/* Layout idea: one dark stage; a particle "build" morphs between delivery targets, everything else is quiet editorial type on a 12-col grid */
:root{
  --ink:#07080c;
  --panel:#0e1017;
  --line:rgba(226,231,242,.12);
  --text:#eceff5;
  --muted:#959cad;
  --ember:#ff6a2b;
  --cjk:"Noto Sans SC";
  --f-display:"Syne",var(--cjk),sans-serif;
  --f-body:"IBM Plex Sans",var(--cjk),system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --gut:clamp(16px,4vw,56px);
  --max:1360px;
  color-scheme:dark;
}
html[lang="zh-Hant"]{--cjk:"Noto Sans TC"}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
html[lang^="zh"] body{line-height:1.75}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:4px}
::selection{background:var(--ember);color:#000}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;font-weight:800;letter-spacing:-.02em}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3{letter-spacing:0;font-weight:900}

/* grain */
.grain{position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.06;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* cursor */
.cur{position:fixed;left:0;top:0;pointer-events:none;z-index:100;display:none}
.fine .cur{display:block}
.cur-dot{width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--ember)}
.cur-ring{width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;border:1px solid rgba(236,239,245,.45);transition:width .25s,height .25s,margin .25s,background .25s,border-color .25s}
.cur-ring.big{width:76px;height:76px;margin:-38px 0 0 -38px;background:rgba(255,106,43,.12);border-color:var(--ember)}

/* header */
header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.solid{background:rgba(7,8,12,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav{display:flex;align-items:center;gap:32px;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Syne",sans-serif;font-weight:800;font-size:18px;letter-spacing:.02em}
.logo-mark{width:26px;height:26px}
.links{display:flex;gap:28px;margin-left:auto}
.links a{font-size:14px;color:var(--muted);transition:color .2s;position:relative;padding:6px 0}
.links a:hover{color:var(--text)}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ember);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.links a:hover::after{transform:scaleX(1)}
.langs{position:relative}
.lang-btn{display:flex;align-items:center;gap:8px;height:42px;padding:0 12px 0 14px;border:1px solid var(--line);border-radius:999px;background:none;cursor:pointer;font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;transition:border-color .2s}
.lang-btn:hover,.lang-btn[aria-expanded="true"]{border-color:var(--text)}
.lang-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.3}
.lang-btn .chev{width:12px;height:12px;stroke-width:1.6;transition:transform .25s}
.lang-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;margin:0;padding:6px;list-style:none;background:rgba(14,16,23,.96);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:5}
.langs.open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:0 12px;border:0;border-radius:9px;background:none;cursor:pointer;font-size:14px;color:var(--muted);text-align:left}
.lang-menu button:hover{background:rgba(236,239,245,.06);color:var(--text)}
.lang-menu button b{font-family:var(--f-mono);font-weight:400;font-size:11px;opacity:.7}
.lang-menu button[aria-checked="true"]{color:var(--text)}
.lang-menu button[aria-checked="true"] b{color:var(--ember);opacity:1}
.btn{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--line);background:none;cursor:pointer;font-size:15px;font-weight:500;white-space:nowrap;transition:background .25s,color .25s,border-color .25s}
.btn svg{width:16px;height:16px;transition:transform .3s}
.btn:hover svg{transform:translateX(3px) rotate(-45deg)}
.btn.primary{background:var(--ember);border-color:var(--ember);color:#120700}
.btn.primary:hover{background:var(--text);border-color:var(--text)}
.btn.ghost:hover{border-color:var(--text)}
.nav .btn{height:42px;font-size:14px}
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:none;cursor:pointer;align-items:center;justify-content:center}
.menu-btn span{display:block;width:16px;height:1.5px;background:var(--text);box-shadow:0 5px 0 var(--text),0 -5px 0 var(--text)}

/* hero */
.hero{position:relative;min-height:780px;display:flex;flex-direction:column;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:200px;background:linear-gradient(to bottom,transparent,var(--ink));pointer-events:none}
.hero>.wrap{width:100%}
.hero-inner{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;padding-top:120px;padding-bottom:40px;pointer-events:none}
.hero-inner *{pointer-events:auto}
.eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:12px;row-gap:10px;color:var(--muted)}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 4px rgba(255,106,43,.18);animation:pulse 2.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(255,106,43,0)}}
.hero h1{font-size:clamp(40px,5.2vw,86px);line-height:.95;margin:28px 0 32px;max-width:100%}
html[lang^="zh"] .hero h1{line-height:1.12;font-size:clamp(42px,5.8vw,96px)}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.04em}
.hero h1 .w{display:inline-block;white-space:nowrap}
.hero h1 .ch{display:inline-block}
.hero h1.play .ch{animation:rise .9s cubic-bezier(.2,.7,.1,1) both;animation-delay:calc(var(--i) * 28ms)}
@keyframes rise{from{transform:translateY(105%) rotate(4deg)}to{transform:none}}
.hero h1 .acc{color:var(--ember)}
.hero-inner>*{max-width:min(720px,54%)}
.hero-sub{margin:0 0 40px;display:flex;flex-direction:column;gap:14px}
.sub-lead{margin:0;font-size:clamp(20px,2vw,28px);font-weight:500;line-height:1.35;color:var(--text)}
.scr{display:inline-block;font-family:var(--f-mono),var(--cjk),monospace;font-weight:500;color:var(--ember);background:rgba(255,106,43,.08);border:1px solid rgba(255,106,43,.35);border-radius:8px;padding:.02em .4em;white-space:nowrap;position:relative}
.scr::after{content:"";display:inline-block;width:.5em;height:.9em;margin-left:.2em;vertical-align:-.08em;background:var(--ember);animation:blink 1s steps(1) infinite}
.sub-tail{margin:0;color:var(--muted);font-size:clamp(15px,1.2vw,17px);max-width:34em}
.pipe{list-style:none;margin:8px 0 0;padding:0;display:flex;align-items:center;flex-wrap:wrap;row-gap:10px}
.pipe li{display:flex;align-items:center;font-family:var(--f-mono),var(--cjk),monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.pipe li span{padding:6px 12px;border:1px solid var(--line);border-radius:999px;transition:color .3s,background .3s,border-color .3s,box-shadow .3s}
.pipe li.on span{color:#120700;background:var(--ember);border-color:var(--ember);box-shadow:0 0 24px rgba(255,106,43,.45)}
.pipe li+li::before{content:"";width:36px;height:1px;margin:0 4px;background:linear-gradient(90deg,transparent,var(--ember),transparent) no-repeat,var(--line);background-size:14px 1px,100% 1px;animation:flow 1.2s linear infinite}
@keyframes flow{from{background-position:-14px 0,0 0}to{background-position:36px 0,0 0}}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-bar{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;padding-bottom:36px}
.targets-wrap{display:flex;flex-direction:column;gap:12px}
.t-label{color:var(--muted)}
.targets{display:flex;gap:6px;flex-wrap:wrap}
.stage-cap{position:absolute;z-index:2;right:max(var(--gut),calc((100vw - var(--max))/2 + var(--gut)));top:150px;width:260px;display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--line);border-left:2px solid var(--ember);border-radius:0 12px 12px 0;background:rgba(12,14,20,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 20px 40px -20px rgba(0,0,0,.8)}
.stage-cap .cap-no{color:var(--ember)}
.stage-cap .cap-t{font-family:var(--f-display);font-size:24px;font-weight:800;line-height:1.15}
html[lang^="zh"] .stage-cap .cap-t{font-weight:900}
.stage-cap .cap-d{color:var(--muted);font-size:14px;line-height:1.5}
.stage-cap.swap{animation:fin .5s cubic-bezier(.2,.7,.1,1)}
.targets button{display:flex;align-items:center;gap:10px;background:rgba(14,16,23,.6);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:999px;height:40px;padding:0 16px 0 12px;cursor:pointer;font-size:13px;color:var(--muted);position:relative;overflow:hidden;transition:color .2s,border-color .2s}
.targets button b{font-family:var(--f-mono);font-weight:400;font-size:11px;opacity:.7}
.targets button .bar{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ember)}
.targets button[aria-pressed="true"]{color:var(--text);border-color:rgba(255,106,43,.6)}
.term{font-family:var(--f-mono);font-size:12px;line-height:1.8;color:var(--muted);background:rgba(14,16,23,.66);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:14px 18px;min-width:330px}
.term .p{color:var(--text)}
.term .ok{color:var(--ember)}
.term .caret{display:inline-block;width:7px;height:13px;background:var(--ember);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* marquee: two rows, counter-scrolling, speed follows page scroll */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:34px 0 30px;display:flex;flex-direction:column;gap:22px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.mrow{overflow:hidden}
.track{display:flex;width:max-content;will-change:transform}
.mi{display:flex;align-items:flex-start;gap:12px;white-space:nowrap;font-family:var(--f-display);font-weight:800;font-size:clamp(30px,4.2vw,62px);line-height:1.1;letter-spacing:-.02em;color:rgba(236,239,245,.2);transition:color .35s}
html[lang^="zh"] .mi{font-weight:900;letter-spacing:0}
.mi:nth-child(odd){color:var(--text)}
.mi:hover{color:var(--ember)}
.mi b{font-family:var(--f-mono);font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ember);margin-top:.7em}
.mi::after{content:"";align-self:center;width:10px;height:10px;margin:0 40px 0 28px;border:1.5px solid var(--ember);transform:rotate(45deg)}
.r2 .track{gap:10px;padding-right:10px}
.chip{font-family:var(--f-mono);font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:8px 16px;white-space:nowrap;display:flex;align-items:center;gap:8px}
.chip i{width:5px;height:5px;border-radius:50%;background:var(--ember);opacity:.8}

