/* Youchuang: precision framing, clear sourcing. Shared visual layer for every page. */
@font-face{font-family:Manrope;src:url('/fonts/manrope-variable.ttf') format('truetype');font-style:normal;font-weight:200 800;font-display:swap}
:root{--paper:#fff;--white:#fff;--ink:#182a44;--muted:#52627a;--line:#dce3ef;--olive:#2457e6;--olive-dark:#183ca3;--sand:#edf2fa;--serif:Manrope,'Segoe UI',sans-serif;--sans:Manrope,'Segoe UI',sans-serif;--max:1280px;--night:#152840;--surface:#f2f5fa}
body{font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}h1,h2{font-weight:650;letter-spacing:-.055em;line-height:1.12}h3{font-weight:650;letter-spacing:-.025em}p{max-width:80ch}::selection{background:#d6e2ff;color:var(--ink)}:focus-visible{outline:3px solid var(--olive);outline-offset:4px}
.section{padding:96px 0}.eyebrow{font-size:11px;letter-spacing:.09em;font-weight:700;color:var(--muted)}.topbar{background:var(--night);color:#dce7fa;font-size:10px;letter-spacing:.09em;padding:7px 20px}.site-header{background:#fffffff5;border-color:#e8edf5;backdrop-filter:blur(14px)}.header-inner{height:84px}.brand-symbol{border-color:var(--olive);border-radius:4px 0 4px 0}.brand-symbol:after{border-color:var(--olive);inset:5px}.wordmark{font-size:19px;font-weight:800;letter-spacing:.075em}.brand small{color:var(--muted);letter-spacing:.15em}.main-nav{font-size:13px;font-weight:600;gap:30px}.main-nav a{position:relative}.main-nav a[aria-current=page]{border:0;color:var(--olive)}.main-nav a[aria-current=page]:after{content:'';height:3px;border-radius:3px;background:var(--olive);position:absolute;bottom:0;left:0;right:0}.main-nav a:hover{color:var(--olive)}.header-actions{gap:19px}.count{background:var(--surface);border:0;font-weight:700}.shortlist-link{font-weight:600}
.button{border-radius:7px;padding:15px 22px;gap:22px;font-size:13px;font-weight:650;min-height:50px;box-shadow:none;transition:background .16s,border-color .16s}.button:hover{transform:none}.button.secondary{background:white;border-color:#becbe0}.button.secondary:hover{background:var(--surface)}.button.light{color:var(--night);background:white}.text-link{font-weight:600;border-bottom-color:#bbc9df;gap:16px}.text-link:hover{border-color:var(--olive)}.menu-button{border-radius:6px;font-weight:650}.image-caption{text-transform:none;letter-spacing:0;font-size:11px;line-height:1.7}.photo-original-link{color:var(--olive);font-weight:600}.hero{grid-template-columns:1.03fr 1fr;gap:66px;padding:64px 0 60px;min-height:680px}.hero-copy{padding:0}.hero h1{font-size:clamp(42px,4.25vw,62px);line-height:1.12;letter-spacing:-.06em;margin-bottom:28px}.hero h1 em{font-style:normal;font-weight:650;color:inherit}.hero-copy p:not(.eyebrow){font-size:15px;max-width:470px;line-height:1.8}.hero .eyebrow{color:var(--olive);margin-bottom:23px}.hero .button-row{gap:22px;margin-top:30px}.hero-visual{display:grid;grid-template-columns:1fr auto;gap:0 16px;padding:0}.hero-photo{grid-column:1/-1;height:420px;object-position:center;border:9px solid white;outline:1px solid var(--line);border-radius:20px;box-shadow:0 16px 48px #1937660c}.hero-visual .image-caption{grid-column:1/-1;margin:17px 0 0;max-width:none}.hero-card{position:static;width:auto;margin-top:23px;padding:0;gap:13px;box-shadow:none;border:0;background:none;align-items:center}.hero-card strong{font-size:36px;font-weight:650;color:var(--ink);letter-spacing:-.05em}.hero-card