:root {
  --ink: #0d1b15;
  --ink-soft: #1d3229;
  --forest: #10241b;
  --moss: #3f6645;
  --lime: #b7ed5a;
  --mint: #e6f0de;
  --paper: #f4f5ed;
  --paper-deep: #e9eee3;
  --blue: #91d8e3;
  --blue-deep: #456f77;
  --orange: #eea35e;
  --line: rgba(13, 27, 21, 0.16);
  --line-light: rgba(244, 245, 237, 0.2);
  --white: #fffef7;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select {
  font-family: var(--sans);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  cursor: pointer;
}

img,
svg {
  display: block;
}

.page-shell {
  overflow: clip;
}

.container {
  width: min(1240px, calc(100% - 80px));
  margin: 0 auto;
}

.topbar {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  display: flex;
  align-items: center;
  width: min(1240px, calc(100% - 80px));
  height: 88px;
  transform: translateX(-50%);
  color: var(--white);
  transition: background-color 180ms ease, color 180ms ease, height 180ms ease;
}

.topbar.is-scrolled {
  position: fixed;
  top: 16px;
  height: 64px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 28, 21, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 188px;
}

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--lime);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  width: 1px;
  height: 20px;
  content: "";
  background: currentColor;
  transform: rotate(42deg);
}

.brand-mark::after {
  transform: rotate(-42deg);
}

.brand-mark-line {
  width: 15px;
  height: 1px;
  background: currentColor;
}

.brand-mark-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
}

.brand-copy small {
  color: rgba(255, 254, 247, 0.62);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  line-height: 1;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 31px;
  flex: 1;
  margin: 0 28px;
}

.main-nav a {
  position: relative;
  color: rgba(255, 254, 247, 0.76);
  font-size: 13px;
  transition: color 180ms ease;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--white);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  transform: scaleX(1);
}

.topbar-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.topbar-cta {
  min-height: 40px;
  border-color: rgba(255, 254, 247, 0.36);
  color: var(--white);
}

.topbar-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.topbar-cta:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.topbar-cta svg,
.button svg,
.text-link svg,
.source-footer svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.8;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(255, 254, 247, 0.26);
  border-radius: 3px;
  background: transparent;
  color: var(--white);
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 890px;
  color: var(--white);
  background-color: #243b2d;
  background-image: url("https://media.base44.com/images/public/69fc93d260ec03699daac957/c2c8009c5_generated_image.png");
  background-position: center;
  background-size: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(5, 18, 13, 0.67);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  align-items: end;
  gap: 80px;
  min-height: 790px;
  padding-top: 154px;
  padding-bottom: 120px;
}

.hero-copy {
  max-width: 750px;
}

.eyebrow,
.section-kicker,
.board-label,
.case-kicker,
.source-index,
.source-footer,
.trace-reading,
.hero-location,
.scroll-cue,
.live-state,
.summary-label,
.form-head,
.footer-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 30px;
  color: var(--lime);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(183, 237, 90, 0.13);
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 29px;
  font-size: 90px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.hero h1 em,
h2 em,
.signal-intro h2 em,
.section-heading h2 em,
.case-header h2 em,
.contact-copy h2 em {
  color: var(--lime);
  font-style: normal;
}

.hero-lede {
  max-width: 530px;
  margin-bottom: 35px;
  color: rgba(255, 254, 247, 0.76);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}

.button-primary {
  color: var(--ink);
  background: var(--lime);
}

.button-primary:hover {
  background: #d0f77c;
}

.light-link,
.dark-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
}

.light-link {
  color: rgba(255, 254, 247, 0.83);
}

.light-link:hover,
.dark-link:hover {
  color: var(--lime);
}

.hero-console {
  align-self: end;
  min-height: 430px;
  padding: 23px 23px 20px;
  border: 1px solid rgba(255, 254, 247, 0.28);
  border-radius: 4px;
  background: rgba(10, 26, 19, 0.76);
  backdrop-filter: blur(14px);
}

