:root {
  --bg: #07111a;
  --bg2: #0b1823;
  --panel: rgba(10, 22, 34, 0.76);
  --panel-strong: rgba(9, 20, 31, 0.92);
  --line: rgba(102, 204, 198, 0.18);
  --line-strong: rgba(128, 237, 231, 0.38);
  --text: #edf6f4;
  --muted: #91a8ad;
  --brand: #57d4c8;
  --brand2: #98e36e;
  --signal: #f2b35c;
  --danger: #f06d6d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 560px at 8% 0%, rgba(87, 212, 200, 0.16), transparent 60%), radial-gradient(820px 520px at 100% 10%, rgba(242, 179, 92, 0.1), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  overflow-x: hidden;
}
.chip,
.pill,
.section-kicker,
.logo span,
.intro-aside span,
.solution-card span,
.panel-head,
.core-column label,
.map-node,
.tag-row span {
  font-family: 'Rajdhani', 'Noto Sans SC', sans-serif;
}
body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
}
body::before {
  background: linear-gradient(rgba(129, 211, 204, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(129, 211, 204, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 88%);
  z-index: -3;
}
body::after {
  background: radial-gradient(circle at center, rgba(87, 212, 200, 0.1), transparent 52%);
  filter: blur(44px);
  opacity: 0.45;
  z-index: -4;
}
.noise {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.05;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="180" height="180"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.72" numOctaves="2"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.45"/></svg>');
}
.cursor-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(87, 212, 200, 0.18), rgba(87, 212, 200, 0.05) 44%, transparent 72%);
  filter: blur(18px);
  z-index: -1;
}

.glass {
  background: linear-gradient(180deg, rgba(16, 31, 43, 0.84), rgba(9, 18, 28, 0.76));
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.nav {
  width: min(1240px, calc(100vw - 32px));
  margin: 20px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 18px;
  position: relative;
  z-index: 10;
}
.logo {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}
.logo span {
  display: block;
  color: var(--brand);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
nav {
  display: flex;
  gap: 22px;
}
nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}
nav a:hover {
  color: var(--text);
}
nav a:hover::after {
  transform: scaleX(1);
}

main {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding-top: 40px;
  padding-bottom: 48px;
  position: relative;
  z-index: 2;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 36px;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: 34px 0 48px;
}
.hero-left,
.hero-right {
  position: relative;
}
.pill,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(87, 212, 200, 0.26);
  background: rgba(87, 212, 200, 0.08);
  color: #b5ebe6;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.pill::before,
.section-kicker::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 18px rgba(87, 212, 200, 0.8);
}
h1,
h2,
h3,
strong {
  font-family: 'Noto Sans SC', sans-serif;
}
h1 {
  font-size: clamp(40px, 5.2vw, 74px);
  line-height: 1.06;
  margin: 18px 0 20px;
  max-width: 760px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  background-clip: text;
  -webkit-background-clip: text;
}
.subtitle {
  color: var(--muted);
  line-height: 1.95;
  max-width: 700px;
  font-size: 16px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: linear-gradient(135deg, rgba(87, 212, 200, 0.94), rgba(152, 227, 110, 0.92));
  color: #061118;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(87, 212, 200, 0.22);
}
.btn-outline:hover {
  border-color: var(--line-strong);
  background: rgba(87, 212, 200, 0.06);
}
.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.hero-notes span {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  color: #c8d7d9;
  font-size: 13px;
  line-height: 1.45;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.stats div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
}
.stats strong {
  display: block;
  font-size: 24px;
  color: var(--brand2);
  margin-bottom: 8px;
  font-weight: 800;
  line-height: 1.1;
}
.stats span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.hero-right {
  display: flex;
  align-items: stretch;
}
.hero-brief {
  display: grid;
  gap: 18px;
  padding: 28px;
  border-radius: 28px;
  position: relative;
  overflow: hidden;
}
.hero-brief::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(87, 212, 200, 0.08), transparent 38%, transparent 68%, rgba(152, 227, 110, 0.06));
  pointer-events: none;
}
.brief-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}
.brief-head span {
  color: #b8d8d3;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.brief-head b {
  color: var(--brand2);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.hero-brief h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 30px;
  line-height: 1.24;
  font-weight: 800;
  max-width: 16em;
}
