[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}

/* Layout: sticky header → full-bleed hero on the real welding line → alternating paper / navy bands.
   Motif: the 45° cut from the QS mark, used on photo frames, the hero edge and primary buttons. */
:root{
  --navy:#112B3C; --orange:#F66B0E; --orange-ink:#C2500A;
  --paper:#F3F6F8; --surface:#FFFFFF; --ink:#0D1B26; --muted:#556776; --line:#D5DDE3;
  --band:#112B3C; --band-2:#0B1F2D; --band-ink:#F3F6F8; --band-muted:#A3B5C4; --band-line:rgba(243,246,248,.16);
  --field:#FFFFFF; --field-line:#B9C6D0; --ok:#1F7A4D; --err:#B3261E;
  --logo-q:var(--navy); --logo-s:var(--orange); --logo-word:#000000; --lang-on:#112B3C; --lang-on-ink:#F3F6F8;
  --f-display:"Archivo","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --f-body:"IBM Plex Sans","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --cut:clamp(28px,4vw,56px);
  --maxw:1240px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0A141C; --surface:#101D28; --ink:#E5ECF1; --muted:#97A8B6; --line:#223340;
  --band:#0F2333; --band-2:#071119; --orange-ink:#FF8B42;
  --field:#0C1822; --field-line:#33495A; --ok:#5CC48F; --err:#FF8A80;
  --logo-q:#E5ECF1; --logo-word:#E5ECF1; --lang-on:#E5ECF1; --lang-on-ink:#0A141C; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0A141C; --surface:#101D28; --ink:#E5ECF1; --muted:#97A8B6; --line:#223340;
  --band:#0F2333; --band-2:#071119; --orange-ink:#FF8B42;
  --field:#0C1822; --field-line:#33495A; --ok:#5CC48F; --err:#FF8A80;
  --logo-q:#E5ECF1; --logo-word:#E5ECF1; --lang-on:#E5ECF1; --lang-on-ink:#0A141C; color-scheme:dark}
html:lang(zh-CN){--f-display:"Noto Sans SC","Archivo",sans-serif;--f-body:"Noto Sans SC","IBM Plex Sans",sans-serif}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
a{color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
@media (max-width:600px){.wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}}
h1,h2,h3,h4{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.08}
h2{font-size:clamp(30px,4.2vw,50px);font-weight:700;font-stretch:112%;letter-spacing:-.01em}
h3{font-size:clamp(20px,2vw,24px);font-weight:700;font-stretch:108%}
h4{font-size:17px;font-weight:700;font-stretch:104%;line-height:1.25}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-ink);display:flex;align-items:center;gap:10px;margin-bottom:18px}
.eyebrow::before{content:"";width:12px;height:12px;background:var(--orange);clip-path:polygon(0 100%,100% 0,100% 100%)}
html:lang(zh-CN) .eyebrow{letter-spacing:.08em}
.section{padding-block:clamp(72px,9vw,128px)}
.sec-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px 64px;align-items:end;margin-bottom:56px}
.sec-head p{color:var(--muted);font-size:17px;max-width:52ch}
@media (max-width:860px){.sec-head{grid-template-columns:1fr;margin-bottom:40px}}