/* sections */
section.block{padding:clamp(96px,12vw,170px) 0}
.head{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-bottom:64px;align-items:end}
.kicker{grid-column:1/-1;display:flex;gap:14px;align-items:center;color:var(--muted)}
.kicker em{font-style:normal;color:var(--ember)}
.kicker::after{content:"";flex:1;height:1px;background:var(--line)}
.head h2{grid-column:1/8;font-size:clamp(40px,5.6vw,84px);line-height:1}
html[lang^="zh"] .head h2{line-height:1.15}
.head p{grid-column:9/13;color:var(--muted);margin:0}

/* section heads: outlined index number, line-by-line reveal, drawn rule, accent word */
.head{position:relative}
.head>*:not(.head-num){position:relative;z-index:1}
.head-num{position:absolute;right:-.02em;top:-.3em;z-index:0;font-family:"Syne",sans-serif;font-weight:800;font-size:clamp(120px,17vw,260px);line-height:1;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(236,239,245,.09);pointer-events:none;user-select:none;transform:translateY(var(--py,0px));transition:opacity 1.2s,-webkit-text-stroke-color .6s}
.head:hover .head-num{-webkit-text-stroke-color:rgba(255,106,43,.25)}
.hl-line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hl-in{display:inline-block;transition:transform 1.1s cubic-bezier(.2,.7,.1,1) calc(var(--i) * 130ms)}
.head h2 .hl{background:linear-gradient(90deg,var(--ember) 0%,#ffc4a3 25%,var(--ember) 50%,#ffc4a3 75%,var(--ember) 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 4s linear infinite}
.head .kicker::after{transform-origin:left;transition:transform 1.4s cubic-bezier(.2,.7,.1,1) .1s}
.head p{border-left:2px solid var(--ember);padding-left:16px;transition:opacity .9s .35s,translate .9s cubic-bezier(.2,.7,.1,1) .35s}
.head.pre:not(.in) .hl-in{transform:translateY(110%)}
.head.pre:not(.in) .kicker::after{transform:scaleX(0)}
.head.pre:not(.in) p{opacity:.1;translate:0 14px}
.head.pre:not(.in) .head-num{opacity:0}

/* services: cards tilt in 3D; each holds an exploded isometric model that spins */
@property --gap{syntax:"<length>";inherits:true;initial-value:14px}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.svc{position:relative;background:linear-gradient(160deg,#10131b,var(--ink) 60%);border:1px solid var(--line);border-radius:20px;padding:28px 28px 26px;min-height:420px;display:flex;flex-direction:column;gap:14px;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.1,1),border-color .3s,translate .9s cubic-bezier(.2,.7,.1,1),opacity .9s;--mx:50%;--my:50%;--gap:14px}
.svc::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(380px circle at var(--mx) var(--my),rgba(255,106,43,.14),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.svc:hover{border-color:rgba(255,106,43,.45);--gap:26px}
.svc:hover::before{opacity:1}
.svc-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);transform:translateZ(20px)}
.svc h3{font-size:clamp(24px,2.2vw,30px);margin-top:auto;transform:translateZ(40px)}
.svc p{margin:0;color:var(--muted);font-size:15px;min-height:4.8em;transform:translateZ(24px)}
.svc .stack{font-family:var(--f-mono);font-size:12px;color:var(--text);opacity:.75;border-top:1px dashed var(--line);padding-top:16px;transform:translateZ(16px)}
.services.pre .svc{translate:0 60px;opacity:.15;--gap:0px}
.services.in:not(.settled) .svc{transition-delay:0s,0s,calc(var(--d,0) * 90ms),calc(var(--d,0) * 90ms),calc(var(--d,0) * 90ms + 200ms)}
.svc{transition-property:transform,border-color,translate,opacity,--gap;transition-duration:.5s,.3s,.9s,.9s,1.1s}
/* service models: one small 3D scene per service */
.iso{height:200px;display:grid;place-items:center;transform:translateZ(60px);pointer-events:none;perspective:900px}
.iso .st{position:relative;transform-style:preserve-3d;scale:1.3}
.iso .st *{box-sizing:border-box}
.iso .pl{position:absolute;border:1px solid rgba(236,239,245,.3);border-radius:10px;background:rgba(16,19,27,.85);transform-style:preserve-3d}
.iso .g{background-image:linear-gradient(rgba(236,239,245,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(236,239,245,.07) 1px,transparent 1px);background-size:12px 12px}
.iso .b{position:absolute;border-radius:3px;background:rgba(236,239,245,.2)}
.iso .e{background:var(--ember);box-shadow:0 0 16px rgba(255,106,43,.55)}
.iso .lbl{position:absolute;font-family:"Syne",sans-serif;font-weight:800;color:var(--text);line-height:1;white-space:nowrap}
.iso .mono7{position:absolute;font-family:var(--f-mono);font-size:7px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
@keyframes sway{from{transform:rotateX(54deg) rotateZ(-40deg)}to{transform:rotateX(54deg) rotateZ(-22deg)}}

