@font-face{font-family:Outfit;src:url("fonts/outfit-400.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:Outfit;src:url("fonts/outfit-500.ttf") format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:Outfit;src:url("fonts/outfit-600.ttf") format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:Outfit;src:url("fonts/outfit-700.ttf") format("truetype");font-weight:700;font-display:swap}
:root{--ink:#0c1720;--navy:#071622;--navy-soft:#102735;--steel:#47606d;--mist:#edf1f2;--paper:#f7f8f6;--white:#fff;--accent:#ffb000;--accent-dark:#8b5a00;--line:rgba(12,23,32,.15);--max:1380px;--radius:6px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--navy)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Outfit,"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,p,figure,blockquote{margin:0}
h1,h2,h3{letter-spacing:0;text-wrap:balance}
.site-main{overflow-x:hidden;width:100%;max-width:100%}
.skip-link{position:fixed;left:16px;top:10px;z-index:999;padding:10px 16px;background:var(--accent);color:var(--ink);font-weight:700;transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
.max-w-6xl{max-width:72rem}
.site-header{position:fixed;z-index:100;left:0;right:0;top:0;padding:14px clamp(16px,3vw,42px);pointer-events:none}
.nav-shell{width:min(var(--max),100%);min-height:74px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 16px 0 20px;background:rgba(7,22,34,.93);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);box-shadow:0 14px 40px rgba(0,0,0,.18);backdrop-filter:blur(18px);color:#fff;pointer-events:auto}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.brand img{width:66px;height:44px;object-fit:contain;background:transparent}
.brand strong,.brand small{display:block}
.brand strong{font-size:15px;line-height:1.25;font-weight:600}
.brand small{margin-top:2px;color:rgba(255,255,255,.54);font-size:11px}
.desktop-nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,34px);font-size:13px;font-weight:500}
.desktop-nav a{position:relative;color:rgba(255,255,255,.68);transition:color .25s ease}
.desktop-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:#fff}
.desktop-nav a:hover::after,.desktop-nav a.active::after{transform:scaleX(1)}
.menu-button{display:none;width:46px;height:42px;padding:9px;border:0;background:transparent;color:#fff;cursor:pointer}
.menu-button span{display:block;width:20px;height:1px;margin:4px auto;background:currentColor;transition:.3s ease}
.menu-button b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.mobile-menu{display:none;pointer-events:auto}
.home-hero,.page-hero{min-height:calc(100svh - 28px);padding:112px clamp(18px,4vw,64px) 34px;background:var(--navy);color:#fff;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(420px,.88fr);gap:clamp(36px,6vw,96px);align-items:center}
.home-hero{padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}
.hero-copy,.page-hero-copy{position:relative;z-index:2}
.eyebrow{display:block;margin-bottom:22px;color:var(--accent-dark);font-size:12px;font-weight:700}
.eyebrow.light{color:var(--accent)}
.home-hero h1,.page-hero h1,.contact-hero h1{font-size:clamp(3rem,5vw,5.5rem);line-height:1.02;font-weight:600}
.home-hero p,.page-hero p,.contact-hero p{max-width:690px;margin-top:26px;color:rgba(255,255,255,.72);font-size:clamp(16px,1.35vw,20px)}
.hero-actions,.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:0 21px;border:1px solid var(--ink);border-radius:3px;font-size:14px;font-weight:600;transition:transform .25s ease,background .25s ease,color .25s ease}
.button svg,.product-meta svg,.certificate-card svg,.contact-links svg,.back-link svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;transition:transform .3s ease}
.button:hover{transform:translateY(-2px)}
