.hummingbird-symbolism{
  position:relative;padding:128px 0 136px;overflow:hidden;background:#F3EFE7;color:#17191D;
  border-top:1px solid rgba(23,25,29,.08);border-bottom:1px solid rgba(23,25,29,.08)
}
.hummingbird-symbolism:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 13% 20%,rgba(53,89,199,.08),transparent 26%),radial-gradient(circle at 88% 72%,rgba(215,94,154,.06),transparent 24%)
}
.symbol-intro{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.55fr);gap:8vw;align-items:end;margin-bottom:64px}
.symbol-intro .kicker{font:600 .68rem var(--font-mono);letter-spacing:.17em;color:var(--violet);text-transform:uppercase}
.symbol-intro h2{max-width:790px;margin:18px 0 0;font:600 clamp(4rem,7.5vw,7.6rem)/.86 var(--font-display);letter-spacing:-.055em}
.symbol-intro-copy{padding:8px 0 7px 28px;border-left:1px solid rgba(118,86,200,.42)}
.symbol-intro-copy p{margin:0;color:#555961;font-size:.98rem;line-height:1.9}
.symbol-system{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:clamp(36px,6vw,86px);align-items:start}
.symbol-stage{
  position:sticky;top:132px;min-height:620px;overflow:hidden;border:1px solid rgba(255,255,255,.11);border-radius:30px;
  color:#F5F2EC;background:radial-gradient(circle at 68% 44%,rgba(118,86,200,.22),transparent 23%),radial-gradient(circle at 43% 58%,rgba(53,183,196,.12),transparent 27%),linear-gradient(145deg,#111419,#181B22 58%,#221D2B);
  box-shadow:0 34px 100px rgba(23,25,29,.18);isolation:isolate
}
.symbol-stage:before{content:"";position:absolute;inset:0;z-index:-2;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:44px 44px;mask-image:linear-gradient(#000,transparent 96%)}
.symbol-stage:after{content:"";position:absolute;inset:-35%;z-index:-1;background:conic-gradient(from 210deg,transparent,rgba(53,89,199,.08),transparent 27%,rgba(215,94,154,.07),transparent 55%);animation:symbolAtmosphere 24s linear infinite}
.symbol-stage-meta{position:absolute;z-index:5;top:28px;left:30px;right:30px;display:flex;justify-content:space-between;color:#AEB0B8;font:500 .62rem var(--font-mono);letter-spacing:.13em}
.symbol-stage-meta b{color:#F5F2EC;font-weight:500}
.symbol-orbit{position:absolute;left:50%;top:48%;width:min(68%,440px);aspect-ratio:1;transform:translate(-50%,-50%);border:1px solid rgba(150,161,207,.14);border-radius:50%}
.symbol-orbit:before,.symbol-orbit:after{content:"";position:absolute;border:1px solid rgba(150,161,207,.11);border-radius:50%}
.symbol-orbit:before{inset:12% -18%;transform:rotate(-18deg)}.symbol-orbit:after{inset:-15% 13%;transform:rotate(28deg)}
.symbol-flight-map{position:absolute;inset:72px 5% 76px;width:90%;height:calc(100% - 148px);overflow:visible}
.symbol-trail{fill:none;stroke:url(#symbolTrailGradient);stroke-width:1.15;opacity:.42}
.symbol-trail.secondary{stroke-width:.65;opacity:.2}
.symbol-bird-core{fill:rgba(255,255,255,.018);stroke:url(#symbolBirdGradient);stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round;filter:drop-shadow(0 0 18px rgba(118,86,200,.2))}
.symbol-bird-core .wing-detail{stroke-width:.8;opacity:.52}
.symbol-node{fill:#161920;stroke-width:1.5}.symbol-node.n1{stroke:#3559C7}.symbol-node.n2{stroke:#35B7C4}.symbol-node.n3{stroke:#D75E9A}.symbol-node.n4{stroke:#D5A447}
.symbol-particles{position:absolute;inset:72px 7% 96px;pointer-events:none}
.symbol-particles i{position:absolute;left:var(--x);top:var(--y);width:4px;height:4px;border-radius:50%;background:var(--c,#7656C8);box-shadow:0 0 15px color-mix(in srgb,var(--c,#7656C8) 72%,transparent);opacity:.18}
.symbol-phase-rail{position:absolute;left:30px;right:30px;bottom:28px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.symbol-phase-rail span{position:relative;padding-top:11px;border-top:1px solid rgba(255,255,255,.13);color:#838791;font:500 .58rem var(--font-mono);letter-spacing:.08em;transition:color .3s,border-color .3s}
.symbol-phase-rail span:before{content:"";position:absolute;left:0;top:-1px;width:0;height:1px;background:var(--phase,#7656C8)}
.symbol-meanings{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(23,25,29,.13)}
.symbol-principle{position:relative;min-height:192px;padding:28px 28px 26px 0;border-bottom:1px solid rgba(23,25,29,.13)}
.symbol-principle:nth-child(odd){padding-right:34px;border-right:1px solid rgba(23,25,29,.13)}
