.bt-page{color:var(--ink)}
.bt-page [hidden]{display:none!important}
.bt-page [id]{scroll-margin-top:calc(var(--header-height) + 24px)}
.bt-page h1{font-size:clamp(36px,3.6vw,52px);line-height:1.12;letter-spacing:-.035em;font-weight:500;margin:16px 0 22px}
.bt-page h1 span{display:block;color:var(--ink)}
.bt-page h2{font-size:clamp(27px,2.5vw,34px);line-height:1.15;letter-spacing:-.025em;font-weight:500;margin:12px 0 22px}
.bt-page h3{font-size:17px;line-height:1.4;font-weight:600}
.bt-page p{line-height:1.7}
.bt-page .bt-eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--accent)}
.bt-page .bt-section{padding-block:60px}
.bt-page .bt-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center}
.bt-hero{background:var(--surface-alt);padding-top:40px}
.bt-lead{font-size:17px;max-width:550px;color:var(--muted)}
.bt-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.bt-page .btn{min-height:46px}
.bt-page .bt-secondary{background:var(--surface);border:1px solid var(--line-strong);color:var(--ink)}
.bt-hero-visual{border:1px solid var(--line);background:var(--surface);padding:18px 24px;min-width:0}
.bt-visual-label,.bt-visual-foot{font-size:10px;letter-spacing:.14em;color:var(--muted)}
.bt-page .image-placeholder{aspect-ratio:var(--placeholder-ratio);min-height:0;display:flex;flex-direction:column;justify-content:center;padding:24px;border:1px solid var(--line);border-radius:0;background:var(--surface-alt);color:var(--muted);font-size:12px;text-align:center}
.bt-hero-visual .image-placeholder{border:0;background:transparent;aspect-ratio:2 / 1;padding-inline:20px}
.bt-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-strong);margin-top:32px;padding-block:20px;gap:20px;font-size:12px}
.bt-page .bt-intro{display:grid;grid-template-columns:1fr 1.7fr;gap:48px;align-items:center;padding-block:36px}.bt-intro h2{font-size:26px;margin-bottom:0}.bt-intro p:last-child{color:var(--muted);font-size:14px;margin:0}
.bt-four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.bt-types h2{font-size:13px;font-weight:600;letter-spacing:0;margin:0 0 14px;color:var(--muted)}
.bt-types button{display:flex;align-items:center;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--line);text-align:left;color:var(--ink);cursor:pointer;transition:border-color 160ms ease,background 160ms ease}
.bt-types button:hover{border-color:var(--accent);background:var(--surface-alt)}
.bt-types button strong{font-size:15px;display:block;font-weight:600}.bt-types .bt-type-copy{flex:1;min-width:0}.bt-types .bt-type-copy>span{display:block;margin-top:5px;font-size:11px;color:var(--muted);line-height:1.5}
.bt-types button>span{font-size:12px;color:var(--muted)}
.bt-types button>.bt-type-arrow{color:var(--accent);font-size:18px}.bt-types button>.bt-type-number{color:var(--muted);font-size:11px}
.bt-type-number{font-size:12px;color:var(--accent)}
.bt-heading{display:flex;justify-content:space-between;align-items:center;gap:24px}
.bt-heading>p{font-size:14px;color:var(--muted)}
.bt-filters{background:var(--surface-alt);padding:22px;border:1px solid var(--line)}
.bt-filter-label{font-weight:600;font-size:13px;margin-top:0}
.bt-brands{display:flex;gap:8px;flex-wrap:wrap}
.bt-brands button{min-height:44px;padding:8px 16px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.bt-brands button[aria-pressed=true]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.bt-filter-row{display:grid;grid-template-columns:1fr 1.2fr 1.7fr auto;gap:16px;align-items:end;margin-top:24px}
.bt-page label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600;min-width:0}
.bt-page input,.bt-page select,.bt-page textarea{min-width:0;width:100%;min-height:44px;border:1px solid var(--line-strong);padding:10px 12px;background:var(--surface);color:var(--ink);font:inherit;border-radius:0}
.bt-page button{font-family:inherit}
