:root {
  --field: #2f4a35;
  --field-deep: #15251a;
  --moss: #77856a;
  --leaf: #86a96f;
  --tea: #b6a27c;
  --clay: #9b7557;
  --linen: #f5f1e7;
  --paper: #fbfaf6;
  --mist: #ece7dc;
  --ink: #20231d;
  --muted: #77766c;
  --line: rgba(32, 35, 29, 0.14);
  --white-line: rgba(255, 255, 255, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--linen);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  text-rendering: geometricPrecision;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 230px 1fr auto;
  align-items: center;
  gap: 30px;
  min-height: 86px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(32, 35, 29, 0.08);
  background: rgba(251, 250, 246, 0.9);
  backdrop-filter: blur(18px);
}

.logo-link img {
  display: block;
  width: 198px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
  mix-blend-mode: multiply;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 46px);
  color: #3f483d;
  font-size: 14px;
}

.main-nav a {
  padding: 10px 0;
  border-bottom: 1px solid transparent;
}

.main-nav a:hover {
  border-color: currentColor;
}

.portal-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid var(--field);
  color: var(--field);
  font-size: 14px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(620px, 1.18fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
  min-height: calc(100vh - 86px);
  padding: clamp(58px, 8vw, 112px) clamp(20px, 5vw, 72px);
  color: var(--field-deep);
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 22%, rgba(216, 198, 162, 0.3), transparent 28%),
    linear-gradient(112deg, rgba(251, 250, 246, 0.97) 0%, rgba(245, 241, 231, 0.94) 38%, rgba(219, 226, 205, 0.72) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(251, 250, 246, 0.86) 0%, rgba(251, 250, 246, 0.34) 43%, rgba(22, 48, 29, 0.14) 100%),
    repeating-linear-gradient(92deg, transparent 0 68px, rgba(47, 74, 53, 0.045) 69px 70px),
    repeating-linear-gradient(0deg, transparent 0 68px, rgba(47, 74, 53, 0.035) 69px 70px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -12vw;
  bottom: -18vw;
  width: min(58vw, 820px);
  height: min(58vw, 820px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 74, 53, 0.18) 0 34%, rgba(47, 74, 53, 0.08) 35% 48%, transparent 49%);
  pointer-events: none;
}

.hero-copy,
.live-console {
  position: relative;
  z-index: 1;
}

.kicker {
  margin: 0 0 18px;
  color: var(--clay);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .kicker {
  color: var(--clay);
}

h1,
h2,
h3 {
  font-family: "SimSun", "Songti SC", "Noto Serif CJK SC", serif;
  font-weight: 500;
  letter-spacing: 0;
}

p {
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--field-deep);
  font-size: clamp(48px, 6.4vw, 88px);
  line-height: 1.04;
}

.lead {
  max-width: 640px;
  margin: 26px 0 0;
  color: #5f645a;
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--field);
  font-size: 14px;
}

.primary-btn {
  background: var(--field-deep);
  color: #fff;
}

.ghost-btn {
  color: var(--field-deep);
  background: rgba(251, 250, 246, 0.6);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(94px, 1fr));
  gap: 1px;
  max-width: 720px;
  margin-top: 42px;
  border: 1px solid rgba(47, 74, 53, 0.16);
  background: rgba(47, 74, 53, 0.16);
}

.hero-proof div {
  padding: 18px 16px;
  background: rgba(251, 250, 246, 0.78);
}

.hero-proof strong {
  display: block;
  color: var(--field);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 2.4vw, 38px);
  font-weight: 400;
  line-height: 1;
}

.hero-proof span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.live-console {
  align-self: center;
  border: 1px solid rgba(32, 35, 29, 0.14);
  background: rgba(251, 250, 246, 0.74);
  box-shadow: 0 38px 90px rgba(32, 35, 29, 0.18);
  backdrop-filter: blur(18px);
}

.hero-visual-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(32, 35, 29, 0.12);
}

.hero-visual-head span,
.hero-visual-head time {
  display: block;
  color: #767669;
  font-size: 12px;
}

.hero-visual-head strong {
  display: block;
  margin-top: 8px;
  color: var(--field-deep);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 25px;
  font-weight: 500;
}