.button:hover svg,.product-meta a:hover svg,.certificate-card a:hover svg,.contact-links a:hover svg{transform:translateX(4px)}
.button-accent{border-color:var(--accent);background:var(--accent);color:var(--ink)}
.button-outline{border-color:rgba(255,255,255,.45);background:transparent;color:#fff}
.button-outline:hover{border-color:#fff;background:#fff;color:var(--ink)}
.button-solid{background:var(--ink);color:#fff}
.button-light{border-color:#fff;background:#fff;color:var(--ink)}
.hero-media,.page-hero-media{position:relative;height:min(72vh,720px);min-height:500px;overflow:hidden;border-radius:var(--radius);background:#d9dedd}
.hero-media img,.page-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.image-hover{overflow:hidden}
.image-hover:hover>img,.image-hover:hover a>img{transform:scale(1.035)!important}
.hero-media figcaption,.page-hero-media figcaption{position:absolute;left:18px;right:18px;bottom:18px;display:flex;justify-content:space-between;gap:24px;padding:15px 17px;background:rgba(7,22,34,.86);border:1px solid rgba(255,255,255,.14);color:#fff;backdrop-filter:blur(12px);font-size:12px}
.hero-media figcaption span{color:rgba(255,255,255,.6)}
.scope-marquee{overflow:hidden;padding:24px 0;background:var(--accent);color:var(--ink)}
.scope-track{display:flex;width:max-content;animation:marquee 34s linear infinite}
.scope-track span{display:flex;align-items:center;gap:28px;padding-right:28px;font-size:17px;font-weight:600;white-space:nowrap}
.scope-track span::after{content:"";width:6px;height:6px;background:var(--ink);transform:rotate(45deg)}
@keyframes marquee{to{transform:translateX(-50%)}}
.chapter{padding:clamp(110px,13vw,190px) max(20px,calc((100vw - var(--max))/2))}
.chapter-heading{max-width:980px;margin-bottom:clamp(52px,7vw,92px)}
.chapter-heading h2,.split-heading h2,.contact-title h2{font-size:clamp(2.5rem,4.7vw,5rem);line-height:1.04;font-weight:600}
.chapter-heading p,.split-copy p,.contact-title p{max-width:720px;margin-top:24px;color:var(--steel);font-size:17px}
.foundation-bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:dense;gap:12px}
.bento-card{min-height:290px;padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.bento-card.span-7{grid-column:span 7}.bento-card.span-5{grid-column:span 5}.bento-card.span-4{grid-column:span 4}
.bento-card>span,.bento-card>p{color:var(--steel);font-size:14px}
.bento-card>strong{font-size:clamp(2.8rem,5vw,5.4rem);line-height:.92;font-weight:500}
.bento-card>strong small{font-size:15px;font-weight:500}
.bento-year{background:var(--navy);color:#fff}
.bento-year>span,.bento-year>small{color:rgba(255,255,255,.56)}
.bento-year>small{font-size:14px}
.bento-image{position:relative;padding:0;color:#fff}
.bento-image>img{width:100%;height:100%;object-fit:cover}
.bento-image::after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(7,22,34,.88))}
.bento-image>div{position:absolute;z-index:1;left:28px;right:28px;bottom:26px;display:flex;justify-content:space-between;gap:20px;align-items:end}
.bento-image span{color:rgba(255,255,255,.6);font-size:12px}.bento-image strong{max-width:420px;text-align:right;font-size:21px}
.dark-chapter{background:var(--navy);color:#fff}
.light-heading p{color:rgba(255,255,255,.62)}
.product-accordion{display:flex;gap:8px;height:610px;overflow:hidden}
.accordion-panel{position:relative;flex:1;min-width:0;overflow:hidden;border-radius:var(--radius);background:#fff;transition:flex .7s cubic-bezier(.2,.75,.2,1)}
.accordion-panel.active,.accordion-panel:hover{flex:4}
.accordion-panel img{width:100%;height:100%;object-fit:contain;padding:40px;background:#f5f6f4;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.accordion-panel:hover img{transform:scale(1.04)}
