:root{
  --black:#0d0f11;
  --carbon:#15181b;
  --steel:#23282d;
  --steel-2:#2d3339;
  --gunmetal:#4a525a;
  --arctic:#c7ced4;
  --white:#f4f6f7;
  --amber:#ffb400;
  --amber-dark:#bd8500;
  --amber-soft:rgba(255,180,0,.09);
  --ice:#5b7a8c;
  --ice-soft:rgba(91,122,140,.12);
  --green:#5bd6a2;
  --red:#ff6b5f;
  --max:1240px;
  --pad:clamp(20px,4vw,64px);
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --en:'Archivo',Arial,sans-serif;
  --display:'Oswald','Arial Narrow',sans-serif;
  --zh:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --zh-serif:'Noto Serif SC','Songti SC',serif;
  --shadow:0 24px 80px rgba(0,0,0,.38);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;background:var(--black)}
body{margin:0;background:var(--black);color:var(--arctic);font-family:var(--en);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body[data-lock="true"]{overflow:hidden}
[data-lang="zh"] .en{display:none!important}
[data-lang="en"] .zh{display:none!important}
[lang="zh"]{font-family:var(--zh)}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{max-width:100%}
::selection{background:var(--amber);color:var(--black)}
:focus-visible{outline:2px solid var(--amber);outline-offset:4px}
.skip{position:fixed;left:12px;top:-60px;z-index:10000;background:var(--amber);color:var(--black);padding:10px 14px;font-weight:800;transition:top .2s}
.skip:focus{top:12px}
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(74,82,90,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(74,82,90,.18) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000,transparent 86%)}
.noise{position:absolute;inset:0;pointer-events:none;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.24'/%3E%3C/svg%3E")}
.cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%)}
.eyebrow{display:flex;align-items:center;gap:10px;font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--amber)}
.tag{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--gunmetal);background:rgba(13,15,17,.74);padding:7px 10px;font:600 10px/1 var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--arctic);white-space:nowrap}
.tag::before{content:"";width:6px;height:6px;background:var(--amber);box-shadow:0 0 12px rgba(255,180,0,.6)}
.tag.ice::before{background:var(--ice);box-shadow:none}
.tag.green::before{background:var(--green);box-shadow:0 0 12px rgba(91,214,162,.5)}
.target{display:inline-flex;border:1px solid var(--amber-dark);padding:2px 6px;font:700 8px/1.4 var(--mono);letter-spacing:.1em;color:var(--amber);vertical-align:middle;margin-left:5px}
.section{position:relative;padding:clamp(78px,9vw,128px) var(--pad)}
.wrap{width:min(100%,var(--max));margin-inline:auto;position:relative;z-index:2}
.section-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;margin-bottom:clamp(34px,5vw,64px)}
.section-no{font:700 13px/1 var(--mono);color:var(--amber)}
.section-head h2{margin:0;color:var(--white);font:800 clamp(28px,4.5vw,56px)/1.04 var(--en);letter-spacing:-.025em;text-transform:uppercase}
.section-head h2.zh{font-family:var(--zh-serif);font-size:clamp(27px,4vw,50px);line-height:1.22;letter-spacing:.02em;text-transform:none}
.section-line{height:1px;background:linear-gradient(90deg,var(--steel),transparent)}
.section-code{font:500 10px/1 var(--mono);letter-spacing:.13em;color:var(--gunmetal);white-space:nowrap}
.lead{max-width:850px;margin:-22px 0 52px;color:var(--arctic);font-size:clamp(17px,2vw,22px);line-height:1.75}
.lead.zh{font-family:var(--zh);letter-spacing:.01em}
.lead strong{color:var(--white)}
.amber{color:var(--amber)}
.white{color:var(--white)}
.mono{font-family:var(--mono)}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);border-bottom:1px solid rgba(74,82,90,.42);background:rgba(13,15,17,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.brand img{width:188px;height:auto;display:block}
.nav-center{display:flex;align-items:center;gap:clamp(14px,2.2vw,30px);margin-left:auto;margin-right:28px}
.nav-center a{font:600 10px/1 var(--mono);letter-spacing:.11em;text-transform:uppercase;color:#879099;transition:color .2s}
.nav-center a:hover{color:var(--white)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-toggle{display:flex;border:1px solid var(--gunmetal);background:var(--carbon)}
.lang-btn{border:0;background:transparent;color:var(--gunmetal);padding:10px 12px;min-width:44px;min-height:42px;cursor:pointer;font:700 10px/1 var(--mono);letter-spacing:.08em}
.lang-btn.on{background:var(--amber);color:var(--black)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;background:var(--amber);color:var(--black);font:800 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,180,0,.2)}
.menu-btn{display:none;width:44px;height:42px;border:1px solid var(--gunmetal);background:var(--carbon);color:var(--white);cursor:pointer;align-items:center;justify-content:center}
.menu-btn span,.menu-btn::before,.menu-btn::after{content:"";display:block;width:18px;height:1px;background:currentColor;position:absolute;transition:.2s}
.menu-btn span{transform:translateY(0)}
.menu-btn::before{transform:translateY(-6px)}
.menu-btn::after{transform:translateY(6px)}
.menu-btn.open span{opacity:0}
.menu-btn.open::before{transform:rotate(45deg)}
