/* Shared refinements for the eight public pages. */
.nav-shell{grid-template-columns:minmax(0,250px) minmax(0,1fr) auto;gap:16px}
.nav{align-items:center;flex-wrap:wrap;column-gap:16px;row-gap:0;min-width:0}
.nav a{white-space:normal;line-height:1.3}
.language-picker{grid-column:3;grid-row:1;align-self:center;display:none}
.nav-ready .language-picker{display:block}
.language-picker .lang-toggle{display:flex;align-items:center;justify-content:center;min-height:44px;margin:0;padding:8px 11px;line-height:1.25}
.language-menu{min-width:150px}
.language-option{min-height:44px}
.language-option[aria-pressed=true]{background:var(--accent);color:var(--dark)}
.product-inquiry{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:44px;margin-top:16px;padding:9px 0 0;border-top:1px solid var(--line);font-size:14px;font-weight:700;color:var(--dark)}
.product-inquiry:hover{text-decoration:underline;text-underline-offset:4px}
.card-body{display:flex;flex-direction:column;height:100%}
.card{display:grid;grid-template-rows:auto 1fr}
.card-body>.product-inquiry{margin-top:auto;padding-top:16px}
.card-body>p:last-of-type{margin-bottom:16px}
.category-help{margin-top:26px;padding:0 20px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.category-help>summary{padding:16px 0;font-weight:700;cursor:pointer}
.category-help>p{max-width:900px;font-size:14px;color:var(--muted)}
.task-table-wrap{overflow-x:auto;margin-bottom:18px}
.task-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}
.task-table th,.task-table td{padding:13px 14px 13px 0;border-top:1px solid var(--line);vertical-align:top}
.task-table th{font-weight:700}
.task-table td a{text-decoration:underline;text-underline-offset:3px;color:var(--dark)}
.inquiry-workspace{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.inquiry-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0}
.form-field{display:grid;gap:6px;min-width:0;align-content:start}
.field-wide{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:700;line-height:1.4}
.form-field input,.form-field textarea{box-sizing:border-box;width:100%;min-height:44px;padding:11px 12px;border:1px solid #adb7b1;border-radius:6px;background:#fff;color:var(--ink);font:inherit;font-size:14px;line-height:1.5}
.form-field textarea{resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:#59645e;opacity:1}
.form-note,.draft-note{margin:0;font-size:13px;line-height:1.5;color:var(--muted)}
.draft-panel{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--paper);min-width:0}
.draft-panel h3{margin:0 0 7px;font-size:21px}
.draft-panel pre{max-height:270px;margin:16px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.draft-actions{display:flex;flex-wrap:wrap;gap:8px}
.draft-actions button{min-height:44px;padding:10px 14px;border-radius:6px;font-weight:700;font-size:14px;cursor:pointer}
.download-btn{border:1px solid var(--line);background:#fff;color:var(--dark)}
.draft-panel .copy-status{min-height:20px;margin:10px 0 0}
.inquiry-checklist{margin-top:24px}
.inquiry-entry>summary{display:list-item;padding:16px 0;color:var(--dark);font-weight:700;cursor:pointer;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.inquiry-entry[open]>summary{margin-bottom:24px}
.form-field input:focus-visible,.form-field textarea:focus-visible{outline:2px solid var(--dark);outline-offset:2px}
html:lang(zh-CN) h1,html:lang(zh-CN) h2,html:lang(zh-CN) h3{letter-spacing:0;line-height:1.2}
@media(min-width:761px) and (max-width:1100px){
 .nav-shell{grid-template-columns:minmax(0,1fr) auto;gap:4px 16px}
 .language-picker{grid-column:2;grid-row:1}
 .nav,.nav.open{grid-column:1/-1;grid-row:2;display:flex;justify-content:space-between;flex-wrap:wrap;gap:0 15px}
 .menu{display:none}
 html{scroll-padding-top:158px}
}
@media(max-width:760px){
 .nav-shell{grid-template-columns:minmax(0,1fr) auto 44px;gap:8px}
 .language-picker{grid-column:2;grid-row:1}
 .language-picker .lang-toggle{font-size:12px}
 .language-menu{position:absolute;right:0;top:calc(100% + 8px);margin:0;display:grid;grid-template-columns:1fr;min-width:140px;box-shadow:0 10px 25px rgba(28,37,34,.12)}
 .language-option{text-align:left}
 .menu{grid-column:3;grid-row:1}
 .nav,.nav.open{grid-column:1/-1;grid-row:2;grid-template-columns:1fr 1fr}
 .nav-ready .nav:not(.open){display:none}
 .brand-copy strong{font-size:12px;line-height:1.15}
 .brand-copy small{font-size:8px;letter-spacing:0}
 .brand picture{width:30px;height:30px;flex-basis:30px}
 .brand{gap:7px}
 .inquiry-workspace{grid-template-columns:1fr;gap:20px}
 .draft-panel{padding:18px}
 .task-table{min-width:570px}
 .category-help{padding:0 16px}
 .range-list article{min-height:0}
 .inquiry-block{scroll-margin-top:116px}
}
@media(max-width:380px){.brand-copy strong{font-size:10.5px}.brand-copy small{font-size:7px}.brand picture{width:26px;height:26px;flex-basis:26px}.brand{gap:5px}.language-picker .lang-toggle{font-size:11px;padding:8px}.inquiry-form{grid-template-columns:1fr}}

