:root{
  --navy:#081226;
  --navy-2:#0d1b38;
  --blue:#2455d6;
  --blue-2:#3971ff;
  --blue-soft:#edf3ff;
  --ink:#101a2e;
  --muted:#5c6679;
  --line:#dfe5ef;
  --surface:#f6f8fc;
  --white:#fff;
  --green:#29a86b;
  --radius:20px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:1000;padding:10px 14px;background:#fff;border-radius:8px}
.skip-link:focus{left:8px}
.site-header{height:72px;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,229,239,.8);display:flex;align-items:center;padding:0 max(24px,calc((100vw - var(--max))/2));gap:34px}
.brand{display:inline-flex;align-items:center;text-decoration:none;white-space:nowrap}
.brand-hashkey{font-weight:850;letter-spacing:-.02em;font-size:19px}
.brand-divider{height:18px;width:1px;background:#ccd4e0;margin:0 10px}
.brand-hip{color:var(--blue);font-weight:800;font-size:17px}
.desktop-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.desktop-nav a{font-size:14px;text-decoration:none;color:#47536a;font-weight:550}
.desktop-nav a:hover{color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions select{height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#455168;padding:0 9px;font:inherit;font-size:12px}
.menu-button{display:none;border:0;background:none;font-size:22px;color:var(--ink);cursor:pointer}
.mobile-nav{display:none}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;text-decoration:none;font-size:14px;font-weight:700;transition:.2s ease;border:1px solid transparent}
.button:hover{transform:translateY(-1px)}
.button-small{min-height:36px;padding:0 14px;font-size:13px}
.button-primary{background:var(--blue);color:#fff;box-shadow:0 9px 22px rgba(36,85,214,.22)}
.button-primary:hover{background:#1d49bd}
.button-secondary{background:#fff;color:var(--ink);border-color:#d7dfec}
.button-secondary:hover{border-color:var(--blue);color:var(--blue)}
.button-ghost{background:#fff;border-color:#d7dfec}
.button-light{background:#fff;color:var(--navy)}
.button-outline-light{border-color:rgba(255,255,255,.4);color:#fff}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:800;color:var(--blue);margin:0 0 16px}
.hero{background:var(--navy);color:#fff;overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;right:-150px;top:-230px;background:radial-gradient(circle,rgba(63,113,255,.38),rgba(63,113,255,0) 68%)}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to right,transparent 0,#000 60%,#000)}
.hero-grid{position:relative;z-index:1;max-width:var(--max);margin:auto;min-height:680px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:80px;padding:86px 24px 78px}
.hero .eyebrow{color:#91b0ff}
.hero h1{font-size:clamp(46px,5vw,76px);line-height:1.06;letter-spacing:-.045em;margin:0;max-width:800px}
.hero-lead{font-size:18px;line-height:1.75;color:#b9c5d9;max-width:720px;margin:28px 0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-tags{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;color:#92a2bb;font-size:12px}
.hero-tags span:before{content:"";display:inline-block;width:6px;height:6px;background:#4d7eff;border-radius:50%;margin-right:8px}
.hero-visual{position:relative;height:500px;min-width:0}
.hero-visual:before,.hero-visual:after{content:"";position:absolute;left:50%;top:50%;border:1px solid rgba(121,156,255,.32);border-radius:50%;transform:translate(-50%,-50%)}
.hero-visual:before{width:390px;height:390px}
.hero-visual:after{width:270px;height:270px}
.visual-core{position:absolute;z-index:3;width:150px;height:150px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#376cf2,#183b9d);box-shadow:0 25px 60px rgba(24,58,155,.5)}
.visual-core span{font-size:43px;font-weight:900;letter-spacing:-.05em}
.visual-core small{font-size:11px;color:#c8d7ff;margin-top:4px}
.visual-node{position:absolute;z-index:4;width:150px;padding:14px;border:1px solid rgba(139,166,236,.35);background:rgba(18,37,75,.82);border-radius:14px;backdrop-filter:blur(10px)}
.visual-node b{display:block;font-size:14px}
.visual-node span{display:block;margin-top:5px;color:#8fa5ca;font-size:11px}