/* 1 web: a browser that flips through pages */
.m-web .st{width:156px;height:108px;animation:sway 7s ease-in-out infinite alternate}
.m-web .frame{inset:0}
.m-web .bar{position:absolute;left:0;right:0;top:0;height:16px;border-bottom:1px solid rgba(236,239,245,.2)}
.m-web .dot{position:absolute;top:5px;width:5px;height:5px;border-radius:50%;background:rgba(236,239,245,.35)}
.m-web .url{position:absolute;top:3px;left:34px;right:10px;height:10px;border-radius:5px;background:rgba(236,239,245,.1);font-family:var(--f-mono);font-size:6px;line-height:10px;padding-left:6px;color:var(--ember)}
.m-web .pg{position:absolute;left:8px;right:8px;top:22px;bottom:8px;border-radius:6px;border:1px solid rgba(236,239,245,.25);background:#141824;opacity:0;transform:translateX(46%) translateZ(4px) rotateY(-30deg);transition:transform .9s cubic-bezier(.2,.7,.1,1),opacity .6s}
.m-web .pg.on{opacity:1;transform:translateZ(16px)}
.m-web .pg.out{opacity:0;transform:translateX(-50%) translateZ(34px) rotateY(30deg)}

/* 2 mobile: an iOS phone and an Android phone on a turntable */
@keyframes turn{from{transform:rotateX(-4deg) rotateY(-30deg)}to{transform:rotateX(-4deg) rotateY(30deg)}}
.m-mobile .st{width:156px;height:140px;margin-top:-14px;animation:turn 6s ease-in-out infinite alternate}
.m-mobile .ph{position:absolute;top:0;width:68px;height:136px;transform-style:preserve-3d}
.m-mobile .ios{left:4px;transform:translateZ(18px)}
.m-mobile .and{right:4px;top:4px;transform:translateZ(-14px)}
.m-mobile .scr,.m-mobile .edge{position:absolute;inset:0;border-radius:16px}
.m-mobile .and .scr,.m-mobile .and .edge{border-radius:11px}
.m-mobile .edge{background:#2a2f3c;transform:translateZ(-4px);box-shadow:0 26px 30px -16px rgba(0,0,0,.85)}
.m-mobile .scr{border:2px solid #3a4052;background:linear-gradient(170deg,#1b2131,#0f121a 70%);padding:13px 6px 0}
.m-mobile .and .scr{background:linear-gradient(170deg,#21242e,#101218 70%)}
.m-mobile .sb{position:absolute;top:4px;left:7px;right:6px;display:flex;justify-content:space-between;align-items:center;font-family:var(--f-body);font-size:5px;font-weight:600;color:var(--text)}
.m-mobile .sig{display:flex;align-items:flex-end;gap:1px}
.m-mobile .sig i{width:1.4px;background:var(--text);border-radius:1px}
.m-mobile .sig i:nth-child(1){height:2px}.m-mobile .sig i:nth-child(2){height:3px}.m-mobile .sig i:nth-child(3){height:4px}
.m-mobile .sig b{width:7px;height:3.5px;margin-left:2px;border:.8px solid var(--text);border-radius:1px;background:linear-gradient(90deg,var(--text) 70%,transparent 70%)}
.m-mobile .island{position:absolute;top:4px;left:50%;width:16px;height:6px;margin-left:-8px;border-radius:4px;background:#000}
.m-mobile .hole{position:absolute;top:4.5px;left:50%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:#000;box-shadow:0 0 0 .6px rgba(236,239,245,.25)}
.m-mobile .apps{display:grid;grid-template-columns:repeat(4,1fr);gap:4px 4px;margin-top:6px}
.m-mobile .apps i{aspect-ratio:1;display:block}
.m-mobile .ios .apps i{border-radius:3px}
.m-mobile .and .apps i{border-radius:50%}
.m-mobile .wid{height:28px;border-radius:6px;background:rgba(236,239,245,.08);position:relative;margin-top:3px}
.m-mobile .wid i{position:absolute;border-radius:2px;background:rgba(236,239,245,.35)}
.m-mobile .wid .w1{left:5px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--ember)}
.m-mobile .wid .w2{left:21px;top:7px;width:26px;height:3px}
.m-mobile .wid .w3{left:21px;top:13px;width:16px;height:3px;background:rgba(236,239,245,.2)}
.m-mobile .dock{position:absolute;left:4px;right:4px;bottom:9px;padding:4px;border-radius:8px;background:rgba(236,239,245,.1)}
.m-mobile .dock .apps{margin:0}
.m-mobile .home{position:absolute;bottom:3px;left:50%;width:22px;height:2px;margin-left:-11px;border-radius:2px;background:rgba(236,239,245,.7)}
.m-mobile .clock{margin-top:4px;font-family:var(--f-body);font-weight:300;font-size:15px;line-height:1;color:var(--text);letter-spacing:-.02em}
.m-mobile .srch{position:relative;height:9px;margin-top:6px;border-radius:5px;background:rgba(236,239,245,.12)}
.m-mobile .srch i{position:absolute;left:3px;top:2px;width:5px;height:5px;border-radius:50%;background:var(--ember)}
.m-mobile .dockrow{position:absolute;left:6px;right:6px;bottom:10px;margin:0}
.m-mobile .gbar{position:absolute;bottom:4px;left:50%;width:18px;height:2px;margin-left:-9px;border-radius:2px;background:rgba(236,239,245,.55)}
.m-mobile .tagp{position:absolute;left:0;right:0;bottom:-13px;text-align:center;font-family:var(--f-mono);font-size:7px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.m-mobile .ios .tagp{color:var(--text)}

/* 3 mini-program: a mini-program screen (capsule button) under a spinning radial "mini-program code" being scanned */
.m-mini .st{width:150px;height:118px;animation:sway 8s ease-in-out infinite alternate}
.m-mini .scr2{left:0;top:0;width:84px;height:118px;border-radius:12px}
.m-mini .cap{position:absolute;top:7px;right:6px;width:30px;height:12px;border-radius:6px;border:1px solid rgba(236,239,245,.45);display:flex;align-items:center;justify-content:space-evenly}
.m-mini .cap i{width:2.5px;height:2.5px;border-radius:50%;background:var(--text)}
.m-mini .cap b{width:7px;height:7px;border-radius:50%;border:1.5px solid var(--text)}
.m-mini .cap s{width:1px;height:7px;background:rgba(236,239,245,.35)}
.m-mini .code{position:absolute;left:66px;top:26px;width:78px;height:78px;transform:translateZ(44px);transform-style:preserve-3d}
.m-mini .sun{position:absolute;inset:0;border-radius:50%;background:repeating-conic-gradient(var(--text) 0 3deg,transparent 3deg 8deg);-webkit-mask:radial-gradient(circle,transparent 0 33%,#000 34% 48%,transparent 49% 52%,#000 53% 70%,transparent 71%);mask:radial-gradient(circle,transparent 0 33%,#000 34% 48%,transparent 49% 52%,#000 53% 70%,transparent 71%);animation:spin 16s linear infinite;opacity:.85}
.m-mini .core{position:absolute;inset:34%;border-radius:50%;background:var(--ember);box-shadow:0 0 18px rgba(255,106,43,.6)}
.m-mini .core::after{content:"";position:absolute;inset:30%;border-radius:50%;border:2px solid #120700;border-right-color:transparent;transform:rotate(-30deg)}
.m-mini .beam{position:absolute;left:-6%;right:-6%;height:2px;top:0;background:var(--ember);box-shadow:0 0 12px 2px rgba(255,106,43,.7);animation:scanv 2.2s ease-in-out infinite alternate}
.m-mini .shadow{position:absolute;left:70px;top:34px;width:66px;height:66px;border-radius:50%;background:radial-gradient(rgba(0,0,0,.6),transparent 70%)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes scanv{from{top:4%}to{top:96%}}