/* buttons */
.btn{--bg:var(--orange);--fg:#fff;display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:12px 26px 12px 22px;font-family:var(--f-body);font-weight:600;font-size:15px;text-decoration:none;border:0;cursor:pointer;background:var(--bg);color:var(--fg);clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);transition:filter .15s}
.btn:hover{filter:brightness(1.08)}
.btn svg{width:16px;height:16px}
.btn.ghost{--bg:transparent;--fg:var(--band-ink);box-shadow:inset 0 0 0 1.5px var(--band-line);clip-path:none}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--band-ink)}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:90px}
.logo{display:block;height:54px;width:auto;aspect-ratio:1666/480}
.brand{flex:none;display:flex}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{font-size:14px;font-weight:500;text-decoration:none;color:var(--muted);padding:8px 8px;white-space:nowrap}
.nav a:hover{color:var(--ink)}
.langs{display:flex;border:1px solid var(--line);flex:none}
.langs a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font:500 12px/1 var(--f-mono);letter-spacing:.06em;color:var(--muted);background:transparent;border:0;padding:9px 9px;cursor:pointer;min-width:38px}
.langs a+a{border-left:1px solid var(--line)}
.langs a[aria-current="true"]{background:var(--lang-on);color:var(--lang-on-ink)}
.langs a.zh{font-family:"Noto Sans SC",var(--f-body);letter-spacing:0}
.top .btn{flex:none;white-space:nowrap;min-height:42px;padding:10px 20px 10px 18px;font-size:14px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);width:42px;height:42px;cursor:pointer;flex:none}
.menu-btn svg{width:20px;height:20px}
.mobile-nav{border-top:1px solid var(--line);background:var(--surface)}
.mobile-nav .wrap{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;padding-block:16px 20px}
.mobile-nav a{text-decoration:none;font-weight:500;padding:10px 0;border-bottom:1px solid var(--line)}
@media (max-width:1180px){.nav{display:none}.menu-btn{display:inline-grid;place-items:center}.langs{margin-left:auto}}
.top.compact .nav{display:none}.top.compact .menu-btn{display:inline-grid;place-items:center}.top.compact .langs{margin-left:auto}
@media (max-width:760px){.top .btn{display:none}.logo{height:42px}.top .wrap{min-height:72px}.top .wrap{gap:12px}}
@media (max-width:420px){.logo{height:34px}}
@media (max-width:380px){.langs a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-width:32px;padding:9px 6px}}

/* hero */
.hero{position:relative;color:var(--band-ink);background:var(--band-2);clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 40%}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,17,25,.95) 0%,rgba(11,31,45,.86) 42%,rgba(17,43,60,.45) 75%,rgba(17,43,60,.25) 100%),linear-gradient(0deg,rgba(7,17,25,.85) 0%,rgba(7,17,25,0) 45%)}
.hero-inner{position:relative;padding-block:clamp(72px,10vw,140px) 56px}
.hero .eyebrow{color:#FFB27E}
.hero h1{font-size:clamp(36px,5.4vw,70px);font-weight:750;font-stretch:118%;letter-spacing:-.02em;max-width:21ch;line-height:1.03}
.hero h1 .accent{color:#FFB27E}
html:lang(zh-CN) .hero h1{font-weight:700;letter-spacing:0;line-height:1.2;max-width:14em}
.hero .lead{margin-top:28px;font-size:clamp(17px,1.6vw,20px);line-height:1.55;color:#D3DEE6;max-width:58ch}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.facts{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding-block:0 calc(var(--cut) + 28px);border-top:1px solid var(--band-line)}
.facts div{padding:24px 24px 0 0;min-width:0}
.facts div+div{padding-left:24px;border-left:1px solid var(--band-line)}
.facts dt{font-family:var(--f-display);font-weight:700;font-stretch:115%;font-size:clamp(24px,2.6vw,34px);line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.facts dd{margin:10px 0 0;font-size:13.5px;line-height:1.45;color:var(--band-muted)}
@media (max-width:860px){.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(3){padding-left:0;border-left:0}.facts div:nth-child(n+3){border-top:1px solid var(--band-line);margin-top:24px}}

/* about */
.about{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,96px);align-items:start}
.about-copy{display:grid;gap:20px}
.about-copy>p{font-size:17.5px;max-width:62ch}
.about-copy>p:first-of-type{font-size:20px;line-height:1.5}
.mvv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:20px;padding-top:28px;border-top:1px solid var(--line)}
.mvv h4{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-ink);margin-bottom:10px}
.mvv p{font-size:15px;color:var(--muted)}
.policy{margin-top:8px;padding:24px 26px;background:var(--surface);border:1px solid var(--line)}
.policy h4{margin-bottom:8px}
.policy p{font-size:15px;color:var(--muted)}
.frame{position:relative;margin:0;max-width:100%}
.frame img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),calc(100% - 44px) 100%,0 100%);background:var(--line)}
.frame figcaption{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:12px}
@media (max-width:860px){.about{grid-template-columns:1fr}.mvv{grid-template-columns:1fr}.about .frame{max-width:420px}}

