:root{
  --bg:#0B0E11;--bg2:#0F1216;--card:#161A1E;--card2:#1E2329;--line:#2B3139;
  --y:#F0B90B;--y2:#FCD535;--t:#EAECEF;--t2:#848E9C;--t3:#5E6673;--g:#0ECB81;
  --r:20px;--ease:cubic-bezier(.2,.8,.2,1);
  --yt:#F0B90B;--navbg:rgba(11,14,17,.72);--menubg:rgba(11,14,17,.97);--chipbg:rgba(30,35,41,.75);
  --chipsh:0 20px 40px rgba(0,0,0,.4);--soft:rgba(255,255,255,.04);--gridline:rgba(255,255,255,.04);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#FFFFFF;--bg2:#F5F5F5;--card:#FAFAFA;--card2:#F0F1F3;--line:#E6E8EA;
  --t:#1E2329;--t2:#5E6673;--t3:#929AA5;--g:#03A66D;
  --yt:#C99400;--navbg:rgba(255,255,255,.8);--menubg:rgba(255,255,255,.98);--chipbg:rgba(255,255,255,.85);
  --chipsh:0 20px 40px rgba(30,35,41,.1);--soft:rgba(0,0,0,.03);--gridline:rgba(0,0,0,.05);
  color-scheme:light;
}
body{transition:background-color .4s,color .4s}
:root[data-theme="light"] .grad{background-image:linear-gradient(110deg,#C99400 0%,#F0B90B 35%,#FCD535 50%,#F0B90B 65%,#C99400 100%)}
:root[data-theme="light"] .hero::before{opacity:.7}
:root[data-theme="light"] .badge{color:#1E2329;background:rgba(240,185,11,.12);border-color:rgba(201,148,0,.35)}
:root[data-theme="light"] .screen{background:#F0F1F3}
:root[data-theme="light"] .screen .frame{background:linear-gradient(135deg,#fff6d6,#fff 60%);box-shadow:0 30px 60px rgba(30,35,41,.12)}
:root[data-theme="light"] .frame .prompt{background:rgba(255,255,255,.75)}
.theme{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--soft);color:var(--t);display:grid;place-items:center;cursor:pointer;transition:.25s}
.theme:hover{border-color:var(--y);color:var(--yt)}
.theme svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.theme .sun{display:none}
:root[data-theme="light"] .theme .sun{display:block}
:root[data-theme="light"] .theme .moon{display:none}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:0}
body{background:var(--bg);color:var(--t);font-family:"Inter","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit;text-decoration:none}
::selection{background:var(--y);color:#000}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.y{color:var(--yt)}
.grad{background:linear-gradient(110deg,#F0B90B 0%,#FCD535 35%,#fff3c4 50%,#FCD535 65%,#F0B90B 100%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite}
@keyframes shine{to{background-position:-200% center}}

/* progress */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--y),var(--y2));z-index:200;box-shadow:0 0 10px var(--y)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.4s var(--ease)}
.nav.scrolled{background:var(--navbg);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:72px;gap:40px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.5px}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--y2),var(--y));display:grid;place-items:center;color:#0B0E11;font-size:15px;font-weight:900;box-shadow:0 6px 24px rgba(240,185,11,.35)}
.links{display:flex;gap:32px;font-size:15px;color:var(--t2)}
.links a{position:relative;transition:color .25s}
.links a:hover{color:var(--t)}
.links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--y);transition:width .3s var(--ease)}
.links a:hover::after{width:100%}
.nav-r{margin-left:auto;display:flex;gap:12px;align-items:center}
.lang-wrap{position:relative}
.lang{display:inline-flex;align-items:center;gap:6px;color:var(--t2);font:inherit;font-size:14px;padding:8px 12px;border-radius:8px;cursor:pointer;transition:.25s;background:none;border:0}
.lang svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6}
.lang:hover,.lang[aria-expanded=true]{background:var(--card2);color:var(--t)}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:140px;list-style:none;margin:0;padding:6px;border-radius:12px;background:var(--menubg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);box-shadow:0 12px 32px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s var(--ease);z-index:60}
.lang-menu.open{opacity:1;visibility:visible;transform:none}
.lang-menu li{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--t2);cursor:pointer;white-space:nowrap}
.lang-menu li:hover,.lang-menu li:focus-visible{background:var(--card2);color:var(--t);outline:none}
.lang-menu li[aria-selected=true]{color:var(--y)}
.burger{display:none;background:none;border:0;color:var(--t);font-size:24px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;border:0;transition:transform .3s var(--ease),box-shadow .3s,background .3s;will-change:transform}
.btn-y{background:var(--y);color:#0B0E11}
.btn-y:hover{background:var(--y2);box-shadow:0 10px 40px rgba(240,185,11,.4)}
.btn-o{background:var(--soft);color:var(--t);border:1px solid var(--line)}
.btn-o:hover{border-color:var(--y);color:var(--yt)}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:14px}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:120px 0 80px}
#bg{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 70% 40%,rgba(240,185,11,.14),transparent 70%),radial-gradient(ellipse 40% 40% at 10% 90%,rgba(240,185,11,.06),transparent 70%);z-index:1;pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(transparent,var(--bg));z-index:1;pointer-events:none}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;width:100%}
.badge{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border-radius:99px;background:rgba(240,185,11,.08);border:1px solid rgba(240,185,11,.25);font-size:13px;color:var(--y2);margin-bottom:28px}
.badge b{background:var(--y);color:#000;border-radius:99px;padding:2px 10px;font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--g);box-shadow:0 0 0 0 rgba(14,203,129,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(14,203,129,0)}100%{box-shadow:0 0 0 0 rgba(14,203,129,0)}}
h1{font-size:clamp(48px,8vw,104px);line-height:1.02;font-weight:800;letter-spacing:-3px;margin-bottom:24px}
h1 .line{display:block;overflow:hidden}
h1 .line span{display:inline-block;transform:translateY(110%);animation:rise 1s var(--ease) forwards}
h1 .line:nth-child(2) span{animation-delay:.12s}
h1 .line:nth-child(3) span{animation-delay:.24s}
@keyframes rise{to{transform:none}}
.sub{font-size:clamp(17px,1.6vw,20px);color:var(--t2);max-width:560px;margin-bottom:40px;opacity:0;animation:fade 1s .5s var(--ease) forwards}
.cta{display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:fade 1s .7s var(--ease) forwards}
@keyframes fade{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.typing{font-family:"JetBrains Mono",ui-monospace,Consolas,monospace;color:var(--yt);font-size:15px;margin-bottom:18px;min-height:24px}
.typing::after{content:"▋";animation:blink 1s steps(1) infinite;margin-left:2px}
@keyframes blink{50%{opacity:0}}