span{font-size:10px;letter-spacing:.03em;color:var(--muted);text-transform:none}.hero-index{position:static;align-self:end;font-size:9px;text-align:right;letter-spacing:.05em;margin:0 0 2px;color:var(--muted)}.intro-strip{background:var(--surface);border:0}.intro-strip .wrap{gap:20px}.intro-strip span{border:0;padding:22px 0;font-size:10px;font-weight:650;letter-spacing:.05em;text-align:left}.intro-strip span:before{content:'';display:inline-block;width:5px;height:5px;background:var(--olive);border-radius:50%;margin-right:12px;vertical-align:middle}
.section-heading{margin-bottom:42px}.section-heading h2{font-size:clamp(32px,3.35vw,46px)}.section-heading p{font-size:14px;line-height:1.8}.collection-layout{gap:48px;grid-template-columns:1.05fr 1fr}.collection-lead{background:var(--surface);border:1px solid #e6ecf5;border-radius:14px;padding:32px;min-height:520px}.collection-lead figure{gap:16px}.collection-reference{background:white;border:1px solid #e1e7f0;border-radius:4px;padding:12px;max-width:100%}.reference-code{color:var(--muted)}.collection-lead h3{font-size:31px;font-weight:650;letter-spacing:-.045em}.collection-lead .eyebrow{color:var(--olive)}.collection-row{grid-template-columns:1fr 96px;gap:20px;padding:19px 5px;min-height:125px}.collection-row .number{display:none}.collection-row h3{font-size:23px;font-weight:650}.collection-row p{font-size:13px}.collection-row img{border-radius:5px}.collection-row:hover{background:#f7f9fd}.collection-row:hover h3{color:var(--olive)}.tinted{background:var(--surface)}
.product-grid{gap:38px 24px}.product-card .product-image{background:#f4f6fa;border:1px solid #e4eaf3;border-radius:10px;aspect-ratio:1.2}.tinted .product-card .product-image{background:#fff}.product-card:hover .product-image{background:#eaf0fc;border-color:#bbccf5}.product-card .cat-label{color:var(--muted);letter-spacing:.04em;font-size:10px;margin-top:19px}.product-card h3{font-size:17px;line-height:1.45;font-weight:700}.product-card .sku-note{font-size:12px}.card-bottom{gap:10px;align-items:center}.small-add{border:1px solid #c9d5eb;background:white;color:var(--olive);border-radius:5px;padding:8px 10px;font-weight:600;min-height:38px}.small-add:hover{background:var(--olive);color:white}.factory-teaser{gap:72px}.factory-teaser img{border-radius:12px;aspect-ratio:1.25}.factory-teaser h2{font-size:clamp(34px,3.4vw,48px)}.process-inline{gap:12px}.process-inline span{background:var(--surface);border:0;border-radius:5px;padding:9px 11px;color:var(--muted);font-size:11px}.dark{background:var(--night);color:white}.dark .eyebrow{color:#a9c3f8}.custom-banner{padding:76px 0}.custom-banner h2{font-size:clamp(36px,4vw,54px);font-weight:600}.custom-banner p{color:#c4d1e5;font-size:15px}.editorial-grid{gap:26px}.editorial-card{border-top:3px solid #dce5f5;padding-top:24px}.editorial-card .index{color:var(--olive);font-weight:650;font-size:10px;letter-spacing:.035em;margin-bottom:23px}.editorial-card h3{font-size:24px;line-height:1.3;font-weight:650}.editorial-card p{font-size:14px}.editorial-card .text-link{font-size:12px}
.site-footer{background:#f5f7fb;border-top:1px solid #e2e8f2;padding-top:62px}.footer-grid{gap:50px}.footer-grid h3{font-size:12px;font-weight:750;letter-spacing:.05em;color:var(--ink)}.footer-grid p,.footer-grid a{font-size:13px}.footer-grid>div:first-child p{max-width:320px}.footer-bottom{font-size:11px;border-top-color:#dae2ef}.site-footer .brand{font-size:inherit}