.symbol-principle:nth-child(even){padding-left:34px}
.symbol-principle small{display:block;margin-bottom:34px;color:var(--accent,#7656C8);font:600 .62rem var(--font-mono);letter-spacing:.12em}
.symbol-principle h3{margin:0 0 10px;font:600 1.58rem/1.05 var(--font-display)}
.symbol-principle p{margin:0;color:#5D6067;font-size:.83rem;line-height:1.72}
.symbol-geometry{grid-column:1/-1;margin-top:28px;padding:27px 30px;border-left:2px solid var(--violet);background:rgba(255,255,255,.42)}
.symbol-geometry strong{display:block;color:var(--violet);font:600 .64rem var(--font-mono);letter-spacing:.13em}
.symbol-geometry h3{margin:13px 0 8px;font:600 1.8rem var(--font-display)}
.symbol-geometry p{margin:0;color:#5D6067;font-size:.87rem;line-height:1.76}
html[lang="zh-CN"] .symbol-intro h2{font-family:var(--font-cn-editorial);font-size:clamp(3rem,5.5vw,5.8rem);line-height:1.18;letter-spacing:0}
html[lang="zh-CN"] .symbol-principle h3,html[lang="zh-CN"] .symbol-geometry h3{font-family:var(--font-cn-editorial);line-height:1.35}
html[lang="zh-CN"] .matrix-hero h1{font-size:clamp(3.1rem,5.5vw,5.8rem)!important;line-height:1.18!important}
html[lang="zh-CN"] .section-head h2,html[lang="zh-CN"] .cap-editorial h2,html[lang="zh-CN"] .loop-editorial h2{font-size:clamp(2.55rem,4.7vw,4.8rem)!important;line-height:1.25!important}
@media(prefers-reduced-motion:no-preference){
  .symbol-stage.visible .symbol-trail{stroke-dasharray:820;stroke-dashoffset:820;animation:symbolDrawTrail 2s cubic-bezier(.2,.8,.2,1) forwards}
  .symbol-stage.visible .symbol-trail.secondary{animation-delay:.28s}
  .symbol-stage.visible .symbol-bird-core path{stroke-dasharray:760;stroke-dashoffset:760;animation:symbolBuildBird 1.55s cubic-bezier(.2,.8,.2,1) .75s forwards}
  .symbol-stage.visible .symbol-bird-core circle{opacity:0;animation:symbolEye .3s ease 2.05s forwards}
  .symbol-stage.visible .bird-motion{transform-box:fill-box;transform-origin:center;animation:symbolHoverFlight 8s ease-in-out 2.25s infinite}
  .symbol-stage.visible .symbol-orbit{animation:symbolOrbit 20s linear 1.5s infinite}
  .symbol-stage.visible .symbol-particles i{animation:symbolGather 7.5s cubic-bezier(.3,.1,.25,1) infinite;animation-delay:calc(var(--d,0) * 1s)}
  .symbol-stage.visible .symbol-phase-rail span:before{animation:symbolPhase 10s ease-in-out infinite;animation-delay:calc(var(--phase-i,0) * 2s)}
  .symbol-stage.visible .symbol-phase-rail span{animation:symbolPhaseText 10s ease-in-out infinite;animation-delay:calc(var(--phase-i,0) * 2s)}
  .symbol-stage:hover .bird-motion{filter:brightness(1.25) drop-shadow(0 0 20px rgba(118,86,200,.35))}
  @keyframes symbolDrawTrail{to{stroke-dashoffset:0}}
  @keyframes symbolBuildBird{to{stroke-dashoffset:0}}
  @keyframes symbolEye{to{opacity:1}}
  @keyframes symbolHoverFlight{0%,100%{transform:translate3d(0,0,0) rotate(0)}24%{transform:translate3d(-3px,5px,0) rotate(-.35deg)}52%{transform:translate3d(2px,-7px,0) rotate(.45deg)}76%{transform:translate3d(7px,-2px,0) rotate(.2deg)}}
  @keyframes symbolOrbit{to{transform:translate(-50%,-50%) rotate(360deg)}}
  @keyframes symbolAtmosphere{to{transform:rotate(360deg)}}
  @keyframes symbolGather{0%,12%{transform:translate(var(--dx),var(--dy)) scale(.35);opacity:0}40%,62%{transform:translate(0,0) scale(1);opacity:.72}86%,100%{transform:translate(30px,-18px) scale(.2);opacity:0}}
  @keyframes symbolPhase{0%,8%{width:0}16%,24%{width:100%}32%,100%{width:0}}
  @keyframes symbolPhaseText{0%,8%,32%,100%{color:#838791}16%,24%{color:#F5F2EC}}
}
@media(max-width:980px){.symbol-system{grid-template-columns:1fr}.symbol-stage{position:relative;top:auto;min-height:570px}.symbol-meanings{margin-top:8px}}
@media(max-width:760px){.hummingbird-symbolism{padding:96px 0}.symbol-intro{grid-template-columns:1fr;gap:28px;margin-bottom:42px}.symbol-intro h2{font-size:clamp(3.5rem,14vw,5.5rem)}.symbol-intro-copy{padding-left:20px}.symbol-stage{min-height:480px;border-radius:24px}.symbol-flight-map{inset:68px 1% 82px;width:98%;height:calc(100% - 150px)}.symbol-stage-meta{left:22px;right:22px}.symbol-phase-rail{left:22px;right:22px;gap:5px}.symbol-phase-rail span{font-size:.48rem}.symbol-meanings{grid-template-columns:1fr}.symbol-principle{min-height:0;padding:26px 0!important;border-right:0!important}.symbol-principle small{margin-bottom:22px}.symbol-geometry{margin-top:20px;padding:24px 22px}}
