.growth-story {
  --story-green: #006d50;
  --story-ink: #0a0e0c;
  --story-muted: #737c77;
  --story-line: #cdd4cf;
  background: #f2f4ef;
  display: grid;
  grid-template-columns: minmax(360px, .72fr) minmax(640px, 1.28fr);
  gap: clamp(72px, 8vw, 154px);
  padding: 116px 70px 146px;
  position: relative;
}

.growth-story::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: linear-gradient(to right, #9ca8a10f 1px, transparent 1px);
  background-size: 8.3333% 100%;
}

.growth-intro {
  align-self: start;
  position: sticky;
  top: 110px;
  z-index: 1;
}

.growth-intro .section-label {
  margin-bottom: 36px;
}

.growth-intro h2 {
  margin: 0;
  max-width: 560px;
  font-size: clamp(50px, 4.25vw, 72px);
  font-weight: 520;
  letter-spacing: -.045em;
  line-height: 1.12;
}

.growth-intro-copy {
  color: var(--story-muted);
  max-width: 465px;
  margin: 38px 0 0;
  font-size: 15px;
  line-height: 1.85;
}

.growth-progress {
  align-items: center;
  display: grid;
  gap: 13px;
  grid-template-columns: auto 1fr auto;
  max-width: 465px;
  margin-top: 56px;
}

.growth-progress-label {
  color: #89918d;
  font-size: 8px;
  font-weight: 680;
  letter-spacing: .08em;
}

.growth-progress-track {
  background: #d5dbd7;
  height: 1px;
  overflow: hidden;
}

.growth-progress-track i {
  background: var(--story-green);
  display: block;
  height: 100%;
  transform: scaleX(var(--story-progress, 0));
  transform-origin: left;
}

.timeline {
  padding-top: 3px;
  position: relative;
  z-index: 1;
}

.timeline-line {
  background: var(--story-line);
  bottom: 142px;
  left: 153px;
  position: absolute;
  top: 14px;
  width: 1px;
}

.timeline-line i {
  background: var(--story-green);
  display: block;
  height: 100%;
  transform: scaleY(var(--story-progress, 0));
  transform-origin: top;
  width: 1px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 118px 70px minmax(0, 1fr);
  min-height: 405px;
  opacity: .32;
  position: relative;
  transition: opacity .65s ease;
}

.timeline-item.is-active,
.timeline-item.is-past {
  opacity: 1;
}

.timeline-year {
  display: flex;
  flex-direction: column;
  padding-top: 1px;
  transition: color .5s ease, transform .65s ease;
}

.timeline-item.is-active .timeline-year {
  color: var(--story-green);
  transform: translateX(5px);
}

.timeline-year span {
  font-size: 30px;
  font-weight: 540;
  letter-spacing: -.03em;
  line-height: 1;
}

.timeline-year small {
  color: var(--story-muted);
  margin-top: 11px;
  font-size: 8px;
  font-weight: 680;
  letter-spacing: .12em;
}

.timeline-node {
  background: #f2f4ef;
  border: 1px solid #8f9993;
  border-radius: 50%;
  height: 13px;
  margin-left: 29px;
  margin-top: 2px;
  position: relative;
  width: 13px;
  z-index: 2;
  transition: background .45s ease, border-color .45s ease, box-shadow .45s ease, transform .45s ease;
}

.timeline-item.is-past .timeline-node,
.timeline-item.is-active .timeline-node {
  background: var(--story-green);
  border-color: var(--story-green);
}

.timeline-item.is-active .timeline-node {
  box-shadow: 0 0 0 8px #006d5016;
  transform: scale(1.08);
}

.timeline-copy {
  border-top: 1px solid var(--story-line);
  padding: 0 0 92px;
  transform: translateY(20px);
  transition: transform .75s cubic-bezier(.2,.8,.2,1);
}

.timeline-item.is-active .timeline-copy,
.timeline-item.is-past .timeline-copy {
  transform: translateY(0);
}

.timeline-copy > p {
  color: var(--story-green);
  margin: 19px 0 0;
  font-size: 10px;
  font-weight: 680;
}

.timeline-copy h3 {
  margin: 29px 0 0;
  font-size: clamp(35px, 3vw, 50px);
  font-weight: 520;
  letter-spacing: -.035em;
  line-height: 1.13;
}

.timeline-copy > span {
  color: var(--story-muted);
  display: block;
  max-width: 520px;
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.75;
}

.timeline-now {
  min-height: 570px;
}

.timeline-branches {
  border-top: 1px solid var(--story-line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 45px;
}

.timeline-branches a {
  min-height: 128px;
  padding: 22px 20px 18px 0;
  position: relative;
  transition: background .25s ease, padding .25s ease;
}

.timeline-branches a + a {
  border-left: 1px solid var(--story-line);
  padding-left: 22px;
}

.timeline-branches a:hover {
  background: #fff8;
  padding-left: 14px;
}

.timeline-branches a + a:hover {
  padding-left: 36px;
}

.timeline-branches small {
  color: var(--story-green);
  display: block;
  font-size: 8px;
  font-weight: 700;
}

.timeline-branches strong {
  display: block;
  margin-top: 22px;
  font-size: 17px;
  font-weight: 540;
}

.timeline-branches i {
  bottom: 19px;
  font-size: 11px;
  font-style: normal;
  position: absolute;
  right: 18px;
}