.panel-index{position:absolute;top:18px;left:18px;width:40px;height:30px;display:grid;place-items:center;background:rgba(7,22,34,.88);color:#fff;font-size:11px}
.panel-copy{position:absolute;left:0;right:0;bottom:0;padding:80px 24px 22px;background:linear-gradient(transparent,rgba(7,22,34,.94));color:#fff;opacity:0;transform:translateY(18px);transition:.5s ease}
.accordion-panel.active .panel-copy,.accordion-panel:hover .panel-copy{opacity:1;transform:none}
.panel-copy small,.panel-copy strong,.panel-copy span{display:block}.panel-copy small{color:var(--accent)}.panel-copy strong{font-size:26px}.panel-copy span{margin-top:6px;color:rgba(255,255,255,.62);font-size:12px}
.chapter-link{margin-top:34px}
.stack-layout{display:grid;grid-template-columns:minmax(270px,.65fr) minmax(0,1.35fr);gap:clamp(38px,7vw,100px);align-items:start}
.stack-intro{position:sticky;top:130px}.stack-intro p{max-width:420px;color:var(--steel);font-size:18px}.stack-intro .button{margin-top:26px}
.stack-cards{display:grid;gap:56px}
.stack-card{position:sticky;top:130px;min-height:430px;padding:clamp(28px,4vw,52px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 24px 70px rgba(7,22,34,.10);display:grid;grid-template-columns:minmax(220px,.72fr) minmax(280px,1.28fr);gap:36px;align-items:center;overflow:hidden}
.stack-card:nth-child(2){top:150px;background:#e8edef}.stack-card:nth-child(3){top:170px;background:var(--navy);color:#fff}
.stack-card span{color:var(--accent-dark);font-size:12px;font-weight:600}.stack-card:nth-child(3) span{color:var(--accent)}
.stack-card h3{margin-top:14px;font-size:clamp(2rem,3.6vw,3.8rem);line-height:1.02;font-weight:600}
.stack-card p{margin-top:18px;color:var(--steel)}.stack-card:nth-child(3) p{color:rgba(255,255,255,.62)}
.stack-card img{width:100%;height:320px;object-fit:contain;padding:18px;background:#fff;border-radius:3px}
.certificate-preview{background:#e9eeef}
.certificate-carousel{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(320px,1.1fr);gap:clamp(36px,7vw,100px);align-items:center}
.certificate-stage{height:680px;padding:34px;background:#dce2e3;border-radius:var(--radius)}
.certificate-stage a{display:block;width:100%;height:100%}
.certificate-stage img{width:100%;height:100%;object-fit:contain;background:#fff;box-shadow:0 18px 50px rgba(7,22,34,.16)}
.certificate-controls{display:flex;justify-content:space-between;gap:24px;align-items:end;padding-bottom:28px;border-bottom:1px solid var(--line)}
.certificate-controls span{color:var(--accent-dark);font-size:12px;font-weight:600}.certificate-controls h3{margin-top:10px;font-size:clamp(2rem,3vw,3.2rem);line-height:1.05}.certificate-controls p{margin-top:12px;color:var(--steel)}
.carousel-arrows{display:flex;gap:8px}.carousel-arrows button{width:48px;height:48px;border:1px solid var(--ink);background:transparent;display:grid;place-items:center;cursor:pointer}.carousel-arrows svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.7}
.certificate-tabs{display:grid;grid-template-columns:1fr 1fr;margin-top:24px}.cert-tab{padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--steel);text-align:left;cursor:pointer}.cert-tab:nth-child(even){padding-left:22px}.cert-tab.active{color:var(--ink);font-weight:600}
.closing-cta{padding:clamp(80px,10vw,140px) max(20px,calc((100vw - var(--max))/2));background:var(--navy);color:#fff;display:flex;justify-content:space-between;gap:56px;align-items:end}
.closing-cta h2{max-width:860px;font-size:clamp(2.5rem,5vw,5.2rem);line-height:1.02;font-weight:600}.closing-cta p{max-width:680px;margin-top:22px;color:rgba(255,255,255,.62)}.closing-cta .cta-actions{flex:0 0 auto}
.page-hero{padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}