.node-agent{left:0;top:58px}.node-legal{right:0;top:62px}.node-structure{left:-16px;bottom:70px}.node-distribution{right:-12px;bottom:62px}.node-launch{left:50%;bottom:0;transform:translateX(-50%)}
.trust-strip{max-width:var(--max);margin:-34px auto 0;position:relative;z-index:3;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(20,36,70,.09);display:grid;grid-template-columns:repeat(4,1fr)}
.trust-strip div{padding:24px 28px;border-right:1px solid var(--line)}
.trust-strip div:last-child{border-right:0}
.trust-strip strong{display:block;font-size:14px}
.trust-strip span{display:block;color:var(--muted);font-size:12px;margin-top:6px}
.section{max-width:var(--max);margin:auto;padding:110px 24px}
.section-heading{max-width:720px;margin-bottom:48px}
.section-heading h2,.agent-band h2,.contact h2{font-size:clamp(34px,4vw,52px);line-height:1.16;letter-spacing:-.035em;margin:0}
.section-heading>p:last-child{font-size:16px;color:var(--muted);line-height:1.75;margin:18px 0 0}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.product-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:38px;overflow:hidden}
.product-card:after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;right:-100px;top:-110px;background:var(--blue-soft)}
.product-number{position:relative;z-index:2;font-size:12px;color:#8792a6;font-weight:800;letter-spacing:.12em}
.product-kicker{position:relative;z-index:2;color:var(--blue);font-size:13px;font-weight:800;margin:22px 0 8px}
.product-card h3{position:relative;z-index:2;font-size:28px;margin:0}
.product-card>p:not(.product-kicker){position:relative;z-index:2;color:var(--muted);font-size:15px;line-height:1.75;min-height:80px}
.product-card ul{position:relative;z-index:2;list-style:none;padding:0;margin:26px 0}
.product-card li{font-size:14px;padding:9px 0;border-top:1px solid var(--line)}
.product-card li:before{content:"✓";color:var(--green);font-weight:800;margin-right:10px}
.product-card>a{position:relative;z-index:2;color:var(--blue);text-decoration:none;font-size:14px;font-weight:750}
.product-launchpad{background:#f8faff}
.section-blue{max-width:none;background:var(--blue);color:#fff;padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}
.section-heading.light .eyebrow{color:#bdcfff}.section-heading.light p{color:#d5e0ff}
.workflow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.workflow li{min-width:0}
.workflow li>span{display:flex;width:38px;height:38px;border-radius:50%;align-items:center;justify-content:center;background:#fff;color:var(--blue);font-weight:850;margin-bottom:22px;position:relative}
.workflow li:not(:last-child)>span:after{content:"";position:absolute;left:38px;width:calc((var(--max) - 48px)/7 - 38px);height:1px;background:rgba(255,255,255,.35)}
.workflow b{display:block;font-size:15px}
.workflow p{font-size:12px;color:#d9e3ff;line-height:1.6;min-height:58px}
.workflow small{font-size:10px;color:#aebfe9;line-height:1.4}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.capability-grid article{padding:32px;min-height:210px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.capability-grid article:nth-child(3n){border-right:0}.capability-grid article:nth-last-child(-n+3){border-bottom:0}
.capability-grid span{font-size:12px;color:#8b96aa;font-weight:700}
.capability-grid h3{font-size:20px;margin:34px 0 12px}
.capability-grid p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}
.section-soft{max-width:none;background:var(--surface);padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.scenario-grid span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 20px;font-size:14px;font-weight:650}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{border:1px solid var(--line);border-radius:16px;padding:30px;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,#f9fbff,#fff)}
.case-label{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:.1em}
.case-card h3{font-size:22px;line-height:1.35;margin:12px 0}
