/*
Theme Name: JiaRun Lab V3
Theme URI: https://jiarunlab.com/
Author: JiaRun Instruments
Description: Professional B2B laboratory equipment WordPress theme for JiaRun Instruments.
Version: 3.6.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: jiarun-lab-v3
*/

:root{
  --jr-navy:#0b2a38;
  --jr-blue:#1684c7;
  --jr-blue-2:#42a7df;
  --jr-ink:#123247;
  --jr-muted:#5f7483;
  --jr-line:#d5e2e9;
  --jr-bg:#f3f7f9;
  --jr-white:#fff;
  --jr-max:1240px;
  --jr-radius:3px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--jr-ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--jr-max),calc(100% - 48px));margin:0 auto}
.topbar{background:#0a2531;color:#dbe8ef;font-size:12px}
.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
.topbar a{margin-left:22px;color:#dbe8ef}
.site-header{background:#fff;border-bottom:1px solid #e7edf1;position:relative;z-index:20}
.header-main{height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:240px}
.brand-mark{width:40px;height:40px;border:2px solid #152a38;display:grid;place-items:center;font-weight:800;font-size:15px}
.brand-text strong{display:block;font-size:25px;line-height:1;color:#152a38;letter-spacing:-.5px}
.brand-text small{display:block;margin-top:5px;font-size:9px;font-weight:700;letter-spacing:2px;color:#7a8790}
.nav{display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex:1;min-width:0}
.nav > ul,.nav > .primary-menu{display:flex;align-items:stretch;list-style:none;margin:0;padding:0;gap:4px}
.nav li{list-style:none;margin:0;padding:0;position:relative}
.nav a{display:flex;align-items:center;min-height:86px;padding:0 15px;color:#263744;white-space:nowrap;transition:color .18s ease,background .18s ease}
.nav a:hover,.nav .current-menu-item>a,.nav .current-menu-ancestor>a{color:var(--jr-blue)}
.nav .menu-item-has-children>a::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-left:8px;margin-top:-4px}
.nav .sub-menu{position:absolute;top:100%;left:0;z-index:1000;display:block;visibility:hidden;opacity:0;transform:translateY(8px);width:290px;margin:0;padding:10px 0;list-style:none;background:#fff;border:1px solid #dfe7ec;box-shadow:0 18px 40px rgba(8,29,42,.14);transition:opacity .16s ease,transform .16s ease,visibility .16s ease}
.nav li:hover > .sub-menu,.nav li:focus-within > .sub-menu{visibility:visible;opacity:1;transform:translateY(0)}
.nav .sub-menu li{width:100%}
.nav .sub-menu a{min-height:0;width:100%;padding:12px 18px;font-size:13px;font-weight:600;color:#263744;justify-content:space-between;white-space:normal;line-height:1.35}
.nav .sub-menu a:hover,.nav .sub-menu .current-menu-item>a{background:#f3f7fa;color:var(--jr-blue)}
.nav .sub-menu .menu-item-has-children>a::after{transform:rotate(-45deg);margin-top:0}
.nav .sub-menu .sub-menu{top:-11px;left:100%;margin-left:1px}
.nav .sub-menu::before{content:"";position:absolute;top:-5px;left:25px;width:9px;height:9px;background:#fff;border-left:1px solid #dfe7ec;border-top:1px solid #dfe7ec;transform:rotate(45deg)}
.header-actions{display:flex;align-items:center;gap:18px;font-size:13px;flex:0 0 auto}
.header-actions .social{color:#52636f}
.quote-btn,.btn-primary{background:var(--jr-blue);color:#fff;padding:13px 19px;font-size:12px;font-weight:800;letter-spacing:.5px;border-radius:2px;display:inline-block}
.quote-btn:hover,.btn-primary:hover{background:#0f568e}
.btn-outline{border:1px solid rgba(255,255,255,.6);padding:12px 19px;font-size:12px;font-weight:800;display:inline-block;color:#fff;background:rgba(255,255,255,.03)}
.mobile-toggle{display:none;border:0;background:none;font-size:25px}