/* 4 backend & APIs: nodes joined by pipes with data flowing through */
.m-api .st{width:168px;height:116px;animation:sway 9s ease-in-out infinite alternate}
.m-api .nd{position:absolute;width:36px;height:36px;transform-style:preserve-3d}
.m-api .nd .pl{inset:0;border-radius:7px}
.m-api .nd .pl:nth-child(2){transform:translateZ(6px)}
.m-api .nd .pl:nth-child(3){transform:translateZ(12px);border-color:rgba(236,239,245,.55);display:grid;place-items:center;font-family:var(--f-mono);font-size:7px;color:var(--text)}
.m-api .nd.hub .pl:nth-child(3){border-color:var(--ember);color:var(--ember)}
.m-api .pp{position:absolute;transform:translateZ(6px);border:1px solid rgba(236,239,245,.35);border-radius:4px;background-color:#141824;overflow:hidden}
.m-api .pp::after{content:"";position:absolute;inset:1px;border-radius:3px;background:repeating-linear-gradient(90deg,var(--ember) 0 5px,transparent 5px 14px);background-size:14px 100%;animation:flowx .7s linear infinite}
.m-api .pp.v::after{background:repeating-linear-gradient(180deg,var(--ember) 0 5px,transparent 5px 14px);background-size:100% 14px;animation-name:flowy}
.m-api .pp.rev::after{animation-direction:reverse}
@keyframes flowx{to{background-position:14px 0}}
@keyframes flowy{to{background-position:0 14px}}

/* 5 cloud & devops: wireframe globe (Montréal + Guangzhou marked) with orbiting deploy nodes */
.m-cloud .st{width:140px;height:140px;transform:rotateX(-14deg) rotateZ(-8deg)}
.iso.m-cloud .st{scale:1.12}
.m-cloud .ball{position:absolute;inset:12px;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,106,43,.22),rgba(20,23,33,.85) 55%,rgba(10,12,18,.95));box-shadow:0 0 0 1px rgba(236,239,245,.25),0 24px 40px -14px rgba(0,0,0,.8)}
.m-cloud .gl{position:absolute;inset:12px;transform-style:preserve-3d;animation:gspin 16s linear infinite}
.m-cloud .gl i{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(236,239,245,.28)}
.m-cloud .gl i.eq{border-color:rgba(255,106,43,.75)}
.m-cloud .city{position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--ember);box-shadow:0 0 12px rgba(255,106,43,.9);backface-visibility:hidden}
.m-cloud .city.gz{background:var(--text);box-shadow:0 0 10px rgba(236,239,245,.8)}
.m-cloud .city::after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid currentColor;color:var(--ember);animation:ping 2s ease-out infinite}
.m-cloud .city.gz::after{color:var(--text)}
@keyframes gspin{to{transform:rotateY(360deg)}}
.m-cloud .orb{position:absolute;inset:-6px;border-radius:50%;border:1px dashed rgba(236,239,245,.25);transform-style:preserve-3d}
.m-cloud .orb .sat{position:absolute;inset:0;animation:spin 6s linear infinite;transform-style:preserve-3d}
.m-cloud .orb .sat::before{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:2px;background:var(--ember);box-shadow:0 0 14px rgba(255,106,43,.7)}
.m-cloud .orb.o2 .sat{animation-duration:9s;animation-direction:reverse}
.m-cloud .orb.o2 .sat::before{background:var(--text);box-shadow:0 0 10px rgba(236,239,245,.5);border-radius:50%}

/* 6 ui/ux: an artboard where a cursor selects and edits elements, swatches fan out */
.m-ui .st{width:156px;height:112px;animation:sway 8s ease-in-out infinite alternate}
.m-ui .art{inset:0}
.m-ui .sh{position:absolute;border:1.5px solid rgba(236,239,245,.5)}
.m-ui .sel{position:absolute;border:1px dashed var(--ember);transform:translateZ(6px);animation:selmove 6s cubic-bezier(.6,0,.3,1) infinite}
.m-ui .sel i{position:absolute;width:5px;height:5px;background:var(--ink);border:1px solid var(--ember)}
.m-ui .sel i:nth-child(1){left:-3px;top:-3px}.m-ui .sel i:nth-child(2){right:-3px;top:-3px}.m-ui .sel i:nth-child(3){left:-3px;bottom:-3px}.m-ui .sel i:nth-child(4){right:-3px;bottom:-3px}
.m-ui .cursor{position:absolute;width:14px;height:14px;transform:translateZ(20px);animation:curmove 6s cubic-bezier(.6,0,.3,1) infinite}
@keyframes selmove{0%,28%{left:12px;top:16px;width:46px;height:46px}36%,61%{left:72px;top:18px;width:68px;height:30px}69%,94%{left:72px;top:58px;width:44px;height:34px}100%{left:12px;top:16px;width:46px;height:46px}}
@keyframes curmove{0%,28%{left:54px;top:58px}36%,61%{left:136px;top:44px}69%,94%{left:112px;top:88px}100%{left:54px;top:58px}}
.m-ui .sw{position:absolute;left:118px;top:-18px;width:26px;height:40px;transform-style:preserve-3d;transform:translateZ(26px)}
.m-ui .sw i{position:absolute;inset:0;border-radius:4px;border:1px solid rgba(236,239,245,.3);transform-origin:50% 100%;animation:fan 3s ease-in-out infinite alternate}
.m-ui .sw i:nth-child(1){background:#2b3040;--r:-24deg}
.m-ui .sw i:nth-child(2){background:#eceff5;--r:-8deg}
.m-ui .sw i:nth-child(3){background:#959cad;--r:8deg}
.m-ui .sw i:nth-child(4){background:var(--ember);--r:24deg}
@keyframes fan{from{transform:rotate(0)}to{transform:rotate(var(--r))}}

.svc:hover .m-web .st,.svc:hover .m-mini .st,.svc:hover .m-api .st,.svc:hover .m-ui .st{animation-duration:3s}
.svc:hover .m-cloud .gl{animation-duration:5s}
.svc:hover .m-mobile .st{animation-duration:2.6s}

/* work */
.work{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{position:relative;text-align:left;cursor:pointer;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--panel);display:flex;flex-direction:column;gap:20px;padding:16px 16px 24px;transition:border-color .3s,transform .4s}
.case.big{grid-column:span 2}
.case:hover{border-color:rgba(255,106,43,.5);transform:translateY(-4px)}
.case .scan{position:absolute;left:0;right:0;height:140px;top:-140px;background:linear-gradient(to bottom,transparent,rgba(255,106,43,.1),transparent);pointer-events:none;z-index:2}
.case:hover .scan{animation:scan 1.6s ease-in-out}
@keyframes scan{to{top:100%}}
.case-mock{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#0a0c12;aspect-ratio:400/250}
.case.big .case-mock{aspect-ratio:400/210}
.case-mock svg{width:100%;height:100%;display:block;transition:transform .7s cubic-bezier(.2,.7,.1,1)}
.case:hover .case-mock svg{transform:scale(1.04)}
.mock-tag{position:absolute;left:10px;bottom:10px;font-family:var(--f-mono);font-size:10px;letter-spacing:.06em;color:var(--muted);background:rgba(7,8,12,.75);border:1px solid var(--line);border-radius:999px;padding:3px 9px}
.case-body{display:flex;flex-direction:column;gap:10px;padding:0 8px}
.case-top{display:flex;justify-content:space-between;gap:12px;color:var(--muted)}
.case h3{font-size:clamp(22px,2vw,28px);line-height:1.2}
.case-sum{margin:0;color:var(--muted);font-size:15px}
.case-kpi{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:14px;margin-top:4px}
.case-kpi strong{font-family:"Syne",var(--cjk),sans-serif;font-size:clamp(26px,2.6vw,36px);font-weight:800;color:var(--ember);font-variant-numeric:tabular-nums;line-height:1.15;overflow-wrap:anywhere}
.case-kpi strong.long{font-size:clamp(20px,1.9vw,26px)}
.kpis strong.long{font-size:clamp(24px,2.3vw,32px)}
.case-kpi span{color:var(--muted);font-size:14px}
.case-open{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:var(--text)}
.case-open svg{width:14px;height:14px;transition:transform .3s}
.case:hover .case-open svg{transform:translateX(3px) rotate(-45deg)}
.work-note{margin-top:28px;color:var(--muted);font-size:14px}

