:root{
  --bg: #f6f8fb;
  --bg2: #ffffff;
  --bg3: #edf2f6;
  --ink: #152333;
  --body: #425264;
  --muted: #68788a;
  --line: rgba(21,35,51,.14);
  --line-soft: rgba(21,35,51,.08);
  --sig: #bd7b16;
  --teal: #147d83;
  --ok: #16845e;
  --red: #c55448;
  --on-sig: #ffffff;

  --maxw:1180px; --pad:clamp(1.1rem,4vw,3rem); --z-nav:100;
  --font:"Archivo",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:clamp(15px,1.05vw,17px);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-synthesis:none}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-0.034em;line-height:1.03;text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.02em}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
:focus-visible{outline:2px solid var(--sig);outline-offset:3px;border-radius:3px}

.nav{position:sticky;top:0;z-index:var(--z-nav);background:rgba(246,248,251,.86);backdrop-filter:saturate(1.3) blur(9px);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;gap:1.4rem;height:64px}
.brand{font-family:var(--mono);font-weight:800;letter-spacing:-0.03em;font-size:1.12rem}
.brand small{font-size:.6rem;letter-spacing:.14em;color:var(--sig);text-transform:uppercase;margin-left:.32rem}
.nav-links{display:flex;gap:1.3rem;margin-left:1rem;font-family:var(--mono);font-size:.84rem;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:.7rem;margin-left:auto}
.langtog{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;border:1px solid var(--line);background:transparent;color:var(--muted);padding:.35rem .55rem;border-radius:6px;cursor:pointer}
.langtog b{color:var(--sig)}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:transparent;font-weight:600;font-size:.9rem;padding:.6rem 1.05rem;border-radius:7px;cursor:pointer;border:1px solid transparent;transition:transform .25s cubic-bezier(.2,.8,.2,1),background .2s,box-shadow .25s}
.btn-sig{background:var(--sig);color:var(--on-sig);font-family:var(--mono);box-shadow:0 8px 22px -12px var(--sig)}
.btn-sig:hover{transform:translateY(-1px);box-shadow:0 14px 30px -12px var(--sig)}
.btn-ghost{border-color:var(--line);color:var(--ink);font-family:var(--mono);font-size:.86rem}
.btn-ghost:hover{background:var(--bg2)}
@media(max-width:880px){.nav-links{display:none}}

.hero{padding-top:clamp(2.4rem,6vw,5rem);padding-bottom:clamp(2rem,5vw,3.4rem);background:radial-gradient(120% 90% at 82% -10%,rgba(189,123,22,.08),transparent 55%)}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.03em;color:var(--muted);margin-bottom:1.5rem;display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.eyebrow b{color:var(--sig)}
.hgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:center}
@media(max-width:880px){.hgrid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(3rem,7.4vw,5.6rem);max-width:12ch;letter-spacing:-0.04em}
.hero h1 .em{color:var(--sig)}
.lede{margin-top:1.5rem;max-width:52ch;font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--body);line-height:1.5}
.hero-cta{margin-top:2rem;display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.linkarrow{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--mono);font-weight:600;font-size:.86rem;padding:.6rem .3rem;border-bottom:1.5px solid var(--ink)}
.linkarrow:hover{color:var(--sig);border-color:var(--sig)}

.term{background:#152333;border:1px solid #2c4052;border-radius:12px;overflow:hidden;box-shadow:0 34px 64px -34px rgba(21,35,51,.28);color:#edf4fa}
.tbar{display:flex;align-items:center;gap:.5rem;padding:.6rem .8rem;border-bottom:1px solid rgba(237,244,250,.14);font-family:var(--mono);font-size:.7rem;color:#9aabbb}
.tbar i{width:9px;height:9px;border-radius:50%;background:oklch(0.4 0.02 264)}
.tbar .t{margin-left:.4rem}
.tbar .stream{margin-left:auto;color:var(--ok)}
.tape{font-family:var(--mono);font-size:.76rem;line-height:1.95;padding:.85rem 1rem;height:300px;overflow:hidden}
.tape .ln{white-space:nowrap;opacity:0;animation:fade .4s forwards}
.tape .ln .c{color:#9aabbb}.tape .ln .m{color:#edf4fa}.tape .ln .ok{color:#65c89d}.tape .ln .s{color:#f0bd60}.tape .ln .a{color:#6fd0d0}
@keyframes fade{to{opacity:1}}
@media(prefers-reduced-motion:reduce){.tape .ln{opacity:1;animation:none}}