@media (max-width: 1180px) {
  body { min-width: 0; }
  .growth-story {
    grid-template-columns: minmax(290px, .78fr) minmax(530px, 1.22fr);
    gap: 55px;
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 840px) {
  .growth-story {
    display: block;
    padding: 82px 24px 100px;
  }
  .growth-intro { position: relative; top: auto; }
  .growth-intro h2 { font-size: 45px; }
  .growth-intro h2 br:nth-of-type(2) { display: none; }
  .growth-progress { margin: 38px 0 76px; }
  .timeline-line { left: 84px; }
  .timeline-item { grid-template-columns: 62px 45px minmax(0, 1fr); min-height: 360px; }
  .timeline-year span { font-size: 19px; }
  .timeline-node { margin-left: 16px; }
  .timeline-copy h3 { font-size: 34px; }
  .timeline-branches { grid-template-columns: 1fr; }
  .timeline-branches a + a { border-left: 0; border-top: 1px solid var(--story-line); padding-left: 0; }
  .timeline-branches a + a:hover { padding-left: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-item, .timeline-year, .timeline-node, .timeline-copy,
  .growth-progress-track i, .timeline-line i { transition: none; }
}

/* Light proof and ecosystem section */
.proof-light {
  color: #0a0e0c;
  background: #fbfaf7;
  padding: 118px 70px 132px;
}

.proof-lead {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 9vw;
  align-items: end;
}

.proof-lead h2 {
  margin: 0;
  font-size: clamp(48px, 4.6vw, 72px);
  font-weight: 520;
  letter-spacing: -.045em;
  line-height: 1.1;
}

.proof-summary > p {
  color: #68716c;
  margin: 0;
  max-width: 440px;
  font-size: 14px;
  line-height: 1.8;
}

.proof-summary > div {
  border-top: 1px solid #cdd4cf;
  align-items: flex-end;
  display: flex;
  gap: 18px;
  margin-top: 30px;
  padding-top: 18px;
}

.proof-summary strong {
  color: #006d50;
  font-size: 55px;
  font-weight: 520;
  line-height: .85;
}

.proof-summary span {
  color: #68716c;
  font-size: 10px;
  line-height: 1.5;
}

.proof-matrix {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  margin-top: 82px;
}

.proof-card {
  background: #f2f4ef;
  border: 1px solid #d8ddd9;
  min-height: 470px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}

.proof-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.proof-card:hover {
  box-shadow: 0 22px 55px #153c3012;
}

.proof-card-pku { grid-column: span 7; }
.proof-card-cctv { grid-column: span 5; }
.proof-card-jd { grid-column: span 5; }
.proof-card-aws { grid-column: span 7; }

.proof-card-media,
.proof-logo-stage {
  background: #eef1ec;
  height: 360px;
  overflow: hidden;
  position: relative;
}

.proof-card-media img {
  height: 100%;
  object-fit: contain;
  padding: 18px;
  transition: transform .9s ease;
}

.proof-card:hover .proof-card-media img { transform: scale(1.018); }
.proof-card-pku .proof-card-media {
  background: #f3ead0;
}

.proof-card-pku .proof-card-media img {
  object-position: center;
  padding: 0;
}

.proof-card-jd .proof-card-media {
  background: #fff;
}

.proof-card-jd .proof-card-media img {
  object-position: center;
  padding: 12px;
}

.proof-logo-stage {
  align-items: center;
  background: #e8ede8;
  display: flex;
  justify-content: center;
}

.proof-logo-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .2;
  background: linear-gradient(125deg, transparent 0 48%, #006d5010 48% 48.2%, transparent 48.2%);
}

.cctv-logo {
  height: 94px;
  object-fit: contain;
  position: relative;
  width: 230px;
  z-index: 1;
}

.aws-logo {
  height: 88px;
  object-fit: contain;
  position: relative;
  width: 170px;
  z-index: 1;
}

.proof-award-number {
  bottom: 18px;
  color: #006d50;
  font-size: 10px;
  font-weight: 700;
  position: absolute;
  right: 20px;
}

.proof-card-copy { padding: 25px 28px 30px; }
.proof-card-copy small {
  color: #006d50;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
}

.proof-card-copy h3 {
  margin: 18px 0 0;
  font-size: 26px;
  font-weight: 540;
  letter-spacing: -.02em;
}

.proof-card-copy p {
  color: #68716c;
  margin: 13px 0 0;
  max-width: 560px;
  font-size: 12px;
  line-height: 1.7;
}

.ecosystem-wall {
  border-top: 1px solid #cdd4cf;
  margin-top: 112px;
  padding-top: 31px;
}

.ecosystem-heading {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
}

.ecosystem-heading span {
  color: #68716c;
  font-size: 11px;
}

.logo-wall {
  border-bottom: 1px solid #cdd4cf;
  border-top: 1px solid #cdd4cf;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-top: 35px;
}

.logo-wall figure {
  align-items: center;
  display: flex;
  flex-direction: column;
  height: 146px;
  justify-content: center;
  margin: 0;
  padding: 27px 22px;
}

.logo-wall figure + figure { border-left: 1px solid #cdd4cf; }

.logo-wall img {
  filter: grayscale(1);
  height: 42px;
  max-width: 96px;
  object-fit: contain;
  opacity: .64;
  transition: filter .3s ease, opacity .3s ease, transform .3s ease;
}

.logo-wall figure:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-3px);
}

.logo-wall figcaption {
  color: #7a837e;
  margin-top: 14px;
  font-size: 8px;
  letter-spacing: .06em;
}

/* Light closing CTA */
.contact-light {
  color: #0a0e0c;
  background: #e7efe9;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 10vw;
  padding: 104px 70px 110px;
}

.contact-light h2 {
  margin: 0;
  max-width: 800px;
  font-size: clamp(48px, 4.7vw, 72px);
  font-weight: 520;
  letter-spacing: -.045em;
  line-height: 1.1;
}

.contact-panel {
  align-self: end;
  border-top: 1px solid #aebdb4;
  padding-top: 24px;
}