/* orb */
.orb-box{position:relative;aspect-ratio:1;max-width:520px;width:100%;justify-self:center;opacity:0;animation:fade 1.4s .3s var(--ease) forwards}
.ring{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(240,185,11,.18)}
.ring.r2{inset:12%;border-style:dashed;border-color:rgba(240,185,11,.25);animation:spin 40s linear infinite}
.ring.r3{inset:24%;border-color:rgba(240,185,11,.35);animation:spin 25s linear infinite reverse}
.ring.r1{animation:spin 60s linear infinite}
.ring i{position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:var(--y);box-shadow:0 0 20px var(--y),0 0 40px var(--y)}
.ring.r3 i{top:auto;bottom:-4px;width:8px;height:8px;background:var(--y2)}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;inset:34%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFE58A,#F0B90B 45%,#8a6600 100%);box-shadow:0 0 80px rgba(240,185,11,.55),0 0 160px rgba(240,185,11,.25),inset -20px -20px 60px rgba(0,0,0,.35);display:grid;place-items:center;animation:float 6s ease-in-out infinite}
.core span{font-size:clamp(28px,4vw,46px);font-weight:900;color:#0B0E11;letter-spacing:-1px}
@keyframes float{50%{transform:translateY(-14px)}}
.chip{position:absolute;padding:10px 16px;border-radius:14px;background:var(--chipbg);backdrop-filter:blur(12px);border:1px solid var(--line);font-size:13px;display:flex;align-items:center;gap:8px;white-space:nowrap;animation:float 7s ease-in-out infinite;box-shadow:var(--chipsh)}
.chip em{font-style:normal;color:var(--yt);font-weight:700}
.chip.c1{top:6%;left:-2%}
.chip.c2{top:4%;right:2%;animation-delay:-1s}
.chip.c3{top:42%;right:-8%;animation-delay:-2s}
.chip.c4{bottom:8%;right:0;animation-delay:-3s}
.chip.c5{bottom:4%;left:8%;animation-delay:-4s}
.chip.c6{top:44%;left:-10%;animation-delay:-5s}
.chip .pico{width:18px;height:18px;flex:0 0 auto}
[data-theme=dark] .chip .pico.mono{filter:invert(1)}

/* ticker */
.ticker{border-block:1px solid var(--line);background:var(--bg2);overflow:hidden;padding:18px 0;position:relative}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2}
.ticker::before{left:0;background:linear-gradient(90deg,var(--bg2),transparent)}
.ticker::after{right:0;background:linear-gradient(-90deg,var(--bg2),transparent)}
.track{display:flex;gap:56px;width:max-content;animation:marquee 40s linear infinite}
.track span{color:var(--t2);font-weight:600;font-size:15px;display:flex;align-items:center;gap:56px;white-space:nowrap}
.track span::after{content:"✦";color:var(--yt)}
@keyframes marquee{to{transform:translateX(-50%)}}
/* sections */
section{position:relative}
.sec{padding:140px 0}
.eyebrow{color:var(--yt);font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--y)}
h2{font-size:clamp(34px,5vw,60px);line-height:1.1;font-weight:800;letter-spacing:-1.5px;margin-bottom:20px}
.lead{color:var(--t2);font-size:18px;max-width:640px}
.head{margin-bottom:72px}
.head.center{text-align:center}
.head.center .eyebrow{justify-content:center}
.head.center .lead{margin:0 auto}