@media(max-width:480px){.symbol-stage{min-height:420px}.symbol-stage-meta{font-size:.52rem}.symbol-stage-meta span:last-child{display:none}.symbol-orbit{width:76%}.symbol-phase-rail span{letter-spacing:0}}
@media(prefers-reduced-motion:reduce){.symbol-stage:after,.symbol-stage *{animation:none!important;transition:none!important}.symbol-trail,.symbol-bird-core path{stroke-dashoffset:0!important}.symbol-bird-core circle,.symbol-particles i{opacity:.55}}


/* About v7.2 — official cycle language and living matrix */
.operating-loop-section .loop-stage small{
  letter-spacing:.14em;
  color:color-mix(in srgb,var(--accent) 72%,var(--graphite));
}
.closing .matrix-closing{
  display:grid;
  gap:clamp(34px,5vw,70px);
  padding-top:clamp(76px,10vw,132px);
  text-align:left;
}
.matrix-closing-copy{
  width:min(840px,100%);
  margin-inline:auto;
  text-align:center;
}
.matrix-closing-copy h2{
  max-width:780px;
  margin:14px auto 22px;
}
.matrix-closing-copy>p{
  max-width:760px;
  margin-inline:auto;
}
.matrix-closing-lede{
  margin-top:16px!important;
  color:var(--graphite);
}
.living-matrix{
  --matrix-ink:#17191f;
  position:relative;
  width:min(1120px,100%);
  min-height:600px;
  margin-inline:auto;
  overflow:hidden;
  border:1px solid rgba(23,25,31,.10);
  border-radius:clamp(24px,4vw,44px);
  background:
    radial-gradient(circle at 50% 48%,rgba(53,89,199,.10),transparent 23%),
    radial-gradient(circle at 44% 54%,rgba(53,183,196,.07),transparent 31%),
    linear-gradient(rgba(23,25,31,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,25,31,.035) 1px,transparent 1px),
    rgba(250,248,242,.82);
  background-size:auto,auto,56px 56px,56px 56px,auto;
  box-shadow:0 28px 80px rgba(23,25,31,.07),inset 0 1px 0 rgba(255,255,255,.8);
  isolation:isolate;
}
.living-matrix::before{
  content:"";
  position:absolute;
  inset:-30%;
  z-index:-1;
  background:conic-gradient(from 210deg at 50% 50%,transparent 0 34%,rgba(53,183,196,.10) 40%,rgba(53,89,199,.12) 47%,rgba(118,86,200,.09) 53%,transparent 61%);
  animation:matrixBreath 11s ease-in-out infinite alternate;
}
.living-matrix-label{
  position:absolute;
  left:50%;
  z-index:3;
  transform:translateX(-50%);
  font:600 .66rem/1.2 var(--mono);
  letter-spacing:.17em;
  text-transform:uppercase;
  color:rgba(70,72,80,.66);
  white-space:nowrap;
}
.living-matrix-label--top{top:24px}
.living-matrix-label--bottom{bottom:104px}
.living-dimensions,.living-capabilities{
  position:absolute;
  left:clamp(22px,5vw,66px);
  right:clamp(22px,5vw,66px);
  z-index:3;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(10px,2.4vw,26px);
}
.living-dimensions{top:56px}
.living-capabilities{bottom:28px}
.living-node{
  min-width:0;
  padding:17px clamp(12px,2vw,22px);
  border:1px solid rgba(23,25,31,.10);
  border-radius:18px;
  background:rgba(255,255,255,.48);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(23,25,31,.04);
  transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s,background .35s;
}
.living-node span{
  display:block;
  margin-bottom:8px;
  font:500 .62rem/1 var(--mono);
  letter-spacing:.15em;
  color:rgba(70,72,80,.58);
}
.living-node strong{
  display:block;
  overflow-wrap:anywhere;
  font:600 clamp(.78rem,1.25vw,1rem)/1.2 var(--sans);
  color:var(--matrix-ink);
}
.living-node:hover,.living-node:focus-visible{
  transform:translateY(-5px);
  border-color:rgba(53,89,199,.38);
  background:rgba(255,255,255,.70);
  box-shadow:0 16px 42px rgba(53,89,199,.12);
  outline:none;
}
.living-node--sound:hover,.living-node--sound:focus-visible{border-color:rgba(118,86,200,.48)}
.living-node--vision:hover,.living-node--vision:focus-visible{border-color:rgba(53,183,196,.48)}
.living-node--cognition:hover,.living-node--cognition:focus-visible{border-color:rgba(213,164,71,.48)}
.living-mark{
  position:absolute;
  left:50%;
  top:50%;
  z-index:4;
  display:grid;
  width:clamp(142px,18vw,208px);
  aspect-ratio:1;
  place-content:center;
  transform:translate(-50%,-50%) rotate(45deg);
  border:1px solid rgba(53,89,199,.30);
  border-radius:34%;
  background:linear-gradient(145deg,rgba(255,255,255,.82),rgba(239,245,247,.68));
