:root {
  --hb-brand: #0077be;
  --hb-electric-blue: #165dff;
  --hb-cyan: #00c2ff;
  --hb-anchor-blue: #105a7a;
  --hb-bg: #f6fafd;
  --hb-bg-soft: #eaf6fc;
  --hb-card: #ffffff;
  --hb-border: #d5e6ef;
  --hb-text: #16313f;
  --hb-text-secondary: #5c7480;
  --hb-charging: #ff9a2f;
  --hb-energy: #29d982;
  --deep: var(--hb-anchor-blue);
  --deep-start: #0d4b67;
  --deep-2: #0d6c98;
  --blue: #0077be;
  --action: #165dff;
  --cyan: #00c2ff;
  --silver: #a7c1cf;
  --bg: #f6fafd;
  --bg-soft: #eaf6fc;
  --white: #ffffff;
  --text: #16313f;
  --muted: #5c7480;
  --weak: #7f9aa8;
  --line: #d5e6ef;
  --orange: #ff9a2f;
  --energy: #29d982;
  --shadow: 0 10px 32px rgba(12, 91, 130, 0.08);
  --max: 1220px;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  padding: 14px clamp(18px, 4vw, 54px);
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(213, 230, 239, 0.8);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 34px rgba(12, 91, 130, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
}

.brand-logo {
  display: block;
  width: auto;
  height: 42px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--text);
  font-size: 14px;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover {
  color: var(--blue);
}

.header-actions,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary,
.btn-solid {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--action));
  box-shadow: 0 8px 22px rgba(22, 93, 255, 0.24);
}

.btn-primary:hover,
.btn-solid:hover {
  background: linear-gradient(135deg, #0068a7, #0f4ed8);
  box-shadow: 0 12px 30px rgba(22, 93, 255, 0.3);
}

.btn-secondary {
  color: var(--deep);
  background: var(--white);
  border-color: rgba(200, 211, 220, 0.8);
}

.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--blue);
}

.btn-ghost {
  color: var(--blue);
  border-color: rgba(0, 119, 190, 0.28);
  background: rgba(255, 255, 255, 0.62);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.76);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.section {
  position: relative;
  padding: clamp(42px, 5vw, 66px) clamp(18px, 4vw, 54px);
  overflow: hidden;
}

.section-dark {
  color: var(--white);
  background:
    radial-gradient(circle at 78% 38%, rgba(0, 194, 255, 0.24) 0%, rgba(0, 194, 255, 0) 38%),
    linear-gradient(120deg, rgba(16, 90, 122, 0.98), rgba(0, 119, 190, 0.86)),
    linear-gradient(90deg, transparent 0, transparent 49px, rgba(200, 211, 220, 0.04) 50px);
}

.hero.section-dark {
  background:
    radial-gradient(circle at 78% 38%, rgba(0, 194, 255, 0.46) 0%, rgba(0, 194, 255, 0) 35%),
    linear-gradient(125deg, #105a7a 0%, #0077be 46%, #165dff 100%),
    linear-gradient(90deg, transparent 0, transparent 49px, rgba(200, 211, 220, 0.04) 50px);
}

.section-tint {
  background: var(--bg-soft);
}

.hero {
  position: relative;
  min-height: 760px;
  padding-right: clamp(18px, 4vw, 54px);
  padding-left: clamp(18px, 4vw, 54px);
  padding-top: clamp(74px, 11vw, 128px);
  padding-bottom: clamp(72px, 9vw, 112px);
  overflow: hidden;
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border-radius: 999px;
}

.hero::before {
  right: -8%;
  top: 16%;
  width: min(46vw, 680px);
  height: min(46vw, 680px);
  background: radial-gradient(circle, rgba(41, 217, 130, 0.28), rgba(0, 194, 255, 0.16) 38%, transparent 68%);
  filter: blur(8px);
  animation: energy-drift 10s ease-in-out infinite alternate;
}

.hero::after {
  left: 8%;
  bottom: 12%;
  width: 340px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(41, 217, 130, 0.76), rgba(0, 194, 255, 0.7), transparent);
  opacity: 0.7;
  animation: energy-line 3.6s ease-in-out infinite;
}

.hero-grid,
.split,
.contact-grid,
.footer-grid,
.case-layout {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: clamp(42px, 7vw, 84px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0 auto 12px;
  padding: 0 12px;
  color: var(--blue);
  border: 1px solid rgba(0, 119, 190, 0.18);
  border-radius: 999px;
  background: rgba(234, 246, 252, 0.82);
  font-size: 12px;
  font-weight: 700;
}