section{padding-block:clamp(3.2rem,7vw,5.8rem)}
.kicker{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--sig);text-transform:uppercase}
.kicker.teal{color:var(--teal)}
.h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-top:.8rem;max-width:20ch}
.h2 .em{color:var(--sig)}
.sub{margin-top:1rem;max-width:60ch;color:var(--body);font-size:1.05rem}
.band{background:var(--bg2);border-block:1px solid var(--line-soft)}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3.2rem);align-items:center}
@media(max-width:840px){.split{grid-template-columns:1fr}}
.feat{margin-top:1.8rem;display:flex;flex-direction:column;gap:1.05rem;padding:0}
.feat li{list-style:none;display:grid;grid-template-columns:auto 1fr;gap:.85rem;align-items:start}
.feat .ix{font-family:var(--mono);font-size:.7rem;color:var(--sig);border:1px solid var(--line);border-radius:6px;padding:.28rem .42rem;margin-top:.15rem}
.feat h4{margin:0;font-size:1.02rem;font-weight:700}
.feat p{color:var(--muted);font-size:.94rem;margin-top:.15rem}
.code{background:var(--bg3);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;font-family:var(--mono);font-size:.8rem;line-height:1.8;overflow:auto;box-shadow:0 30px 60px -34px #000}
.code .top{display:flex;gap:.4rem;margin-bottom:.85rem}
.code .top i{width:10px;height:10px;border-radius:50%;background:oklch(0.4 0.02 264);display:inline-block}
.code .cm{color:var(--muted)} .code .k{color:var(--sig)} .code .s{color:var(--ok)}

.matrix{margin-top:2.3rem;border-top:1px solid var(--line)}
.mrow{display:grid;grid-template-columns:minmax(150px,.5fr) 1fr auto;gap:1rem;align-items:baseline;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.mrow .cat{font-weight:700;font-size:1.05rem}
.mrow .cat span{display:block;font-family:var(--mono);font-size:.66rem;color:var(--sig);font-weight:500;letter-spacing:.05em;margin-bottom:.25rem}
.chips{display:flex;flex-wrap:wrap;gap:.45rem}
.chip{font-family:var(--mono);font-size:.74rem;color:var(--body);background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:.26rem .6rem}
.mrow .proto{font-family:var(--mono);font-size:.72rem;color:var(--muted);white-space:nowrap}
@media(max-width:720px){.mrow{grid-template-columns:1fr;gap:.6rem}}

/* who-for cards */
.who{margin-top:2.2rem;display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:720px){.who{grid-template-columns:1fr}}
.who-card{border:1px solid var(--line);border-radius:12px;padding:1.4rem 1.5rem;background:var(--bg)}
.who-card.hi{border-color:oklch(0.82 0.16 78 / .5);background:oklch(0.82 0.16 78 / .045)}
.who-card .wt{font-family:var(--mono);font-size:.8rem;color:var(--sig);margin-bottom:.6rem;font-weight:500}
.who-card p{color:var(--body);font-size:.98rem;line-height:1.55}
.who-card p b{color:var(--ink)}

.cmpwrap{margin-top:2rem;overflow:auto;border:1px solid var(--line);border-radius:12px}
.cmp{width:100%;border-collapse:collapse;font-size:.94rem;min-width:560px}
.cmp th,.cmp td{text-align:left;padding:.9rem 1.1rem;border-bottom:1px solid var(--line);vertical-align:top}
.cmp tr:last-child td{border-bottom:0}
.cmp thead th{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--muted);font-weight:500;text-transform:uppercase;background:var(--bg2)}
.cmp .dim td:nth-child(1){color:var(--body);font-weight:600}
.cmp td:nth-child(2){color:var(--muted)}
.cmp th:nth-child(3),.cmp td:nth-child(3){background:oklch(0.82 0.16 78 / .06)}
.cmp thead th:nth-child(3){color:var(--sig)}
.cmp td:nth-child(3){color:var(--ink)}