.bt-page #bt-reset{background:transparent;border:0;text-decoration:underline;min-height:44px;cursor:pointer;color:var(--ink)}
.bt-results{font-size:12px;color:var(--muted);margin:20px 0 14px}
.bt-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.bt-card{min-width:0;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;transition:border-color 160ms ease}.bt-card:hover,.bt-card:focus-within{border-color:var(--accent)}
.bt-product-image{aspect-ratio:1;position:relative;background:var(--surface-alt);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:var(--muted);font-size:11px}
.bt-product-id{position:absolute;top:12px;left:12px;font-size:9px;letter-spacing:.08em}
.bt-placeholder-icon{width:40px;height:40px;stroke:currentColor;stroke-width:1.25;color:var(--line-strong)}
.bt-card-body{padding:14px;display:flex;flex-direction:column;flex:1;min-height:94px}
.bt-card-body p{font-size:10px;color:var(--muted);margin:0 0 6px}
.bt-card-body h3{font-size:13px;line-height:1.5;margin:0;overflow-wrap:anywhere}
.bt-quote{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:8px;font-size:11px;min-height:44px;background:var(--accent);color:var(--surface);transition:opacity 160ms ease,transform 160ms ease}.bt-quote:hover{background:var(--accent-dark);color:var(--surface)}
.bt-load{text-align:center;margin:32px 0}
.bt-note{font-size:12px;color:var(--muted);margin-top:20px}
.bt-dark{background:var(--ink);color:var(--surface);padding-block:64px}
.bt-dark h2,.bt-dark .bt-eyebrow{color:var(--surface)}
.bt-dark .btn{margin-top:20px}
.bt-checklist{list-style:none;padding:0;margin:0}
.bt-checklist li{border-bottom:1px solid #ffffff30;padding:15px 0}
.bt-checklist span{margin-right:16px}
.bt-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0}
.bt-two>div{border-top:1px solid var(--line);padding-top:16px}
.bt-two h3{font-size:15px}
.bt-tinted{background:var(--surface-alt)}
.bt-process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin-top:36px}
.bt-process>div{border-top:1px solid var(--line-strong);padding-top:18px}
.bt-process span{font-size:12px;color:var(--accent)}
.bt-apps{margin-top:30px}
.bt-apps h3{margin:14px 0 0}
.bt-benefits{border-top:1px solid var(--line)}
.bt-benefits .bt-four>div{border-left:2px solid var(--accent);padding-left:20px}
.bt-benefits p{font-size:14px;color:var(--muted)}
.bt-order{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px;list-style:none;counter-reset:step;padding:0;margin-top:36px}
.bt-order li{font-size:14px;border-top:1px solid var(--line-strong);padding-top:18px;counter-increment:step}
.bt-order li:before{content:'0' counter(step);display:block;margin-bottom:20px;color:var(--accent);font-size:12px}
.bt-faq{align-items:start!important}
.bt-faq details{border-bottom:1px solid var(--line-strong);padding:20px 0}
.bt-faq details:first-child{border-top:1px solid var(--line-strong)}
.bt-faq summary{cursor:pointer;font-size:15px;font-weight:600;line-height:1.5}
.bt-faq details p{color:var(--muted);font-size:14px}
.bt-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:28px;background:var(--surface);border:1px solid var(--line)}.bt-form .btn-blue{color:var(--surface);justify-self:start}.bt-form #bt-form-status:empty{display:none}
.bt-wide{grid-column:1/-1}
.bt-form label span{font-size:11px;font-weight:400;color:var(--muted)}
.bt-page :is(a,button,input,select,textarea,summary):focus-visible{outline:3px solid var(--accent);outline-offset:3px}
#bt-empty{text-align:center;padding:48px 20px;background:var(--surface-alt)}

@media(hover:hover) and (pointer:fine){.bt-quote{opacity:0;transform:translateY(4px)}
.bt-card:hover .bt-quote,.bt-card:focus-within .bt-quote{opacity:1;transform:none}
}

@media(min-width:769px) and (max-width:1100px){.bt-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.bt-page .bt-split{gap:32px}