.console-topline,
.console-heading,
.console-metrics,
.board-head,
.source-card-top,
.source-footer,
.case-header,
.form-head,
.footer-inner,
.footer-meta,
.recommendation-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-topline {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 254, 247, 0.17);
  color: rgba(255, 254, 247, 0.62);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.live-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--lime);
  font-size: 9px;
}

.live-state span,
.recommendation-status span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.console-heading {
  align-items: flex-start;
  padding: 25px 0 18px;
}

.console-heading p,
.console-heading strong {
  margin: 0;
}

.console-heading p {
  margin-bottom: 7px;
  color: rgba(255, 254, 247, 0.56);
  font-size: 11px;
}

.console-heading strong {
  color: var(--white);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
}

.console-heading strong b {
  color: var(--lime);
  font-weight: 500;
}

.console-weather {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
}

.console-weather svg {
  width: 16px;
  height: 16px;
}

.console-chart {
  position: relative;
  height: 165px;
  border-top: 1px solid rgba(255, 254, 247, 0.11);
  border-bottom: 1px solid rgba(255, 254, 247, 0.11);
  padding: 14px 0 22px 24px;
}

.console-chart svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 124px;
  overflow: visible;
}

.chart-grid {
  position: absolute;
  inset: 14px 0 23px 24px;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
}

.chart-grid span {
  border-top: 1px dashed rgba(255, 254, 247, 0.13);
}

.chart-area {
  fill: rgba(145, 216, 227, 0.1);
}

.chart-line {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2.25;
}

.chart-point {
  fill: var(--blue);
  stroke: var(--forest);
  stroke-width: 3;
}

.active-point {
  fill: var(--lime);
}

.chart-labels {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 24px;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 254, 247, 0.44);
  font-family: var(--mono);
  font-size: 8px;
}

.console-metrics {
  gap: 18px;
  padding-top: 17px;
}

.console-metrics div {
  display: grid;
  gap: 4px;
}

.console-metrics span {
  color: rgba(255, 254, 247, 0.5);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.console-metrics strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 500;
}

.console-metrics small,
.board-summary small,
.board-metrics small,
.case-stats small {
  margin-left: 3px;
  color: rgba(255, 254, 247, 0.5);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 400;
}

.hero-bottom {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 31px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 254, 247, 0.58);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 9px;
}

.scroll-cue svg {
  width: 13px;
  height: 13px;
  color: var(--lime);
}

.hero-location {
  font-size: 9px;
  letter-spacing: 0.04em;
}

.signal-band {
  padding: 87px 0 93px;
  background: var(--mint);
}

.signal-inner {
  display: grid;
  grid-template-columns: 1fr 0.76fr;
  gap: 100px;
  align-items: end;
}

.signal-intro h2,
.section-heading h2,
.case-header h2,
.contact-copy h2 {
  margin: 18px 0 0;
  font-size: 54px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-kicker {
  color: var(--moss);
}

.signal-note {
  position: relative;
  max-width: 430px;
  padding-left: 27px;
  border-left: 1px solid var(--moss);
}

.signal-note .note-mark {
  position: absolute;
  top: -23px;
  left: 16px;
  color: var(--moss);
  font-size: 49px;
  font-weight: 700;
  line-height: 1;
}

.signal-note p {
  margin: 0;
  color: rgba(13, 27, 21, 0.68);
  font-size: 15px;
  line-height: 1.85;
}

.section {
  padding: 125px 0;
}

.section-light {
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 0.62fr);
  gap: 90px;
  align-items: end;
  margin-bottom: 76px;
}

.section-heading > p {
  max-width: 430px;
  margin: 0 0 3px;
  color: rgba(13, 27, 21, 0.62);
  font-size: 15px;
  line-height: 1.9;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.source-card {
  min-height: 475px;
  padding: 24px 25px 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-deep);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.source-card:hover {
  border-color: rgba(63, 102, 69, 0.48);
  background: #e4ecdc;
  transform: translateY(-5px);
}

