:root{
  --page:#f7f9ff;
  --page-2:#f2f5ff;
  --surface:rgba(255,255,255,.72);
  --surface-strong:#ffffff;
  --ink:#172038;
  --ink-2:#526078;
  --ink-3:#8591a7;
  --line:rgba(74,92,143,.13);
  --line-strong:rgba(74,92,143,.24);
  --blue:#4968df;
  --blue-2:#6d8cf2;
  --blue-3:#93b3ff;
  --violet:#8b7ff2;
  --cyan:#7dc8ef;
  --blue-soft:rgba(73,104,223,.09);
  --violet-soft:rgba(139,127,242,.09);
  --navy:#16223b;
  --green:#2d7a63;
  --radius:26px;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --display:'Space Grotesk','Noto Sans SC',sans-serif;
  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --shadow:0 24px 70px rgba(50,66,118,.12);
  --shadow-soft:0 12px 40px rgba(50,66,118,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 50% -12%,rgba(146,166,255,.22),transparent 35rem),
    radial-gradient(circle at 82% 16%,rgba(145,207,243,.18),transparent 27rem),
    radial-gradient(circle at 12% 10%,rgba(186,170,255,.13),transparent 30rem),
    linear-gradient(180deg,#fbfcff 0%,#f6f8ff 35%,#f8faff 100%);
  font-family:var(--sans);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.eyebrow{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--blue);
}
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,255,.72);
  border-bottom:1px solid rgba(74,92,143,.07);
  backdrop-filter:blur(24px) saturate(150%);
  -webkit-backdrop-filter:blur(24px) saturate(150%);
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-size:18px;font-weight:700;text-decoration:none}
.logo img{width:28px;height:28px;border-radius:8px;box-shadow:0 8px 22px rgba(73,104,223,.18)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a,.footer-links a{
  color:var(--ink-2);font-size:12px;font-weight:500;text-decoration:none;
  transition:color .2s,opacity .2s;
}
.nav-links a:hover,.footer-links a:hover{color:var(--blue)}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 19px;
  border:1px solid var(--line-strong);
  border-radius:14px;
  background:rgba(255,255,255,.74);
  color:var(--ink);
  font-size:13px;font-weight:600;
  text-decoration:none;
  box-shadow:0 10px 26px rgba(53,69,120,.04);
  backdrop-filter:blur(14px);
  transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.button:hover{transform:translateY(-2px);border-color:rgba(73,104,223,.35);box-shadow:0 16px 34px rgba(53,69,120,.09);background:#fff}
.button.primary{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg,#334eb2 0%,#536fe0 58%,#718df0 100%);
  box-shadow:0 14px 34px rgba(73,104,223,.24);
}
.button.primary:hover{box-shadow:0 18px 42px rgba(73,104,223,.3)}
.button.glass{background:rgba(255,255,255,.68)}
.announcement{
  display:inline-flex;align-items:center;gap:10px;
  min-height:36px;padding:0 14px;
  border:1px solid rgba(73,104,223,.14);
  border-radius:999px;
  background:rgba(255,255,255,.68);
  box-shadow:0 10px 28px rgba(65,80,130,.06);
  backdrop-filter:blur(16px);
  color:var(--ink-2);
  font-size:11px;
  text-decoration:none;
}
.announcement b{color:var(--blue);font-weight:600}
.announcement-dot{
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 0 0 5px rgba(73,104,223,.08);
}
.aurora{position:absolute;border-radius:50%;filter:blur(18px);pointer-events:none;opacity:.72}
.aurora-a{width:620px;height:360px;left:50%;top:80px;transform:translateX(-58%);background:radial-gradient(circle,rgba(105,130,235,.33),rgba(132,163,245,.14) 45%,transparent 72%)}
.aurora-b{width:520px;height:320px;right:-100px;top:160px;background:radial-gradient(circle,rgba(126,199,239,.26),rgba(145,207,243,.1) 48%,transparent 72%)}
.aurora-c{width:480px;height:300px;left:-130px;top:260px;background:radial-gradient(circle,rgba(164,139,245,.2),rgba(164,139,245,.07) 48%,transparent 72%)}

