/* =========================================================
   Tokens
   ========================================================= */
:root{
  --ink:#0e1726;
  --ink-2:#18212f;
  --text:#2a313c;
  --muted:#6b717b;
  --faint:#a1a6ad;
  --line:#e4e4df;
  --line-strong:#d3d3cc;
  --paper:#ffffff;
  --stone:#f5f5f2;
  --brand:#0a4f9e;
  --brand-ink:#083d7a;

  --sans:"PingFang SC","HarmonyOS Sans SC","MiSans","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --num:"DIN Alternate","DIN Next LT Pro","Bahnschrift","Helvetica Neue",Arial,sans-serif;

  --wrap:1280px;
  --gutter:clamp(20px,5vw,64px);
  --header:84px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header)}
body{font-family:var(--sans);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--ink);font-weight:600;line-height:1.25;text-wrap:balance}
p{text-wrap:pretty}
::selection{background:var(--ink);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
/* tab panels and other toggled blocks: the hidden attribute must beat display:grid/flex rules */
[hidden]{display:none!important}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:0}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* arrow: a hairline that grows on hover */
.arw{position:relative;display:inline-block;width:22px;height:9px;flex:none;transition:width .45s var(--ease)}
.arw::before{content:"";position:absolute;left:0;right:1px;top:4px;height:1px;background:currentColor}
.arw::after{content:"";position:absolute;right:1px;top:1px;width:6px;height:6px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}

/* section label: 01 — 检测服务 */
.label{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);letter-spacing:.08em}
.label .num{color:var(--ink);font-size:13px;letter-spacing:.06em}
.label i{width:28px;height:1px;background:currentColor;opacity:.5}

.btn{display:inline-flex;align-items:center;gap:16px;height:54px;padding:0 30px;background:var(--ink);color:#fff;font-size:15px;letter-spacing:.04em;transition:background .3s var(--ease)}
.btn:hover{background:var(--brand)}
.btn:hover .arw{width:32px}
.ulink{position:relative;display:inline-flex;align-items:center;gap:12px;font-size:15px;color:var(--ink);padding:6px 0}
.ulink::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform-origin:right;transition:transform .5s var(--ease)}
.ulink:hover::after{transform:scaleX(0)}
.ulink:hover .arw{width:32px}

/* ruler: the measuring-scale motif used as a quiet divider */
.ruler{height:10px;background:
  repeating-linear-gradient(90deg,currentColor 0 1px,transparent 1px 80px) bottom/100% 10px no-repeat,
  repeating-linear-gradient(90deg,currentColor 0 1px,transparent 1px 8px) bottom/100% 4px no-repeat;opacity:.22}

/* =========================================================
   Header
   ========================================================= */
.header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .4s var(--ease)}
.header.scrolled{box-shadow:0 1px 0 var(--line),0 10px 30px -18px rgba(14,23,38,.18)}
.header .wrap{display:flex;align-items:center;height:var(--header);gap:40px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:46px;width:auto}
.nav{display:flex;align-self:stretch;margin-left:auto}
.nav>li{display:flex}
.nav>li>a{position:relative;display:flex;align-items:center;padding:0 22px;font-size:15px;font-weight:500;color:var(--ink);letter-spacing:.02em;transition:color .25s}
.nav>li>a::after{content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2px;background:var(--brand);transform:scaleX(0);transition:transform .45s var(--ease)}
.nav>li:hover>a,.nav>li.current>a{color:var(--brand)}
.nav>li:hover>a::after,.nav>li.current>a::after,.nav>li:focus-within>a::after{transform:scaleX(1)}
.h-aside{display:flex;align-items:center;gap:28px;padding-left:32px;border-left:1px solid var(--line);height:34px}
.hotline{display:flex;flex-direction:column;line-height:1.2}
.hotline small{font-size:12px;color:var(--muted);letter-spacing:.06em}
.hotline b{font-family:var(--num);font-size:19px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.lang{display:flex;gap:10px;font-size:13px;color:var(--faint)}
.lang a:hover,.lang .on{color:var(--ink)}

/* mega menu */
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(14,23,38,.25);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
.nav>li:hover .mega,.nav>li:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega .wrap{display:grid;grid-template-columns:320px 1fr;gap:64px;height:auto;padding-block:44px 52px;align-items:start}
.mega-intro figure{aspect-ratio:16/10;overflow:hidden;background:var(--stone)}
.mega-intro img{width:100%;height:100%;object-fit:cover}
.mega-intro h3{margin-top:22px;font-size:20px}
.mega-intro p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
.mega-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.mega-cols h4{display:flex;gap:10px;align-items:baseline;font-size:15px;padding-bottom:14px;margin-bottom:10px;border-bottom:1px solid var(--line)}
.mega-cols h4 .num{font-size:12px;color:var(--faint);font-weight:400}
.mega-cols a{position:relative;display:block;padding:7px 0;font-size:14px;color:var(--muted);transition:color .25s,padding .35s var(--ease)}
.mega-cols a::before{content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--brand);transition:width .35s var(--ease)}
.mega-cols a:hover{color:var(--brand);padding-left:18px}
.mega-cols a:hover::before{width:10px}

.burger{display:none;width:44px;height:44px;margin-right:-10px;position:relative}
.burger i,.burger::before,.burger::after{content:"";position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .35s var(--ease),opacity .2s}
.burger::before{top:16px}.burger i{top:21.5px}.burger::after{top:27px}
.burger[aria-expanded=true]::before{transform:translateY(5.5px) rotate(45deg)}
.burger[aria-expanded=true] i{opacity:0}
.burger[aria-expanded=true]::after{transform:translateY(-5.5px) rotate(-45deg)}

