:root{--ink:#17252f;--muted:#62707a;--blue:#135c8b;--navy:#102d42;--ice:#f1f5f7;--line:#d9e0e4;--white:#fff;--max:1200px;--ease:cubic-bezier(.22,.61,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid #398bc3;outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:600;line-height:1.25}a,button{touch-action:manipulation}[hidden]{display:none!important}.wrap{width:min(var(--max),calc(100% - 112px));margin-inline:auto}.section-space{padding-block:112px}.eyebrow{font-size:14px;font-weight:500;color:var(--blue);margin-bottom:22px;letter-spacing:.08em}h2{font-size:clamp(32px,3.6vw,46px);letter-spacing:-.035em}.skip-link{position:fixed;z-index:100;left:20px;top:-100px;padding:12px 20px;background:#fff}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(23,37,47,.07)}.nav-shell{height:78px;max-width:1440px;padding-inline:56px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand>span:last-child{font-size:20px;letter-spacing:.12em;font-weight:650;line-height:1.1}.brand small{display:block;font-size:9px;letter-spacing:.38em;margin-top:7px;font-weight:500}.brand-symbol{display:flex;gap:4px;transform:skewY(-12deg)}.brand-symbol i{display:block;width:7px;height:25px;background:var(--blue);border-radius:1px}.brand-symbol i:nth-child(2){height:34px}.brand-symbol i:nth-child(3){height:20px}nav{display:flex;align-items:center;gap:42px}nav a{font-size:14px;padding:12px 0;color:#4c565d}nav a:hover{color:var(--blue)}.nav-contact{font-size:14px;padding:8px 16px;border:1px solid var(--line);border-radius:40px;white-space:nowrap}.nav-contact span{margin-left:16px}.menu-toggle{display:none}
.hero{background:#f3f6f8;overflow:hidden}.hero-inner{min-height:650px;display:grid;grid-template-columns:1fr 1.12fr;align-items:center;position:relative}.hero-copy{position:relative;z-index:2;padding-block:68px}.hero .eyebrow{margin-bottom:26px}.hero h1{font-size:clamp(42px,4.7vw,66px);letter-spacing:-.055em;line-height:1.25;font-weight:600}.hero-description{color:#5e6c76;font-size:16px;line-height:1.9;margin-top:28px}.hero-actions{display:flex;gap:28px;align-items:center;margin-top:36px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:12px 24px;border-radius:30px;font-size:14px;font-weight:500;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:white}.primary:hover{background:#0c486e}.text-link{display:inline-flex;align-items:center;gap:14px;font-size:14px;font-weight:500;min-height:44px}.text-link:hover{color:var(--blue)}.text-link span{transition:transform .2s}.text-link:hover span{transform:translate(2px,-2px)}.hero-visual{width:120%;margin-left:-5%;position:relative}.hero-visual img{width:100%;animation:hero-in 1.2s var(--ease) both}.hero-visual figcaption{font-size:12px;letter-spacing:.04em;position:absolute;bottom:3%;right:16%;color:#687782}.hero-bottom{border-top:1px solid #dbe3e8;display:flex;justify-content:space-between;align-items:center;padding-block:22px;font-size:14px;color:#626f78;row-gap:12px}.hero-bottom a{display:flex;gap:20px}.hero-bottom a span{font-size:17px}
.section-heading{display:flex;justify-content:space-between;gap:48px;align-items:flex-end;margin-bottom:48px}.section-heading>p{font-size:16px;line-height:1.9;color:var(--muted);max-width:380px;padding-bottom:4px}.domain-tabs{display:flex;gap:44px;border-bottom:1px solid var(--line);margin-bottom:30px}.domain-tabs button{border:0;background:none;padding:15px 0 20px;font-size:16px;color:var(--muted);position:relative}.domain-tabs button[aria-selected="true"]{color:var(--ink);font-weight:600}.domain-tabs button[aria-selected="true"]:after{content:"";position:absolute;height:3px;bottom:-1px;left:0;right:0;background:var(--blue)}.domain-panel{display:grid;grid-template-columns:.9fr 