:root{
  --ink:#0A0C0D;
  --ink-2:#0F1314;
  --ink-3:#151B1C;
  --line:rgba(237,234,227,.10);
  --line-2:rgba(237,234,227,.18);
  --fg:#EDEAE3;
  --muted:#A7AEA8;
  --muted-2:#828983;
  --signal:#C7F94B;
  --signal-dim:rgba(199,249,75,.14);
  --cyan:#6FE3FF;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --serif-cjk:'Noto Serif SC',serif;
  --sans-cjk:'Noto Sans SC',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--fg);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-optical-sizing:auto;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
html.zh body{font-family:var(--sans-cjk);line-height:1.78}
/* grain + grid background */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 75%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 75%);
  opacity:.5;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* ---------- nav ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(10,12,13,.72);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
nav.scrolled{border-bottom-color:var(--line)}
.nav-in{max-width:1460px;margin:0 auto;padding:16px 40px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.logo-img{height:44px;width:auto;display:block}
.foot-l .logo-img{height:38px}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--signal);box-shadow:0 0 12px var(--signal);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.nav-r{display:flex;align-items:center;gap:26px}
.nav-links{display:flex;gap:26px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:500;letter-spacing:.01em;transition:color .2s}
.nav-links a:hover{color:var(--fg)}
.lang-wrap{position:relative}
.lang{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:34px;
  background:none;border:1px solid var(--line-2);color:var(--fg);
  border-radius:7px;cursor:pointer;transition:border-color .2s,color .2s;
}
.lang:hover,.lang-wrap.open .lang{border-color:var(--signal);color:var(--signal)}
.lang svg{width:18px;height:18px;display:block}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:148px;
  background:var(--ink-2);border:1px solid var(--line-2);border-radius:10px;
  padding:6px;display:flex;flex-direction:column;gap:2px;z-index:60;
  box-shadow:0 16px 38px rgba(0,0,0,.5);
  opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:opacity .18s,transform .18s;
}
.lang-wrap.open .lang-menu{opacity:1;transform:none;pointer-events:auto}
.lang-opt{
  display:flex;align-items:center;gap:10px;font-family:var(--sans);
  font-size:13.5px;font-weight:500;text-align:left;background:none;border:none;
  color:var(--muted);padding:9px 12px;border-radius:6px;cursor:pointer;
  transition:background .15s,color .15s;
}
html.zh .lang-opt{font-family:var(--sans-cjk)}
.lang-opt:hover{background:var(--ink-3);color:var(--fg)}
.lang-opt.active{color:var(--signal)}
.lang-opt .tick{margin-left:auto;opacity:0;color:var(--signal)}
.lang-opt.active .tick{opacity:1}
.nav-cta{
  font-size:13.5px;font-weight:600;text-decoration:none;color:var(--ink);
  background:var(--signal);padding:8px 16px;border-radius:7px;transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px var(--signal-dim)}
@media(max-width:980px){.nav-links{display:none}}

/* ---------- eyebrow ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--signal);display:inline-flex;align-items:center;gap:10px;
}
html.zh .eyebrow{letter-spacing:.12em}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--signal);display:inline-block}

/* ---------- hero ---------- */
/* Vertical rhythm is viewport-relative so the hero + stat strip land above the
   fold on short laptop windows instead of pushing the strip out of view. */
header{position:relative;padding:clamp(104px,13vh,150px) 0 clamp(44px,6vh,72px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.h-display{
  font-family:var(--serif);font-weight:400;font-size:clamp(3rem,7vw,5.4rem);
  line-height:.98;letter-spacing:-.01em;margin:20px 0 22px;text-wrap:balance;
}
html.zh .h-display{font-family:var(--serif-cjk);font-weight:700;font-size:clamp(2.6rem,7vw,4.6rem);line-height:1.12;letter-spacing:.01em}
.h-display em{font-style:italic;color:var(--signal)}
html.zh .h-display em{font-style:normal}
.h-sub{font-size:clamp(1rem,1.4vw,1.18rem);color:var(--muted);max-width:34em;line-height:1.66}
.h-cta{display:flex;gap:14px;margin-top:clamp(24px,3.2vh,36px);flex-wrap:wrap}
.btn{font-weight:600;text-decoration:none;padding:13px 24px;border-radius:9px;font-size:15px;transition:transform .2s,box-shadow .2s,border-color .2s,color .2s;display:inline-flex;align-items:center;gap:8px}
.btn-pri{background:var(--signal);color:var(--ink)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 10px 30px var(--signal-dim)}
.btn-sec{border:1px solid var(--line-2);color:var(--fg)}
.btn-sec:hover{border-color:var(--signal);color:var(--signal)}

