margin:8px 0 12px}.sku-big{font-size:17px;font-weight:850}.commercial{margin:24px 0;background:#f7fafb;border:1px solid var(--line);border-radius:14px;padding:20px}.commercial .price{font-size:25px}.qtyrow{display:flex;gap:10px;margin-top:16px}.qtyrow input{width:92px;border:1px solid #aebfcb;border-radius:8px;padding:11px}.tabs-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:32px}.content-card{border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:20px}.facts{display:grid;grid-template-columns:1fr 1fr}.facts div{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line)}.facts dt{color:var(--muted)}.facts dd{margin:0;font-weight:700;text-align:right}.notice{background:#fff8ed;border-left:4px solid #e6802e;padding:14px 16px;border-radius:7px}.guide-links{display:grid;gap:10px}.guide-links a{color:#066b9e;font-weight:700}.guide-links a:hover{text-decoration:underline}
.guide{max-width:850px}.guide h1{font-size:40px;line-height:1.1}.guide p{font-size:18px;color:#30495b}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq summary{font-weight:800;cursor:pointer}
.footer{background:#0b2236;color:#dce7ee;padding:38px 0;margin-top:60px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a:hover{text-decoration:underline}.phone-pending{color:#9fb3c0;font-size:14px}
.rfq-modal{position:fixed;inset:0;background:rgba(4,17,27,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}.rfq-modal.open{display:flex}.rfq-box{width:min(560px,100%);background:#fff;border-radius:18px;padding:26px;box-shadow:0 20px 70px rgba(0,0,0,.25)}.rfq-box label{display:block;font-weight:700;margin:12px 0 5px}.rfq-box input,.rfq-box textarea{width:100%;border:1px solid #afbec9;border-radius:9px;padding:11px}.rfq-box textarea{min-height:90px}.rfq-actions{display:flex;gap:10px;margin-top:18px}.offline-banner{background:#7c2d12;color:#fff;text-align:center;font-size:12px;padding:5px}.offline-badge{display:none}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{grid-template-columns:minmax(0,1fr)}.product-card{grid-template-columns:170px minmax(0,1fr);grid-template-rows:auto auto auto}.product-card>.media-link{grid-column:1;grid-row:1/3}.product-main{grid-column:2;grid-row:1}.card-specs{grid-column:2;grid-row:2}.product-card>.buy{grid-column:2;grid-row:3;border:0;border-top:1px solid var(--line);padding:16px 0 0}.product-hero{grid-template-columns:1fr}.tabs-grid{grid-template-columns:1fr}.nav{display:none}}
@media(max-width:600px){html,body{max-width:100%;overflow-x:hidden}.wrap{padding:0 16px;min-width:0}.topbar{display:none}.headrow{min-height:62px}.logo{font-size:21px}.header-cta{padding:10px 11px;font-size:13px}.hero{padding:36px 0}.hero h1{font-size:38px}.lead{font-size:17px}.searchbox{flex-wrap:wrap}.searchbox button{min-height:46px}.grid4,.values{grid-template-columns:1fr 1fr}.section{padding:38px 0}.section h2{font-size:25px}.category-card,.brand-card{min-height:128px;padding:17px}.product-card{grid-template-columns:minmax(0,1fr);grid-template-rows:auto;gap:12px;padding:14px}.product-card>.media-link{grid-column:1;grid-row:auto}.product-main{grid-column:1;grid-row:auto}.product-card>.buy{grid-column:1;grid-row:auto;padding-top:13px}.card-specs{grid-column:1;grid-row:auto}.media{height:175px}.placeholder{width:100px;height:100px;font-size:11px}.brandline{font-size:11px}.product-title{font-size:18px}.specs{grid-template-columns:1fr;font-size:13px}.spec b{max-width:58%;text-align:right;overflow-wrap:anywhere}.price{font-size:19px}.page-title{font-size:30px}.product-hero{gap:22px}.product-media{min-height:280px}.product-media .placeholder{width:140px;height:140px}.product-meta h1{font-size:29px}.commercial{margin:17px 0;padding:16px}.qtyrow{flex-wrap:wrap}.qtyrow .btn{flex:1}.facts{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.popular{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px;scrollbar-width:thin}.popular:after{content:'→';position:sticky;right:0;background:linear-gradient(90deg,transparent,#fff 45%);padding-left:16px;color:#578}.popular a{flex:0 0 auto}.guide h1{font-size:31px}}
@media(max-width:350px){.grid4,.values{grid-template-columns:1fr}.product-card{grid-template-columns:minmax(0,1fr)}.media{height:160px}.product-title{font-size:17px}.wrap{padding:0 12px}.popular{margin-right:0}}
@media(max-width:600px){.header .logo{display:flex;align-items:center;min-height:44px}.header-cta{min-height:44px}.breadcrumbs a{display:inline-flex;align-items:center;min-height:44px;padding:4px 0}.footer a{display:inline-flex;align-items:center;min-height:44px;padding:4px 0}}