.contact-panel > p {
  color: #5f6c65;
  margin: 0 0 32px;
  font-size: 13px;
  line-height: 1.75;
}

.contact-primary {
  align-items: center;
  background: #006d50;
  color: #fff;
  display: flex;
  justify-content: space-between;
  padding: 20px 22px;
  font-size: 14px;
  transition: background .25s ease, transform .25s ease;
}

.contact-primary:hover { background: #034b3a; transform: translateY(-2px); }

.contact-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 12px;
}

.contact-secondary a {
  border-bottom: 1px solid #aebdb4;
  display: flex;
  justify-content: space-between;
  padding: 18px 13px 16px 0;
  font-size: 10px;
}

.contact-secondary a + a {
  border-left: 1px solid #aebdb4;
  padding-left: 14px;
}

@media (max-width: 900px) {
  .proof-light, .contact-light { padding-left: 24px; padding-right: 24px; }
  .proof-lead, .contact-light { grid-template-columns: 1fr; gap: 50px; }
  .proof-matrix { display: block; }
  .proof-card { margin-top: 16px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .logo-wall figure { border-bottom: 1px solid #cdd4cf; }
  .logo-wall figure + figure { border-left: 0; }
  .logo-wall figure:nth-child(even) { border-left: 1px solid #cdd4cf; }
}

/* Crisp animated system diagram */
.hero { background: #fbfaf7; }

.hero-shade {
  background: linear-gradient(90deg, #fbfaf7 0%, #fbfaf7f5 39%, #fbfaf766 57%, transparent 72%);
  pointer-events: none;
}

.hero-diagram {
  --diagram-green: #006d50;
  --diagram-gold: #bd8b35;
  height: 600px;
  position: absolute;
  right: clamp(22px, 4vw, 78px);
  top: 50%;
  transform: translateY(-50%);
  width: min(620px, 51vw);
  z-index: 1;
}

.diagram-halo {
  border: 1px solid #006d5012;
  border-radius: 50%;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.diagram-halo-a { height: 480px; width: 480px; }
.diagram-halo-b { height: 355px; width: 355px; }

.diagram-node,
.diagram-core {
  align-items: center;
  background: #fbfaf7;
  clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0 50%);
  display: flex;
  justify-content: center;
  position: absolute;
}

.diagram-node::before,
.diagram-core::before {
  background: #006d50;
  clip-path: inherit;
  content: "";
  inset: 0;
  position: absolute;
}

.diagram-node::after,
.diagram-core::after {
  background: #fbfaf7;
  clip-path: inherit;
  content: "";
  inset: 2px;
  position: absolute;
}

.diagram-node {
  height: 128px;
  width: 144px;
  z-index: 3;
  animation: diagramNodeBreath 5.2s ease-in-out infinite;
}

.diagram-node::after {
  background: linear-gradient(145deg, #ffffff 0%, #f0f5f1 100%);
  inset: 2px;
}

.node-shell {
  clip-path: inherit;
  inset: 10px;
  overflow: hidden;
  position: absolute;
  z-index: 2;
}

.node-shell::before {
  background:
    radial-gradient(circle at 50% 42%, #006d5012 0 2px, transparent 3px),
    radial-gradient(circle at 50% 42%, transparent 0 28px, #006d5010 29px 30px, transparent 31px),
    linear-gradient(120deg, transparent 48%, #006d500b 49%, transparent 50%);
  content: "";
  inset: 0;
  position: absolute;
}

.node-shell::after {
  border-top: 1px solid #006d5015;
  content: "";
  left: 16px;
  position: absolute;
  right: 16px;
  top: 73px;
}

.node-index {
  color: #7c9c93;
  font-size: 6px;
  font-weight: 750;
  left: 15px;
  letter-spacing: .08em;
  position: absolute;
  top: 11px;
}

.node-icon-main {
  height: 38px;
  left: 50%;
  position: absolute;
  top: 21px;
  transform: translateX(-50%);
  width: 38px;
}

.node-icon-sub {
  background: #bd8b35;
  border: 5px solid #eef4f0;
  border-radius: 50%;
  box-sizing: content-box;
  height: 16px;
  position: absolute;
  right: 17px;
  top: 38px;
  width: 16px;
}

.node-meta {
  bottom: 10px;
  left: 0;
  position: absolute;
  right: 0;
  text-align: center;
}

.node-meta small {
  color: #174f41;
  display: block;
  font-size: 7px;
  font-weight: 760;
  letter-spacing: .15em;
}

.node-meta em {
  color: #8a9690;
  display: block;
  font-size: 5px;
  font-style: normal;
  letter-spacing: .1em;
  margin-top: 4px;
}

.node-top { left: calc(50% - 72px); top: 0; }
.node-right { right: 0; top: calc(50% - 64px); animation-delay: -1.3s; }
.node-bottom { bottom: 0; left: calc(50% - 72px); animation-delay: -2.6s; }
.node-left { left: 0; top: calc(50% - 64px); animation-delay: -3.9s; }

.diagram-icon {
  background: var(--diagram-green);
  display: block;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
}

.icon-monitor { -webkit-mask-image: url('./icons/monitor.svg'); mask-image: url('./icons/monitor.svg'); }
.icon-database { -webkit-mask-image: url('./icons/database.svg'); mask-image: url('./icons/database.svg'); }
.icon-flask { -webkit-mask-image: url('./icons/flask-conical.svg'); mask-image: url('./icons/flask-conical.svg'); }
.icon-bot { -webkit-mask-image: url('./icons/bot.svg'); mask-image: url('./icons/bot.svg'); }
.icon-network { -webkit-mask-image: url('./icons/network.svg'); mask-image: url('./icons/network.svg'); }
.icon-cpu { -webkit-mask-image: url('./icons/cpu.svg'); mask-image: url('./icons/cpu.svg'); }
.icon-sheet { -webkit-mask-image: url('./icons/file-spreadsheet.svg'); mask-image: url('./icons/file-spreadsheet.svg'); }
.icon-dna { -webkit-mask-image: url('./icons/dna.svg'); mask-image: url('./icons/dna.svg'); }
.icon-cog { -webkit-mask-image: url('./icons/cog.svg'); mask-image: url('./icons/cog.svg'); }