/* oscilloscope card */
.scope{
  position:relative;background:linear-gradient(160deg,var(--ink-2),var(--ink));
  border:1px solid var(--line);border-radius:16px;padding:20px;overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.scope-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.1em;margin-bottom:14px}
.scope-top .live{color:var(--signal);display:flex;align-items:center;gap:6px}
.scope-top .live i{width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 8px var(--signal);animation:pulse 1.6s infinite;display:inline-block}
.bars{display:flex;flex-direction:column;gap:13px;margin:2px 0 6px;min-height:200px;justify-content:center}
.bar{display:grid;grid-template-columns:82px 1fr 40px;align-items:center;gap:12px}
.bar .bl{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.02em;white-space:nowrap}
.bar .btrack{position:relative;height:9px;background:var(--ink-3);border:1px solid var(--line);border-radius:6px}
.bar .bfill{position:absolute;left:0;top:-1px;bottom:-1px;width:var(--v);background:linear-gradient(90deg,rgba(199,249,75,.5),var(--signal));border-radius:6px;box-shadow:0 0 12px var(--signal-dim);animation:bgrow 1.1s cubic-bezier(.2,.7,.2,1) both}
@keyframes bgrow{from{width:0}}
.bar .ci{position:absolute;top:50%;height:8px;transform:translateY(-50%);left:calc(var(--v) - var(--ci));width:calc(var(--ci) * 2);border-left:1.5px solid var(--fg);border-right:1.5px solid var(--fg);opacity:0;animation:cifade .5s ease .95s forwards}
.bar .ci::before{content:"";position:absolute;top:50%;left:0;right:0;height:1.5px;transform:translateY(-50%);background:var(--fg)}
@keyframes cifade{to{opacity:.8}}
.bar .bv{font-family:var(--mono);font-size:12px;color:var(--fg);text-align:right}
.scope-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:16px;background:var(--line);border-radius:8px;overflow:hidden}
.scope-foot div{background:var(--ink-2);padding:12px 13px}
.scope-foot .k{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted-2);text-transform:uppercase}
.scope-foot .v{font-family:var(--mono);font-size:18px;color:var(--fg);margin-top:5px}
.scope-note{font-family:var(--mono);font-size:9.5px;color:var(--muted-2);letter-spacing:.06em;margin-top:11px;text-align:right}

/* ---------- section base ---------- */
section{padding:96px 0;position:relative}
.s-head{max-width:46rem;margin-bottom:54px}
.s-title{font-family:var(--serif);font-weight:400;font-size:clamp(2.1rem,4.4vw,3.3rem);line-height:1.06;letter-spacing:-.01em;margin-top:20px;text-wrap:balance}
html.zh .s-title{font-family:var(--serif-cjk);font-weight:600;line-height:1.22;letter-spacing:.01em;font-size:clamp(1.8rem,4vw,2.8rem)}
.s-title em{font-style:italic;color:var(--signal)}
html.zh .s-title em{font-style:normal}
.s-lead{color:var(--muted);font-size:1.08rem;margin-top:20px;line-height:1.7;max-width:42em}