.hero-field-board {
  display: grid;
  grid-template-columns: minmax(360px, 1.25fr) minmax(220px, 0.75fr);
  gap: 18px;
  padding: 20px;
}

.field-aerial {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid rgba(32, 35, 29, 0.14);
  background:
    linear-gradient(150deg, rgba(20, 46, 26, 0.08), rgba(216, 198, 162, 0.1)),
    repeating-linear-gradient(118deg, rgba(67, 107, 61, 0.24) 0 20px, rgba(178, 166, 114, 0.18) 21px 44px, rgba(111, 137, 82, 0.22) 45px 68px),
    linear-gradient(140deg, #d8dcc3, #80956c 58%, #49643d);
}

.field-aerial::before {
  content: "";
  position: absolute;
  inset: 26px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 68px 68px;
  mix-blend-mode: soft-light;
}

.field-aerial::after {
  content: "AI";
  position: absolute;
  right: 28px;
  top: 24px;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 50%;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.08em;
  background: rgba(21, 37, 26, 0.48);
}

.field-label {
  position: absolute;
  z-index: 2;
  padding: 8px 10px;
  color: #fff;
  font-size: 12px;
  background: rgba(21, 37, 26, 0.68);
  box-shadow: 0 14px 30px rgba(21, 37, 26, 0.18);
}

.label-a {
  left: 34px;
  top: 42px;
}

.label-b {
  right: 92px;
  bottom: 110px;
  color: #ffe8b7;
}

.label-c {
  left: 86px;
  bottom: 46px;
}

.flight-line {
  position: absolute;
  z-index: 1;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.94), transparent);
}

.line-one {
  left: 80px;
  top: 130px;
  width: 78%;
  transform: rotate(16deg);
}

.line-two {
  left: 56px;
  bottom: 104px;
  width: 70%;
  transform: rotate(-19deg);
}

.sensor-pin {
  position: absolute;
  z-index: 3;
  width: 15px;
  height: 15px;
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  background: #9fc071;
  box-shadow: 0 0 0 9px rgba(159, 192, 113, 0.2), 0 0 28px rgba(255, 255, 255, 0.72);
}

.sensor-pin.warn {
  background: #d2ad62;
  box-shadow: 0 0 0 9px rgba(210, 173, 98, 0.24), 0 0 28px rgba(255, 255, 255, 0.72);
}

.pin-one {
  left: 33%;
  top: 38%;
}

.pin-two {
  right: 28%;
  bottom: 34%;
}

.pin-three {
  left: 21%;
  bottom: 23%;
}

.hero-side-stack {
  display: grid;
  gap: 18px;
}

.status-card {
  padding: 22px;
  border: 1px solid rgba(32, 35, 29, 0.14);
  background: rgba(255, 255, 255, 0.62);
}

.status-card span,
.status-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.status-card strong {
  display: block;
  margin: 12px 0 8px;
  color: var(--field);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
}

.hero-side-stack .console-metrics {
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(32, 35, 29, 0.14);
  background: rgba(21, 37, 26, 0.92);
}

.hero-side-stack .metric {
  min-height: 84px;
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-side-stack .metric:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.hero-side-stack .metric strong {
  font-size: 30px;
}

.console-grid.compact {
  display: none;
}

.console-grid.compact .field-status,
.console-grid.compact .weather-card {
  min-height: 220px;
}

.console-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--white-line);
}

.console-head span,
.console-head time {
  display: block;
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
}

.console-head strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-family: "SimSun", "Songti SC", serif;
  font-size: 26px;
  font-weight: 500;
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--white-line);
}

.metric {
  min-height: 118px;
  padding: 20px;
  border-right: 1px solid var(--white-line);
}

.metric:last-child {
  border-right: 0;
}

.metric span {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.metric strong {
  display: block;
  margin: 10px 0;
  color: #e8d4a8;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  line-height: 1;
}

.metric small {
  margin-left: 3px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.45em;
}

.console-grid {
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  gap: 18px;
  padding: 20px;
}

.field-status,
.weather-card {
  min-height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(10, 28, 15, 0.58);
}

.field-status {
  position: relative;
  overflow: hidden;
}

.field-status::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 58px 58px;
}

.map-title {
  position: relative;
  z-index: 1;
  padding: 18px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.dot {
  position: absolute;
  z-index: 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 18px currentColor;
}