/* =========================================================
   Hero — full-bleed slides, light & dark themes
   ========================================================= */
.hero{
  --fg:#fff;--fg-2:rgba(255,255,255,.74);--fg-3:rgba(255,255,255,.5);--rule:rgba(255,255,255,.08);--track:rgba(255,255,255,.22);
  position:relative;height:calc(100svh - var(--header));min-height:620px;max-height:980px;overflow:hidden;background:#eef0f3;color:var(--fg);isolation:isolate}
.hero[data-theme=light]{--fg:var(--ink);--fg-2:var(--muted);--fg-3:rgba(14,23,38,.42);--rule:rgba(14,23,38,.06);--track:rgba(14,23,38,.14)}
.slides,.slide{position:absolute;inset:0}
.slide{opacity:0;transition:opacity 1.6s var(--ease)}
.slide.on{opacity:1;z-index:1}
.slide picture{display:contents}
.slide img{width:100%;height:100%;object-fit:cover;object-position:var(--pos,center);transform:scale(1.08);transition:transform 9s cubic-bezier(.25,.1,.25,1)}
.slide.on img{transform:scale(1)}
.slide::before,.slide::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none}
/* light key visual: keep the left side clean for type */
.slide[data-theme=light]::after{background:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.72) 32%,rgba(255,255,255,0) 52%),linear-gradient(0deg,rgba(255,255,255,.72) 0%,rgba(255,255,255,0) 20%)}
/* dark photo: ink wash + fine grain */
.slide[data-theme=dark] img{filter:saturate(.8) contrast(1.04)}
.slide[data-theme=dark]::after{background:
  linear-gradient(90deg,rgba(7,14,25,.88) 0%,rgba(7,14,25,.7) 36%,rgba(7,14,25,.32) 70%,rgba(7,14,25,.18) 100%),
  linear-gradient(0deg,rgba(7,14,25,.55) 0%,rgba(7,14,25,0) 34%)}
.slide[data-theme=dark]::before{z-index:2;opacity:.12;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-in{position:relative;z-index:3;height:100%}
.caps-stack{display:grid;height:100%;width:min(760px,100%)}
.cap{grid-area:1/1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-bottom:40px;visibility:hidden;transition:visibility 0s .5s}
.cap.on{visibility:visible;transition-delay:0s}
.cap>*{opacity:0;transform:translateY(22px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.cap.on>*{opacity:1;transform:none;transition:opacity 1s var(--ease-out),transform 1.1s var(--ease-out)}
.cap.on>:nth-child(1){transition-delay:.3s}
.cap.on>:nth-child(2){transition-delay:.4s}
.cap.on>:nth-child(3){transition-delay:.55s}
.cap.on>:nth-child(4){transition-delay:.68s}
.hero-tag{display:flex;align-items:center;gap:14px;font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.75)}
.hero-tag::before{content:"";width:32px;height:1px;background:currentColor;opacity:.7}
.hero .ht{margin-top:26px;color:#fff;font-size:clamp(40px,5.4vw,80px);line-height:1.14;letter-spacing:.01em;font-weight:600}
.hero .ht .thin{font-weight:300;color:rgba(255,255,255,.86)}
.hero-lead{margin-top:26px;max-width:32em;font-size:17px;line-height:1.85;color:rgba(255,255,255,.74)}
.hero-cta{margin-top:44px;display:flex;flex-wrap:wrap;gap:16px}
.cap.is-light .hero-tag{color:var(--muted)}
.cap.is-light .ht{color:var(--ink)}
.cap.is-light .ht .thin{color:#4a5260}
.cap.is-light .hero-lead{color:var(--muted);max-width:27em}
.btn-w{background:#fff;color:var(--ink)}
.btn-w:hover{background:var(--brand);color:#fff}
.btn-o{display:inline-flex;align-items:center;gap:16px;height:54px;padding:0 30px;border:1px solid rgba(255,255,255,.45);color:#fff;font-size:15px;letter-spacing:.04em;transition:background .3s,border-color .3s,color .3s}
.btn-o:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-o:hover .arw{width:32px}
.cap.is-light .btn-o{border-color:rgba(14,23,38,.22);color:var(--ink)}
.cap.is-light .btn-o:hover{background:var(--ink);border-color:var(--ink);color:#fff}

.hero-foot{position:absolute;left:0;right:0;bottom:0;z-index:3;display:flex;align-items:flex-end;justify-content:space-between;padding-bottom:40px}
.scroll{display:flex;align-items:center;gap:16px;font-family:var(--num);font-size:11px;letter-spacing:.32em;color:var(--fg-3);transition:color .8s}
.scroll i{position:relative;width:1px;height:56px;background:var(--track);overflow:hidden;transition:background .8s}
.scroll i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--fg);animation:drip 2.4s var(--ease) infinite}
@keyframes drip{to{top:100%}}
.pager{display:flex;gap:28px}
.pager button{min-width:156px;text-align:left;color:var(--fg-3);transition:color .6s}
.pager .l{white-space:nowrap}
.pager button:hover,.pager button.on{color:var(--fg)}
.pager .n{font-family:var(--num);font-size:13px;letter-spacing:.06em}
.pager .l{margin-left:10px;font-size:13px;letter-spacing:.04em}
.pager .b{display:block;margin-top:14px;height:1px;background:var(--track);position:relative;overflow:hidden;transition:background .8s}
.pager .b i{position:absolute;inset:0;background:var(--fg);transform:scaleX(0);transform-origin:left;transition:background .8s}
.pager .on .b i{animation:bar 7s linear forwards}
.hero:hover .pager .on .b i{animation-play-state:paused}
@keyframes bar{to{transform:scaleX(1)}}

