:root{--ink:#202325;--muted:#5d6263;--canvas:#f1f2ef;--surface:#fff;--steel:#e3e5e2;--line:#cbd0cd;--accent:#c84a0a;--accent-dark:#a83b05;--accent-link:#ad3e05;--technical:#25292b;--technical-muted:#c5c9c7;--wash:#eceeeb;--max:1120px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:17px;line-height:1.55;letter-spacing:-.016em;background:var(--canvas)}a{color:var(--accent-link);text-underline-offset:4px;text-decoration-thickness:1px}button,input,select,textarea{font:inherit}a,button,summary{touch-action:manipulation}button,a,summary{transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}a:hover{text-decoration:underline}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:650;line-height:1.1;letter-spacing:-.04em}h1{font-size:clamp(36px,4.5vw,56px)}h2{font-size:clamp(29px,3.3vw,40px)}h3{font-size:25px}p+p{margin-top:16px}p{max-width:74ch}ul,ol{padding-left:22px}li+li{margin-top:9px}small,.small{font-size:14px;line-height:1.5;color:var(--muted)}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}section,[id]{scroll-margin-top:150px}.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.narrow{max-width:800px;margin-inline:auto}.center{text-align:center}.center p{margin-inline:auto}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:.13em;color:var(--accent-link);margin-bottom:16px}.lead{font-size:23px;font-weight:350;line-height:1.45;margin-top:20px;max-width:700px}.skip{position:fixed;left:16px;top:-90px;z-index:10;padding:12px;background:white}.skip:focus{top:12px}.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;letter-spacing:-.05em;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}.brand::before{content:"";width:5px;height:20px;background:var(--accent);display:block}.brand span{font-weight:450;color:var(--muted)}.nav{display:flex;align-items:center;gap:22px}.nav a{font-size:14px;color:var(--ink);padding-block:12px;text-decoration:none;border-bottom:2px solid transparent}.nav a:hover,.nav a[aria-current=page]{color:var(--accent-link);border-bottom-color:var(--accent)}.nav .button{color:#fff;padding:10px 18px;border:1px solid var(--accent)}.nav .nav-email{padding:9px 14px;border:1px solid #cdd2cf;border-radius:999px;background:var(--wash);color:var(--accent-link);font-weight:650}.nav .nav-email:hover{background:#fff4ed;border-color:var(--accent);color:var(--accent-dark);text-decoration:none}.menu-toggle{display:none;background:white;border:1px solid var(--line);padding:10px 18px;border-radius:999px;min-height:44px}.preview-note{font-size:12px;color:var(--muted);text-align:center;padding:9px 20px;background:var(--steel);border-bottom:1px solid var(--line)}.hero{padding:64px 0 0;background:var(--canvas)}.hero .actions{margin-top:26px}.hero-visual{width:100%;margin-top:26px;background:#eceeec;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-visual img{width:100%;height:clamp(270px,38vw,580px);object-fit:contain}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.center .actions{justify-content:center}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 22px;background:var(--accent);border:1px solid var(--accent);border-radius:999px;color:#fff;text-decoration:none;font-weight:650;line-height:1.3;letter-spacing:-.016em}.button:hover{background:var(--accent-dark);border-color:var(--accent-dark);text-decoration:none;transform:translateY(-1px)}.button.secondary{color:var(--ink);border-color:#747977;background:transparent}.button.secondary:hover{background:var(--steel);border-color:var(--ink)}.section{padding-block:76px}.section.white{background:var(--surface)}.section.wash{background:var(--technical);color:#fff;border-block:1px solid #171a1b}.section.wash p{color:var(--technical-muted)}.section.wash .eyebrow{color:#ff9a61}.section.wash .button.secondary{color:#fff;border-color:#9ba09d}.section.wash .button.secondary:hover{background:#363b3d;border-color:#fff}.section-heading{margin-bottom:40px}.section-heading p{margin-top:16px;color:var(--muted)}.intro-strip{display:flex;justify-content:space-between;gap:30px;padding-block:25px;border-bottom:1px solid var(--line);font-size:14px}.intro-strip strong{display:flex;align-items:center;gap:10px}.intro-strip strong::before{content:"";width:20px;height:3px;background:var(--accent)}.intro-strip span{color:var(--muted)}.