.hero{background:linear-gradient(180deg,#0d3040 0%,#0b2a38 100%);color:#fff;min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:46% 54%;align-items:center;gap:38px;position:relative;z-index:1}
.eyebrow{color:#43a7df;font-size:12px;letter-spacing:2.5px;font-weight:800;text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:64px;line-height:1.02;letter-spacing:-2px;margin:0 0 26px;max-width:650px}
.hero p{font-size:17px;line-height:1.75;color:#d7e6ee;max-width:610px;margin:0 0 32px}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{min-height:500px;display:flex;align-items:center;justify-content:center;position:relative}
.hero-photo{width:100%;max-height:520px;object-fit:contain;background:#eef5f8}
.visual-fallback{width:100%;height:500px;display:grid;grid-template-columns:1fr 1fr;gap:12px;filter:drop-shadow(0 18px 35px rgba(0,0,0,.12))}
.visual-card{background:linear-gradient(145deg,#edf5f8,#d8e5eb);color:#102431;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;min-height:240px}
.visual-card strong{font-size:18px;line-height:1.2}.visual-card:nth-child(2){background:#e4f1f7}.visual-card:nth-child(3){background:#d9edf7}.visual-card:nth-child(4){background:#edf4f7}.visual-card span{font-size:11px;color:#60717d;margin-top:5px}

.value-strip{border-bottom:1px solid var(--jr-line);background:#fff}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.value-item{padding:25px 22px;border-right:1px solid var(--jr-line)}
.value-item:last-child{border-right:0}
.value-item strong{font-size:14px;display:block;margin-bottom:6px}
.value-item span{font-size:12px;color:var(--jr-muted)}

.section{padding:88px 0}
.section.alt{background:var(--jr-bg)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.kicker{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--jr-blue);font-weight:800;margin-bottom:10px}
.section h2{font-size:38px;line-height:1.15;margin:0;letter-spacing:-1px}
.section-intro{max-width:600px;color:var(--jr-muted);font-size:15px;margin:12px 0 0}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{border:1px solid var(--jr-line);background:#fff;transition:.2s ease;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(16,42,58,.10);border-color:#bfd4df}
.product-thumb{height:230px;background:linear-gradient(135deg,#f4f8fa,#e7f1f5);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-thumb img{width:100%;height:100%;object-fit:contain}
.product-thumb .thumb-placeholder{font-size:12px;color:#7b8a94;letter-spacing:1px}
.product-body{padding:24px}
.product-body h3{font-size:20px;margin:0 0 8px}
.product-body p{font-size:13px;color:var(--jr-muted);margin:0 0 16px}
.product-link{font-size:12px;font-weight:800;color:var(--jr-blue)}

.application-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.application-panel{min-height:420px;background:linear-gradient(145deg,#0d3040,#0a2633);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:flex-end}
.application-panel h3{font-size:34px;line-height:1.15;margin:0 0 14px}
.application-panel p{color:#c7d7e0;max-width:620px;margin:0}
.application-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.app-item{background:#fff;border:1px solid var(--jr-line);padding:30px}
.app-item strong{font-size:16px;display:block;margin-bottom:8px}.app-item span{font-size:13px;color:var(--jr-muted)}

.trust{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.trust-copy p{color:var(--jr-muted);font-size:15px}
.trust-points{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:25px}
.trust-point{border-left:2px solid var(--jr-blue);padding-left:14px}
.trust-point strong{display:block;font-size:14px}.trust-point span{font-size:12px;color:var(--jr-muted)}
.trust-box{background:linear-gradient(145deg,#e7f3f8,#d9eaf1);min-height:360px;padding:40px;display:flex;align-items:flex-end}
.trust-box strong{font-size:28px;line-height:1.2}

.cta{background:#1684c7;color:#fff;padding:58px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0;font-size:34px;line-height:1.2}.cta p{margin:10px 0 0;color:#dceefa}
.cta .btn-light{background:#fff;color:#123246;padding:14px 20px;font-size:12px;font-weight:800;white-space:nowrap}

.site-footer{background:#0a2531;color:#c8d6de}
.footer-main{padding:65px 0 45px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{color:#fff;font-size:24px;font-weight:800}.footer-col h4{color:#fff;font-size:13px;margin:0 0 15px}.footer-col a,.footer-col p{display:block;color:#9eb0ba;font-size:12px;margin:7px 0}
.footer-bottom{border-top:1px solid #1d303b;padding:18px 0;font-size:11px;color:#8296a2;display:flex;justify-content:space-between;gap:20px}