.page-hero-media.product-paper,.certificate-hero-paper{padding:40px;background:#e6eaeb}.page-hero-media.product-paper img,.certificate-hero-paper img{object-fit:contain;background:#fff}
.large-statement{max-width:1180px}.large-statement p{font-size:clamp(2rem,4vw,4.4rem);line-height:1.25;color:#71818a}.large-statement strong{color:var(--ink);font-weight:600}
.timeline-stack{display:grid;gap:40px;max-width:980px;margin-left:auto}.timeline-stack .stack-card{min-height:260px;grid-template-columns:220px 1fr}.timeline-stack .stack-card>span{font-size:clamp(2rem,3.8vw,4rem);color:var(--accent-dark)}.timeline-stack .stack-card:nth-child(3)>span{color:var(--accent)}
.facts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.facts-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.facts-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.facts-grid article{min-height:220px;padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;background:#fff}
.facts-grid strong{font-size:clamp(2.3rem,4.2vw,4.5rem);line-height:1;font-weight:500}.facts-grid strong small{font-size:14px}.facts-grid span{color:var(--steel)}
.spirit-band{background:var(--accent)}.spirit-band>span{font-size:12px;font-weight:700}.spirit-band blockquote{max-width:1120px;margin-top:18px;font-size:clamp(2.5rem,5.5vw,6rem);line-height:1.03;font-weight:600}.spirit-band p{max-width:760px;margin-top:28px}
.catalog-chapter{background:#f0f2f1}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.product-image{display:block;height:390px;padding:28px;background:#f8f9f7}.product-image img{width:100%;height:100%;object-fit:contain;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.product-meta{display:grid;grid-template-columns:1fr auto;gap:4px 20px;align-items:center;padding:22px;border-top:1px solid var(--line)}.product-meta>span{color:var(--steel);font-size:12px}.product-meta h3{font-size:20px;font-weight:600}.product-meta>a{grid-column:2;grid-row:1/3;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line)}
.manufacturing-facts{padding-top:90px;padding-bottom:0}.manufacturing-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.72fr);gap:clamp(44px,8vw,120px)}.split-copy p+ p{margin-top:18px}
.equipment-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:dense;gap:12px}.equipment-card{grid-column:span 6}.equipment-card:first-child{grid-column:span 7}.equipment-card:nth-child(2){grid-column:span 5}.equipment-card:last-child{grid-column:span 12}
.equipment-image{height:430px;background:#fff;border-radius:var(--radius);padding:16px}.equipment-image img{width:100%;height:100%;object-fit:contain;transition:transform .8s cubic-bezier(.2,.7,.2,1)}.equipment-card>span{display:block;margin-top:12px;color:rgba(255,255,255,.6);font-size:12px}
.certificate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.certificate-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.paper-frame{display:block;height:540px;padding:30px;background:#e5eaeb}.paper-frame img{width:100%;height:100%;object-fit:contain;background:#fff;box-shadow:0 12px 28px rgba(7,22,34,.12);transition:transform .8s cubic-bezier(.2,.7,.2,1)}.certificate-card>div{padding:22px}.certificate-card h3{font-size:18px}.certificate-card>div a{display:flex;align-items:center;gap:12px;margin-top:12px;color:var(--steel);font-size:12px}.certificate-card svg{width:17px}
.standards-band{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line)}.standards-band>div{min-height:250px;padding:34px;background:#fff;display:flex;flex-direction:column}.standards-band span{color:var(--accent-dark);font-weight:600}.standards-band strong{margin-top:auto;font-size:24px}.standards-band small{margin-top:8px;color:var(--steel)}