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.family{padding-top:26px;border-top:3px solid var(--line);position:relative}.family .number{font-size:13px;color:var(--muted);margin-bottom:22px}.family h3 a{color:var(--ink);text-decoration:none}.family:hover h3 a{color:var(--accent-link)}.family p{margin:15px 0 20px;color:var(--muted)}.family a.more{display:inline-block;padding-block:10px;font-weight:600}.family:hover{border-color:var(--accent)}.row-link{display:grid;grid-template-columns:60px 1fr 36px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}.row-link:first-child{border-top:1px solid var(--line)}.row-link .num{font-size:14px;color:var(--accent-link);font-weight:700}.row-link strong{font-size:22px;font-weight:650}.row-link p{margin-top:7px;color:var(--muted);font-size:16px}.row-link .arrow{font-size:25px;color:var(--accent)}.row-link:hover{text-decoration:none;color:var(--accent-link);transform:translateX(4px)}.split{display:grid;grid-template-columns:1fr 1fr;gap:64px}.split h2,.split h3{margin-bottom:20px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:36px}.step{border-top:3px solid var(--line);padding-top:24px}.step:hover{border-top-color:var(--accent)}.step p{color:var(--muted);margin-top:14px}.step .eyebrow{margin-bottom:16px}.cta p{margin-top:18px}.cta .actions{margin-top:28px}.page-head{padding:50px 0 55px;background:var(--wash);border-bottom:1px solid var(--line)}.breadcrumbs{font-size:13px;margin-bottom:30px;display:flex;gap:9px;flex-wrap:wrap}.breadcrumbs a{color:var(--muted)}.page-head .lead{font-size:22px}.notice{padding:20px 24px;border-left:4px solid var(--accent);background:#fff;font-size:15px;color:var(--muted);margin-top:28px}.subnav{display:flex;flex-wrap:wrap;gap:24px;border-bottom:1px solid var(--line);padding-block:12px}.subnav a{font-size:14px;padding-block:8px;font-weight:600}.photo-slot{border:1px dashed #959b98;border-top:4px solid var(--accent);border-radius:8px;min-height:280px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:12px;padding:32px;color:var(--muted);background:var(--wash)}.photo-slot strong{font-weight:500;font-size:20px}.photo-slot span{font-size:14px;max-width:330px}.photo-slot.compact{min-height:175px}.evidence-tag{display:inline-block;border:1px solid #dcaa8d;background:#fff7f2;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:650;letter-spacing:.02em;color:#8d3508;margin-bottom:22px}.spec-group{margin-top:26px}.spec-group dt{font-size:14px;color:var(--muted)}.spec-group dd{margin:4px 0 24px;font-size:20px}.table-scroll{overflow-x:auto;margin-top:28px}table{width:100%;border-collapse:collapse;font-size:16px;text-align:left}th,td{padding:18px 20px 18px 0;vertical-align:top;border-bottom:1px solid var(--line)}thead th{border-bottom:3px solid var(--ink)}th{font-weight:650}caption{text-align:left;font-size:14px;color:var(--muted);margin-bottom:12px}details{border-bottom:1px solid var(--line);padding-block:4px}summary{padding:20px 28px 20px 0;font-size:19px;cursor:pointer;font-weight:600}summary:hover{color:var(--accent-link)}details p,details ul{margin-bottom:22px;max-width:75ch}details[open] summary{color:var(--accent-link)}.application{padding-block:48px;border-top:1px solid var(--line)}.application:first-of-type{padding-top:0;border-top:0}.application header p{color:var(--muted);margin-top:16px}.application .split{gap:48px;margin-top:24px}.application h3{font-size:20px}.application .actions{margin-top:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field{display:flex;flex-direction:column;gap:8px}.field.full{grid-column:1/-1}label,legend{font-size:15px;font-weight:600}input,select,textarea{width:100%;border:1px solid #7b817e;background:white;border-radius:8px;min-height:48px;padding:12px;color:var(--ink)}textarea{resize:vertical;min-height:140px}fieldset{border:0;padding:0;margin:0 0 32px}legend{font-size:24px;margin-bottom:24px;font-weight:650}.form-actions{margin-top:28px}.result{margin-top:32px}.result textarea{min-height:330px;font-size:15px}.status{margin-top:16px;font-size:15px}.footer{border-top:4px solid var(--accent);padding:40px 0;background:var(--technical);color:#fff}.footer-top{display:flex;justify-content:space-between;gap:28px;margin-bottom:28px}.footer .brand{color:#fff}.footer .brand span{color:var(--technical-muted)}.footer-links{display:flex;gap:25px;flex-wrap:wrap}.footer-links