.bt-filter-row{grid-template-columns:1fr 1fr}
.bt-four{gap:12px}
.bt-types button{padding:14px;gap:10px}
}

@media(max-width:768px){.bt-page .bt-split{grid-template-columns:1fr;gap:32px}
.bt-hero{padding-top:40px}
.bt-page .bt-section{padding-block:40px}
.bt-strip{grid-template-columns:1fr 1fr;margin-top:32px}
.bt-four{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.bt-types button{padding:14px;gap:10px}
.bt-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.bt-filter-row{grid-template-columns:1fr 1fr;gap:12px}
.bt-search{grid-column:1/-1}
.bt-filters{padding:16px}
.bt-brands button{padding:8px 12px}
.bt-heading{display:block}
.bt-card-body{padding:10px 8px;min-height:94px}
.bt-card-body h3{font-size:11px}
.bt-card-body p{font-size:9px}
.bt-quote{font-size:10px}
.bt-quote span{display:none}
.bt-product-id{top:8px;left:8px;font-size:8px}
.bt-placeholder-icon{width:28px;height:28px}
.bt-product-image{font-size:9px}
.bt-process{grid-template-columns:repeat(2,minmax(0,1fr))}
.bt-order{grid-template-columns:repeat(3,minmax(0,1fr))}
.bt-apps .image-placeholder{padding:14px;font-size:11px}
.bt-page .bt-hero-visual{padding:16px}.bt-hero-visual .image-placeholder{aspect-ratio:2 / 1;padding:16px}
.bt-form{gap:16px;padding:20px}
.bt-dark{padding-block:48px}
}

@media(prefers-reduced-motion:reduce){.bt-page *{scroll-behavior:auto!important;transition:none!important}
}


.bt-page .page-shell{width:min(1320px,calc(100% - 64px));margin-inline:auto}

@media(max-width:768px){.bt-page .page-shell{width:calc(100% - 32px)}
}
@media(min-width:601px) and (max-width:768px){.bt-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}



@media(max-width:768px){.bt-page .bt-quote{opacity:1;transform:none;min-height:44px;font-size:10px}.bt-product-image{padding-bottom:44px;aspect-ratio:1 / 1.25}
}

.bt-page .bt-hero .bt-split{grid-template-columns:1.05fr 1fr}
.bt-page #products{padding-top:40px}
.bt-heading>p strong{font-size:22px;color:var(--ink);font-weight:500;margin-right:6px}
.bt-large-placeholder .image-placeholder{aspect-ratio:16 / 11}
.bt-page #inquiry>.bt-split{align-items:start}
.bt-page #inquiry h2{margin-top:12px}
.bt-faq summary{display:flex;justify-content:space-between;gap:20px;list-style:none}
.bt-faq summary::-webkit-details-marker{display:none}
.bt-faq summary::after{content:'+';color:var(--muted);font-size:20px;font-weight:400;line-height:1}
.bt-faq details[open] summary::after{content:'−'}
@media(max-width:1100px){.bt-types .bt-type-number{display:none}.bt-types .bt-four{gap:12px}}
@media(max-width:768px){
  .bt-page .bt-hero .bt-split{grid-template-columns:1fr;gap:24px}
  .bt-page .bt-intro{grid-template-columns:1fr;gap:16px;padding-block:28px}
  .bt-page h1{font-size:38px;max-width:520px}
  .bt-page .bt-lead{font-size:15px}
  .bt-strip{font-size:11px;gap:14px;margin-top:24px}
  .bt-types button strong{font-size:13px}
  .bt-types .bt-type-copy>span{font-size:10px}
  .bt-page .bt-form{grid-template-columns:1fr}
  .bt-page .bt-form>label,.bt-page .bt-form>.btn{grid-column:1 / -1}
}

/* RFQ preview follows the shared B2B inquiry pattern; submission remains disabled. */
.bt-anchor{display:block;position:relative;top:-24px;visibility:hidden}
.bt-rfq-layout{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(560px,1.2fr);gap:clamp(56px,7vw,96px);align-items:start}
.bt-rfq-intro{padding-top:10px}
.bt-rfq-intro h2{font-size:clamp(36px,3vw,46px);margin:16px 0 20px}
.bt-rfq-lead{max-width:430px;color:#444;font-size:16px;line-height:1.7}
.bt-rfq-checklist{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:9px}
.bt-rfq-checklist li{display:flex;align-items:center;gap:10px;font-size:14px}
.bt-rfq-checklist li span{color:var(--accent);font-size:15px;font-weight:700}
.bt-rfq-contact{margin-top:44px;padding-top:20px;border-top:1px solid var(--line)}
.bt-rfq-contact p{margin:0 0 8px;font-size:12px;font-weight:600}