/* case modal */
.modal{position:fixed;inset:0;z-index:70;display:none;background:rgba(5,6,9,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);overflow-y:auto;padding:32px var(--gut)}
.modal.on{display:block}
.sheet{max-width:1120px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:clamp(20px,4vw,56px);position:relative;animation:fin .5s cubic-bezier(.2,.7,.1,1)}
.sheet-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--ink);cursor:pointer;display:grid;place-items:center;z-index:3}
.sheet-close:hover{border-color:var(--text)}
.sheet .case-mock{aspect-ratio:400/220;margin-bottom:40px}
.sheet-head{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,4vw,64px);align-items:end;margin-bottom:40px}
.sheet-head h2{font-size:clamp(34px,4.4vw,60px);line-height:1.05;margin-top:14px}
html[lang^="zh"] .sheet-head h2{line-height:1.2}
.sheet-head p{margin:0;color:var(--muted);font-size:17px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:48px}
.kpis div{background:var(--ink);padding:24px;display:flex;flex-direction:column;gap:6px}
.kpis strong{font-family:"Syne",var(--cjk),sans-serif;font-size:clamp(28px,3vw,42px);font-weight:800;color:var(--ember);font-variant-numeric:tabular-nums;line-height:1.1}
.kpis div:not(:first-child) strong{color:var(--text)}
.kpis span{color:var(--muted);font-size:14px}
.sheet-cols{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(24px,4vw,64px)}
.sheet-cols h4{margin:0 0 14px;font-weight:400;color:var(--muted)}
.sheet-cols p{margin:0;font-size:17px}
.sheet-cols ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:16px;counter-reset:s}
.sheet-cols li{counter-increment:s;display:grid;grid-template-columns:36px 1fr;gap:8px;font-size:16px}
.sheet-cols li::before{content:"0" counter(s);font-family:var(--f-mono);font-size:12px;color:var(--ember);padding-top:4px}
.sheet-stack{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:16px;flex-wrap:wrap;align-items:baseline}
.sheet-stack span:last-child{font-family:var(--f-mono);font-size:13px}
.sheet-nav{display:flex;justify-content:space-between;gap:12px;margin-top:40px}
@media (max-width:1080px){.work{grid-template-columns:repeat(2,1fr)}.case.big{grid-column:span 2}}
@media (max-width:760px){.work{grid-template-columns:1fr}.case.big{grid-column:auto}.case.big .case-mock{aspect-ratio:400/250}.sheet-head,.sheet-cols{grid-template-columns:1fr}.modal{padding:12px}}

/* process */
.proc{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:24px;padding-top:44px}
.proc-line{position:absolute;top:0;left:0;right:0;height:1px;background:var(--line)}
.proc-line i{position:absolute;inset:0;background:var(--ember);transform-origin:left;transform:scaleX(var(--p,0))}
.step{position:relative}
.step::before{content:"";position:absolute;top:-50px;left:0;width:12px;height:12px;border-radius:50%;background:var(--ink);border:1px solid var(--muted);transition:background .3s,border-color .3s}
.step.on::before{background:var(--ember);border-color:var(--ember)}
.step .n{font-family:"Syne",sans-serif;font-size:64px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(236,239,245,.35);transition:color .4s}
.step.on .n{color:var(--text);-webkit-text-stroke:0}
.step h3{font-size:22px;margin:18px 0 10px}
.step p{margin:0;color:var(--muted);font-size:15px}

/* stack: draggable 3D tag sphere + category filter */
.stack3d{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
.cats{position:relative;list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.cat-ind{position:absolute;left:0;right:0;top:0;height:56px;background:linear-gradient(90deg,rgba(255,106,43,.14),transparent 80%);border-left:2px solid var(--ember);transition:transform .45s cubic-bezier(.2,.7,.1,1),height .3s;pointer-events:none}
.cats button{position:relative;width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:0 4px;background:none;border:0;border-bottom:1px solid var(--line);cursor:pointer;font-size:17px;color:var(--muted);text-align:left;transition:color .2s,padding .3s}
.cats button::before{display:none}
.cats button:hover{color:var(--text)}
.cats button[aria-pressed="true"]{color:var(--text);padding-left:20px}
.cats button[aria-pressed="true"]::before{transform:rotate(45deg) scale(1)}
.cats b{font-family:var(--f-mono);font-weight:400;font-size:12px;color:var(--muted)}
.cats button[aria-pressed="true"] b{color:var(--ember)}
.sphere{position:relative;height:560px;cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-select:none;perspective:1000px}
.sphere.drag{cursor:grabbing}
.sphere .globe{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.ring{position:absolute;left:50%;top:50%;width:calc(var(--R,220px) * 2.25);height:calc(var(--R,220px) * 2.25);margin:calc(var(--R,220px) * -1.125) 0 0 calc(var(--R,220px) * -1.125);border-radius:50%;border:1px solid rgba(236,239,245,.09);pointer-events:none}
.ring.r1{transform:rotateX(74deg);animation:ringspin 30s linear infinite}
.ring.r2{transform:rotateX(74deg) rotateY(40deg) scale(.88);border-style:dashed;border-color:rgba(255,106,43,.22)}
@keyframes ringspin{to{transform:rotateX(74deg) rotateZ(360deg)}}
.tg{position:absolute;left:50%;top:50%;cursor:pointer;font-family:var(--f-mono);font-size:14px;line-height:1;white-space:nowrap;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(14,16,23,.85);color:var(--text);will-change:transform,opacity;transition:color .3s,border-color .3s,background .3s,box-shadow .3s}
.tg:hover{border-color:var(--ember)}
.tg.hl{color:#120700;background:var(--ember);border-color:var(--ember);box-shadow:0 0 26px rgba(255,106,43,.5)}

.sphere .hint{position:absolute;right:0;bottom:8px;color:var(--muted)}
@media (max-width:1080px){.stack3d{grid-template-columns:1fr;gap:24px}.cats{display:flex;flex-wrap:wrap;gap:8px;border:0}.cats li{flex:none}.cats button{min-height:44px;border:1px solid var(--line);border-radius:999px;padding:0 16px;font-size:14px}.cat-ind{display:none}.cats button[aria-pressed="true"]{padding-left:16px;border-color:var(--ember)}.cats button::before{display:none}}
@media (max-width:760px){.sphere{height:420px}.tg{font-size:12px;padding:6px 10px}}