/* credentials strip */
.creds{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink)}
.creds .ruler{margin-top:-1px}
.creds ul{display:grid;grid-template-columns:repeat(4,1fr)}
.creds li{padding:26px 32px 30px;border-left:1px solid var(--line)}
.creds li:first-child{border-left:0;padding-left:0}
.creds b{display:block;font-family:var(--num);font-size:30px;font-weight:600;line-height:1.1;letter-spacing:.01em;color:var(--ink)}
.creds span{display:block;margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* =========================================================
   Sections
   ========================================================= */
.sec{padding-block:clamp(80px,10vw,140px)}
.sec.stone{background:var(--stone)}
.sec-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px 64px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2{margin-top:22px;font-size:clamp(30px,3.2vw,46px);letter-spacing:.01em}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.85;max-width:34em}
.sec-head .side{display:flex;flex-direction:column;align-items:flex-start;gap:24px}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}

/* =========================================================
   Services
   ========================================================= */
.tabs{display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);margin-bottom:-1px}
.tab{position:relative;padding:0 0 18px;font-size:15px;color:var(--muted);transition:color .25s}
.tab sup{font-family:var(--num);font-size:11px;margin-left:4px;color:var(--faint)}
.tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.tab:hover{color:var(--ink)}
.tab[aria-selected=true]{color:var(--ink);font-weight:500}
.tab[aria-selected=true]::after{transform:scaleX(1)}
.tabs .ulink{margin-left:auto;margin-bottom:14px;font-size:14px}

.svc{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}
.svc a{position:relative;display:flex;flex-direction:column;min-height:300px;padding:36px 32px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);isolation:isolate;overflow:hidden}
.svc a::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);transform:scaleY(0);transform-origin:bottom;transition:transform .55s var(--ease)}
.svc a:hover::before,.svc a:focus-visible::before{transform:scaleY(1)}
.svc .i{font-family:var(--num);font-size:13px;color:var(--faint);letter-spacing:.06em;transition:color .4s}
.svc .t{margin-top:30px;font-family:var(--num);font-size:32px;font-weight:500;line-height:1.1;color:var(--ink);letter-spacing:-.005em;transition:color .4s}
.svc h3{margin-top:14px;font-size:17px;transition:color .4s}
.svc p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;transition:color .4s}
.svc .go{margin-top:auto;padding-top:24px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink);letter-spacing:.04em;transition:color .4s}
.svc a:hover .i,.svc a:hover p{color:rgba(255,255,255,.6)}
.svc a:hover .t,.svc a:hover h3,.svc a:hover .go{color:#fff}
.svc a:hover .arw{width:34px}
.svc a.more-cell{background:var(--stone)}
.svc a.more-cell .t{font-family:var(--sans);font-size:22px;font-weight:600}
.svc.swap{animation:swap .6s var(--ease-out)}
@keyframes swap{from{opacity:0;transform:translateY(10px)}}

/* =========================================================
   About (dark)
   ========================================================= */
.about{background:var(--ink);color:rgba(255,255,255,.72)}
.about h2,.about h3{color:#fff}
.about .label,.about .label .num{color:rgba(255,255,255,.55)}
.about .label .num{color:#fff}
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(48px,7vw,112px);align-items:center}
.about h2{margin-top:22px;font-size:clamp(30px,3.2vw,46px)}
.about-copy>p{margin-top:28px;font-size:16px;line-height:1.95}
.caps{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.12)}
.caps li{display:flex;gap:14px;align-items:baseline;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px;color:#fff}
.caps li:nth-child(odd){padding-right:24px}
.caps .num{font-size:12px;color:rgba(255,255,255,.4)}
.about .ulink{margin-top:40px;color:#fff}
.about-media{position:relative;padding:0 0 12% 14%}
.about-media .m1{aspect-ratio:4/3;overflow:hidden}
.about-media .m2{position:absolute;left:0;bottom:0;width:46%;aspect-ratio:4/3;overflow:hidden;outline:10px solid var(--ink)}
.about-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.8);transition:transform 1.4s var(--ease)}
.about-media figure:hover img{transform:scale(1.04)}
.about-media .vtext{position:absolute;right:-34px;top:0;writing-mode:vertical-rl;font-family:var(--num);font-size:11px;letter-spacing:.32em;color:rgba(255,255,255,.35)}