.contact-hero{position:relative;min-height:88svh;padding:130px max(20px,calc((100vw - var(--max))/2));display:flex;align-items:end;overflow:hidden;color:#fff}.contact-hero>img,.contact-overlay{position:absolute;inset:0;width:100%;height:100%}.contact-hero>img{object-fit:cover}.contact-overlay{background:linear-gradient(90deg,rgba(7,22,34,.96),rgba(7,22,34,.52) 60%,rgba(7,22,34,.12)),linear-gradient(0deg,rgba(7,22,34,.72),transparent 55%)}.contact-copy{position:relative;z-index:1;padding-bottom:40px}
.contact-information{display:grid;grid-template-columns:minmax(0,.8fr) minmax(420px,1.2fr);gap:clamp(44px,8vw,130px)}.contact-list{border-top:1px solid var(--line)}.contact-list article{display:grid;grid-template-columns:130px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.contact-list span{color:var(--steel)}.contact-list strong{font-size:20px}
.contact-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-top:0}.contact-links a{min-height:260px;padding:28px;border:1px solid var(--line);display:grid;grid-template-columns:1fr auto;align-content:space-between;transition:.3s ease}.contact-links a+a{border-left:0}.contact-links a:hover{background:var(--accent)}.contact-links span{grid-column:1/3;color:var(--steel)}.contact-links strong{font-size:32px}.contact-links svg{align-self:center}
.detail-hero{min-height:100svh;padding:130px max(20px,calc((100vw - var(--max))/2)) 60px;display:grid;grid-template-columns:minmax(0,.75fr) minmax(460px,1.25fr);gap:clamp(44px,7vw,110px);align-items:center}.detail-copy h1{font-size:clamp(3rem,6vw,6.5rem);line-height:1}.detail-copy p{max-width:590px;margin-top:26px;color:var(--steel);font-size:18px}.back-link{display:inline-flex;align-items:center;gap:10px;margin-bottom:70px;font-size:13px}.back-link svg{width:18px}.detail-image{height:680px;padding:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.detail-image img{width:100%;height:100%;object-fit:contain;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.detail-facts{padding-top:0}.detail-facts .facts-grid strong{font-size:24px;line-height:1.25}
.site-footer{padding:90px max(20px,calc((100vw - var(--max))/2)) 24px;background:#050f16;color:#fff}.footer-main{display:grid;grid-template-columns:minmax(320px,1.2fr) minmax(220px,.6fr) minmax(240px,.6fr);gap:60px;padding-bottom:80px}.footer-brand img{width:86px;height:58px;object-fit:contain}.footer-brand h2{max-width:480px;margin-top:28px;font-size:clamp(1.8rem,3vw,3rem);line-height:1.08}.footer-brand p{max-width:460px;margin-top:18px;color:rgba(255,255,255,.52)}.footer-nav>span,.footer-address>span{display:block;margin-bottom:20px;color:rgba(255,255,255,.42);font-size:12px}.footer-nav a{display:block;margin:9px 0;color:rgba(255,255,255,.72)}.footer-nav a.active{color:var(--accent)}.footer-address strong{font-size:20px;line-height:1.5}.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.44);font-size:12px}.footer-bottom a:hover{color:#fff}
@media(max-width:980px){
  .desktop-nav{display:none}.menu-button{display:block}.mobile-menu{position:absolute;top:92px;left:16px;right:16px;padding:12px;background:var(--navy);border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 60px rgba(0,0,0,.3);pointer-events:auto}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:13px 12px;color:rgba(255,255,255,.72);border-bottom:1px solid rgba(255,255,255,.08)}.mobile-menu a.active{color:var(--accent)}
  .home-hero,.page-hero{grid-template-columns:1fr;min-height:auto;padding-top:130px}.home-hero{padding-bottom:30px}.hero-media,.page-hero-media{height:58vw;min-height:440px}
  .foundation-bento .span-7,.foundation-bento .span-5{grid-column:span 6}.foundation-bento .span-4{grid-column:span 4}