.section-dark .section-head .eyebrow {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(90deg, var(--white) 0%, var(--cyan) 56%, var(--white) 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.32;
}

.hero-lede {
  max-width: 680px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.role-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.role-pill {
  min-height: 36px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(200, 211, 220, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.role-pill.is-active {
  color: var(--deep);
  background: var(--white);
}

.role-note {
  min-height: 28px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.74);
}

.hero-copy,
.hero-visual {
  min-width: 0;
}

.platform-card {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 50px rgba(0, 68, 120, 0.18);
  backdrop-filter: blur(14px);
  animation: panel-float 6.8s ease-in-out infinite;
}

.platform-card::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0%, rgba(255, 255, 255, 0.16) 45%, rgba(41, 217, 130, 0.12) 50%, transparent 58%);
  transform: translateX(-120%);
  animation: panel-scan 5.8s ease-in-out infinite;
}

.map-panel {
  position: relative;
  max-width: 100%;
  min-width: 0;
  min-height: 460px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    radial-gradient(circle at 50% 45%, rgba(0, 194, 255, 0.28), transparent 42%),
    rgba(16, 90, 122, 0.18);
  background-size: 44px 44px, 44px 44px, auto, auto;
  animation: grid-flow 9s linear infinite;
}

.map-road {
  position: absolute;
  inset: 18% 10%;
  border: 1px solid rgba(200, 211, 220, 0.18);
  border-radius: 50%;
}

.map-road::before,
.map-road::after {
  position: absolute;
  content: "";
  inset: 18%;
  border: 1px dashed rgba(0, 194, 255, 0.52);
  border-radius: 50%;
  animation: rotate 28s linear infinite;
}

.map-road::after {
  inset: 32%;
  animation-duration: 22s;
  animation-direction: reverse;
}

.hub,
.node,
.charge-status {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
}

.hub {
  top: 50%;
  left: 50%;
  width: 172px;
  height: 128px;
  padding: 18px;
  text-align: center;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  box-shadow: 0 18px 45px rgba(0, 119, 190, 0.16);
}

.hub strong {
  display: block;
  z-index: 1;
  font-size: 18px;
}

.hub small {
  z-index: 1;
  color: var(--muted);
  font-size: 12px;
}

.hub-ring {
  position: absolute;
  width: 118px;
  height: 118px;
  border: 1px solid rgba(18, 107, 138, 0.18);
  border-radius: 50%;
  animation: hub-pulse 3.2s ease-in-out infinite;
}

.node {
  width: 84px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 68, 120, 0.14);
  animation: node-breathe 4s ease-in-out infinite;
}

.node::after {
  position: absolute;
  content: "";
  width: 110px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--energy), var(--cyan), transparent);
  opacity: 0.8;
  animation: connector-flow 2.8s ease-in-out infinite;
}

.node-car {
  top: 18%;
  left: 12%;
}

.node-pile {
  top: 20%;
  right: 13%;
}

.node-place {
  bottom: 18%;
  left: 15%;
}

.node-station {
  right: 12%;
  bottom: 17%;
}

.node-car::after,
.node-place::after {
  right: -100px;
}

.node-pile::after,
.node-station::after {
  left: -100px;
}

.charge-status {
  right: 24px;
  top: 24px;
  grid-template-columns: auto 1fr;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  color: var(--white);
  border: 1px solid rgba(242, 140, 40, 0.36);
  background: rgba(242, 140, 40, 0.12);
  font-size: 13px;
  font-weight: 800;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(242, 140, 40, 0.14);
  animation: charge-dot 1.8s ease-in-out infinite;
}

.data-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(200, 211, 220, 0.18);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.data-strip span {
  min-width: 0;
  padding: 18px 12px;
  text-align: center;
  color: rgba(255, 255, 255, 0.78);
  border-right: 1px solid rgba(200, 211, 220, 0.14);
  font-size: 13px;
}

.data-strip span:last-child {
  border-right: 0;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.section-dark .section-head p:not(.eyebrow),
.compact-dark .section-head p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.74);
}

.align-left {
  margin-left: 0;
  text-align: left;
}

.align-left .eyebrow {
  margin-left: 0;
}

.audience-grid,
.capability-grid,
.mode-grid,
.knowledge-grid {
  display: grid;
  width: min(100%, var(--max));
  margin: 0 auto;
  gap: 18px;
}