/* =========================================================
   Certificates
   ========================================================= */
.cert-nav{display:flex;gap:8px}
.cert-nav button{width:52px;height:52px;display:grid;place-items:center;border:1px solid var(--line-strong);color:var(--ink);transition:background .3s,border-color .3s,color .3s,opacity .3s}
.cert-nav button:hover:not(:disabled){background:var(--ink);border-color:var(--ink);color:#fff}
.cert-nav button:disabled{opacity:.35;cursor:default}
.cert-nav .prev .arw{transform:scaleX(-1)}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 72px)/4);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.track::-webkit-scrollbar{display:none}
.cert{scroll-snap-align:start;text-align:left}
.cert .mat{background:#fff;border:1px solid var(--line);padding:14px;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.cert .mat{overflow:hidden}
.cert .mat img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:center}
.cert:hover .mat{transform:translateY(-6px);box-shadow:0 26px 50px -28px rgba(14,23,38,.35)}
.cert figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:18px;font-size:15px;color:var(--ink)}
.cert figcaption .num{font-size:12px;color:var(--faint)}
.progress{margin-top:40px;height:1px;background:var(--line-strong);position:relative}
.progress i{position:absolute;top:-.5px;height:2px;left:0;background:var(--ink);transition:left .2s linear,width .2s linear}

dialog.lb{margin:auto;border:0;padding:0;background:transparent;max-width:min(92vw,980px)}
dialog.lb::backdrop{background:rgba(14,23,38,.86);backdrop-filter:blur(4px)}
dialog.lb img{max-height:86vh;width:auto;background:#fff;padding:20px}
dialog.lb .x{position:absolute;top:-48px;right:0;color:#fff;font-size:13px;letter-spacing:.1em;display:flex;align-items:center;gap:10px}

/* =========================================================
   News
   ========================================================= */
.news-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,5vw,72px)}
.feat figure{aspect-ratio:16/10;overflow:hidden;background:var(--stone)}
.feat img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.feat:hover img{transform:scale(1.04)}
.meta{display:flex;gap:16px;align-items:center;margin-top:26px;font-size:13px;color:var(--muted)}
.meta .num{color:var(--ink);font-size:14px}
.meta span+span{padding-left:16px;border-left:1px solid var(--line-strong)}
.feat h3{text-wrap:wrap;margin-top:14px;font-size:clamp(22px,2vw,26px);transition:color .3s}
.feat p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}
.feat:hover h3{color:var(--brand)}
.nlist{border-top:1px solid var(--ink)}
.nlist a{display:grid;grid-template-columns:76px minmax(0,1fr) 24px;gap:20px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line)}
.nlist .d b{display:block;font-family:var(--num);font-size:32px;font-weight:500;line-height:1;color:var(--ink)}
.nlist .d small{display:block;margin-top:8px;font-family:var(--num);font-size:12px;color:var(--faint);letter-spacing:.06em}
.nlist h3{font-size:16px;line-height:1.55;font-weight:600;text-wrap:wrap;transition:color .3s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nlist p{margin-top:6px;font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nlist .arw{margin-top:8px;width:14px;opacity:0;transform:translateX(-8px);transition:opacity .35s,transform .45s var(--ease);color:var(--brand)}
.nlist a:hover h3{color:var(--brand)}
.nlist a:hover .arw{opacity:1;transform:none}

/* =========================================================
   Contact band + Footer
   ========================================================= */
.band{background:var(--brand);color:#fff}
.band .ruler{color:#fff;opacity:.3}
.band .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px 64px;align-items:center;padding-block:64px 72px}
.band h2{color:#fff;font-size:clamp(26px,2.6vw,36px)}
.band p{margin-top:12px;color:rgba(255,255,255,.72)}
.band-r{display:flex;align-items:center;gap:40px}
.band-r .tel small{display:block;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.65)}
.band-r .tel b{font-family:var(--num);font-size:34px;font-weight:600;letter-spacing:.02em;line-height:1.2}
.band .btn{background:#fff;color:var(--ink)}
.band .btn:hover{background:var(--ink);color:#fff}