.page-hero{background:var(--jr-navy);color:#fff;padding:75px 0}.breadcrumbs{font-size:12px;color:#b9ccd7;margin-bottom:18px}.breadcrumbs a{color:#dceefa}.breadcrumbs span{margin:0 3px}.page-hero h1{font-size:48px;margin:0}.page-content{padding:70px 0}.content-wrap{max-width:900px;margin:0 auto}
.entry-content{font-size:16px}.entry-content h2{font-size:30px}.entry-content h3{font-size:22px}.entry-content p{color:#4d5e69}


.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 55%,rgba(73,171,218,.07) 55% 55.2%,transparent 55.2%),radial-gradient(circle at 82% 38%,rgba(68,170,220,.12),transparent 32%);pointer-events:none}
.hero .eyebrow,.kicker{color:#168fd2}
.product-card-link{display:flex;flex-direction:column;height:100%}
.product-card .product-body{flex:1;display:flex;flex-direction:column}
.product-card .product-link{margin-top:auto}

@media(max-width:1000px){
  .nav{gap:18px}.header-actions .social{display:none}
  .hero h1{font-size:50px}.hero{min-height:560px}
  .hero-visual{min-height:420px}.visual-fallback{height:420px}
}
@media(max-width:780px){
  .container{width:min(var(--jr-max),calc(100% - 30px))}
  .topbar{display:none}.header-main{height:72px}.brand{min-width:auto}
  .nav,.header-actions{display:none}.mobile-toggle{display:block}
  .hero{padding:58px 0}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:46px}.hero-visual{min-height:340px}
  .visual-fallback{height:340px}
  .value-grid{grid-template-columns:1fr 1fr}.value-item:nth-child(2){border-right:0}.value-item:nth-child(3),.value-item:nth-child(4){border-top:1px solid var(--jr-line)}
  .section{padding:60px 0}.section-head{display:block}.section h2{font-size:32px}
  .product-grid,.application-grid,.trust{grid-template-columns:1fr}
  .application-list{grid-template-columns:1fr}
  .cta-inner{display:block}.cta .btn-light{display:inline-block;margin-top:22px}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}

/* V3.3 header / dropdown refinement */
@media (max-width:1100px){
  .container{width:min(var(--jr-max),calc(100% - 32px))}
  .header-main{gap:14px}
  .brand{min-width:205px}
  .nav a{padding:0 10px;font-size:13px}
  .header-actions{gap:10px}
  .header-actions .social{display:none}
  .quote-btn{padding:12px 14px}
}
@media (max-width:820px){
  .topbar{display:none}
  .header-main{height:72px}
  .brand{min-width:0}
  .brand-text strong{font-size:22px}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--jr-line);box-shadow:0 15px 30px rgba(8,29,42,.10);padding:8px 20px;align-items:stretch}
  .nav[data-open="1"]{display:block}
  .nav > ul,.nav > .primary-menu{display:block}
  .nav li{width:100%}
  .nav a{min-height:48px;padding:0 6px;border-bottom:1px solid #edf1f4}
  .nav .sub-menu{position:static;width:100%;visibility:visible;opacity:1;transform:none;display:none;border:0;box-shadow:none;padding:0 0 6px}
  .nav li:hover > .sub-menu,.nav li:focus-within > .sub-menu{display:block}
  .nav .sub-menu a{padding:10px 16px;font-size:13px}
  .nav .sub-menu::before{display:none}
  .header-actions{margin-left:auto}
  .quote-btn{display:none}
  .mobile-toggle{display:block}
}