/* about */
.about{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.about-left{grid-column:1/6;display:flex;flex-direction:column;gap:48px}
.about h2{font-size:clamp(40px,5.6vw,84px);line-height:1}
html[lang^="zh"] .about h2{line-height:1.15}
.about-body{grid-column:7/13;display:flex;flex-direction:column;gap:40px}
.about-body p{margin:0;font-size:clamp(20px,1.9vw,28px);line-height:1.55;font-weight:500}
.statement{display:flex;flex-direction:column}
.sl{display:block;overflow:hidden;padding:.02em 0 .08em}
.sl-in{display:inline-flex;align-items:flex-start;gap:14px;font-family:var(--f-display);font-weight:800;font-size:clamp(36px,4.2vw,64px);line-height:1.08;letter-spacing:-.02em;transition:transform 1.1s cubic-bezier(.2,.7,.1,1) calc(var(--i) * 140ms),translate .4s cubic-bezier(.2,.7,.1,1),color .3s;cursor:default}
html[lang^="zh"] .sl-in{font-weight:900;letter-spacing:0;line-height:1.2}
.statement.pre:not(.in) .sl-in{transform:translateY(110%)}
.sl-in:hover{translate:12px 0}
.sl-in em{font-style:normal;font-family:var(--f-mono);font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ember);padding-top:.9em}
.sl:nth-child(2) .sl-in{color:rgba(236,239,245,.38)}
.sl:nth-child(2) .sl-in:hover{color:var(--text)}
.sl:nth-child(3) .tx{background:linear-gradient(90deg,var(--ember) 0%,#ffc4a3 25%,var(--ember) 50%,#ffc4a3 75%,var(--ember) 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 4s linear infinite}
@keyframes shine{to{background-position:-200% 0}}
.live{flex:none;width:12px;height:12px;margin-top:.45em;border-radius:50%;background:var(--ember);animation:livep 1.8s infinite}
@keyframes livep{0%{box-shadow:0 0 0 0 rgba(255,106,43,.6)}70%,100%{box-shadow:0 0 0 14px rgba(255,106,43,0)}}
.about-body .st-sub{margin:22px 0 0;font-size:clamp(16px,1.3vw,18px);font-weight:400;line-height:1.6;color:var(--muted);max-width:30em}
.st-sub b{color:var(--ember);font-weight:400;margin:0 .2em}
.bridge{display:grid;grid-template-columns:auto 1fr auto;align-items:end;gap:8px 12px;padding:24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,#10131b,transparent)}
.city{display:flex;flex-direction:column;gap:4px}
.city.right{text-align:right;align-items:flex-end}
.city .mono{color:var(--muted)}
.clk{font-family:var(--f-body);font-weight:600;font-size:clamp(24px,2.2vw,32px);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.clk .colon{display:inline-block;margin:0 .04em;animation:colon 1s steps(1) infinite}
@keyframes colon{50%{opacity:.25}}
.tz{font-size:11px}
.arc{width:100%;height:auto;min-width:60px;align-self:center;overflow:visible}
.arc-flow{animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-24}}
.ping{transform-box:fill-box;transform-origin:center;animation:ping 2s ease-out infinite}
.ping.p2{animation-delay:1s}
@keyframes ping{from{transform:scale(1);opacity:.9}to{transform:scale(3.4);opacity:0}}
.bridge-note{grid-column:1/-1;margin:8px 0 0;padding-top:14px;border-top:1px dashed var(--line);color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.facts div{padding:20px 16px 0 0;display:flex;flex-direction:column;gap:8px}
.facts dt{color:var(--muted)}
.facts dd{margin:0;font-size:15px;display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.facts div{transition:background .3s}
.facts dd.locs{flex-direction:column;align-items:flex-start;gap:8px}
.loc{display:flex;align-items:center}
.pin.gz{background:var(--text)}
.pin.gz::after{border-color:var(--text);animation-delay:1s}
.pin{position:relative;flex:none;width:8px;height:8px;margin-right:8px;border-radius:50%;background:var(--ember)}
.pin::after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--ember);animation:ping 2s ease-out infinite}
.cyc span{transition:color .4s,text-shadow .4s}
.cyc span.on{color:var(--ember);text-shadow:0 0 18px rgba(255,106,43,.5)}

/* team */
.team{margin-top:clamp(80px,10vw,140px);display:flex;flex-direction:column;gap:56px}
.team-head{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.team-head .kicker{grid-column:1/-1}
.team-left{grid-column:1/7;display:flex;flex-direction:column;gap:24px}
.team-t{font-size:clamp(34px,4.4vw,64px);line-height:1.05}
html[lang^="zh"] .team-t{line-height:1.2}
.team-right{grid-column:7/13;display:flex;align-items:center}
#helix{display:block;width:100%;height:230px}
.team-intro{margin:0;color:var(--muted);font-size:17px;line-height:1.7;max-width:30em;padding-left:16px;border-left:2px solid var(--ember)}
.team-intro b{color:var(--text);font-weight:500}
.team-t .hl{background:linear-gradient(90deg,var(--ember) 0%,#ffc4a3 25%,var(--ember) 50%,#ffc4a3 75%,var(--ember) 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 4s linear infinite}
.alumni{display:flex;flex-direction:column;gap:16px}
.alumni>.mono{color:var(--muted)}
.alumni ul{position:relative;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,#10131b,var(--ink) 70%);overflow:hidden}
.alumni ul::before{content:"";position:absolute;top:0;bottom:0;left:-35%;width:35%;background:linear-gradient(90deg,transparent,rgba(255,106,43,.09),transparent);animation:sweep 7s linear infinite;pointer-events:none}
@keyframes sweep{to{left:100%}}
.alumni li{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-width:0;padding:30px 16px;text-align:center;transition:background .3s,opacity .8s,translate .8s cubic-bezier(.2,.7,.1,1);transition-delay:0s,calc(var(--i) * 110ms),calc(var(--i) * 110ms)}
.alumni li+li{border-left:1px solid var(--line)}
.alumni li::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--ember);transition:width .45s cubic-bezier(.2,.7,.1,1),left .45s cubic-bezier(.2,.7,.1,1)}
.alumni li:hover{background:rgba(255,106,43,.05)}
.alumni li:hover::after{left:20%;width:60%}
.co-f{font-size:10px;color:var(--muted)}
.co-n{font-family:var(--f-display);font-weight:700;font-size:clamp(20px,2vw,28px);line-height:1.1;letter-spacing:-.01em;color:var(--text);white-space:nowrap;transition:color .3s,transform .4s cubic-bezier(.2,.7,.1,1)}
html[lang^="zh"] .co-n{font-weight:900;letter-spacing:.02em}
.alumni li:hover .co-n{color:var(--ember);transform:translateY(-2px)}
.team.pre:not(.in) .alumni li{opacity:.15;translate:0 16px}
.dna{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ic-data rect{fill:rgba(236,239,245,.12);transform-box:fill-box;transform-origin:bottom;animation:bar 2.4s ease-in-out infinite}
.ic-data .d2{animation-delay:.2s}.ic-data .d3{animation-delay:.4s}.ic-data .d4{animation-delay:.6s;fill:rgba(255,106,43,.35);stroke:var(--ember)}
.ic-data .trend{stroke:var(--ember);stroke-width:1.8;stroke-dasharray:60;stroke-dashoffset:60;animation:tick 3s ease-in-out infinite}
@keyframes bar{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.6)}}
@media (max-width:1280px){.dna{grid-template-columns:repeat(2,1fr)}}
.dna-card{position:relative;display:flex;flex-direction:column;gap:12px;padding:28px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,#10131b,var(--ink) 65%);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.1,1),border-color .3s;--mx:50%;--my:50%}
.dna-card::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(320px circle at var(--mx) var(--my),rgba(255,106,43,.13),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.dna-card:hover{border-color:rgba(255,106,43,.45)}
.dna-card:hover::before{opacity:1}
.dna-card .ic{width:64px;height:48px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:18px;transform:translateZ(40px)}
.dna-card h4{margin:0;font-family:var(--f-display);font-weight:800;font-size:clamp(18px,1.5vw,22px);transform:translateZ(28px)}
html[lang^="zh"] .dna-card h4{font-weight:900}
.dna-card p{margin:0;color:var(--muted);font-size:15px;transform:translateZ(18px)}
.dna-who{display:flex;align-items:center;flex-wrap:wrap;gap:10px;transform:translateZ(22px)}
.role{font-size:13px;font-weight:600;line-height:1;color:var(--text);padding:7px 12px;border-radius:999px;background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.45);transition:background .3s,color .3s,box-shadow .3s}
.dna-card:hover .role,.dna-card:focus-visible .role,.dna-card.on .role{background:var(--ember);color:#120700;box-shadow:0 0 22px rgba(255,106,43,.45)}
.dna-from{font-size:13px;color:#b4bac8}
.dna-card{cursor:default}
.dna{position:relative}
.dna.focus .dna-card:not(:hover):not(.on){opacity:.55}
.dna-card{transition:transform .5s cubic-bezier(.2,.7,.1,1),border-color .3s,opacity .35s}
.dna-co{font-family:var(--f-display);font-weight:800;font-size:clamp(26px,2.5vw,36px);line-height:1.1;letter-spacing:-.01em;color:var(--text);margin:-4px 0 14px;padding-bottom:18px;border-bottom:1px dashed var(--line);transform:translateZ(34px)}
html[lang^="zh"] .dna-co{font-weight:900;letter-spacing:.02em}
.dna-card h4{color:var(--ember)}
.ic-game .b1,.ic-game .b2{fill:var(--ember);stroke:none;animation:press 1.6s ease-in-out infinite}
.ic-game .b2{animation-delay:.8s}
@keyframes press{0%,100%{opacity:1;transform:none}50%{opacity:.35}}
.ic-pay .seal{fill:var(--ink);stroke:var(--ember)}
.ic-pay .tick{stroke:var(--ember);stroke-width:2;stroke-dasharray:20;stroke-dashoffset:20;animation:tick 2.6s ease-in-out infinite}
@keyframes tick{0%,15%{stroke-dashoffset:20}45%,85%{stroke-dashoffset:0}100%{stroke-dashoffset:20}}
.ic-tel .w1,.ic-tel .w2,.ic-tel .w3{stroke:var(--ember);opacity:.15;animation:wave 1.8s ease-in-out infinite}
.ic-tel .w2{animation-delay:.25s}.ic-tel .w3{animation-delay:.5s}
@keyframes wave{0%,100%{opacity:.15}35%{opacity:1}}
@media (max-width:1080px){.team-left,.team-right{grid-column:1/-1}#helix{height:150px}.alumni ul{grid-template-columns:repeat(2,1fr)}.alumni li:nth-child(3){border-left:0}.alumni li:nth-child(n+3){border-top:1px solid var(--line)}.dna{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.dna{grid-template-columns:1fr}}