  box-shadow:0 0 0 14px rgba(53,183,196,.025),0 30px 80px rgba(53,89,199,.16),inset 0 1px 0 rgba(255,255,255,.9);
}
.living-mark::before,.living-mark::after{
  content:"";
  position:absolute;
  inset:12%;
  border:1px solid rgba(118,86,200,.18);
  border-radius:30%;
}
.living-mark::after{inset:25%;border-color:rgba(53,183,196,.24)}
.living-mark small,.living-mark strong{
  position:relative;
  z-index:2;
  display:block;
  transform:rotate(-45deg);
  text-align:center;
}
.living-mark small{
  font:600 clamp(.47rem,.75vw,.62rem)/1.3 var(--mono);
  letter-spacing:.12em;
  color:rgba(70,72,80,.68);
}
.living-mark strong{
  margin-top:8px;
  font:500 clamp(1.4rem,3vw,2.35rem)/.9 var(--serif);
  letter-spacing:.04em;
  background:linear-gradient(100deg,#3559C7,#35B7C4 48%,#7656C8);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.living-mark i{
  position:absolute;
  inset:-9%;
  border:1px solid rgba(53,183,196,.11);
  border-radius:38%;
  animation:matrixOrbit 12s linear infinite;
}
.living-connectors{
  position:absolute;
  inset:0;
  z-index:1;
  width:100%;
  height:100%;
  overflow:visible;
  pointer-events:none;
}
.living-connectors path{
  fill:none;
  stroke:url(#matrixLine);
  stroke-width:1.35;
  vector-effect:non-scaling-stroke;
  opacity:.40;
  stroke-dasharray:7 9;
  stroke-dashoffset:160;
}
.living-matrix.visible .living-connectors path{
  animation:matrixDraw 2.2s cubic-bezier(.22,.7,.2,1) forwards,matrixFlow 14s linear 2.2s infinite;
}
.living-fragments i{
  position:absolute;
  z-index:2;
  width:7px;
  height:7px;
  border:1px solid rgba(53,89,199,.38);
  background:rgba(255,255,255,.55);
  transform:rotate(45deg);
  animation:matrixFragment 5.4s ease-in-out infinite alternate;
}
.living-fragments i:nth-child(1){left:24%;top:42%;animation-delay:-1s}
.living-fragments i:nth-child(2){left:35%;top:62%;animation-delay:-3s;border-color:rgba(53,183,196,.52)}
.living-fragments i:nth-child(3){left:46%;top:27%;animation-delay:-2s}
.living-fragments i:nth-child(4){right:36%;top:32%;animation-delay:-4s;border-color:rgba(118,86,200,.52)}
.living-fragments i:nth-child(5){right:24%;top:58%;animation-delay:-.5s}
.living-fragments i:nth-child(6){right:42%;top:70%;animation-delay:-2.5s;border-color:rgba(53,183,196,.46)}
.matrix-closing .closing-actions{
  justify-content:center;
  margin-top:-8px;
}
@keyframes matrixDraw{to{stroke-dashoffset:0}}
@keyframes matrixFlow{to{stroke-dashoffset:-160}}
@keyframes matrixBreath{to{transform:translate3d(3%,1%,0) rotate(8deg);opacity:.72}}
@keyframes matrixOrbit{to{transform:rotate(360deg)}}
@keyframes matrixFragment{to{transform:translate3d(0,-9px,0) rotate(135deg);opacity:.45}}

@media(max-width:720px){
  .closing .matrix-closing{padding-top:72px;gap:34px}
  .living-matrix{min-height:540px;border-radius:24px}
  .living-matrix-label--top{top:19px}
  .living-matrix-label--bottom{bottom:94px}
  .living-dimensions,.living-capabilities{left:12px;right:12px;gap:7px}
  .living-dimensions{top:48px}
  .living-capabilities{bottom:20px}
  .living-node{padding:13px 8px;border-radius:14px;text-align:center}
  .living-node span{font-size:.54rem;margin-bottom:6px}
  .living-node strong{font-size:clamp(.62rem,2.8vw,.78rem)}
  .living-mark{width:132px}
  .living-connectors{opacity:.78}
}
@media(max-width:420px){
  .living-matrix{min-height:520px}
  .living-node strong{font-size:.61rem}
  .living-mark{width:118px}
  .living-mark small{font-size:.41rem}
}
@media(prefers-reduced-motion:reduce){
  .living-matrix::before,.living-mark i,.living-fragments i,.living-matrix.visible .living-connectors path{
    animation:none!important;
  }
  .living-connectors path{stroke-dashoffset:0}
  .living-node{transition:none}
}


/* About v7.3 — clarity and atmosphere */
.operating-loop-section .loop-header{
  margin-bottom:34px;
}
.operating-loop-section .loop-header>p{
  max-width:510px;
  font-size:clamp(.94rem,1.25vw,1.08rem);
  color:#c7c9cf;
}
.loop-context{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:clamp(26px,5vw,70px);
  max-width:940px;
  margin:0 auto 46px;
  padding:20px 0 26px 160px;
  border-top:1px solid rgba(255,255,255,.13);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.loop-context span{
  font:500 .58rem/1.5 var(--font-mono);
  letter-spacing:.14em;