.diagram-core {
  filter: drop-shadow(0 22px 44px #034b3a20);
  height: 218px;
  left: calc(50% - 123px);
  top: calc(50% - 109px);
  width: 246px;
  z-index: 4;
  animation: diagramCoreBreath 5.4s ease-in-out infinite;
}

.diagram-core::before { background: var(--diagram-green); }
.diagram-core::after {
  background: linear-gradient(145deg, #ffffff 0%, #eaf2ed 100%);
  inset: 5px;
}

.diagram-core-inner {
  align-items: center;
  background:
    radial-gradient(circle at 50% 44%, #006d5017 0 2px, transparent 3px),
    radial-gradient(circle at 50% 44%, transparent 0 44px, #006d5014 45px 46px, transparent 47px),
    linear-gradient(145deg, #f5f8f5 0%, #e7f0ea 100%);
  clip-path: inherit;
  display: flex;
  flex-direction: column;
  inset: 16px;
  justify-content: center;
  position: absolute;
  z-index: 2;
}

.diagram-core .diagram-icon {
  height: 54px;
  position: relative;
  width: 54px;
  z-index: 2;
}

.core-orbit {
  border: 1px solid #006d5030;
  border-radius: 50%;
  height: 86px;
  left: 50%;
  position: absolute;
  top: 47%;
  transform: translate(-50%, -50%);
  width: 86px;
  animation: coreOrbitRotate 12s linear infinite;
}

.core-orbit::before,
.core-orbit::after {
  border: 1px dashed #bd8b3542;
  border-radius: 50%;
  content: "";
  inset: -9px;
  position: absolute;
}

.core-orbit::after {
  border-color: #006d501c;
  inset: 10px;
}

.core-orbit i,
.core-orbit b {
  background: #bd8b35;
  border-radius: 50%;
  box-shadow: 0 0 10px #bd8b3570;
  height: 6px;
  left: 50%;
  position: absolute;
  top: -3px;
  width: 6px;
}

.core-orbit b {
  bottom: -3px;
  left: auto;
  right: 50%;
  top: auto;
}

.diagram-core small {
  color: var(--diagram-green);
  font-size: 7px;
  font-weight: 740;
  letter-spacing: .13em;
  margin-top: 18px;
}

.diagram-core strong {
  font-size: 11px;
  font-weight: 590;
  letter-spacing: .02em;
  margin-top: 7px;
}

.core-status {
  display: flex;
  gap: 5px;
  margin-top: 10px;
}

.core-status span {
  border: 1px solid #006d5028;
  color: #5c7b72;
  font-size: 4px;
  font-weight: 720;
  letter-spacing: .08em;
  padding: 3px 5px;
}

@keyframes coreOrbitRotate { to { transform: translate(-50%, -50%) rotate(360deg); } }

.diagram-route {
  background: #006d5045;
  position: absolute;
  z-index: 2;
}

.diagram-route::after {
  background: repeating-linear-gradient(90deg, #006d5024 0 5px, transparent 5px 12px);
  content: "";
  inset: -9px 0;
  position: absolute;
}

.diagram-route i,
.diagram-route b {
  background: var(--diagram-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 5px #bd8b3514, 0 0 16px #bd8b3566;
  height: 6px;
  position: absolute;
  width: 6px;
  z-index: 2;
}

.diagram-route b { animation-delay: -1.35s !important; }

.route-top,
.route-bottom {
  height: 64px;
  left: calc(50% - .5px);
  width: 1px;
}

.route-top { top: 128px; }
.route-bottom { bottom: 128px; }

.route-top::after,
.route-bottom::after {
  background: repeating-linear-gradient(0deg, #006d5024 0 5px, transparent 5px 12px);
  inset: 0 -9px;
}

.route-left,
.route-right {
  height: 1px;
  top: calc(50% - .5px);
  width: calc(50% - 267px);
}

.route-left { left: 144px; }
.route-right { right: 144px; }

.route-top i,
.route-top b { left: -2.5px; top: 0; animation: flowDown 2.7s linear infinite; }
.route-bottom i,
.route-bottom b { bottom: 0; left: -2.5px; animation: flowUp 2.7s linear infinite; }
.route-left i,
.route-left b { left: 0; top: -2.5px; animation: flowRight 2.7s linear infinite; }
.route-right i,
.route-right b { right: 0; top: -2.5px; animation: flowLeft 2.7s linear infinite; }

@keyframes flowDown { from { top: 0; opacity: 0; } 12% { opacity: 1; } to { top: calc(100% - 6px); opacity: 0; } }
@keyframes flowUp { from { bottom: 0; opacity: 0; } 12% { opacity: 1; } to { bottom: calc(100% - 6px); opacity: 0; } }
@keyframes flowRight { from { left: 0; opacity: 0; } 12% { opacity: 1; } to { left: calc(100% - 6px); opacity: 0; } }
@keyframes flowLeft { from { right: 0; opacity: 0; } 12% { opacity: 1; } to { right: calc(100% - 6px); opacity: 0; } }