/* Minimal-gallery inspired refinement: one quiet light theme, clear editorial hierarchy. */
:root{--paper:#f4f6f4;--white:#fff;--ink:#1c2522;--muted:#56635d;--line:#d7ded9;--dark:#294b41;--accent:#e4ebe6;--radius:10px}
::selection{background:var(--dark);color:#fff}
body{background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.header{background:rgba(244,246,244,.96)}
.hero{padding:58px 0 44px}
.hero h1{max-width:820px;text-wrap:balance}
.hero h1 small{display:block!important;margin-top:18px;font-size:clamp(18px,2.2vw,28px)!important;line-height:1.18!important;letter-spacing:-.02em!important;color:var(--dark)}
.hero-copy{max-width:680px;font-size:17px;line-height:1.68}
.eyebrow{font-family:inherit;font-size:12px;letter-spacing:.06em;text-transform:none}
.section-heading{display:block;max-width:860px;margin-bottom:28px}
.section-heading>.eyebrow{display:none}
.section-heading h2{max-width:760px;margin-bottom:10px;text-wrap:balance}
.section-heading p{max-width:65ch}
section{padding:68px 0}
.signal{padding-bottom:18px}
.signal-row{padding:0 20px;border:1px solid var(--line);border-radius:10px;background:#fff}
.products,.manufacturing,.fit,.notes,#faq,.contact{background:var(--paper)}
.products{border-top:1px solid var(--line)}
.range-list{gap:12px}
.range-list article{min-height:140px;border-color:var(--line);border-radius:10px;background:#fff}
.range-list article:hover{background:#fbfcfb;border-color:#9caea4}
.range-list b{font-size:18px}
.capability-grid{gap:12px}
.capability-card{border-color:var(--line);border-radius:10px;background:#fff}
.manufacturing-workshop{padding-top:62px}
.workshop-feature,.workshop-card{border-color:var(--line);border-radius:10px}
.fit-statement{border:1px solid var(--line);border-radius:10px;background:#fff}
.template-shell{border-color:var(--line);border-radius:10px;background:#fff}
.template-card{border-radius:8px;background:var(--paper)}
.contact{border-top:1px solid var(--line)}
.btn{white-space:nowrap}
.btn-dark{background:var(--dark)}
.btn-light{background:#fff;border-color:var(--line)}
.contact-links>p{background:#fff}
footer{background:var(--ink);color:#d2dbd6}
@media(max-width:760px){
  .hero{padding:38px 0 46px}
  .hero-copy{font-size:16px}
  section{padding:48px 0}
  .signal-row{padding:0 14px}
  .section-heading{margin-bottom:24px}
  .range-list article{min-height:126px}
  .btn{width:auto;white-space:nowrap}
}