.breadcrumb{padding-top:30px;font-size:12px;color:#5b6b83}.breadcrumb a:hover{color:var(--olive)}.page-intro{padding:48px 0 36px}.page-intro h1{font-size:clamp(38px,4.3vw,60px);max-width:1000px}.page-intro .intro{font-size:16px;max-width:750px;line-height:1.8}.catalog-controls{border:0;background:var(--surface);border-radius:10px;padding:22px;align-items:center}.filter-links{gap:8px}.filter-links a{font-size:12px;font-weight:600;padding:9px 12px;border-radius:6px;border:1px solid transparent}.filter-links a[aria-current=page]{background:white;border-color:#ccd8ef;color:var(--olive);box-shadow:0 2px 5px #18335b05}.filter-links a:hover{color:var(--olive);background:white}.search-box input{border:1px solid #c8d3e5;border-radius:6px;background:white;padding:11px 12px;min-height:44px}.search-box label{font-weight:600}.catalog-count{font-size:12px;color:var(--muted)}.category-guide{padding-top:55px;padding-bottom:65px}.category-guide h2{font-size:35px}.category-guide p{font-size:14px}
.detail-top{gap:70px;padding-top:44px;align-items:start}.detail-visual{background:var(--surface);border:1px solid #e3eaf5;border-radius:12px;padding:52px 35px}.detail-copy h1{font-size:clamp(35px,3.6vw,51px);line-height:1.15}.detail-copy .description{font-size:15px;line-height:1.8}.variant-thumbs{gap:10px}.variant-thumbs button{background:white;border:1px solid #cad5e7;border-radius:5px}.variant-thumbs button[aria-pressed=true]{border:2px solid var(--olive)}.detail-copy select{border:1px solid #bccbe0;border-radius:6px;background:white;min-height:48px}.details-body h2{font-size:32px}.table-wrap{border:1px solid #dce3ef;border-radius:8px}th{background:var(--surface);color:var(--ink)}th,td{padding:16px 18px;font-size:13px}tbody tr:hover{background:#f7f9fd}.source-note{font-size:12px;line-height:1.8}.sourcing-brief,.buying-answers{padding-top:58px;padding-bottom:58px}.sourcing-brief h2,.buying-answers h2,.sourcing-comparison h2{font-size:clamp(29px,3vw,40px);line-height:1.18}.sourcing-brief li{font-size:14px}.faq-list details{padding:21px 0;border-color:#dce3ef}.faq-list summary{font-size:16px;font-weight:650;line-height:1.55}.faq-list summary::marker{color:var(--olive)}.faq-list p{font-size:14px;line-height:1.85}.resource-links{border-radius:10px;border-left:4px solid var(--olive);background:var(--surface)}.resource-links h2{font-size:34px}.resource-links p{font-size:14px}.resource-links .text-link{font-size:12px}
.wide-photo{border-radius:12px}.photo-grid{gap:44px 32px}.photo-grid img{border-radius:10px}.photo-grid h3{font-weight:700}.story-block{gap:70px}.story-block h2{font-size:38px}.story-block p{font-size:15px;line-height:1.85}.fact-row{border-color:var(--line)}.step h3{font-size:28px;font-weight:650}.step p{font-size:14px}.article{max-width:820px}.article h1{font-size:clamp(36px,4vw,54px)}.article h2{font-size:32px;line-height:1.2;letter-spacing:-.04em}.article p,.article li{font-size:15px;line-height:1.9}.article-toc{background:var(--surface);border:0;border-radius:10px;padding:24px}.article-toc a{font-weight:600}.source-pill{font-size:12px}.notice{background:#edf3ff;border-color:var(--olive);border-radius:0 8px 8px 0;color:#314e79}.quote-layout{gap:60px}.quote-form{background:var(--surface);border:1px solid #e1e8f3;border-radius:12px;padding:34px}.field{font-size:12px;font-weight:600}.field input,.field select,.field textarea{border:1px solid #bbc9de;border-radius:6px;background:white;min-height:46px;font-weight:400}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--olive)}.quote-item input,.brief-output textarea{background:white;border-color:#bbc9de;border-radius:6px}.form-actions{gap:10px}.contact-info h3{font-size:24px;font-weight:650}.toast{background:var(--night);border-radius:8px;font-size:14px}
