/* Shared full-site interaction layer. */
.core-intro{padding-top:32px;padding-bottom:62px}.core-hero{gap:45px}.core-hero h1{font-size:clamp(34px,3.6vw,54px)}.core-hero figure img{display:block;width:100%;max-height:510px;object-fit:contain}.core-jumps{border-bottom:1px solid #dce5ea;background:#fff}.core-jumps .wrap{display:flex;gap:26px;flex-wrap:wrap;padding-top:20px;padding-bottom:20px}.core-jumps a{font-size:12px;font-weight:700}.core-links{padding-left:18px}.core-links li{margin:12px 0}.core-route{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:route}.core-route li{border-top:3px solid var(--blue);padding:22px 0;counter-increment:route}.core-route li:before{content:'0' counter(route);color:var(--blue);font-size:32px;font-weight:750}.core-route h3{font-size:21px}.core-route p{font-size:14px}@media(max-width:850px){.core-route{grid-template-columns:1fr 1fr}.core-hero{gap:24px}.core-jumps .wrap{gap:14px 22px}}@media(max-width:500px){.core-route{grid-template-columns:1fr}.core-hero h1{font-size:34px}.core-route li{padding:16px 0}}
:root{--blue:#009fe3;--navy:#263b49;--light:#f5f7f8}
html{scroll-behavior:smooth;scroll-padding-top:120px}
[hidden]{display:none!important}
.site-header{position:sticky;top:0}
.header-inner{max-width:1500px}.nav{gap:19px}.header-inner>.button{white-space:nowrap}
.dropdown{max-height:70vh;overflow-y:auto;grid-template-columns:repeat(3,minmax(0,1fr))}
.dropdown a{border-bottom:1px solid #edf2f4;color:#334b58;padding:10px 15px;border-radius:3px;transition:background .18s,color .18s}
.dropdown a:hover{background:#e9f7ff;color:#007eae;text-decoration:none}
.button,button,.card,a img{transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}
.button:hover{transform:translateY(-2px)}.card:hover{box-shadow:0 12px 35px #13354912;transform:translateY(-4px)}
.card a{font-weight:700}.card h3{font-size:22px;overflow-wrap:anywhere}
.hero.video-hero{min-height:650px}.video-hero>video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero.video-hero:after{background:linear-gradient(90deg,#102532ef,#10253295 55%,#10253225)}
.hero h1{font-weight:850;font-size:clamp(40px,4.5vw,68px);line-height:1.05}
.video-control{margin-top:24px;color:white;border:1px solid #ffffff90;background:#152d3a66;border-radius:20px;padding:8px 15px;font-size:12px;cursor:pointer}
.missing{border:1px dashed #b49b65;background:#fffaf0;padding:24px;min-height:140px;display:flex;flex-direction:column;justify-content:center;gap:10px;color:#6f5630;border-radius:3px;overflow-wrap:anywhere}
.missing span{font:700 13px/1.5 Arial,'Microsoft YaHei',sans-serif;letter-spacing:.05em}.missing p{font:14px/1.7 Arial,'Microsoft YaHei',sans-serif;margin:0}
.source-note{font-size:11px;color:#53636d;border-top:1px solid #dee7ec;padding-top:15px}
.related,.knowledge-tree{display:flex;gap:14px;flex-wrap:wrap}.related .button{text-transform:none;letter-spacing:0}
.knowledge-tree{justify-content:center}.knowledge-tree .button{font-size:14px}
.filter-bar{display:grid;grid-template-columns:1fr 2fr;gap:25px;padding:25px;background:var(--light);border:1px solid var(--line)}
.filter-bar label{font-size:13px;font-weight:700}.filter-bar input,.filter-bar select{margin-top:8px;width:100%;padding:13px;border:1px solid #bacbd5;background:white;border-radius:3px;color:#243f50}
#material-count{font-size:13px;margin:20px 0}.material-item .card{height:100%}
.article-layout{display:grid;grid-template-columns:240px 1fr;gap:60px;align-items:start}
.article-toc{position:sticky;top:140px;background:var(--light);border-left:3px solid var(--blue);padding:25px;font-size:13px}
.article-toc a{display:block;margin-top:14px}.article section{scroll-margin-top:130px}