  color:#8e91a0;
}
.loop-context p{
  max-width:650px;
  margin:0;
  font:400 clamp(.88rem,1.15vw,.98rem)/1.8 var(--font-ui);
  color:#b8bac1;
}
.operating-loop-section .loop-stage{
  padding-block:clamp(38px,5vw,54px);
}
.operating-loop-section .loop-stage p{
  max-width:690px;
  font-size:clamp(.88rem,1.1vw,.98rem);
  line-height:1.82;
}
.closing .matrix-closing{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding:clamp(92px,10vw,138px) clamp(18px,4.5vw,62px) clamp(58px,7vw,88px);
  border:1px solid rgba(23,25,31,.08);
  border-radius:clamp(30px,5vw,58px);
  background:
    radial-gradient(circle at 15% 22%,rgba(53,183,196,.09),transparent 26%),
    radial-gradient(circle at 88% 18%,rgba(118,86,200,.10),transparent 29%),
    radial-gradient(circle at 52% 72%,rgba(53,89,199,.055),transparent 34%),
    linear-gradient(rgba(23,25,31,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,25,31,.026) 1px,transparent 1px),
    linear-gradient(145deg,rgba(255,255,255,.52),rgba(245,242,236,.72));
  background-size:auto,auto,auto,72px 72px,72px 72px,auto;
  box-shadow:0 34px 110px rgba(23,25,31,.075),inset 0 1px 0 rgba(255,255,255,.8);
}
.closing .matrix-closing::before{
  content:"";
  position:absolute;
  inset:10% -10% auto;
  z-index:-1;
  height:54%;
  pointer-events:none;
  background:linear-gradient(100deg,transparent 6%,rgba(53,183,196,.065) 34%,rgba(53,89,199,.08) 53%,rgba(118,86,200,.065) 70%,transparent 94%);
  filter:blur(35px);
  transform:skewY(-4deg);
}
.closing .matrix-closing::after{
  content:"MATRIX / 05";
  position:absolute;
  right:clamp(24px,4vw,58px);
  top:28px;
  font:500 .57rem/1 var(--font-mono);
  letter-spacing:.18em;
  color:rgba(69,72,80,.42);
}
.matrix-closing-copy{
  position:relative;
  z-index:2;
}
.matrix-closing-copy::after{
  content:"";
  display:block;
  width:min(310px,48vw);
  height:1px;
  margin:28px auto 0;
  background:linear-gradient(90deg,transparent,#35B7C4 32%,#3559C7 58%,#7656C8 78%,transparent);
  opacity:.72;
}
.living-matrix{
  min-height:660px;
  border-color:rgba(53,89,199,.13);
  background:
    radial-gradient(circle at 50% 48%,rgba(53,89,199,.14),transparent 22%),
    radial-gradient(circle at 43% 47%,rgba(53,183,196,.10),transparent 31%),
    radial-gradient(circle at 72% 24%,rgba(118,86,200,.07),transparent 26%),
    linear-gradient(rgba(23,25,31,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,25,31,.04) 1px,transparent 1px),
    rgba(252,250,246,.84);
  background-size:auto,auto,auto,56px 56px,56px 56px,auto;
}
.living-matrix::after{
  content:"";
  position:absolute;
  inset:15% 20%;
  z-index:0;
  border-radius:50%;
  pointer-events:none;
  background:
    radial-gradient(ellipse at center,transparent 0 29%,rgba(53,183,196,.12) 29.3% 29.7%,transparent 30% 48%,rgba(53,89,199,.10) 48.3% 48.7%,transparent 49% 67%,rgba(118,86,200,.085) 67.3% 67.7%,transparent 68%);
  transform:rotate(-8deg);
  animation:matrixField 15s ease-in-out infinite alternate;
}
.living-matrix-label{
  padding:6px 12px;
  border-radius:999px;
  background:rgba(250,248,242,.78);
  box-shadow:0 0 0 1px rgba(23,25,31,.045);
}
.living-matrix-label--top{top:20px}
.living-matrix-label--bottom{
  bottom:150px;
  z-index:5;
}
.living-dimensions{top:64px}
.living-capabilities{bottom:28px}
.matrix-system-rail{
  position:absolute;
  top:22px;
  left:24px;
  right:24px;
  z-index:4;
  display:flex;
  justify-content:space-between;
  pointer-events:none;
  font:500 .5rem/1 var(--font-mono);
  letter-spacing:.13em;
  color:rgba(69,72,80,.40);
}
.matrix-coordinate{
  position:absolute;
  z-index:2;
  pointer-events:none;
  font:500 .49rem/1 var(--font-mono);
  letter-spacing:.14em;
  color:rgba(53,89,199,.42);
}
.matrix-coordinate::before{
  content:"";
  position:absolute;
  width:22px;
  height:1px;
  top:50%;
  background:currentColor;
  opacity:.45;
}
.matrix-coordinate--a{left:5%;top:42%;padding-left:30px}
.matrix-coordinate--a::before{left:0}
.matrix-coordinate--b{right:5%;top:35%;padding-right:30px}
.matrix-coordinate--b::before{right:0}
.matrix-coordinate--c{right:7%;top:67%;padding-right:30px}
.matrix-coordinate--c::before{right:0}
@keyframes matrixField{
  to{transform:rotate(4deg) scale(1.04);opacity:.72}
}
@media(max-width:820px){
  .loop-context{
    grid-template-columns:1fr;