.menu-btn.open::after{transform:rotate(-45deg)}
.mobile-menu{display:none;position:fixed;inset:72px 0 auto;background:rgba(13,15,17,.98);border-bottom:1px solid var(--steel);z-index:999;padding:22px var(--pad) 28px}
.mobile-menu.open{display:grid}
.mobile-menu a{padding:14px 0;border-bottom:1px solid var(--steel);font:700 13px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--white)}
.hero{position:relative;min-height:100svh;padding:120px var(--pad) 58px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(ellipse at 72% 28%,#26303a 0,#171b1f 28%,var(--black) 72%)}
.hero::after{content:"";position:absolute;left:-12vw;right:-12vw;bottom:-10vw;height:20vw;background:linear-gradient(180deg,transparent,var(--black));transform:rotate(-2deg)}
.hero-inner{width:min(100%,var(--max));margin:auto;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:clamp(34px,6vw,84px);align-items:center;position:relative;z-index:3}
.hero-kicker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.hero h1{margin:0 0 24px;color:var(--white);font:900 clamp(48px,7.2vw,104px)/.91 var(--display);letter-spacing:-.035em;text-transform:uppercase;max-width:830px}
.hero h1.zh{font-family:var(--zh-serif);font-size:clamp(38px,5.6vw,78px);line-height:1.22;letter-spacing:.025em;text-transform:none}
.hero h1 .stroke{color:var(--white);text-shadow:none}
.hero-copy{max-width:680px;margin:0 0 30px;font-size:clamp(16px,1.6vw,20px);line-height:1.75;color:#b3bbc2}
.hero-copy.zh{font-family:var(--zh)}
.hero-copy strong{color:var(--white)}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 20px;border:1px solid var(--amber);font:800 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;transition:.22s;cursor:pointer}
.btn.primary{background:var(--amber);color:var(--black)}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(255,180,0,.2)}
.btn.ghost{background:rgba(13,15,17,.5);color:var(--white);border-color:var(--gunmetal)}
.btn.ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn svg{width:15px;height:15px}
.hero-status{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:660px;border:1px solid var(--steel);background:var(--steel);gap:1px}
.status-cell{padding:14px 16px;background:rgba(13,15,17,.92)}
.status-cell span{display:block;font:600 9px/1.2 var(--mono);letter-spacing:.12em;color:var(--gunmetal);text-transform:uppercase;margin-bottom:7px}
.status-cell b{display:block;color:var(--white);font:700 12px/1.4 var(--mono);letter-spacing:.03em}
.status-cell b.zh{font-family:var(--zh);font-size:12px}
.visual{position:relative;min-width:0}
.visual-frame{position:relative;border:1px solid var(--gunmetal);background:var(--carbon);padding:10px;box-shadow:var(--shadow);clip-path:polygon(0 0,100% 0,100% calc(100% - 34px),calc(100% - 34px) 100%,0 100%)}
.visual-frame::before,.visual-frame::after{content:"";position:absolute;z-index:3;pointer-events:none}
.visual-frame::before{top:0;left:18px;width:86px;height:3px;background:var(--amber)}
.visual-frame::after{right:0;bottom:25px;width:56px;height:1px;background:var(--amber)}
.robot-image{width:100%;aspect-ratio:1.08/1;object-fit:cover;display:block;filter:contrast(1.08) saturate(.88);background:#111}
.visual-scrim{position:absolute;inset:10px;background:linear-gradient(180deg,transparent 45%,rgba(13,15,17,.94));pointer-events:none}
.visual-label{position:absolute;left:28px;right:28px;bottom:30px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;z-index:4}
.visual-label strong{display:block;color:var(--white);font:900 22px/1 var(--display);letter-spacing:.05em;text-transform:uppercase}
.visual-label small{display:block;margin-top:7px;font:500 9px/1.4 var(--mono);letter-spacing:.1em;color:var(--amber)}
.visual-target{font:600 9px/1.5 var(--mono);color:var(--arctic);text-align:right}
.telemetry{position:absolute;left:-42px;top:8%;z-index:5;width:170px;background:rgba(13,15,17,.9);border:1px solid var(--steel);padding:12px 13px;box-shadow:0 16px 38px rgba(0,0,0,.28)}
.telemetry-head{display:flex;align-items:center;justify-content:space-between;font:700 8px/1 var(--mono);letter-spacing:.1em;color:var(--amber);margin-bottom:11px}
.telemetry-head i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 2s infinite}
.telemetry-row{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--steel);padding:7px 0 0;margin-top:7px;font:500 8px/1.2 var(--mono);color:var(--gunmetal)}
.telemetry-row b{color:var(--white);font-weight:600}
.snow{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:2}
.snow i{position:absolute;top:-15%;width:2px;height:18px;background:linear-gradient(transparent,rgba(244,246,247,.7));transform:rotate(12deg);animation:snowfall linear infinite}
.snow i:nth-child(1){left:5%;animation-duration:7s;animation-delay:-2s}.snow i:nth-child(2){left:14%;animation-duration:10s;animation-delay:-4s}.snow i:nth-child(3){left:26%;animation-duration:8s;animation-delay:-6s}.snow i:nth-child(4){left:39%;animation-duration:11s;animation-delay:-1s}.snow i:nth-child(5){left:53%;animation-duration:9s;animation-delay:-7s}.snow i:nth-child(6){left:65%;animation-duration:12s;animation-delay:-3s}.snow i:nth-child(7){left:78%;animation-duration:8s;animation-delay:-5s}.snow i:nth-child(8){left:91%;animation-duration:10s;animation-delay:-8s}