1.15fr;min-height:570px;border-radius:6px;overflow:hidden}.domain-copy{padding:56px 0 50px 52px;position:relative;z-index:2}.domain-copy h3{font-size:38px;letter-spacing:-.04em;margin-bottom:24px;line-height:1.3}.domain-copy>p{font-size:16px;line-height:1.9;max-width:340px}.equipment-list{list-style:none;padding:0;margin:26px 0 24px;font-size:14px;display:flex;flex-wrap:wrap;gap:8px 16px;max-width:360px}.equipment-list li{padding-bottom:7px;border-bottom:1px solid #ffffff28}.cold-panel{background:#122e42;color:#f3f7fa}.cold-panel .cold-panel .domain-copy>p{color:#bfced8}.cold-panel .text-link:hover{color:#b3dcfa}.cold-visual{position:relative;display:flex;flex-direction:column;justify-content:flex-end;padding:35px 20px 22px 0;min-width:0}.temperature{position:absolute;top:50px;left:8%;z-index:2}.temperature>span{display:block;font-size:14px;color:#b9ccd8;margin-bottom:8px}.temperature strong{font-size:54px;line-height:1;font-weight:400;letter-spacing:-.06em}.temperature strong span{font-size:20px;padding-inline:8px;letter-spacing:0}.temperature sup{font-size:24px;vertical-align:top;line-height:1.4;letter-spacing:0}.cold-visual img{margin-top:85px;width:100%}.domain-panel figcaption{font-size:12px;letter-spacing:.02em;text-align:right;padding-right:16px;color:#adbec9}.lab-panel{background:#edf1f3}.lab-visual{align-self:center;padding:30px 20px}.lab-panel .equipment-list li,.air-panel .equipment-list li{border-color:#c9d8e0}.lab-panel figcaption,.air-panel figcaption{color:#61737e}.air-panel{background:#eaf1f4}.air-visual{align-self:center;padding:20px}.supporting-services{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding-top:36px}.supporting-services h3{font-size:20px;margin-bottom:10px}.supporting-services div p{font-size:16px;color:var(--muted);max-width:460px}
.service{background:#f5f7f8}.service-stages{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:60px}.service-stages article{position:relative;border-top:1px solid #ccd7de;padding-top:24px;display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:12px;align-content:start}.stage-number{font-size:14px;color:#577487;font-variant-numeric:tabular-nums;padding-top:4px}.service-stages h3{font-size:23px;margin-top:0;margin-bottom:18px}.service-stages p{font-size:16px;color:var(--muted);max-width:32em;line-height:1.9;grid-column:2}.service-note{border-top:1px solid var(--line);margin-top:52px;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:30px}.service-note>span{font-size:16px;color:var(--muted)}.service-note a{white-space:nowrap;color:var(--blue)}
.about-top{display:grid;grid-template-columns:1fr 1.15fr;gap:80px}.about-story{padding-top:5px}.about-story .intro{font-size:18px;line-height:1.9}.about-story>p+p{font-size:16px;color:var(--muted);margin-top:24px;line-height:1.95}.about-story .text-link{margin-top:22px;color:var(--blue)}.company-band{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;background:#f2f5f7;padding:45px 54px;margin-top:64px;border-radius:6px}.since span{font-size:14px;color:#61717c;display:block}.since strong{font-size:75px;font-weight:350;letter-spacing:-.06em;line-height:1.2}.company-band>p{font-size:25px;line-height:1.6;letter-spacing:.04em}.company-location{border-left:1px solid #ccd8df;padding-left:44px}.company-location>span{font-size:18px}.audience{margin-top:48px}.audience h3{font-size:20px;font-weight:600;margin-bottom:24px}.audience>div{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.audience span{font-size:16px;color:#66757f}