/* reveal */
.rv{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}.rv.d4{transition-delay:.4s}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:var(--card);overflow:hidden}
.stat{padding:44px 32px;border-right:1px solid var(--line);position:relative}
.stat:last-child{border-right:0}
.stat .n{font-size:clamp(36px,4vw,52px);font-weight:800;letter-spacing:-1px;color:var(--t)}
.stat .n small{color:var(--yt);font-size:.6em;margin-left:2px}
.stat p{color:var(--t2);font-size:15px;margin-top:4px}

/* meaning */
.meaning{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.word{font-size:clamp(80px,13vw,180px);font-weight:900;letter-spacing:-6px;line-height:.9;user-select:none}
.word .hi{color:var(--t)}
.word .ai{color:var(--yt);text-shadow:0 0 60px rgba(240,185,11,.4)}
.defs{display:flex;flex-direction:column;gap:20px}
.def{padding:26px 28px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);display:flex;gap:20px;transition:.4s var(--ease)}
.def:hover{border-color:rgba(240,185,11,.5);transform:translateX(8px)}
.def .k{flex:0 0 auto;width:52px;height:52px;border-radius:14px;background:rgba(240,185,11,.1);color:var(--yt);display:grid;place-items:center;font-weight:800;font-size:18px}
.def h4{font-size:19px;margin-bottom:4px}
.def p{color:var(--t2);font-size:15px}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{position:relative;padding:40px 34px;border-radius:24px;background:var(--card);border:1px solid var(--line);overflow:hidden;transition:transform .5s var(--ease),border-color .4s;transform-style:preserve-3d}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(240,185,11,.12),transparent 40%);opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover::before{opacity:1}
.card:hover{border-color:rgba(240,185,11,.4)}
.ico{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(240,185,11,.2),rgba(240,185,11,.04));border:1px solid rgba(240,185,11,.3);display:grid;place-items:center;margin-bottom:28px}
.ico svg{width:28px;height:28px;stroke:var(--y);fill:none;stroke-width:1.8}
.card h3{font-size:22px;margin-bottom:12px}
.card p{color:var(--t2);font-size:15px}
.card .more{margin-top:28px;display:inline-flex;gap:6px;color:var(--yt);font-weight:600;font-size:14px}
/* ecosystem */
.eco{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.site{position:relative;padding:36px;border-radius:24px;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);transition:.5s var(--ease);overflow:hidden}
.site:hover{transform:translateY(-10px);border-color:var(--y);box-shadow:0 30px 60px -20px rgba(240,185,11,.25)}
.site .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}
.site .tag{font-size:12px;color:var(--g);background:rgba(14,203,129,.1);padding:4px 10px;border-radius:99px;display:flex;gap:6px;align-items:center}
.site .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--g)}
.site .num{color:var(--t3);font-family:ui-monospace,Consolas,monospace;font-size:13px}
.site h3{font-size:30px;font-weight:800;letter-spacing:-.5px;margin-bottom:8px}
.site p{color:var(--t2);font-size:15px;margin-bottom:28px}
.site .go{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--line);color:var(--t2);font-size:14px;transition:color .3s}
.site:hover .go{color:var(--yt)}
.site .go b{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:.4s var(--ease)}
.site:hover .go b{background:var(--y);color:#000;border-color:var(--y);transform:rotate(-45deg)}

/* video entry */
.video{position:relative;border-radius:32px;padding:72px 64px;overflow:hidden;background:radial-gradient(ellipse 70% 60% at 100% 0%,rgba(240,185,11,.12),transparent 60%),var(--card);border:1px solid var(--line)}
.vhead{max-width:720px;margin-bottom:56px}
.vfeat{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.vf{padding-top:24px;border-top:1px solid var(--line);position:relative}
.vf::before{content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:var(--y);transition:width .6s var(--ease)}
.vf:hover::before,.video.in .vf::before{width:40px}
.vn{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--yt)}
.vf h4{font-size:20px;margin:12px 0 8px}
.vf p{color:var(--t2);font-size:15px}

/* globe ops */
.ops{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.op{padding:32px 28px;border-radius:20px;border:1px solid var(--line);background:var(--card);transition:.4s var(--ease)}
.op:hover{background:var(--card2);transform:translateY(-6px)}
.op .i{font-size:30px;font-weight:900;color:var(--yt);margin-bottom:18px;font-family:ui-monospace,Consolas,monospace}
.op h4{font-size:19px;margin-bottom:8px}
.op p{color:var(--t2);font-size:14px}

/* final cta */
.final{position:relative;border-radius:36px;padding:100px 40px;text-align:center;overflow:hidden;background:radial-gradient(ellipse at 50% 0%,rgba(240,185,11,.35),transparent 60%),var(--card);border:1px solid rgba(240,185,11,.3)}
.final h2{font-size:clamp(40px,6vw,76px)}
.final .lead{margin:0 auto 40px}
.final .grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--gridline) 1px,transparent 1px),linear-gradient(90deg,var(--gridline) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);pointer-events:none}
.final>*{position:relative}