@keyframes snowfall{to{transform:translate3d(-90px,120vh,0) rotate(12deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.scroll-cue{position:absolute;left:var(--pad);bottom:28px;z-index:5;display:flex;align-items:center;gap:12px;color:var(--gunmetal);font:600 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.scroll-cue::before{content:"";width:44px;height:1px;background:var(--gunmetal)}
.storm{background:linear-gradient(180deg,var(--black),#101317)}
.clock-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:clamp(30px,6vw,86px);align-items:start}
.clock{position:sticky;top:118px;border:1px solid var(--steel);background:var(--carbon);padding:28px;min-height:420px;overflow:hidden}
.clock::before{content:"04:17";position:absolute;right:-12px;bottom:-30px;color:rgba(255,255,255,.025);font:900 170px/1 var(--display);letter-spacing:-.06em}
.clock-time{font:900 clamp(74px,10vw,142px)/.86 var(--display);color:var(--white);letter-spacing:-.05em}
.clock-zone{font:600 10px/1 var(--mono);letter-spacing:.14em;color:var(--amber);margin-top:10px}
.clock h3{margin:62px 0 14px;color:var(--white);font:800 clamp(25px,3vw,40px)/1.1 var(--en)}
.clock h3.zh{font-family:var(--zh-serif);letter-spacing:.03em}
.clock p{margin:0;max-width:440px;color:#9da6ad}
.clock p.zh{font-family:var(--zh)}
.pain-list{display:grid;gap:12px}
.pain{display:grid;grid-template-columns:68px 1fr auto;gap:20px;align-items:start;padding:23px 24px;border:1px solid var(--steel);background:rgba(21,24,27,.62);transition:.25s;position:relative;overflow:hidden}
.pain::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--amber);transition:width .3s}
.pain:hover{transform:translateX(6px);border-color:var(--gunmetal)}
.pain:hover::after{width:100%}
.pain-num{font:800 22px/1 var(--mono);color:var(--amber)}
.pain h3{margin:0 0 8px;color:var(--white);font:800 18px/1.25 var(--en)}
.pain h3.zh{font-family:var(--zh);letter-spacing:.02em}
.pain p{margin:0;color:#98a1a8;font-size:14px}
.pain p.zh{font-family:var(--zh)}
.pain-code{font:600 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal);padding-top:5px}
.thesis{background:var(--white);color:#333b42;overflow:hidden}
.thesis .section-head h2,.thesis .lead strong{color:var(--black)}
.thesis .section-line{background:linear-gradient(90deg,#c7ced4,transparent)}
.thesis .lead{color:#556069}
.manifesto{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,6vw,84px);align-items:center}
.manifesto-title{margin:0;font:900 clamp(46px,7vw,90px)/.94 var(--display);letter-spacing:-.035em;text-transform:uppercase;color:var(--black)}
.manifesto-title.zh{font-family:var(--zh-serif);font-size:clamp(38px,5.8vw,72px);line-height:1.1;letter-spacing:.035em;text-transform:none}
.manifesto-title em{font-style:normal;color:var(--black);text-shadow:none}
.manifesto-copy{border-left:4px solid var(--amber);padding:8px 0 8px 28px}
.manifesto-copy p{font-size:clamp(16px,1.6vw,20px);line-height:1.75;margin:0 0 20px;color:#4d5962}
.manifesto-copy p.zh{font-family:var(--zh)}
.manifesto-copy strong{color:var(--black)}
.category-strip{margin-top:58px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #ced4d8;background:#ced4d8;gap:1px}
.cat{background:var(--white);padding:20px}
.cat small{display:block;font:700 9px/1 var(--mono);letter-spacing:.12em;color:#849099;margin-bottom:12px}
.cat b{display:block;font:800 15px/1.25 var(--en);color:var(--black);text-transform:uppercase}
.cat b.zh{font-family:var(--zh);text-transform:none}
.physical{background:radial-gradient(circle at 20% 35%,rgba(91,122,140,.13),transparent 35%),var(--black)}
.ai-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:clamp(34px,6vw,78px);align-items:center}
.ai-copy h3{margin:0 0 22px;color:var(--white);font:900 clamp(32px,4vw,52px)/1.04 var(--en);letter-spacing:-.02em}
.ai-copy h3.zh{font-family:var(--zh-serif);letter-spacing:.03em}
.ai-copy p{margin:0 0 22px;color:#aab2b9;font-size:17px;line-height:1.8}
.ai-copy p.zh{font-family:var(--zh)}
.ai-copy blockquote{margin:28px 0 0;padding:19px 22px;border:1px solid var(--steel);border-left:3px solid var(--ice);background:var(--carbon);color:var(--white);font-size:15px}
.ai-copy blockquote.zh{font-family:var(--zh)}
.loop{position:relative;aspect-ratio:1/1;max-width:600px;margin-left:auto;border:1px solid var(--steel);background:radial-gradient(circle,rgba(91,122,140,.16),transparent 50%),var(--carbon);overflow:hidden}
.loop::before,.loop::after{content:"";position:absolute;border:1px solid rgba(91,122,140,.35);border-radius:50%;inset:12%;animation:spin 32s linear infinite}
.loop::after{inset:26%;border-style:dashed;animation-direction:reverse;animation-duration:22s}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;inset:36%;display:grid;place-items:center;background:var(--amber);color:var(--black);clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);font:900 14px/1.2 var(--mono);letter-spacing:.09em;text-align:center;z-index:2}
.node{position:absolute;width:132px;padding:13px;border:1px solid var(--gunmetal);background:rgba(13,15,17,.93);z-index:3}
.node b{display:block;color:var(--white);font:800 12px/1 var(--mono);letter-spacing:.08em;margin-bottom:7px}
