:root{
  --bg:#FFFFFF;
  --bg-soft:#F6F8FC;
  --ink:#0E1B33;
  --ink-soft:#5B6B85;
  --ink-dim:#8A97AC;
  --line:#E7EBF3;
  --accent:#2B4BF2;
  --accent-2:#6E7BFF;
  --purple:#7A5BF0;
  --teal:#0EA5A0;
  --radius:20px;
  --shadow-lg:0 1px 2px rgba(16,24,40,.05), 0 24px 60px rgba(20,30,60,.14);
  --shadow-md:0 1px 2px rgba(16,24,40,.04), 0 12px 34px rgba(20,30,60,.10);
  --font:"Noto Sans SC","MiSans","Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

/* ===== Header ===== */
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:19px;letter-spacing:.01em}
.brand .mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--purple))}
.brand .mark svg{width:17px;height:17px}
.nav{display:flex;gap:28px;font-size:15px;color:var(--ink-soft);letter-spacing:.01em}
.nav a{color:inherit}
.nav a.on{color:var(--ink);font-weight:600}
.topbar .cta{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:500;color:#fff;background:var(--accent)}
.topbar .cta svg{width:16px;height:16px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}
.nav-toggle svg{width:20px;height:20px;color:var(--ink)}

/* ===== Buttons ===== */
.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:11px;font-size:15px;font-weight:500;letter-spacing:.01em;white-space:nowrap}
.btn.primary{color:#fff;background:linear-gradient(120deg,var(--accent),var(--purple));box-shadow:0 12px 30px rgba(43,75,242,.26)}
.btn.primary svg{width:16px;height:16px}
.btn.ghost{color:var(--ink);border:1px solid var(--line);background:#fff}

/* ===== Section head ===== */
.sec-head{text-align:center;max-width:640px;margin:0 auto 32px}
.sec-head .k{display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.sec-head h2{font-size:35px;font-weight:600;letter-spacing:.02em;line-height:1.32}
.sec-head p{font-size:16px;color:var(--ink-soft);line-height:1.86;letter-spacing:.02em;margin-top:14px}

/* ===== Page hero (subpages) ===== */
.page-hero{padding:76px 0 56px;text-align:center;position:relative;overflow:hidden}
.page-hero .blob{position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:640px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,123,255,.16),rgba(122,91,240,.07) 48%,transparent 72%);filter:blur(10px);pointer-events:none}
.page-hero .k{display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.page-hero h1{font-size:46px;font-weight:600;letter-spacing:.02em;line-height:1.3;position:relative;z-index:2}
.page-hero p{max-width:620px;margin:18px auto 0;font-size:17px;line-height:1.86;letter-spacing:.02em;color:var(--ink-soft);position:relative;z-index:2}