.source-card-top {
  align-items: flex-start;
}

.source-index {
  color: var(--moss);
}

.source-card-top > svg {
  width: 22px;
  height: 22px;
  color: var(--moss);
  stroke-width: 1.5;
}

.source-visual {
  position: relative;
  height: 210px;
  margin: 18px 0 26px;
  overflow: hidden;
  border-bottom: 1px solid rgba(13, 27, 21, 0.17);
}

.soil-visual {
  background:
    linear-gradient(145deg, transparent 0 45%, rgba(63, 102, 69, 0.11) 45% 46%, transparent 46% 100%),
    repeating-linear-gradient(168deg, transparent 0 19px, rgba(63, 102, 69, 0.13) 19px 20px);
}

.soil-line {
  position: absolute;
  height: 1px;
  background: var(--moss);
  opacity: 0.65;
  transform-origin: left;
}

.line-one {
  top: 63px;
  left: 30px;
  width: 155px;
  transform: rotate(19deg);
}

.line-two {
  top: 115px;
  left: 8px;
  width: 205px;
  transform: rotate(-12deg);
}

.line-three {
  top: 154px;
  left: 91px;
  width: 147px;
  transform: rotate(17deg);
}

.soil-node {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 2px solid var(--moss);
  border-radius: 50%;
  background: var(--paper-deep);
}

.node-one {
  top: 58px;
  left: 119px;
}

.node-two {
  top: 110px;
  left: 89px;
}

.node-three {
  top: 148px;
  left: 171px;
}

.soil-probe {
  position: absolute;
  top: 38px;
  right: 53px;
  width: 15px;
  height: 145px;
  border: 1px solid var(--moss);
  border-radius: 10px;
  background: rgba(63, 102, 69, 0.08);
}

.soil-probe::before {
  position: absolute;
  top: 14px;
  left: 4px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--lime);
}

.water-visual {
  background: rgba(145, 216, 227, 0.22);
}

.water-ripple {
  position: absolute;
  left: 50%;
  display: block;
  width: 210px;
  height: 60px;
  border: 1px solid rgba(69, 111, 119, 0.65);
  border-radius: 50%;
  transform: translateX(-50%);
}

.ripple-one {
  top: 57px;
}

.ripple-two {
  top: 82px;
  width: 250px;
  opacity: 0.64;
}

.ripple-three {
  top: 112px;
  width: 195px;
  opacity: 0.42;
}

.water-drop {
  position: absolute;
  top: 30px;
  left: calc(50% - 16px);
  width: 32px;
  height: 43px;
  border: 1px solid var(--blue-deep);
  border-radius: 60% 60% 65% 65%;
  background: rgba(255, 254, 247, 0.24);
  transform: rotate(45deg);
}

.water-spark {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-deep);
}

.spark-one {
  top: 41px;
  right: 78px;
}

.spark-two {
  top: 144px;
  left: 75px;
}

.air-visual {
  background: rgba(238, 163, 94, 0.13);
}

.air-sun {
  position: absolute;
  top: 36px;
  right: 50px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--orange);
  border-radius: 50%;
}

.air-sun::before,
.air-sun::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 57px;
  height: 1px;
  content: "";
  background: var(--orange);
  transform: translate(-50%, -50%);
}

.air-sun::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.air-orbit {
  position: absolute;
  left: 24px;
  width: 180px;
  border-top: 1px solid rgba(207, 125, 66, 0.66);
  border-radius: 50%;
  transform: rotate(-19deg);
}

.orbit-one {
  top: 100px;
}

.orbit-two {
  top: 139px;
  left: 57px;
  width: 155px;
  transform: rotate(19deg);
}

.air-leaf {
  position: absolute;
  width: 27px;
  height: 50px;
  border: 1px solid var(--moss);
  border-radius: 100% 0 100% 0;
  background: rgba(63, 102, 69, 0.08);
  transform: rotate(31deg);
}