/* dual cards */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:780px){.dual{grid-template-columns:1fr}}
.dcard{background:var(--ink-2);border:1px solid var(--line);border-radius:16px;padding:34px;transition:transform .3s,border-color .3s}
.dcard:hover{transform:translateY(-4px);border-color:var(--line-2)}
.dcard .tag{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.dcard.seo .tag{color:var(--cyan)}
.dcard.geo .tag{color:var(--signal)}
.dcard h3{font-family:var(--serif);font-size:2rem;font-weight:400;margin:14px 0 12px}
html.zh .dcard h3{font-family:var(--serif-cjk);font-weight:600;font-size:1.6rem}
.dcard p{color:var(--muted);font-size:1rem;line-height:1.62}
.dual-note{margin-top:24px;font-size:.96rem;color:var(--muted-2);line-height:1.6;font-style:italic;border-left:2px solid var(--line-2);padding-left:18px}

/* engineering list */
.eng{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:780px){.eng{grid-template-columns:1fr}}
.eng .item{background:var(--ink);padding:32px 30px}
.eng .item h4{font-family:var(--mono);font-size:14px;letter-spacing:.04em;color:var(--fg);display:flex;align-items:center;gap:10px;margin-bottom:12px}
.eng .item h4 .i{color:var(--signal)}
.eng .item p{color:var(--muted);font-size:.98rem;line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-family:var(--mono);font-size:11px;color:var(--muted);border:1px solid var(--line-2);padding:5px 10px;border-radius:20px}
.chips-region{margin-top:9px}
.chips-region .chip{border-color:rgba(111,227,255,.26);color:var(--cyan)}
html.zh .chips-region .chip{font-family:var(--sans-cjk)}

/* metrics layers */
.layers{display:flex;flex-direction:column;gap:16px}
.layer{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start;background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:28px 30px;transition:border-color .3s}
.layer:hover{border-color:var(--line-2)}
@media(max-width:680px){.layer{grid-template-columns:1fr;gap:14px}}
.layer .lnum{font-family:var(--serif);font-size:3rem;line-height:1;color:var(--signal);opacity:.85}
html.zh .layer .lnum{font-family:var(--mono);font-size:1.6rem;font-weight:700}
.layer .ltitle{font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.layer h4{font-family:var(--serif);font-size:1.6rem;font-weight:400;margin-bottom:14px}
html.zh .layer h4{font-family:var(--serif-cjk);font-weight:600;font-size:1.3rem}
.layer .mets{display:flex;flex-wrap:wrap;gap:8px}
.met{font-family:var(--mono);font-size:12px;color:var(--fg);background:var(--ink-3);border:1px solid var(--line);padding:6px 12px;border-radius:7px}
.cadence{margin-top:22px;font-family:var(--mono);font-size:12.5px;color:var(--muted-2);letter-spacing:.05em}
.cadence b{color:var(--signal);font-weight:500}

/* process */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:880px){.proc{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.proc{grid-template-columns:1fr}}
.proc .step{background:var(--ink);padding:30px 24px;position:relative}
.proc .step .pn{font-family:var(--mono);font-size:13px;color:var(--signal);letter-spacing:.12em}
.proc .step h4{font-family:var(--serif);font-size:1.4rem;font-weight:400;margin:14px 0 8px}
html.zh .proc .step h4{font-family:var(--serif-cjk);font-weight:600;font-size:1.15rem}
.proc .step p{color:var(--muted);font-size:.93rem;line-height:1.55}
.proc .step .when{font-family:var(--mono);font-size:10.5px;color:var(--muted-2);margin-top:12px;letter-spacing:.05em}

/* boundaries */
.bound{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
@media(max-width:780px){.bound{grid-template-columns:1fr}}
.bcard{border-radius:16px;padding:32px;border:1px solid var(--line)}
.bcard.do{background:linear-gradient(165deg,rgba(199,249,75,.06),var(--ink-2))}
.bcard.dont{background:var(--ink-2)}
.bcard .bh{font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:9px}
.bcard.do .bh{color:var(--signal)}
.bcard.dont .bh{color:var(--muted)}
.bcard ul{list-style:none;display:flex;flex-direction:column;gap:13px}
.bcard li{font-size:1rem;line-height:1.5;color:var(--fg);padding-left:24px;position:relative}
.bcard.do li::before{content:"+";position:absolute;left:0;color:var(--signal);font-family:var(--mono);font-weight:700}
.bcard.dont li::before{content:"−";position:absolute;left:0;color:var(--muted-2);font-family:var(--mono);font-weight:700}
.bcard.dont li{color:var(--muted)}
.bound-quote{margin-top:30px;font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.8rem);line-height:1.4;color:var(--fg);max-width:38em}
html.zh .bound-quote{font-family:var(--serif-cjk);font-weight:600;line-height:1.55;font-size:clamp(1.15rem,2.4vw,1.5rem)}