.caps{margin-top:2.3rem;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.caps{grid-template-columns:1fr}}
.cap{padding:1.5rem 1.3rem 1.6rem;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
@media(max-width:820px){.cap{border-right:0}}
.cap .ic{font-size:1.5rem;line-height:1}
.cap h4{margin:.7rem 0 .4rem;font-size:1.12rem;font-weight:700}
.cap p{color:var(--muted);font-size:.92rem;line-height:1.55}
.mini-doc{display:inline-flex;margin-top:.9rem;font-family:var(--mono);font-size:.76rem;font-weight:600;color:var(--sig)}
.mini-doc:hover{color:var(--teal)}
.doc-link,.doc-links a{display:inline-flex;margin-top:1.15rem;font-family:var(--mono);font-size:.82rem;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.doc-link:hover,.doc-links a:hover{color:var(--sig);border-color:var(--sig)}
.doc-links{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem}
.tfhi{margin-top:1.9rem;display:flex;flex-wrap:wrap;gap:.7rem 1.6rem;font-family:var(--mono);font-size:.82rem;color:var(--teal)}
.tfhi span::before{content:"▸ ";color:var(--teal)}
.asset{margin-top:2.6rem;border:1px solid var(--line);border-radius:14px;padding:clamp(1.4rem,3vw,1.9rem);background:radial-gradient(120% 100% at 100% 0%,oklch(0.82 0.16 78 / .05),transparent 60%),var(--bg)}
.asset .at,.budget .at,.sec .at{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--sig)}
.sec .at{color:var(--teal)}
.asset .ah,.budget .ah,.sec .ah{margin-top:.5rem;font-size:clamp(1.2rem,2.2vw,1.5rem);font-weight:700;letter-spacing:-0.02em}
.aflow{margin-top:1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
@media(max-width:720px){.aflow{grid-template-columns:1fr 1fr}}
.astep{border-top:2px solid var(--line);padding-top:.85rem}
.astep.hi{border-top-color:var(--sig)}
.astep .n{font-family:var(--mono);font-size:.7rem;color:var(--sig)}
.astep h5{margin:.35rem 0 .3rem;font-size:1.02rem;font-weight:700}
.astep p{color:var(--muted);font-size:.86rem;line-height:1.5}
.acall{margin-top:1.5rem;padding-top:1.2rem;border-top:1px solid var(--line);color:var(--body);font-size:1rem;line-height:1.55}
.acall b{color:var(--sig);font-weight:600}
.tfnote{margin-top:1.3rem;font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.budget{margin-top:2.6rem;border:1px solid var(--line);border-radius:14px;padding:clamp(1.4rem,3vw,1.9rem);background:radial-gradient(120% 100% at 0% 0%,oklch(0.82 0.16 78 / .05),transparent 60%),var(--bg)}
.bpanel{margin-top:1.4rem;background:var(--bg2);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.bphead{display:flex;align-items:center;gap:.5rem;padding:.6rem .9rem;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.bphead .spent{margin-left:auto;color:var(--ink)}
.brow{display:grid;grid-template-columns:5.5rem 1fr 6.5rem;gap:.9rem;align-items:center;padding:.7rem .9rem;border-bottom:1px solid var(--line-soft)}
.brow:last-child{border-bottom:0}
.brow .blab{font-family:var(--mono);font-size:.8rem;color:var(--ink)}
.btrack{position:relative;height:9px;background:var(--bg);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.bfill{position:absolute;left:0;top:0;bottom:0;border-radius:6px}
.bfill.ok{background:var(--teal)} .bfill.warn{background:var(--sig)} .bfill.over{background:var(--red)}
.bmark{position:absolute;top:-3px;bottom:-3px;left:80%;width:1px;background:oklch(0.82 0.16 78 / .55)}
.bstat{font-family:var(--mono);font-size:.74rem;text-align:right;white-space:nowrap}
.bstat .ok{color:var(--teal)} .bstat .warn{color:var(--sig)} .bstat .over{color:var(--red)}
.battr{margin-top:1.4rem;display:flex;flex-wrap:wrap;gap:.5rem .6rem;align-items:center}
.battr .lbl{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-right:.2rem}
.battr .tag{font-family:var(--mono);font-size:.74rem;color:var(--body);background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:.24rem .6rem}
@media(max-width:560px){.brow{grid-template-columns:4.5rem 1fr;grid-template-areas:"l b" "l s"}.brow .bstat{grid-area:s;text-align:left}}
.sec{margin-top:2.6rem;border:1px solid var(--line);border-radius:14px;padding:clamp(1.4rem,3vw,1.9rem);background:radial-gradient(120% 100% at 100% 100%,oklch(0.76 0.1 178 / .05),transparent 60%),var(--bg)}
.secladder{margin-top:1.4rem;display:flex;flex-direction:column;gap:.7rem}
.secrow{display:grid;grid-template-columns:2.2rem 1fr;gap:.9rem;align-items:start;padding:.9rem 1.05rem;border:1px solid var(--line);border-radius:10px;background:var(--bg2)}
.secrow.l3{border-color:oklch(0.76 0.1 178 / .5);background:oklch(0.76 0.1 178 / .05)}
.secrow .lv{font-family:var(--mono);font-weight:700;font-size:.92rem;color:var(--muted)}
.secrow.l3 .lv{color:var(--teal)}
.secrow h5{margin:0 0 .25rem;font-size:1.02rem;font-weight:700}
.secrow p{color:var(--muted);font-size:.88rem;line-height:1.5}