a{font-size:14px;color:var(--technical-muted)}.footer p{font-size:13px;color:var(--technical-muted);max-width:90ch}.footer a{color:#f0b18e}.footer-contact{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:2px}.footer-contact p{font-size:15px}.footer-contact strong{color:#fff}.footer-email{font-weight:650;user-select:text}.footer hr{border:0;border-top:1px solid #4b5152;margin:26px 0}.text-block h2{margin:36px 0 18px}.text-block h2:first-child{margin-top:0}.text-block h3{margin:28px 0 14px}.text-block .actions{margin-top:24px}[hidden]{display:none!important}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:68px;flex-wrap:wrap;gap:0}.brand{font-size:18px}.menu-toggle{display:block}.nav{width:100%;flex-wrap:wrap;gap:8px 24px;padding-bottom:16px}.js .nav{display:none}.js .nav.is-open{display:flex}.nav a{font-size:15px}.hero{padding-top:42px}.hero .lead{font-size:21px}.hero-visual{margin-top:32px}.hero-visual img{height:auto;aspect-ratio:1.5;object-fit:contain}.section{padding-block:52px}.intro-strip{flex-direction:column;gap:9px}.family-grid,.steps,.split,.form-grid{grid-template-columns:1fr;gap:32px}.family{padding-top:20px}.family .number{margin-bottom:14px}.row-link{grid-template-columns:30px 1fr 22px;gap:10px}.row-link strong{font-size:20px}.page-head{padding-top:30px}.subnav{gap:10px 22px}.photo-slot{min-height:220px}.footer-top{flex-direction:column}.application .split{gap:12px}.table-scroll{font-size:14px}th,td{min-width:130px;padding:14px 12px 14px 0}.lead{font-size:21px}.field.full{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.button:hover,.row-link:hover{transform:none}}
@media print{.site-header,.preview-note,.footer,.actions,.subnav{display:none}.section,.page-head{padding-block:20px}.wrap{width:100%}body{background:white;color:black}}
.catalog-grid{grid-template-columns:repeat(4,1fr);gap:34px 24px}.product-card{padding-top:0;border-top:0}.card-image{display:block;aspect-ratio:4/3;background:var(--wash);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:20px}.card-image img{width:100%;height:100%;object-fit:cover}.product-card:hover .card-image{border-color:#8f9592}.product-card .number{min-height:38px;margin-bottom:10px}.product-card h3{font-size:22px}.featured-product,.product-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:56px;align-items:center}.featured-image,.product-main-image{background:var(--wash);border:1px solid var(--line);border-radius:14px;overflow:hidden}.featured-image img,.product-main-image img{width:100%;aspect-ratio:4/3;object-fit:cover}.featured-product h2,.product-hero h2{margin-bottom:18px}.featured-product .actions,.product-hero .actions{margin-top:24px}.mini-specs{margin:24px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-specs div{border-top:2px solid var(--line);padding-top:11px}.mini-specs dt{font-size:12px;color:var(--muted);line-height:1.35}.mini-specs dd{font-size:16px;font-weight:650;margin:6px 0 0}.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.boundary-grid article{border:1px solid var(--line);border-radius:14px;padding:30px;background:#fff}.boundary-grid article:last-child{background:var(--technical);color:#fff;border-color:var(--technical)}.boundary-grid article:last-child li{color:var(--technical-muted)}.lock-label,.flex-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-link);margin-bottom:18px}.flex-label{color:#ff9a61}.product-gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}.product-gallery figure{min-width:0}.product-gallery img{width:100%;min-height:250px;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:12px}.product-gallery figcaption{font-size:12px;color:var(--muted);margin-top:10px}.source-line{margin-top:26px;font-size:14px;color:var(--muted)}
@media(max-width:980px){.catalog-grid{grid-template-columns:repeat(2,1fr)}.featured-product,.product-hero{grid-template-columns:1fr;gap:34px}.product-gallery{grid-template-columns:1fr 1fr}.product-gallery figure:first-child{grid-column:1/-1}}
@media(max-width:760px){.catalog-grid,.boundary-grid,.product-gallery,.mini-specs{grid-template-columns:1fr}.product-gallery figure:first-child{grid-column:auto}.product-card{padding-top:0}.product-card .number{min-height:0}.subnav{gap:8px 18px;overflow-x:auto;flex-wrap:nowrap}.subnav a{white-space:nowrap}}
h1,h2,h3,th,td,dd{overflow-wrap:anywhere}