.dot.normal {
  background: #b8cf8d;
  color: #b8cf8d;
}

.dot.warn {
  background: #d2ad62;
  color: #d2ad62;
}

.dot.alert {
  background: #c66754;
  color: #c66754;
}

.weather-card {
  padding: 20px;
}

.weather-card h2 {
  margin: 0 0 18px;
  color: #fff;
  font-size: 22px;
}

.weather-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 132px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--white-line);
}

.bar {
  position: relative;
  flex: 1;
  min-width: 20px;
  background: linear-gradient(180deg, #d7c391, #789266);
}

.bar span {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  color: #e8d4a8;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.sensor-list {
  display: grid;
  gap: 11px;
  margin-top: 20px;
}

.sensor-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}

.sensor-row strong {
  color: #d8c6a2;
  font-weight: 400;
}

.trust-strip {
  display: grid;
  grid-template-columns: minmax(260px, 1.45fr) repeat(4, 1fr);
  align-items: stretch;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.trust-strip p,
.trust-strip div {
  margin: 0;
  padding: 34px clamp(20px, 4vw, 54px);
  border-right: 1px solid var(--line);
}

.trust-strip p {
  color: var(--muted);
  line-height: 1.85;
}

.trust-strip strong {
  display: block;
  color: var(--field);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4.5vw, 54px);
  font-weight: 400;
  line-height: 1;
}

.trust-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(72px, 10vw, 136px) clamp(20px, 5vw, 72px);
}

.section-title {
  max-width: 850px;
  margin-bottom: 44px;
}

.section-title h2,
.platform-copy h2,
.contact-section h2 {
  margin: 0;
  color: var(--field-deep);
  font-size: clamp(38px, 5.8vw, 70px);
  line-height: 1.12;
}

.section-title p:not(.kicker),
.platform-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}

.base-section,
.services-section,
.platform-section {
  background: var(--linen);
}

.base-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.base-card,
.trace-card,
.service-card,
.task-table,
.contact-panel {
  background: var(--paper);
}

.base-card {
  min-height: 270px;
  padding: 34px;
  border-top: 3px solid var(--leaf);
}

.base-card.warning {
  border-top-color: var(--tea);
}

.base-card span {
  color: var(--clay);
  font-family: Georgia, "Times New Roman", serif;
}

.base-card h3 {
  margin: 22px 0 14px;
  color: var(--field-deep);
  font-size: 28px;
}

.base-card p,
.service-card p {
  color: var(--muted);
  line-height: 2;
}

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

.trace-layout {
  display: grid;
  grid-template-columns: minmax(310px, 420px) 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.trace-card {
  padding: 34px;
}

.trace-code {
  display: inline-block;
  padding: 8px 10px;
  border: 1px solid var(--field);
  color: var(--field);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.trace-card h3 {
  margin: 26px 0;
  font-size: 34px;
}

dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  color: var(--field-deep);
  text-align: right;
}

.trace-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.trace-step {
  min-height: 230px;
  padding: 30px;
  background: #f7f5ef;
  border-top: 3px solid var(--leaf);
}

.trace-step.active {
  border-top-color: var(--tea);
  background: #faf2df;
}

.trace-step strong {
  display: block;
  color: var(--field-deep);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 24px;
  font-weight: 500;
}

.trace-step span {
  display: block;
  margin: 14px 0;
  color: var(--clay);
  font-family: Georgia, "Times New Roman", serif;
}

.trace-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  min-height: 280px;
  padding: 32px;
}

.service-card span {
  display: block;
  color: var(--clay);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
}

.service-card h3 {
  margin: 28px 0 14px;
  color: var(--field-deep);
  font-size: 28px;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.52fr) minmax(680px, 1.48fr);
  gap: clamp(32px, 6vw, 80px);
}

.platform-notes {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--line);
}

.platform-notes span {
  display: block;
  padding: 18px 20px;
  background: var(--paper);
  color: var(--field-deep);
}

.data-platform {
  overflow: hidden;
  border: 1px solid rgba(216, 198, 162, 0.28);
  background:
    linear-gradient(rgba(216, 198, 162, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 198, 162, 0.04) 1px, transparent 1px),
    #0d1b12;
  background-size: 36px 36px;
  color: #edf1e8;
  box-shadow: 0 24px 70px rgba(17, 36, 22, 0.16);
}