/* CTA */
.cta-sec{padding:110px 0}
.cta-box{background:linear-gradient(150deg,var(--ink-2),var(--ink-3));border:1px solid var(--line-2);border-radius:22px;padding:64px 56px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,var(--signal-dim),transparent 65%);pointer-events:none}
.cta-box h2{font-family:var(--serif);font-size:clamp(2rem,4.6vw,3.2rem);font-weight:400;line-height:1.08;position:relative;text-wrap:balance}
html.zh .cta-box h2{font-family:var(--serif-cjk);font-weight:600;line-height:1.25;font-size:clamp(1.7rem,4vw,2.6rem)}
.cta-box p{color:var(--muted);margin:20px auto 34px;max-width:34em;position:relative;font-size:1.06rem}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;position:relative}
.cta-btns .btn{font-size:15.5px;padding:14px 26px}
.cta-btns .btn svg{width:18px;height:18px;flex:none}

/* who we serve */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:780px){.who-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.who-grid{grid-template-columns:1fr}}
.who-cell{background:var(--ink);padding:28px 26px}
.who-cell .wt{font-family:var(--mono);font-size:13px;letter-spacing:.03em;color:var(--signal);margin-bottom:11px}
html.zh .who-cell .wt{font-family:var(--sans-cjk);font-weight:600;letter-spacing:.01em}
.who-cell p{color:var(--muted);font-size:.95rem;line-height:1.58}
.who-sub{font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin:46px 0 20px}
html.zh .who-sub{font-family:var(--sans-cjk);letter-spacing:.06em}

/* faq */
.faq{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq details{background:var(--ink)}
.faq summary{
  list-style:none;cursor:pointer;padding:26px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  font-family:var(--serif);font-size:1.32rem;font-weight:400;color:var(--fg);
  transition:color .2s;
}
html.zh .faq summary{font-family:var(--serif-cjk);font-weight:600;font-size:1.12rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--signal)}
.faq summary .ic{flex:none;position:relative;width:20px;height:20px;transition:transform .3s ease}
.faq details[open] summary .ic{transform:rotate(45deg)}
.faq summary .ic::before,.faq summary .ic::after{content:"";position:absolute;background:var(--signal);border-radius:2px}
.faq summary .ic::before{top:50%;left:1px;right:1px;height:2px;transform:translateY(-50%)}
.faq summary .ic::after{left:50%;top:1px;bottom:1px;width:2px;transform:translateX(-50%)}
.faq .ans{padding:0 30px 26px;color:var(--muted);font-size:1.02rem;line-height:1.72;max-width:62em}

/* footer */
footer{border-top:1px solid var(--line);padding:46px 0}
.foot-in{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot-l .logo{margin-bottom:12px}
.foot-l p{color:var(--muted-2);font-size:13px;max-width:30em;line-height:1.6}
.foot-r{font-family:var(--mono);font-size:12px;color:var(--muted-2);text-align:right;line-height:2}
.foot-r a{color:var(--muted);text-decoration:none}
.foot-r a:hover{color:var(--signal)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
[hidden]{display:none!important}

/* ---------- hero stat strip ---------- */
.hstats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:clamp(30px,4.5vh,58px);
  background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
@media(max-width:780px){.hstats{grid-template-columns:1fr}}
.hstat{background:var(--ink);padding:22px 24px 24px}
.hstat .hv{font-family:var(--mono);font-size:2.6rem;font-weight:700;line-height:1;color:var(--signal);letter-spacing:-.02em}
.hstat .hv span{font-size:1.5rem;font-weight:500}
.hstat .hv .pre{font-size:1.5rem;opacity:.6}
.hstat .hk{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg);margin:12px 0 8px}
html.zh .hstat .hk{font-family:var(--sans-cjk);letter-spacing:.06em;font-weight:600}
.hstat p{color:var(--muted);font-size:.93rem;line-height:1.6}