.hero-brief p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 15px;
}
.brief-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  position: relative;
  z-index: 1;
}
.brief-metrics div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.brief-metrics strong {
  display: block;
  font-size: 18px;
  line-height: 1.1;
  margin-bottom: 8px;
  font-weight: 800;
}
.brief-metrics span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}
.brief-list {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
}
.brief-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}
.brief-list div:last-child {
  border-bottom: 0;
}
.brief-list span {
  color: var(--muted);
  font-size: 14px;
}
.brief-list b {
  font-size: 15px;
  font-weight: 700;
  text-align: right;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 72px;
}
.trust-item {
  padding: 18px 20px;
  border-radius: 18px;
}
.trust-item strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
  margin-bottom: 8px;
  font-weight: 800;
}
.trust-item span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.section {
  margin: 42px 0 84px;
}
.section h2 {
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.16;
  max-width: 860px;
  margin: 16px 0 24px;
  font-weight: 900;
  letter-spacing: -0.015em;
}
.section-intro {
  margin-top: 10px;
}
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) 320px;
  gap: 18px;
}
.intro-card,
.intro-aside,
.card,
.solution-card,
.about,
.about-points,
.contact-panel,
.timeline {
  border-radius: 24px;
}
.intro-card {
  padding: 28px;
}
.intro-card p {
  max-width: 780px;
  color: var(--muted);
  line-height: 1.9;
  font-size: 16px;
}
.intro-aside {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 28px;
  align-content: start;
}
.intro-aside span {
  font-family: 'Rajdhani', 'Noto Sans SC', sans-serif;
  font-size: 34px;
  color: var(--brand2);
}
.intro-aside p {
  margin: 0;
  color: #cfe2de;
  line-height: 1.7;
  font-size: 15px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.card {
  padding: 24px;
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}
.card::before,
.solution-card::before,
.about-points div::before {
  content: '';
  position: absolute;
  inset: auto auto 0 0;
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), transparent);
}
.card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
}
.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.tag-row span {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(87, 212, 200, 0.08);
  border: 1px solid rgba(87, 212, 200, 0.18);
  color: #b7ece6;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.solution-card {
  position: relative;
  padding: 26px;
  overflow: hidden;
}
.solution-card span {
  display: inline-block;
  font-family: 'Rajdhani', 'Noto Sans SC', sans-serif;
  font-size: 44px;
  color: rgba(152, 227, 110, 0.72);
  margin-bottom: 16px;
}
.solution-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 800;
}
.solution-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.delivery-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.timeline div {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}
.timeline b {
  display: block;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 800;
}
.timeline p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 18px;
}
.about {
  padding: 28px;
}
.about p {
  margin: 0 0 14px;
  color: #d7ece9;
  line-height: 1.9;
  font-size: 15px;
}
.about p:last-child {
  margin-bottom: 0;
}
.about span {
  color: #a7d7d2;
}
.relation-map {
  margin-top: 24px;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(7, 20, 32, 0.86), rgba(9, 18, 28, 0.62));
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.relation-map-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.relation-map-head span {
  font-family: 'Rajdhani', 'Noto Sans SC', sans-serif;
  color: #b9d9d4;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.relation-map-head b {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  max-width: 22em;
  text-align: right;
  line-height: 1.6;
}
.relation-map-stage {
  position: relative;
  height: 360px;
  border-radius: 18px;
  padding: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(87, 212, 200, 0.08), transparent 55%), linear-gradient(rgba(87, 212, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 212, 200, 0.05) 1px, transparent 1px), rgba(4, 14, 22, 0.58);
  background-size:
    auto,
    38px 38px,
    38px 38px,
    auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}
.relation-map-stage.is-dragging {
  cursor: grabbing;
}
.relation-map-pan {
  position: absolute;
  left: 0;
  top: 0;
  width: 760px;
  height: 520px;
  will-change: transform;
}
.relation-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.relation-lines line {
  stroke: rgba(116, 224, 217, 0.34);
  stroke-width: 0.35;
  stroke-linecap: round;
  stroke-dasharray: 2 2;
}
.graph-node {
  position: absolute;