.bt-rfq-contact-list{display:grid;gap:14px}
.bt-rfq-contact-list a{display:grid;gap:3px;font-size:15px;color:var(--ink)}
.bt-rfq-contact-list a small{font-size:12px;font-weight:600;color:var(--muted)}
.bt-rfq-contact-list a strong{font-size:15px;font-weight:500}
.bt-rfq-contact a:hover{color:var(--accent)}
.bt-rfq-intro>.bt-note{max-width:430px;margin-top:28px;font-size:11px;line-height:1.6}
.bt-form{background:var(--surface);border:1px solid #e5e5e5;border-radius:2px;padding:36px 40px 40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px;align-items:start}
.bt-form-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:2px}
.bt-form-head span{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent)}
.bt-form-head p{font-size:11px;color:var(--muted);margin:0}
.bt-form label,.bt-upload-field>label:first-child{display:grid;gap:8px;font-size:13px;font-weight:600;color:var(--ink)}
.bt-form input,.bt-form textarea{height:48px;border:1px solid #d6d6d6;padding:0 14px;font-size:15px;background:#fff;color:var(--ink);border-radius:0;box-sizing:border-box}
.bt-form textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.5}
.bt-form input::placeholder,.bt-form textarea::placeholder{color:#8a8f98;font-size:13px}
.bt-form :is(input,textarea):focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(62,106,225,.14);outline:0}
.bt-upload-field{display:grid;gap:8px}
.bt-file-input{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;padding:0!important;border:0!important}
.bt-upload-box{min-height:84px;padding:16px 18px;border:1px dashed #c8cdd5;background:#fafafa;display:flex!important;align-items:center;gap:12px;cursor:pointer;transition:border-color 160ms ease,background 160ms ease}
.bt-upload-box:hover,.bt-upload-box:focus-within{border-color:var(--accent);background:#f7f9ff}
.bt-upload-plus{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font-size:20px;font-weight:400;line-height:1}
.bt-upload-box strong,.bt-upload-box small{display:block}.bt-upload-box strong{font-size:13px}.bt-upload-box small{margin-top:5px;font-size:11px;font-weight:400;color:var(--muted)}
.bt-file-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}.bt-file-list:empty{display:none}
.bt-file-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 10px;background:var(--surface-alt);font-size:12px;color:var(--ink)}
.bt-file-list li span:last-child{color:var(--muted);white-space:nowrap}
.bt-rfq-submit{min-width:190px;min-height:50px;padding-inline:26px;justify-self:start;margin-top:2px}
.bt-rfq-privacy{font-size:11px!important;line-height:1.5!important;color:var(--muted);margin:2px 0 0!important}.bt-rfq-privacy a{color:inherit;text-decoration:underline}
.bt-form #bt-form-status{font-size:12px;color:var(--accent);margin:0}.bt-form #bt-form-status:empty{display:none}
.bt-back-to-browse{position:fixed;left:0;top:50%;z-index:20;display:grid;place-items:center;width:42px;min-height:142px;padding:14px 9px;border:0;border-radius:0 8px 8px 0;background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(23,26,32,.16);font:700 10px/1.15 var(--font-text,Arial,sans-serif);letter-spacing:.1em;writing-mode:vertical-rl;transform:translateY(-50%);cursor:pointer;transition:background 160ms ease,box-shadow 160ms ease}
.bt-back-to-browse:hover{background:var(--accent-dark);box-shadow:0 10px 26px rgba(23,26,32,.22)}
.bt-back-to-browse:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media (min-width:769px) and (max-width:1100px){.bt-rfq-layout{grid-template-columns:minmax(240px,.6fr) minmax(0,1fr);gap:36px}.bt-form{padding:28px}.bt-form input,.bt-form textarea{font-size:14px}}
@media (max-width:768px){
  .bt-rfq-layout{display:grid;grid-template-columns:1fr;gap:32px}
  .bt-rfq-intro{padding-top:0}.bt-rfq-intro h2{font-size:34px}.bt-rfq-checklist{margin-top:24px}.bt-rfq-contact{margin-top:28px}