/* ===== Hero (home) ===== */
.hero{padding:74px 0 66px;overflow:hidden;position:relative}
.hero .blob{position:absolute;top:-120px;right:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,123,255,.18),rgba(122,91,240,.08) 48%,transparent 70%);filter:blur(10px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:0.96fr 1.04fr;gap:44px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:55px;line-height:1.32;font-weight:600;letter-spacing:.02em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:22px 0 0;font-size:18px;line-height:1.86;letter-spacing:.02em;color:var(--ink-soft);max-width:480px}
.hero .actions{margin-top:34px}
.trust{margin-top:30px;display:flex;gap:26px;color:var(--ink-dim);font-size:13px;flex-wrap:wrap}
.trust span{display:flex;align-items:center;gap:7px;white-space:nowrap}
.trust b{color:var(--ink);font-weight:600}
.trust .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* Floating app window */
.stage{position:relative;height:560px}
.stage .halo{position:absolute;inset:8% -4% auto;height:88%;border-radius:40px;
  background:radial-gradient(60% 60% at 50% 40%,rgba(110,123,255,.28),rgba(122,91,240,.10) 55%,transparent 75%);filter:blur(8px);pointer-events:none}
.mock-wrap{position:absolute;left:0;right:0;top:16px;will-change:transform;z-index:3}
.mock{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:#FBFCFE}
.mock-bar .dots{display:flex;gap:6px}
.mock-bar .dots i{width:9px;height:9px;border-radius:50%;background:#E3E7F0}
.mock-bar .dots i.ok{background:#57D0B5}
.mock-bar .t{font-size:13px;font-weight:600;color:var(--ink-soft);margin-left:8px}
.mock-bar .live{margin-left:auto;font-size:11px;font-weight:700;color:var(--teal);background:#E9FBF8;padding:4px 9px;border-radius:999px}
.mock-body{padding:16px}
.mock-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.mcard{border:1px solid var(--line);border-radius:13px;padding:12px 14px;background:var(--bg-soft)}
.mcard .h{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;white-space:nowrap}
.mcard .h .st{margin-left:auto;font-size:12px;font-weight:700;color:var(--teal)}
.mcard .meta{font-size:11px;color:var(--ink-dim);margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcard .count{font-size:10.5px;color:var(--ink-dim);margin-top:8px;white-space:nowrap}
.mock-chart{border:1px solid var(--line);border-radius:13px;padding:14px 14px 12px;background:var(--bg-soft)}
.mock-chart .h{display:flex;justify-content:space-between;font-size:12px;font-weight:600;margin-bottom:10px}
.mock-chart .h .sub{color:var(--ink-dim);font-weight:500}
.mock-chart .bars{display:flex;align-items:flex-end;gap:8px;height:70px}
.mock-chart .bars i{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,var(--accent),rgba(43,75,242,.14))}
.mock-chart .bars i.g{background:linear-gradient(180deg,#2BC0A8,rgba(14,165,160,.14))}
.mock-table{border:1px solid var(--line);border-radius:13px;overflow:hidden}
.mock-table .col,.mock-table .row{display:grid;grid-template-columns:2.1fr 1.4fr 1fr .9fr .7fr;gap:10px;padding:9px 14px;align-items:center}
.mock-table .col{font-size:10.5px;color:var(--ink-dim);background:#FBFCFE}
.mock-table .row{font-size:12px;border-top:1px solid var(--line)}
.mock-table .dev{font-weight:600;font-size:11.5px}
.mock-table .sub{color:var(--ink-dim);font-size:10px}
.mock-table .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--ink-soft)}
.mock-table .st{font-size:11px;font-weight:600;color:var(--teal)}
.float-chip{position:absolute;z-index:4;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);padding:11px 15px;font-size:12px;font-weight:600}
.float-chip .big{font-size:18px;font-weight:700;color:var(--accent)}
.float-chip .lbl{color:var(--ink-dim);font-size:11px;font-weight:500;margin-top:2px}
.chip-1{right:-6px;top:-18px}
.chip-2{left:-10px;bottom:36px}

/* ===== Product bands ===== */
.products{padding:24px 0 20px}
.band{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;padding:56px 0}
.band + .band{border-top:1px solid var(--line)}
.band.rev{grid-template-columns:1.05fr 1fr}
.band.rev .btext{order:2}
.band.rev .bvis{order:1}
.btext .idx{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.btext h3{font-size:29px;font-weight:600;letter-spacing:.02em;line-height:1.34;margin:12px 0 0}
.btext .en{font-size:13px;color:var(--ink-dim);letter-spacing:.04em;margin-top:6px}
.btext p{font-size:16px;line-height:1.88;letter-spacing:.02em;color:var(--ink-soft);margin:18px 0 0;max-width:460px}
.blist{margin-top:24px;display:grid;gap:12px}
.blist .li{display:flex;gap:12px;align-items:flex-start}
.blist .li .ic{flex:none;width:24px;height:24px;border-radius:7px;background:#EAF0FF;display:grid;place-items:center}
.blist .li .ic svg{width:14px;height:14px}
.blist .li .txt{font-size:14px;color:var(--ink-soft);line-height:1.72;letter-spacing:.02em}
.blist .li .txt b{color:var(--ink);font-weight:600}