.final{text-align:center}
.final h2{font-size:clamp(2rem,5vw,3.4rem);max-width:18ch;margin-inline:auto}
.final .hero-cta{justify-content:center}

footer{background:var(--bg2);border-top:1px solid var(--line);padding-block:clamp(2.4rem,5vw,3.4rem)}
.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:1.6rem}
.foot h5{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .9rem;font-weight:500}
.foot a{display:block;color:var(--body);font-size:.92rem;padding:.22rem 0}
.foot a:hover{color:var(--sig)}
.foot .col p{color:var(--muted);font-size:.86rem;max-width:30ch;margin-top:.6rem}
.legal{margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.78rem;color:var(--muted);font-family:var(--mono)}
@media(max-width:720px){.foot{grid-template-columns:1fr 1fr}}

@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(14px);animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards}
  .reveal.d1{animation-delay:.06s}.reveal.d2{animation-delay:.13s}.reveal.d3{animation-delay:.2s}.reveal.d4{animation-delay:.27s}
  @keyframes rise{to{opacity:1;transform:none}}
}

/* ============ multi-page nav ============ */
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";display:block;height:2px;background:var(--sig);margin-top:3px;border-radius:2px}
.nav-prod{display:flex;gap:.3rem;align-items:center}
.nav-prod .sep{color:var(--line);}

/* ============ scroll reveal (JS-armed; default visible) ============ */
.io-armed{opacity:0;transform:translateY(18px)}
.io-armed.in{opacity:1;transform:none;transition:opacity .7s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.bfill{transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.secladder .secrow{transition:opacity .5s ease,transform .5s ease}
.sec.io-armed .secrow{opacity:0;transform:translateX(-12px)}
.sec.io-armed.in .secrow{opacity:1;transform:none}
.sec.io-armed.in .secrow:nth-child(2){transition-delay:.16s}
.sec.io-armed.in .secrow:nth-child(3){transition-delay:.32s}

/* ============ converging hero (多源收口) ============ */
.converge{position:relative;border:1px solid var(--line);border-radius:14px;background:linear-gradient(oklch(0.205 0.016 264 / .6),oklch(0.205 0.016 264 / .2));overflow:hidden}
.converge .chead{display:flex;justify-content:space-between;padding:.6rem .9rem;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.converge .chead .on{color:var(--ok)}
.converge svg{display:block;width:100%;height:auto}
.converge .edge{stroke:oklch(0.93 0.012 250 / .22);fill:none;stroke-width:1.4}
.converge .flow{fill:none;stroke-width:2;stroke-dasharray:5 8;animation:cdash 1.3s linear infinite}
.converge .flow.warm{stroke:var(--sig)} .converge .flow.cool{stroke:var(--teal)}
@keyframes cdash{to{stroke-dashoffset:-26}}
.converge .nlbl{font-family:"Geist Mono",monospace;font-size:12.5px;fill:var(--muted)}
.converge .hub{fill:var(--bg3);stroke:var(--sig)}
.converge .hublbl{font-family:"Archivo",sans-serif;font-weight:800;font-size:18px;fill:var(--ink);letter-spacing:-0.02em}
.converge .node{fill:var(--bg);stroke:oklch(0.93 0.012 250 / .4)}
.converge .out{fill:var(--bg);stroke:var(--teal)}
@media(prefers-reduced-motion:reduce){.converge .flow{animation:none}}

/* ============ data filter scene ============ */
.dlp{font-family:var(--mono);font-size:.86rem;line-height:2.1;background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem}
.dlp .row{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dlp .pii{position:relative;color:var(--bg3);background:var(--sig);border-radius:3px;padding:0 .15rem;animation:redact 4s ease-in-out infinite}
.dlp .pii.r2{animation-delay:1.2s} .dlp .pii.r3{animation-delay:2.1s}
@keyframes redact{0%,18%{color:var(--ink);background:transparent}24%,40%{color:var(--on-sig);background:var(--sig)}46%,100%{color:transparent;background:var(--muted)}}
.dlp .ok{color:var(--ok)}
@media(prefers-reduced-motion:reduce){.dlp .pii{animation:none;color:transparent;background:var(--muted)}}