/* Compact product references and optional selection notes. */
.range-list .range-meta{margin:12px 0 0;padding-top:10px;border-top:1px solid var(--line);font-size:12px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}
.range-meta>span:first-child{font-weight:700}
.material-notes{margin:0 0 20px}
.material-notes>div{padding:15px 0;border-top:1px solid var(--line)}
.material-notes dt{font-weight:700;font-size:15px}
.material-notes dd{margin:6px 0 0;max-width:80ch;font-size:14px;line-height:1.65;color:var(--muted)}
.contact-preparation{display:grid;gap:12px;align-content:start}
.inquiry-cta{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:13px 18px;border-radius:8px;background:var(--dark);color:#fff;font-size:15px;font-weight:700}
.inquiry-cta:hover{background:var(--ink)}
.inquiry-cta:focus-visible{outline:2px solid var(--dark);outline-offset:4px}
.contact-preparation .contact-placeholder{margin:0;padding:0;border:0;background:none}
.contact-note{display:block;margin:0;font-size:13px;line-height:1.6;color:var(--muted)}
#materials-guide,#selection-matrix{scroll-margin-top:160px}

/* Saino identity and user-confirmed contact channels. */
.brand-copy strong{font-size:20px;font-weight:800;letter-spacing:-.035em;line-height:1.1}
.brand-copy small{font-size:10px;letter-spacing:.02em;line-height:1.35;white-space:normal}
.brand picture{width:46px;height:46px;flex-basis:46px;flex-shrink:0}
.brand picture img{width:100%;height:100%;object-fit:contain}
.business-contacts{display:grid;gap:0;margin:0;font-style:normal;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.business-contacts a,.contact-links .business-contacts a{display:grid;grid-template-columns:minmax(76px,.65fr) minmax(0,1.5fr) auto;align-items:center;gap:12px;min-height:62px;padding:14px 16px;border-radius:0;background:#fff;color:var(--ink);font-size:14px;font-weight:600;text-decoration:none;transform:none}
.business-contacts a+a{border-top:1px solid var(--line)}
.business-contacts a:hover,.contact-links .business-contacts a:hover{background:var(--paper);transform:none}
.business-contacts a:focus-visible{outline:2px solid var(--dark);outline-offset:-3px}
.channel-label{font-size:12px;color:var(--muted)}
.channel-value{overflow-wrap:anywhere}
@media(max-width:760px){.brand-copy strong{font-size:15px}.brand-copy small{font-size:9px;letter-spacing:0}.brand picture{width:34px;height:34px;flex-basis:34px}.brand{gap:8px}.business-contacts a,.contact-links .business-contacts a{grid-template-columns:minmax(0,1fr) auto;gap:4px 12px}.channel-label{grid-column:1}.channel-value{grid-column:1}.business-contacts a>span:last-child{grid-column:2;grid-row:1/3}}
@media(max-width:380px){.brand-copy strong{font-size:13px}.brand-copy small{font-size:8px}.brand picture{width:30px;height:30px;flex-basis:30px}}

/* Industrial service and company context added from the competitor review. */
.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 34px}
.service-grid article{min-height:220px;padding:24px;border:1px solid var(--line);border-radius:10px;background:#fff}
.service-grid span{display:block;margin-bottom:42px;color:var(--dark);font-size:12px;font-weight:800;letter-spacing:.08em}
.service-grid h3{margin-bottom:9px;font-size:21px;letter-spacing:-.025em}
.service-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.about{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.about-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(38px,8vw,110px);align-items:start}
.about h2{max-width:590px;margin:0;font-size:clamp(36px,4.7vw,60px);line-height:1.02;letter-spacing:-.05em}
.about-copy{padding-top:26px;border-top:1px solid var(--line)}
.about-copy p{max-width:650px;color:var(--muted);font-size:16px;line-height:1.75}
.text-link{display:inline-flex;align-items:center;gap:12px;margin-top:10px;color:var(--dark);font-weight:800}
.text-link:hover{text-decoration:underline;text-underline-offset:5px}
@media(max-width:760px){.service-grid,.about-layout{grid-template-columns:1fr}.service-grid article{min-height:0}.service-grid span{margin-bottom:25px}.about-copy{padding-top:20px}.about h2{font-size:38px}}