.nav-group{position:relative}.nav-group summary{list-style:none;font-size:14px;padding:12px 0;cursor:pointer;color:var(--ink);font-weight:500;white-space:nowrap}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary span{display:inline-block;margin-left:5px;color:var(--accent);transition:transform .2s ease}.nav-group[open] summary{color:var(--accent-link)}.nav-group[open] summary span{transform:rotate(45deg)}.nav-group[open]>.mega-panel{animation:mega-panel-in .26s cubic-bezier(.22,1,.36,1) both}.nav-group.is-closing>.mega-panel{animation:mega-panel-out .2s ease-in both;pointer-events:none}@keyframes mega-panel-in{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}@keyframes mega-panel-out{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-5px)}}.mega-panel{position:absolute;z-index:8;top:calc(100% + 18px);right:-260px;width:min(940px,calc(100vw - 48px));display:grid;grid-template-columns:240px 1fr;gap:30px;padding:28px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:0 0 16px 16px;box-shadow:0 24px 60px rgba(28,32,31,.16);transform-origin:top center;will-change:opacity,transform}.mega-intro{padding-right:24px;border-right:1px solid var(--line)}.mega-intro>strong{display:block;font-size:22px;line-height:1.18;letter-spacing:-.03em}.mega-intro p{font-size:14px;color:var(--muted);margin:12px 0 18px}.mega-overview{font-size:14px;font-weight:700}.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.mega-list>a{display:flex;flex-direction:column;gap:2px;padding:10px 12px!important;border:0!important;border-radius:9px}.mega-list>a:hover{background:var(--wash);text-decoration:none}.mega-list strong{font-size:14px;color:var(--ink)}.mega-list small{font-size:12px;color:var(--muted);line-height:1.35}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.fit-grid article,.application-fit article{border:1px solid var(--line);border-radius:14px;background:#fff;padding:26px}.fit-grid article:last-child{background:var(--technical);color:#fff;border-color:var(--technical)}.fit-grid article:last-child li{color:var(--technical-muted)}.fit-state{display:inline-block;margin-bottom:15px;padding:5px 11px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.fit-state-good{background:#e7efe8;color:#315a37}.fit-state-alert{background:#fff1e9;color:#8d3508}.fit-state-neutral{background:#e8e9e7;color:#4b504e}.application-fit{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.application-fit p{color:var(--muted)}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.support-grid article{border-top:3px solid var(--line);padding-top:16px}.support-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:10px;margin-bottom:14px}.support-grid h3{font-size:19px}.support-grid h3 a{color:var(--ink);text-decoration:none}.support-grid p{font-size:14px;color:var(--muted);margin-top:8px}
@media(max-width:900px){.nav-group{width:100%}.nav-group summary{padding:10px 0}.mega-panel{position:static;width:100%;grid-template-columns:1fr;padding:20px;margin-bottom:8px;border-radius:0 0 12px 12px;box-shadow:none}.mega-intro{padding:0 0 18px;border-right:0;border-bottom:1px solid var(--line)}.mega-list{grid-template-columns:1fr}.application-fit,.support-grid{grid-template-columns:1fr}}
@media(max-width:760px){.fit-grid{grid-template-columns:1fr}.nav .button{margin-bottom:12px}.nav>details+details{border-top:1px solid var(--line)}}

/* Baidou V3 dynamic-page additions. */
.system-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.system-grid article{padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--canvas)}.system-grid span{display:block;margin-bottom:24px;color:var(--accent-link);font-size:13px;font-weight:700}.system-grid p{margin-top:14px;color:var(--muted)}