.panel{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-md);overflow:hidden}
.panel .ph{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:#FBFCFE}
.panel .ph .t{font-size:13px;font-weight:600}
.panel .ph .tag{font-size:11px;font-weight:700;color:var(--accent);background:#EAF0FF;padding:4px 9px;border-radius:999px}
.panel .pc{padding:18px}
.panel.glow::after{content:"";position:absolute;inset:-2px;border-radius:var(--radius);pointer-events:none;box-shadow:0 30px 70px rgba(43,75,242,.14)}
.topology svg{width:100%;height:auto}

.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:stretch}
.flow .node{border:1px solid var(--line);border-radius:14px;padding:16px 14px;text-align:center;background:var(--bg-soft)}
.flow .node .ic{width:34px;height:34px;margin:0 auto 10px;border-radius:10px;display:grid;place-items:center;background:#fff;border:1px solid var(--line)}
.flow .node .ic svg{width:18px;height:18px}
.flow .node h5{font-size:13px;font-weight:700}
.flow .node p{font-size:11px;color:var(--ink-dim);margin-top:6px;line-height:1.5}
.flow .arr{display:grid;place-items:center;color:var(--ink-dim)}
.flow .arr svg{width:20px;height:20px}
.flow-meta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.flow-meta .tag{font-size:11px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);padding:6px 10px;border-radius:999px}

.canvas{position:relative;background:#F8FAFD}
.canvas .cnv{padding:18px;position:relative}
.canvas .rail{position:absolute;left:0;top:0;bottom:0;width:40px;border-right:1px solid var(--line);background:#fff;display:grid;place-items:center}
.canvas .rail svg{width:18px;height:18px;color:var(--ink-dim)}
.agrid{display:grid;grid-template-columns:1fr auto 1.7fr;gap:10px;align-items:center}
.agrid .col{display:grid;gap:10px}
.node2{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.node2:last-child{background:#FBFCFE}
.node2 .h{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700}
.node2 .h svg{width:15px;height:15px}
.node2 .sub{font-size:10.5px;color:var(--ink-dim);margin-top:5px;line-height:1.5}
.node2.agent{border-color:#C9B8FF;background:#F6F3FF;padding:16px}
.node2.agent .h{font-size:13px;color:var(--purple)}
.node2.agent .pill{margin-top:10px;font-size:10.5px;color:var(--purple);background:#EDE6FF;border-radius:6px;padding:5px 8px;display:inline-block}
.agrid .mid{display:grid;place-items:center;gap:8px;width:34px}
.agrid .mid .l{width:2px;height:30px;background:linear-gradient(180deg,var(--accent-2),var(--purple));border-radius:2px}
.agrid .mid .a{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(120deg,var(--accent),var(--purple));color:#fff}
.agrid .mid .a svg{width:15px;height:15px}
.agrid .mid .d{color:var(--ink-dim);font-size:11px}

/* ===== Feature cards (generic) ===== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fcard{border:1px solid var(--line);border-radius:16px;padding:26px 26px 28px;background:var(--bg-soft)}
.fcard .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);margin-bottom:18px}
.fcard .ic svg{width:24px;height:24px}
.fcard h3{font-size:19px;font-weight:600;letter-spacing:.01em}
.fcard p{font-size:14px;color:var(--ink-soft);line-height:1.8;letter-spacing:.02em;margin-top:10px}
.fcard .n{float:right;font-size:12px;color:var(--ink-dim)}

/* ===== Proof band ===== */
.proof{margin:30px 0 40px;padding:40px 38px;border-radius:24px;background:linear-gradient(120deg,#101D3F,#1A2A58);color:#EAF0FF;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcol .v{font-size:42px;font-weight:700;letter-spacing:-.02em}
.pcol .v span{color:#8AA5FF}
.pcol .l{font-size:14px;color:#B9C6E6;margin-top:8px;letter-spacing:.02em}

/* ===== Generic split / deploy ===== */
.split-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}
.split-head h2{font-size:31px;font-weight:600;letter-spacing:.02em;line-height:1.32}
.split-head p{font-size:15px;color:var(--ink-dim);max-width:360px;margin-top:10px;line-height:1.86;letter-spacing:.02em}
.deploy-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.dcol{border:1px solid var(--line);border-radius:18px;padding:28px 30px;background:var(--bg-soft)}
.dcol .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);margin-bottom:18px}
.dcol .ic svg{width:24px;height:24px}
.dcol h3{font-size:20px;font-weight:600}
.dcol p{font-size:14px;color:var(--ink-soft);line-height:1.8;letter-spacing:.02em;margin-top:12px}