.leaf-one {
  top: 97px;
  left: 118px;
}

.leaf-two {
  top: 139px;
  left: 152px;
  transform: rotate(76deg) scale(0.8);
}

.leaf-three {
  top: 75px;
  left: 85px;
  transform: rotate(-28deg) scale(0.73);
}

.source-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 500;
}

.source-card p {
  min-height: 53px;
  margin: 0 0 27px;
  color: rgba(13, 27, 21, 0.61);
  font-size: 14px;
  line-height: 1.7;
}

.source-footer {
  padding-top: 15px;
  border-top: 1px solid rgba(13, 27, 21, 0.16);
  color: var(--moss);
  font-size: 9px;
}

.source-footer svg {
  width: 14px;
  height: 14px;
}

.section-dark {
  color: var(--white);
  background: var(--forest);
}

.heading-dark .section-kicker {
  color: var(--lime);
}

.heading-dark > p {
  color: rgba(255, 254, 247, 0.61);
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.73fr);
  gap: 100px;
  align-items: start;
}

.decision-board {
  padding: 23px 24px 24px;
  border: 1px solid rgba(255, 254, 247, 0.21);
  border-radius: 4px;
  background: #132b21;
}

.board-head {
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-light);
}

.board-label {
  color: var(--lime);
  font-size: 9px;
}

.board-head h3 {
  margin: 9px 0 0;
  font-size: 20px;
  font-weight: 500;
}

.board-date {
  color: rgba(255, 254, 247, 0.55);
  font-family: var(--mono);
  font-size: 10px;
}

.board-tabs {
  display: flex;
  gap: 3px;
  padding: 18px 0 22px;
}

.board-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(255, 254, 247, 0.17);
  border-radius: 2px;
  background: transparent;
  color: rgba(255, 254, 247, 0.58);
  font-size: 11px;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.board-tab svg {
  width: 14px;
  height: 14px;
}

.board-tab:hover,
.board-tab.is-active {
  border-color: var(--lime);
  background: rgba(183, 237, 90, 0.11);
  color: var(--lime);
}

.board-main {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 28px;
  align-items: end;
  padding: 2px 0 24px;
}

.summary-label {
  color: rgba(255, 254, 247, 0.52);
  font-size: 9px;
}

.board-summary strong {
  display: block;
  margin: 11px 0 8px;
  color: var(--white);
  font-size: 54px;
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.board-summary strong small {
  color: var(--lime);
  font-size: 14px;
  letter-spacing: 0;
}

.summary-trend {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 10px;
}

.trend-up {
  color: var(--lime);
}

.summary-trend svg {
  width: 13px;
  height: 13px;
}

.mini-chart {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  height: 130px;
  padding: 7px 0 0;
  border-bottom: 1px solid rgba(255, 254, 247, 0.2);
}

.mini-chart::before,
.mini-chart::after {
  position: absolute;
  top: 30px;
  right: 0;
  left: 32px;
  height: 1px;
  content: "";
  border-top: 1px dashed rgba(255, 254, 247, 0.13);
}

.mini-chart::after {
  top: 72px;
}

.mini-chart-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: 8px;
  color: rgba(255, 254, 247, 0.34);
  font-family: var(--mono);
  font-size: 8px;
}

.mini-bars {
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 7px;
}

.mini-bars span {
  flex: 1;
  min-width: 5px;
  background: var(--blue);
  opacity: 0.79;
  transition: height 420ms cubic-bezier(0.23, 1, 0.32, 1), background-color 180ms ease;
}

.mini-bars span:last-child {
  background: var(--lime);
}

.board-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.board-metrics div {
  display: grid;
  gap: 6px;
}

.board-metrics span {
  color: rgba(255, 254, 247, 0.46);
  font-family: var(--mono);
  font-size: 8px;
}

.board-metrics strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 500;
}

.board-metrics small {
  color: rgba(255, 254, 247, 0.46);
}

.board-recommendation {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 13px;
  align-items: center;
  padding-top: 21px;
}

.recommendation-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(183, 237, 90, 0.42);
  color: var(--lime);
}

