/* Shared additions for the multi-page Guotong website. */
.header .brand img,.header.scrolled .brand img,.header:has(.nav-group:hover) .brand img,.header:has(.nav-group:focus-within) .brand img,.header:not(.scrolled):not(.menu-open) .brand img,.footer .brand img,.menu-open .brand img{filter:none;mix-blend-mode:normal;background:#f7f9fa;border-radius:3px;padding:3px}
.brand small{font-size:12px;letter-spacing:.65px}.submenu{max-height:min(70vh,640px);overflow:auto;width:258px}.submenu a{display:block;padding:13px 20px;font-size:15px;line-height:1.5}.submenu a:hover,.submenu a:focus-visible{color:var(--blue);background:#f2f6fc}.header.inner-header{background:#fff;color:var(--ink);height:82px;box-shadow:0 2px 16px #0e2e5210}.nav{gap:clamp(15px,2vw,34px)}
.hero-slide:nth-child(2) .hero-bg{object-position:60% center}.hero-slide:nth-child(3) .hero-bg{object-position:55% center}.hero-slide:nth-child(3) .hero-shade{background:linear-gradient(90deg,#052447bd,#08224244 65%,#00152910),linear-gradient(0deg,#051a35aa,transparent 32%)}.hero-copy{max-width:850px}.hero .image-note{font-size:12px}.engineering-left a{pointer-events:auto}.home-news{padding-top:80px!important;padding-bottom:85px!important}.home-news .article-row{grid-template-columns:65px 1fr 24px}.home-news .article-row h3{font-size:23px}.home-news .article-row p{font-size:16px}
.content-wrap{width:min(1380px,100%);margin:0 auto;padding-left:var(--space);padding-right:var(--space)}.page-section{padding-top:70px;padding-bottom:80px}.page-section h2,.section-top h2{font-size:clamp(26px,2.6vw,40px);font-weight:600;line-height:1.5;letter-spacing:1px}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:38px}.section-top .eyebrow{margin-bottom:13px}.section-top .text-button{white-space:nowrap}.narrow{max-width:440px}.inner-page{padding-top:82px}.inner-hero{min-height:310px;position:relative;display:flex;align-items:center;overflow:hidden;background:#0b2948;color:white}.inner-hero.has-image{min-height:390px}.inner-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 58%}.inner-shade{position:absolute;inset:0;background:linear-gradient(90deg,#041d36e8,#0626468c 60%,#071f3440)}.inner-hero-copy{position:relative;width:min(1380px,100%);margin:auto;padding:65px var(--space)}.inner-hero .eyebrow{color:#b6cff1;letter-spacing:3px;font-size:14px;margin-bottom:18px}.inner-hero h1{font-size:clamp(33px,3.6vw,58px);line-height:1.4;letter-spacing:2px;max-width:1050px;overflow-wrap:anywhere}.inner-hero-copy>p:last-child{font-size:17px;color:#d0dce7;line-height:1.9;max-width:820px;margin-top:22px}.inner-hero .image-note{right:var(--space);bottom:15px}.breadcrumbs{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:22px 0;font-size:14px;color:#778492;border-bottom:1px solid var(--line);line-height:1.8}.breadcrumbs a:hover{color:var(--blue)}.breadcrumbs [aria-current]{color:#324961}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.body-copy p,.article-body p{font-size:17px;line-height:2;color:#536579;margin-bottom:22px}.body-copy h2{margin:15px 0 24px}.section-description{font-size:17px;line-height:1.95;margin-top:20px}.muted-section{background:#f2f5f8}.filter-bar{display:flex;flex-wrap:wrap;gap:10px;border-bottom:1px solid var(--line);padding-bottom:22px}.filter-bar button{padding:12px 20px;background:#f2f5f8;font-size:16px;transition:background .2s,color .2s}.filter-bar button[aria-pressed=true],.filter-bar button:hover{background:var(--blue);color:#fff}.filter-status{font-size:14px;color:var(--muted);margin:22px 0}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.catalog-card{display:flex;flex-direction:column;border-bottom:2px solid #dbe3ec;background:#fff;transition:transform .3s,border-color .3s;min-width:0}.catalog-card:hover{transform:translateY(-5px);border-color:var(--blue)}.catalog-card[hidden]{display:none}.catalog-image{height:230px;background:#eef2f5;overflow:hidden;display:flex;align-items:center;justify-content:center}.catalog-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:20px;transition:transform .6s}.catalog-card:hover img{transform:scale(1.035)}.catalog-copy{padding:25px 18px 28px;display:flex;flex-direction:column;flex:1}.item-tag{font-size:14px;color:var(--blue);display:block;margin-bottom:12px}.catalog-copy h3{font-size:22px;line-height:1.5;font-weight:600;margin-bottom:14px}.catalog-copy p{font-size:16px;line-height:1.8;color:var(--muted);margin-bottom:25px}.card-link{display:flex;justify-content:space-between;gap:20px;font-size:15px;color:var(--blue);margin-top:auto}.product-lettering{width:100%;height:100%;min-height:225px;padding:30px;display:flex;flex-direction:column;justify-content:center;background:#e8eef5;color:#194c80}.product-lettering>span{font-size:15px}.product-lettering strong{font:600 clamp(32px,3.5vw,56px)/1.3 Arial,sans-serif;display:block;margin:18px 0;overflow-wrap:anywhere;letter-spacing:-1px}.product-lettering small{font-size:12px;letter-spacing:1.5px;color:#677f97}.related-grid{margin-top:35px}.product-detail-layout{display:grid;grid-template-columns:44% 1fr;gap:70px;align-items:start}.product-portrait{background:#f1f4f7;padding:35px;position:sticky;top:112px}.product-portrait img{width:100%;height:330px;object-fit:contain;mix-blend-mode:multiply}.product-portrait>p{font-size:13px;color:#667888;line-height:1.7;margin-top:25px}.product-portrait .product-lettering{min-height:310px}.product-facts h2{margin:15px 0 20px}.product-facts>p:not(.eyebrow){font-size:17px;line-height:1.9;color:#5c6d7d}.feature-list{display:flex;flex-wrap:wrap;padding:0;margin:25px 0 30px;list-style:none;gap:10px}.feature-list li{font-size:14px;background:#eef4fb;color:#235d9b;padding:9px 12px}.fact-row{padding:20px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:100px 1fr;gap:20px}.fact-row h3{font-size:16px}.fact-row p{font-size:16px;color:#677684;line-height:1.9}.related-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px}.related-links a{font-size:16px;padding:12px 0;border-bottom:1px solid #b2c6db;color:var(--blue)}.faq-list details{border-bottom:1px solid #d1dce7}.faq-list summary{list-style:none;cursor:pointer;padding:23px 0;display:flex;justify-content:space-between;gap:24px;font-size:18px;line-height:1.6}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:25px;color:var(--blue);flex-shrink:0}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{font-size:16px;line-height:1.9;color:#536579;margin:0 0 24px}.faq-list summary:focus-visible{outline:3px solid #ffb958;outline-offset:3px}.connect-band{padding:55px var(--space);background:#175ab9;color:white;display:flex;justify-content:space-between;align-items:center;gap:35px}.connect-band .eyebrow{color:#b3d0f4;font-size:13px}.connect-band h2{font-size:clamp(24px,2.5vw,36px);line-height:1.5;margin:15px 0}.connect-band p:last-child{font-size:16px;color:#ccdef5}.connect-band>a{display:flex;align-items:center;justify-content:space-between;gap:50px;flex-shrink:0;font-size:17px;border:1px solid #ffffff88;padding:18px 25px;transition:background .2s}.connect-band>a:hover{background:#fff;color:var(--blue)}
.solution-directory{padding:25px 0 70px}.solution-row{display:grid;grid-template-columns:1fr 1fr;align-items:center;max-width:1380px;margin:auto;padding:40px var(--space);gap:65px}.solution-row>div{padding:20px 0}.solution-row .article-number{display:block;margin-bottom:30px}.solution-row h2{font-size:34px;line-height:1.5;margin:15px 0}.solution-row p:not(.eyebrow){font-size:17px;line-height:1.9;color:#65788a}.solution-row .card-link{margin-top:30px;max-width:200px}.solution-row figure{position:relative;height:310px;margin:0;overflow:hidden}.solution-row img{width:100%;height:100%;object-fit:cover;transition:transform .8s}.solution-row:hover img{transform:scale(1.04)}.solution-row