  .stack-layout{grid-template-columns:1fr}.stack-intro{position:static}.stack-card{grid-template-columns:1fr;position:relative!important;top:auto!important}.stack-card img{height:300px}
  .certificate-carousel{grid-template-columns:1fr}.certificate-stage{height:620px}
  .closing-cta{display:block}.closing-cta .cta-actions{margin-top:36px}
  .product-grid,.certificate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .manufacturing-copy,.contact-information{grid-template-columns:1fr}
  .facts-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .detail-hero{grid-template-columns:1fr;padding-top:130px}.detail-image{height:580px}.back-link{margin-bottom:45px}
  .footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}
}
@media(max-width:680px){
  .site-header{padding:9px}.nav-shell{min-height:66px;padding:0 10px}.brand img{width:56px;height:38px}.brand strong{max-width:195px;font-size:12px}.brand small{display:none}.mobile-menu{top:78px;left:9px;right:9px}
  .home-hero,.page-hero{padding:104px 18px 24px;gap:30px}.home-hero h1,.page-hero h1,.contact-hero h1{font-size:clamp(2.65rem,12vw,4.2rem)}.home-hero p,.page-hero p{margin-top:18px}.hero-media,.page-hero-media{height:62vh;min-height:420px}.hero-media figcaption,.page-hero-media figcaption{display:block}.hero-media figcaption strong{display:block;margin-top:3px}
  .chapter{padding:100px 18px}.chapter-heading{margin-bottom:46px}.chapter-heading h2,.split-heading h2,.contact-title h2{font-size:clamp(2.25rem,10vw,3.6rem)}
  .foundation-bento{grid-template-columns:1fr}.foundation-bento .span-7,.foundation-bento .span-5,.foundation-bento .span-4{grid-column:auto}.bento-card{min-height:250px}.bento-image{min-height:360px}.bento-image>div{display:block}.bento-image strong{display:block;margin-top:4px;text-align:left}
  .product-accordion{height:auto;display:grid}.accordion-panel,.accordion-panel.active,.accordion-panel:hover{height:420px;flex:none}.panel-copy{opacity:1;transform:none}.accordion-panel img{padding:25px}
  .stack-card{min-height:0;padding:24px;gap:22px}.stack-card img{height:250px}
  .certificate-stage{height:520px;padding:18px}.certificate-controls{display:block}.carousel-arrows{margin-top:22px}.certificate-tabs{grid-template-columns:1fr}.cert-tab:nth-child(even){padding-left:0}
  .closing-cta{padding:90px 18px}.closing-cta h2{font-size:clamp(2.3rem,11vw,3.8rem)}.cta-actions .button{width:100%}
  .large-statement p{font-size:clamp(1.8rem,8vw,3rem)}.timeline-stack .stack-card{grid-template-columns:1fr}.timeline-stack .stack-card>span{font-size:2.6rem}
  .facts-grid,.facts-grid.four,.facts-grid.three{grid-template-columns:1fr}.facts-grid article{min-height:180px}
  .spirit-band blockquote{font-size:clamp(2.4rem,11vw,4rem)}
  .product-grid,.certificate-grid{grid-template-columns:1fr}.product-image{height:340px}.paper-frame{height:500px}
  .equipment-grid{grid-template-columns:1fr}.equipment-card,.equipment-card:first-child,.equipment-card:nth-child(2),.equipment-card:last-child{grid-column:auto}.equipment-image{height:340px}
  .standards-band{grid-template-columns:1fr}.standards-band>div{min-height:210px}
  .contact-hero{min-height:78svh;padding:110px 18px 60px}.contact-information{padding-left:18px;padding-right:18px}.contact-list article{grid-template-columns:1fr;gap:5px}.contact-links{grid-template-columns:1fr;padding-left:18px;padding-right:18px}.contact-links a+a{border-left:1px solid var(--line);border-top:0}
  .detail-hero{padding:110px 18px 40px;grid-template-columns:1fr}.detail-image{height:420px;padding:20px}.back-link{margin-bottom:40px}.detail-copy h1{font-size:3.7rem}
  .footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom a{display:block;margin-top:8px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}