.home-hero{position:relative;overflow:hidden;padding:64px 0 88px;min-height:840px}
.hero-grid-lines{
  position:absolute;left:50%;bottom:-230px;transform:translateX(-50%);
  width:1180px;height:560px;border-radius:50%;
  background:
    repeating-radial-gradient(ellipse at center,rgba(73,104,223,.08) 0 1px,transparent 1px 44px);
  mask-image:linear-gradient(to top,rgba(0,0,0,.95),transparent 74%);
  opacity:.6;
  pointer-events:none;
}
.hero-stage{position:relative;z-index:2;text-align:center}
.hero-stage>.announcement{margin:4px auto 24px}
.hero-brand{
  width:74px;height:74px;margin:0 auto 18px;padding:13px;
  border:1px solid rgba(73,104,223,.12);
  border-radius:24px;
  background:rgba(255,255,255,.72);
  box-shadow:0 18px 54px rgba(73,104,223,.12);
  backdrop-filter:blur(18px);
}
.hero-brand img{width:100%;height:100%;object-fit:contain;border-radius:14px}
.hero-copy.centered{max-width:930px;margin:0 auto}
.hero-copy h1{
  margin:12px 0 0;
  font-family:var(--display);
  font-size:clamp(48px,7.4vw,84px);
  font-weight:600;
  line-height:1.02;
  letter-spacing:-.05em;
}
.hero-copy h1 span{
  background:linear-gradient(90deg,#3956ba 4%,#536fdc 38%,#718eea 68%,#799bdc 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy>p{
  max-width:760px;margin:27px auto 0;
  color:var(--ink-2);font-size:16px;line-height:1.9;
}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:32px}
.centered-actions{justify-content:center}

.hero-canvas{
  position:relative;
  width:min(900px,100%);
  height:300px;
  margin:58px auto 0;
  border:1px solid rgba(73,104,223,.1);
  border-radius:38px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.8),rgba(250,251,255,.52)),
    radial-gradient(circle at 50% 48%,rgba(103,132,235,.13),transparent 42%);
  box-shadow:0 26px 80px rgba(59,76,128,.08),inset 0 1px 0 rgba(255,255,255,.92);
  backdrop-filter:blur(22px);
  overflow:hidden;
}
.canvas-glow{
  position:absolute;left:50%;top:50%;width:310px;height:210px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(85,112,225,.2),rgba(122,156,239,.08) 42%,transparent 70%);
  filter:blur(8px);
}
.orbit{position:absolute;left:50%;top:50%;border:1px solid rgba(73,104,223,.12);border-radius:50%;transform:translate(-50%,-50%) rotate(-7deg)}
.orbit-1{width:520px;height:180px}
.orbit-2{width:710px;height:245px;transform:translate(-50%,-50%) rotate(8deg)}
.canvas-core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:176px;height:176px;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  border:1px solid rgba(73,104,223,.18);
  background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(240,244,255,.88));
  box-shadow:0 18px 55px rgba(73,104,223,.16),0 0 0 14px rgba(255,255,255,.35);
}
.canvas-core img{width:46px;height:46px;border-radius:13px;margin-bottom:11px}
.canvas-core strong{font-family:var(--display);font-size:16px}
.canvas-core span{margin-top:3px;color:var(--ink-3);font-family:var(--mono);font-size:9px}
.float-node{
  position:absolute;min-width:142px;padding:13px 15px 13px 38px;
  border:1px solid rgba(73,104,223,.11);border-radius:16px;
  background:rgba(255,255,255,.82);
  box-shadow:0 14px 38px rgba(54,69,120,.08);
  text-align:left;
  backdrop-filter:blur(14px);
}
.float-node i{position:absolute;left:15px;top:17px;width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 0 0 5px rgba(73,104,223,.07)}
.float-node b{display:block;font-size:11.5px}
.float-node span{display:block;margin-top:2px;color:var(--ink-3);font-family:var(--mono);font-size:8.5px}
.node-world{left:65px;top:50px}
.node-runtime{right:70px;top:48px}
.node-edge{left:105px;bottom:45px}
.node-controller{right:105px;bottom:46px}
.node-reality{left:50%;bottom:18px;transform:translateX(-50%)}