/* ---------- three eras ---------- */
.eras{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:880px){.eras{grid-template-columns:1fr}}
.era{background:var(--ink-2);border:1px solid var(--line);border-radius:16px;padding:28px 26px;transition:transform .3s,border-color .3s}
.era:hover{transform:translateY(-4px);border-color:var(--line-2)}
.era.now{border-color:rgba(199,249,75,.36);background:linear-gradient(165deg,rgba(199,249,75,.05),var(--ink-2));box-shadow:0 0 46px rgba(199,249,75,.07)}
.era .ev{font-family:var(--mono);font-size:1.5rem;font-weight:700;color:var(--signal);line-height:1}
.era .ey{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted-2);margin-top:7px}
.era .eh{font-family:var(--serif);font-size:1.42rem;font-weight:400;margin-top:16px}
html.zh .era .eh{font-family:var(--serif-cjk);font-weight:600;font-size:1.2rem}
.era .eq{color:var(--signal);font-size:.97rem;font-weight:600;margin:6px 0 12px}
.era p{color:var(--muted);font-size:.95rem;line-height:1.6}
.era .ee{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted-2);margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
html.zh .era .ee{font-family:var(--sans-cjk);letter-spacing:.02em}

/* ---------- four outcomes ---------- */
.outcomes{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.orow{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;background:var(--ink);padding:22px 28px;align-items:center}
@media(max-width:720px){.orow{grid-template-columns:1fr;gap:8px;padding:20px 22px}}
.orow.ohead{
  background:var(--ink-2);font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted-2);padding:14px 28px;
}
html.zh .orow.ohead{font-family:var(--sans-cjk);letter-spacing:.06em}
@media(max-width:720px){.orow.ohead{display:none}}
.orow .ol{display:flex;align-items:flex-start;gap:13px;font-size:1.01rem;line-height:1.5;color:var(--muted)}
.orow .om{
  flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  font-family:var(--mono);font-size:12px;font-weight:700;margin-top:2px;
  background:var(--ink-3);border:1px solid var(--line-2);color:var(--muted-2);
}
.orow .or{color:var(--muted-2);font-size:.96rem;line-height:1.55}
.orow.good{background:linear-gradient(100deg,rgba(199,249,75,.07),var(--ink) 62%)}
.orow.good .ol{color:var(--fg);font-weight:600}
.orow.good .om{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.orow.good .or{color:var(--fg)}

/* ---------- what we solve ---------- */
.solve-lead{color:var(--muted);font-size:1.04rem;margin:-6px 0 24px;line-height:1.65;max-width:42em}
.solve{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:940px){.solve{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.solve{grid-template-columns:1fr}}
.scell{background:var(--ink);padding:28px 24px}
.scell .sn{font-family:var(--mono);font-size:12px;color:var(--signal);letter-spacing:.12em}
.scell h4{font-family:var(--serif);font-size:1.34rem;font-weight:400;margin:13px 0 9px}
html.zh .scell h4{font-family:var(--serif-cjk);font-weight:600;font-size:1.14rem}
.scell p{color:var(--muted);font-size:.93rem;line-height:1.58}

/* ---------- our system (moat) ---------- */
.sys-grid{display:grid;grid-template-columns:1fr 1.02fr;gap:44px;align-items:start}
@media(max-width:940px){.sys-grid{grid-template-columns:1fr;gap:34px}}
.sys-pillars{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.pillar{background:var(--ink);padding:28px 28px}
.pillar .ph{font-family:var(--mono);font-size:14px;letter-spacing:.04em;color:var(--fg);display:flex;align-items:center;gap:10px;margin-bottom:11px}
html.zh .pillar .ph{font-family:var(--sans-cjk);font-weight:600;letter-spacing:.02em;font-size:1rem}
.pillar .ph .i{color:var(--signal)}
.pillar p{color:var(--muted);font-size:.97rem;line-height:1.62}