/* JiaRun Lab V3.4 navigation, conversion and SEO presentation */
.site-header{z-index:100}.primary-menu{list-style:none}.nav-products>a{position:relative}.mega-menu{position:absolute;left:50%;top:100%;transform:translate(-50%,8px);width:min(820px,calc(100vw - 40px));padding:26px 28px 20px;background:#fff;border:1px solid #dfe7ec;box-shadow:0 22px 55px rgba(8,29,42,.16);display:grid;grid-template-columns:repeat(3,1fr);gap:24px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,transform .16s ease,visibility .16s ease}.nav-products:hover>.mega-menu,.nav-products:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-menu:before{content:"";position:absolute;top:-6px;left:50%;width:10px;height:10px;background:#fff;border-left:1px solid #dfe7ec;border-top:1px solid #dfe7ec;transform:translateX(-50%) rotate(45deg)}.mega-col{display:flex;flex-direction:column;gap:3px}.mega-title{font-size:10px;letter-spacing:1.6px;font-weight:800;color:var(--jr-blue);margin-bottom:8px}.mega-col a{min-height:0!important;padding:8px 0!important;font-size:13px!important;font-weight:600!important;color:#263744!important;white-space:normal!important}.mega-col a:hover{background:none!important;color:var(--jr-blue)!important}.mega-bottom{grid-column:1/-1;border-top:1px solid var(--jr-line);padding-top:15px;text-align:right}.mega-bottom a{font-size:12px;font-weight:800;color:var(--jr-blue)}.mega-bottom span{margin-left:5px}.hero-copy{position:relative;z-index:2}.hero-visual{min-width:0}.visual-fallback{width:100%;height:500px;display:grid;grid-template-columns:1fr 1fr;gap:12px;filter:drop-shadow(0 18px 35px rgba(0,0,0,.12))}.visual-card{position:relative;overflow:hidden;background:linear-gradient(145deg,#f3f7fa,#cfdbe3);color:#102431;min-height:244px;text-decoration:none}.visual-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:18px;transition:transform .35s ease}.visual-card:hover img{transform:scale(1.05)}.visual-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(4,20,30,.62) 100%);opacity:.92}.visual-copy{position:absolute;left:24px;right:18px;bottom:20px;color:#fff}.visual-copy strong{display:block;font-size:18px;line-height:1.25}.visual-copy small{display:block;font-size:11px;margin-top:5px;color:#dbe8ef}.product-card-link{display:flex;flex-direction:column;height:100%}.product-card-link:hover{color:inherit}.product-card .product-body{flex:1}.resources-section{padding-top:72px}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.resource-card{background:#fff;border:1px solid var(--jr-line);padding:28px;min-height:180px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s ease}.resource-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(16,42,58,.08);border-color:#c4d5df}.resource-card span{font-size:11px;color:var(--jr-blue);font-weight:800;letter-spacing:1px}.resource-card strong{font-size:20px}.resource-card small{font-size:13px;color:var(--jr-muted);max-width:320px}.mobile-nav{display:none}.mobile-nav-inner{display:flex;flex-direction:column}.mobile-nav-inner>a,.mobile-nav-inner summary{padding:13px 15px;border-top:1px solid var(--jr-line);font-weight:700;font-size:14px}.mobile-nav-inner details{width:100%}.mobile-nav-inner summary{cursor:pointer;list-style:none}.mobile-nav-inner summary::-webkit-details-marker{display:none}.mobile-submenu{display:flex;flex-direction:column;background:#f5f8fa}.mobile-submenu a{padding:10px 28px;font-size:13px;border-top:1px solid #e4ebef}.mobile-quote{margin:14px 15px!important;background:var(--jr-blue);color:#fff!important;text-align:center}.nav>a{outline-offset:3px}
@media(max-width:1100px){.brand{min-width:210px}.nav a{padding:0 10px}.header-actions{gap:10px}.quote-btn{padding:12px 14px}.mega-menu{width:min(720px,calc(100vw - 30px))}.hero h1{font-size:54px}}
@media(max-width:780px){.mobile-nav{display:block;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--jr-line);box-shadow:0 16px 30px rgba(8,29,42,.12);z-index:99}.mobile-nav[hidden]{display:none}.hero h1{font-size:44px}.visual-fallback{height:340px}.resource-grid{grid-template-columns:1fr}.visual-card{min-height:164px}.visual-copy{left:16px;bottom:15px}.visual-copy strong{font-size:15px}.visual-copy small{font-size:10px}.mega-menu{display:none}}