@media(min-width:1600px){.hero{min-height:720px}.hero-photo{height:460px}}
@media(max-width:1100px){.header-inner{height:78px}.main-nav{gap:20px;font-size:12px}.hero{gap:36px;min-height:600px;padding:50px 0}.hero h1{font-size:clamp(38px,4.3vw,48px)}.hero-photo{height:380px}.hero-index{display:none}.hero-card{grid-column:1/-1}.hero-copy p:not(.eyebrow){font-size:14px}.hero .button-row{gap:14px}.hero .text-link{font-size:12px}.factory-teaser{gap:40px}.catalog-controls{align-items:stretch}.search-box{max-width:100%}.detail-top{gap:40px}.product-card .product-image{aspect-ratio:1.1}.footer-grid{gap:30px}}
@media(max-width:760px){body{font-size:14px}.section{padding:64px 0}.topbar{font-size:8px;letter-spacing:.04em;padding:7px 15px}.header-inner{height:70px}.wordmark{font-size:15px}.brand small{font-size:6px}.main-nav{top:70px;background:#fff;box-shadow:0 14px 20px #182a440a;padding:14px 20px}.main-nav a{font-size:14px;padding:13px}.main-nav a[aria-current=page]:after{display:none}.main-nav a[aria-current=page]{background:var(--surface);border-radius:5px}.header-actions{gap:10px}.hero{padding:34px 0 38px;gap:32px;min-height:0}.hero h1{font-size:clamp(35px,9.25vw,54px);line-height:1.13;letter-spacing:-.055em;margin-bottom:22px}.hero .eyebrow{font-size:9px;margin-bottom:18px}.hero-copy p:not(.eyebrow){font-size:14px;line-height:1.8}.hero .button-row{gap:15px;margin-top:24px}.hero-visual{gap:0 12px}.hero-photo{height:300px;border-width:6px;border-radius:14px}.hero-visual .image-caption{font-size:10px;margin-top:13px}.photo-original-link{font-size:11px}.hero-card{margin-top:18px;grid-column:1/-1}.hero-card strong{font-size:29px}.hero-card span{font-size:10px}.hero-index{display:none}.intro-strip .wrap{gap:0 16px}.intro-strip span{font-size:8px;padding:17px 0;border:0!important;letter-spacing:.01em}.intro-strip span:before{margin-right:7px;width:4px;height:4px}.section-heading{margin-bottom:28px}.section-heading h2{font-size:34px}.section-heading p{font-size:14px}.collection-layout{grid-template-columns:1fr;gap:25px}.collection-lead{min-height:440px;padding:23px}.collection-lead figure{gap:12px}.collection-reference{padding:8px}.collection-lead h3{font-size:28px}.collection-row{grid-template-columns:1fr 80px;gap:18px;min-height:112px;padding:18px 3px}.collection-row h3{font-size:22px}.collection-row p{font-size:12px}.collection-row img{width:80px;height:80px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 14px}.product-card .product-image{aspect-ratio:1/1.15;border-radius:7px}.product-card h3{font-size:14px;line-height:1.5}.product-card .cat-label{font-size:9px;margin-top:13px}.product-card .sku-note{font-size:10px}.card-bottom .text-link{font-size:11px;gap:12px}.small-add{font-size:10px;margin-top:9px;min-height:36px}.factory-teaser{gap:28px}.factory-teaser img{aspect-ratio:4/3}.factory-teaser h2{font-size:34px}.process-inline{flex-wrap:wrap}.custom-banner{padding:56px 