/* footer */
footer{border-top:1px solid var(--line);padding:72px 0 40px;margin-top:140px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px}
.fgrid p{color:var(--t2);font-size:14px;margin-top:16px;max-width:320px}
.fgrid h5{font-size:15px;margin-bottom:18px}
.fgrid a{display:block;color:var(--t2);font-size:14px;margin-bottom:12px;transition:color .25s}
.fgrid a:hover{color:var(--yt)}
.copy{display:flex;justify-content:space-between;color:var(--t3);font-size:13px;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap;gap:12px}

/* cursor glow */
.glow{position:fixed;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(240,185,11,.07),transparent 65%);pointer-events:none;z-index:0;transform:translate3d(-500px,-500px,0) translate(-50%,-50%);left:0;top:0;transition:opacity .3s}

/* responsive */
@media(max-width:1100px){
  .links{gap:22px}
  .nav .wrap{gap:28px}
  .nav-r .btn-o{display:none}
}
@media(max-width:1024px){
  .hero{min-height:auto;padding:130px 0 60px}
  .hero .wrap,.meaning{grid-template-columns:1fr}
  .hero .wrap{gap:56px}
  .orb-box{max-width:380px}
  .meaning{gap:48px}
  .grid3,.eco{grid-template-columns:1fr 1fr}
  .ops,.vfeat{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .video{padding:56px 40px}
  .fgrid{grid-template-columns:1fr 1fr}
  .fgrid>div:first-child{grid-column:1/-1}
}
@media(max-width:860px){
  .links{display:none}
  .burger{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;font-size:20px;transition:background .25s}
  .burger:hover{background:var(--card2)}
  .links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--menubg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:4px 16px 12px;animation:drop .35s var(--ease)}
  .links.open a{padding:16px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--t)}
  .links.open a:last-child{border-bottom:0}
  .links.open a::after{display:none}
  .nav .wrap{height:64px}
  html{scroll-padding-top:0}
}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@media(max-width:720px){
  .wrap{padding:0 16px}
  .nav-r{gap:4px}
  .nav-r .btn-y{padding:9px 14px;font-size:13px;border-radius:10px}
  .lang{padding:8px;font-size:13px}
  .logo{font-size:20px}
  .logo-mark{width:30px;height:30px;font-size:13px}
  .hero{padding:104px 0 40px}
  .hero::after{height:100px}
  .hero .wrap{gap:40px}
  .badge{font-size:12px;margin-bottom:20px}
  .typing{font-size:13px;margin-bottom:12px}
  h1{font-size:clamp(44px,14vw,64px);letter-spacing:-1.5px;margin-bottom:20px}
  .sub{font-size:16px;margin-bottom:32px}
  .cta{flex-direction:row;flex-wrap:nowrap;gap:10px}
  .cta .btn{flex:0 0 auto;width:auto;justify-content:center}
  .cta .btn-lg{padding:11px 18px;font-size:14px;border-radius:12px}
  .orb-box{max-width:300px}
  .chip{padding:7px 11px;font-size:11px;border-radius:10px}
  .chip.c1{left:-4%}.chip.c2{right:-6%}.chip.c3{left:auto;right:-4%}
  .ticker{padding:14px 0}
  .ticker::before,.ticker::after{width:40px}
  .track,.track span{gap:32px}
  .track span{font-size:13px}
  .sec{padding:80px 0}
  h2{font-size:clamp(30px,8.5vw,40px);letter-spacing:-.8px}
  .lead{font-size:16px}
  .head{margin-bottom:40px}
  .stat{padding:26px 18px}
  .stat .n{font-size:32px}
  .stat p{font-size:13px}
  .word{font-size:clamp(84px,28vw,130px);letter-spacing:-4px}
  .def{padding:20px;gap:16px}
  .def .k{width:44px;height:44px;font-size:16px;border-radius:12px}
  .def h4{font-size:17px}
  .def p{font-size:14px}
  .def:hover{transform:none}
  .grid3,.eco,.ops{grid-template-columns:1fr;gap:16px}
  .card{padding:28px 24px;border-radius:20px}
  .ico{width:52px;height:52px;margin-bottom:20px}
  .site{padding:28px 24px;border-radius:20px}
  .site .top{margin-bottom:24px}
  .site h3{font-size:26px}
  .op{padding:24px 22px}
  .op .i{font-size:24px;margin-bottom:12px}
  .video{padding:40px 22px;border-radius:24px}
  .vhead{margin-bottom:36px}
  .vfeat{grid-template-columns:1fr;gap:24px}
  .vf{padding-top:18px}
  .vf h4{font-size:18px;margin:8px 0 6px}
  .final{padding:56px 20px;border-radius:24px}
  .final h2{font-size:clamp(36px,11vw,52px)}
  .final .lead{margin-bottom:28px}
  footer{margin-top:80px;padding:48px 0 32px}
  .fgrid{gap:28px 20px;margin-bottom:36px}
  .copy{flex-direction:column;align-items:flex-start}
}
@media(max-width:380px){
  .nav-r .btn-y{display:none}
  .chip.c4,.chip.c5{display:none}
}
/* 触屏设备：关闭悬停位移和鼠标光晕 */
@media(hover:none){
  .glow{display:none}
  .card:hover,.site:hover,.op:hover{transform:none}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}h1 .line span{transform:none}.sub,.cta,.orb-box{opacity:1}.rv{opacity:1;transform:none}}