@keyframes diagramNodeBreath {
  0%, 100% { filter: drop-shadow(0 8px 18px #006d500d); transform: translateY(0) scale(1); }
  50% { filter: drop-shadow(0 14px 28px #006d502a); transform: translateY(-2px) scale(1.025); }
}

@keyframes diagramCoreBreath {
  0%, 100% { filter: drop-shadow(0 16px 32px #034b3a14); transform: scale(1); }
  50% { filter: drop-shadow(0 22px 42px #034b3a2e); transform: scale(1.018); }
}

@media (max-width: 1250px) {
  .hero-diagram { right: 12px; transform: translateY(-50%) scale(.9); transform-origin: right center; }
}

@media (max-width: 840px) {
  .hero { height: auto; min-height: 920px; padding-bottom: 500px; }
  .hero-diagram { bottom: 15px; left: 50%; right: auto; top: auto; transform: translateX(-50%) scale(.72); transform-origin: bottom center; width: 620px; }
  .hero-shade { background: linear-gradient(#fbfaf7 0 56%, #fbfaf788 74%, transparent 100%); }
}

@media (prefers-reduced-motion: reduce) {
  .diagram-node, .diagram-core, .core-orbit, .diagram-route i, .diagram-route b { animation: none; }
  .diagram-route i, .diagram-route b { display: none; }
}

/* Reference-inspired linework illustration */
.diagram-halo-a { border-color: #76a89a20; height: 500px; width: 500px; }
.diagram-halo-b { border-color: #bd8b351c; border-style: dashed; height: 330px; width: 330px; }

.diagram-circuits {
  inset: 34px 24px;
  opacity: .72;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.circuit {
  border-color: #76a89a55;
  display: block;
  position: absolute;
}

.circuit::before,
.circuit::after {
  background: #76a89a80;
  border-radius: 50%;
  content: "";
  height: 4px;
  position: absolute;
  width: 4px;
}

.c-l1, .c-l2, .c-l3, .c-r1, .c-r2, .c-r3 { border-top: 1px solid #76a89a55; height: 34px; width: 158px; }
.c-l1, .c-l2, .c-l3 { border-right: 1px solid #76a89a55; }
.c-r1, .c-r2, .c-r3 { border-left: 1px solid #76a89a55; }
.c-l1 { left: 4px; top: 172px; }
.c-l2 { left: 38px; top: 210px; width: 128px; }
.c-l3 { left: 18px; top: 374px; transform: scaleY(-1); }
.c-r1 { right: 4px; top: 172px; }
.c-r2 { right: 38px; top: 210px; width: 128px; }
.c-r3 { right: 18px; top: 374px; transform: scaleY(-1); }
.c-l1::before, .c-l2::before, .c-l3::before { left: -2px; top: -2px; }
.c-l1::after, .c-l2::after, .c-l3::after { bottom: -2px; right: -2px; }
.c-r1::before, .c-r2::before, .c-r3::before { right: -2px; top: -2px; }
.c-r1::after, .c-r2::after, .c-r3::after { bottom: -2px; left: -2px; }

.c-t1, .c-t2, .c-b1, .c-b2 { border-left: 1px solid #76a89a55; height: 116px; width: 34px; }
.c-t1, .c-t2 { border-bottom: 1px solid #76a89a55; }
.c-b1, .c-b2 { border-top: 1px solid #76a89a55; }
.c-t1 { left: 200px; top: 4px; }
.c-t2 { right: 200px; top: 32px; height: 90px; transform: scaleX(-1); }
.c-b1 { bottom: 4px; left: 200px; }
.c-b2 { bottom: 32px; height: 90px; right: 200px; transform: scaleX(-1); }
.c-t1::before, .c-t2::before { left: -2px; top: -2px; }
.c-t1::after, .c-t2::after { bottom: -2px; right: -2px; }
.c-b1::before, .c-b2::before { bottom: -2px; left: -2px; }
.c-b1::after, .c-b2::after { right: -2px; top: -2px; }

.diagram-frame {
  background: #bd8b356f;
  clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0 50%);
  height: 286px;
  left: calc(50% - 161px);
  position: absolute;
  top: calc(50% - 143px);
  width: 322px;
  z-index: 1;
}

.diagram-frame::after {
  background: #fbfaf7ed;
  clip-path: inherit;
  content: "";
  inset: 1px;
  position: absolute;
}

.frame-dot {
  background: #bd8b35;
  border: 3px solid #fbfaf7;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #bd8b3544;
  height: 11px;
  position: absolute;
  width: 11px;
  z-index: 2;
}

.fd-1 { left: calc(25% - 5px); top: calc(6.7% - 5px); }
.fd-2 { right: calc(25% - 5px); top: calc(6.7% - 5px); }
.fd-3 { right: -5px; top: calc(50% - 5px); }
.fd-4 { bottom: calc(6.7% - 5px); right: calc(25% - 5px); }
.fd-5 { bottom: calc(6.7% - 5px); left: calc(25% - 5px); }
.fd-6 { left: -5px; top: calc(50% - 5px); }

.diagram-node {
  background: #fbfaf7;
  filter: drop-shadow(0 10px 18px #174f4113);
}

.diagram-node::before { background: #2b7566; }
.diagram-node::after { background: #fbfaf7; inset: 2px; }

.scene {
  inset: 17px 21px;
  position: absolute;
  z-index: 3;
}

.scene::before {
  background: radial-gradient(circle, #2f718112 0 1px, transparent 1.5px);
  background-size: 9px 9px;
  content: "";
  inset: 0;
  opacity: .42;
  position: absolute;
}

.scene img {
  filter: invert(34%) sepia(20%) saturate(1005%) hue-rotate(114deg) brightness(92%) contrast(91%);
  object-fit: contain;
  position: absolute;
}