\n\n/* JiaRun Lab V3.6 — premium identity and product presentation */\n.brand{display:flex;align-items:center;min-width:250px;height:100%;text-decoration:none}\n.brand-logo{display:block;width:235px;height:auto;max-height:70px;object-fit:contain;object-position:left center}\n.footer-logo{display:block;width:235px;height:auto;max-height:72px;object-fit:contain;object-position:left center;filter:brightness(0) invert(1);margin:0 0 16px}\n.hero{background:linear-gradient(135deg,#082735 0%,#0b3040 55%,#0b3a4c 100%)}\n.hero::after{content:"";position:absolute;inset:auto -10% -55% 45%;height:70%;background:radial-gradient(circle,rgba(43,157,215,.16),transparent 62%);pointer-events:none}\n.hero .btn-outline{border-color:rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.025)}\n.hero .btn-outline:hover{background:#fff;color:#0b3040;border-color:#fff}\n.visual-fallback{gap:14px;filter:drop-shadow(0 24px 45px rgba(0,0,0,.18))}\n.visual-card{border:1px solid rgba(255,255,255,.24);background:linear-gradient(145deg,#edf5f8,#c9d8e1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}\n.visual-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(0,0,0,.22);border-color:rgba(82,181,230,.75)}\n.visual-card:not(:has(img)){background:linear-gradient(145deg,#edf5f8 0%,#d5e2e9 60%,#b9cad4 100%)}\n.visual-card:not(:has(img))::before{content:"LABORATORY EQUIPMENT";position:absolute;top:24px;left:24px;font-size:9px;letter-spacing:2px;font-weight:800;color:#55717f;opacity:.8}\n.visual-overlay{background:linear-gradient(180deg,rgba(4,20,30,.02) 28%,rgba(4,20,30,.72) 100%)}\n.visual-copy strong{font-size:19px;text-shadow:0 1px 2px rgba(0,0,0,.16)}\n.product-thumb{background:linear-gradient(145deg,#f7fafc,#e6eef3);position:relative}\n.product-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,37,49,.035));pointer-events:none}\n.product-thumb img{position:relative;z-index:1;transition:transform .35s ease}\n.product-card:hover .product-thumb img{transform:scale(1.025)}\n.thumb-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:11px!important;letter-spacing:2px!important;font-weight:800;color:#6e8795!important;background:radial-gradient(circle at 50% 42%,rgba(31,139,195,.08),transparent 28%)}\n.product-card{overflow:hidden}\n.product-card .product-body{padding:26px 24px 25px}\n.product-card .product-link{letter-spacing:.3px}\n@media(max-width:1100px){.brand{min-width:220px}.brand-logo{width:215px}.nav a{padding:0 8px}.header-actions{gap:8px}}\n@media(max-width:780px){.brand-logo{width:190px;max-height:58px}.footer-logo{width:210px}.hero{min-height:auto}.visual-card:not(:has(img))::before{top:16px;left:16px}.visual-copy strong{font-size:15px}}\n
/* JiaRun Lab V3.8 — product catalog repair + real product photography + laboratory scenes */
.visual-card img{object-fit:cover;padding:0;width:100%;height:100%;filter:saturate(.92);}
.visual-card img[src*="low-temperature-circulator"]{object-fit:contain;padding:22px;background:#edf4f7}
.visual-card img[src*="glass-reactor"]{object-fit:contain;padding:18px;background:#edf4f7}
.visual-card img[src*="vacuum-pump"]{object-fit:contain;padding:22px;background:#edf4f7}
.visual-card img[src*="rotary-evaporator"]{object-fit:contain;padding:18px;background:#edf4f7}
.visual-card .visual-overlay{z-index:2}
.visual-card .visual-copy{z-index:3}
.product-thumb img{width:100%;height:100%;object-fit:contain;padding:24px;}
.application-panel{position:relative;overflow:hidden;background:#0b3040;}
.application-scene,.trust-box>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.application-scene{filter:saturate(.85);}
.scene-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,28,40,.12),rgba(5,28,40,.84));z-index:1;pointer-events:none;}
.application-panel-copy,.trust-box>div{position:relative;z-index:2;}
.application-list{gap:18px;}
.app-item{padding:0;overflow:hidden;display:flex;flex-direction:column;min-height:240px;}
.app-item img{width:100%;height:100px;object-fit:cover;display:block;}
.app-item>div{padding:24px 28px 28px;display:flex;flex-direction:column;gap:10px;}
.app-item span{line-height:1.8;}
.trust-box{position:relative;overflow:hidden;color:#fff;background:#0b3040;}
.trust-box>img{filter:saturate(.78);}
.trust-box>div{padding:40px;}
.trust-box .kicker{color:#68b9e5;}
.trust-box strong{display:block;font-size:30px;line-height:1.25;max-width:520px;text-shadow:0 1px 4px rgba(0,0,0,.18);}
.footer-logo{content:url("assets/images/jiarun-logo-white.png");filter:none;}
@media(max-width:780px){.app-item{min-height:0}.app-item img{height:120px}.trust-box{min-height:300px}.trust-box>div{padding:26px}.trust-box strong{font-size:24px}}