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

.audience-card,
.scene-card,
.case-card,
.case-notes,
.knowledge-card,
.entity-card,
.lead-form {
  --card-accent: var(--blue);
  --card-delay: 0s;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
  animation: content-card-float 7.2s ease-in-out infinite;
  animation-delay: var(--card-delay);
  will-change: transform;
}

.audience-card::after,
.scene-card::after,
.case-card::after,
.case-notes::after,
.knowledge-card::after,
.entity-card::after,
.capability-item::after,
.mode-card::after {
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--card-accent), rgba(0, 194, 255, 0.72), transparent);
  opacity: 0;
  transform: translateX(-24%);
  transition: opacity 0.2s ease;
  animation: card-energy 4.8s ease-in-out infinite;
}

.audience-card:hover,
.scene-card:hover,
.case-card:hover,
.case-notes:hover,
.knowledge-card:hover,
.entity-card:hover {
  transform: translateY(-8px) scale(1.012);
  border-color: color-mix(in srgb, var(--card-accent) 52%, var(--line));
  box-shadow: 0 22px 58px rgba(0, 119, 190, 0.16), 0 0 0 1px color-mix(in srgb, var(--card-accent) 18%, transparent);
  background:
    radial-gradient(circle at 80% 14%, color-mix(in srgb, var(--card-accent) 13%, transparent), transparent 34%),
    var(--white);
}

.audience-card:hover::after,
.scene-card:hover::after,
.case-card:hover::after,
.case-notes:hover::after,
.knowledge-card:hover::after,
.entity-card:hover::after,
.capability-item:hover::after,
.mode-card:hover::after {
  opacity: 1;
}

.audience-card {
  --card-accent: var(--blue);
  padding: 26px;
}

.audience-card:nth-child(2),
.capability-item:nth-child(2),
.scene-card:nth-child(2),
.mode-card:nth-child(2),
.knowledge-card:nth-child(2),
.entity-card:nth-child(2) {
  --card-delay: 0.18s;
}

.audience-card:nth-child(3),
.capability-item:nth-child(3),
.scene-card:nth-child(3),
.mode-card:nth-child(3),
.knowledge-card:nth-child(3),
.entity-card:nth-child(3) {
  --card-delay: 0.36s;
}

.audience-card:nth-child(4),
.capability-item:nth-child(4),
.scene-card:nth-child(4),
.mode-card:nth-child(4),
.knowledge-card:nth-child(4),
.entity-card:nth-child(4) {
  --card-delay: 0.54s;
}

.audience-card p,
.scene-card p,
.mode-card p,
.case-notes p,
.entity-card p,
.knowledge-card span {
  color: var(--muted);
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 30px;
  margin-bottom: 22px;
  color: var(--blue);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 800;
  background: var(--bg-soft);
}

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

.capability-item {
  --card-accent: var(--energy);
  --card-delay: 0s;
  position: relative;
  overflow: hidden;
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.88)),
    linear-gradient(135deg, rgba(0, 119, 190, 0.08), rgba(0, 194, 255, 0.08));
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
  animation: content-card-float 7.4s ease-in-out infinite;
  animation-delay: var(--card-delay);
  will-change: transform;
}

.capability-item:hover {
  transform: translateY(-8px) scale(1.012);
  border-color: rgba(41, 217, 130, 0.48);
  background:
    radial-gradient(circle at 78% 10%, rgba(41, 217, 130, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 253, 0.94)),
    linear-gradient(135deg, rgba(0, 119, 190, 0.1), rgba(41, 217, 130, 0.12));
  box-shadow: 0 22px 58px rgba(0, 119, 190, 0.15), 0 0 0 1px rgba(41, 217, 130, 0.18);
}

.capability-item strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
}

.capability-item span {
  color: var(--muted);
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 80px);
  align-items: start;
}

.text-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--blue);
  font-weight: 800;
}

.text-link:hover {
  color: var(--action);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.scene-card {
  --card-accent: var(--cyan);
  min-height: 150px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.scene-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

.compact-dark {
  padding-top: 92px;
  padding-bottom: 96px;
}

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

.mode-card {
  --card-accent: var(--action);
  --card-delay: 0s;
  position: relative;
  overflow: hidden;
  min-height: 372px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
  animation: content-card-float 7.6s ease-in-out infinite;
  animation-delay: var(--card-delay);
  will-change: transform;
}