.share{position:sticky;bottom:15px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;background:white;border:1px solid var(--line);padding:16px;margin:35px 0;box-shadow:0 5px 20px #1231;font-size:12px;z-index:2}
.share button{background:var(--blue);color:white;border:0;border-radius:20px;padding:10px 16px;cursor:pointer}.share-status{width:100%}
.case-video{display:block;width:100%;max-height:620px;background:#172a35;object-fit:contain;margin:25px 0}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%;display:block}.gallery a:hover img{transform:scale(1.02)}
.single-part{width:100%;max-width:400px;margin:0 auto}
.single-part .ck-compare-stage{aspect-ratio:.64;background:#eee;--split:50%}
.single-part .part-layer{position:absolute;inset:0;overflow:hidden}
.single-part .ck-compare-stage .part-layer img{position:absolute;max-width:none;width:416.6667%;height:200%;left:-4.1667%;top:-68%;object-fit:fill}
.single-part .ck-compare-before{clip-path:inset(0 calc(100% - var(--split)) 0 0)}
.single-part .ck-compare-label{top:15px;font-size:11px}.single-part .ck-compare-controls{gap:10px}.single-part button{white-space:nowrap}
.contact-dock{position:fixed;bottom:24px;right:22px;z-index:25;color:white;max-width:260px;font-size:13px}
.contact-dock summary{display:block;background:#148649;border-radius:28px;padding:15px 24px;box-shadow:0 4px 20px #0002;cursor:pointer;font-weight:700;list-style:none;text-align:center}
.contact-dock summary::-webkit-details-marker{display:none}.contact-dock>div{position:absolute;bottom:65px;right:0;width:245px;border:1px solid var(--line);background:white;box-shadow:0 5px 30px #1232;border-radius:8px;padding:12px}
.contact-dock a,.contact-dock span{display:block;padding:10px;border-bottom:1px solid #eee}.contact-dock span{color:#6b604a;font-size:11px}
.back-top{position:fixed;right:26px;bottom:92px;border:1px solid var(--line);border-radius:50%;background:white;color:#234859;width:40px;height:40px;cursor:pointer;z-index:20;font-size:23px}
.qr{display:flex;align-items:center;gap:16px;margin-top:20px;font-size:11px}.qr img{background:white;padding:5px;width:100px;height:100px}.qr span{max-width:150px}.qr small{font:11px/1.7 Arial,sans-serif}
.directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.directory a{padding:12px;border:1px solid var(--line);font-size:13px}
body.enhanced .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s,transform .55s}body.enhanced .reveal.visible{opacity:1;transform:none}
@media(max-width:1160px){.site-header .brand{width:180px}.header-inner{gap:15px}.nav{gap:13px}.nav summary{font-size:10px}.header-inner>.button{font-size:10px;padding:10px 14px}}
@media(max-width:850px){html{scroll-padding-top:100px}.site-header .brand{width:190px}.nav{gap:0}.nav summary{font-size:13px}.dropdown{grid-template-columns:1fr;max-height:50vh}.header-inner{padding:14px 20px}.hero.video-hero{min-height:560px}.hero .wrap{padding-top:60px;padding-bottom:45px}.hero h1{font-size:clamp(36px,7.8vw,60px)}.filter-bar,.article-layout{grid-template-columns:1fr}.article-layout{gap:25px}.article-toc{position:static}.directory{grid-template-columns:1fr 1fr}.contact-dock{bottom:14px;right:14px}.contact-dock summary{padding:12px 18px}.back-top{bottom:75px;right:18px}.single-part{max-width:330px}.preview-banner{font-size:11px}.share{position:static}.section{padding:52px 0}}
@media(max-width:430px){.directory{grid-template-columns:1fr}.hero h1{font-size:36px}.site-header .brand{width:175px}.single-part .ck-compare-label{font-size:10px}.single-part .ck-compare-controls{flex-wrap:wrap}.single-part .ck-compare-controls input{min-width:100px}.related .button{width:100%}.strip .wrap{font-size:10px}.actions .button{font-size:10px;padding:12px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}body.enhanced .reveal{opacity:1;transform:none}.button:hover,.card:hover{transform:none}}