.systems{position:relative;padding:112px 0 120px;background:linear-gradient(180deg,rgba(255,255,255,.26),rgba(245,248,255,.76))}
.split-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,430px);gap:60px;align-items:end;margin-bottom:46px}
.section-intro h2,.principle-card h2,.detail-section h2{
  margin:11px 0 0;
  font-family:var(--display);
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.14;
  letter-spacing:-.035em;
}
.split-intro p,.detail-section-head>p{margin:0;color:var(--ink-2);font-size:13.5px;line-height:1.85}
.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.service-card{
  position:relative;min-height:410px;padding:0;
  display:grid;grid-template-rows:160px 1fr auto;
  border:1px solid rgba(73,104,223,.11);
  border-radius:30px;
  overflow:hidden;
  background:rgba(255,255,255,.78);
  box-shadow:var(--shadow-soft);
  text-decoration:none;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.service-card:hover{transform:translateY(-5px);border-color:rgba(73,104,223,.23);box-shadow:var(--shadow)}
.portal-visual{
  position:relative;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.service-aios .portal-visual{background:radial-gradient(circle at 50% 35%,rgba(104,132,238,.26),transparent 44%),linear-gradient(135deg,#f3f6ff,#eef4ff)}
.service-dify .portal-visual{background:radial-gradient(circle at 50% 40%,rgba(139,127,242,.22),transparent 44%),linear-gradient(135deg,#f7f4ff,#f1f0ff)}
.service-grafana .portal-visual{background:radial-gradient(circle at 50% 40%,rgba(242,163,104,.20),transparent 45%),linear-gradient(135deg,#fff7f0,#fff2e9)}
.service-prom .portal-visual{background:radial-gradient(circle at 50% 40%,rgba(234,112,94,.18),transparent 45%),linear-gradient(135deg,#fff6f3,#fff0ec)}
.portal-status{
  position:absolute;right:18px;top:16px;
  padding:4px 8px;border-radius:999px;
  background:rgba(255,255,255,.68);
  color:var(--ink-3);
  font-family:var(--mono);font-size:8px;letter-spacing:.08em;
}
.portal-glyph{position:relative;width:88px;height:88px;border-radius:28px;background:rgba(255,255,255,.76);box-shadow:0 18px 50px rgba(60,77,130,.1);border:1px solid rgba(255,255,255,.86)}
.portal-glyph::before,.portal-glyph::after,.portal-glyph i{content:"";position:absolute}
.glyph-aios::before{inset:19px;border-radius:50%;border:2px solid rgba(73,104,223,.7)}
.glyph-aios::after{left:50%;top:16px;width:2px;height:56px;background:linear-gradient(var(--blue),transparent);transform:rotate(42deg)}
.glyph-aios i{width:15px;height:15px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));left:37px;top:36px;box-shadow:0 0 0 8px rgba(73,104,223,.08)}
.glyph-dify::before{width:42px;height:42px;left:23px;top:23px;border-radius:16px;transform:rotate(45deg);background:linear-gradient(135deg,#786ce7,#9a8ff3);box-shadow:16px -16px 0 -7px rgba(139,127,242,.24),-16px 16px 0 -7px rgba(139,127,242,.18)}
.glyph-dify::after{width:12px;height:12px;border-radius:50%;background:#fff;left:38px;top:38px}
.glyph-grafana::before{width:50px;height:50px;border:5px solid #f39a5b;border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;left:19px;top:19px;transform:rotate(14deg)}
.glyph-grafana::after{width:30px;height:30px;border:4px solid rgba(243,154,91,.55);border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;left:29px;top:29px}
.glyph-prom::before{left:24px;right:24px;bottom:27px;height:3px;background:#e56c56;border-radius:999px}
.glyph-prom::after{left:25px;top:27px;width:38px;height:30px;border-bottom:4px solid #e56c56;border-radius:50%;transform:skewX(-18deg)}
.service-body{padding:25px 28px 22px}
.service-top{display:flex;align-items:center;justify-content:space-between}
.service-index{font-family:var(--mono);font-size:9px;color:var(--ink-3)}
.service-arrow{font-size:18px;color:var(--ink-3)}
.service-kicker{margin-top:24px;color:var(--blue);font-family:var(--mono);font-size:9px;letter-spacing:.13em}
.service-card h3{margin:8px 0 8px;font-family:var(--display);font-size:31px;letter-spacing:-.025em}
.service-card p{max-width:510px;margin:0;color:var(--ink-2);font-size:13px;line-height:1.82}
.service-meta{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 28px;border-top:1px solid var(--line);font-family:var(--mono);font-size:9px;color:var(--ink-3)}
.service-meta b{font-weight:500;color:var(--blue)}