/* contact */
.contact{border:1px solid var(--line);border-radius:28px;background:var(--panel);padding:clamp(28px,5vw,72px);display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,80px);position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border-radius:50%;border:1px solid rgba(255,106,43,.25);box-shadow:0 0 0 60px rgba(255,106,43,.03),0 0 0 140px rgba(255,106,43,.02)}
.contact h2{font-size:clamp(40px,5vw,76px);line-height:1}
html[lang^="zh"] .contact h2{line-height:1.15}
.contact .sub{color:var(--muted);margin:24px 0 40px;max-width:28em}
.direct{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:24px}
.direct-h{margin:0 0 6px;color:var(--muted);display:flex;align-items:center;gap:10px}
.direct-h::after{content:"";width:28px;height:1px;background:var(--ember)}
.dc{display:flex;align-items:center;gap:14px;width:100%;max-width:420px;padding:12px 14px 12px 12px;border:0;border-radius:14px;background:rgba(236,239,245,.035);cursor:pointer;text-align:left;transition:background .25s,transform .3s}
.dc:hover{background:rgba(255,106,43,.08);transform:translateX(4px)}
.dc-ico{width:40px;height:40px;flex:none;border-radius:50%;display:grid;place-items:center;background:rgba(255,106,43,.12)}
.dc-ico svg{width:20px;height:20px;fill:none;stroke:var(--ember);stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}
.dc-txt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.dc-txt small{font-size:12px;color:var(--muted)}
.dc-txt b{font-weight:500;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dc-act{font-style:normal;color:var(--muted);transition:color .2s}
.dc:hover .dc-act{color:var(--ember)}
.dc.ok .dc-act{color:var(--ember)}
form{position:relative;display:flex;flex-direction:column;gap:22px}
.prog{display:flex;gap:6px}
.prog i{flex:1;height:3px;border-radius:3px;background:var(--line);transition:background .3s}
.prog i.on{background:var(--ember)}
.fstep{display:none;flex-direction:column;gap:18px;border:0;padding:0;margin:0;min-width:0}
.fstep.on{display:flex;animation:fin .45s cubic-bezier(.2,.7,.1,1)}
@keyframes fin{from{opacity:.2;transform:translateY(12px)}to{opacity:1;transform:none}}
.fstep legend{font-family:var(--f-display);font-weight:700;font-size:clamp(22px,2.2vw,30px);padding:0;margin-bottom:18px}
html[lang^="zh"] .fstep legend{font-weight:900}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chips span{display:inline-flex;align-items:center;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--line);font-size:15px;transition:background .2s,color .2s,border-color .2s}
.chips input:checked + span{background:var(--text);color:var(--ink);border-color:var(--text)}
.chips input:focus-visible + span{outline:2px solid var(--ember);outline-offset:3px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{color:var(--text);font-size:14px;font-weight:500}
.field input,.field textarea{width:100%;background:rgba(236,239,245,.045);border:1px solid rgba(236,239,245,.18);border-radius:12px;color:var(--text);font:inherit;font-size:16px;padding:14px 16px;outline:none;caret-color:var(--ember);transition:border-color .2s,box-shadow .2s,background .2s;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(149,156,173,.7)}
.field input:hover,.field textarea:hover{border-color:rgba(236,239,245,.32)}
.field input:focus,.field textarea:focus{border-color:var(--ember);background:rgba(255,106,43,.05);box-shadow:0 0 0 4px rgba(255,106,43,.14)}
.field.bad input{border-color:var(--ember);box-shadow:0 0 0 4px rgba(255,106,43,.2)}
.field:focus-within label{color:var(--ember)}
.f-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}
.err{color:var(--ember);font-size:14px;min-height:1.4em;margin:0}
.done{display:none;flex-direction:column;gap:14px}
.done.on{display:flex}
.done h3{font-size:clamp(28px,3vw,40px)}
.done p{color:var(--muted);margin:0 0 12px}