/* hero on product pages: single column when needed */
.phero{padding-top:clamp(2.2rem,5vw,4rem)}
.backlink{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.backlink:hover{color:var(--sig)}

/* who-card link */
.who-card{display:flex;flex-direction:column}
.who-card .go{margin-top:1rem;font-family:var(--mono);font-weight:600;font-size:.84rem;color:var(--ink)}
.who-card.hi .go,.who-card .go:hover{color:var(--sig)}

/* ============ nav products dropdown ============ */
.navmenu{position:relative;display:flex;align-items:center;height:100%}
.navmenu .caret{margin-left:.4rem;color:var(--muted);font-size:.66rem;transition:transform .2s,color .2s;cursor:default}
.navmenu:hover .caret,.navmenu:focus-within .caret{color:var(--sig);transform:translateY(2px)}
.dropdown{position:absolute;top:100%;left:-.6rem;min-width:300px;background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:.45rem;box-shadow:0 26px 52px -28px #000;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:200}
.navmenu:hover .dropdown,.navmenu:focus-within .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:.62rem .7rem;border-radius:8px;color:var(--body);font-family:var(--font);font-size:.9rem}
.dropdown a b{display:block;font-weight:600;color:var(--ink);font-size:.94rem}
.dropdown a small{display:block;color:var(--muted);font-size:.76rem;margin-top:.12rem;font-family:var(--mono)}
.dropdown a:hover{background:var(--bg3)} .dropdown a:hover b{color:var(--sig)}
.dropdown a.cur{background:var(--bg3)} .dropdown a.cur b{color:var(--sig)}

/* ============ brand manifesto hero ============ */
.brandhero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:min(88vh,780px);padding-block:clamp(3rem,7vw,5.7rem);background:radial-gradient(75% 60% at 76% 24%,rgba(189,123,22,.07),transparent 60%)}
.stage{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.18}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(460px,.7fr) minmax(760px,1.3fr);gap:clamp(2rem,4vw,4rem);align-items:center}
.brandhero .heroinner{position:relative;z-index:1;max-width:620px}
.brandhero .overline{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em;color:var(--sig);margin-bottom:1.3rem}
.mega{font-size:clamp(3rem,5.3vw,4.4rem);font-weight:800;letter-spacing:-0.03em;line-height:.99;text-wrap:balance}
.mega .em{display:block;margin-top:.48em;font-size:.36em;line-height:1.12;letter-spacing:-.02em;color:var(--sig);white-space:nowrap}
.lead-big .em{color:var(--sig)}
.brandhero .wrap{max-width:1480px}
.lead-big{margin-top:1.85rem;font-size:clamp(1.75rem,3.7vw,3.45rem);font-weight:700;letter-spacing:-0.035em;color:var(--ink);line-height:1.08;max-width:15ch}
.brandhero .lede{margin-top:1.05rem;max-width:46ch}
.brandhero .hero-cta{margin-top:2.05rem}

.hero-proof{grid-column:1/-1;grid-row:2;margin-top:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0;font-family:var(--font);color:var(--ink)}
.hero-proof>div{display:grid;grid-template-columns:auto 1fr;column-gap:.55rem;align-items:center;padding-right:1rem;border-right:1px solid var(--line)}
.hero-proof>div+div{padding-left:1rem}
.hero-proof>div:last-child{border-right:0;padding-right:0}
.proof-icon{grid-row:1 / span 2;width:1.45rem;height:1.45rem;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hero-proof b{font-size:.78rem;font-weight:700;white-space:nowrap}
.hero-proof small{font-size:.65rem;color:var(--muted);line-height:1.35;white-space:nowrap}