.footer{background:#0b121e;color:rgba(255,255,255,.55);font-size:14px}
.f-top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(4,minmax(0,1fr)) auto;gap:40px;padding-block:80px 64px}
.f-brand .wm{display:flex;flex-direction:column;line-height:1.2}
.f-brand .wm b{font-size:22px;color:#fff;letter-spacing:.12em;font-weight:600}
.f-brand .wm small{margin-top:6px;font-family:var(--num);font-size:11px;letter-spacing:.28em;color:rgba(255,255,255,.4)}
.f-brand dl{margin-top:32px;display:grid;gap:12px}
.f-brand dt{font-size:12px;color:rgba(255,255,255,.35);letter-spacing:.08em}
.f-brand dd{color:rgba(255,255,255,.8);line-height:1.6}
.f-brand dd.big{font-family:var(--num);font-size:22px;color:#fff;letter-spacing:.02em}
.f-col h4{color:#fff;font-size:14px;font-weight:500;letter-spacing:.06em;margin-bottom:20px}
.f-col a{display:block;padding:5px 0;transition:color .25s}
.f-col a:hover{color:#fff}
.f-qr{display:flex;gap:16px}
.f-qr figure{text-align:center;font-size:12px}
.f-qr img{width:96px;height:96px;background:#fff;padding:6px;margin-bottom:10px}
.f-bot{border-top:1px solid rgba(255,255,255,.08)}
.f-bot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;padding-block:24px;font-size:12.5px;color:rgba(255,255,255,.38)}
.f-bot a:hover{color:#fff}
.f-bot nav{display:flex;gap:24px}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1240px){
  .nav>li>a{padding:0 14px}
  .nav>li>a::after{left:14px;right:14px}
  .lang{display:none}
  .h-aside{padding-left:24px}
  .f-top{grid-template-columns:repeat(4,1fr)}
  .f-brand{grid-column:1/-1}
  .f-qr{grid-column:1/-1}
}
@media (max-width:1024px){
  :root{--header:68px}
  .logo img{height:38px}
  .burger{display:block;margin-left:auto}
  .h-aside{display:none}
  .nav{position:absolute;top:100%;left:0;right:0;height:calc(100dvh - var(--header));flex-direction:column;background:#fff;padding:8px var(--gutter) 40px;overflow:auto;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
  .nav.open{visibility:visible;opacity:1;transform:none}
  .nav>li{border-bottom:1px solid var(--line)}
  .nav>li>a{padding:0;height:60px;font-size:17px;width:100%}
  .nav>li>a::after,.mega{display:none}
  .nav .m-tel{display:block;border:0;margin-top:28px}
  .hero{min-height:560px}
  .slide img{object-position:var(--pos-m,var(--pos,center))}
  .slide[data-theme=dark]::after{background:linear-gradient(180deg,rgba(7,14,25,.3) 0%,rgba(7,14,25,.55) 45%,rgba(7,14,25,.9) 100%)}
  .cap{justify-content:flex-end;padding-bottom:120px}
  .pager{gap:16px}
  .pager button{width:64px}
  .pager .l{display:none}
  .creds ul{grid-template-columns:repeat(2,1fr)}
  .creds li{padding:22px 20px 24px}
  .creds li:nth-child(odd){border-left:0;padding-left:0}
  .creds li:nth-child(n+3){border-top:1px solid var(--line)}
  .sec-head{grid-template-columns:1fr;align-items:start}
  .svc{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .about-media .vtext{display:none}
  .about-media{padding-right:0}
  .track{grid-auto-columns:calc((100% - 24px)/2.3)}
  .news-grid{grid-template-columns:1fr}
  .band .wrap{grid-template-columns:1fr}
  .band-r{flex-wrap:wrap;gap:24px 40px}
}
@media (max-width:1024px) and (orientation:portrait){
  /* portrait key visual: type sits in the clean sky at the top */
  .slide[data-theme=light]::after{background:linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.7) 36%,rgba(255,255,255,0) 56%),linear-gradient(0deg,rgba(255,255,255,.75) 0%,rgba(255,255,255,0) 16%)}
  .cap.is-light{justify-content:flex-start;padding-top:56px;padding-bottom:0}
}
@media (min-width:1025px){ .nav .m-tel{display:none} }
@media (max-width:640px){
  body{font-size:15px}
  .tabs{gap:26px;overflow-x:auto;scrollbar-width:none}
  .tabs .ulink{display:none}
  .tab{white-space:nowrap}
  .svc{grid-template-columns:1fr}
  .svc a{min-height:0;padding:28px 24px 24px}
  .svc .t{margin-top:18px;font-size:28px}
  .creds b{font-size:24px}
  .scroll{display:none}
  .hero-foot{justify-content:flex-end;padding-bottom:32px}
  .cap{padding-bottom:96px}
  .cap.is-light{padding-top:40px}
  .hero .ht{font-size:38px}
  .hero-lead{font-size:15px;margin-top:18px}
  .hero-cta{margin-top:30px;gap:12px}
  .hero-cta .btn,.hero-cta .btn-o{height:50px;padding:0 22px}
  .caps{grid-template-columns:1fr}
  .caps li:nth-child(odd){padding-right:0}
  .track{grid-auto-columns:78%}
  .nlist a{grid-template-columns:60px minmax(0,1fr)}
  .nlist .arw{display:none}
  .nlist .d b{font-size:26px}
  .f-top{grid-template-columns:1fr 1fr;padding-block:56px 40px}
  .f-bot .wrap{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv,.cap.on>*{opacity:1;transform:none}
}

/* =========================================================
   English typography
   ========================================================= */
:lang(en) body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,var(--sans)}
:lang(en) h1,:lang(en) h2{letter-spacing:-.012em}
:lang(en) .hero .ht{font-size:clamp(38px,4.7vw,70px);line-height:1.08}
:lang(en) .caps-stack{width:min(820px,100%)}
:lang(en) .label,:lang(en) .hero-tag{letter-spacing:.08em;text-transform:uppercase;font-size:12px}
:lang(en) .nav>li>a{font-size:15px}

.tabs.plain{border:0;margin:0}
.svc a{color:inherit}

/* =========================================================
   Inner page header
   ========================================================= */
.phero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.phero-bg{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(7,14,25,.94) 0%,rgba(7,14,25,.8) 45%,rgba(7,14,25,.55) 100%),
  url("../img/hero-lab-photo.jpg") 70% 40%/cover no-repeat}
.phero .wrap{padding-block:56px 60px}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.55)}
.crumbs a:hover{color:#fff}
.crumbs [aria-current]{color:rgba(255,255,255,.85)}
.phero .label{margin-top:44px;color:rgba(255,255,255,.55)}
.phero .label .num{color:#fff}
.phero h1{margin-top:18px;color:#fff;font-size:clamp(30px,3.6vw,52px);max-width:22em}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.subnav a{padding:9px 18px;border:1px solid rgba(255,255,255,.22);font-size:14px;color:rgba(255,255,255,.75);transition:background .3s,color .3s,border-color .3s}
.subnav a:hover{border-color:#fff;color:#fff}
.subnav a.on{background:#fff;border-color:#fff;color:var(--ink)}

.page-body{padding-block:clamp(56px,7vw,96px)}
.layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:clamp(40px,5vw,72px);padding-block:clamp(56px,7vw,96px)}
.layout-main{min-width:0}