/* V0.2.1 — one hierarchy across mega-menus, directories and catalogues. */
.nav .grouped-dropdown{display:block;padding-top:20px;padding-bottom:30px}
.menu-overview{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:24px}
.menu-overview>a{font-weight:750;border:0;padding:0;color:#007eae}
.menu-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.menu-group{min-width:0;padding-left:20px;border-left:1px solid var(--line)}
.menu-group:first-child{padding-left:0;border-left:0}
.menu-group h2{font-size:14px;letter-spacing:0;line-height:1.4;margin:0 0 14px;color:#203e51}
.menu-group a{display:block;font-size:12px;line-height:1.5;padding:9px 0;border:0;font-weight:450;overflow-wrap:anywhere}
.menu-group a:hover{background:transparent;text-decoration:underline;text-underline-offset:4px}
.area-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.area-card{padding:32px;border:1px solid var(--line);background:#fff}
.area-card:first-child{border-top:4px solid var(--blue)}
.area-card h2{font-size:28px;margin-bottom:15px}.area-card p{font-size:14px;max-width:560px}
.area-links{display:grid;gap:0}.area-links a{border-top:1px solid #e4edf1;padding:12px 0;font-size:14px}
.category-jumps{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.category-jumps a{padding:10px 16px;border:1px solid #ccdde5;border-radius:24px;color:#295169;font-size:12px}
.category-jumps a:hover{background:#edf8ff;text-decoration:none}
.grouped-filter{grid-template-columns:1fr 1fr 1.5fr}
.material-category{padding:38px 0;border-top:1px solid var(--line);scroll-margin-top:130px}
.category-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:26px}
.category-heading h2{font-size:29px;margin-bottom:14px}.category-heading p{font-size:14px;max-width:750px;margin:0}
.category-heading>a{white-space:nowrap;font-size:13px;font-weight:700}
.family-block{margin:0 0 42px}.family-block>h3{padding-bottom:15px;border-bottom:1px solid var(--line);font-size:21px;letter-spacing:0}
.family-block .card h3{font-size:19px}
.directory-group{border:1px solid var(--line);margin:16px 0;background:white}
.directory-group>summary{padding:20px;cursor:pointer;font-size:17px;font-weight:650;color:var(--navy)}
.directory-group>summary span{font-size:12px;font-weight:400;margin-left:10px;color:#61727c}
.directory-group .directory{padding:0 20px 20px}
.category-note{border-left:3px solid var(--blue);padding:15px 22px;background:var(--light);font-size:14px}
@media(max-width:1000px) and (min-width:851px){.menu-columns{gap:16px}.menu-group{padding-left:12px}.menu-group h2{font-size:12px}.menu-group a{font-size:11px}}
@media(max-width:850px){.menu-columns{grid-template-columns:1fr 1fr;gap:24px}.menu-group{padding-left:0;border:0}.menu-group h2{color:#007eae;margin-bottom:8px}.menu-overview{margin-bottom:20px}.nav .grouped-dropdown{padding:20px 12px;max-height:60vh}.area-grid,.grouped-filter{grid-template-columns:1fr}.area-card{padding:24px}.category-heading{display:block}.category-heading>a{display:inline-block;margin-top:14px}}
@media(max-width:430px){.menu-columns{grid-template-columns:1fr}.menu-group{border-bottom:1px solid var(--line);padding-bottom:12px}.menu-group a{font-size:13px}.area-card h2{font-size:25px}.category-heading h2{font-size:25px}}