.icon-sprite{position:absolute;overflow:hidden}
.flow-visual{position:relative;grid-column:2;grid-row:1;display:grid;grid-template-columns:170px minmax(410px,1fr) 170px;align-items:center;column-gap:60px;min-width:0;margin-top:clamp(2.8rem,5vw,5rem)}
.flow-connectors{position:absolute;inset:0;width:100%;height:100%;z-index:0;overflow:visible}
.flow-connectors .connector-input>path,.flow-connectors .connector-output>path{fill:none;stroke-width:2.7;stroke-dasharray:10 9;stroke-linecap:round;stroke-linejoin:round}
.flow-connectors marker path{stroke:none}.flow-connectors #arrow-input path{fill:#4f86bd}.flow-connectors #arrow-output path{fill:#24b6a7}
.connector-input path{stroke:#4f86bd}.connector-output path{stroke:#24b6a7}
.connector-dots circle{stroke-width:1.5}.connector-input-dots circle{fill:#4f86bd;stroke:#fff}.connector-output-dots circle{fill:#24b6a7;stroke:#fff}
.flow-column{position:relative;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:13px;padding:.78rem .62rem;box-shadow:0 20px 38px -28px rgba(21,35,51,.36);z-index:2}
.flow-column h3{text-align:center;font-size:.9rem;font-weight:700;margin:.05rem 0 .82rem;letter-spacing:-.02em}
.flow-input h3{color:var(--ink)}.flow-output h3{color:var(--ink)}
.flow-item{position:relative;z-index:1;min-height:72px;padding:.62rem .5rem .56rem 2.28rem;border:1px solid var(--line-soft);border-radius:10px;background:rgba(255,255,255,.74)}
.flow-item+.flow-item{margin-top:.48rem}
.flow-item:hover{border-color:rgba(20,125,131,.35);box-shadow:0 10px 20px -18px rgba(20,125,131,.9);color:var(--ink)}
.flow-item b{display:block;font-size:.86rem;line-height:1.25;font-weight:700;white-space:nowrap}
.flow-item small{display:block;margin-top:.2rem;color:var(--muted);font-size:.64rem;line-height:1.35;white-space:nowrap}
.flow-glyph{position:absolute;left:.6rem;top:.72rem;width:1.25rem;height:1.25rem;fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.flow-output .flow-glyph{stroke:var(--teal)}
.flow-column::after{display:none}
.flow-input::after{right:-76px;transform:translateY(-50%);background:repeating-linear-gradient(90deg,rgba(21,35,51,.44) 0 5px,transparent 5px 10px);mask:linear-gradient(180deg,transparent 0 20%,#000 20% 23%,transparent 23% 48%,#000 48% 51%,transparent 51% 77%,#000 77% 80%,transparent 80%)}
.flow-output::after{left:-76px;transform:translateY(-50%);background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(20,125,131,.68) 5px 10px);mask:linear-gradient(180deg,transparent 0 20%,#000 20% 23%,transparent 23% 48%,#000 48% 51%,transparent 51% 77%,#000 77% 80%,transparent 80%)}
.flow-center{position:relative;z-index:3;margin-inline:-1px;padding:0 0 .7rem;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:12px;box-shadow:0 24px 46px -31px rgba(21,35,51,.4);overflow:hidden}
.flow-center-head{padding:1rem .7rem .9rem;background:#152333;color:#edf4fa;text-align:center;border-radius:11px 11px 0 0}
.flow-mark{display:inline-flex;align-items:center;justify-content:center;width:25px;height:25px;margin-right:.35rem;border:2px solid #f0bd60;border-radius:8px;color:#f0bd60;font-family:var(--mono);font-size:1.1rem;vertical-align:-.25rem}
.flow-center-head strong{font-size:1.15rem;letter-spacing:-.03em}.flow-center-head small{display:block;margin-top:.28rem;color:#b4c4d1;font-size:.62rem}
.flow-hub-body{padding:1.15rem 1.05rem;text-align:center}
.flow-hub-body p{margin:0 auto;color:var(--body);font-size:.9rem;line-height:1.55;max-width:22ch}
.flow-modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.48rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line)}