    gap:12px;
    padding-left:0;
  }
  .closing .matrix-closing{
    padding:82px 14px 48px;
    border-radius:30px;
  }
  .living-matrix{min-height:570px}
  .living-matrix-label--bottom{bottom:118px}
  .matrix-coordinate{display:none}
}
@media(max-width:560px){
  .operating-loop-section .loop-header{margin-bottom:26px}
  .loop-context{margin-bottom:30px}
  .living-matrix{min-height:550px}
  .living-matrix-label{
    font-size:.53rem;
    letter-spacing:.12em;
  }
  .living-matrix-label--bottom{bottom:110px}
  .matrix-system-rail{left:14px;right:14px}
}
@media(prefers-reduced-motion:reduce){
  .living-matrix::after{animation:none!important}
}


/* About v7.4 — full-bleed matrix field, no outer card */
.closing .matrix-closing{
  overflow:visible;
  padding-inline:0;
  border:0;
  border-radius:0;
  background:none;
  box-shadow:none;
}
.closing .matrix-closing::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  right:auto;
  z-index:-1;
  width:100vw;
  height:auto;
  transform:translateX(-50%);
  filter:none;
  pointer-events:none;
  background:
    radial-gradient(circle at 16% 20%,rgba(53,183,196,.085),transparent 27%),
    radial-gradient(circle at 84% 18%,rgba(118,86,200,.09),transparent 30%),
    radial-gradient(circle at 50% 74%,rgba(53,89,199,.05),transparent 38%),
    linear-gradient(rgba(23,25,31,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,25,31,.022) 1px,transparent 1px),
    linear-gradient(145deg,rgba(255,255,255,.42),rgba(245,242,236,.68));
  background-size:auto,auto,auto,72px 72px,72px 72px,auto;
  box-shadow:inset 0 1px 0 rgba(23,25,31,.06),inset 0 -1px 0 rgba(23,25,31,.06);
}
@media(max-width:820px){
  .closing .matrix-closing{
    padding-inline:0;
    border-radius:0;
  }
}


/* About v7.5 — signature, colour and lighter ecosystem */
.brand-expression-section{
  position:relative;
  overflow:hidden;
  padding:clamp(110px,12vw,178px) 0;
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 18%,rgba(53,183,196,.075),transparent 28%),
    radial-gradient(circle at 92% 82%,rgba(118,86,200,.075),transparent 29%),
    linear-gradient(rgba(23,25,29,.026) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,25,29,.026) 1px,transparent 1px),
    linear-gradient(180deg,#f8f6f0,#f2eee6);
  background-size:auto,auto,68px 68px,68px 68px,auto;
}
.brand-expression-section::before{
  content:"SIGNATURE / SPECTRUM";
  position:absolute;
  right:clamp(24px,5vw,76px);
  top:42px;
  font:500 .55rem/1 var(--font-mono);
  letter-spacing:.17em;
  color:rgba(69,72,80,.40);
}
.brand-expression-head{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:clamp(44px,8vw,110px);
  align-items:end;
  margin-bottom:clamp(70px,8vw,112px);
}
.brand-expression-head h2{
  max-width:780px;
  margin:16px 0 0;
  font:600 clamp(4rem,7.2vw,8rem)/.88 var(--font-display);
  letter-spacing:-.05em;
}
.brand-expression-head>p{
  max-width:520px;
  margin:0;
  color:#5c6068;
  font-size:clamp(.92rem,1.25vw,1.04rem);
  line-height:1.9;
}
.signature-editorial,.colour-editorial{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:clamp(44px,8vw,110px);
  align-items:center;
  padding:clamp(48px,7vw,90px) 0;
  border-top:1px solid rgba(23,25,29,.12);
}
.signature-editorial{border-bottom:1px solid rgba(23,25,29,.12)}
.signature-art{
  position:relative;
  min-height:340px;
  display:grid;
  place-items:center;
  isolation:isolate;
}
.signature-art::before{
  content:"";
  position:absolute;
  width:74%;
  aspect-ratio:1.55;
  border-radius:50%;
  z-index:-1;
  background:radial-gradient(ellipse,rgba(53,183,196,.16),rgba(53,89,199,.08) 42%,rgba(118,86,200,.05) 58%,transparent 72%);
  filter:blur(12px);
}
.signature-art img{
  display:block;
  width:min(570px,94%);
  height:auto;
  object-fit:contain;
  filter:drop-shadow(0 18px 36px rgba(23,25,29,.10));
}
.signature-art>span{
  position:absolute;
  left:0;
  bottom:0;
  font:500 .52rem/1 var(--font-mono);
  letter-spacing:.14em;
  color:rgba(69,72,80,.54);
}
.signature-flightline{
  position:absolute;
  left:8%;
  right:2%;
  top:53%;
  z-index:-1;
  height:1px;
  background:linear-gradient(90deg,transparent,#35B7C4 28%,#3559C7 55%,#7656C8 76%,transparent);
  transform:rotate(-7deg);
  opacity:.58;
}
.signature-copy small,.colour-copy small{