.console{
  background:linear-gradient(160deg,var(--ink-2),var(--ink));
  border:1px solid var(--line);border-radius:16px;padding:20px;overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.con-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.1em;margin-bottom:16px}
.con-top .live{color:var(--signal);display:flex;align-items:center;gap:6px}
.con-top .live i{width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 8px var(--signal);animation:pulse 1.6s infinite;display:inline-block}
.con-head,.crow{display:grid;grid-template-columns:84px 1fr 52px;gap:12px;align-items:center}
.con-head{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--muted-2);
  padding-bottom:9px;border-bottom:1px solid var(--line);
}
html.zh .con-head{font-family:var(--sans-cjk);letter-spacing:.06em;font-size:10.5px}
.con-head span:last-child,.crow .cr{text-align:right}
.con-rows{display:flex;flex-direction:column}
.crow{padding:11px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px}
html.zh .crow{font-family:var(--sans-cjk);font-size:12px}
.crow .ce{color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crow .cq{color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crow .cr{font-family:var(--mono);white-space:nowrap}
.crow .cr.ok{color:var(--signal)}
.crow .cr.no{color:var(--muted-2)}
.con-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:18px;background:var(--line);border-radius:8px;overflow:hidden}
.con-foot div{background:var(--ink-2);padding:12px 13px}
.con-foot .k{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted-2);text-transform:uppercase}
html.zh .con-foot .k{font-family:var(--sans-cjk);letter-spacing:.04em}
.con-foot .v{font-family:var(--mono);font-size:18px;color:var(--fg);margin-top:5px}
.con-note{font-family:var(--mono);font-size:9.5px;color:var(--muted-2);letter-spacing:.06em;margin-top:12px;text-align:right}
html.zh .con-note{font-family:var(--sans-cjk);letter-spacing:.02em;font-size:10.5px}

/* ---------- deliverables ---------- */
.deliv{display:grid;grid-template-columns:1fr 1fr;gap:2px 44px}
@media(max-width:780px){.deliv{grid-template-columns:1fr;gap:2px}}
.ditem{padding:18px 0 18px 26px;position:relative;border-bottom:1px solid var(--line)}
.ditem::before{content:"";position:absolute;left:0;top:26px;width:9px;height:9px;border-radius:2px;background:var(--signal)}
.ditem .dh{font-size:1.04rem;font-weight:600;color:var(--fg)}
.ditem p{color:var(--muted);font-size:.94rem;line-height:1.55;margin-top:4px}

/* ---------- plans / tiers ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px}
@media(max-width:880px){.tiers{grid-template-columns:1fr;gap:18px}}
.tier{
  background:var(--ink-2);border:1px solid var(--line);border-radius:18px;padding:32px 28px;
  display:flex;flex-direction:column;position:relative;transition:transform .3s,border-color .3s;
}
.tier:hover{transform:translateY(-4px);border-color:var(--line-2)}
.tier.reco{
  border-color:rgba(199,249,75,.4);
  background:linear-gradient(168deg,rgba(199,249,75,.07),var(--ink-2) 52%);
  box-shadow:0 0 60px rgba(199,249,75,.09);
}
.tbadge{
  position:absolute;top:-12px;left:28px;background:var(--signal);color:var(--ink);
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 12px;border-radius:6px;white-space:nowrap;
}
html.zh .tbadge{font-family:var(--sans-cjk);letter-spacing:.04em;text-transform:none;font-size:11.5px}
.tier .tn{font-family:var(--serif);font-size:1.9rem;font-weight:400;line-height:1}
html.zh .tier .tn{font-family:var(--serif-cjk);font-weight:600}
.tier .tfit{color:var(--muted);font-size:.95rem;line-height:1.55;margin:12px 0 20px;min-height:3em}
.tier .tprice{
  font-family:var(--mono);font-size:1.02rem;color:var(--signal);letter-spacing:.02em;
  padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
html.zh .tier .tprice{font-family:var(--sans-cjk);font-weight:600}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:11px;margin:22px 0 26px}
.tier li{font-size:.97rem;line-height:1.5;color:var(--fg);padding-left:22px;position:relative}
.tier li::before{content:"+";position:absolute;left:0;color:var(--signal);font-family:var(--mono);font-weight:700}
.tbtn{
  margin-top:auto;text-align:center;text-decoration:none;font-weight:600;font-size:14.5px;
  padding:12px 20px;border-radius:9px;border:1px solid var(--line-2);color:var(--fg);
  transition:border-color .2s,color .2s,transform .2s,box-shadow .2s;
}
.tbtn:hover{border-color:var(--signal);color:var(--signal)}
.tbtn.pri{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.tbtn.pri:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 10px 30px var(--signal-dim)}