.inquiry-layout{display:grid;grid-template-columns:minmax(0,.82fr) minmax(420px,1.18fr);gap:64px;align-items:start}.inquiry-shell{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 20px 50px rgba(28,32,31,.08);--secondary-color:var(--accent);--primary-color:var(--technical)}.inquiry-shell>div:first-child{padding:20px 26px;background:var(--wash);border-bottom:1px solid var(--line)}.inquiry-shell>form{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:26px}.inquiry-shell .form-group{display:flex;flex-direction:column;gap:8px}.inquiry-shell .form-group:last-of-type{grid-column:1/-1}.inquiry-shell label{font-size:14px;font-weight:650}.inquiry-shell input,.inquiry-shell textarea{border-color:#7b817e}.inquiry-shell textarea{min-height:150px}.inquiry-shell .submit-btn{grid-column:1/-1;justify-self:start;min-height:46px;padding:11px 22px;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:#fff;font-weight:650}.inquiry-shell .submit-btn:hover{background:var(--accent-dark);border-color:var(--accent-dark)}.inquiry-shell #messageStatus{grid-column:1/-1}.email-quote-option{padding:24px 26px 26px;border-top:1px solid var(--line);background:var(--wash)}.email-quote-option p{color:var(--muted)}.email-quote-option p:first-child{color:var(--ink);font-size:18px}.email-quote-option .button{margin-top:18px;background:#fff}
.empty-state{padding:28px;border-left:4px solid var(--accent);background:var(--wash);color:var(--muted)}.card-image-empty{display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none}.detail-boundaries{margin-top:34px}.preline{white-space:normal}.meta{margin-top:20px;color:var(--muted);font-size:14px}.pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:44px}.pagination a,.pagination span{padding:9px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.rich-content{font-size:18px;line-height:1.72}.rich-content>*+*{margin-top:20px}.rich-content h2,.rich-content h3{margin-top:38px}.rich-content img,.resource-hero img{width:100%;height:auto;border-radius:12px}.resource-hero{margin-bottom:34px}
@media(max-width:900px){.inquiry-layout{grid-template-columns:1fr}.system-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.system-grid,.inquiry-shell>form{grid-template-columns:1fr}.inquiry-shell .form-group:last-of-type{grid-column:auto}.inquiry-layout{gap:34px}.pagination{flex-wrap:wrap}}

/* Demo tipper product page. */
.demo-product-page{overflow-x:hidden}.demo-product-page [id]{scroll-margin-top:118px}.demo-hold{display:flex;justify-content:center;gap:14px;align-items:center;padding:10px 20px;background:#252a2b;color:#fff;font-size:12px;letter-spacing:.02em}.demo-hold strong{color:#ff9a61}.demo-hold span{color:#d3d6d4}.demo-hero{padding:48px 0 68px;background:linear-gradient(180deg,#f6f4ef 0%,#eceae4 100%);border-bottom:1px solid var(--line)}.demo-hero-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(480px,1.08fr);gap:54px;align-items:center}.demo-hero-copy h1{font-size:clamp(40px,5vw,72px);line-height:1.01;max-width:12ch}.demo-hero-copy .lead{margin-top:22px;color:var(--muted);max-width:58ch}.demo-main-image{overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#ddd;box-shadow:0 24px 60px rgba(31,36,34,.12)}.demo-main-image img{width:100%;aspect-ratio:4/3;object-fit:cover}.demo-main-image figcaption{padding:12px 16px;background:#fff;color:var(--muted);font-size:12px}.selection-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}.selection-facts article{padding:16px;border:1px solid #c9cbc7;border-radius:16px;background:rgba(255,255,255,.66)}.selection-facts span,.selection-facts small{display:block;color:var(--muted);font-size:11px;line-height:1.45}.selection-facts strong{display:block;margin:7px 0;font-size:16px}.demo-product-page .button{border-radius:14px;transition:background-color .28s ease,border-color .28s ease,color .28s ease,transform .28s ease,box-shadow .28s ease}.demo-product-page .button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(184,74,23,.18)}.demo-anchor-nav{position:sticky;top:0;z-index:6;background:rgba(255,255,255,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.demo-anchor-nav .wrap{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}.demo-anchor-nav a{flex:0 0 auto;padding:16px 0;color:var(--muted);font-size:13px;font-weight:650;text-decoration:none;transition:color .25s ease}.demo-anchor-nav a:hover,.demo-anchor-nav a.is-active{color:var(--accent-link)}.demo-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.demo-gallery figure{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s ease}.demo-gallery figure:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(28,32,31,.1)}.demo-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:opacity .35s ease,transform .55s cubic-bezier(.22,1,.36,1)}.demo-gallery figure:hover img{opacity:.94;transform:scale(1.018)}.demo-gallery figcaption{display:flex;gap:10px;align-items:center;padding:14px 16px;color:var(--muted);font-size:13px}.demo-gallery figcaption span,.status-d{padding:4px 