.principle-band{padding:24px 0 110px}
.principle-card{
  position:relative;overflow:hidden;
  min-height:240px;padding:48px 52px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:50px;align-items:center;
  border:1px solid rgba(73,104,223,.11);
  border-radius:32px;
  background:
    radial-gradient(circle at 12% 10%,rgba(121,151,242,.18),transparent 22rem),
    radial-gradient(circle at 90% 90%,rgba(131,196,235,.18),transparent 20rem),
    rgba(255,255,255,.74);
  box-shadow:var(--shadow-soft);
}
.principle-card h2{max-width:710px}
.principle-points{display:grid;gap:10px;min-width:210px}
.principle-points span{display:flex;align-items:center;gap:9px;color:var(--ink-2);font-family:var(--mono);font-size:10px}
.principle-points i{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 0 0 5px rgba(73,104,223,.06)}
.principle-orb{position:absolute;width:250px;height:250px;border-radius:50%;right:-70px;top:-80px;border:1px solid rgba(73,104,223,.1);box-shadow:0 0 0 34px rgba(73,104,223,.03),0 0 0 68px rgba(73,104,223,.02)}

.footer{border-top:1px solid var(--line);background:rgba(255,255,255,.48);padding:35px 0}
.footer-inner{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:28px}
.footer-logo{font-size:15px}
.footer-logo img{width:24px;height:24px}
.footer-links{display:flex;gap:22px}
.footer-inner>span{font-family:var(--mono);font-size:10px;color:var(--ink-3)}

/* AIOS detail */
.rich-detail-hero{position:relative;overflow:hidden;padding:92px 0 94px}
.detail-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(400px,.98fr);gap:74px;align-items:center}
.detail-copy .detail-announcement{margin-bottom:26px}
.detail-title{
  margin:12px 0 0;
  font-family:var(--display);
  font-size:clamp(50px,6.9vw,78px);
  line-height:1.02;
  letter-spacing:-.05em;
  font-weight:600;
}
.detail-title span{
  background:linear-gradient(90deg,#3c58bd,#5975de 54%,#7294e7);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.detail-lead{max-width:690px;margin:24px 0 0;color:var(--ink-2);font-size:15px;line-height:1.9}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-mini-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px}
.hero-mini-points span{display:inline-flex;align-items:center;gap:7px;color:var(--ink-3);font-family:var(--mono);font-size:9px}
.hero-mini-points i{width:6px;height:6px;border-radius:50%;background:var(--blue-2)}

.aios-stack{
  position:relative;padding:28px;
  border:1px solid rgba(73,104,223,.12);
  border-radius:34px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.88),rgba(246,248,255,.68)),
    radial-gradient(circle at 50% 30%,rgba(103,132,235,.12),transparent 45%);
  box-shadow:var(--shadow);
  backdrop-filter:blur(20px);
}
.stack-halo{position:absolute;inset:20% 20%;border-radius:50%;background:radial-gradient(circle,rgba(98,126,232,.15),transparent 68%);filter:blur(8px)}
.stack-card{
  position:relative;z-index:2;padding:17px 18px;border:1px solid rgba(73,104,223,.11);border-radius:17px;background:rgba(255,255,255,.86);box-shadow:0 13px 32px rgba(53,69,120,.07)
}
.stack-card b{display:block;font-size:13px}
.stack-card small{display:block;margin-top:3px;color:var(--ink-3);font-family:var(--mono);font-size:8.5px}
.stack-tag{display:inline-flex;margin-bottom:6px;padding:3px 6px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-family:var(--mono);font-size:7.5px;letter-spacing:.08em}
.stack-cloud{width:74%;margin-left:auto;margin-right:auto}
.stack-edge{width:84%;margin-left:auto;margin-right:auto}
.stack-node{width:94%;margin-left:auto;margin-right:auto}
.stack-link{height:24px;display:flex;justify-content:center;align-items:center}
.stack-link span{width:1px;height:18px;background:linear-gradient(var(--blue-2),transparent)}
.stack-local-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}
.stack-local-grid>div{padding:13px;border:1px solid rgba(73,104,223,.1);border-radius:14px;background:rgba(255,255,255,.78)}
.stack-local-grid span{font-family:var(--mono);font-size:7.5px;color:var(--blue)}
.stack-local-grid b{display:block;margin-top:4px;font-size:10.5px}
.stack-local-grid small{display:block;margin-top:2px;font-family:var(--mono);font-size:7.5px;color:var(--ink-3)}

