:root{
  --bg:#05070f;
  --bg-2:#080b18;
  --panel:rgba(18,26,48,.55);
  --panel-solid:#0c1226;
  --line:rgba(90,140,255,.16);
  --text:#e6ecff;
  --muted:#8fa0c8;
  --dim:#5b6a94;
  --cyan:#22d3ee;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --glow:0 0 40px rgba(59,130,246,.35);
  --grad:linear-gradient(120deg,#22d3ee,#3b82f6 45%,#8b5cf6);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::selection{background:rgba(59,130,246,.35)}
[id]{scroll-margin-top:96px}

/* backdrop */
#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(90,140,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,255,.045) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%);}
.bg-glow{position:fixed;z-index:0;pointer-events:none;filter:blur(80px);opacity:.5}
.bg-glow.a{top:-160px;left:-120px;width:520px;height:520px;background:radial-gradient(circle,rgba(34,211,238,.35),transparent 70%)}
.bg-glow.b{top:200px;right:-180px;width:600px;height:600px;background:radial-gradient(circle,rgba(139,92,246,.3),transparent 70%)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
header.scrolled{background:rgba(5,7,15,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.logo{width:38px;height:38px;flex:none;object-fit:contain;filter:drop-shadow(0 0 9px rgba(230,30,50,.45))}
.brand b{font-size:19px;letter-spacing:.5px}
.brand span{font-family:"Orbitron",sans-serif;font-size:12px;color:var(--muted);letter-spacing:3px;display:block;margin-top:-4px}
.nav-links{display:flex;gap:34px;font-size:15px;color:var(--muted)}
.nav-links a{position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.25s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{padding:9px 20px;border-radius:8px;border:1px solid var(--line);background:var(--panel);font-size:14px;color:var(--text);transition:.25s}
.nav-cta:hover{border-color:var(--cyan);box-shadow:var(--glow)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--text)}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:72px}
.hero-inner{max-width:820px}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border:1px solid var(--line);border-radius:100px;background:var(--panel);font-size:13px;color:var(--muted);margin-bottom:28px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.12;font-weight:900;letter-spacing:-.5px}
.hero h1 .g,.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(16px,2.2vw,21px);color:var(--muted);margin:26px 0 38px;max-width:640px;font-weight:300}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:15px 30px;border-radius:10px;font-size:15px;font-weight:500;transition:.25s;cursor:pointer;display:inline-flex;align-items:center;gap:9px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 40px rgba(59,130,246,.5)}
.btn-ghost{border:1px solid var(--line);background:var(--panel);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan)}
.stats{display:flex;gap:48px;margin-top:64px;flex-wrap:wrap}
.stat b{font-size:34px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:"Orbitron",sans-serif}
.stat span{color:var(--dim);font-size:14px}

/* page hero (inner pages) */
.page-hero{padding:150px 0 20px;position:relative}
.crumb{font-size:13px;color:var(--dim);margin-bottom:20px}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--muted)}
.page-hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;line-height:1.15;letter-spacing:-.5px;max-width:860px}
.page-hero p{color:var(--muted);font-size:clamp(15px,2vw,19px);font-weight:300;margin-top:22px;max-width:720px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pills span{font-size:12px;color:var(--cyan);border:1px solid var(--line);background:var(--panel);padding:6px 13px;border-radius:100px}

/* section shell */
section{padding:96px 0;position:relative}
section.tight{padding:56px 0}
.eyebrow{font-family:"Orbitron",sans-serif;font-size:13px;letter-spacing:4px;color:var(--cyan);text-transform:uppercase;margin-bottom:16px}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(26px,4vw,40px);font-weight:900;line-height:1.2;letter-spacing:-.5px}
.sec-head p{color:var(--muted);margin-top:18px;font-size:17px;font-weight:300}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* grids + cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:34px 30px;transition:.3s;position:relative;overflow:hidden;backdrop-filter:blur(6px)}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.6),transparent);opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(90,140,255,.4);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.card:hover::before{opacity:1}
.icon{width:54px;height:54px;border-radius:13px;display:grid;place-items:center;margin-bottom:22px;background:linear-gradient(135deg,rgba(34,211,238,.15),rgba(139,92,246,.15));border:1px solid var(--line)}
.icon svg{width:26px;height:26px;stroke:var(--cyan);fill:none;stroke-width:1.7}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px;font-weight:300}
.card .tag{margin-top:18px;display:inline-block;font-size:12px;color:var(--cyan);border:1px solid var(--line);padding:4px 11px;border-radius:6px}