/* services */
.svc-band{background:var(--surface);border-block:1px solid var(--line)}
.pillars{display:grid;border-top:2px solid var(--ink)}
.pillar{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px 56px;padding-block:36px;border-bottom:1px solid var(--line)}
.pillar-head{display:grid;gap:10px;align-content:start}
.pillar-head .tag{font-family:var(--f-mono);font-size:12px;color:var(--orange-ink);letter-spacing:.08em}
.pillar-head p{color:var(--muted);font-size:15.5px}
.pillar ul{list-style:none;margin:0;padding:0;columns:2;column-gap:40px}
.pillar li{break-inside:avoid;padding:9px 0 9px 22px;position:relative;border-bottom:1px solid var(--line);font-size:15.5px}
.pillar li::before{content:"";position:absolute;left:0;top:17px;width:8px;height:8px;background:var(--orange);clip-path:polygon(0 0,100% 0,0 100%)}
@media (max-width:860px){.pillar{grid-template-columns:1fr}.pillar ul{columns:1}}
.detail{margin-top:clamp(56px,7vw,96px)}
.detail>h3{margin-bottom:28px}
.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.detail-grid article{padding-block:22px 26px;border-top:1px solid var(--line);display:grid;gap:8px;align-content:start}
.detail-grid p{font-size:15px;color:var(--muted)}
@media (max-width:980px){.detail-grid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.detail-grid{grid-template-columns:1fr}}

/* standards */
.std{background:var(--band);color:var(--band-ink)}
.std .wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px 56px;padding-block:44px;align-items:center}
.std h3{font-size:20px}
.std .note{color:var(--band-muted);font-size:14px;margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chips li{font-family:var(--f-mono);font-size:13px;padding:7px 12px;border:1px solid var(--band-line);color:var(--band-ink);white-space:nowrap}
.chips li.key{border-color:var(--orange);color:#FFB27E}
@media (max-width:860px){.std .wrap{grid-template-columns:1fr}}

/* cases */
.strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:48px}
.strip img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--line)}
.strip figure{margin:0}
.strip figure:last-child img{clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),calc(100% - 44px) 100%,0 100%)}
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case{background:var(--surface);border:1px solid var(--line);padding:26px 26px 28px;display:grid;gap:12px;align-content:start}
.case-meta{display:flex;justify-content:space-between;gap:12px;align-items:baseline;flex-wrap:wrap}
.case .client{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--orange-ink)}
.case .period{font-family:var(--f-mono);font-size:12px;color:var(--muted);border:1px solid var(--line);padding:2px 8px;white-space:nowrap}
.case p{font-size:15px;color:var(--muted)}
@media (max-width:980px){.cases{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.cases,.strip{grid-template-columns:1fr}.strip figure:nth-child(n+2){display:none}.strip img{aspect-ratio:4/3}}

/* industries */
.inds{border-top:2px solid var(--ink)}
.ind{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:12px 56px;padding-block:26px;border-bottom:1px solid var(--line);align-items:baseline}
.ind h3{font-size:clamp(22px,2.4vw,30px);font-stretch:112%}
.ind p{color:var(--muted);font-size:16px}
@media (max-width:760px){.ind{grid-template-columns:1fr}}

.ind-wrap{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(32px,5vw,72px);align-items:start}
.ind-wrap .frame img{aspect-ratio:3/4}
@media (max-width:860px){.ind-wrap{grid-template-columns:1fr}.ind-wrap .frame{display:none}}