.platform-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(216, 198, 162, 0.22);
}

.platform-top span,
.platform-top time {
  display: block;
  color: rgba(237, 241, 232, 0.6);
  font-size: 12px;
}

.platform-top strong {
  display: block;
  margin-top: 8px;
  font-family: "SimSun", "Songti SC", serif;
  font-size: 28px;
  font-weight: 500;
}

.platform-kpis {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-bottom: 1px solid rgba(216, 198, 162, 0.22);
}

.platform-kpi {
  min-height: 126px;
  padding: 18px;
  border-right: 1px solid rgba(216, 198, 162, 0.22);
}

.platform-kpi:last-child {
  border-right: 0;
}

.platform-kpi span,
.platform-kpi em {
  display: block;
  color: rgba(237, 241, 232, 0.58);
  font-size: 12px;
  font-style: normal;
}

.platform-kpi strong {
  display: block;
  margin: 12px 0 10px;
  color: #d8c6a2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  line-height: 1;
}

.platform-kpi small {
  margin-left: 3px;
  color: rgba(237, 241, 232, 0.78);
  font-size: 0.44em;
}

.platform-shell {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: 720px;
}

.platform-sidebar {
  display: grid;
  align-content: start;
  gap: 1px;
  border-right: 1px solid rgba(216, 198, 162, 0.22);
  background: rgba(216, 198, 162, 0.16);
}

.platform-sidebar button {
  display: grid;
  gap: 6px;
  min-height: 68px;
  padding: 13px 16px;
  border: 0;
  background: rgba(10, 29, 16, 0.94);
  color: rgba(237, 241, 232, 0.78);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.platform-sidebar button.active {
  background: #d8c6a2;
  color: #102017;
}

.platform-sidebar small {
  overflow: hidden;
  color: currentColor;
  font-size: 11px;
  opacity: 0.66;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.platform-content {
  min-width: 0;
}

.module-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(216, 198, 162, 0.22);
}

.module-toolbar span {
  display: block;
  color: rgba(237, 241, 232, 0.56);
  font-size: 12px;
}

.module-toolbar strong {
  display: block;
  margin-top: 5px;
  color: #edf1e8;
  font-family: "SimSun", "Songti SC", serif;
  font-size: 24px;
  font-weight: 500;
}

.module-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-actions button,
.device-search button {
  border: 1px solid rgba(216, 198, 162, 0.36);
  background: transparent;
  color: rgba(237, 241, 232, 0.78);
  cursor: pointer;
  padding: 7px 12px;
}

.platform-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1px;
  background: rgba(216, 198, 162, 0.22);
}

.module-cards {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(216, 198, 162, 0.22);
}

.module-cards div {
  min-height: 110px;
  padding: 18px;
  background: rgba(10, 29, 16, 0.94);
}

.module-cards span,
.module-cards em {
  display: block;
  color: rgba(237, 241, 232, 0.58);
  font-size: 12px;
  font-style: normal;
}

.module-cards strong {
  display: block;
  margin: 10px 0;
  color: #d8c6a2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 400;
}

.farm-map-panel,
.trend-panel,
.ai-panel,
.flow-panel,
.device-panel,
.image-panel {
  min-height: 330px;
  padding: 20px;
  background: rgba(10, 29, 16, 0.94);
}

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

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 18px;
}

.panel-title span {
  font-family: "SimSun", "Songti SC", serif;
  font-size: 22px;
}

.panel-title small {
  color: rgba(237, 241, 232, 0.55);
}

.farm-map {
  position: relative;
  min-height: 274px;
  overflow: hidden;
  border: 1px solid rgba(216, 198, 162, 0.18);
  background:
    linear-gradient(rgba(216, 198, 162, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 198, 162, 0.06) 1px, transparent 1px),
    rgba(7, 24, 12, 0.78);
  background-size: 52px 52px;
}

.plot {
  position: absolute;
  display: grid;
  align-content: start;
  gap: 5px;
  padding: 12px;
  border: 1px solid rgba(184, 207, 141, 0.5);
  background: rgba(47, 74, 53, 0.3);
  color: #edf1e8;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.plot.ok {
  border-color: rgba(184, 207, 141, 0.55);
}