.site .slogo{width:56px;height:56px;border-radius:16px;object-fit:contain;background:#fff;padding:5px;box-sizing:border-box;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.18);transition:transform .5s var(--ease)}
.site:hover .slogo{transform:scale(1.06) rotate(-3deg)}

/* brand logo */
.logo img{height:40px;width:auto;display:block}
.logo .logo-l{display:none}
[data-theme=light] .logo .logo-d{display:none}
[data-theme=light] .logo .logo-l{display:block}
footer .logo img{height:48px}
@media(max-width:720px){.logo img{height:34px}.chip .pico{width:14px;height:14px}.chip.c6{left:-2%}.chip.c3{left:auto;right:-2%}}

/* orb core with brand logo */
.core{background:radial-gradient(circle at 35% 28%,#2a2410,#0B0E11 62%);border:1px solid rgba(240,185,11,.45);box-shadow:0 0 60px rgba(240,185,11,.35),0 0 140px rgba(240,185,11,.18),inset 0 0 40px rgba(240,185,11,.15)}
.core{z-index:2}
.core img{width:72%;height:auto;filter:drop-shadow(0 4px 18px rgba(240,185,11,.35))}

/* orbiting model chips (positions driven by app.js) */
.orb-box .chip{left:0!important;top:0!important;right:auto!important;bottom:auto!important;animation:none;will-change:transform,opacity;display:flex!important;cursor:default}
.orb-box .chip:hover{border-color:var(--y)}

/* 导航目标板块：每块占满一屏，内容在顶部栏下方居中 */
:root{--navh:72px}
.sec.page{min-height:100vh;min-height:100svh;padding:calc(var(--navh) + 48px) 0 48px;display:flex;align-items:center}
.sec.page>.wrap{width:100%}
.sec.page .head{margin-bottom:56px}
@media(max-width:860px){:root{--navh:64px}}
@media(max-width:720px){.sec.page{padding:calc(var(--navh) + 28px) 0 36px}.sec.page .head{margin-bottom:32px}}
/* 模型矩阵 */
.model{position:relative;padding:28px;border-radius:22px;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);overflow:hidden;transition:transform .5s var(--ease),border-color .4s,box-shadow .5s var(--ease)}
.model::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(240,185,11,.12),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.model:hover{transform:translateY(-8px);border-color:var(--y);box-shadow:0 26px 50px -22px rgba(240,185,11,.3)}
.model:hover::after{opacity:1}
.model .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.mico{width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:0 8px 22px rgba(0,0,0,.12);transition:transform .6s var(--ease)}
.mico img{width:30px;height:30px}
.mico.txt{background:linear-gradient(135deg,#FCD535,#F0B90B);color:#111;font-weight:800;font-size:18px;border:0}
[data-theme=dark] .mico:not(.txt){background:#1e2026}
.model:hover .mico{transform:scale(1.08) rotate(-6deg)}
.mtag{font-size:12px;color:var(--t2);background:var(--card2);border:1px solid var(--line);padding:4px 10px;border-radius:99px}
.mtag.vid{color:var(--yt);border-color:rgba(240,185,11,.4);background:rgba(240,185,11,.1)}
.model h3{font-size:24px;font-weight:800;letter-spacing:-.4px;margin-bottom:2px}
.model .mby{color:var(--t3);font-size:13px;margin-bottom:12px}
.model p{color:var(--t2);font-size:14.5px;line-height:1.65}
@media(max-width:720px){.eco{grid-template-columns:1fr 1fr;gap:12px}.model{padding:18px;border-radius:18px}.model .top{margin-bottom:14px}.mico{width:42px;height:42px;border-radius:13px}.mico img{width:24px;height:24px}.model h3{font-size:18px}.model p{font-size:13px}}
@media(max-width:380px){.eco{grid-template-columns:1fr}}
@media(hover:none){.model:hover{transform:none}}

/* 深色下单色 logo 反白 */
[data-theme=dark] .mico .pico.mono{filter:invert(1)}
/* 标题高亮词：高光扫描 */
h2 .y{background:linear-gradient(110deg,#F0B90B 0%,#FCD535 35%,#fff3c4 50%,#FCD535 65%,#F0B90B 100%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite}
:root[data-theme="light"] h2 .y{background-image:linear-gradient(110deg,#C99400 0%,#F0B90B 35%,#FCD535 50%,#F0B90B 65%,#C99400 100%)}