0;gap:22px}.custom-banner h2{font-size:37px}.custom-banner p{font-size:14px}.editorial-grid{gap:32px}.editorial-card h3{font-size:26px}.site-footer{padding-top:42px}.footer-grid{gap:28px}.footer-grid p,.footer-grid a{font-size:12px}.breadcrumb{font-size:11px;padding-top:24px}.page-intro{padding:34px 0 28px}.page-intro h1{font-size:clamp(32px,8.8vw,43px)}.page-intro .intro{font-size:14px}.catalog-controls{padding:15px;gap:20px}.filter-links{gap:6px}.filter-links a{font-size:11px;padding:8px 9px}.category-guide{padding-top:35px;padding-bottom:45px}.category-guide h2{font-size:31px}.detail-top{padding-top:30px;gap:30px}.detail-visual{padding:32px 20px}.detail-copy h1{font-size:36px}.detail-copy .description{font-size:14px}.details-body h2{font-size:29px}.sourcing-brief,.buying-answers{padding-top:36px;padding-bottom:40px}.sourcing-brief h2,.buying-answers h2,.sourcing-comparison h2{font-size:30px}.resource-links h2{font-size:29px}.resource-links{padding:24px}.story-block{gap:20px}.story-block h2{font-size:32px}.story-block p{font-size:14px}.photo-grid{gap:32px}.photo-grid h3{font-size:21px}.article h1{font-size:35px}.article h2{font-size:29px}.article p,.article li{font-size:14px}.article-toc{padding:20px}.quote-layout{gap:32px}.quote-form{padding:24px 18px}.field input,.field select,.field textarea{font-size:16px}.form-actions .button{font-size:12px}.table-wrap{border-radius:6px}th,td{padding:14px;font-size:12px}}
@media(max-width:360px){.hero h1{font-size:34px}.hero-photo{height:260px}.hero .button-row{gap:12px}.hero .button-row .button{padding:13px 16px;font-size:12px}.hero .text-link{font-size:11px;gap:9px}.intro-strip span{font-size:7px}.brand-symbol{display:none}.wordmark{font-size:14px}.product-card h3{font-size:13px}.small-add{padding:7px}.detail-copy h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){.button{transition:none}.site-header{backdrop-filter:none}}
/* Expanded buyer resources: scannable decisions, with the existing blue/white system. */
.content-depth{padding-top:58px;padding-bottom:58px;border-top:1px solid var(--line)}
.content-depth>h2{font-size:clamp(29px,3.2vw,42px);line-height:1.2;max-width:800px;margin-bottom:24px}
.content-depth>p{max-width:850px;color:var(--muted);line-height:1.9}
.content-depth h3{font-size:21px;line-height:1.4;letter-spacing:-.025em;margin-bottom:12px}
.decision-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:30px 0}
.decision-grid article{border-top:2px solid #2457e6;padding-top:22px;min-width:0}
.decision-grid p,.depth-split p,.buyer-callout p{font-size:14px;line-height:1.9;color:#52627a}
.decision-grid .text-link{font-size:12px;margin-top:8px}
.depth-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;margin:28px 0}
.depth-split>div{min-width:0}
.buyer-callout{padding:28px 32px;margin-top:35px;background:#f2f5fa;border-radius:10px}
.answer-lead{border-left:3px solid #2457e6;padding:18px 24px;background:#f2f5fa;border-radius:0 8px 8px 0}
.article-toc ol{columns:2;column-gap:30px}.article-toc li{break-inside:avoid;padding-right:10px}
.editorial-card h3{overflow-wrap:break-word}
@media(max-width:760px){.content-depth{padding-top:38px;padding-bottom:38px}.content-depth>h2{font-size:30px}.decision-grid,.depth-split{grid-template-columns:1fr;gap:20px}.content-depth h3{font-size:20px}.buyer-callout{padding:24px}.article-toc ol{columns:1}.answer-lead{padding:16px 18px}}