.contact{background:#102b3e;color:#f5f8fa}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact .eyebrow{color:#acc7d8}.contact h2{font-size:44px}.contact-intro{font-size:16px;color:#b4c5d0;line-height:1.9;margin:24px 0 32px}.light{background:#f5f8fa;color:#19364a}.light:hover{background:#d9e8f2}.contact-details{padding-top:4px}.contact-line{padding-bottom:26px;border-bottom:1px solid #ffffff26;margin-bottom:24px}.contact-details span{font-size:14px;color:#bdcfdb}.contact-line>span{display:block;margin-bottom:8px}.phone{font-size:clamp(28px,3.2vw,43px);letter-spacing:-.03em;line-height:1.4;font-weight:400}.mobile-number>div{display:flex;justify-content:space-between;gap:18px;align-items:center}.mobile-number a{font-size:24px}.mobile-number button{font-size:14px;color:#d6e4ed;border:1px solid #ffffff40;background:transparent;padding:8px 12px;border-radius:5px}.mobile-number button:hover{background:#ffffff12}#copy-status:empty{display:none}#copy-status{font-size:14px;color:#c1dbe9;margin-top:12px}.contact-address,.contact-hours{display:grid;grid-template-columns:80px 1fr;gap:18px;margin-top:20px}.contact-address p,.contact-hours p{font-size:16px;color:#d0dde5}.footer{padding-block:32px}.footer-top,.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-top{font-size:14px;margin-bottom:20px}.footer-top>a{color:var(--muted);font-size:14px}.footer-bottom{font-size:12px;color:#737f87}.footer-bottom p{overflow-wrap:anywhere}
@keyframes hero-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.hero-inner{min-height:710px}.hero-visual{width:130%;margin-left:-6%}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.nav-shell{padding-inline:32px}.hero-inner{min-height:570px;grid-template-columns:1fr 1fr}.hero-visual{width:128%;margin-left:-10%}.hero h1{font-size:48px}.hero-description{font-size:16px}.hero-actions{gap:22px}.domain-copy{padding:42px 0 40px 32px}.domain-copy h3{font-size:32px}.domain-panel{min-height:540px;gap:24px}.temperature strong{font-size:44px}.temperature{left:0}.cold-visual{padding-right:10px}.company-band{padding:36px}.company-location{padding-left:24px}.company-band>p{font-size:21px}.contact-grid{gap:60px}.contact h2{font-size:38px}.section-heading>p{font-size:16px}.about-top{gap:50px}.service-stages{gap:24px}.service-stages h3{font-size:21px}}
@media(max-width:760px){html{scroll-padding-top:80px}.wrap{width:calc(100% - 40px)}.section-space{padding-block:72px}.nav-shell{height:66px;padding-inline:20px;gap:16px}.brand>span:last-child{font-size:17px}.brand-symbol i{width:6px}.nav-contact{margin-left:auto;font-size:14px;padding:6px 12px}.nav-contact span{margin-left:7px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:40px;height:40px;border:0;background:transparent}.menu-toggle span{width:20px;height:1px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;box-shadow:0 10px 18px #17252f10;padding:12px 20px 24px;flex-direction:column;align-items:stretch;gap:0}nav.is-open{display:flex}nav a{padding:14px 0;border-bottom:1px solid #e6ebee}.hero-inner{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:58px 0 0;text-align:center;width:100%}.hero h1{font-size:clamp(38px,8.6vw,62px);letter-spacing:-.04em}.hero .eyebrow{font-size:14px;margin-bottom:20px}.hero-description{font-size:16px;line-height:1.85;margin-top:22px}.hero-actions{margin-top:26px;justify-content:center;gap:26px}.button{padding:11px 20px;font-size:14px;gap:20px}.text-link{font-size:14px}.hero-visual{width:min(115%,600px);margin:-6px -7.5% 0}.hero-visual figcaption{font-size:12px;right:12%;bottom:5%}.hero-bottom{padding-block:16px;gap:12px;font-size:14px;flex-wrap:wrap;row-gap:12px}.hero-bottom>a{display:none}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:24px;font-size:16px}.eyebrow{font-size:14px;margin-bottom:16px}h2{font-size:33px}.domain-tabs{gap:0;justify-content:space-between;margin-bottom:20px}.domain-tabs