/* 加盟合作 */
.jpts{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:-36px 0 48px}
.jpts span{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--t2);font-size:14px}
.jpts span b{color:var(--yt)}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:1000px;margin:0 auto}
.plan{position:relative;padding:40px 36px;border-radius:24px;background:var(--card);border:1px solid var(--line);transition:transform .5s var(--ease),border-color .4s;display:flex;flex-direction:column}
.plan:hover{transform:translateY(-6px);border-color:rgba(240,185,11,.4)}
.plan.pro{border-color:rgba(240,185,11,.55);background:radial-gradient(ellipse at 50% 0%,rgba(240,185,11,.16),transparent 60%),var(--card)}
.plan .badge{position:absolute;top:20px;right:20px;padding:4px 12px;border-radius:999px;background:var(--y);color:#0B0E11;font-size:12px;font-weight:700}
.plan h3{font-size:20px;margin-bottom:8px}
.plan .price{font-size:44px;font-weight:900;letter-spacing:-1px;margin-bottom:24px;font-family:ui-monospace,Consolas,monospace}
.plan .price small{font-size:16px;color:var(--t2);font-weight:600;margin-left:4px}
.plan ul{list-style:none;padding:0;margin:0 0 32px;display:grid;gap:14px;flex:1}
.plan li{position:relative;padding-left:28px;color:var(--t2);font-size:15px;line-height:1.6}
.plan li::before{content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;background:rgba(240,185,11,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.3 2.3 4.7-4.9' fill='none' stroke='%23F0B90B' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/16px no-repeat}
.plan li b{color:var(--t)}
.plan .btn{justify-content:center}
.jnote{text-align:center;color:var(--t2);font-size:15px;margin-top:40px}
@media(max-width:860px){.plans{grid-template-columns:1fr}.jpts{margin:-16px 0 32px}}
@media(max-width:720px){.plan{padding:28px 22px}.plan .price{font-size:36px}}

/* 加盟：一屏显示 */
#join{padding:calc(var(--navh) + 24px) 0 24px}
#join .head{margin-bottom:20px}
#join h2{font-size:clamp(28px,3.6vw,46px);margin-bottom:12px}
#join .lead{font-size:16px;max-width:760px}
#join .jpts{margin:0 0 24px;gap:10px}
#join .jpts span{padding:6px 14px;font-size:13px}
#join .plan{padding:26px 28px}
#join .plan h3{font-size:18px;margin-bottom:4px}
#join .plan .price{font-size:clamp(30px,3vw,38px);margin-bottom:14px}
#join .plan ul{gap:9px;margin-bottom:20px}
#join .plan li{font-size:14px;line-height:1.5}
#join .plan li::before{top:3px}
#join .plan .btn-lg{padding:12px 24px;font-size:15px}
#join .jnote{margin-top:18px;font-size:14px}
@media(min-width:861px) and (max-height:820px){#join .lead{font-size:14px}#join .jpts{margin-bottom:14px}#join .plan{padding:20px 24px}#join .plan ul{gap:6px;margin-bottom:14px}#join .plan li{font-size:13px}#join .plan .price{margin-bottom:8px}}
@media(min-width:861px) and (max-height:680px){#join h2{font-size:28px}}
/* 平板/手机：横向滑动卡片，仍保持一屏 */
@media(max-width:860px){
  #join{padding:calc(var(--navh) + 16px) 0 16px}
  #join .lead{font-size:14px}
  #join .jpts{display:none}
  #join .plans{display:flex;grid-template-columns:none;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 -16px;padding:4px 16px 10px;scrollbar-width:none}
  #join .plans::-webkit-scrollbar{display:none}
  #join .plan{flex:0 0 86%;scroll-snap-align:center;padding:20px 18px}
  #join .plan:hover{transform:none}
  #join .plan li{font-size:13px}
  #join .plan ul{gap:7px;margin-bottom:14px}
  #join .jnote{margin-top:10px;font-size:13px}
}
@media(max-width:860px) and (max-height:700px){#join h2{font-size:24px}#join .lead{font-size:13px}}

/* 全部分屏：一屏显示 */
.sec.page h2{font-size:clamp(28px,min(4.2vw,6vh),54px)}
#eco .eco{gap:16px}
#eco .model{padding:20px 22px}
#eco .model .top{margin-bottom:12px}
#eco .model h3{font-size:20px}
#eco .model .mby{margin-bottom:6px}
#eco .model p{font-size:13.5px;line-height:1.55}
#eco .head,#products .head,#global .head{margin-bottom:32px}
@media(min-width:861px) and (max-height:820px){
  .sec.page{padding:calc(var(--navh) + 20px) 0 20px}
  .sec.page .head{margin-bottom:22px}
  .sec.page .lead{font-size:15px}
  #eco .model{padding:14px 18px}#eco .mico{width:40px;height:40px;border-radius:12px}#eco .mico img{width:22px;height:22px}#eco .model p{font-size:12.5px;line-height:1.45}
  #products .card{padding:24px 26px}#products .ico{width:48px;height:48px;margin-bottom:14px}#products .card .more{margin-top:14px}
  .video{padding:36px 44px}.vhead{margin-bottom:28px}
}
@media(max-width:860px){
  .sec.page{padding:calc(var(--navh) + 14px) 0 14px}
  .sec.page .head{margin-bottom:18px}
  .sec.page .lead{font-size:14px}
  .sec.page .eyebrow{margin-bottom:8px;font-size:12px}
  .sec.page h2{font-size:clamp(24px,7vw,34px);margin-bottom:10px}
  /* 核心能力：紧凑横排卡片 */
  #products .grid3{grid-template-columns:1fr;gap:10px}
  #products .card{padding:16px 18px;display:grid;grid-template-columns:44px 1fr;column-gap:14px;align-items:start}
  #products .ico{width:44px;height:44px;margin:0;grid-row:span 3;border-radius:12px}
  #products .ico svg{width:22px;height:22px}
  #products .card h3{font-size:17px;margin-bottom:4px}
  #products .card p{font-size:13px;line-height:1.5}
  #products .card .more{margin-top:6px;font-size:13px}
  /* 视频 */
  .video{padding:22px 18px;border-radius:20px}
  .vhead{margin-bottom:16px}
  .vfeat{grid-template-columns:1fr 1fr;gap:14px}
  .vf{padding-top:12px}.vf h4{font-size:15px;margin:4px 0 4px}.vf p{font-size:12.5px;line-height:1.5}
  /* 模型 */
  #eco .eco{grid-template-columns:1fr 1fr;gap:8px}
  #eco .model{padding:12px 14px;border-radius:14px}
  #eco .model .top{margin-bottom:8px}
  #eco .mico{width:34px;height:34px;border-radius:10px}#eco .mico img{width:20px;height:20px}
  #eco .mtag{font-size:10px;padding:2px 7px}
  #eco .model h3{font-size:15px}
  #eco .model .mby{font-size:11px;margin-bottom:4px}
  #eco .model p{font-size:12px;line-height:1.45}
  /* 全球运营 */
  .ops{grid-template-columns:1fr 1fr;gap:10px}
  .op{padding:16px 14px;border-radius:14px}.op .i{font-size:20px;margin-bottom:6px}.op h4{font-size:15px;margin-bottom:4px}.op p{font-size:12.5px;line-height:1.5}
}
@media(max-width:860px) and (max-height:700px){
  .sec.page .lead{font-size:13px}
}
@media(max-width:380px){#eco .eco{grid-template-columns:1fr 1fr}}