/* sidebar */
.side-sticky{position:sticky;top:calc(var(--header) + 32px)}
.side-h{font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding-bottom:14px;border-bottom:1px solid var(--ink)}
.side-nav ul{list-style:none}
.side-nav>.side-sticky>ul>li{border-bottom:1px solid var(--line)}
.side-nav>.side-sticky>ul>li>a{display:block;padding:15px 0;font-size:15px;font-weight:500;color:var(--ink);transition:color .25s}
.side-nav li ul{padding:0 0 14px}
.side-nav li li a{position:relative;display:block;padding:6px 0 6px 16px;font-size:14px;color:var(--muted);transition:color .25s}
.side-nav li li a::before{content:"";position:absolute;left:0;top:50%;width:6px;height:1px;background:var(--line-strong);transition:width .3s var(--ease),background .3s}
.side-nav a:hover{color:var(--brand)}
.side-nav li.on>a{color:var(--brand)}
.side-nav li li.on>a::before,.side-nav li li a:hover::before{width:10px;background:var(--brand)}
.side-cta{margin-top:40px;padding:28px 26px;background:var(--stone)}
.side-cta h3{font-size:17px}
.side-cta p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.side-cta .tel{display:block;margin-top:18px;font-family:var(--num);font-size:22px;font-weight:600;color:var(--ink)}
.side-cta .ulink{margin-top:10px;font-size:14px}

/* service grid on inner pages: 3 across */
.svc-3{grid-template-columns:repeat(3,1fr)}
.empty{padding:56px 48px;background:var(--stone);display:flex;flex-direction:column;align-items:flex-start;gap:24px;color:var(--muted)}

/* pagination */
.pg{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.pg-step{display:inline-flex;align-items:center;gap:12px;font-size:14px;color:var(--ink)}
.pg-step.prev .arw{transform:scaleX(-1)}
.pg-step.is-off{color:var(--faint)}
.pg-step:not(.is-off):hover .arw{width:32px}
.pg-nums{display:flex;gap:4px}
.pg-nums a{min-width:40px;height:40px;display:grid;place-items:center;font-family:var(--num);font-size:14px;color:var(--muted);border:1px solid transparent;transition:border-color .25s,color .25s}
.pg-nums a:hover{border-color:var(--line-strong);color:var(--ink)}
.pg-nums a.on{background:var(--ink);color:#fff}

/* prev / next */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:64px;border-top:1px solid var(--line);padding-top:28px}
.pn-a{display:flex;flex-direction:column;gap:8px}
.pn-a small{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.pn-a.prev small .arw{transform:scaleX(-1)}
.pn-a span{font-size:16px;font-weight:500;color:var(--ink);transition:color .25s}
.pn-a:hover span{color:var(--brand)}
.pn-a.next{text-align:right;align-items:flex-end}

/* long-form content */
.doc-tag{font-family:var(--num);font-size:clamp(36px,4vw,56px);font-weight:500;color:var(--ink);line-height:1}
.doc-lead{margin-top:20px;font-size:19px;line-height:1.7;color:var(--ink);max-width:40em}
.doc-sec{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.doc-sec h2{display:flex;align-items:baseline;gap:16px;font-size:clamp(20px,1.8vw,24px);margin-bottom:20px;text-transform:capitalize}
.doc-sec h2 .num{font-size:13px;color:var(--faint);font-weight:400}
.prose{font-size:16px;line-height:1.9;color:var(--text);max-width:46em;overflow-wrap:anywhere}
.prose p+p{margin-top:1em}
.prose img{margin:24px 0;max-width:100%;height:auto}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;display:block;overflow-x:auto}
.prose td,.prose th{border:1px solid var(--line);padding:10px 12px;vertical-align:top}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose h1,.prose h2,.prose h3,.prose h4,.prose h5{font-size:18px;margin:28px 0 12px}
.prose ul,.prose ol{padding-left:1.3em;margin:12px 0}
.prose.narrow{margin-inline:auto}
.related{margin-top:80px}
.h-sm{font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:24px}

/* galleries */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 28px}
.gal .cert .mat img{aspect-ratio:4/3;object-fit:cover}
.t-gallery .gal .cert .mat img{aspect-ratio:3/4}
.photo{max-width:980px;margin-inline:auto}
.photo img{width:100%;height:auto;border:1px solid var(--line);background:#fff;padding:16px}
.photo figcaption{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:20px;font-size:16px;color:var(--ink)}

/* article list */
.alist{border-top:1px solid var(--ink)}
.arow{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;padding:32px 0;border-bottom:1px solid var(--line);align-items:center}
.arow figure{aspect-ratio:16/10;overflow:hidden;background:var(--stone)}
.arow img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.arow .num{font-family:var(--num);font-size:12px;color:var(--faint);letter-spacing:.06em}
.arow h2{margin-top:10px;font-size:clamp(18px,1.6vw,22px);transition:color .25s;text-wrap:wrap}
.arow p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.arow .go{display:inline-flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink);letter-spacing:.04em}
.arow:hover img{transform:scale(1.04)}
.arow:hover h2{color:var(--brand)}
.arow:hover .arw{width:32px}
.art{max-width:800px;margin-inline:auto}
.art-fig{margin-bottom:40px;aspect-ratio:16/9;overflow:hidden;background:var(--stone)}
.art-fig img{width:100%;height:100%;object-fit:cover}
.art .prose{max-width:none;font-size:17px}
.art-foot{margin-top:48px}