/* Customer evidence is reserved visibly until approved content is supplied. */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.review-card{background:#fff;border:1px solid var(--line);padding:25px;border-radius:4px;box-shadow:0 5px 18px #17374c08;min-width:0}
.review-card-heading{margin-bottom:20px}.review-card h3{font-size:19px;letter-spacing:0;margin:0 0 10px}
.review-card-heading>span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#697b85;background:#f0f5f8;border-radius:14px;padding:5px 10px;display:inline-block}
.review-card .missing{min-height:190px;padding:20px;background:#fbfcfd;border-color:#bdcbd3;color:#586d7a}
.review-copy{border-top:1px solid var(--line);padding-top:19px;margin-top:24px;font:12px/1.8 Arial,'Microsoft YaHei',sans-serif;color:#6c7a82}
.review-copy p{margin-bottom:12px}.reviews-link{margin-top:32px}#customer-reviews{scroll-margin-top:150px}
.reference-logo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.reference-logo-grid .missing{min-height:110px;padding:18px;background:#fafcfd;border-color:#ccd7de;color:#637887}
.reference-logo-grid .missing p{font-size:12px}.customer-references{padding-top:48px;padding-bottom:48px}
.customer-references h2{font-size:30px}.review-support{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:38px;padding-top:28px;border-top:1px solid var(--line)}
.review-support h3{font-size:23px;margin-top:0}.review-support p{font-size:14px;margin-bottom:0}.review-support .button{flex-shrink:0}
@media(max-width:850px){.review-grid{grid-template-columns:1fr}.reference-logo-grid{grid-template-columns:1fr 1fr}.review-support{flex-direction:column;align-items:flex-start}.review-card .missing{min-height:150px}}
@media(max-width:430px){.reference-logo-grid{grid-template-columns:1fr}.review-card{padding:20px}}
.quote-layout{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.5fr);gap:50px;align-items:start}
.quote-intro h2{font-size:clamp(28px,3vw,40px)}.quote-intro p{font-size:14px}
.compact-quote .field-optional,.quote-extras summary span{font-weight:400;color:#5b6c77;font-size:12px}
.quote-upload{padding:20px;background:#fff;border:1px dashed #87b8cb;border-radius:6px}
.quote-file-options{margin-top:12px;font-size:12px}.quote-file-options summary{cursor:pointer;color:#007ca7}
.quote-file-options p{margin:12px 0}.quote-file-options label{font-size:12px}
.quote-extras{border-block:1px solid var(--line);padding:16px 0}
.quote-extras summary{cursor:pointer;font-size:13px;font-weight:650;color:var(--navy)}
.quote-extras>.form-grid{margin-top:20px}.compact-quote .quote-consent{font-size:12px;font-weight:400}
.compact-quote .meta{margin:14px 0 0}.compact-quote [hidden]{display:none!important}
@media(max-width:850px){.quote-layout{grid-template-columns:1fr;gap:24px}.quote-intro h2{font-size:28px}.quote-upload{padding:14px}}