/* JiaRun V3.8 Product Detail — B2B laboratory equipment layout */
.product-detail-hero{background:#f4f8fa;border-bottom:1px solid #d7e2e8;padding:24px 0 70px}.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-top:38px}.product-detail-copy h1{font-size:52px;line-height:1.06;margin:12px 0 22px;color:#06283a;letter-spacing:-1.2px}.product-lead{font-size:19px;line-height:1.75;color:#49687b;max-width:650px}.product-detail-actions{display:flex;gap:14px;margin-top:30px}.btn-outline-dark{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border:1px solid #123b4d;color:#123b4d;text-decoration:none;font-weight:700;letter-spacing:.2px}.product-detail-image{background:#fff;border:1px solid #d5e0e6;min-height:460px;display:flex;align-items:center;justify-content:center;padding:35px}.product-detail-image img{width:100%;height:390px;object-fit:contain}.product-detail-main{padding:75px 0 20px}.product-overview-grid{display:grid;grid-template-columns:1.65fr .75fr;gap:55px;align-items:start}.product-overview h2,.product-section h2{font-size:36px;line-height:1.18;color:#06283a;margin:8px 0 18px;letter-spacing:-.5px}.product-overview p,.section-heading p{font-size:17px;line-height:1.8;color:#587287;max-width:800px}.product-side-card{border:1px solid #d5e0e6;padding:30px;background:#f4f8fa}.side-label{display:block;font-size:11px;letter-spacing:2px;color:#087dc1;font-weight:800;margin-bottom:14px}.product-side-card strong{display:block;font-size:22px;color:#06283a;margin-bottom:12px}.product-side-card p{color:#587287;line-height:1.7;margin-bottom:22px}.product-section{padding:85px 0;border-top:1px solid #e1e8ec}.section-heading{max-width:800px;margin-bottom:34px}.section-heading h2{margin-bottom:14px}.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d5e0e6;border-left:1px solid #d5e0e6}.spec-card{padding:28px;border-right:1px solid #d5e0e6;border-bottom:1px solid #d5e0e6;min-height:205px}.spec-card span{display:block;color:#087dc1;font-size:12px;font-weight:800;letter-spacing:1.5px;margin-bottom:30px}.spec-card strong{display:block;color:#06283a;font-size:18px;margin-bottom:10px}.spec-card p{font-size:14px;line-height:1.65;color:#60788a;margin:0}.product-application-band{background:#062b3b;color:#fff;padding:65px 50px;margin:0 0 0}.product-application-band h2{color:#fff}.product-application-band p{color:#d3e1e8}.application-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#315261;margin-top:35px}.application-checks div{background:#062b3b;padding:18px 20px;color:#e5eef2;font-weight:600}.quote-panel{background:#1686c8;padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:30px}.quote-panel strong{display:block;color:#fff;font-size:22px;margin-bottom:7px}.quote-panel span{color:#dceef8}.quote-panel .btn-primary{background:#fff;color:#06283a}.related-products .product-grid{margin-top:10px}
@media(max-width:900px){.product-detail-grid,.product-overview-grid{grid-template-columns:1fr;gap:35px}.product-detail-copy h1{font-size:42px}.spec-grid{grid-template-columns:repeat(2,1fr)}.product-application-band{padding:50px 30px}.quote-panel{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.product-detail-hero{padding-bottom:45px}.product-detail-grid{padding-top:20px}.product-detail-copy h1{font-size:34px}.product-lead{font-size:16px}.product-detail-image{min-height:300px;padding:20px}.product-detail-image img{height:260px}.product-detail-main{padding-top:45px}.product-overview h2,.product-section h2{font-size:29px}.spec-grid{grid-template-columns:1fr}.product-application-band{padding:40px 22px}.application-checks{grid-template-columns:1fr}.quote-panel{padding:26px 22px}}
/* V3.9 product specification table */
.spec-table-wrap{border:1px solid #d6e1e8;background:#fff;overflow:hidden;box-shadow:0 8px 28px rgba(7,39,55,.04)}
.spec-table{width:100%;border-collapse:collapse;font-size:15px}
.spec-table th,.spec-table td{padding:18px 22px;border-bottom:1px solid #e2e9ee;text-align:left;vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table th{width:34%;background:#f4f8fa;color:#0a2d42;font-weight:700}
.spec-table td{color:#3f6175;font-weight:500}
.spec-note{margin-top:18px;padding:18px 22px;background:#edf6fb;border-left:3px solid #1687c9;color:#45677b;line-height:1.7}
.spec-note strong{color:#0a2d42;margin-right:6px}
@media(max-width:700px){.spec-table th,.spec-table td{padding:14px 15px}.spec-table th{width:42%}}