.node b.zh{font-family:var(--zh);letter-spacing:.03em}
.node span{display:block;color:var(--gunmetal);font:500 9px/1.45 var(--mono)}
.node.n1{top:8%;left:50%;transform:translateX(-50%)}
.node.n2{top:38%;right:3%}
.node.n3{bottom:7%;right:18%}
.node.n4{bottom:7%;left:18%}
.node.n5{top:38%;left:3%}
.loop-caption{position:absolute;left:16px;bottom:15px;font:600 8px/1.4 var(--mono);letter-spacing:.11em;color:var(--gunmetal)}
.anatomy{background:var(--carbon);border-top:1px solid var(--steel);border-bottom:1px solid var(--steel)}
.anatomy-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,5vw,68px);align-items:start}
.product-stage{position:sticky;top:105px;border:1px solid var(--steel);background:#101316;padding:10px;overflow:hidden;min-height:650px}
.product-stage img{width:100%;height:630px;object-fit:cover;display:block;filter:saturate(.78) contrast(1.08)}
.product-stage::after{content:"";position:absolute;inset:10px;background:linear-gradient(180deg,rgba(13,15,17,.05),rgba(13,15,17,.92));pointer-events:none}
.scanline{position:absolute;left:10px;right:10px;height:1px;background:linear-gradient(90deg,transparent,var(--amber),transparent);z-index:3;top:18%;animation:scan 5s ease-in-out infinite}
@keyframes scan{0%,100%{top:12%;opacity:.2}50%{top:84%;opacity:1}}
.annotation{position:absolute;z-index:4;display:flex;align-items:center;gap:9px;font:700 8px/1 var(--mono);letter-spacing:.09em;color:var(--white);text-transform:uppercase}
.annotation::after{content:"";width:58px;height:1px;background:var(--amber)}
.annotation.a1{top:21%;left:5%}.annotation.a2{top:46%;right:5%;flex-direction:row-reverse}.annotation.a3{bottom:21%;left:5%}.annotation.a4{bottom:9%;right:5%;flex-direction:row-reverse}
.specs{display:grid;gap:10px}
.spec{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:19px;border:1px solid var(--steel);background:var(--black);transition:.22s}
.spec:hover{border-color:var(--gunmetal);transform:translateY(-2px)}
.spec-icon{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--gunmetal);color:var(--amber);font:800 14px/1 var(--mono)}
.spec h3{margin:1px 0 7px;color:var(--white);font:800 16px/1.25 var(--en);text-transform:uppercase;letter-spacing:.02em}
.spec h3.zh{font-family:var(--zh);text-transform:none}
.spec p{margin:0;color:#929ca4;font-size:13.5px;line-height:1.65}
.spec p.zh{font-family:var(--zh)}
.spec small{display:block;margin-top:8px;color:var(--ice);font:600 8px/1.4 var(--mono);letter-spacing:.09em}
.roadmap{background:var(--black)}
.roadmap-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--steel)}
.roadmap-track::before{content:"";position:absolute;left:12.5%;right:12.5%;top:42px;height:2px;background:linear-gradient(90deg,var(--amber) 0 34%,var(--gunmetal) 34% 100%);z-index:1}
.phase{position:relative;padding:26px 22px 28px;border-right:1px solid var(--steel);min-height:390px;background:linear-gradient(180deg,rgba(255,255,255,.012),transparent);z-index:2}
.phase:last-child{border-right:0}
.phase-dot{width:14px;height:14px;border-radius:50%;border:3px solid var(--black);background:var(--gunmetal);box-shadow:0 0 0 1px var(--gunmetal);margin:10px auto 38px}
.phase.current .phase-dot{background:var(--amber);box-shadow:0 0 0 1px var(--amber),0 0 20px rgba(255,180,0,.45)}
.phase-k{font:700 9px/1 var(--mono);letter-spacing:.12em;color:var(--gunmetal);margin-bottom:12px}
.phase.current .phase-k{color:var(--amber)}
.phase h3{margin:0 0 13px;color:var(--white);font:900 23px/1 var(--display);letter-spacing:.03em;text-transform:uppercase}
.phase h3.zh{font-family:var(--zh-serif);font-size:20px;text-transform:none}
.phase p{margin:0 0 18px;color:#98a1a9;font-size:13.5px;min-height:64px}
.phase p.zh{font-family:var(--zh)}
.phase ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.phase li{position:relative;padding-left:14px;color:#aeb5bb;font-size:12px;line-height:1.5}
.phase li.zh{font-family:var(--zh)}
.phase li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:1px;background:var(--amber)}
.phase-state{position:absolute;right:16px;top:15px;font:700 8px/1 var(--mono);letter-spacing:.08em;color:var(--gunmetal)}
.phase.current .phase-state{color:var(--amber)}
.roadmap-note{margin-top:18px;padding:16px 18px;border:1px solid var(--steel);background:var(--carbon);display:flex;gap:14px;align-items:flex-start;color:#909aa2;font-size:12.5px}
.roadmap-note::before{content:"!";flex:0 0 22px;height:22px;display:grid;place-items:center;border:1px solid var(--amber);color:var(--amber);font:700 11px/1 var(--mono)}
.roadmap-note.zh{font-family:var(--zh)}
.operations{background:linear-gradient(135deg,#11151a,#0d0f11)}
.ops-shell{display:grid;grid-template-columns:280px 1fr;border:1px solid var(--steel);min-height:590px;background:var(--carbon);box-shadow:var(--shadow)}
.ops-side{border-right:1px solid var(--steel);padding:22px}
.ops-logo{font:900 22px/1 var(--display);letter-spacing:.08em;color:var(--white);margin-bottom:5px}
.ops-sub{font:600 8px/1.4 var(--mono);letter-spacing:.1em;color:var(--gunmetal);margin-bottom:28px}
.ops-nav{display:grid;gap:8px}