.plot.warn {
  border-color: #d2ad62;
  background: rgba(154, 117, 39, 0.22);
}

.plot.alert {
  border-color: #c66754;
  background: rgba(137, 58, 47, 0.24);
}

.plot strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
}

.plot span,
.plot small {
  color: rgba(237, 241, 232, 0.68);
  font-size: 12px;
}

.trend-chart {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  height: 190px;
  align-items: end;
  padding: 24px 6px 0;
  border: 1px solid rgba(216, 198, 162, 0.18);
  background: rgba(7, 24, 12, 0.58);
}

.trend-column {
  display: grid;
  grid-template-rows: 1fr auto auto;
  align-items: end;
  gap: 7px;
  height: 100%;
  text-align: center;
}

.trend-column i {
  display: block;
  min-height: 36px;
  background: linear-gradient(180deg, #d8c6a2, #718861);
}

.trend-column b {
  color: #d8c6a2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-weight: 400;
}

.trend-column span {
  color: rgba(237, 241, 232, 0.52);
  font-size: 11px;
}

.mini-readings {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 16px;
  background: rgba(216, 198, 162, 0.18);
}

.mini-readings div {
  padding: 13px;
  background: rgba(7, 24, 12, 0.52);
}

.mini-readings span,
.mini-readings em {
  display: block;
  color: rgba(237, 241, 232, 0.54);
  font-size: 12px;
  font-style: normal;
}

.mini-readings strong {
  display: block;
  margin: 5px 0;
  color: #d8c6a2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 400;
}

.advice {
  padding: 16px 0;
  border-bottom: 1px solid rgba(216, 198, 162, 0.18);
}

.advice:first-child {
  padding-top: 0;
}

.advice strong {
  display: block;
  color: #edf1e8;
  font-size: 16px;
}

.advice p {
  margin: 8px 0 0;
  color: rgba(237, 241, 232, 0.66);
  line-height: 1.8;
}

.advice.high strong {
  color: #e4b29f;
}

.advice.mid strong {
  color: #d8c6a2;
}

.flow-row {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(216, 198, 162, 0.18);
}

.flow-row time {
  color: #d8c6a2;
  font-family: Georgia, "Times New Roman", serif;
}

.flow-row strong {
  color: rgba(237, 241, 232, 0.84);
  font-weight: 400;
}

.flow-row span {
  border: 1px solid rgba(216, 198, 162, 0.38);
  padding: 4px 8px;
  color: rgba(237, 241, 232, 0.68);
  font-size: 12px;
}

.device-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-bottom: 14px;
}

.device-search input {
  min-width: 0;
  border: 1px solid rgba(216, 198, 162, 0.26);
  background: rgba(7, 24, 12, 0.58);
  color: #edf1e8;
  padding: 9px 10px;
}

.device-table {
  display: grid;
  border: 1px solid rgba(216, 198, 162, 0.18);
}

.device-table div {
  display: grid;
  grid-template-columns: 1fr 0.9fr 0.55fr auto 70px;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid rgba(216, 198, 162, 0.14);
}

.device-table div:last-child {
  border-bottom: 0;
}

.device-table strong {
  color: #edf1e8;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.device-table span,
.device-table small {
  color: rgba(237, 241, 232, 0.56);
}

.device-table em {
  justify-self: start;
  border: 1px solid rgba(184, 207, 141, 0.5);
  color: #b8cf8d;
  font-style: normal;
  padding: 3px 7px;
}

.device-table em.warn {
  border-color: #d2ad62;
  color: #d2ad62;
}

.device-table em.off {
  border-color: #c66754;
  color: #c66754;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.image-grid article {
  border: 1px solid rgba(216, 198, 162, 0.18);
  background: rgba(7, 24, 12, 0.58);
  padding: 12px;
}

.image-placeholder {
  aspect-ratio: 4 / 3;
  margin-bottom: 12px;
  border: 1px solid rgba(216, 198, 162, 0.18);
  background:
    radial-gradient(circle at 30% 34%, rgba(216, 198, 162, 0.9) 0 3px, transparent 4px),
    radial-gradient(circle at 62% 48%, rgba(198, 103, 84, 0.9) 0 4px, transparent 5px),
    radial-gradient(circle at 76% 28%, rgba(184, 207, 141, 0.9) 0 3px, transparent 4px),
    linear-gradient(135deg, rgba(47, 74, 53, 0.8), rgba(7, 24, 12, 0.9));
}