  .bt-form{grid-template-columns:1fr;padding:24px 20px 26px;gap:16px}.bt-form-head{display:block}.bt-form-head p{margin-top:6px}.bt-form .bt-wide,.bt-form label,.bt-form .bt-upload-field,.bt-form .bt-rfq-submit{grid-column:1/-1}
  .bt-rfq-submit{width:100%}.bt-rfq-privacy{text-align:left}
  .bt-back-to-browse{width:36px;min-height:126px;padding:12px 7px;border-radius:0 7px 7px 0;font-size:9px}
}

/* Collection imagery and shared line icons. */
.bt-icon{width:28px;height:28px;flex:none;color:var(--accent)}
.bt-hero-visual picture{display:block;margin-block:16px}
.bt-hero-visual picture img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.bt-strip{padding-block:34px;min-height:100px;align-items:center}
.bt-strip>span{display:flex;align-items:center;gap:12px;font-weight:600}
.bt-strip .bt-icon{width:25px;height:25px}
.bt-types button{min-height:104px;transition:transform 180ms ease,border-color 180ms ease,box-shadow 180ms ease}
.bt-types button>.bt-icon{width:38px;height:38px;transition:transform 180ms ease}
.bt-types button:hover,.bt-types button:focus-visible{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 20px #1720300c}
.bt-types button:hover>.bt-icon{transform:rotate(-7deg)}
.bt-types .bt-type-arrow{transition:transform 180ms ease}
.bt-types button:hover .bt-type-arrow{transform:translateX(3px)}
.bt-brands{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:10px}
.bt-brands button{min-height:82px;padding:12px;display:flex;align-items:center;justify-content:center;border-radius:3px;font-weight:600;transition:border-color 160ms ease,box-shadow 160ms ease}
.bt-brands button img{width:100%;height:44px;object-fit:contain;filter:grayscale(1);opacity:.6;transition:filter 160ms ease,opacity 160ms ease}
.bt-brands button:hover{border-color:var(--accent)}
.bt-brands button[aria-pressed=true]{background:#fff;color:var(--accent);border-color:var(--accent);box-shadow:inset 0 -3px var(--accent)}
.bt-brands button[aria-pressed=true] img{filter:none;opacity:1}
.bt-page .bt-product-image{display:block;aspect-ratio:auto;padding:0;background:#fff}
.bt-image-open{display:block;position:relative;width:100%;aspect-ratio:1;padding:0;border:0;background:var(--surface-alt);cursor:zoom-in;color:var(--muted);overflow:hidden}
.bt-image-open>img{display:block;width:100%;height:100%;object-fit:contain}
.bt-image-placeholder{display:flex;width:100%;height:100%;align-items:center;justify-content:center;flex-direction:column;gap:12px;font-size:11px}
.bt-image-placeholder>.bt-icon{width:44px;height:44px;color:#acb4c1}
.bt-product-id{z-index:1;background:#ffffffd9;padding:3px 5px;color:#526077}
.bt-magnifier{position:absolute;right:9px;bottom:9px;display:grid;place-items:center;width:30px;height:30px;background:#fff;border:1px solid var(--line);border-radius:50%}
.bt-magnifier .bt-icon{width:16px;height:16px}
.bt-page .bt-quote{position:static;opacity:1;transform:none;min-height:40px;background:#f1f4fa;color:var(--accent);border-top:1px solid var(--line)}
.bt-page .bt-quote:hover{background:var(--accent);color:#fff}
.bt-two>div{display:grid;grid-template-columns:32px 1fr;align-items:center;gap:12px;padding-block:18px;border-bottom:1px solid var(--line);border-top:0}
.bt-two h3{margin:0}
.bt-oem-cta{margin-top:4px;padding-inline:24px;box-shadow:0 5px 15px #3e6ae11a}
.bt-process{gap:16px}
.bt-process>div{border:1px solid var(--line);padding:0 0 20px;background:#fff;overflow:hidden}
.bt-process-visual{height:142px;display:flex;align-items:center;justify-content:center;position:relative;background:linear-gradient(135deg,#f7f9fc,#e9eef7);border-bottom:1px solid var(--line)}
.bt-process-visual>.bt-icon{width:54px;height:54px;stroke-width:1}
.bt-process-visual>span{position:absolute;left:16px;top:12px;font-size:12px;font-weight:600;letter-spacing:.08em}