/* Homepage V3 commerce layer */
.hero-v3{padding-top:72px;padding-bottom:64px}.searchbox-large{max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.btn{border:0;border-radius:10px;padding:12px 17px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--brand2);color:#fff}.btn-secondary{background:#fff;border:1px solid #aac0d0;color:var(--ink)}.btn-light{background:#fff;color:#123d5a}.btn-large{padding:15px 22px;font-size:17px}
.eyebrow-light{color:#bfe4f7}.commerce-steps{display:grid;gap:14px;padding:0;margin:20px 0 24px;list-style:none}.commerce-steps li{display:grid;gap:3px;border-left:3px solid rgba(255,255,255,.35);padding-left:12px}.commerce-steps span{color:#d6e8f2;font-size:14px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h2{margin:5px 0 0}.text-link{font-weight:800;color:var(--brand2)}.edge-section{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw)}
.brand-name{font-size:28px;margin:9px 0}.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.solution-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:22px;text-align:left;display:flex;flex-direction:column;gap:9px;min-height:170px;cursor:pointer;transition:.16s;color:var(--ink)}
button.solution-card{width:100%;font:inherit}.solution-card b{font-size:19px}.solution-card span{color:var(--muted);flex:1}.solution-card em{font-style:normal;font-weight:800;color:var(--brand2)}.solution-card:hover,.solution-card:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#9fb6c6}
.trust-section{background:#0b2236;color:#fff}.trust-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}.lead-sm{font-size:18px;color:#d8e7f0;max-width:720px}.trust-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.trust-badges span{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:9px 13px;background:rgba(255,255,255,.05)}
.trust-card{background:#fff;color:var(--ink);border-radius:18px;padding:25px}.trust-card h3{margin-top:0}.trust-card li{margin:10px 0}.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.process-card{border-top:3px solid var(--brand2);background:var(--soft);border-radius:0 0 14px 14px;padding:20px;min-height:160px}.process-card span{color:var(--brand2);font-weight:900}.process-card b{display:block;font-size:18px;margin:8px 0}
.ai-entry{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;border:1px solid var(--line);border-radius:20px;padding:28px;background:linear-gradient(120deg,#f7fbfd,#fff)}.ai-entry h2{margin:6px 0 10px}.ai-entry p{color:var(--muted);max-width:760px}.ai-status{border-radius:14px;padding:15px 18px;background:#fff5ec;color:#a14214;font-weight:900;text-align:center;border:1px solid #f4c8aa}
.rfq-final{background:#0f3854;color:#fff}.rfq-final-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.rfq-final h2{margin:6px 0 10px}.rfq-final p{color:#d8e7f0;max-width:760px}.footer-rfq{border:0;background:transparent;padding:0;color:inherit;text-decoration:underline;cursor:pointer}
@media(max-width:980px){.solution-grid{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(3,1fr)}.trust-grid{grid-template-columns:1fr}.rfq-final-grid{grid-template-columns:1fr}.ai-entry{grid-template-columns:1fr}}
@media(max-width:640px){.section-head{align-items:flex-start;flex-direction:column}.solution-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr}.hero-actions{display:grid}.hero-actions .btn{width:100%}.trust-badges{display:grid}.ai-entry{padding:21px}.commerce-panel{padding:22px}}