.detail-section{padding:94px 0;border-top:1px solid rgba(74,92,143,.08)}
.tinted-section{background:linear-gradient(180deg,rgba(242,246,255,.7),rgba(249,250,255,.5))}
.detail-section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,440px);gap:60px;align-items:end;margin-bottom:44px}
.detail-section-head>p{margin:0}

.architecture-cards{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:10px;align-items:center}
.arch-card{
  min-height:220px;padding:20px 18px;
  border:1px solid rgba(73,104,223,.11);border-radius:22px;
  background:rgba(255,255,255,.8);
  box-shadow:var(--shadow-soft);
}
.arch-card>span{font-family:var(--mono);font-size:8px;letter-spacing:.08em;color:var(--blue)}
.arch-card b{display:block;margin-top:18px;font-size:13px}
.arch-card small{display:block;margin-top:7px;color:var(--ink-3);font-size:10px;line-height:1.6}
.arch-connector{color:var(--blue-2);font-family:var(--mono);font-size:16px}
.arch-icon{position:relative;width:62px;height:62px;margin-top:25px;border-radius:20px;background:linear-gradient(145deg,#f8faff,#eef2ff);box-shadow:inset 0 0 0 1px rgba(73,104,223,.08)}
.arch-icon::before,.arch-icon::after{content:"";position:absolute}
.cloud-icon::before{width:31px;height:18px;left:15px;top:24px;border:2px solid var(--blue-2);border-radius:14px}
.cloud-icon::after{width:16px;height:16px;left:23px;top:16px;border:2px solid var(--blue-2);border-bottom-color:transparent;border-radius:50%}
.edge-icon::before{inset:14px;border:2px solid var(--blue-2);border-radius:9px}
.edge-icon::after{left:22px;right:22px;bottom:18px;height:2px;background:var(--blue-2)}
.native-icon::before{width:34px;height:4px;left:14px;top:20px;background:var(--blue-2);box-shadow:0 10px 0 rgba(73,104,223,.55),0 20px 0 rgba(73,104,223,.25);border-radius:999px}
.node-icon::before{inset:16px;border:2px solid var(--blue-2);border-radius:50%}
.node-icon::after{width:9px;height:9px;left:27px;top:27px;border-radius:50%;background:var(--blue)}
.local-icon::before{left:15px;right:15px;top:18px;height:2px;background:var(--blue-2);box-shadow:0 13px 0 rgba(73,104,223,.6),0 26px 0 rgba(73,104,223,.3)}
.local-icon::after{width:7px;height:7px;border-radius:50%;background:var(--blue);left:15px;top:15px;box-shadow:25px 13px 0 rgba(73,104,223,.7),10px 26px 0 rgba(73,104,223,.45)}

.component-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.component-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:76px 1fr;gap:20px;
  min-height:245px;padding:28px;
  border:1px solid rgba(73,104,223,.11);border-radius:26px;
  background:rgba(255,255,255,.78);box-shadow:var(--shadow-soft)
}
.component-card::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-80px;top:-95px;background:radial-gradient(circle,rgba(108,139,237,.12),transparent 68%)}
.component-card:last-child{grid-column:1/-1}
.component-mark{width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:21px;background:linear-gradient(145deg,#f6f8ff,#edf2ff);border:1px solid rgba(73,104,223,.1);color:var(--blue);font-family:var(--mono);font-size:12px;font-weight:500}
.component-card span{font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:var(--blue)}
.component-card h3{margin:6px 0 8px;font-family:var(--display);font-size:21px}
.component-card p{margin:0;color:var(--ink-2);font-size:12.5px;line-height:1.82}
.component-card a{display:inline-flex;margin-top:18px;color:var(--blue);font-family:var(--mono);font-size:9px;text-decoration:none}
.component-card a:hover{text-decoration:underline}