  font:600 .58rem/1.4 var(--font-mono);
  letter-spacing:.15em;
  color:var(--violet);
}
.signature-copy h3,.colour-copy h3{
  max-width:620px;
  margin:18px 0 22px;
  font:600 clamp(2.5rem,4.5vw,5rem)/.95 var(--font-display);
  letter-spacing:-.035em;
}
.signature-copy p,.colour-copy p{
  margin:0;
  color:#5b5f67;
  line-height:1.86;
}
.signature-copy blockquote{
  margin:32px 0 0;
  padding:21px 0 0;
  border-top:1px solid rgba(23,25,29,.12);
  font:500 clamp(1.35rem,2.3vw,2.1rem)/1.2 var(--font-display);
  font-style:italic;
  color:#2c3038;
}
.colour-copy strong{
  display:block;
  margin-top:28px;
  font:600 .68rem/1.6 var(--font-mono);
  letter-spacing:.08em;
  color:#3559C7;
}
.colour-system{align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.ratio-track{
  display:grid;
  grid-template-columns:70fr 25fr 5fr;
  min-height:128px;
  overflow:visible;
  border-top:1px solid rgba(23,25,29,.13);
  border-bottom:1px solid rgba(23,25,29,.13);
}
.ratio-track>span{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-width:0;
  padding:22px 16px 18px;
  border-right:1px solid rgba(23,25,29,.10);
}
.ratio-track>span:last-child{border-right:0}
.ratio-track b{font:600 clamp(1.45rem,3vw,2.7rem)/1 var(--font-display)}
.ratio-track em{
  font:500 .52rem/1.35 var(--font-mono);
  letter-spacing:.09em;
  text-transform:uppercase;
  font-style:normal;
}
.ratio-neutral{color:#f5f2ec;background:linear-gradient(110deg,#17191d,#454850 62%,#f5f2ec)}
.ratio-prism{color:#fff;background:linear-gradient(120deg,#3559C7,#35B7C4 52%,#7656C8)}
.ratio-spectrum{color:transparent;background:linear-gradient(180deg,#3559C7,#35B7C4,#69A982,#7656C8,#D75E9A,#E86D60,#D5A447)}
.ratio-spectrum b,.ratio-spectrum em{opacity:0}
.prism-key{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  height:7px;
  margin-top:28px;
}
.prism-key i{background:var(--tone)}
.ratio-note{
  margin-top:20px;
  color:#64676e;
  font-size:.78rem;
  line-height:1.72;
}
.living-dimensions .living-node{
  position:relative;
  padding:14px 8px 18px;
  border:0;
  border-radius:0;
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  box-shadow:none;
}
.living-dimensions .living-node::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:linear-gradient(90deg,var(--dimension-tone,rgba(53,89,199,.45)),rgba(23,25,31,.08),transparent);
}
.living-dimensions .living-node--sound{--dimension-tone:#7656C8}
.living-dimensions .living-node--vision{--dimension-tone:#35B7C4}
.living-dimensions .living-node--cognition{--dimension-tone:#D5A447}
.living-dimensions .living-node span{
  margin-bottom:10px;
  color:var(--dimension-tone,rgba(69,72,80,.60));
}
.living-dimensions .living-node strong{
  font-size:clamp(.86rem,1.35vw,1.08rem);
}
.living-dimensions .living-node:hover,.living-dimensions .living-node:focus-visible{
  transform:translateY(-3px);
  border:0;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.34));
  box-shadow:none;
}
.ecosystem-map-section{
  background:
    linear-gradient(128deg,#242637 0%,#20273a 46%,#27233b 72%,#1d2531 100%);
}
.ecosystem-map-section::before{
  opacity:1;
  background:
    radial-gradient(circle at 14% 20%,rgba(118,86,200,.26),transparent 30%),
    radial-gradient(circle at 79% 24%,rgba(53,89,199,.20),transparent 26%),
    radial-gradient(circle at 91% 72%,rgba(53,183,196,.14),transparent 31%),
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:auto,auto,auto,72px 72px,72px 72px;
}
.ecosystem-map-section::after{
  content:"";
  position:absolute;
  right:-7vw;
  top:6%;
  width:min(48vw,720px);
  aspect-ratio:1;
  pointer-events:none;
  opacity:.28;
  clip-path:polygon(50% 0,86% 20%,100% 58%,73% 100%,27% 94%,0 56%,17% 18%);
  background:
    linear-gradient(128deg,rgba(53,183,196,.18),transparent 40%),
    conic-gradient(from 210deg,rgba(118,86,200,.40),rgba(53,89,199,.12),rgba(53,183,196,.33),rgba(213,164,71,.12),rgba(118,86,200,.40));
  filter:blur(1px);
}
.ecosystem-map-section .container{z-index:1}
.ecosystem-map-section .section-head{
  position:relative;
  isolation:isolate;
}
.ecosystem-map-section .section-head::after{
  content:"SOUND / VISION / COGNITION";
  position:absolute;
  right:0;
  top:-34px;
  font:500 .52rem/1 var(--font-mono);
  letter-spacing:.16em;
  color:rgba(245,242,236,.42);
}