figcaption{position:absolute;bottom:12px;right:15px;font-size:12px;color:white;text-shadow:0 1px 5px #000}.solution-row:nth-child(even){background:#f2f5f8}.step-list{list-style:none;padding:0;margin:0}.step-list li{display:flex;gap:30px;align-items:flex-start;padding:23px 0;border-bottom:1px solid #d6e1ea}.step-list li:first-child{padding-top:0}.step-list span{font:28px Arial;color:var(--blue)}.step-list p{font-size:18px;line-height:1.7;color:#3c5063}.case-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.case-card{border-bottom:2px solid #d9e2eb;transition:border .2s}.case-card:hover{border-color:var(--blue)}.case-card-photo{height:220px;position:relative;overflow:hidden;background:#e9eef3}.case-card-photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.case-card:hover img{transform:scale(1.04)}.case-card-photo>span{position:absolute;bottom:0;left:0;background:#102a42cc;padding:8px 14px;color:#fff;font-size:12px}.case-card>div:last-child{padding:25px 0}.case-card h3{font-size:23px;line-height:1.5;margin-bottom:15px}.case-card p{font-size:16px;color:#6a7a89;line-height:1.9;margin-bottom:25px}.case-detail{display:grid;grid-template-columns:1fr 1.25fr;gap:65px}.case-detail-copy h2{margin:18px 0}.case-detail-copy>p{font-size:17px;line-height:1.9;color:#5c6e7e}.case-detail-copy .source-note{font-size:14px;padding:20px 0;border-top:1px solid var(--line);margin-top:28px;color:#7c8996}.evidence-gallery{display:grid;gap:30px}.evidence-gallery figure{margin:0;background:#f0f3f6;padding:22px}.evidence-gallery img{width:100%;max-width:629px;margin:auto;object-fit:contain;max-height:390px}.evidence-gallery figcaption,.wide-photo figcaption,.production-main figcaption,.photo-pair figcaption{font-size:13px;color:#677889;margin-top:14px;line-height:1.7}.metrics-band{background:#0e2e4d;color:white;display:grid;grid-template-columns:repeat(4,1fr);padding:65px var(--space);gap:35px}.metrics-band>div{border-right:1px solid #ffffff30}.metrics-band>div:last-child{border:0}.metrics-band strong{display:block;font:clamp(30px,3.8vw,58px)/1.1 Arial;margin-bottom:20px}.metrics-band span{font-size:15px;color:#c1d0de}.wide-photo{margin:0}.wide-photo img{width:100%;height:340px;object-fit:cover}.production-main{margin:0;background:#e5ecf2;padding:28px}.production-main img{width:100%;max-width:826px;margin:auto}.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}.photo-pair figure{margin:0}.photo-pair img{width:100%;height:300px;object-fit:cover}.article-list{border-top:1px solid var(--line);margin-top:28px}.article-row{display:grid;grid-template-columns:55px 1fr 24px;gap:20px;border-bottom:1px solid var(--line);padding:30px 0;align-items:center}.article-number{font:30px Arial;color:#9db0c4}.article-row .item-tag{font-size:14px}.article-row h3{font-size:24px;line-height:1.5;margin-bottom:12px;transition:color .2s}.article-row:hover h3{color:var(--blue)}.article-row p{font-size:16px;color:var(--muted);line-height:1.8}.article-row>span:last-child{font-size:25px;color:var(--blue)}.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:65px}.news-aside{background:#eef3f8;padding:32px;align-self:start}.news-aside h2{font-size:26px;margin-bottom:20px}.news-aside p{font-size:16px;line-height:1.9;color:#697c8e}.aside-download{border-top:1px solid #ccd9e6;padding-top:25px;margin-top:30px}.aside-download h3{font-size:20px;margin-bottom:15px}.aside-download a{display:inline-block;font-size:15px;margin-top:20px;color:var(--blue)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:85px}.article-body .article-meta{font-size:14px;color:#7a8b9c;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:35px}.article-body section{margin-bottom:35px}.article-body h2{font-size:25px;margin-bottom:18px}.article-aside{padding:28px;background:#f1f5f8;position:sticky;top:112px}.article-aside h3{font-size:18px;margin-bottom:20px}.article-aside