.semantic-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}
.semantic-grid article{
  min-height:230px;padding:21px 19px;
  border:1px solid rgba(73,104,223,.1);border-radius:22px;
  background:rgba(255,255,255,.78);box-shadow:var(--shadow-soft)
}
.semantic-grid article>span{font-family:var(--mono);font-size:8px;color:var(--ink-3)}
.semantic-symbol{margin:28px 0 22px;color:var(--blue);font-family:var(--display);font-size:34px;font-weight:600}
.semantic-grid b{display:block;font-size:12px;line-height:1.5}
.semantic-grid p{margin:8px 0 0;color:var(--ink-3);font-size:10.5px;line-height:1.7}

.usage-timeline{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.usage-timeline::before{content:"";position:absolute;left:7%;right:7%;top:33px;height:1px;background:linear-gradient(90deg,transparent,var(--blue-2),transparent)}
.usage-step{position:relative;z-index:1}
.usage-step>span{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin-bottom:19px;border-radius:50%;background:rgba(255,255,255,.94);border:1px solid rgba(73,104,223,.15);box-shadow:0 12px 28px rgba(73,104,223,.09);font-family:var(--mono);font-size:9px;color:var(--blue)}
.usage-step>i{display:none}
.usage-step>div{padding:18px;border:1px solid rgba(73,104,223,.1);border-radius:18px;background:rgba(255,255,255,.78);min-height:150px}
.usage-step b{font-size:12px}
.usage-step p{margin:7px 0 0;color:var(--ink-3);font-size:10.5px;line-height:1.7}

.repo-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.repo-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:74px;padding:16px 18px;
  border:1px solid rgba(73,104,223,.1);border-radius:18px;
  background:rgba(255,255,255,.76);
  box-shadow:0 10px 26px rgba(53,69,120,.04);
  text-decoration:none;
  transition:transform .2s,border-color .2s;
}
.repo-link:hover{transform:translateY(-2px);border-color:rgba(73,104,223,.24)}
.repo-link b{font-family:var(--mono);font-size:10px}
.repo-link span{color:var(--blue);font-family:var(--mono);font-size:8.5px}

a:focus-visible{outline:3px solid rgba(73,104,223,.25);outline-offset:3px}


/* AIOS human → system → reality loop and conceptual component map */
.agency-flow{display:grid;gap:10px;padding:24px}
.flow-human,.flow-reality{
  position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:14px 16px;border:1px solid rgba(73,104,223,.12);border-radius:17px;
  background:rgba(255,255,255,.82);box-shadow:0 10px 26px rgba(53,69,120,.05);text-align:center
}
.flow-eyebrow{color:var(--blue);font-family:var(--mono);font-size:8px;letter-spacing:.14em}
.flow-human b,.flow-reality b{font-size:11px}
.flow-link{position:relative;height:18px;display:flex;justify-content:center}
.flow-link::before{content:"";width:1px;height:13px;background:linear-gradient(var(--blue-2),rgba(73,104,223,.25))}
.flow-link::after{content:"";position:absolute;bottom:0;width:6px;height:6px;border-right:1px solid var(--blue-2);border-bottom:1px solid var(--blue-2);transform:rotate(45deg)}
.flow-aios{position:relative;z-index:1;padding:15px;border:1px solid rgba(73,104,223,.16);border-radius:20px;background:linear-gradient(145deg,rgba(255,255,255,.95),rgba(241,245,255,.88));box-shadow:0 14px 36px rgba(73,104,223,.09)}
.flow-aios-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}
.flow-aios-head .stack-tag{margin:0}
.flow-aios-head>b{font-family:var(--display);font-size:15px}
.flow-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
.flow-step{display:flex;align-items:center;gap:7px;min-height:40px;padding:8px;border:1px solid rgba(73,104,223,.09);border-radius:11px;background:rgba(255,255,255,.76)}
.flow-step small{color:var(--ink-3);font-family:var(--mono);font-size:7px}
.flow-step b{font-family:var(--mono);font-size:8px;letter-spacing:.02em}
.flow-reality{border-color:rgba(45,122,99,.16);background:rgba(249,255,252,.88)}
.flow-reality .flow-eyebrow{color:var(--green)}
.flow-evidence{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--ink-2);font-size:10px}
.flow-evidence span{color:var(--blue);font-size:16px}
.architecture-cards{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;align-items:stretch}
.arch-card{min-height:240px}
.concept-icon{width:58px;height:58px;margin-top:20px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(73,104,223,.1);border-radius:19px;background:linear-gradient(145deg,#f8faff,#eef2ff);color:var(--blue);font-family:var(--mono);font-size:12px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.65)}
.concept-icon::before{content:attr(data-mark)}
.arch-card b{margin-top:15px}
.deployment-note{display:flex;align-items:center;gap:16px;margin-top:18px;padding:19px 22px;border:1px solid rgba(73,104,223,.1);border-radius:18px;background:rgba(255,255,255,.74)}
.deployment-note b{flex:0 0 auto;color:var(--blue);font-size:11px}
.deployment-note span{color:var(--ink-2);font-size:11px;line-height:1.75}
.usage-timeline{grid-template-columns:repeat(3,minmax(0,1fr))}
.usage-step a{display:inline-flex;margin-top:10px;color:var(--blue);font-family:var(--mono);font-size:9px;text-decoration:none}
.usage-step a:hover{text-decoration:underline}
@media(max-width:1050px){.architecture-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.architecture-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.agency-flow{padding:18px}}
@media(max-width:700px){.architecture-cards{grid-template-columns:1fr}.deployment-note{align-items:flex-start;flex-direction:column;gap:5px}}