/* Mobile quick-contact bar: markup now present on every page (was dead CSS). */
.mobile-contact{display:none}
@media(max-width:760px){
  .mobile-contact{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:9px 12px max(9px,env(safe-area-inset-bottom));background:rgba(241,240,235,.95);border-top:1px solid var(--line);backdrop-filter:blur(14px)}
  .mobile-contact a{min-height:45px;display:grid;place-items:center;border-radius:12px;font-weight:850}
  .mobile-contact a:first-child{background:var(--ink);color:#fff}
  .mobile-contact a:last-child{background:#fff;border:1px solid var(--line)}
  footer{padding-bottom:96px}
}

/* One-click inquiry send buttons (email / WhatsApp) beside copy & download. */
.draft-actions a.send-btn{min-height:44px;display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--dark);font-weight:700;font-size:14px;text-decoration:none}
.draft-actions a.send-btn:hover{background:var(--paper)}
.draft-actions a.send-btn.email-send{background:var(--dark);border-color:var(--dark);color:#fff}
.draft-actions a.send-btn.email-send:hover{background:var(--ink)}

/* Product details: keep the photograph useful without presenting unknown specifications. */
.card h3 a{text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:text-decoration-color .15s}
.card h3 a:hover,.card h3 a:focus-visible{text-decoration-color:currentColor}
.product-detail{padding-top:34px}
.detail-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:clamp(28px,5vw,72px);align-items:start}
.detail-photo .media{aspect-ratio:4/3}
.detail-photo .card-body{display:block}
.detail-info{padding-top:8px}
.detail-info h2{max-width:13ch;font-size:clamp(28px,3vw,44px);line-height:1.1;letter-spacing:-.04em}
.detail-info>p:not(.eyebrow):not(.contact-note){color:var(--muted);line-height:1.7}
.detail-info .selection-note{margin:24px 0}
.detail-info .selection-note h3{font-size:21px;margin-bottom:10px}
.detail-related{padding:42px 0 68px;border-top:1px solid var(--line)}
.detail-related h2{font-size:24px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:22px 0}
.related-product{display:grid;grid-template-rows:145px auto;gap:10px;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:13px;font-weight:700;line-height:1.4}
.related-product img{width:100%;height:145px;object-fit:contain}
.related-product:hover{border-color:var(--dark)}
.desktop-whatsapp{display:none}
.catalog-download{display:inline-flex;align-items:center;gap:16px;min-height:44px;margin-top:12px;padding:10px 16px;border:1px solid var(--dark);border-radius:7px;color:var(--dark);font-size:14px;font-weight:700}
.catalog-download:hover{background:var(--dark);color:#fff}
.category-faq{padding:46px 0 64px;border-top:1px solid var(--line);background:var(--paper)}
.category-faq h2{margin:0 0 25px;font-size:clamp(26px,3vw,38px);letter-spacing:-.035em}
.category-faq .faq-list{max-width:880px}
.category-faq .faq-list details{padding:18px 0;border-top:1px solid var(--line)}
.category-faq .faq-list details:last-child{border-bottom:1px solid var(--line)}
.category-faq .faq-list summary{min-height:44px;display:list-item;cursor:pointer;font-size:17px;font-weight:700}
.category-faq .faq-list p{max-width:72ch;margin:10px 0 0;color:var(--muted);line-height:1.7}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:20px;padding-top:12px;border-top:1px solid #53615a}
.footer-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:4px;color:inherit}
.form-field input,.form-field textarea{font-size:16px}
@media(min-width:761px){.desktop-whatsapp{position:fixed;right:22px;bottom:22px;z-index:30;display:inline-flex;align-items:center;min-height:46px;padding:11px 20px;border-radius:999px;background:var(--dark);color:#fff;font-size:14px;font-weight:700;box-shadow:0 8px 22px rgba(28,37,34,.16);transition:transform .15s}.desktop-whatsapp:hover{transform:translateY(-3px)}}
@media(max-width:760px){.detail-layout{grid-template-columns:1fr}.detail-related{padding:38px 0 48px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}