/* 模型：桌面 4 列两行，一屏显示 */
@media(min-width:861px){
  #eco .eco{grid-template-columns:repeat(4,1fr);gap:16px}
  #eco .model{padding:20px}
}
@media(min-width:861px) and (max-width:1100px){#eco .eco{gap:12px}#eco .model{padding:16px}#eco .model h3{font-size:17px}}


/* 加盟副标题：较长的翻译按容器宽度换行 */
@media(min-width:1100px){#join .lead{max-width:none;font-size:clamp(14px,1.12vw,16px)}}

/* 深色模式黑色 logo 反色 */
[data-theme=dark] .mico img[src*="openai"],[data-theme=dark] .mico img[src*="grok"]{filter:invert(1)}

/* 标题高光扫描 */
.sec h2,.final h2,.hero h1{position:relative}
.sec h2::after,.final h2::after{content:"";position:absolute;inset:-4px -8px;pointer-events:none;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.55) 50%,transparent 60%);background-size:250% 100%;background-repeat:no-repeat;mix-blend-mode:overlay;animation:sweep 4.5s cubic-bezier(.4,0,.2,1) infinite;-webkit-mask:linear-gradient(#000 0 0);border-radius:8px}
:root:not([data-theme=dark]) .sec h2::after{background-image:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.9) 50%,transparent 60%);mix-blend-mode:soft-light}
.sec h2{display:inline-block}
.sec .head{text-align:inherit}
@keyframes sweep{0%{background-position:150% 0}55%,100%{background-position:-50% 0}}

/* 大厂质感：细描边、玻璃、柔和光晕 */
.card,.model,.op,.video,.plan{box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 1px 2px rgba(0,0,0,.04),0 20px 40px -24px rgba(0,0,0,.25)}
:root:not([data-theme=dark]) .card,:root:not([data-theme=dark]) .model,:root:not([data-theme=dark]) .op,:root:not([data-theme=dark]) .video{box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(16,24,40,.12)}
.card,.model,.op{transition:transform .5s var(--ease),border-color .4s,box-shadow .5s}
.card::after,.op::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;padding:1px;background:linear-gradient(140deg,rgba(240,185,11,.45),transparent 35%,transparent 65%,rgba(240,185,11,.2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .5s}
.op{position:relative}
.card:hover::after,.op:hover::after{opacity:1}
.eyebrow{letter-spacing:.28em;font-weight:700}
.sec.page .lead{color:var(--t2);letter-spacing:.01em}
#nav{backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
.btn-y{background:linear-gradient(180deg,#FCD535,#F0B90B);box-shadow:0 6px 20px -6px rgba(240,185,11,.6)}
.btn-y{position:relative;isolation:isolate}
.btn-y::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.55) 50%,transparent 58%) no-repeat;background-size:300% 100%;animation:btnsweep 3.6s ease-in-out infinite}
@keyframes btnsweep{0%,60%{background-position:120% 0}100%{background-position:-20% 0}}
.mico{box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 6px 16px -6px rgba(0,0,0,.2)}
@media(prefers-reduced-motion:reduce){.sec h2::after,.final h2::after,.btn-y::after{animation:none;display:none}}


/* 关于 HiAi：小屏一屏显示 */
@media(max-width:860px) and (max-height:700px){
  .meaning{gap:18px}
  .meaning .word{font-size:clamp(56px,18vw,80px);line-height:1}
  .meaning .lead{margin-top:12px!important}
  .defs{gap:10px}
  .def{padding:12px 14px}
  .def p{font-size:12.5px;line-height:1.5}
}