.ecosystem-map-section .section-copy{color:#d0d3dc}
.ecosystem-map{
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(118,86,200,.025),rgba(53,183,196,.018));
}
.ecosystem-core{
  background:radial-gradient(circle at 38% 30%,rgba(255,255,255,.18),rgba(118,86,200,.16) 38%,rgba(31,34,50,.90) 72%);
  box-shadow:0 0 0 38px rgba(255,255,255,.022),0 35px 90px rgba(5,8,18,.26),0 0 75px rgba(53,89,199,.12);
}
@media(max-width:820px){
  .brand-expression-head,.signature-editorial,.colour-editorial{grid-template-columns:1fr}
  .brand-expression-head{gap:26px}
  .signature-editorial,.colour-editorial{gap:38px}
  .signature-art{min-height:260px}
  .colour-system{min-height:260px}
  .ecosystem-map-section::after{width:92vw;right:-38vw;top:3%;opacity:.20}
}
@media(max-width:560px){
  .brand-expression-section{padding-block:92px}
  .brand-expression-head h2{font-size:clamp(3.15rem,15vw,5rem)}
  .signature-art{min-height:220px}
  .signature-copy h3,.colour-copy h3{font-size:clamp(2.35rem,12vw,3.8rem)}
  .ratio-track{min-height:110px}
  .ratio-track>span{padding:16px 8px 14px}
  .ratio-track em{font-size:.44rem;letter-spacing:.04em}
  .living-dimensions .living-node{padding-inline:4px;text-align:left}
  .ecosystem-map-section .section-head::after{display:none}
}


/* About v7.6 — hierarchy cleanup */
html[lang="zh-CN"] .brand-expression-head h2{
  max-width:860px;
  font-size:clamp(3rem,4.65vw,5.5rem)!important;
  line-height:1.18!important;
  letter-spacing:0!important;
}
.closing .founder-editorial{
  border-bottom:0!important;
}
.living-matrix{
  overflow:visible;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.living-matrix::before{
  inset:-18%;
  border-radius:50%;
}
.matrix-closing::after{
  content:"MATRIX / 08";
}
.ratio-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  min-height:0;
  overflow:visible;
  padding-top:34px;
  border:0;
}
.ratio-track::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:12px;
  background:
    linear-gradient(90deg,
      #17191D 0%,
      #454850 50%,
      #D7D2C9 70%,
      #3559C7 70%,
      #35B7C4 82%,
      #7656C8 95%,
      #D75E9A 95%,
      #E86D60 97.5%,
      #D5A447 100%);
  box-shadow:0 1px 0 rgba(23,25,29,.08);
}
.ratio-track>span{
  min-height:150px;
  padding:24px 22px 18px 0;
  border:0;
  border-right:1px solid rgba(23,25,29,.11);
  color:var(--ink);
  background:transparent!important;
}
.ratio-track>span+span{padding-left:22px}
.ratio-track>span:last-child{border-right:0}
.ratio-track b{
  font:600 clamp(2.2rem,4vw,4.4rem)/.9 var(--font-display);
  color:var(--ink);
}
.ratio-track em{
  max-width:150px;
  font:600 .58rem/1.45 var(--font-mono);
  letter-spacing:.09em;
  color:#62666f;
  opacity:1;
}
.ratio-prism b{color:#3559C7}
.ratio-spectrum b{color:#D75E9A}
.ratio-spectrum b,.ratio-spectrum em{opacity:1}
.prism-key{display:none}
.ratio-note{
  margin-top:0;
  padding-top:22px;
  border-top:1px solid rgba(23,25,29,.11);
}
@media(max-width:720px){
  html[lang="zh-CN"] .brand-expression-head h2{
    font-size:clamp(2.7rem,10.5vw,4.5rem)!important;
    line-height:1.22!important;
  }
  .ratio-track>span{
    min-height:132px;
    padding:20px 10px 14px 0;
  }
  .ratio-track>span+span{padding-left:12px}
  .ratio-track b{font-size:clamp(1.9rem,8vw,3rem)}
  .ratio-track em{font-size:.48rem;letter-spacing:.04em}
}


/* About v7.7 — matched matrix cards and clean signature lockup */
.living-dimensions .living-node{
  position:relative;
  min-width:0;
  padding:17px clamp(12px,2vw,22px);
  border:1px solid rgba(23,25,31,.10);
  border-radius:18px;
  background:rgba(255,255,255,.48);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(23,25,31,.04);
  text-align:left;
}
.living-dimensions .living-node::after{
  content:none;
  display:none;
}
.living-dimensions .living-node:hover,
.living-dimensions .living-node:focus-visible{
  transform:translateY(-5px);
  border-color:color-mix(in srgb,var(--dimension-tone) 38%,rgba(23,25,31,.10));
  background:rgba(255,255,255,.70);
  box-shadow:0 16px 42px color-mix(in srgb,var(--dimension-tone) 10%,rgba(23,25,31,.07));
}
.signature-flightline{
  display:none!important;
}
@media(max-width:720px){
  .living-dimensions .living-node{
    padding:13px 8px;
    border-radius:14px;
    text-align:center;
  }
}