.scene-pc img:first-child { height: 64px; left: 14px; top: 2px; width: 70px; }
.scene-pc img:last-child { bottom: 6px; height: 23px; right: 21px; width: 23px; }
.scene-data img:first-child { bottom: 3px; height: 36px; left: 18px; width: 36px; }
.scene-data img:last-child { height: 50px; right: 12px; top: 2px; width: 50px; }
.scene-science img:first-child { height: 72px; left: 6px; top: 7px; width: 72px; }
.scene-science img:last-child { bottom: 8px; height: 31px; right: 7px; width: 31px; }
.scene-device img:first-child { height: 66px; left: 9px; top: 6px; width: 66px; }
.scene-device img:last-child { bottom: 5px; height: 29px; right: 10px; width: 29px; }

.diagram-core {
  filter: drop-shadow(0 18px 34px #034b3a1c);
}

.diagram-core::before { background: #006d50; }
.diagram-core::after { background: #fbfaf7; inset: 6px; }

.diagram-core-inner {
  background: #fbfaf7;
  inset: 16px;
}

.diagram-core-inner::before,
.diagram-core-inner::after {
  clip-path: inherit;
  content: "";
  position: absolute;
}

.diagram-core-inner::before { background: #65a395; inset: 0; }
.diagram-core-inner::after { background: #f7faf7; inset: 2px; }

.core-network {
  height: 132px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  z-index: 3;
}

.net-line {
  background: #267160b5;
  height: 1px;
  position: absolute;
  transform-origin: 0 50%;
}

.nl-1 { left: 65px; top: 8px; transform: rotate(144deg); width: 48px; }
.nl-2 { left: 65px; top: 8px; transform: rotate(36deg); width: 48px; }
.nl-3 { left: 65px; top: 8px; transform: rotate(90deg); width: 116px; }
.nl-4 { left: 25px; top: 36px; width: 80px; }
.nl-5 { left: 25px; top: 36px; transform: rotate(26deg); width: 45px; }
.nl-6 { left: 105px; top: 36px; transform: rotate(154deg); width: 45px; }
.nl-7 { left: 25px; top: 36px; transform: rotate(90deg); width: 42px; }
.nl-8 { left: 105px; top: 36px; transform: rotate(90deg); width: 42px; }
.nl-9 { left: 65px; top: 57px; transform: rotate(153deg); width: 45px; }
.nl-10 { left: 65px; top: 57px; transform: rotate(27deg); width: 45px; }
.nl-11 { left: 25px; top: 78px; width: 80px; }
.nl-12 { left: 25px; top: 78px; transform: rotate(50deg); width: 61px; }
.nl-13 { left: 105px; top: 78px; transform: rotate(130deg); width: 61px; }
.nl-14 { left: 25px; top: 114px; transform: rotate(-55deg); width: 69px; }
.nl-15 { left: 105px; top: 114px; transform: rotate(-125deg); width: 69px; }
.nl-16 { left: 25px; top: 114px; width: 80px; }
.nl-17 { left: 25px; top: 114px; transform: rotate(14deg); width: 41px; }
.nl-18 { left: 65px; top: 124px; transform: rotate(-14deg); width: 41px; }

.net-node {
  background: #006d50;
  border: 2px solid #dcece5;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #006d5017;
  height: 13px;
  position: absolute;
  transform: translate(-50%, -50%);
  width: 13px;
  z-index: 2;
  animation: networkNodePulse 3.6s ease-in-out infinite;
}

.nn-a { left: 65px; top: 8px; }
.nn-b { animation-delay: -.4s; left: 25px; top: 36px; }
.nn-c { animation-delay: -.8s; left: 105px; top: 36px; }
.nn-d { animation-delay: -1.2s; left: 65px; top: 57px; }
.nn-e { animation-delay: -1.6s; left: 25px; top: 78px; }
.nn-f { animation-delay: -2s; left: 105px; top: 78px; }
.nn-g { animation-delay: -2.4s; left: 25px; top: 114px; }
.nn-h { animation-delay: -2.8s; left: 65px; top: 124px; }
.nn-i { animation-delay: -3.2s; left: 105px; top: 114px; }

.diagram-route::before {
  color: #9b7b36;
  font-size: 7px;
  letter-spacing: 3px;
  position: absolute;
  white-space: nowrap;
}

.route-left::before { content: "› › ›"; left: 12px; top: -13px; }
.route-right::before { content: "‹ ‹ ‹"; right: 9px; top: -13px; }
.route-top::before { content: "› › ›"; left: 7px; top: 18px; transform: rotate(90deg); transform-origin: left top; }
.route-bottom::before { bottom: 18px; content: "‹ ‹ ‹"; left: 7px; transform: rotate(90deg); transform-origin: left bottom; }

@keyframes networkNodePulse {
  0%, 100% { box-shadow: 0 0 0 2px #006d5015; transform: translate(-50%, -50%) scale(.92); }
  50% { box-shadow: 0 0 0 5px #006d5012, 0 0 13px #006d5040; transform: translate(-50%, -50%) scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .net-node { animation: none; }
}

/* Spacing refinement: clearer hierarchy and more breathing room */
.diagram-halo-a {
  border-color: #76a89a16;
  height: 520px;
  width: 520px;
}

.diagram-halo-b { display: none; }

.diagram-circuits { opacity: .32; }
.c-l2, .c-r2, .c-t2, .c-b2 { display: none; }

.diagram-frame {
  height: 230px;
  left: calc(50% - 130px);
  top: calc(50% - 115px);
  width: 260px;
}

.diagram-node {
  height: 112px;
  width: 126px;
}

.node-top { left: calc(50% - 63px); top: 2px; }
.node-right { right: 0; top: calc(50% - 56px); }
.node-bottom { bottom: 2px; left: calc(50% - 63px); }
.node-left { left: 0; top: calc(50% - 56px); }