.recommendation-icon svg {
  width: 16px;
  height: 16px;
}

.board-recommendation span {
  color: rgba(255, 254, 247, 0.5);
  font-family: var(--mono);
  font-size: 9px;
}

.board-recommendation p {
  margin: 3px 0 0;
  color: var(--white);
  font-size: 13px;
  line-height: 1.5;
}

.recommendation-status {
  gap: 7px;
  color: var(--lime) !important;
  white-space: nowrap;
}

.platform-story {
  padding-top: 5px;
}

.story-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  padding: 0 0 28px;
  border-bottom: 1px solid var(--line-light);
}

.story-item + .story-item {
  padding-top: 25px;
}

.story-number {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
}

.story-item h3 {
  margin: -4px 0 8px;
  font-size: 20px;
  font-weight: 500;
}

.story-item p {
  max-width: 330px;
  margin: 0;
  color: rgba(255, 254, 247, 0.56);
  font-size: 13px;
  line-height: 1.75;
}

.trace-section {
  background: var(--paper-deep);
}

.trace-route {
  display: grid;
  grid-template-columns: 1fr 50px 1fr 50px 1fr 50px 1fr;
  align-items: center;
  margin-bottom: 100px;
}

.trace-step {
  position: relative;
  min-height: 208px;
  padding: 19px 19px 18px;
  border: 1px solid rgba(13, 27, 21, 0.18);
  border-radius: 4px;
  background: rgba(244, 245, 237, 0.42);
  transition: background-color 180ms ease, transform 180ms ease;
}

.trace-step:hover {
  background: var(--paper);
  transform: translateY(-4px);
}

.trace-count {
  display: block;
  margin-bottom: 27px;
  color: var(--moss);
  font-family: var(--mono);
  font-size: 10px;
}

.trace-step > svg {
  width: 22px;
  height: 22px;
  margin-bottom: 23px;
  color: var(--moss);
  stroke-width: 1.6;
}

.trace-step h3 {
  margin: 0 0 5px;
  font-size: 20px;
  font-weight: 500;
}

.trace-step p {
  margin: 0 0 16px;
  color: rgba(13, 27, 21, 0.55);
  font-size: 11px;
}

.trace-reading {
  display: inline-block;
  color: var(--moss);
  font-size: 9px;
}

.trace-connector {
  position: relative;
  display: block;
  height: 1px;
  background: rgba(13, 27, 21, 0.28);
}

.trace-connector::after {
  position: absolute;
  top: -3px;
  right: -1px;
  width: 7px;
  height: 7px;
  content: "";
  border-top: 1px solid var(--moss);
  border-right: 1px solid var(--moss);
  transform: rotate(45deg);
}

.trace-callout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  min-height: 405px;
  background: var(--forest);
  color: var(--white);
}

.trace-callout-image {
  min-height: 405px;
  background-color: #324e38;
  background-image: url("https://www.odoo.com/web/image/34162481-158df06d/shutterstock_2185752523.jpg");
  background-position: center;
  background-size: cover;
}

.trace-callout-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 50px;
}

.trace-callout-copy .section-kicker {
  color: var(--lime);
}

.trace-callout-copy h3 {
  margin: 20px 0 15px;
  font-size: 35px;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.trace-callout-copy p {
  max-width: 285px;
  margin: 0 0 26px;
  color: rgba(255, 254, 247, 0.59);
  font-size: 14px;
  line-height: 1.75;
}

.dark-link {
  color: var(--lime);
}

.case-section {
  background: var(--paper);
}

.case-header {
  align-items: end;
  margin-bottom: 63px;
}

.case-tabs {
  display: flex;
  gap: 25px;
  padding-bottom: 7px;
}

.case-tab {
  position: relative;
  padding: 0 0 9px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: rgba(13, 27, 21, 0.47);
  font-size: 13px;
}

.case-tab::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--moss);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.case-tab:hover,
.case-tab.is-active {
  color: var(--ink);
}