/* about */
.ab-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,96px);align-items:start}
.lead-first p:first-child{font-size:19px;line-height:1.75;color:var(--ink)}
.ab-fig{aspect-ratio:4/5;overflow:hidden;background:var(--stone)}
.ab-fig img{width:100%;height:100%;object-fit:cover;filter:saturate(.85)}
.creds-in{display:grid;grid-template-columns:repeat(4,1fr);margin-top:80px;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);list-style:none}
.creds-in li{padding:26px 24px 28px;border-left:1px solid var(--line)}
.creds-in li:first-child{border-left:0;padding-left:0}
.creds-in b{display:block;font-family:var(--num);font-size:28px;font-weight:600;color:var(--ink);line-height:1.1}
.creds-in span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}
.values{margin-top:96px;max-width:52em}
.values h2{font-size:clamp(22px,2.2vw,30px);line-height:1.4}
.values p{margin-top:16px;color:var(--muted);line-height:1.9}
.culture{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
.cult figure{aspect-ratio:4/3;overflow:hidden;background:var(--stone)}
.cult img{width:100%;height:100%;object-fit:cover;filter:saturate(.85);transition:transform 1.2s var(--ease)}
.cult:hover img{transform:scale(1.04)}
.cult .num{display:block;margin-top:20px;font-family:var(--num);font-size:12px;color:var(--faint)}
.cult h3{margin-top:6px;font-size:18px}
.cult p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.steps li{display:flex;flex-direction:column;justify-content:space-between;min-height:200px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps .num{font-family:var(--num);font-size:40px;font-weight:500;color:var(--ink);line-height:1}
.steps b{font-size:16px;font-weight:500;color:var(--ink);line-height:1.5}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:32px;margin-top:48px}

/* downloads */
.files{border-top:1px solid var(--ink)}
.file-row{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:24px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}
.file-row .num{font-family:var(--num);font-size:13px;color:var(--faint)}
.file-row h2{font-size:17px;text-wrap:wrap}
.file-row p{margin-top:4px;font-size:13px;color:var(--muted);font-family:var(--num);letter-spacing:.04em}

/* report verification */
.report{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:32px;background:var(--stone)}
.report p{max-width:40em;color:var(--muted)}
.frame{margin-top:32px;border:1px solid var(--line)}
.frame iframe{display:block;width:100%;height:640px;border:0}

/* contact + form */
.ct-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(40px,6vw,96px);align-items:start}
.ct-co{font-size:clamp(22px,2vw,28px)}
.ct-intro{margin-top:12px;color:var(--muted);max-width:32em}
.ct-list{margin-top:32px;border-top:1px solid var(--ink)}
.ct-list>div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.ct-list dt{font-size:13px;color:var(--faint);letter-spacing:.04em}
.ct-list dd{font-size:15px;color:var(--ink);line-height:1.7}
.ct-list a:hover{color:var(--brand)}
#map{position:relative;aspect-ratio:4/3;background:var(--stone);overflow:hidden}
.map-card{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;padding:32px;background:
  repeating-linear-gradient(0deg,transparent 0 47px,rgba(14,23,38,.06) 47px 48px),
  repeating-linear-gradient(90deg,transparent 0 47px,rgba(14,23,38,.06) 47px 48px),
  linear-gradient(120deg,transparent 46%,rgba(10,79,158,.08) 46% 49%,transparent 49%),var(--stone)}
.map-card .pin{position:absolute;left:50%;top:42%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 8px rgba(10,79,158,.15),0 0 0 22px rgba(10,79,158,.07)}
.map-card b{font-size:16px;color:var(--ink)}
.map-card p{font-size:14px;color:var(--muted);max-width:30em}
.map-card .num{font-size:12px;color:var(--faint);letter-spacing:.06em}
.ct-map-links{display:flex;flex-wrap:wrap;gap:28px;margin-top:20px}
.form{display:grid;gap:20px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form label{display:grid;gap:8px}
.form label span{font-size:13px;color:var(--muted);letter-spacing:.03em}
.form input,.form textarea{width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line-strong);border-radius:0;padding:13px 14px;transition:border-color .25s,box-shadow .25s}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,23,38,.06)}
.form textarea{resize:vertical;min-height:150px}
.form-err{color:#b42318;font-size:14px}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.form-foot p{flex:1;min-width:220px;font-size:13px;color:var(--faint);line-height:1.6}
.ct-aside{padding:8px 0}
.ct-aside .ct-list{margin-top:0}

/* jobs */
.jobs{border-top:1px solid var(--ink)}
.job{border-bottom:1px solid var(--line)}
.job summary{display:grid;grid-template-columns:56px minmax(0,1fr) 24px;align-items:center;gap:16px;padding:28px 0;cursor:pointer;list-style:none}
.job summary::-webkit-details-marker{display:none}
.job summary .num{font-family:var(--num);font-size:13px;color:var(--faint)}
.job summary h2{font-size:clamp(18px,1.6vw,22px)}
.plus{position:relative;width:16px;height:16px}
.plus::before,.plus::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--ink);transition:transform .35s var(--ease)}
.plus::after{transform:rotate(90deg)}
.job[open] .plus::after{transform:rotate(0)}
.job-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:0 0 28px 72px;border-top:1px solid var(--line)}
.job-meta>div{padding:14px 20px 14px 0;border-bottom:1px solid var(--line)}
.job-meta dt{font-size:12px;color:var(--faint);letter-spacing:.04em}
.job-meta dd{margin-top:4px;font-size:14.5px;color:var(--ink)}
.job h3,.job .prose,.job .btn{margin-left:72px}
.job h3{font-size:15px;margin-bottom:10px}
.job .btn{margin-top:24px;margin-bottom:32px}