9px;border-radius:999px;background:#fff0e7;color:#8d3508;font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.05em}.formula-panel{padding:34px;border:1px solid #555b5c;border-radius:22px;background:#2e3334}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:clamp(18px,2vw,27px);color:#fff}.formula+.formula{margin-top:12px}.worked-example{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:28px;background:#555b5c}.worked-example>div{padding:22px;background:#252a2b}.worked-example span,.worked-example small{display:block;color:#afb5b2;font-size:12px;line-height:1.5}.worked-example strong{display:block;margin:10px 0;color:#fff;font-size:17px}.cycle-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:24px}.cycle-grid article{padding-top:18px;border-top:2px solid #555b5c}.cycle-grid span{color:#ff9a61;font-size:12px;font-weight:700}.cycle-grid p{margin-top:10px;color:var(--technical-muted);font-size:14px}.spec-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.spec-card{border:1px solid var(--line);border-radius:20px;background:var(--canvas);overflow:hidden}.spec-card-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--line)}.spec-card dl{padding:0 24px}.spec-card dl>div{padding:16px 0;border-bottom:1px solid var(--line)}.spec-card dl>div:last-child{border-bottom:0}.spec-card dt{color:var(--muted);font-size:12px}.spec-card dd{margin-top:6px;font-size:17px;font-weight:650}.spec-card dd small{display:block;margin-top:5px;color:var(--muted);font-size:11px;font-weight:400}.option-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.option-grid article,.commercial-grid article,.verification-grid article{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.option-grid p,.commercial-grid p,.verification-grid p{margin-top:12px;color:var(--muted)}.commercial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.commercial-grid ul,.fit-grid ul{margin:14px 0 0;padding-left:20px}.commercial-grid li,.fit-grid li{margin:9px 0;color:var(--muted)}.faq-list{margin-top:34px}.compare-panel{margin-top:34px;padding:26px;border-radius:20px;background:var(--technical);color:#fff}.compare-panel>div{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.compare-panel span{padding:14px;border:1px solid #4b5152;border-radius:12px;color:#d8dcda}.compare-panel p{margin-top:14px;color:var(--technical-muted);font-size:13px}.verification-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.demo-rfq{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 20px 50px rgba(28,32,31,.08)}.demo-rfq .full,.demo-rfq .contact-rule,.demo-rfq .demo-rfq-status,.demo-rfq .button{grid-column:1/-1}.contact-rule{margin-top:-8px;color:var(--muted);font-size:12px}.contact-rule.is-error,.demo-rfq-status.is-error{color:#a1360f}.demo-rfq-status.is-success{color:#315a37}.demo-rfq .button{justify-self:start}.motion-ready .reveal{opacity:1;transform:none}.motion-ready .reveal.is-visible{animation:demo-reveal .6s cubic-bezier(.22,1,.36,1) both}@keyframes demo-reveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(max-width:1100px){.demo-hero-grid{grid-template-columns:1fr}.demo-main-image{max-width:820px}.selection-facts{max-width:820px}.worked-example{grid-template-columns:1fr 1fr}.cycle-grid{grid-template-columns:repeat(3,1fr)}.spec-columns{grid-template-columns:1fr 1fr}.spec-card:last-child{grid-column:1/-1}}
@media(max-width:760px){.demo-hold{align-items:flex-start;flex-direction:column;gap:2px;padding-inline:20px}.demo-hero{padding:28px 0 48px}.demo-hero-grid{gap:30px}.demo-hero-copy h1{font-size:39px;max-width:none}.selection-facts,.demo-gallery,.worked-example,.cycle-grid,.spec-columns,.option-grid,.commercial-grid,.verification-grid,.demo-rfq,.compare-panel>div{grid-template-columns:1fr}.demo-main-image{border-radius:18px}.demo-main-image img{aspect-ratio:1/1;object-fit:cover}.selection-facts article{padding:14px}.demo-anchor-nav .wrap{gap:22px}.demo-gallery{gap:16px}.spec-card:last-child,.demo-rfq .full,.demo-rfq .contact-rule,.demo-rfq .demo-rfq-status,.demo-rfq .button{grid-column:auto}.formula-panel{padding:22px}.cycle-grid{gap:12px}.inquiry-layout{grid-template-columns:1fr}.demo-rfq{padding:20px}.demo-product-page .section{padding-block:50px}}