.bt-process h3{font-size:16px;margin:20px 18px 6px}
.bt-process p{font-size:12px;color:var(--muted);margin:0 18px}
.bt-benefits{display:grid;grid-template-columns:.8fr 1.6fr;gap:64px;align-items:start}
.bt-benefits-intro{position:relative;padding-top:20px}
.bt-benefits-intro::before{content:'';position:absolute;top:0;left:0;width:48px;height:3px;background:var(--accent)}
.bt-benefits-intro>p:last-child{max-width:280px}
.bt-benefits .bt-four{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
.bt-benefits .bt-four>div{border:0;padding:26px 30px;background:var(--surface-alt)}
.bt-benefits .bt-four>div:nth-child(2),.bt-benefits .bt-four>div:nth-child(3){background:#fff}
.bt-benefits h3{margin:18px 0 8px}
.bt-benefits .bt-four p{margin:0}
.bt-order{gap:0;margin-top:42px}
.bt-order li{border:0;position:relative;padding:0 22px 0 0;display:flex;flex-direction:column;align-items:flex-start;gap:15px}
.bt-order li:before{position:absolute;right:30px;top:17px;margin:0;font-size:11px;font-weight:700;z-index:1;background:var(--surface-alt);padding:3px 6px}
.bt-order li:not(:last-child):after{content:'';position:absolute;left:58px;right:8px;top:30px;height:1px;background:#b9c8e5}
.bt-step-node{position:relative;z-index:1;display:grid;place-items:center;width:60px;height:60px;background:#fff;border:1px solid #b9c8e5;border-radius:50%}
.bt-order li:first-child .bt-step-node{background:var(--accent);border-color:var(--accent)}
.bt-order li:first-child .bt-icon{color:#fff}
.bt-order strong{font-size:13px;line-height:1.5;font-weight:600;max-width:150px}
.bt-faq-list{block-size:560px;overflow:auto;scrollbar-gutter:stable;overflow-anchor:none;padding-inline:4px}
.bt-faq details p{margin-bottom:0}
.bt-contact-card{display:grid;grid-template-columns:32px minmax(0,1fr) 44px;align-items:center;gap:12px;background:#fff;border:1px solid #dbe2ef;padding:16px;border-left:3px solid var(--accent)}
.bt-contact-card a{min-width:0;overflow-wrap:anywhere}
.bt-rfq-contact-list .bt-contact-card strong{font-size:17px;font-weight:600;color:var(--ink)}
.bt-contact-card button{display:grid;place-items:center;width:44px;height:44px;padding:10px;background:#f2f5fb;border:1px solid transparent;border-radius:4px;cursor:pointer}
.bt-contact-card button:hover{border-color:var(--accent)}
.bt-contact-card button .bt-icon{width:20px;height:20px}
#bt-copy-status{min-height:20px;font-size:12px;color:var(--accent)}
html:has(.bt-page){scrollbar-gutter:stable}
.bt-image-dialog{width:min(504px,calc(100vw - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);box-shadow:0 24px 80px #0003}
.bt-image-dialog[open]{animation:bt-dialog-in 260ms cubic-bezier(.2,.8,.2,1)}
.bt-image-dialog[open]::backdrop{animation:bt-backdrop-in 260ms ease}
.bt-back-to-browse:not([hidden]){animation:bt-return-in 340ms cubic-bezier(.2,.8,.2,1)}
@keyframes bt-dialog-in{from{opacity:0;transform:translateY(12px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes bt-backdrop-in{from{opacity:0}to{opacity:1}}
@keyframes bt-return-in{from{opacity:0;transform:translate(-100%,-50%)}to{opacity:1;transform:translate(0,-50%)}}
.bt-image-dialog::backdrop{background:#111827b8}
.bt-image-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.bt-page .bt-image-toolbar h2{font-size:18px;line-height:1.4;flex:1;margin:0;min-width:0}
.bt-image-toolbar button{min-height:44px;min-width:44px;padding:10px;border:1px solid var(--line);background:#f4f6fa;color:var(--ink);border-radius:4px;cursor:pointer;flex:none}
.bt-image-toolbar button:disabled{opacity:.4;cursor:default}
.bt-zoom-stage{width:min(100%,calc(100dvh - 200px));aspect-ratio:1;position:relative;margin:auto;background:var(--surface-alt);overflow:hidden;touch-action:pan-y}
.bt-zoom-stage>img{width:100%;height:100%;object-fit:contain;display:block;cursor:zoom-in;transform-origin:50% 50%}
.bt-zoom-stage.is-zoomed{touch-action:none}