.search-result{display:block;margin:12px 0}.search-sku{color:var(--muted);margin:7px 0}.zero-result{margin-top:22px}

/* Buyer V3.2 catalog/product */
.catalog-head{display:grid;grid-template-columns:1fr 330px;gap:28px;align-items:end}
.catalog-rfq-box{display:grid;gap:9px;background:#0f3854;color:white;padding:20px;border-radius:16px}.catalog-rfq-box span{color:#d8e7f0;font-size:14px}
.catalog-legend{display:flex;gap:18px;flex-wrap:wrap;margin:18px 0;color:var(--muted);font-size:13px}
.product-card-v3{grid-template-columns:220px minmax(0,1fr) 250px;grid-template-areas:"media main buy";align-items:start}
.product-card-v3 .media{grid-area:media}.product-card-v3 .product-main{grid-area:main}.product-card-v3 .buy{grid-area:buy}.product-card-v3 .card-specs{margin-top:16px}
.media-gate-badge{display:inline-flex;background:#fff0e5;color:#9a441a;border:1px solid #e7b28e;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:900;letter-spacing:.04em}
.buy-v3{position:sticky;top:16px}.qty-label{display:grid;gap:5px;margin:13px 0 9px;color:var(--muted);font-size:12px;font-weight:700}.qty-input{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:9px;font:inherit}
.details-btn{margin-top:9px}.key-spec-pills{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.key-spec-pills span{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:13px}
.product-knowledge-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;margin:28px 0 60px}.small-note{font-size:12px;color:var(--muted);margin-top:9px}
.variant-list{display:grid;gap:10px}.variant-row{display:grid;gap:3px;border:1px solid var(--line);border-radius:11px;padding:12px;color:var(--ink)}.variant-row span{font-size:12px;color:var(--muted)}
.sticky-rfq{position:sticky;top:20px}.buyer-summary{border-left:4px solid var(--brand2)}
@media(max-width:980px){.catalog-head{grid-template-columns:1fr}.product-card-v3{grid-template-columns:180px 1fr;grid-template-areas:"media main" "buy buy"}.buy-v3{position:static}.product-knowledge-grid{grid-template-columns:1fr}.sticky-rfq{position:static}}
@media(max-width:640px){.product-card-v3{grid-template-columns:1fr;grid-template-areas:"media" "main" "buy"}.product-card-v3 .media{min-height:220px}.catalog-legend{display:grid}.key-spec-pills{display:grid}.key-spec-pills span{border-radius:10px}}

/* V3.3 mobile touch-target fix */
.qty-input,.footer-rfq{min-height:44px}.footer-rfq{display:inline-flex;align-items:center;padding:8px 0}

/* Catalog release styles */
.real-media,.real-product-media{position:relative;background:white;display:flex;align-items:center;justify-content:center;overflow:hidden}.real-media img{width:100%;height:210px;object-fit:contain;padding:10px}.real-product-media img{max-width:100%;max-height:430px;object-fit:contain}.rights-pass{position:absolute;left:10px;bottom:10px;background:#eef8f3;color:#155b3c;border:1px solid #a9d8c2;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:900}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini-product img{width:100%;height:160px;object-fit:contain;background:#fff;border-radius:10px;margin-bottom:10px}.search-result{display:block;margin:12px 0}.search-sku{color:var(--muted);margin:7px 0}@media(max-width:900px){.grid3{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid3{grid-template-columns:1fr}.real-media img{height:230px}.real-product-media{min-height:280px}}