@media(max-width:1050px){
  .detail-hero-grid{grid-template-columns:1fr;gap:48px}
  .aios-stack{width:min(680px,100%)}
  .architecture-cards{grid-template-columns:repeat(5,1fr);gap:10px}
  .arch-connector{display:none}
  .semantic-grid{grid-template-columns:repeat(3,1fr)}
  .usage-timeline{grid-template-columns:repeat(2,1fr)}
  .usage-timeline::before{display:none}
}
@media(max-width:820px){
  .split-intro,.detail-section-head{grid-template-columns:1fr;gap:16px}
  .service-grid{grid-template-columns:1fr}
  .principle-card{grid-template-columns:1fr;padding:38px 34px}
  .component-grid{grid-template-columns:1fr}
  .component-card:last-child{grid-column:auto}
  .architecture-cards{grid-template-columns:1fr 1fr}
  .semantic-grid{grid-template-columns:1fr 1fr}
  .repo-links{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .container{width:min(100% - 32px,1180px)}
  .nav-inner{height:66px}
  .nav-links{gap:14px;overflow:auto;white-space:nowrap;scrollbar-width:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{font-size:11px}
  .home-hero{min-height:0;padding:48px 0 68px}
  .hero-stage>.announcement{margin-top:4px}
  .hero-brand{width:64px;height:64px;border-radius:20px}
  .hero-copy h1{font-size:clamp(42px,12vw,58px)}
  .hero-copy>p{font-size:14.5px}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .button{width:100%}
  .hero-canvas{height:430px;border-radius:28px}
  .orbit-1{width:320px;height:250px}
  .orbit-2{width:410px;height:340px}
  .canvas-core{width:150px;height:150px}
  .float-node{min-width:125px;padding:11px 12px 11px 33px}
  .node-world{left:18px;top:45px}
  .node-runtime{right:18px;top:45px}
  .node-edge{left:20px;bottom:52px}
  .node-controller{right:20px;bottom:52px}
  .node-reality{bottom:18px}
  .systems{padding:78px 0 86px}
  .service-card{min-height:390px}
  .principle-band{padding-bottom:78px}
  .footer-inner{grid-template-columns:1fr;gap:17px}
  .footer-links{flex-wrap:wrap}
  .rich-detail-hero{padding:62px 0 72px}
  .detail-title{font-size:clamp(44px,13vw,62px)}
  .detail-actions{display:grid;grid-template-columns:1fr}
  .detail-section{padding:72px 0}
  .architecture-cards{grid-template-columns:1fr}
  .component-card{grid-template-columns:56px 1fr;padding:22px}
  .component-mark{width:52px;height:52px;border-radius:17px}
  .semantic-grid{grid-template-columns:1fr}
  .usage-timeline{grid-template-columns:1fr}
  .usage-step{display:grid;grid-template-columns:58px 1fr;gap:14px}
  .usage-step>span{margin:0}
  .usage-step>div{min-height:0}
  .repo-links{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .service-card,.button,.repo-link{transition:none}
}