.bt-zoom-stage>img{transition:transform 180ms ease}
.bt-zoom-stage.is-zoomed>img{transform:scale(2.5);cursor:crosshair}
#bt-large-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted)}
#bt-large-placeholder .bt-icon{width:80px;height:80px;color:#a7b3c7}
.bt-zoom-help{text-align:center;color:var(--muted);font-size:12px;margin:12px 0 0}
@media(max-width:1100px){
  .bt-brands{grid-template-columns:repeat(5,minmax(0,1fr))}
  .bt-types button{flex-wrap:wrap}.bt-types button>.bt-icon{width:30px;height:30px}.bt-types .bt-type-copy{flex-basis:70%}.bt-types .bt-type-arrow{display:none}
  .bt-benefits{gap:32px}.bt-benefits .bt-four>div{padding:22px}
  .bt-process{grid-template-columns:repeat(3,minmax(0,1fr))}
  .bt-order li{padding-right:16px}.bt-order li:before{right:16px}
}
@media(max-width:768px){
  .bt-hero-visual picture img{aspect-ratio:1}
  .bt-strip>span{gap:9px;align-items:flex-start;font-size:11px;line-height:1.5}.bt-strip .bt-icon{width:22px;height:22px}
  .bt-brands{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.bt-brands button{min-height:72px;padding:10px}.bt-brands button img{height:38px}
  .bt-page .bt-product-image{aspect-ratio:auto;padding:0}.bt-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .bt-card-body h3{font-size:13px}.bt-card-body p{font-size:11px}
  .bt-page .bt-quote{min-height:44px;font-size:11px}
  .bt-benefits{grid-template-columns:1fr;gap:24px}.bt-benefits .bt-four>div{padding:20px 16px}
  .bt-process{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bt-process-visual{height:112px}.bt-process h3{font-size:15px;margin-inline:14px}.bt-process p{margin-inline:14px}
  .bt-order{grid-template-columns:1fr;gap:0;margin-top:30px}.bt-order li{min-height:92px;display:grid;grid-template-columns:60px 1fr;gap:20px;align-items:start;padding:0 0 28px}
  .bt-order li:before{left:78px;right:auto;top:2px;background:none;padding:0}.bt-order strong{max-width:none;padding-top:24px;font-size:14px}
  .bt-order li:not(:last-child):after{top:60px;bottom:0;left:30px;width:1px;height:auto;right:auto}
  .bt-faq-list{block-size:640px}.bt-faq summary{font-size:14px}.bt-faq details p{font-size:13px}
  .bt-rfq-contact-list .bt-contact-card strong{font-size:15px}.bt-contact-card{padding:12px;gap:10px;grid-template-columns:28px minmax(0,1fr) 44px}
  .bt-image-dialog{padding:14px}.bt-image-toolbar{flex-wrap:wrap;gap:8px}.bt-page .bt-image-toolbar h2{font-size:15px;flex-basis:100%;padding-right:40px}.bt-image-toolbar #bt-image-close{position:absolute;right:12px;top:12px}.bt-zoom-stage{width:min(100%,calc(100dvh - 240px))}
}
@media(min-width:769px){
  .bt-order{grid-template-columns:repeat(6,minmax(0,1fr));padding-top:26px}
  .bt-order li{padding:0 12px;align-items:center;text-align:center}
  .bt-order li:before{top:-26px;left:0;right:0;background:none;padding:0}
  .bt-order li:not(:last-child):after{left:calc(50% + 30px);right:calc(-50% + 30px);top:30px}
  .bt-order strong{max-width:160px}
}
@media(prefers-reduced-motion:reduce){.bt-types button:hover,.bt-types button:hover>.bt-icon,.bt-types button:hover .bt-type-arrow{transform:none}.bt-image-dialog[open],.bt-image-dialog[open]::backdrop,.bt-back-to-browse:not([hidden]){animation:none}.bt-zoom-stage>img{transition:none}}

.bt-reference-photo{position:relative;background:#fff}.bt-reference-photo img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain}.bt-reference-photo>span{display:block;padding:14px;font-size:11px;color:var(--muted)}
.bt-context-image{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}.bt-apps p{font-size:13px;color:var(--muted);line-height:1.6}.bt-brands{grid-template-columns:repeat(auto-fit,minmax(110px,1fr))}
@media(max-width:768px){.bt-types .bt-four{grid-template-columns:repeat(2,minmax(0,1fr))!important}.bt-brands{grid-template-columns:repeat(3,minmax(0,1fr))}}