h3:not(:first-child){margin-top:38px}.article-aside>a{display:block;font-size:15px;line-height:1.7;padding:13px 0;border-bottom:1px solid #dbe4ed}.article-aside>a:hover{color:var(--blue)}.article-aside .aside-phone{font:22px Arial;color:var(--blue)}.article-aside p{font-size:14px;color:#6d8192;margin-top:15px}.download-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:50px;background:#0d3155;color:white}.download-panel .eyebrow{color:#a9c9ed}.download-panel h2{font-size:36px;margin:18px 0}.download-panel p:not(.eyebrow){font-size:17px;color:#cbdaea;margin-bottom:25px}.download-panel div>span{font-size:14px;color:#9db6d0}.download-arrow{font:75px Arial;border:1px solid #ffffff40;width:120px;height:120px;display:grid;place-items:center;transition:background .25s}.download-panel:hover .download-arrow{background:#175ab9}.support-grid{margin-top:75px}.contact-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:75px}.contact-primary h2{margin:20px 0}.phone-display{font:clamp(32px,4vw,56px)/1.4 Arial;color:var(--blue);display:block;margin:20px 0}.contact-primary>p:not(.eyebrow){font-size:16px;color:#657a8f}.address-stack>div{padding:30px 0;border-bottom:1px solid var(--line)}.address-stack>div:first-child{padding-top:0}.address-stack span{font-size:13px;letter-spacing:1px;color:#6e8ba8}.address-stack h3{font-size:24px;margin:17px 0}.address-stack p{font-size:17px;line-height:1.8;color:#5c7184}.copy-feedback{min-height:24px;margin-top:20px}.contact-glyph{font-size:23px!important;font-weight:500}.quick-contact .contact-glyph{display:block!important}
@media(max-width:1150px){.nav{gap:15px}.nav-link{font-size:15px}.brand strong{font-size:24px;letter-spacing:2px}.brand small{font-size:10px}.two-column,.product-detail-layout,.case-detail{gap:40px}.catalog-grid{gap:20px}.catalog-copy h3{font-size:20px}.catalog-image{height:210px}.news-layout,.article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 240px}.solution-row{gap:35px}}
@media(max-width:1000px){.header,.header.scrolled,.header.inner-header,.header:has(.nav-group:hover),.header:has(.nav-group:focus-within){height:76px}.menu-toggle{display:flex;flex-direction:column;gap:7px;width:42px;height:42px;justify-content:center;padding:8px;color:inherit}.menu-toggle span{height:2px;width:26px;background:currentColor;display:block}.header.menu-open{background:white;color:var(--ink)}.menu-open .menu-toggle span:first-child{transform:translateY(4.5px) rotate(45deg)}.menu-open .menu-toggle span:last-child{transform:translateY(-4.5px) rotate(-45deg)}.nav{position:absolute;top:76px;left:0;right:0;background:#fff;color:var(--ink);height:auto;max-height:calc(100svh - 76px);overflow:auto;display:none;padding:14px 28px 25px;box-shadow:0 18px 25px #07234326}.menu-open .nav{display:block}.nav-link{font-size:18px;padding:17px 0;border-bottom:1px solid var(--line)}.nav-link:after{display:none}.nav-group{height:auto}.submenu{display:none}.inner-page{padding-top:76px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-directory{grid-template-columns:1fr;gap:35px}.case-card{display:grid;grid-template-columns:40% 1fr;gap:30px;align-items:center}.case-card-photo{height:230px}.news-layout,.article-layout{grid-template-columns:1fr}.news-aside{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.news-aside .aside-download{grid-column:2;grid-row:1/5;border-top:0;border-left:1px solid #ccd9e6;margin:0;padding:0 0 0 30px}.article-aside{position:static}.product-detail-layout{gap:30px}.product-portrait{padding:20px}.product-portrait img{height:280px}.product-lettering strong{font-size:35px}.fact-row{grid-template-columns:1fr;gap:10px}.connect-band h2{font-size:28px}.photo-pair img{height:230px}}