.case-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.agent-band{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
.agent-band>div:first-child>p:not(.eyebrow){font-size:16px;line-height:1.75;color:var(--muted);margin:22px 0 28px}
.agent-preview{background:#f5f7fb;border:1px solid var(--line);border-radius:20px;padding:22px}
.agent-preview-head{display:flex;align-items:center;gap:9px;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:13px}
.agent-dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}
.bubble{max-width:88%;padding:13px 15px;border-radius:14px;font-size:13px;line-height:1.65;margin-top:16px}
.bubble-user{margin-left:auto;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.bubble-agent{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.agent-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.agent-chips span{padding:7px 10px;border:1px solid #cfd9ea;background:#fff;border-radius:999px;font-size:11px;color:#52617a}
.contact{max-width:var(--max);margin:30px auto 0;background:var(--navy);color:#fff;border-radius:24px;padding:58px 62px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.contact .eyebrow{color:#91b0ff}
.contact h2{max-width:760px;font-size:38px}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
footer{max-width:var(--max);margin:auto;padding:70px 24px 42px;color:#6c7688;font-size:12px}
.footer-brand{margin-bottom:22px}.footer-note{max-width:680px;line-height:1.7}
@media(max-width:980px){
  .desktop-nav,.header-actions>.button,.header-actions select{display:none}
  .menu-button{display:block}
  .mobile-nav{position:absolute;top:72px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:0 18px 50px rgba(20,36,70,.14)}
  .mobile-nav.open{display:grid}
  .mobile-nav a{text-decoration:none;padding:12px;border-radius:8px;font-size:14px}.mobile-nav a:hover{background:var(--surface)}
  .hero-grid{grid-template-columns:1fr;padding-top:70px;gap:20px}.hero-visual{height:420px;max-width:600px;width:100%;margin:auto}
  .trust-strip{margin:0;border-radius:0;border-left:0;border-right:0;grid-template-columns:1fr 1fr}
  .trust-strip div:nth-child(2){border-right:0}.trust-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .workflow{grid-template-columns:1fr 1fr}.workflow li:not(:last-child)>span:after{display:none}
  .capability-grid{grid-template-columns:1fr 1fr}.capability-grid article{border:0;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}.capability-grid article:nth-child(2n){border-right:0}.capability-grid article:nth-last-child(-n+2){border-bottom:0}
  .scenario-grid{grid-template-columns:1fr 1fr}.case-grid{grid-template-columns:1fr}.agent-band{grid-template-columns:1fr}.contact{margin:20px 20px 0;display:block}.contact-actions{justify-content:flex-start;margin-top:28px}
}
@media(max-width:640px){
  .site-header{height:62px;padding:0 16px}.mobile-nav{top:62px}
  .hero-grid{min-height:auto;padding:58px 20px 44px}.hero h1{font-size:42px}.hero-lead{font-size:16px}
  .hero-actions{display:grid}.button{width:100%}.hero-visual{height:340px}.hero-visual:before{width:300px;height:300px}.hero-visual:after{width:210px;height:210px}.visual-core{width:120px;height:120px}.visual-core span{font-size:34px}.visual-node{width:126px;padding:10px}.node-agent{top:28px}.node-legal{top:30px}.node-structure{left:0;bottom:34px}.node-distribution{right:0;bottom:30px}.node-launch{display:none}
  .trust-strip{grid-template-columns:1fr}.trust-strip div{border-right:0;border-bottom:1px solid var(--line)!important}
  .section{padding:78px 20px}.product-grid,.capability-grid,.scenario-grid{grid-template-columns:1fr}.capability-grid article{border-right:0;border-bottom:1px solid var(--line)!important}.capability-grid article:last-child{border-bottom:0!important}
  .workflow{grid-template-columns:1fr}.workflow li{display:grid;grid-template-columns:48px 1fr;gap:12px}.workflow li>span{margin:0}.workflow p{min-height:auto}
  .product-card{padding:28px}.contact{padding:38px 26px}.contact h2{font-size:30px}.contact-actions{display:grid}.contact .button{width:100%}
}