/* products split */
.product-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:96px}
.product-row:last-child{margin-bottom:0}
.product-row.rev .p-visual{order:2}
.p-tag{font-family:"Orbitron",sans-serif;font-size:12px;letter-spacing:3px;color:var(--violet);margin-bottom:14px}
.product-row h3{font-size:30px;font-weight:900;margin-bottom:18px;letter-spacing:-.5px}
.product-row>div>p{color:var(--muted);font-size:16px;font-weight:300;margin-bottom:24px}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:13px}
.feat-list li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--text)}
.feat-list li .ck{flex:none;width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--cyan),var(--blue));display:grid;place-items:center;margin-top:2px}
.feat-list li .ck svg{width:13px;height:13px;stroke:#031;stroke-width:3;fill:none}
.feat-list li b{font-weight:500}
.feat-list li em{font-style:normal;color:var(--muted);font-weight:300}
.p-visual{height:380px;border-radius:20px;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 40%,rgba(59,130,246,.12),transparent 70%),var(--bg-2);position:relative;overflow:hidden}
#graph-canvas{width:100%;height:100%;display:block}
.search-demo{padding:34px}
.search-bar{display:flex;align-items:center;gap:12px;background:var(--panel-solid);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:15px;color:var(--muted);box-shadow:0 0 30px rgba(34,211,238,.1)}
.search-bar .cur{width:2px;height:18px;background:var(--cyan);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.res{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.res-item{background:rgba(12,18,38,.6);border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:13px;opacity:0;transform:translateX(-10px);animation:slidein .5s forwards}
.res-item b{color:var(--cyan)}
.res-item span{color:var(--dim);display:block;margin-top:3px;font-size:12px}
@keyframes slidein{to{opacity:1;transform:none}}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;transition:.3s;position:relative;overflow:hidden;display:block}
.ind:hover{border-color:rgba(90,140,255,.4);transform:translateY(-4px)}
.ind .num{font-family:"Orbitron",sans-serif;font-size:13px;color:var(--dim)}
.ind h4{font-size:19px;font-weight:700;margin:10px 0 8px}
.ind p{color:var(--muted);font-size:14px;font-weight:300}
.ind .more{margin-top:14px;font-size:13px;color:var(--cyan);opacity:0;transform:translateX(-6px);transition:.25s}
.ind:hover .more{opacity:1;transform:none}

/* process / arch pipeline */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.flow.f5{grid-template-columns:repeat(5,1fr)}
.step{padding:0 22px;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;top:26px;right:0;width:100%;height:1px;background:linear-gradient(90deg,var(--line),transparent);transform:translateX(50%)}
.step .n{width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:var(--panel);display:grid;place-items:center;font-family:"Orbitron",sans-serif;font-weight:700;color:var(--cyan);font-size:18px;margin-bottom:20px;position:relative;z-index:2;box-shadow:0 0 24px rgba(34,211,238,.15)}
.step h4{font-size:18px;font-weight:700;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px;font-weight:300}