.flow-modules>a{min-width:0;padding:.58rem .45rem;border:1px solid var(--line-soft);border-radius:9px;background:rgba(255,255,255,.7)}
.flow-modules>a:hover{border-color:rgba(20,125,131,.36);box-shadow:0 10px 22px -18px rgba(20,125,131,.9);color:var(--ink)}
.flow-modules b{display:block;font-size:.68rem;line-height:1.25;white-space:nowrap}
.flow-modules small{display:block;margin-top:.18rem;color:var(--muted);font-size:.53rem;line-height:1.25;white-space:nowrap}
.flow-capabilities{display:grid;grid-template-columns:repeat(4,1fr);margin:0 .88rem;border-bottom:1px solid var(--line);padding:1rem 0 .92rem}
.flow-capabilities>div{min-width:0;text-align:center;padding:0 .35rem;border-right:1px solid var(--line)}
.flow-capabilities>div:last-child{border-right:0}
.flow-cap-icon{display:block;width:1.38rem;height:1.38rem;margin:0 auto .3rem;fill:none;stroke:var(--ink);stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.flow-capabilities b{display:block;font-size:.69rem;line-height:1.25;white-space:nowrap}.flow-capabilities small{display:block;margin-top:.3rem;color:var(--muted);font-size:.55rem;line-height:1.3;white-space:nowrap}
.flow-asset{display:flex;align-items:center;justify-content:center;gap:.4rem;margin:.8rem .88rem 0;padding:.68rem .4rem;border:1px solid rgba(20,125,131,.18);border-radius:8px;background:rgba(20,125,131,.035);color:var(--teal)}
.flow-asset-icon{width:1rem;height:1rem;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.flow-asset b{font-size:.67rem;white-space:nowrap}.flow-asset small{color:var(--muted);font-size:.55rem;white-space:nowrap}
@media(max-width:1400px){.hero-grid{grid-template-columns:minmax(380px,.72fr) minmax(0,1.28fr);gap:2rem}.mega{font-size:clamp(2.5rem,4.2vw,3.4rem)}.flow-visual{grid-template-columns:142px minmax(360px,1fr) 142px;column-gap:28px}.lead-big{font-size:clamp(1.65rem,3.3vw,2.9rem)}}
@media(max-width:1100px){.hero-grid{grid-template-columns:minmax(0,.8fr) minmax(560px,1.2fr);gap:2rem}.flow-visual{grid-template-columns:128px minmax(280px,1fr) 128px;column-gap:0}.flow-item{padding-left:1.9rem}.flow-item b{font-size:.7rem}.flow-item small{font-size:.52rem}}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:2.8rem}.brandhero .heroinner{max-width:680px}.hero-proof{grid-column:auto;grid-row:auto;margin-top:-1rem}.flow-visual{grid-column:auto;grid-row:auto;max-width:720px;column-gap:0;margin-top:0}.flow-connectors{display:none}}
@media(max-width:640px){.mega{font-size:clamp(2.65rem,13vw,4.5rem)}.lead-big{font-size:1.45rem}.hero-proof{grid-template-columns:repeat(3,1fr);gap:.35rem;row-gap:1rem}.hero-proof>div{padding-right:.45rem}.hero-proof>div+div{padding-left:.45rem}.hero-proof b{font-size:.67rem}.hero-proof small{font-size:.54rem}.flow-visual{grid-template-columns:1fr;gap:.8rem}.flow-column::after{display:none}.flow-center{order:2}.flow-input{order:1}.flow-output{order:3}.flow-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.4rem;padding:.7rem}.flow-column h3{grid-column:1/-1;margin-bottom:.1rem}.flow-item{min-height:64px;padding:.58rem .25rem .5rem 1.75rem}.flow-item+.flow-item{margin-top:0}.flow-glyph{left:.4rem;top:.65rem;width:1.05rem;height:1.05rem}.flow-item b{font-size:.68rem}.flow-item small{font-size:.5rem}.flow-capabilities{grid-template-columns:repeat(2,1fr);gap:.65rem 0}.flow-capabilities>div:nth-child(2){border-right:0}.flow-capabilities>div:nth-child(3),.flow-capabilities>div:nth-child(4){padding-top:.65rem;border-top:1px solid var(--line)}.flow-asset{flex-wrap:wrap}.flow-asset small{flex-basis:100%;text-align:center}}