@media(prefers-reduced-motion:reduce){.motion-ready .reveal{opacity:1;transform:none}.demo-gallery figure,.demo-gallery img,.demo-product-page .button{transition:none}.demo-gallery figure:hover,.demo-gallery figure:hover img,.demo-product-page .button:hover{transform:none}}

/* Approved real-vehicle catalog. */
.nav-cluster{position:relative;display:flex;align-items:center;gap:4px}.nav-cluster>.nav-root-link{font-weight:500}.nav-cluster .nav-group summary{display:grid;width:28px;height:38px;place-items:center;padding:0;border-radius:10px}.nav-cluster .nav-group summary:hover{background:var(--wash)}.nav-cluster .nav-group summary span{margin:0}.nav-cluster .mega-panel{top:calc(100% + 18px)}
.catalog-heading{display:flex;align-items:end;justify-content:space-between;gap:32px}.catalog-heading>[data-result-count]{flex:0 0 auto;color:var(--muted);font-size:14px}.catalog-toolbar{display:flex;gap:10px;overflow-x:auto;margin:-8px 0 34px;padding:8px 2px 10px;scrollbar-width:thin}.catalog-toolbar button{flex:0 0 auto;min-height:42px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:14px}.catalog-toolbar button:hover,.catalog-toolbar button.is-active{border-color:var(--accent);background:#fff4ed;color:var(--accent-link)}
.vehicle-results .catalog-grid,[data-category-grid].catalog-grid{grid-template-columns:repeat(3,1fr);gap:28px}.product-card{display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;transition:border-color .28s ease,box-shadow .28s ease}.product-card:hover{border-color:#a9adaa;box-shadow:0 18px 42px rgba(28,32,31,.09)}.product-card .card-image{margin:0;border:0;border-radius:0;aspect-ratio:4/3}.product-card .card-image img{transition:transform .45s cubic-bezier(.22,1,.36,1),opacity .25s ease}.product-card:hover .card-image img{transform:scale(1.025);opacity:.96}.product-card-body{display:flex;min-height:310px;flex:1;flex-direction:column;padding:22px}.product-card-category{align-self:flex-start;color:var(--accent-link);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;text-decoration:none}.product-card-category:hover{text-decoration:underline}.product-card h3{margin-top:12px;font-size:23px;line-height:1.16}.product-card h3 a{color:var(--ink);text-decoration:none}.product-card h3 a:hover{color:var(--accent-link)}.product-card-use{margin:13px 0 0;color:var(--muted);font-size:15px}.product-card-specs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}.product-card-specs div{padding:7px 10px;border-radius:10px;background:var(--wash)}.product-card-specs dt{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.product-card-specs dd{margin:2px 0 0;font-size:13px;font-weight:700}.product-card-action{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:20px;color:var(--ink);font-size:14px;font-weight:700;text-decoration:none}.product-card-action span:last-child{color:var(--accent);font-size:18px;transition:transform .2s ease}.product-card-action:hover{color:var(--accent-link);text-decoration:none}.product-card-action:hover span:last-child{transform:translate(2px,-2px)}
.catalog-empty{margin-top:24px}.catalog-pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:40px}.catalog-pagination button,.catalog-pagination span{min-height:42px;padding:9px 15px;border:1px solid var(--line);border-radius:999px;background:#fff}.catalog-pagination button:hover:not(:disabled){border-color:var(--accent);color:var(--accent-link)}.catalog-pagination button:disabled{cursor:not-allowed;opacity:.45}
@media(max-width:980px){.vehicle-results .catalog-grid,[data-category-grid].catalog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.nav-cluster{width:100%;flex-wrap:wrap}.nav-cluster>.nav-root-link{flex:1}.nav-cluster .nav-group{width:auto}.nav-cluster .nav-group[open]{width:100%}.nav-cluster .nav-group[open] summary{margin-left:auto}.nav-cluster .mega-panel{width:100%}}
@media(max-width:760px){.catalog-heading{align-items:flex-start;flex-direction:column;gap:14px}.catalog-toolbar{margin-bottom:24px}.vehicle-results .catalog-grid,[data-category-grid].catalog-grid{grid-template-columns:1fr}.product-card-body{min-height:0}.catalog-pagination{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.product-card,.product-card .card-image img,.product-card-action span:last-child{transition:none}.product-card:hover .card-image img,.product-card-action:hover span:last-child{transform:none}}


/* Product detail: technical reference disclosure */
.product-specifications{padding-block:60px}