.ops-nav button{display:flex;align-items:center;justify-content:space-between;border:1px solid transparent;background:transparent;color:#7f8991;padding:12px 11px;text-align:left;cursor:pointer;font:600 10px/1.2 var(--mono);letter-spacing:.05em}
.ops-nav button.on{background:var(--steel);border-color:var(--gunmetal);color:var(--white)}
.ops-nav button.on::after{content:"●";color:var(--green);font-size:8px}
.ops-summary{margin-top:32px;border-top:1px solid var(--steel);padding-top:18px;display:grid;gap:12px}
.ops-summary div{display:flex;justify-content:space-between;font:500 9px/1 var(--mono);color:var(--gunmetal)}
.ops-summary b{color:var(--white)}
.ops-main{padding:26px;min-width:0}
.ops-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}
.ops-top h3{margin:0 0 7px;color:var(--white);font:800 23px/1.1 var(--en)}
.ops-top h3.zh{font-family:var(--zh)}
.ops-top p{margin:0;color:var(--gunmetal);font:500 9px/1.4 var(--mono);letter-spacing:.06em}
.ops-live{display:flex;align-items:center;gap:8px;color:var(--green);font:700 9px/1 var(--mono);letter-spacing:.1em}
.ops-live i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.route-map{height:260px;position:relative;border:1px solid var(--steel);overflow:hidden;background-color:#0b0e11;background-image:linear-gradient(rgba(74,82,90,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(74,82,90,.13) 1px,transparent 1px);background-size:28px 28px;margin-bottom:14px}
.route-map svg{width:100%;height:100%}
.route-map .route{stroke:var(--amber);stroke-width:3;fill:none;stroke-dasharray:8 7;animation:dash 12s linear infinite}
.route-map .planned{stroke:var(--ice);stroke-width:8;opacity:.12;fill:none}
.route-map .building{fill:#171c21;stroke:#333b43;stroke-width:1}
.route-map .robot{fill:var(--amber);filter:drop-shadow(0 0 8px rgba(255,180,0,.7))}
@keyframes dash{to{stroke-dashoffset:-150}}
.map-label{position:absolute;font:600 8px/1 var(--mono);letter-spacing:.08em;color:var(--gunmetal)}
.map-label.l1{left:7%;top:10%}.map-label.l2{right:8%;top:18%}.map-label.l3{right:10%;bottom:12%}
.ops-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ops-card{border:1px solid var(--steel);background:var(--black);padding:15px}
.ops-card small{display:block;font:600 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal);margin-bottom:10px}
.ops-card b{display:block;color:var(--white);font:800 19px/1 var(--mono);margin-bottom:4px}
.ops-card span{font:500 9px/1.4 var(--mono);color:var(--ice)}
.ops-panel{display:none}.ops-panel.on{display:block}
.audiences{background:var(--white);color:#4c5760}
.audiences .section-head h2{color:var(--black)}
.audiences .section-line{background:linear-gradient(90deg,#cad0d5,transparent)}
.audience-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.aud-tab{border:1px solid #d4d9dd;background:#edf0f2;padding:20px;text-align:left;cursor:pointer;min-height:136px;transition:.2s;position:relative}
.aud-tab:hover{transform:translateY(-3px);border-color:#aeb6bd}
.aud-tab.on{background:var(--black);border-color:var(--black);color:var(--white)}
.aud-tab::after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;background:transparent}
.aud-tab.on::after{background:var(--amber)}
.aud-tab small{display:block;font:700 9px/1 var(--mono);letter-spacing:.11em;color:#8b969e;margin-bottom:12px}
.aud-tab.on small{color:var(--amber)}
.aud-tab b{display:block;font:800 17px/1.2 var(--en);text-transform:uppercase;color:var(--black)}
.aud-tab b.zh{font-family:var(--zh);text-transform:none}
.aud-tab.on b{color:var(--white)}
.audience-panel{display:none;border:1px solid #d0d6da;background:#f6f7f8;padding:clamp(24px,4vw,46px)}
.audience-panel.on{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,72px);align-items:center}
.audience-panel h3{margin:0 0 16px;color:var(--black);font:900 clamp(28px,4vw,48px)/1.05 var(--en);letter-spacing:-.02em}
.audience-panel h3.zh{font-family:var(--zh-serif);letter-spacing:.03em}
.audience-panel p{margin:0;color:#59656e;font-size:16px;line-height:1.75}
.audience-panel p.zh{font-family:var(--zh)}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.benefit{border:1px solid #d4d9dd;background:white;padding:17px}
.benefit i{display:block;font:800 10px/1 var(--mono);color:var(--amber-dark);font-style:normal;margin-bottom:9px}
.benefit b{display:block;color:var(--black);font:800 14px/1.25 var(--en);text-transform:uppercase}
.benefit b.zh{font-family:var(--zh);text-transform:none}
.benefit span{display:block;margin-top:6px;color:#77828a;font-size:12.5px}
.benefit span.zh{font-family:var(--zh)}
.usecases{background:var(--carbon)}
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(180px,auto);gap:10px}
.case{position:relative;border:1px solid var(--steel);background:var(--black);padding:24px;overflow:hidden;min-height:240px;display:flex;flex-direction:column;justify-content:flex-end}
.case::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 15%,rgba(91,122,140,.2),transparent 44%),linear-gradient(135deg,transparent 42%,rgba(255,180,0,.035));pointer-events:none}
.case::after{content:attr(data-code);position:absolute;right:15px;top:12px;font:700 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal)}