.scene {
  inset: 13px 17px;
  transform: scale(.85);
  transform-origin: center;
}

.diagram-core {
  height: 176px;
  left: calc(50% - 99px);
  top: calc(50% - 88px);
  width: 198px;
}

.diagram-core::after { inset: 3px; }
.diagram-core-inner { inset: 12px; }
.diagram-core-inner::after { inset: 1px; }

.core-network {
  transform: translate(-50%, -50%) scale(.82);
}

.route-top,
.route-bottom { height: 98px; }
.route-top { top: 114px; }
.route-bottom { bottom: 114px; }

.route-left,
.route-right { width: calc(50% - 225px); }
.route-left { left: 126px; }
.route-right { right: 126px; }

.diagram-route::after { opacity: .56; }
.frame-dot { transform: scale(.82); }

@media (max-width: 840px) {
  .diagram-frame { height: 230px; left: calc(50% - 130px); top: calc(50% - 115px); width: 260px; }
}

/* Compact recognition section */
.proof-compact {
  background: #fbfaf7;
  color: #0a0e0c;
  display: grid;
  gap: 70px;
  grid-template-columns: .72fr 1.28fr;
  padding: 78px 70px 82px;
}

.proof-compact-heading h2 {
  font-size: clamp(38px, 3.4vw, 52px);
  font-weight: 520;
  letter-spacing: -.04em;
  line-height: 1.12;
  margin: 0;
}

.proof-compact-heading > p:last-child {
  color: #707974;
  font-size: 12px;
  line-height: 1.7;
  margin: 23px 0 0;
}

.endorsement-strip {
  border-bottom: 1px solid #cfd6d1;
  border-top: 1px solid #cfd6d1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.endorsement {
  align-items: center;
  display: grid;
  gap: 24px;
  grid-template-columns: 118px 1fr;
  min-height: 210px;
  padding: 24px 28px 24px 0;
}

.endorsement + .endorsement {
  border-left: 1px solid #cfd6d1;
  padding-left: 28px;
}

.endorsement-logo {
  align-items: center;
  display: flex;
  height: 86px;
  justify-content: center;
  overflow: hidden;
  position: relative;
  width: 112px;
}

.pku-logo-crop img {
  height: 86px;
  left: 8px;
  max-width: none;
  position: absolute;
  top: 0;
  width: auto;
}

.jd-logo-crop {
  background: #fff;
  width: 120px;
}

.jd-logo-crop img {
  height: auto;
  left: -71px;
  max-width: none;
  position: absolute;
  top: -51px;
  width: 270px;
}

.endorsement-copy small {
  color: #006d50;
  font-size: 7px;
  font-weight: 740;
  letter-spacing: .12em;
}

.endorsement-copy h3 {
  font-size: 19px;
  font-weight: 560;
  letter-spacing: -.02em;
  line-height: 1.3;
  margin: 15px 0 0;
}

.endorsement-copy p {
  color: #717a75;
  font-size: 10px;
  line-height: 1.6;
  margin: 10px 0 0;
}

@media (max-width: 1000px) {
  .proof-compact { grid-template-columns: 1fr; gap: 40px; padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 720px) {
  .endorsement-strip { grid-template-columns: 1fr; }
  .endorsement + .endorsement { border-left: 0; border-top: 1px solid #cfd6d1; padding-left: 0; }
}

/* Four-item compact recognition layout */
.proof-compact {
  display: block;
  padding: 66px 70px 72px;
}

.proof-compact-heading {
  align-items: start;
  display: grid;
  gap: 40px;
  grid-template-columns: .45fr 1fr .7fr;
  margin-bottom: 40px;
}

.proof-compact-heading .section-label { margin-top: 8px; }
.proof-compact-heading > p:last-child { margin: 7px 0 0; }

.endorsement-strip {
  grid-template-columns: repeat(4, 1fr);
}

.endorsement {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 226px;
  padding: 26px 24px 27px;
}

.endorsement + .endorsement { padding-left: 24px; }

.endorsement-logo {
  height: 72px;
  justify-content: flex-start;
  margin-bottom: 24px;
  width: 176px;
}

.pku-logo-crop {
  height: 76px;
  width: 82px;
  background: transparent;
}

.pku-logo-crop img {
  height: 76px;
  left: 0;
  top: 0;
  mix-blend-mode: multiply;
}

.jd-logo-crop {
  height: 52px;
  width: 176px;
  background: transparent;
}

.jd-logo-crop img {
  left: -84px;
  top: -64px;
  width: 330px;
  mix-blend-mode: multiply;
}

.cctv-logo-compact img {
  height: 66px;
  max-width: 155px;
  object-fit: contain;
  object-position: left center;
}

.aws-logo-compact img {
  height: 62px;
  max-width: 135px;
  object-fit: contain;
  object-position: left center;
}

.endorsement-copy h3 {
  font-size: 17px;
  min-height: 44px;
}

.proof-compact .ecosystem-wall {
  margin-top: 54px;
  padding-top: 25px;
}

.proof-compact .ecosystem-heading {
  align-items: center;
}

.proof-compact .ecosystem-heading .section-label {
  margin: 0;
}

.proof-compact .logo-wall {
  grid-template-columns: repeat(7, minmax(108px, 1fr));
  margin-top: 25px;
  overflow-x: auto;
}