/* ============ concise routing surface ============ */
.route-panel{margin-top:2.2rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--line)}
.route-step{position:relative;min-height:118px;background:#fff;padding:1.05rem 1rem;display:flex;flex-direction:column;justify-content:space-between}
.route-step:not(:last-child)::after{content:"";position:absolute;right:-10px;top:50%;width:18px;height:18px;border-top:2px solid var(--sig);border-right:2px solid var(--sig);transform:translateY(-50%) rotate(45deg);z-index:2;background:#fff}
.route-step span{font-family:var(--mono);font-size:.72rem;color:var(--sig)}
.route-step b{font-size:1rem;line-height:1.35;letter-spacing:-.01em}
.route-note{margin-top:1rem;border:1px solid rgba(20,125,131,.22);border-radius:12px;background:rgba(20,125,131,.05);padding:.95rem 1.05rem;color:var(--body);line-height:1.55}
.route-note b{color:var(--teal)}
@media(max-width:820px){.route-panel{grid-template-columns:1fr}.route-step{min-height:auto;gap:.75rem}.route-step:not(:last-child)::after{right:auto;left:1.1rem;top:auto;bottom:-10px;transform:rotate(135deg)}}

/* light-first product surface: dark panels are reserved for runtime proof */
.converge .edge{stroke:rgba(21,35,51,.25)}
.converge .node{fill:var(--bg);stroke:rgba(21,35,51,.42)}
.converge .hub{fill:#fff;stroke:var(--sig)}
.converge .hublbl{font-size:15px}
.converge .zone{fill:rgba(20,125,131,.045);stroke:var(--teal)}
.code{background:#152333;color:#edf4fa;border-color:#2c4052;box-shadow:0 24px 52px -30px rgba(21,35,51,.34)}
.code .cm{color:#9aabbb}.code .k{color:#f0bd60}.code .s{color:#65c89d}
.band{background:#fff;border-color:var(--line-soft)}
.final.band{background:#eef3f6}

/* ============ anchor offset (sticky nav) ============ */
section[id]{scroll-margin-top:84px}

/* ============ mobile hamburger ============ */
.burger{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:7px;padding:.34rem .56rem;font-size:1.05rem;line-height:1;cursor:pointer}
@media(max-width:880px){
  .burger{display:inline-flex;align-items:center}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;margin:0;padding:.4rem var(--pad) 1.1rem}
  .nav.open .nav-links{display:flex}
  .nav-links > a,.nav-prod a{padding:.78rem .2rem;border-bottom:1px solid var(--line-soft);font-size:1rem;color:var(--ink)}
  .navmenu{display:block;height:auto}
  .navmenu .caret,.navmenu .dropdown{display:none}
  .nav-prod{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .nav-prod .sep{display:none}
}

@media(max-width:880px){.hide-sm{display:none}}

/* converge: company-internal zone + function labels */
.converge .zone{fill:oklch(0.76 0.1 178 / .03);stroke:var(--teal);stroke-dasharray:5 6;stroke-width:1.2;opacity:.6}
.converge .zlbl{font-family:"Geist Mono",monospace;font-size:11px;fill:var(--teal);letter-spacing:.12em}
.converge .fn{font-family:"Geist Mono",monospace;font-size:12px;fill:var(--muted)}

/* ============ 让滚动动画更"有播出感" ============ */
/* 预算条逐根错峰填充 */
.bpanel .brow:nth-child(3) .bfill{transition-delay:.14s}
.bpanel .brow:nth-child(4) .bfill{transition-delay:.28s}
.bpanel .brow:nth-child(5) .bfill{transition-delay:.42s}
/* 三级安全 L3 进场点亮发光 */
.sec.io-armed.in .secrow.l3{animation:l3glow 1.3s ease .45s 1}
@keyframes l3glow{0%{box-shadow:0 0 0 0 oklch(0.76 0.1 178 / 0)}35%{box-shadow:0 0 0 4px oklch(0.76 0.1 178 / .3)}100%{box-shadow:0 0 0 10px oklch(0.76 0.1 178 / 0)}}
/* 收口图进场:节点轻微放大淡入 */
.converge.io-armed .node,.converge.io-armed .hub{opacity:0}
.converge.io-armed.in .node,.converge.io-armed.in .hub{opacity:1;transition:opacity .6s ease}

/* ============ readable routing diagram ============ */
.converge{background:#edf2f6;border-color:rgba(21,35,51,.18)}
.converge .chead{background:#fff;color:var(--body);border-bottom-color:rgba(21,35,51,.12)}
.converge .chead .on{font-weight:600}
.converge .edge{stroke:rgba(21,35,51,.34);stroke-width:1.8}
.converge .flow{stroke-width:2.4}
.converge .nlbl{font-size:14px;fill:var(--body);font-weight:500}
.converge .side-title{font-family:var(--mono);font-size:11px;letter-spacing:.1em;fill:var(--muted);text-transform:uppercase}
.converge .fn{font-size:14px;fill:var(--body);font-weight:500}
.converge .node{fill:#fff;stroke:rgba(21,35,51,.5);stroke-width:1.5}
.converge .hub{fill:#fff;stroke:var(--sig);stroke-width:2}
.converge .hublbl{font-size:16px}
.converge.io-armed,.converge.io-armed.in{opacity:1}
.converge.io-armed .node,.converge.io-armed .hub,
.converge.io-armed.in .node,.converge.io-armed.in .hub{opacity:1;transition:none}