/* ticker pinned to hero bottom; stats inside 关于 page */
.hero .ticker{position:absolute;left:0;right:0;bottom:0;z-index:3}
.hero{padding-bottom:120px}
.sec.page.meaning-page{flex-direction:column;justify-content:center;gap:56px}
.meaning-page>.wrap{width:100%}
@media(max-width:720px){.hero{padding-bottom:90px}.sec.page.meaning-page{gap:32px}}
/* 桌面首屏：按可视高度分配留白，为完整标题、按钮和跑马灯留出空间 */
@media(min-width:1025px){
  .hero{--hero-padding:clamp(88px,13svh,120px);min-height:100svh;padding-block:var(--hero-padding)}
  .hero h1{font-size:clamp(48px,min(8vw,11svh),104px);margin-bottom:clamp(12px,2.6svh,24px)}
  .hero:lang(en) h1{font-size:clamp(44px,min(7vw,9svh),88px)}
  .hero .badge{margin-bottom:clamp(10px,3svh,28px)}
  .hero .typing{margin-bottom:clamp(8px,2svh,18px)}
  .hero .sub{font-size:clamp(16px,min(1.6vw,2.2svh),20px);margin-bottom:clamp(16px,4.4svh,40px)}
  .hero .orb-box{max-width:min(520px,calc(100svh - 2 * var(--hero-padding)))}
}
@media(min-width:1025px) and (max-height:760px){
  .hero h1{font-size:clamp(44px,min(8vw,10svh),76px);margin-bottom:16px}
  .hero:lang(en) h1{font-size:clamp(40px,min(6.5vw,8svh),64px)}
  .hero .badge{margin-bottom:12px}
  .hero .typing{margin-bottom:10px}
  .hero .sub{font-size:16px;margin-bottom:20px}
  .hero .btn-lg{padding:12px 24px;font-size:15px}
}
/* 平板/手机：不再强制一屏，板块高度随内容，内容全部显示 */
@media(max-width:860px){
  .sec.page,#join.sec.page{min-height:auto;align-items:flex-start;padding:40px 0;scroll-margin-top:var(--navh)}
  .sec.page .head{margin-bottom:24px}
  .sec.page.meaning-page{gap:28px}
  /* 取消为挤进一屏做的截断和隐藏 */
  #join .head .eyebrow{display:flex}
  #join .jnote{display:block}
  #join .jpts{display:flex;margin:0 0 20px}
  #join h2{font-size:clamp(24px,7vw,34px)}
  #join .lead{font-size:14px}
  /* 加盟方案改为纵向排列，两档都完整可见 */
  #join .plans{display:grid;grid-template-columns:1fr;overflow:visible;margin:0;padding:0;gap:14px}
  #join .plan{flex:none}
}
/* 关于 HiAi：桌面按高度压缩，保证一屏完整 */
@media(min-width:861px){
  .meaning{grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,80px)}
  .meaning .word{font-size:clamp(72px,min(11vw,17vh),180px)}
  .sec.page.meaning-page{gap:clamp(24px,5vh,56px)}
}
@media(min-width:861px) and (max-height:820px){
  .meaning .lead{margin-top:16px!important}
  .defs{gap:12px}
  .def{padding:16px 20px}
  .def .k{width:44px;height:44px;font-size:16px}
  .def h4{font-size:17px}.def p{font-size:13.5px;line-height:1.5}
  .stat{padding:22px 24px}.stat .n{font-size:clamp(28px,3vw,40px)}
}
@media(min-width:861px) and (max-width:1100px){.def{padding:14px 16px;gap:14px}.stat{padding:20px 16px}}

/* 视频特性：横向音频波形脉冲（替代原顶部细线） */
.vfeat .vf{padding-top:0;border-top:0}
.vf::before{display:none}
.wave{display:flex;align-items:center;justify-content:space-between;height:26px;margin-bottom:14px;-webkit-mask-image:linear-gradient(90deg,#000 20%,rgba(0,0,0,.2));mask-image:linear-gradient(90deg,#000 20%,rgba(0,0,0,.2))}
.wave i{flex:0 0 2px;height:100%;border-radius:2px;background:var(--y);transform:scaleY(.12);animation:eq .9s var(--d) ease-in-out infinite alternate;animation-play-state:paused}
.video.in .wave i{animation-play-state:running}
.vf:hover .wave i{animation-duration:.5s}
@keyframes eq{0%{transform:scaleY(.12)}100%{transform:scaleY(var(--h))}}
@media(max-width:860px){.wave{height:20px;margin-bottom:10px}}
@media(prefers-reduced-motion:reduce){.wave i{animation:none!important;transform:scaleY(var(--h))}}

/* 合作方案按钮：去除动效（磁吸、扫光、箭头位移、悬停阴影过渡） */
.plan .btn{transition:none;will-change:auto;transform:none!important}
.plan .btn-y::after{animation:none;display:none}
.plan .btn .arr,.plan .btn:hover .arr{transition:none;transform:none}
.plan .btn-y:hover{box-shadow:0 6px 20px -6px rgba(240,185,11,.6)}