.mode-card:hover {
  transform: translateY(-8px) scale(1.012);
  border-color: rgba(22, 93, 255, 0.46);
  background:
    radial-gradient(circle at 78% 12%, rgba(22, 93, 255, 0.13), transparent 34%),
    var(--white);
  box-shadow: 0 22px 58px rgba(0, 119, 190, 0.16), 0 0 0 1px rgba(22, 93, 255, 0.14);
}

.mode-card span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--white);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue), var(--action));
  font-weight: 900;
}

.mode-card p,
.mode-card li {
  color: var(--muted);
}

.mode-card ul,
.case-notes ul {
  padding-left: 18px;
  margin-bottom: 0;
}

.mode-card li,
.case-notes li {
  margin-bottom: 8px;
}

.flow-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: flow;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  isolation: isolate;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.flow-list::before,
.flow-list::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.flow-list::before {
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(115deg, transparent 0%, rgba(0, 194, 255, 0.14) 42%, rgba(41, 217, 130, 0.22) 50%, transparent 62%),
    linear-gradient(90deg, transparent, rgba(0, 194, 255, 0.08), transparent);
  opacity: 0;
  transform: translateX(-55%);
  transition: opacity 0.25s ease;
}

.flow-list::after {
  left: 6%;
  right: 6%;
  top: 50%;
  z-index: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(41, 217, 130, 0.85), rgba(0, 194, 255, 0.9), transparent);
  opacity: 0;
  transform: translateY(-50%) scaleX(0.2);
  transform-origin: left center;
}

.flow-list:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 194, 255, 0.55);
  box-shadow: 0 24px 70px rgba(0, 119, 190, 0.18), 0 0 0 1px rgba(41, 217, 130, 0.18);
}

.flow-list:hover::before {
  opacity: 1;
  animation: flow-panel-scan 2.8s ease-in-out infinite;
}

.flow-list:hover::after {
  opacity: 1;
  animation: flow-energy-line 1.9s ease-in-out infinite;
}

.flow-list li {
  --flow-accent: var(--energy);
  --flow-delay: 0s;
  position: relative;
  display: grid;
  gap: 12px;
  min-height: 132px;
  align-content: center;
  justify-items: center;
  padding: 20px 12px;
  text-align: center;
  border-right: 1px solid var(--line);
  color: var(--text);
  font-weight: 800;
  z-index: 2;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.24s ease, background 0.24s ease, box-shadow 0.24s ease, color 0.24s ease;
  animation: flow-step-float 5.8s ease-in-out infinite;
  animation-delay: var(--flow-delay);
  will-change: transform;
}

.flow-list li::before,
.flow-list li::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.flow-list li::before {
  inset: 0;
  background:
    radial-gradient(circle at 50% 34%, color-mix(in srgb, var(--flow-accent) 18%, transparent), transparent 34%),
    linear-gradient(180deg, rgba(0, 194, 255, 0.08), transparent);
  opacity: 0;
  transition: opacity 0.24s ease;
}

.flow-list li::after {
  top: 0;
  bottom: 0;
  width: 44px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.48), transparent);
  opacity: 0;
  transform: translateX(-120%);
}

.flow-list li:hover {
  transform: translateY(-11px) scale(1.035);
  color: #083043;
  background:
    radial-gradient(circle at 50% 28%, color-mix(in srgb, var(--flow-accent) 18%, transparent), transparent 36%),
    rgba(246, 250, 253, 0.98);
  box-shadow: 0 20px 42px rgba(0, 119, 190, 0.17), 0 0 0 1px color-mix(in srgb, var(--flow-accent) 24%, transparent);
}

.flow-list li:hover::before {
  opacity: 1;
}

.flow-list li:hover::after {
  opacity: 1;
  animation: flow-item-sheen 1.15s ease-out;
}

.flow-list li:last-child {
  border-right: 0;
}

.flow-list li:nth-child(1) {
  --flow-accent: var(--energy);
  --flow-delay: 0s;
}

.flow-list li:nth-child(2) {
  --flow-accent: var(--cyan);
  --flow-delay: 0.16s;
}

.flow-list li:nth-child(3) {
  --flow-accent: var(--blue);
  --flow-delay: 0.32s;
}

.flow-list li:nth-child(4) {
  --flow-accent: var(--action);
  --flow-delay: 0.48s;
}