/* Material and finishing detail pages. */
.material-route{font-size:12px;font-weight:650;color:#426779;border-top:1px solid #dce5ea;padding-top:18px}.finish-actions{padding:0 0 32px;background:var(--light)}.finish-actions .actions{margin-top:0}

.family-block>h2{padding-bottom:15px;border-bottom:1px solid var(--line);font-size:21px;letter-spacing:0}.family-block .card h4{font-size:19px;line-height:1.18;letter-spacing:-.035em;color:var(--navy);margin:18px 0 14px}.related-site{margin-top:24px;padding-top:18px;border-top:1px solid #ffffff25}.related-site p{margin:0;font-size:11px;text-transform:uppercase;letter-spacing:.08em}.related-site a{font-weight:650}

/* V0.2.11: keep the three service routes aligned and the combined route visible. */
.home-services .grid{align-items:stretch}.home-services .card{display:flex;flex-direction:column}.home-services .card .pad{display:flex;flex-direction:column;flex:1}.home-services .card .pad>a{margin-top:auto}.home-services .card .pad p{margin-bottom:22px}.service-route-note{margin:28px 0 0;text-align:center;font-size:14px}.service-route-note a{font-weight:700;color:var(--blue)}

/* V0.2.12: approved 3D printing + in-house CNC footer copy. */
.site-footer .footer-tagline{font-size:18px;font-weight:700;line-height:1.5;color:#fff;margin:16px 0 12px}.site-footer .footer-description{font-size:14px;line-height:1.75;max-width:44ch}

/* Process-first material and finish browsing. */
.process-catalogue{border:1px solid var(--line);padding:24px}.process-catalogue>summary{font-size:20px;font-weight:700;cursor:pointer}.process-catalogue[open]>summary{margin-bottom:24px}.process-material-group{margin:32px 0}.process-context .related{justify-content:flex-start}.auxiliary-service{padding:24px;border-left:3px solid var(--blue);background:var(--light)}.auxiliary-service h2{font-size:24px}.process-catalogue .filter-bar{margin-top:20px}@media(max-width:500px){.process-catalogue{padding:16px}.process-catalogue>summary{font-size:18px}}

.process-area-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.process-area-grid .area-card{padding:28px}.process-area-grid .area-card h2{font-size:25px}.menu-columns:has(>.menu-group:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:850px){.process-area-grid{grid-template-columns:1fr}.menu-columns:has(>.menu-group:nth-child(3):last-child){grid-template-columns:1fr 1fr}}@media(max-width:430px){.menu-columns:has(>.menu-group:nth-child(3):last-child){grid-template-columns:1fr}}

/* CK WeChat contact, user scan and decoder verified 2026-09-21. */
.contact-dock>div{max-height:calc(100dvh - 130px);overflow-y:auto;overscroll-behavior:contain}
.contact-dock .ck-wechat-qr{color:#263b49;border:0;border-bottom:1px solid #eee}
.contact-dock .ck-wechat-qr>summary{display:block;background:#fff;color:#007ca7;border-radius:0;box-shadow:none;padding:10px;text-align:left;font:inherit;font-weight:600;cursor:pointer}
.contact-dock .ck-wechat-qr>summary:after{content:' +';float:right}.contact-dock .ck-wechat-qr[open]>summary:after{content:' −'}
.contact-dock .ck-wechat-content{padding:0 0 8px;background:#fff;color:#263b49}
.contact-dock .ck-wechat-image{display:block;background:#fff;padding:0;border:0;line-height:0}
.contact-dock .ck-wechat-image img{display:block;width:100%;height:auto;aspect-ratio:1;background:#fff;max-width:none}
.contact-dock .ck-wechat-content p{font-size:12px;line-height:1.5;margin:9px 5px 0;text-align:center}
.contact-dock .ck-wechat-full{font-size:12px;text-align:center;border:0;padding:8px 3px}
.contact-dock .ck-wechat-qr summary:focus-visible,.contact-dock .ck-wechat-image:focus-visible{outline:2px solid #009fe3;outline-offset:2px}

/* Current language; connect real translated pages before adding choices. */
.ck-header-language{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;flex-shrink:0;color:#243746;font-family:Montserrat,Arial,sans-serif;font-weight:650;font-size:12px;letter-spacing:.04em;line-height:1.5;min-height:36px}.ck-header-language svg{flex-shrink:0}.ck-header-language>svg:last-child{margin-left:1px}@media(max-width:1160px) and (min-width:851px){.site-header .header-inner{gap:10px}.site-header .brand{width:160px}.site-header .nav{gap:10px}}@media(max-width:850px){.site-header .header-inner{gap:8px}.site-header .brand{width:145px}.site-header .menu-toggle{padding:8px 6px;font-size:12px;order:1}.site-header .ck-header-language{order:2;font-size:11px;gap:5px}.site-header #main-nav{order:3;width:100%}}@media(max-width:360px){.site-header .brand{width:125px}.site-header .header-inner{padding-left:16px;padding-right:16px;gap:6px}}@media(max-width:330px){.site-header .brand{width:110px}}