.proof-compact .logo-wall figure {
  height: 116px;
  padding: 20px 16px;
}

.proof-compact .logo-wall img {
  height: 36px;
  max-width: 88px;
}

.proof-compact .logo-wall figcaption {
  margin-top: 12px;
}

@media (max-width: 1180px) {
  .endorsement-strip { grid-template-columns: repeat(2, 1fr); }
  .endorsement:nth-child(3) { border-left: 0; border-top: 1px solid #cfd6d1; }
  .endorsement:nth-child(4) { border-top: 1px solid #cfd6d1; }
}

@media (max-width: 760px) {
  .proof-compact { padding-left: 24px; padding-right: 24px; }
  .proof-compact-heading { grid-template-columns: 1fr; gap: 15px; }
  .endorsement-strip { grid-template-columns: 1fr; }
  .endorsement + .endorsement { border-left: 0; border-top: 1px solid #cfd6d1; }
  .proof-compact .ecosystem-heading { align-items: flex-start; gap: 12px; flex-direction: column; }
}

/* Typography rhythm and responsive line breaking */
:where(h1, h2, h3) {
  line-break: strict;
  text-wrap: balance;
}

:where(p, .timeline-copy > span, .endorsement-copy p) {
  line-break: strict;
  text-wrap: pretty;
}

.type-lock,
.section-label,
.endorsement-copy small,
.product-number,
.product-tags span,
.logo-wall figcaption {
  white-space: nowrap;
}

@media (min-width: 1181px) {
  .growth-story {
    gap: clamp(64px, 6vw, 110px);
    grid-template-columns: minmax(470px, .84fr) minmax(600px, 1.16fr);
  }

  .growth-intro h2 {
    font-size: clamp(50px, 4.25vw, 64px);
    max-width: 520px;
  }
}

@media (max-width: 1100px) {
  .product-heading {
    display: grid;
    gap: 24px;
    grid-template-columns: 1fr;
    margin-bottom: 48px;
  }

  .product-heading .section-label { margin-bottom: 0; }
  .product-heading h2 { max-width: 820px; }
  .product-heading h2 br { display: none; }

  .proof-compact-heading {
    gap: 15px;
    grid-template-columns: 1fr;
  }

  .proof-compact-heading .section-label { margin: 0; }
  .proof-compact-heading > p:last-child { max-width: 560px; }

  .proof-compact .logo-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: visible;
  }

  .proof-compact .logo-wall figure:nth-child(4n + 1) { border-left: 0; }
  .proof-compact .logo-wall figure:nth-child(n + 5) { border-top: 1px solid #cdd4cf; }
}

@media (max-width: 900px) {
  .products { padding-left: 24px; padding-right: 24px; }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-grid .product,
  .product-grid .product + .product {
    min-height: 520px;
    padding: 30px 0;
  }

  .product-grid .product + .product {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .product-grid h3 { text-wrap: balance; }

  .contact-light h2 br { display: none; }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr auto;
    height: 66px;
    padding: 0 24px;
  }

  .site-header nav { display: none; }

  .hero {
    align-items: flex-start;
    contain: paint;
    min-height: 820px;
    overflow: clip;
    padding: 96px 24px 360px;
  }

  .hero-copy {
    margin-left: 0;
    max-width: none;
    width: 100%;
  }

  .hero .eyebrow {
    font-size: 11px;
    line-height: 1.45;
    max-width: 300px;
  }

  .hero-brand { font-size: 54px; }
  .hero-category { font-size: 34px; line-height: 1.15; margin-top: 24px; }
  .hero-lead { font-size: 16px; line-height: 1.7; margin-top: 24px; }

  .hero-actions {
    flex-wrap: wrap;
    gap: 12px 22px;
    margin-top: 25px;
  }

  .hero-capability strong { line-height: 1.6; }
  .hero-diagram { bottom: -34px; }

  .growth-intro h2 {
    font-size: 40px;
    line-height: 1.15;
  }

  .products { padding-bottom: 72px; padding-top: 72px; }
  .product-heading h2 { font-size: 44px; line-height: 1.14; }
  .product-grid h3 { font-size: 34px; }
  .product-media figcaption { white-space: nowrap; }

  .proof-compact { padding-bottom: 64px; padding-top: 58px; }
  .proof-compact-heading h2 { font-size: 38px; }

  .proof-compact .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-compact .logo-wall figure:nth-child(odd) { border-left: 0; }
  .proof-compact .logo-wall figure:nth-child(even) { border-left: 1px solid #cdd4cf; }
  .proof-compact .logo-wall figure:nth-child(n + 3) { border-top: 1px solid #cdd4cf; }

  .contact-light {
    padding-bottom: 78px;
    padding-top: 76px;
  }

  .contact-light h2 { font-size: 42px; line-height: 1.15; }

  footer {
    gap: 8px 18px;
    grid-template-columns: 1fr auto;
    min-height: 96px;
    padding: 18px 24px;
  }

  footer strong { grid-column: 1; grid-row: 1; }
  footer small { grid-column: 2; grid-row: 1; }
  footer span { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 440px) {
  .wordmark span { display: none; }
  .header-link { font-size: 12px; }

  .hero-brand { font-size: 50px; }
  .hero-category { font-size: 32px; }
  .hero-diagram { transform: translateX(-50%) scale(.58); }

  .timeline-item {
    grid-template-columns: 58px 40px minmax(0, 1fr);
  }

  .timeline-line { left: 79px; }
  .timeline-node { margin-left: 13px; }
  .timeline-copy h3 { font-size: 31px; }

  .product-heading h2 { font-size: 40px; }
  .product-grid h3 { font-size: 32px; }

  .endorsement { padding-left: 0; padding-right: 0; }
  .endorsement + .endorsement { padding-left: 0; }

  .contact-secondary { grid-template-columns: 1fr; }
  .contact-secondary a + a { border-left: 0; padding-left: 0; }

  footer span { font-size: 9px; }
}