/* ===== Case cards ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{border:1px solid var(--line);border-radius:18px;padding:28px 28px 30px;background:#fff;box-shadow:var(--shadow-md)}
.case-card .top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-dim);margin-bottom:18px}
.case-card .top .tag{font-size:11px;font-weight:700;color:var(--accent);background:#EAF0FF;padding:4px 9px;border-radius:999px}
.case-card h3{font-size:20px;font-weight:600;letter-spacing:.01em}
.case-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;letter-spacing:.02em;margin-top:12px}
.case-card .stats{margin-top:20px;display:flex;gap:22px;border-top:1px solid var(--line);padding-top:18px}
.case-card .stats .v{font-size:22px;font-weight:700;color:var(--accent)}
.case-card .stats .l{font-size:12px;color:var(--ink-dim);margin-top:4px}

/* ===== CTA band ===== */
.cta-band{margin:30px 0 44px;padding:46px 40px;border-radius:24px;background:linear-gradient(120deg,#101D3F,#1A2A58);color:#EAF0FF;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:28px;font-weight:600;letter-spacing:.01em}
.cta-band p{font-size:15px;color:#B9C6E6;margin-top:10px;letter-spacing:.02em}
.cta-band .btn{background:#fff;color:#0E1B33;box-shadow:none}
.cta-band .actions{margin-top:18px}
.qr-card{flex:none;width:216px;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 18px 44px rgba(0,0,0,.3)}
.qr-card img{display:block;width:100%;height:auto}

/* ===== Footer ===== */
.foot{padding:30px 0 42px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:var(--ink-dim);font-size:13px;flex-wrap:wrap;gap:14px}
.foot .right{display:flex;gap:22px}
.foot .icp{flex-basis:100%;text-align:center;color:var(--ink-dim);text-decoration:none;transition:color .2s}
.foot .icp:hover{color:var(--accent)}

/* ===== Real product screenshot window ===== */
.appwin{position:relative;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg)}
.appwin .bar{display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px solid var(--line);background:#FBFCFE}
.appwin .bar .dots{display:flex;gap:6px}
.appwin .bar .dots i{width:9px;height:9px;border-radius:50%;background:#E3E7F0}
.appwin .bar .dots i.ok{background:#57D0B5}
.appwin .bar .t{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-left:6px}
.appwin .bar .live{margin-left:auto;font-size:11px;font-weight:700;color:var(--teal);background:#E9FBF8;padding:4px 9px;border-radius:999px}
.appwin img{display:block;width:100%;height:auto}
.stage .appwin img{height:352px;object-fit:cover;object-position:center}
.appwin .cap{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.9);backdrop-filter:blur(4px);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:600;color:var(--ink)}
.shot-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.shot-grid .appwin{margin:0}

/* ===== Responsive ===== */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .stage{height:440px}
  .band,.band.rev{grid-template-columns:1fr;gap:28px}
  .band.rev .btext{order:1}
  .band.rev .bvis{order:2}
  .feat-grid,.case-grid{grid-template-columns:1fr}
  .deploy-grid{grid-template-columns:1fr}
  .proof{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr;gap:10px}
  .flow .arr{transform:rotate(90deg)}
  .agrid{grid-template-columns:1fr}
  .agrid .mid{width:auto;flex-direction:row}
  .split-head{flex-direction:column;align-items:flex-start;gap:12px}
  .nav{display:none}
  .nav.open{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);padding:18px 32px}
  .nav-toggle{display:inline-flex}
  .shot-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .hero h1{font-size:38px}
  .page-hero h1{font-size:34px}
  .sec-head h2,.btext h3{font-size:26px}
  .proof{grid-template-columns:1fr 1fr;gap:20px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .qr-card{width:192px}
}
@media (prefers-reduced-motion:reduce){
  .mock-wrap{transform:none!important}
}