.flow-list li:nth-child(5) {
  --flow-accent: #00b880;
  --flow-delay: 0.64s;
}

.flow-list li:nth-child(6) {
  --flow-accent: #00a6d6;
  --flow-delay: 0.8s;
}

.flow-list li:nth-child(7) {
  --flow-accent: var(--orange);
  --flow-delay: 0.96s;
}

.flow-list span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--action));
  font-size: 14px;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.flow-list li:hover span {
  transform: scale(1.12);
  background: linear-gradient(135deg, var(--flow-accent), var(--cyan), var(--action));
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--flow-accent) 14%, transparent), 0 10px 24px rgba(0, 119, 190, 0.22);
}

.case-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.case-card {
  --card-accent: var(--orange);
  overflow: hidden;
}

.case-notes {
  --card-accent: var(--energy);
}

.placeholder-photo {
  display: grid;
  min-height: 280px;
  place-items: center;
  color: var(--muted);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(135deg, #dce6ec, #f4f8fa);
  background-size: 28px 28px, 28px 28px, auto;
  font-weight: 800;
}

.case-body {
  padding: 28px;
}

.case-body dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
}

.case-body div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.case-body dt {
  color: var(--weak);
  font-size: 13px;
}

.case-body dd {
  margin: 2px 0 0;
  font-weight: 800;
}

.case-notes {
  padding: 28px;
}

.knowledge-grid {
  grid-template-columns: repeat(3, 1fr);
}

.knowledge-card {
  --card-accent: var(--blue);
  display: grid;
  gap: 10px;
  min-height: 142px;
  padding: 24px;
}

.knowledge-card:hover {
  border-color: color-mix(in srgb, var(--card-accent) 52%, var(--line));
}

.entity-list {
  display: grid;
  gap: 16px;
}

.entity-card {
  --card-accent: var(--cyan);
  padding: 24px;
}

.contact-section {
  background:
    radial-gradient(circle at 78% 28%, rgba(0, 194, 255, 0.24), rgba(0, 194, 255, 0) 34%),
    linear-gradient(125deg, rgba(16, 90, 122, 0.98), rgba(0, 119, 190, 0.9)),
    var(--deep);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(34px, 6vw, 76px);
  align-items: start;
}

.contact-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.mini-program {
  display: grid;
  gap: 8px;
  max-width: 300px;
  margin-top: 30px;
  padding: 18px;
  border: 1px dashed rgba(200, 211, 220, 0.4);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.72);
}

.mini-program strong {
  color: var(--white);
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 26px;
  color: var(--text);
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  background: var(--white);
  outline: 0;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.14);
}

.form-wide {
  grid-column: 1 / -1;
}

.form-status {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.site-footer {
  padding: 46px clamp(18px, 4vw, 54px) 34px;
  color: rgba(255, 255, 255, 0.72);
  background: #105a7a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 36px;
}

.footer-brand {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
}

.footer-logo {
  height: 54px;
}

.footer-slogan {
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.site-footer h2 {
  margin: 0 0 12px;
  color: var(--white);
  font-size: 16px;
}

.site-footer a:not(.brand) {
  display: block;
  margin-bottom: 8px;
}

.footer-records {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  width: min(100%, var(--max));
  margin: 26px auto 0;
  padding-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
}

.footer-records span {
  display: inline-flex;
  align-items: center;
}

.mobile-bar {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 18;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.mobile-bar a {
  padding: 13px 8px;
  text-align: center;
  color: var(--blue);
  border-right: 1px solid var(--line);
  font-size: 13px;
  font-weight: 800;
}

.mobile-bar a:last-child {
  border-right: 0;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes energy-drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.72;
  }
  to {
    transform: translate3d(-6%, 4%, 0) scale(1.08);
    opacity: 0.95;
  }
}

@keyframes energy-line {
  0%,
  100% {
    transform: translateX(-20%) scaleX(0.72);
    opacity: 0.25;
  }
  50% {
    transform: translateX(44%) scaleX(1);
    opacity: 0.78;
  }
}

@keyframes panel-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes panel-scan {
  0%,
  58% {
    transform: translateX(-120%);
  }
  82%,
  100% {
    transform: translateX(120%);
  }
}

@keyframes grid-flow {
  to {
    background-position: 44px 0, 0 44px, center, center;
  }
}

@keyframes connector-flow {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.95;
  }
}

@keyframes hub-pulse {
  0%,
  100% {
    transform: scale(0.94);
    box-shadow: 0 0 0 0 rgba(41, 217, 130, 0);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 0 0 10px rgba(41, 217, 130, 0.1);
  }
}