.case.c1{grid-column:span 7}.case.c2{grid-column:span 5}.case.c3{grid-column:span 4}.case.c4{grid-column:span 4}.case.c5{grid-column:span 4}
.case-icon{position:absolute;right:25px;top:40px;width:98px;height:98px;color:rgba(199,206,212,.1)}
.case-icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.2}
.case small{font:700 9px/1 var(--mono);letter-spacing:.13em;color:var(--amber);margin-bottom:10px}
.case h3{max-width:80%;margin:0 0 9px;color:var(--white);font:900 clamp(22px,3vw,34px)/1.04 var(--en);text-transform:uppercase}
.case h3.zh{font-family:var(--zh-serif);text-transform:none;letter-spacing:.02em}
.case p{max-width:620px;margin:0;color:#929ba3;font-size:13.5px}
.case p.zh{font-family:var(--zh)}
.market{background:var(--black)}
.market-layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px)}
.market-copy h3{margin:0 0 20px;color:var(--white);font:900 clamp(32px,4vw,54px)/1.02 var(--en);letter-spacing:-.02em}
.market-copy h3.zh{font-family:var(--zh-serif);letter-spacing:.03em}
.market-copy p{margin:0 0 18px;color:#a3acb3;font-size:16px;line-height:1.8}
.market-copy p.zh{font-family:var(--zh)}
.signal-list{display:grid;gap:9px;margin-top:28px}
.signal{display:grid;grid-template-columns:40px 1fr;gap:14px;border:1px solid var(--steel);background:var(--carbon);padding:15px}
.signal i{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--gunmetal);color:var(--amber);font:800 11px/1 var(--mono);font-style:normal}
.signal b{display:block;color:var(--white);font-size:14px;margin-bottom:4px}
.signal b.zh{font-family:var(--zh)}
.signal span{display:block;color:#7f8991;font-size:12px}
.signal span.zh{font-family:var(--zh)}
.positioning-matrix{border:1px solid var(--steel);background:var(--carbon);padding:24px}
.matrix-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.matrix-head b{color:var(--white);font:800 12px/1 var(--mono);letter-spacing:.09em}
.matrix-head span{color:var(--gunmetal);font:600 8px/1 var(--mono);letter-spacing:.09em}
.matrix{position:relative;aspect-ratio:1.1/1;border-left:1px solid var(--gunmetal);border-bottom:1px solid var(--gunmetal);background-image:linear-gradient(rgba(74,82,90,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(74,82,90,.14) 1px,transparent 1px);background-size:25% 25%;margin:22px 18px 34px 40px}
.axis-y{position:absolute;left:-43px;top:50%;transform:translateY(-50%) rotate(-90deg);font:600 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal);white-space:nowrap}
.axis-x{position:absolute;left:50%;bottom:-28px;transform:translateX(-50%);font:600 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal);white-space:nowrap}
.bubble{position:absolute;display:grid;place-items:center;text-align:center;border-radius:50%;font:700 8px/1.25 var(--mono);letter-spacing:.04em;padding:6px;border:1px solid var(--gunmetal);color:#9ba4ab;background:#1a1e22}
.bubble.b1{width:82px;height:82px;left:6%;bottom:6%}.bubble.b2{width:100px;height:100px;right:4%;top:3%}.bubble.b3{width:86px;height:86px;right:12%;bottom:8%}.bubble.b4{width:112px;height:112px;left:38%;top:29%;background:var(--amber);color:var(--black);border-color:var(--amber);box-shadow:0 0 28px rgba(255,180,0,.15)}
.matrix-note{font-size:11px;color:#758089;line-height:1.65}
.matrix-note.zh{font-family:var(--zh)}
.evidence{background:var(--white);color:#4f5a62}
.evidence .section-head h2{color:var(--black)}
.evidence .section-line{background:linear-gradient(90deg,#c7ced4,transparent)}
.proof{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,82px);align-items:center}
.proof-copy h3{margin:0 0 17px;color:var(--black);font:900 clamp(36px,5vw,68px)/.98 var(--display);letter-spacing:-.025em;text-transform:uppercase}
.proof-copy h3.zh{font-family:var(--zh-serif);font-size:clamp(32px,4.5vw,58px);line-height:1.08;letter-spacing:.03em;text-transform:none}
.proof-copy p{margin:0 0 20px;color:#5d6870;font-size:16px;line-height:1.8}
.proof-copy p.zh{font-family:var(--zh)}
.proof-badge{display:inline-flex;align-items:center;gap:9px;padding:9px 11px;border:1px solid #cbd1d5;color:#59636b;font:700 9px/1 var(--mono);letter-spacing:.1em}
.proof-badge::before{content:"✓";color:#15926a;font-weight:900}
.evidence-chain{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid #ccd2d6;background:#ccd2d6;gap:1px}
.chain-step{position:relative;background:var(--white);min-height:166px;padding:18px 12px;display:flex;flex-direction:column;justify-content:space-between}
.chain-step:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);z-index:3;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:var(--black);font:800 10px/1 var(--mono)}
.chain-step i{font:800 10px/1 var(--mono);font-style:normal;color:var(--amber-dark)}
.chain-step b{color:var(--black);font:800 12px/1.3 var(--en);text-transform:uppercase}
.chain-step b.zh{font-family:var(--zh);text-transform:none}
.chain-step span{font-size:10px;color:#89939a;line-height:1.5}
.chain-step span.zh{font-family:var(--zh)}
.platform{background:radial-gradient(circle at 50% 100%,rgba(91,122,140,.14),transparent 46%),var(--black)}
.platform-intro{text-align:center;max-width:900px;margin:0 auto 54px}
.platform-intro h3{margin:0 0 19px;color:var(--white);font:900 clamp(38px,5.5vw,76px)/.98 var(--display);letter-spacing:-.025em;text-transform:uppercase}