/* alliances */
.dark{background:var(--band);color:var(--band-ink);--logo-q:var(--band-ink);--logo-word:var(--band-ink)}
.dark .eyebrow{color:#FFB27E}
.dark .sec-head p{color:var(--band-muted)}
.partners{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--band-line);border:1px solid var(--band-line)}
.partner{background:var(--band);padding:28px 24px 30px;display:grid;gap:10px;align-content:start}
.partner h3{font-size:22px;color:#fff}
.partner .role{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#FFB27E}
.partner p{font-size:15px;color:var(--band-muted)}
@media (max-width:980px){.partners{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.partners{grid-template-columns:1fr}}

.p-label{font:500 12px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-muted);margin:0 0 14px}
.p-group+.p-group{margin-top:36px}
.partners.rel{grid-template-columns:repeat(2,minmax(0,1fr))}
.partners.rel .partner h3{font-size:clamp(24px,2.4vw,30px)}
.partners.ally{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:980px){.partners.ally{grid-template-columns:1fr}}
@media (max-width:620px){.partners.rel{grid-template-columns:1fr}}

/* china */
.cn-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 32px}
.cn-grid article{border-top:3px solid var(--orange);padding-top:22px;display:grid;gap:10px;align-content:start}
.cn-grid p{color:var(--muted);font-size:15.5px}
@media (max-width:860px){.cn-grid{grid-template-columns:1fr}}

/* clients */
.clients{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 0;font-family:var(--f-display);font-weight:600;font-stretch:108%;font-size:clamp(19px,2.2vw,28px);line-height:1.35}
.clients li{display:inline-flex;align-items:center;color:var(--ink)}
.clients li:nth-child(even){color:var(--muted)}
.clients li:not(:last-child)::after{content:"/";color:var(--orange);font-weight:500;margin-inline:14px}
.clients-note{margin-top:28px;font-size:14px;color:var(--muted)}

/* forms shared */
.form-card{background:var(--surface);border:1px solid var(--line);padding:clamp(24px,3.4vw,40px);color:var(--ink)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.full{grid-column:1/-1}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.field{display:grid;gap:7px;min-width:0}
.field label{font-size:13.5px;font-weight:600}
.field label .req{color:var(--orange-ink);margin-left:2px}
.field input,.field select,.field textarea{font:inherit;font-size:15.5px;color:var(--ink);background:var(--field);border:1px solid var(--field-line);border-radius:0;padding:12px 14px;width:100%;min-width:0}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(246,107,14,.18)}
.field.bad input,.field.bad select,.field.bad textarea,.field.bad .drop{border-color:var(--err)}
.field .msg{font-size:13px;color:var(--err);min-height:0}
.drop{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border:1.5px dashed var(--field-line);padding:14px;background:var(--field)}
.drop input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.drop .pick{font:600 14px var(--f-body);padding:9px 14px;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}
.drop .fname{font-size:14px;color:var(--muted);min-width:0;overflow-wrap:anywhere}
.check{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.check input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--orange)}
.form-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:6px}
.form-foot small{font-size:12.5px;color:var(--muted)}
.done{display:grid;gap:14px;align-content:start;padding-block:8px}
.done .mark{width:44px;height:44px;background:var(--ok);clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);display:grid;place-items:center;color:#fff}
.done .mark svg{width:22px;height:22px}
.done h3{font-size:22px}
.done p{color:var(--muted)}
.done .preview{font-family:var(--f-mono);font-size:12.5px;line-height:1.5;color:var(--muted);border-left:3px solid var(--orange);padding:8px 12px;background:var(--paper)}
.linkbtn{justify-self:start;background:none;border:0;padding:0;font:600 14.5px var(--f-body);color:var(--orange-ink);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.send-err{font-size:14px;color:var(--err)}