/* layered architecture */
.arch{display:flex;flex-direction:column;gap:14px}
.arch-layer{border:1px solid var(--line);border-radius:14px;padding:20px 24px;background:var(--panel);display:flex;align-items:center;gap:22px}
.arch-layer .lbl{font-family:"Orbitron",sans-serif;font-size:12px;letter-spacing:2px;color:var(--cyan);flex:none;width:120px}
.arch-layer .mods{display:flex;flex-wrap:wrap;gap:10px}
.arch-layer .mods span{font-size:13px;color:var(--text);background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:7px 14px}
.arch-layer.accent{background:linear-gradient(120deg,rgba(34,211,238,.1),rgba(139,92,246,.1))}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv{text-align:center;padding:30px 20px}
.adv .big{font-family:"Orbitron",sans-serif;font-size:44px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.adv p{color:var(--muted);margin-top:8px;font-size:14px}

/* spec table */
.spec{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel)}
.spec .row{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:18px 26px;border-bottom:1px solid var(--line)}
.spec .row:last-child{border-bottom:none}
.spec .row .k{color:var(--muted);font-size:14px}
.spec .row .v{font-size:15px}
.spec .row .v b{color:var(--cyan);font-family:"Orbitron",sans-serif}

/* scenario card */
.scn{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:32px;transition:.3s}
.scn:hover{border-color:rgba(90,140,255,.4)}
.scn .h{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.scn .h .icon{margin:0;width:46px;height:46px}
.scn h3{font-size:21px;font-weight:800}
.scn .block{margin-top:16px}
.scn .block .t{font-size:12px;letter-spacing:1px;color:var(--dim);font-family:"Orbitron",sans-serif;margin-bottom:6px}
.scn .block p{color:var(--muted);font-size:14px;font-weight:300}
.scn .block.win .t{color:var(--cyan)}

/* timeline */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;background:linear-gradient(var(--cyan),var(--violet),transparent)}
.tl-item{position:relative;margin-bottom:34px}
.tl-item::before{content:"";position:absolute;left:-30px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.tl-item .yr{font-family:"Orbitron",sans-serif;color:var(--cyan);font-size:15px;font-weight:700}
.tl-item h4{font-size:18px;margin:6px 0 6px}
.tl-item p{color:var(--muted);font-size:14px;font-weight:300}

/* cta band */
.cta-band{background:linear-gradient(120deg,rgba(34,211,238,.1),rgba(139,92,246,.12));border:1px solid var(--line);border-radius:24px;padding:64px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:16px}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 34px;font-weight:300}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.info-item{display:flex;gap:16px;margin-bottom:28px}
.info-item .ic{width:46px;height:46px;flex:none;border-radius:12px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center}
.info-item .ic svg{width:22px;height:22px;stroke:var(--cyan);fill:none;stroke-width:1.6}
.info-item b{display:block;font-size:16px;margin-bottom:3px}
.info-item span{color:var(--muted);font-size:14px}
form{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:36px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--text);font-size:15px;font-family:inherit;transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.field textarea{resize:vertical;min-height:110px}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 34px;position:relative;z-index:2}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-brand p{color:var(--muted);font-size:14px;font-weight:300;margin-top:18px;max-width:300px}
.foot-col h5{font-size:14px;margin-bottom:18px;color:var(--text)}
.foot-col a{display:block;color:var(--dim);font-size:14px;margin-bottom:11px;transition:.2s}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--dim);font-size:13px}
.foot-bottom a:hover{color:var(--cyan)}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .grid-3,.grid-4,.ind-grid,.adv-grid,.flow,.flow.f5{grid-template-columns:repeat(2,1fr)}
  .product-row,.contact-grid,.foot-top{grid-template-columns:1fr}
  .product-row.rev .p-visual{order:0}
  .step::after{display:none}
  .nav-links,.nav-cta{display:none}
  .burger{display:flex}
  .foot-top{grid-template-columns:1fr 1fr}
  .arch-layer{flex-direction:column;align-items:flex-start;gap:12px}
  .arch-layer .lbl{width:auto}
  .spec .row{grid-template-columns:1fr;gap:4px}
}
@media(max-width:560px){
  .grid-3,.grid-4,.ind-grid,.adv-grid,.flow,.flow.f5,.foot-top{grid-template-columns:1fr}
  .stats{gap:28px}
  .cta-band{padding:40px 24px}
}