.platform-intro h3.zh{font-family:var(--zh-serif);font-size:clamp(34px,5vw,64px);line-height:1.08;letter-spacing:.03em;text-transform:none}
.platform-intro p{margin:0;color:#9fa8af;font-size:17px;line-height:1.75}
.platform-intro p.zh{font-family:var(--zh)}
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.platform-card{position:relative;border:1px solid var(--steel);background:var(--carbon);padding:24px;min-height:310px;overflow:hidden}
.platform-card:first-child{border-color:var(--amber-dark)}
.platform-card::before{content:attr(data-index);position:absolute;right:-10px;top:-15px;font:900 110px/1 var(--display);color:rgba(255,255,255,.025)}
.platform-card small{font:700 9px/1 var(--mono);letter-spacing:.12em;color:var(--gunmetal)}
.platform-card:first-child small{color:var(--amber)}
.platform-card h3{margin:64px 0 13px;color:var(--white);font:900 26px/1 var(--display);letter-spacing:.03em;text-transform:uppercase}
.platform-card h3.zh{font-family:var(--zh-serif);font-size:23px;text-transform:none}
.platform-card p{margin:0;color:#879199;font-size:13px;line-height:1.65}
.platform-card p.zh{font-family:var(--zh)}
.platform-card .platform-state{position:absolute;left:24px;bottom:22px;font:700 8px/1 var(--mono);letter-spacing:.1em;color:var(--gunmetal)}
.platform-card:first-child .platform-state{color:var(--amber)}
.engage{position:relative;background:var(--amber);color:var(--black);overflow:hidden;padding:clamp(74px,10vw,130px) var(--pad)}
.engage::before{content:"ARCBOS";position:absolute;right:-3vw;bottom:-5vw;font:900 27vw/1 var(--display);letter-spacing:-.05em;color:rgba(13,15,17,.055)}
.engage-inner{width:min(100%,var(--max));margin:auto;position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(34px,6vw,80px);align-items:end}
.engage h2{margin:0 0 20px;color:var(--black);font:900 clamp(48px,7vw,94px)/.93 var(--display);letter-spacing:-.035em;text-transform:uppercase}
.engage h2.zh{font-family:var(--zh-serif);font-size:clamp(38px,5.6vw,72px);line-height:1.08;letter-spacing:.03em;text-transform:none}
.engage p{max-width:720px;margin:0;font-size:17px;line-height:1.75;color:#302a1d}
.engage p.zh{font-family:var(--zh)}
.engage-actions{display:grid;gap:10px}
.engage .btn{border-color:var(--black);min-height:58px}
.engage .btn.dark{background:var(--black);color:var(--white)}
.engage .btn.light{background:transparent;color:var(--black)}
.engage .btn:hover{transform:translateY(-3px);box-shadow:none}
.engage-note{margin-top:14px;font:600 8px/1.6 var(--mono);letter-spacing:.06em;color:#6d5520}
.sources{background:#090b0d;padding:44px var(--pad);border-top:1px solid var(--steel)}
.source-inner{width:min(100%,var(--max));margin:auto;display:grid;grid-template-columns:1fr 1.3fr;gap:30px}
.source-title{font:800 12px/1.2 var(--mono);letter-spacing:.1em;color:var(--white);margin-bottom:10px}
.source-copy{font-size:11.5px;color:#6f7981;line-height:1.75}
.source-copy.zh{font-family:var(--zh)}
.source-links{display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start}
.source-links a{border:1px solid var(--steel);padding:8px 10px;color:#7f8991;font:600 8px/1 var(--mono);letter-spacing:.08em;transition:.2s}
.source-links a:hover{border-color:var(--amber);color:var(--amber)}
footer{background:#07090a;padding:28px var(--pad);border-top:1px solid #171a1d}
.footer-inner{width:min(100%,var(--max));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px}
.footer-brand{display:flex;align-items:center;gap:14px}
.footer-brand img{width:170px;height:auto}
.footer-meta{text-align:right;font:500 8px/1.6 var(--mono);letter-spacing:.07em;color:#4e575e}
.mobile-pilot{display:none}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (max-width:1080px){
  .nav-center{display:none}.menu-btn{display:flex;position:relative}.nav-cta{display:none}
  .hero-inner{grid-template-columns:1fr 440px;gap:34px}.hero h1{font-size:clamp(44px,7vw,76px)}
  .telemetry{left:-18px}
  .product-stage{min-height:560px}.product-stage img{height:540px}
  .roadmap-track{grid-template-columns:1fr 1fr}.roadmap-track::before{display:none}.phase{border-bottom:1px solid var(--steel)}.phase:nth-child(2){border-right:0}.phase:nth-child(3),.phase:nth-child(4){border-bottom:0}
  .category-strip{grid-template-columns:1fr 1fr}
  .platform-grid{grid-template-columns:1fr 1fr}
  .evidence-chain{grid-template-columns:repeat(3,1fr)}.chain-step:nth-child(3)::after{display:none}
}
@media (max-width:820px){
  .nav{height:64px}.brand img{width:154px}.mobile-menu{inset:64px 0 auto}
  .hero{padding-top:104px;min-height:auto}.hero-inner{grid-template-columns:1fr}.hero-copy{max-width:720px}.visual{max-width:650px}.telemetry{left:14px;top:14px}.scroll-cue{display:none}
  .clock-grid,.manifesto,.ai-layout,.anatomy-layout,.market-layout,.proof,.engage-inner{grid-template-columns:1fr}
  .clock{position:relative;top:auto;min-height:340px}.clock h3{margin-top:48px}
  .loop{margin:10px auto 0}
  .product-stage{position:relative;top:auto;min-height:520px}.product-stage img{height:500px}