@media(max-width:600px){.brand small{font-size:10px;letter-spacing:.3px}.brand strong{font-size:22px}.header .brand img,.footer .brand img{width:48px;height:48px}.hero-slide:nth-child(2) .hero-bg{object-position:73% center}.hero-slide:nth-child(3) .hero-bg{object-position:60% center}.hero-slide:nth-child(3) .hero-shade{background:linear-gradient(90deg,#041d35c4,#051d374d),linear-gradient(0deg,#041c35c9,transparent 38%)}.hero .image-note{font-size:12px}.inner-hero{min-height:270px}.inner-hero.has-image{min-height:340px}.inner-hero-copy{padding:45px 24px}.inner-hero h1{font-size:32px;letter-spacing:1px}.inner-hero .eyebrow{font-size:12px;letter-spacing:2px}.inner-hero-copy>p:last-child{font-size:16px;margin-top:18px}.inner-hero .image-note{font-size:12px}.page-section{padding-top:42px;padding-bottom:48px}.section-top{display:block;margin-bottom:25px}.section-top .text-button{margin-top:20px}.section-top h2,.page-section h2{font-size:27px}.section-description{font-size:16px}.breadcrumbs{font-size:13px;gap:8px;padding:17px 0}.two-column,.product-detail-layout,.case-detail,.contact-layout{grid-template-columns:1fr;gap:30px}.catalog-grid{grid-template-columns:1fr}.catalog-image{height:245px}.catalog-copy{padding:23px 10px 28px}.catalog-copy h3{font-size:23px}.filter-bar{gap:8px}.filter-bar button{font-size:14px;padding:10px 13px}.product-portrait{position:static;padding:22px}.product-portrait img{height:245px}.product-lettering strong{font-size:47px}.product-portrait .product-lettering{min-height:245px}.product-facts h2{font-size:27px}.product-facts .dialog-actions{gap:12px}.product-facts .blue-button,.product-facts .secondary-button{font-size:15px}.faq-list summary{font-size:17px}.connect-band{display:block;padding:40px 24px}.connect-band h2{font-size:26px}.connect-band>a{display:inline-flex;margin-top:25px;padding:14px 20px;font-size:16px}.solution-directory{padding-bottom:20px}.solution-row{grid-template-columns:1fr;gap:22px;padding:30px 24px}.solution-row>div{padding:0}.solution-row .article-number{margin-bottom:20px;font-size:25px}.solution-row h2{font-size:29px}.solution-row figure{height:240px}.solution-row .eyebrow{font-size:12px}.step-list p{font-size:17px}.case-card{display:block}.case-card-photo{height:225px}.case-card h3{font-size:23px}.evidence-gallery figure{padding:14px}.metrics-band{grid-template-columns:1fr 1fr;gap:30px 15px;padding:40px 24px}.metrics-band strong{font-size:35px}.metrics-band span{font-size:14px}.metrics-band>div{border:0}.wide-photo img{height:260px}.production-main{padding:14px}.photo-pair{grid-template-columns:1fr;gap:25px}.photo-pair img{height:auto;max-height:300px;object-fit:contain}.body-copy p,.article-body p{font-size:16px}.article-row,.home-news .article-row{grid-template-columns:35px minmax(0,1fr);gap:15px;padding:25px 0}.article-row>span:last-child{display:none}.article-number{font-size:24px}.article-row h3,.home-news .article-row h3{font-size:21px}.news-aside{display:block;padding:28px}.news-aside .aside-download{border-left:0;border-top:1px solid #ccd9e6;padding:25px 0 0;margin-top:30px}.article-body h2{font-size:23px}.article-aside{padding:25px}.download-panel{padding:28px 24px;gap:15px}.download-panel h2{font-size:27px}.download-panel p:not(.eyebrow){font-size:15px}.download-arrow{font-size:38px;width:55px;height:75px;flex-shrink:0}.download-panel .eyebrow{font-size:12px;letter-spacing:1px}.support-grid{margin-top:45px}.phone-display{font-size:37px}.contact-primary .blue-button,.contact-primary .secondary-button{font-size:15px}.address-stack h3{font-size:23px}.address-stack p{font-size:16px}.home-news{padding-top:45px!important;padding-bottom:50px!important}.home-news .section-top h2{font-size:26px}.footer-links a,.footer-links button{font-size:14px}.footer-bottom{font-size:12px}.footer-brand>span{font-size:14px}.footer-call button{font-size:14px}.footer-call button>span{display:block;margin:10px 0 0}.brand small{line-height:1.5}.hero .eyebrow{font-size:12px}.hero-sub{font-size:16px;letter-spacing:1px}}
@media(prefers-reduced-motion:reduce){.catalog-card:hover,.solution-row:hover img,.case-card:hover img{transform:none}}