/* v4.1 technical specification matrix */
.spec-matrix{min-width:980px;border-collapse:collapse;width:100%;background:#fff}
.spec-matrix thead th{background:#082b3a;color:#fff;font-weight:700;font-size:13px;padding:13px 12px;text-align:left;border:1px solid #d7e1e7;white-space:normal}
.spec-matrix tbody th{background:#f2f6f8;color:#082b3a;font-weight:700;width:190px}
.spec-matrix tbody td,.spec-matrix tbody th{padding:12px;border:1px solid #d7e1e7;vertical-align:top;font-size:14px;line-height:1.55}
.spec-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-request-card{border:1px solid #d7e1e7;background:#f7fafb;padding:32px;max-width:760px}
.spec-request-card strong{display:block;font-size:22px;color:#082b3a;margin-bottom:10px}
.spec-request-card p{color:#4d6a7c;line-height:1.75;margin:0 0 18px}
@media(max-width:700px){.spec-matrix{min-width:860px}.spec-request-card{padding:24px}}


/* JiaRun V4.3 — product image placeholders and source-controlled Heating & Cooling Circulator content */
.product-image-placeholder{min-height:460px;background:#fff;border:1px solid #d5e0e6;position:relative;overflow:hidden;}
.product-image-placeholder::before{content:"";position:absolute;inset:26px;border:1px dashed #b9cbd5;pointer-events:none;}
.product-placeholder-inner{position:relative;z-index:1;text-align:center;padding:40px;color:#617b8a;}
.product-placeholder-inner span{display:block;font-size:11px;letter-spacing:2.4px;font-weight:800;color:#1686c8;margin-bottom:14px;}
.product-placeholder-inner strong{display:block;font-size:20px;color:#163b4d;margin-bottom:8px;}
.product-placeholder-inner small{font-size:13px;color:#78909d;}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#d5e0e6;border:1px solid #d5e0e6;}
.info-card{background:#fff;padding:28px 30px;min-height:190px;}
.info-card span{display:block;color:#087dc1;font-size:11px;font-weight:800;letter-spacing:1.8px;margin-bottom:24px;}
.info-card h3{font-size:20px;color:#06283a;margin:0 0 10px;}
.info-card p{font-size:15px;line-height:1.75;color:#587287;margin:0;max-width:560px;}
.selection-section{background:#f5f8fa;padding-left:40px;padding-right:40px;}
.selection-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d5e0e6;border-left:1px solid #d5e0e6;}
.selection-grid div{background:#fff;padding:22px 20px;border-right:1px solid #d5e0e6;border-bottom:1px solid #d5e0e6;color:#173b4d;font-weight:600;font-size:14px;min-height:72px;display:flex;align-items:center;}
@media(max-width:900px){.info-grid{grid-template-columns:1fr}.selection-grid{grid-template-columns:repeat(2,1fr)}.selection-section{padding-left:25px;padding-right:25px}}
@media(max-width:600px){.product-image-placeholder{min-height:300px}.selection-grid{grid-template-columns:1fr}.info-card{padding:24px}.selection-section{padding-left:0;padding-right:0}}