/* footer */
footer{padding:120px 0 40px;overflow:hidden}
.eyebrow .slogan{font-family:var(--f-body);font-weight:600;letter-spacing:.12em;color:var(--ember);text-transform:none}
html[lang^="zh"] .eyebrow .slogan{letter-spacing:.3em;margin-right:-.3em}
.eyebrow .eb-sep{color:var(--line);color:rgba(236,239,245,.25)}
.ft-slogan{margin:0 0 28px;text-align:center;font-family:var(--f-display);font-weight:800;font-size:clamp(28px,4vw,56px);line-height:1.1;letter-spacing:-.01em;background:linear-gradient(90deg,var(--ember) 0%,#ffc4a3 25%,var(--ember) 50%,#ffc4a3 75%,var(--ember) 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite}
html[lang^="zh"] .ft-slogan{font-weight:900;letter-spacing:.4em;margin-right:-.4em}
.mega{font-family:"Syne",sans-serif;font-weight:800;font-size:clamp(56px,13.4vw,212px);line-height:.85;letter-spacing:-.04em;white-space:nowrap;display:flex;justify-content:center;user-select:none}
.mega span{color:transparent;-webkit-text-stroke:1px rgba(236,239,245,.3);transition:color .5s,-webkit-text-stroke-color .5s}
.mega span:hover{color:var(--ember);-webkit-text-stroke-color:var(--ember);transition:color 0s}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid var(--line);margin-top:48px;padding-top:28px;color:var(--muted);font-size:14px}
.foot button{background:none;border:0;cursor:pointer;color:var(--muted);padding:0}
.foot button:hover{color:var(--text)}

/* mobile menu */
.drawer{position:fixed;inset:0;z-index:60;background:rgba(7,8,12,.96);backdrop-filter:blur(10px);display:none;flex-direction:column;padding:96px var(--gut) 40px;gap:8px}
.drawer.on{display:flex}
.drawer a{font-family:var(--f-display);font-weight:800;font-size:44px;border-bottom:1px solid var(--line);padding:10px 0}
.drawer .close{position:absolute;top:16px;right:var(--gut)}

@media (max-width:1080px){
  .links,.nav>.btn{display:none}
  .menu-btn{display:flex}
  .langs{margin-left:auto}
  .services{grid-template-columns:repeat(2,1fr)}
  .head h2,.about h2,.about-left{grid-column:1/-1}
  .head p,.about-body{grid-column:1/-1}
  .contact{grid-template-columns:1fr}
}
@media (max-width:760px){
  .hero{min-height:720px}
  #gl{opacity:.55}
  .hero-bar{grid-template-columns:1fr}
  .stage-cap{display:none}
  .scr{white-space:normal}
  .hero-inner>*{max-width:100%}
  .term{min-width:0}
  .services{grid-template-columns:1fr}
  .svc{min-height:380px}
  .work{grid-template-columns:1fr}
  .case:first-child{grid-row:auto;min-height:380px}
  .proc{grid-template-columns:1fr;padding-top:0;padding-left:36px;gap:40px}
  .proc-line{top:0;bottom:0;left:5px;right:auto;width:1px;height:auto}
  .proc-line i{transform-origin:top;transform:scaleY(var(--p,0))}
  .step::before{top:6px;left:-36px}
  .facts{grid-template-columns:1fr}
  .logo-text{display:none}
  
}
@media (prefers-reduced-motion:reduce){
  .head .hl-in{transform:none!important}.head p{opacity:1!important;translate:none!important}
  .team .alumni li{opacity:1!important;translate:none!important}
  .statement .sl-in{transform:none!important}
  .services.pre .svc{translate:none;opacity:1}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* DART · AI visibility */
.dart{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dl{position:relative;display:flex;flex-direction:column;gap:12px;min-height:400px;padding:28px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,#10131b,var(--ink) 60%);transition:border-color .3s,translate .9s cubic-bezier(.2,.7,.1,1),opacity .9s;transition-delay:0s,calc(var(--d,0) * 90ms),calc(var(--d,0) * 90ms)}
.dl:hover{border-color:rgba(255,106,43,.45)}
.dl-big{font-family:"Syne",sans-serif;font-weight:800;font-size:clamp(88px,9vw,140px);line-height:.9;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(236,239,245,.35);transition:color .4s,-webkit-text-stroke-color .4s}
.dl:hover .dl-big{color:var(--ember);-webkit-text-stroke-color:var(--ember)}
.dl-word{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ember)}
.dl h3{font-size:clamp(22px,2vw,28px);margin:auto 0 0}
.dl p{margin:0;color:var(--muted);font-size:15px;min-height:4.8em}
.dl ul{list-style:none;margin:0;padding:16px 0 0;border-top:1px dashed var(--line);display:grid;gap:6px;font-size:13px;opacity:.8}
.dl li::before{content:"› ";color:var(--ember)}
.dart-band{display:grid;grid-template-columns:1fr 3fr;gap:16px;margin-top:16px}
.dart-band span{border:1px solid var(--line);border-radius:999px;padding:12px 20px;text-align:center;font-size:13px;color:var(--muted)}
.dart-band .new{border-color:var(--ember);color:var(--text);background:rgba(255,106,43,.08)}
.dart.pre .dl{translate:0 60px;opacity:.15}
@media (max-width:1080px){.dart{grid-template-columns:repeat(2,1fr)}.dart-band{grid-template-columns:1fr}}
@media (max-width:760px){.dart{grid-template-columns:1fr}.dl{min-height:0}}
@media (prefers-reduced-motion:reduce){.dart.pre .dl{translate:none;opacity:1}}

/* hero: DART 入口 */
.hero-dart{display:inline-flex;align-items:center;gap:8px;margin-left:14px;padding:3px 12px 3px 3px;border:1px solid rgba(255,106,43,.35);border-radius:999px;background:rgba(255,106,43,.06);color:var(--text);text-decoration:none;font-family:var(--f-body);font-size:13px;letter-spacing:0;text-transform:none;transition:border-color .3s,background .3s}
.hero-dart b{padding:2px 9px;border-radius:999px;background:var(--ember);color:#120700;font-family:var(--f-mono),var(--cjk),monospace;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.hero-dart svg{width:13px;height:13px;color:var(--ember);transition:transform .3s}
.hero-dart:hover{border-color:var(--ember);background:rgba(255,106,43,.12)}
.hero-dart:hover svg{transform:translateX(3px)}
@media (max-width:760px){.hero-dart{margin-left:0}}

/* DART 案例：通栏卡片 + 入口 */
.case.wide{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:32px;padding:16px 32px 16px 16px}
.case.wide .case-mock{aspect-ratio:400/250}
.case-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:6px}
.case-kpis div{background:var(--panel);padding:14px;display:flex;flex-direction:column;gap:4px}
.case-kpis strong{font-family:"Syne",var(--cjk),sans-serif;font-size:clamp(18px,1.7vw,24px);font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.15;white-space:nowrap}
.case-kpis div:first-child strong{color:var(--ember)}
.case-kpis span{color:var(--muted);font-size:12px;line-height:1.4}
.case.wide .case-kpi{border-top:0;padding-top:0}
.dart-case{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;margin-top:16px;padding:14px 20px;border:1px dashed rgba(255,106,43,.45);border-radius:14px;background:transparent;color:var(--text);font:inherit;font-size:14px;text-align:left;cursor:pointer;transition:border-color .3s,background .3s}
.dart-case svg{flex:none;width:14px;height:14px;color:var(--ember);transition:transform .3s}
.dart-case:hover{border-style:solid;border-color:var(--ember);background:rgba(255,106,43,.06)}
.dart-case:hover svg{transform:translateX(3px)}
@media (max-width:1080px){.case.wide{grid-template-columns:1fr;padding:16px 16px 24px}}
@media (max-width:560px){.case-kpis{grid-template-columns:1fr}}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero .eyebrow{gap:12px}
.hero .eyebrow .slogan{font-size:13px}