  .ops-shell{grid-template-columns:1fr}.ops-side{border-right:0;border-bottom:1px solid var(--steel)}.ops-nav{grid-template-columns:repeat(4,1fr)}.ops-nav button{justify-content:center;text-align:center}.ops-nav button.on::after{display:none}.ops-summary{grid-template-columns:repeat(3,1fr);margin-top:18px}.ops-summary div{display:grid;gap:6px;text-align:center}
  .audience-tabs{grid-template-columns:1fr 1fr}.audience-panel.on{grid-template-columns:1fr}
  .case.c1,.case.c2,.case.c3,.case.c4,.case.c5{grid-column:span 6}
  .case.c5{grid-column:1/-1}
  .source-inner{grid-template-columns:1fr}.footer-inner{align-items:flex-start}
}
@media (max-width:600px){
  :root{--pad:18px}
  body{padding-bottom:64px}
  .nav-actions .lang-toggle{display:none}.brand img{width:145px}
  .hero{padding-top:92px;padding-bottom:70px}.hero-kicker .tag:nth-child(3){display:none}.hero h1.zh{font-size:38px}.hero h1.en{font-size:52px}.hero-copy{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.hero-status{grid-template-columns:1fr}.status-cell{display:grid;grid-template-columns:1fr 1fr;align-items:center}.status-cell span{margin:0}.status-cell b{text-align:right}
  .visual-frame{padding:7px}.robot-image{aspect-ratio:1/1}.visual-scrim{inset:7px}.visual-label{left:20px;right:20px;bottom:24px}.visual-target{display:none}.telemetry{width:150px;left:13px;top:13px}
  .section{padding-block:74px}.section-head{grid-template-columns:auto 1fr;gap:13px}.section-code{display:none}.section-head h2.zh{font-size:29px}.section-head h2.en{font-size:34px}.lead{margin-top:-10px;font-size:16px}
  .pain{grid-template-columns:42px 1fr;padding:18px}.pain-code{display:none}.pain-num{font-size:17px}
  .category-strip{grid-template-columns:1fr}.cat{padding:16px}
  .loop{aspect-ratio:1/1.18}.node{width:112px;padding:10px}.node.n2{right:0}.node.n5{left:0}.node.n3{right:8%}.node.n4{left:8%}.core{inset:39% 35%}
  .product-stage{min-height:440px}.product-stage img{height:420px}.annotation::after{width:28px}.annotation{font-size:7px}
  .roadmap-track{grid-template-columns:1fr}.phase{border-right:0!important;border-bottom:1px solid var(--steel)!important;min-height:auto}.phase:last-child{border-bottom:0!important}.phase-dot{display:none}.phase h3{margin-top:18px}.phase p{min-height:0}.phase-state{top:20px}
  .ops-shell{min-height:0}.ops-side{padding:16px}.ops-nav{grid-template-columns:1fr 1fr}.ops-main{padding:16px}.ops-top{display:grid}.route-map{height:210px}.ops-cards{grid-template-columns:1fr}.ops-card{display:grid;grid-template-columns:1fr auto;align-items:center}.ops-card small{grid-column:1/-1;margin-bottom:6px}.ops-card b{margin:0}
  .audience-tabs{grid-template-columns:1fr}.aud-tab{min-height:0;padding:16px}.aud-tab small{margin-bottom:7px}.benefits{grid-template-columns:1fr}
  .case-grid{display:grid;grid-template-columns:1fr}.case.c1,.case.c2,.case.c3,.case.c4,.case.c5{grid-column:1}.case{min-height:220px}.case h3{max-width:100%}.case-icon{width:76px;height:76px}
  .bubble.b1{width:65px;height:65px}.bubble.b2{width:78px;height:78px}.bubble.b3{width:69px;height:69px}.bubble.b4{width:90px;height:90px}
  .evidence-chain{grid-template-columns:1fr 1fr}.chain-step{min-height:140px}.chain-step:nth-child(2)::after,.chain-step:nth-child(4)::after{display:none}.chain-step:nth-child(3)::after{display:grid}
  .platform-grid{grid-template-columns:1fr}.platform-card{min-height:230px}.platform-card h3{margin-top:44px}
  .engage h2.zh{font-size:40px}.engage h2.en{font-size:54px}
  .footer-inner{display:grid}.footer-meta{text-align:left}
  .mobile-pilot{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:1100;grid-template-columns:1fr auto;background:rgba(13,15,17,.96);border-top:1px solid var(--steel);backdrop-filter:blur(14px);padding:8px max(10px,env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom))}
  .mobile-pilot a{display:grid;place-items:center;background:var(--amber);color:var(--black);font:800 10px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;min-height:46px;padding:0 15px}
  .mobile-pilot .lang-toggle{margin-left:8px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.snow,.scanline{display:none}.loop::before,.loop::after,.route-map .route,.telemetry-head i{animation:none}.reveal{opacity:1;transform:none;transition:none}}

/* SNOWBOT-TYPOGRAPHY-HOTFIX-20260727 */
html[data-lang="zh"] h1,
html[data-lang="zh"] h2,
html[data-lang="zh"] h3,
html[data-lang="zh"] .manifesto-title,
html[data-lang="zh"] .platform-intro h3,
html[data-lang="zh"] .engage h2 {
  line-height:1.30!important;
}
html[data-lang="en"] h1,
html[data-lang="en"] h2,
html[data-lang="en"] h3 {
  line-height:1.12!important;
}
.hero h1 .stroke {
  color:var(--white)!important;
  
  
  text-shadow:none!important;
}
.manifesto-title em {
  color:var(--black)!important;
  
  
  text-shadow:none!important;
}
@media (max-width:600px) {
  html[data-lang="zh"] h1,
  html[data-lang="zh"] h2,
  html[data-lang="zh"] h3,
  html[data-lang="zh"] .manifesto-title,
  html[data-lang="zh"] .platform-intro h3,
  html[data-lang="zh"] .engage h2 {
    line-height:1.36!important;
  }
}


/* SNOWBOT-CAPITAL-SYSTEM-20260821 */
.phase.done .phase-dot{background:var(--green);box-shadow:0 0 0 1px var(--green),0 0 18px rgba(91,214,162,.28)}
.phase.done .phase-k,.phase.done .phase-state{color:var(--green)}