.case-tab.is-active::after {
  transform: scaleX(1);
}

.case-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.2fr 0.55fr;
  min-height: 510px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 50px 45px 50px 0;
}

.case-kicker {
  color: var(--moss);
  font-size: 9px;
}

.case-copy h3 {
  margin: 19px 0 20px;
  font-size: 42px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.case-copy p {
  max-width: 335px;
  margin: 0 0 28px;
  color: rgba(13, 27, 21, 0.62);
  font-size: 14px;
  line-height: 1.8;
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-dark:hover {
  color: var(--ink);
  background: var(--lime);
}

.case-visual {
  position: relative;
  min-height: 510px;
  background-color: #597d52;
  background-image: url("https://irrinex.com/_next/image?q=75&url=%2Fimages%2Fsolutions%2Fgreenhouse-drip-irrigation-system.png&w=3840");
  background-position: center;
  background-size: cover;
}

.case-visual-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 34, 22, 0.22);
}

.case-visual-label {
  position: absolute;
  right: 22px;
  bottom: 21px;
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 254, 247, 0.38);
  background: rgba(10, 34, 22, 0.72);
  color: var(--white);
}

.case-visual-label span {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 9px;
}

.case-visual-label strong {
  font-size: 25px;
  font-weight: 500;
  line-height: 1.2;
}

.case-visual-label small {
  color: rgba(255, 254, 247, 0.58);
  font-size: 10px;
}

.case-stats {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 37px;
  padding: 40px 0 40px 32px;
}

.case-stats div {
  display: grid;
  gap: 6px;
}

.case-stats span {
  color: rgba(13, 27, 21, 0.5);
  font-family: var(--mono);
  font-size: 9px;
}

.case-stats strong {
  font-size: 31px;
  font-weight: 500;
}

.case-stats small {
  color: rgba(13, 27, 21, 0.44);
}

.contact-section {
  padding: 128px 0 132px;
  color: var(--white);
  background: var(--ink);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 0.69fr;
  gap: 130px;
  align-items: start;
}

.contact-copy h2 {
  margin-top: 17px;
}

.contact-copy > p {
  max-width: 500px;
  margin: 27px 0 30px;
  color: rgba(255, 254, 247, 0.59);
  font-size: 15px;
  line-height: 1.85;
}

.contact-copy .section-kicker {
  color: var(--lime);
}

.contact-proof {
  display: grid;
  gap: 12px;
  color: rgba(255, 254, 247, 0.8);
  font-size: 13px;
}

.contact-proof span {
  display: flex;
  align-items: center;
  gap: 9px;
}

.contact-proof svg {
  width: 14px;
  height: 14px;
  color: var(--lime);
}

.contact-form {
  padding: 27px;
  border: 1px solid rgba(255, 254, 247, 0.25);
  border-radius: 4px;
  background: #132b21;
}

.form-head {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-light);
  color: var(--lime);
  font-size: 9px;
}

.form-head svg {
  width: 16px;
  height: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-top: 19px;
}

.contact-form label span {
  color: rgba(255, 254, 247, 0.55);
  font-family: var(--mono);
  font-size: 9px;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid rgba(255, 254, 247, 0.19);
  border-radius: 2px;
  outline: 0;
  background: rgba(255, 254, 247, 0.04);
  color: var(--white);
  font-size: 13px;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.contact-form input::placeholder {
  color: rgba(255, 254, 247, 0.34);
}

.contact-form select option {
  color: var(--ink);
}

.contact-form input:focus,
.contact-form select:focus {
  border-color: var(--lime);
  background: rgba(183, 237, 90, 0.08);
}

.form-submit {
  width: 100%;
  margin-top: 24px;
  border: 0;
}

.form-message {
  min-height: 20px;
  margin: 13px 0 0;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 10px;
}

.footer {
  color: rgba(255, 254, 247, 0.62);
  background: var(--ink);
}

.footer-inner {
  align-items: end;
  padding: 28px 0 35px;
  border-top: 1px solid rgba(255, 254, 247, 0.14);
}