/* ---------- contact form ---------- */
.cta-form{position:relative;max-width:660px;margin:0 auto;text-align:left;display:flex;flex-direction:column;gap:16px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:620px){.frow{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field > span{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
html.zh .field > span{font-family:var(--sans-cjk);letter-spacing:.05em;font-size:12.5px;font-weight:500}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:15px;color:var(--fg);
  background:rgba(10,12,13,.55);border:1px solid var(--line-2);border-radius:9px;
  padding:12px 14px;width:100%;transition:border-color .2s,background .2s;
  -webkit-appearance:none;appearance:none;
}
html.zh .field input,html.zh .field select,html.zh .field textarea{font-family:var(--sans-cjk)}
.field textarea{resize:vertical;min-height:78px;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2);opacity:.75}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);background:rgba(10,12,13,.8)}
.field input:user-invalid,.field textarea:user-invalid{border-color:rgba(255,140,120,.55)}
.field select{
  cursor:pointer;padding-right:38px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23A7AEA8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;
}
.field select option{background:var(--ink-2);color:var(--fg)}
.fbottom{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.fsubmit{border:none;cursor:pointer;font-family:var(--sans);font-size:15px}
html.zh .fsubmit{font-family:var(--sans-cjk)}
.fsubmit[disabled]{opacity:.55;cursor:default;transform:none;box-shadow:none}
.fnote{color:var(--muted-2);font-size:.87rem;line-height:1.5;flex:1;min-width:200px}
.fstatus{font-size:.94rem;line-height:1.55;padding:12px 15px;border-radius:9px;margin-top:2px}
.fstatus.ok{color:var(--signal);background:rgba(199,249,75,.08);border:1px solid rgba(199,249,75,.3)}
.fstatus.err{color:#FFB4A2;background:rgba(255,140,120,.07);border:1px solid rgba(255,140,120,.3)}
.cta-or{
  position:relative;display:flex;align-items:center;gap:16px;
  max-width:660px;margin:38px auto 26px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);
}
html.zh .cta-or{font-family:var(--sans-cjk);letter-spacing:.06em;font-size:12.5px;text-transform:none}
.cta-or::before,.cta-or::after{content:"";flex:1;height:1px;background:var(--line-2)}
.cta-note{position:relative;color:var(--muted-2);font-size:.9rem;margin-top:20px}

/* ---------- CJK typography ---------- */
/* strict kinsoku: keeps 。、，」？ off the start of a line */
html.zh{line-break:strict}
/* CJK breaks at any character, so a short tail line ("案入口。") is common.
   `pretty` only rescues Latin last-word orphans — `balance` evens out every
   line, which is what short blocks of Chinese copy need. Chrome applies it
   up to 6 lines, so long-form text is untouched. */
.s-lead,.h-sub,.hstat p,.era p,.dcard p,.scell p,.who-cell p,
.pillar p,.eng .item p,.ditem p,.orow .or,.tier .tfit,
.proc .step p,.bcard li,.cta-box p{text-wrap:balance}
/* leads that read better as a single line than as a balanced two-line block */
.s-head.lead-wide,.s-head.lead-wide .s-lead{max-width:none}