/* partner */
.blocks{border-top:1px solid var(--ink)}
.blk{display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;padding:40px 0;border-bottom:1px solid var(--line)}
.blk .num{font-family:var(--num);font-size:13px;color:var(--faint);padding-top:6px}
.blk h2{font-size:clamp(20px,1.8vw,24px);margin-bottom:14px}
.blk p{max-width:46em;color:var(--text);line-height:1.9}
.blk p+p{margin-top:8px}

/* lightbox */
dialog.lb{margin:auto;border:0;padding:0;background:transparent;max-width:min(92vw,1100px);overflow:visible}
dialog.lb::backdrop{background:rgba(7,14,25,.9);backdrop-filter:blur(4px)}
dialog.lb figure{display:flex;flex-direction:column;align-items:center}
dialog.lb img{max-height:82vh;width:auto;max-width:100%;background:#fff;padding:16px}
dialog.lb figcaption{margin-top:14px;color:rgba(255,255,255,.8);font-size:14px}
.lb-x{position:absolute;top:-44px;right:0;color:#fff;font-size:13px;letter-spacing:.1em}
.lb-nav{position:fixed;top:50%;width:52px;height:52px;margin-top:-26px;display:grid;place-items:center;color:#fff;border:1px solid rgba(255,255,255,.3);transition:background .25s,color .25s}
.lb-nav:hover{background:#fff;color:var(--ink)}
.lb-nav.prev{left:24px}.lb-nav.next{right:24px}
.lb-nav.prev .arw{transform:scaleX(-1)}
.lb-nav[hidden]{display:none}

/* mobile submenus + language row */
.sub-toggle,.nav .m-lang{display:none}

@media (max-width:1024px){
  .nav>li{flex-wrap:wrap;position:relative}
  .nav>li>a{flex:1}
  .sub-toggle{display:grid;place-items:center;width:44px;height:60px;margin-right:-12px}
  .sub-toggle i{position:relative;width:12px;height:12px}
  .sub-toggle i::before,.sub-toggle i::after{content:"";position:absolute;left:0;right:0;top:50%;height:1.5px;background:var(--ink);transition:transform .3s var(--ease)}
  .sub-toggle i::after{transform:rotate(90deg)}
  .nav>li.open .sub-toggle i::after{transform:rotate(0)}
  .nav>li.open .mega{display:block;position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;width:100%}
  .nav>li.open .mega .wrap{display:block;padding:0 0 18px}
  .nav>li.open .mega-intro{display:none}
  .nav>li.open .mega-cols{grid-template-columns:1fr;gap:18px}
  .nav>li.open .mega-cols h4{border:0;padding:0;margin:0 0 4px;font-size:13px;color:var(--faint)}
  .nav>li.open .mega-cols a{padding:6px 0;font-size:15px}
  .nav .m-lang{display:flex;gap:20px;border:0;margin-top:20px;font-size:15px;color:var(--faint)}
  .nav .m-lang a.on{color:var(--ink)}
  .layout{grid-template-columns:1fr}
  .side-nav{order:2}
  .side-sticky{position:static}
  .svc-3{grid-template-columns:repeat(2,1fr)}
  .gal{grid-template-columns:repeat(2,1fr)}
  .ab-grid,.ct-grid{grid-template-columns:1fr}
  .ab-fig{aspect-ratio:16/10}
  .creds-in{grid-template-columns:repeat(2,1fr)}
  .creds-in li:nth-child(3){border-left:0;padding-left:0}
  .creds-in li:nth-child(n+3){border-top:1px solid var(--line)}
  .culture{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .job-meta{grid-template-columns:repeat(2,1fr)}
  .arow{grid-template-columns:200px minmax(0,1fr);gap:24px}
}
@media (max-width:640px){
  .phero .wrap{padding-block:36px 40px}
  .phero .label{margin-top:28px}
  .svc-3,.gal,.culture{grid-template-columns:1fr}
  .arow{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps li{min-height:0;flex-direction:row;align-items:center;gap:20px}
  .steps .num{font-size:28px}
  .f2{grid-template-columns:1fr}
  .file-row{grid-template-columns:1fr;gap:12px}
  .file-row .num{display:none}
  .job-meta{grid-template-columns:1fr;margin-left:0}
  .job h3,.job .prose,.job .btn{margin-left:0}
  .job summary{grid-template-columns:40px minmax(0,1fr) 20px}
  .blk{grid-template-columns:1fr}
  .ct-list>div{grid-template-columns:1fr;gap:4px}
  .pn{grid-template-columns:1fr}
  .pn-a.next{text-align:left;align-items:flex-start}
  .pg-nums{display:none}
  .lb-nav{display:none}
  .frame iframe{height:520px}
}
.art-meta{margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.arow .num{font-size:12.5px}

.pg-nums{align-items:center}
.pg-gap{min-width:28px;text-align:center;color:var(--faint)}
.pg-count{display:none;font-size:14px;color:var(--muted)}
@media (max-width:640px){.pg-count{display:block}}
.pg-step{white-space:nowrap}

/* 53kf chat: keep only the red side tab; hide the floating avatar chat and the auto invite popup */
/* 53kf injects "#aff-im-root{display:block!important}", so out-rank it with a more specific selector */
html body #aff-im-root,html body #kfivtwin,html body #inv_box_53kf{display:none!important}