.footer-brand .brand {
  color: var(--white);
}

.footer-brand p {
  margin: 16px 0 0;
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--lime);
}

.footer-meta {
  display: grid;
  gap: 7px;
  text-align: right;
  color: rgba(255, 254, 247, 0.4);
  font-size: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 680ms ease, transform 680ms ease;
}

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

.reveal-group .reveal:nth-child(2),
.platform-story .reveal:nth-child(2) {
  transition-delay: 90ms;
}

.reveal-group .reveal:nth-child(3),
.platform-story .reveal:nth-child(3) {
  transition-delay: 180ms;
}

.platform-story .reveal:nth-child(4) {
  transition-delay: 270ms;
}

@media (max-width: 1120px) {
  .container,
  .topbar {
    width: min(100% - 48px, 1000px);
  }

  .main-nav {
    gap: 21px;
    margin: 0 15px;
  }

  .hero-content {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 44px;
  }

  .hero h1 {
    font-size: 75px;
  }

  .signal-inner,
  .contact-inner {
    gap: 70px;
  }

  .platform-layout {
    gap: 55px;
  }

  .case-layout {
    grid-template-columns: 0.82fr 1.1fr 0.55fr;
  }
}

@media (max-width: 860px) {
  .container,
  .topbar {
    width: calc(100% - 40px);
  }

  .topbar {
    height: 72px;
  }

  .topbar.is-scrolled {
    top: 10px;
    padding: 0 15px;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    border: 1px solid rgba(255, 254, 247, 0.16);
    background: rgba(10, 28, 21, 0.96);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 15px 16px;
    border-bottom: 1px solid rgba(255, 254, 247, 0.09);
  }

  .main-nav a::after {
    display: none;
  }

  .topbar-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-grid;
    margin-left: auto;
    place-items: center;
  }

  .hero {
    min-height: 940px;
  }

  .hero-content {
    display: block;
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 130px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero h1 {
    font-size: 68px;
  }

  .hero-console {
    width: min(100%, 430px);
    margin-top: 61px;
  }

  .hero-bottom {
    bottom: 24px;
  }

  .signal-inner,
  .section-heading,
  .platform-layout,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 37px;
  }

  .signal-note {
    max-width: 560px;
  }

  .source-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .source-card {
    min-height: 450px;
    padding: 18px 16px 17px;
  }

  .source-visual {
    height: 170px;
  }

  .source-card p {
    font-size: 13px;
  }

  .platform-story {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .story-item,
  .story-item + .story-item {
    padding: 0 0 22px;
  }

  .trace-route {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 28px;
  }

  .trace-connector {
    display: none;
  }

  .trace-callout {
    grid-template-columns: 1fr 0.88fr;
  }

  .case-header {
    display: block;
  }

  .case-tabs {
    margin-top: 35px;
  }

  .case-layout {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .case-stats {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    padding: 30px 0;
  }
}

@media (max-width: 600px) {
  .container,
  .topbar {
    width: calc(100% - 32px);
  }

  .topbar {
    height: 68px;
  }

  .topbar.is-scrolled {
    top: 8px;
  }

  .brand {
    min-width: 0;
  }

  .hero {
    min-height: 850px;
    background-position: 62% center;
  }

  .hero-content {
    padding-top: 122px;
    padding-bottom: 107px;
  }

  .hero-eyebrow {
    margin-bottom: 25px;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: 52px;
  }

  .hero-lede {
    margin-bottom: 25px;
    font-size: 14px;
    line-height: 1.75;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-console {
    min-height: 385px;
    margin-top: 43px;
    padding: 17px;
  }

  .console-heading strong {
    font-size: 17px;
  }

  .console-chart {
    height: 137px;
  }

  .console-chart svg {
    height: 100px;
  }

  .console-metrics {
    gap: 10px;
  }

  .console-metrics strong {
    font-size: 15px;
  }

  .console-metrics small {
    display: block;
    margin: 2px 0 0;
  }

  .hero-bottom {
    display: block;
    bottom: 18px;
  }

  .hero-location {
    display: block;
    margin-top: 9px;
    font-size: 8px;
  }