.product-specifications-details{border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden}
.product-specifications-details>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:100px;padding:25px 30px;list-style:none;cursor:pointer;transition:background-color .2s ease,color .2s ease}
.product-specifications-details>summary::-webkit-details-marker{display:none}
.product-specifications-details>summary:hover{background:var(--wash)}
.product-specifications-details>summary:focus-visible{outline:3px solid var(--accent);outline-offset:-5px;border-radius:18px}
.product-specifications-details[open]>summary{background:var(--wash);border-bottom:1px solid var(--line)}
.product-specifications-summary-title{font-size:clamp(24px,2.6vw,33px);font-weight:650;letter-spacing:-.035em;line-height:1.15}
.product-specifications-summary-action{display:inline-flex;align-items:center;gap:14px;flex:none;color:var(--accent-link);font-size:14px;font-weight:650}
.product-specifications-summary-action .when-open{display:none}
.product-specifications-details[open] .when-closed{display:none}
.product-specifications-details[open] .when-open{display:inline}
.product-specifications-arrow{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-size:23px;line-height:1;transition:transform .2s ease}
.product-specifications-details[open] .product-specifications-arrow{transform:rotate(180deg)}
.product-specifications-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 42px;padding:32px 30px 34px}
.product-specifications-group{min-width:0}
.product-specifications-group h3{font-size:20px;letter-spacing:-.025em;margin-bottom:12px}
.product-specifications-group dl{margin:0;border-top:1px solid var(--line)}
.product-specifications-row{display:grid;grid-template-columns:minmax(140px,40%) minmax(0,1fr);gap:18px;padding:11px 0;border-bottom:1px solid var(--steel);font-size:14px}
.product-specifications-row dt{color:var(--muted)}
.product-specifications-row dd{margin:0;font-weight:600;overflow-wrap:anywhere;word-break:normal;white-space:normal;min-width:0}
.product-specifications-note{grid-column:1/-1;max-width:none;margin:0;padding:16px 18px;border-left:3px solid var(--accent);background:var(--wash);color:var(--muted);font-size:14px}
@media(max-width:760px){.product-specifications{padding-block:42px}.product-specifications-details>summary{align-items:flex-start;flex-direction:column;gap:12px;min-height:0;padding:22px}.product-specifications-summary-action{width:100%;justify-content:space-between}.product-specifications-content{grid-template-columns:1fr;gap:24px;padding:24px 22px}.product-specifications-row{grid-template-columns:minmax(0,42%) minmax(0,1fr);gap:12px}}

/* Homepage vehicle cards: immediate photo previews while source images load. */
#vehicle-systems .product-card[data-home-vehicle-id] .card-image{position:relative;background:#fff}
#vehicle-systems .product-card[data-home-vehicle-id] .card-image::before{content:"";position:absolute;inset:-8px;background-image:var(--home-card-preview);background-size:cover;background-position:center;filter:blur(9px);transform:scale(1.03);pointer-events:none}
#vehicle-systems .product-card[data-home-vehicle-id] .card-image img{position:relative;z-index:1;display:block;opacity:1}
#vehicle-systems .product-card[data-home-vehicle-id="25"] .card-image{--home-card-preview:url("data:image/webp;base64,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")}
#vehicle-systems .product-card[data-home-vehicle-id="27"] .card-image{--home-card-preview:url("data:image/webp;base64,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")}
#vehicle-systems .product-card[data-home-vehicle-id="30"] .card-image{--home-card-preview:url("data:image/webp;base64,UklGRjABAABXRUJQVlA4ICQBAACQBwCdASowADAAPu1kqE6ppaOiKrquqTAdiWUAyamM+gOf/G9FYkRa5FfMfeJOabU0t7zde4l8Vo5IvwCxceudGJyaPYAA/vKFZ6pHhbjeo/qNmxE9TvxVKoHmtU89cFSb+/RB917ZAJFnbj+ygMtHEasGRKhZadkm2+3ou0AkiWcpoI0XQznCktrUAUd0TjgOv4CkmgmSzGz5WXx4phGuHKqoBQ9Ffqo7senhfVezm+ZlAqZba9OvFnkol1SfWXbj18lK1V/tctN72N3aYiswmCVzqDc5ZrF9fGLQC0Lg4yHlH5haK9VliASdTPDSn9IZtSaTSQBhmEimzoKkGKN9Jmgebdc09TvVieX0nw0HeoqPp9c+z7eQK0CkKmfv81LsIgAA")}
#vehicle-systems .product-card[data-home-vehicle-id="29"] .card-image{--home-card-preview:url("data:image/webp;base64,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")}