/* careers */
.careers{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,88px);align-items:start}
.careers-copy{display:grid;gap:22px}
.careers-copy>p{font-size:17.5px;max-width:48ch}
.careers .frame img{aspect-ratio:4/5}
@media (max-width:920px){.careers{grid-template-columns:1fr}.careers .frame{max-width:380px}}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,88px);align-items:start}
.dir{display:grid;gap:0;border-top:1px solid var(--band-line)}
.dir-row{display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;padding-block:18px;border-bottom:1px solid var(--band-line)}
.dir-row .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#FFB27E;padding-top:3px}
.dir-row .v{display:grid;gap:4px;font-size:15px;min-width:0}
.dir-row .v span{color:var(--band-muted)}
.dir-row a{text-decoration:none;overflow-wrap:anywhere}
.dir-row a:hover{text-decoration:underline}
.where{margin-top:32px;display:grid;gap:14px}
.where h4{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:#FFB27E}
.where-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:520px){.where-cols{grid-template-columns:1fr 1fr}}
.todo{font-family:var(--f-mono);font-size:12.5px;border:1px dashed var(--band-line);padding:4px 8px;justify-self:start}
.where-cols b{display:block;font-family:var(--f-display);font-stretch:110%;font-size:18px;margin-bottom:6px}
.where-cols ul{list-style:none;margin:0;padding:0;font-size:14.5px;color:var(--band-muted);display:grid;gap:3px}
.where-cols li.hq{color:var(--band-ink)}
.where-cols a{text-decoration:none}
.where-cols a:hover{color:var(--band-ink)}
@media (max-width:920px){.contact{grid-template-columns:1fr}}
@media (max-width:420px){.dir-row{grid-template-columns:1fr;gap:4px}}

/* footer */
.foot{background:var(--band-2);color:var(--band-muted);--logo-q:var(--band-ink);--logo-word:var(--band-ink);font-size:14px}
.foot .wrap{padding-block:56px 36px;display:grid;gap:40px}
.foot-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px}
.foot-top .logo{height:64px}
.foot-top p{margin-top:16px;max-width:36ch}
.foot-links{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr) minmax(0,1fr);gap:24px}
.foot-links h5{margin:0 0 10px;font:500 11.5px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--band-ink)}
.foot-links ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot-links a{text-decoration:none;overflow-wrap:anywhere}
.foot-links a:hover{color:var(--band-ink)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--band-line);font-size:13px}
@media (max-width:860px){.foot-top{grid-template-columns:1fr}.foot-links{grid-template-columns:1fr 1fr}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* v3 */
.reasons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.reasons article{border-top:1px solid var(--band-line);padding-block:24px 32px;display:grid;gap:10px;align-content:start}
.reasons article::before{content:"";width:12px;height:12px;background:var(--orange);clip-path:polygon(0 100%,100% 0,100% 100%)}
.reasons h3{color:#fff;font-size:21px}
.reasons p{color:var(--band-muted);font-size:15.5px}
@media (max-width:980px){.reasons{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.reasons{grid-template-columns:1fr}}
.cn-loc{margin-top:36px;font-family:var(--f-mono);font-size:13px;letter-spacing:.04em;color:var(--muted);display:flex;gap:10px;align-items:center}
.cn-loc::before{content:"";flex:none;width:10px;height:10px;background:var(--orange);clip-path:polygon(0 100%,100% 0,100% 100%)}
.p-note{margin-top:28px;padding:18px 20px;border:1px solid var(--band-line);color:var(--band-muted);font-size:14.5px;max-width:80ch}
.cl-label{font:500 12px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--orange-ink);margin:0 0 14px}
.cl-group+.cl-group{margin-top:44px}
.clients.tier{font-size:clamp(16px,1.6vw,20px);font-weight:500;gap:4px 0}
.clients.tier li:not(:last-child)::after{margin-inline:10px}
.dir-row .v .who{color:var(--band-ink)}
.dir-row .v .who~.who{margin-top:10px}
.where-cols em{font-style:normal;color:var(--band-muted);font-size:13px}
.contact-lead{margin-top:20px;color:var(--band-muted);font-size:17px;max-width:46ch}
.dir{margin-top:36px}
html:lang(zh-CN) .cl-label,html:lang(zh-CN) .p-label{letter-spacing:.06em}

.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}