button{font-size:14px;padding:16px 2px;min-height:48px}.domain-panel{display:block;min-height:0}.domain-copy{padding:32px 28px 0}.domain-copy h3{font-size:32px;margin-bottom:18px}.domain-copy>p{max-width:none;font-size:16px}.equipment-list{font-size:14px;margin-block:22px 14px;max-width:none}.cold-visual{min-height:340px;padding:100px 12px 20px;overflow:hidden}.cold-visual img{margin-top:0}.temperature{top:20px;left:28px}.temperature strong{font-size:42px}.temperature>span{font-size:14px}.temperature sup{font-size:20px}.domain-panel figcaption{font-size:12px}.lab-visual{padding-top:0}.air-visual{padding-top:0}.supporting-services{grid-template-columns:1fr 1fr;gap:24px;padding-top:36px}.supporting-services>div{display:block}.supporting-services h3{font-size:20px;line-height:1.7;margin:0 0 12px}.supporting-services div p{font-size:16px;max-width:none}.service-stages{grid-template-columns:1fr 1fr;gap:40px 26px;margin-top:38px}.service-stages h3{font-size:20px;margin-top:0;margin-bottom:18px}.service-stages p{font-size:16px;grid-column:2}.service-note{display:block;margin-top:36px}.service-note>span{font-size:16px;display:block}.service-note a{margin-top:12px}.about-top{grid-template-columns:1fr;gap:30px}.about-story .intro{font-size:16px}.about-story>p+p{font-size:16px}.company-band{grid-template-columns:1fr 1fr;gap:26px;padding:30px 26px;margin-top:34px}.since strong{font-size:64px}.company-band>p{font-size:18px}.company-location{grid-column:1/-1;border-left:0;border-top:1px solid #ccd8df;padding:20px 0 0;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center}.company-location>span{font-size:18px}.audience{margin-top:34px}.audience>div{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px}.audience span{font-size:16px}.audience h3{font-size:20px;font-weight:600;margin-bottom:24px}.contact-grid{grid-template-columns:1fr;gap:48px}.contact h2{font-size:35px}.contact-intro{font-size:16px}.phone{font-size:37px}.mobile-number a{font-size:22px}.mobile-number button{font-size:14px}.contact-address,.contact-hours{grid-template-columns:60px 1fr;gap:16px}.contact-address p,.contact-hours p{font-size:16px}.footer{padding-block:28px}.footer-top{font-size:14px;gap:12px}.footer-bottom{gap:6px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.text-link svg,.button svg{width:16px;height:16px;flex-shrink:0;transition:transform .2s}.text-link:hover svg{transform:translate(2px,-2px)}.nav-contact svg{width:14px;height:14px;vertical-align:-2px;margin-left:12px}.mobile-number button svg{width:12px;height:12px;vertical-align:-2px;margin-left:6px}

/* Readable layouts: reduce columns before reducing body type. */
@media (max-width: 1050px) {
  .service-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
}
@media (max-width: 760px) {
  .supporting-services { gap: 30px; }
  .supporting-services div p { max-width: none; }
  .domain-tabs button { flex: 1; padding-inline: 6px; text-wrap: balance; }
  .hero-description { max-width: 32em; margin-inline: auto; }
  .hero-visual figcaption { right: 9%; }
  .company-location { padding-top: 22px; }
  .contact-address, .contact-hours { grid-template-columns: 70px minmax(0,1fr); }
  .mobile-number > div { flex-wrap: wrap; row-gap: 12px; }
  .service-stages { gap: 32px; }
}
@media (max-width: 520px) {
  .supporting-services, .service-stages { grid-template-columns: 1fr; }
  .service-stages article { grid-template-columns: 28px minmax(0,1fr); }
  .hero-actions { gap: 20px; flex-wrap: wrap; }
  .nav-shell { gap: 8px; }
  .nav-contact { padding-inline: 10px; }
  .nav-contact svg { margin-left: 5px; }
  .hero-bottom { display: block; }
  .hero-bottom > span { display: block; }
  .hero-bottom > span + span { margin-top: 4px; }
}