@keyframes node-breathe {
  0%,
  100% {
    box-shadow: 0 10px 24px rgba(0, 68, 120, 0.14);
  }
  50% {
    box-shadow: 0 10px 28px rgba(41, 217, 130, 0.24);
  }
}

@keyframes charge-dot {
  0%,
  100% {
    box-shadow: 0 0 0 5px rgba(255, 154, 47, 0.14);
  }
  50% {
    box-shadow: 0 0 0 9px rgba(41, 217, 130, 0.18);
  }
}

@keyframes card-energy {
  0%,
  100% {
    transform: translateX(-28%);
  }
  50% {
    transform: translateX(28%);
  }
}

@keyframes content-card-float {
  0%,
  100% {
    transform: translateY(0);
  }
  45% {
    transform: translateY(-3px);
  }
}

@keyframes flow-step-float {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: none;
  }
  42% {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 119, 190, 0.08);
  }
}

@keyframes flow-panel-scan {
  0% {
    transform: translateX(-62%);
  }
  52%,
  100% {
    transform: translateX(62%);
  }
}

@keyframes flow-energy-line {
  0%,
  100% {
    transform: translateY(-50%) scaleX(0.18);
    opacity: 0.28;
  }
  55% {
    transform: translateY(-50%) scaleX(1);
    opacity: 0.82;
  }
}

@keyframes flow-item-sheen {
  from {
    transform: translateX(-120%);
  }
  to {
    transform: translateX(320%);
  }
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 70px;
    padding-right: 76px;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
    position: fixed;
    top: 14px;
    right: 18px;
    z-index: 30;
  }

  .site-nav,
  .header-actions {
    display: none;
  }

  .site-nav.is-open {
    grid-column: 1 / -1;
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }

  .site-nav.is-open a {
    padding: 13px 0;
  }

  .brand-logo {
    height: 38px;
  }

  .hero-grid,
  .split,
  .contact-grid,
  .case-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 44px;
  }

  .audience-grid,
  .mode-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-grid,
  .knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list li {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 72px;
  }

  .section {
    padding-top: 50px;
    padding-bottom: 58px;
  }

  .hero {
    min-height: auto;
    padding-right: 20px;
    padding-left: 20px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  h1 {
    font-size: 34px;
  }

  .brand-logo {
    height: 34px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .map-panel {
    min-height: 360px;
  }

  .hub {
    width: 146px;
    height: 112px;
  }

  .node {
    width: 68px;
    height: 48px;
    font-size: 13px;
  }

  .node::after {
    width: 58px;
  }

  .node-car::after,
  .node-place::after {
    right: -54px;
  }

  .node-pile::after,
  .node-station::after {
    left: -54px;
  }

  .data-strip,
  .audience-grid,
  .capability-grid,
  .scene-grid,
  .mode-grid,
  .flow-list,
  .knowledge-grid,
  .lead-form,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .data-strip span {
    border-right: 0;
    border-bottom: 1px solid rgba(200, 211, 220, 0.14);
  }

  .flow-list li {
    min-height: 96px;
    border-right: 0;
    animation: none;
  }

  .flow-list:hover,
  .flow-list li:hover,
  .audience-card:hover,
  .capability-item:hover,
  .scene-card:hover,
  .mode-card:hover,
  .case-card:hover,
  .case-notes:hover,
  .knowledge-card:hover,
  .entity-card:hover {
    transform: none;
  }

  .audience-card,
  .capability-item,
  .scene-card,
  .mode-card,
  .case-card,
  .case-notes,
  .knowledge-card,
  .entity-card {
    animation: none;
  }

  .case-body dl {
    grid-template-columns: 1fr;
  }

  .mobile-bar {
    display: grid;
  }
}

@media (max-width: 520px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(100vw, 390px);
  }

  .container {
    width: min(calc(100vw - 40px), 350px);
  }

  .nav-toggle {
    right: auto;
    left: min(calc(100vw - 60px), 330px);
  }

  .hero-grid {
    max-width: 350px;
    margin-left: 0;
  }

  .platform-card {
    max-width: 350px;
  }

  .map-panel {
    min-height: 270px;
  }

  .hub {
    width: 126px;
    height: 100px;
    padding: 14px;
  }

  .hub strong {
    font-size: 16px;
  }

  .data-strip {
    display: none;
  }

  .mobile-bar {
    right: auto;
    width: calc(min(100vw, 390px) - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}