  min-width: 112px;
  max-width: 142px;
  padding: 12px 12px 10px;
  border-radius: 16px;
  background: rgba(15, 29, 43, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.22);
}
.graph-node::before {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(87, 212, 200, 0.75);
  box-shadow: 0 0 16px rgba(87, 212, 200, 0.8);
}
.graph-node strong {
  display: block;
  font-size: 16px;
  line-height: 1.15;
  margin-bottom: 6px;
  font-weight: 800;
}
.graph-node span {
  display: block;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}
.graph-node.major {
  background: rgba(10, 34, 42, 0.96);
  border-color: rgba(87, 212, 200, 0.28);
}
.graph-node.major::before {
  background: var(--brand);
  box-shadow: 0 0 20px rgba(87, 212, 200, 0.9);
}
.graph-node.accent {
  background: rgba(26, 35, 29, 0.92);
  border-color: rgba(152, 227, 110, 0.22);
}
.graph-node.accent::before {
  background: var(--brand2);
  box-shadow: 0 0 20px rgba(152, 227, 110, 0.9);
}
.graph-node.accent-soft::before {
  background: var(--signal);
  box-shadow: 0 0 18px rgba(242, 179, 92, 0.75);
}
.graph-node.mini {
  min-width: 92px;
  max-width: 112px;
  padding: 10px 10px 9px;
}
.graph-node.mini strong {
  font-size: 14px;
}
.graph-node.mini span {
  font-size: 11px;
}
.node-site {
  left: 7%;
  top: 11%;
}
.node-control {
  left: 30%;
  top: 24%;
}
.node-data {
  left: 43%;
  top: 45%;
  transform: translate(-50%, -50%);
}
.node-ai {
  right: 12%;
  top: 16%;
}
.node-biz {
  left: 15%;
  bottom: 13%;
}
.node-value {
  right: 18%;
  bottom: 12%;
}
.node-ops {
  left: 4%;
  top: 62%;
}
.node-energy {
  left: 55%;
  top: 8%;
}
.node-quality {
  right: 3%;
  top: 48%;
}
.node-alert {
  left: 58%;
  bottom: 8%;
}
.relation-map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 16px;
}
.relation-map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c8d9d7;
  font-size: 13px;
}
.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.dot.site {
  background: var(--brand);
}
.dot.data {
  background: #80ede7;
}
.dot.ai {
  background: var(--brand2);
}
.about-points {
  display: grid;
  gap: 14px;
  padding: 20px;
}
.about-points div {
  position: relative;
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.about-points strong {
  display: block;
  font-size: 22px;
  margin-bottom: 8px;
  line-height: 1.2;
  font-weight: 800;
}
.about-points p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 300px;
  gap: 22px;
  padding: 28px;
  align-items: center;
}
.contact-panel p {
  color: var(--muted);
  line-height: 1.9;
  font-size: 15px;
}
.contact-actions {
  display: grid;
  gap: 12px;
  align-content: start;
}
.contact-actions p {
  margin: 8px 0 0;
  color: #d6ece8;
  font-size: 15px;
}
.contact-facts {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-facts p {
  margin: 0;
  color: #d7ece9;
  line-height: 1.8;
}
.contact-facts span {
  color: #a7d7d2;
}

footer {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  position: relative;
  z-index: 2;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .intro-grid,
  .about-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }
  .trust-band,
  .solution-grid,
  .delivery-timeline {
    grid-template-columns: 1fr;
  }
  .brief-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav {
    width: min(100vw - 20px, 1240px);
    padding: 12px 14px;
  }
  nav {
    display: none;
  }
  main {
    width: min(100vw - 20px, 1240px);
    padding-top: 28px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 10px;
  }
  .stats,
  .grid,
  .brief-metrics {
    grid-template-columns: 1fr;
  }
  .section {
    margin: 34px 0 60px;
  }
  h1 {
    font-size: clamp(34px, 11vw, 52px);
    line-height: 1.12;
  }
  .section h2 {
    font-size: clamp(28px, 8.5vw, 38px);
    line-height: 1.18;
  }
  .logo {
    font-size: 20px;
  }
  .subtitle,
  .card p,
  .solution-card p,
  .timeline p,
  .about p,
  .relation-map-head b,
  .about-points p,
  .contact-panel p,
  .contact-facts p {
    font-size: 14px;
  }
  .card h3,
  .hero-brief h3,
  .solution-card h3,
  .timeline b,
  .about-points strong {
    font-size: 20px;
  }
  .stats strong {
    font-size: 22px;
  }
  .brief-list div {
    display: grid;
  }
  .brief-list b {
    text-align: left;
  }
  .relation-map-stage {
    height: 420px;
  }
  .relation-map-pan {
    width: 700px;
    height: 560px;
  }
  .graph-node {
    min-width: 108px;
    max-width: 138px;
  }
  .node-site {
    left: 4%;
    top: 6%;
  }
  .node-control {
    left: 36%;
    top: 18%;
  }
  .node-data {
    left: 50%;
    top: 42%;
  }
  .node-ai {
    right: 4%;
    top: 10%;
  }
  .node-biz {
    left: 8%;
    bottom: 12%;
  }
  .node-value {
    right: 10%;
    bottom: 8%;
  }
  .node-ops {
    left: 8%;
    top: 56%;
  }
  .node-energy {
    left: 55%;
    top: 6%;
  }
  .node-quality {
    right: 3%;
    top: 44%;
  }
  .node-alert {
    left: 52%;
    bottom: 6%;
  }
}