  .signal-band,
  .section,
  .contact-section {
    padding: 78px 0;
  }

  .signal-intro h2,
  .section-heading h2,
  .case-header h2,
  .contact-copy h2 {
    font-size: 39px;
  }

  .signal-note {
    padding-left: 19px;
  }

  .signal-note p {
    font-size: 14px;
  }

  .section-heading {
    margin-bottom: 47px;
  }

  .section-heading > p {
    font-size: 14px;
  }

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

  .source-card {
    min-height: 0;
    padding: 20px;
  }

  .source-visual {
    height: 160px;
    margin-bottom: 22px;
  }

  .platform-layout {
    gap: 44px;
  }

  .decision-board {
    padding: 18px 16px;
  }

  .board-head h3 {
    font-size: 17px;
  }

  .board-tabs {
    overflow-x: auto;
    padding-bottom: 18px;
  }

  .board-tab {
    flex: 0 0 auto;
  }

  .board-main {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .board-summary strong {
    font-size: 48px;
  }

  .board-metrics {
    gap: 9px;
  }

  .board-metrics strong {
    font-size: 15px;
  }

  .board-metrics span {
    min-height: 25px;
    line-height: 1.4;
  }

  .board-recommendation {
    grid-template-columns: 34px 1fr;
  }

  .recommendation-status {
    grid-column: 2;
    margin-top: 5px;
  }

  .platform-story {
    display: block;
  }

  .story-item,
  .story-item + .story-item {
    padding: 0 0 21px;
    margin-bottom: 21px;
  }

  .trace-route {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 55px;
  }

  .trace-step {
    min-height: 176px;
  }

  .trace-callout {
    grid-template-columns: 1fr;
  }

  .trace-callout-image {
    min-height: 230px;
  }

  .trace-callout-copy {
    min-height: 330px;
    padding: 33px 25px;
  }

  .trace-callout-copy h3 {
    font-size: 31px;
  }

  .case-tabs {
    gap: 17px;
    overflow-x: auto;
    padding-bottom: 1px;
  }

  .case-tab {
    flex: 0 0 auto;
    font-size: 12px;
  }

  .case-layout {
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  .case-copy {
    padding: 35px 0 37px;
  }

  .case-copy h3 {
    font-size: 36px;
  }

  .case-visual {
    min-height: 300px;
  }

  .case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 27px 0;
  }

  .case-stats strong {
    font-size: 25px;
  }

  .case-stats span {
    min-height: 27px;
    line-height: 1.4;
  }

  .contact-inner {
    gap: 49px;
  }

  .contact-form {
    padding: 20px 17px;
  }

  .footer-inner {
    display: grid;
    gap: 28px;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 13px;
    font-size: 12px;
  }

  .footer-meta {
    text-align: left;
  }
}

/* ---- 备案号：工信部要求首页底部展示，并链接至 beian.miit.gov.cn ----
   注意：.footer-meta 实际是 grid 布局 + 8px 字号（见文件前半段的覆盖规则），
   备案号必须单独放大，否则在页脚里小到几乎不可读，审核也过不去 */
.footer-icp {
  color: rgba(255, 254, 247, 0.6);
  font-size: 11px;
  text-decoration: none;
  white-space: nowrap;
  /* 中文在 mono 字体下按 0.08em 字距会显得松散，单独收紧 */
  letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(255, 254, 247, 0.28);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-icp:hover,
.footer-icp:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---- 公安联网备案：备案编号图标在文字之前，取得备案号后启用（docs/gongan-beian.md） ---- */
.footer-gongan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-gongan-icon {
  display: block;
  flex: none;
  width: 16px;
  height: 16px;
  border-radius: 2px;
  /* 深色页脚里小图标容易糊，稍微提亮 */
  filter: brightness(1.08);
}