.image-grid strong,
.image-grid span,
.image-grid p,
.image-grid em {
  display: block;
}

.image-grid strong {
  color: #edf1e8;
  font-weight: 400;
}

.image-grid span,
.image-grid p,
.image-grid em {
  color: rgba(237, 241, 232, 0.6);
  font-size: 12px;
  font-style: normal;
  line-height: 1.7;
}

.task-table {
  border: 1px solid var(--line);
}

.task-head,
.task-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr 0.7fr;
  gap: 14px;
  align-items: center;
  padding: 18px 22px;
}

.task-head {
  color: var(--field-deep);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.task-row {
  border-top: 1px solid var(--line);
}

.badge {
  display: inline-flex;
  width: max-content;
  padding: 4px 9px;
  border: 1px solid currentColor;
  font-size: 12px;
}

.badge.done {
  color: var(--field);
}

.badge.doing {
  color: var(--clay);
}

.badge.warn {
  color: #a15343;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
  padding: clamp(72px, 10vw, 126px) clamp(20px, 5vw, 72px);
  background: var(--field-deep);
  color: #fff;
}

.contact-section h2 {
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel {
  padding: 34px;
  color: var(--ink);
}

.contact-panel span,
.contact-panel strong,
.contact-panel a {
  display: block;
}

.contact-panel span {
  color: var(--clay);
  font-size: 13px;
}

.contact-panel strong {
  margin: 14px 0 24px;
  color: var(--field-deep);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.5;
}

.contact-panel a {
  color: var(--field);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 5vw, 72px);
  background: #101811;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

@media (max-width: 1180px) {
  .hero,
  .platform-section,
  .engine-detail,
  .trace-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-field-board {
    grid-template-columns: 1fr;
  }

  .hero-side-stack .console-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-side-stack .metric {
    border-right: 1px solid rgba(255, 255, 255, 0.14);
  }

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

  .trust-strip p {
    grid-column: 1 / -1;
  }

  .service-grid,
  .trace-steps,
  .platform-kpis,
  .platform-main,
  .module-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .platform-shell {
    grid-template-columns: 1fr;
  }

  .platform-sidebar {
    grid-template-columns: repeat(3, 1fr);
    border-right: 0;
    border-bottom: 1px solid rgba(216, 198, 162, 0.22);
  }

  .engine-copy {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    min-height: 76px;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .logo-link img {
    width: 168px;
  }

  .hero {
    padding-top: 44px;
  }

  .hero h1 {
    font-size: 40px;
    line-height: 1.16;
  }

  .lead {
    font-size: 15px;
    line-height: 1.9;
  }

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

  .hero-field-board {
    padding: 14px;
  }

  .field-aerial {
    min-height: 320px;
  }

  .hero-visual-head {
    display: grid;
  }

  .console-metrics,
  .console-grid,
  .trust-strip,
  .base-grid,
  .service-grid,
  .trace-steps,
  .platform-kpis,
  .platform-main,
  .mini-readings,
  .module-cards,
  .image-grid {
    grid-template-columns: 1fr;
  }

  .hero-side-stack .console-metrics {
    grid-template-columns: 1fr;
  }

  .platform-sidebar {
    display: flex;
    overflow-x: auto;
  }

  .platform-sidebar button {
    min-width: 150px;
  }

  .module-toolbar {
    display: grid;
  }

  .metric {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--white-line);
  }

  .platform-kpi {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(216, 198, 162, 0.22);
  }

  .platform-top,
  .panel-title {
    display: grid;
  }

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

  .plot {
    padding: 8px;
  }

  .plot strong {
    font-size: 14px;
  }

  .plot span,
  .plot small {
    font-size: 10px;
  }

  .flow-row {
    grid-template-columns: 1fr;
  }

  .device-table div {
    grid-template-columns: 1fr;
  }

  .task-head {
    display: none;
  }

  .task-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  dl div {
    display: grid;
  }

  dd {
    text-align: left;
  }

  footer {
    flex-direction: column;
  }
}