:root {
  --green-950: #173325;
  --green-800: #17563a;
  --green-700: #1f7a4c;
  --green-100: #e9f4e5;
  --beige-100: #f6f1e8;
  --beige-200: #eee5d5;
  --paper: #fffdf8;
  --text: #173325;
  --muted: #52695c;
  --line: rgba(31, 122, 76, 0.14);
  --gold: #ffd166;
  --blue: #2f80c1;
  --shadow: 0 24px 80px rgba(23, 51, 37, 0.14);
  --radius-lg: 32px;
  --radius-md: 22px;
  color: var(--text);
  background: var(--beige-100);
  font-family: "HarmonyOS Sans SC", "Alibaba PuHuiTi", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(circle at 8% 18%, rgba(31, 122, 76, 0.12), transparent 28rem),
    radial-gradient(circle at 82% 20%, rgba(255, 209, 102, 0.22), transparent 22rem),
    linear-gradient(180deg, #fbf7ee 0%, var(--beige-100) 48%, #f8fbf4 100%);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image: linear-gradient(rgba(23, 51, 37, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 51, 37, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
}

img,
svg {
  max-width: 100%;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(23, 51, 37, 0.08);
  background: rgba(255, 253, 248, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand__mark {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--green-950);
  box-shadow: 0 10px 28px rgba(23, 51, 37, 0.22);
}

.brand__mark span {
  position: absolute;
  width: 16px;
  height: 7px;
  border-radius: 2px;
  background: #dff5e7;
  transform: rotate(32deg);
}

.brand__mark span:nth-child(1) { translate: -2px -8px; }
.brand__mark span:nth-child(2) { translate: 3px 0; opacity: 0.8; }
.brand__mark span:nth-child(3) { translate: -2px 8px; opacity: 0.6; }

.brand__text {
  font-size: 21px;
  line-height: 1;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: var(--green-700);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 4vw, 48px);
  color: #30483a;
  font-size: 15px;
  font-weight: 700;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green-700);
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.22s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.header-cta,
.button--primary {
  color: white;
  background: linear-gradient(135deg, var(--green-700), #16915a);
  box-shadow: 0 14px 36px rgba(31, 122, 76, 0.28);
}

.button--ghost {
  color: var(--green-800);
  border: 1px solid rgba(31, 122, 76, 0.28);
  background: rgba(255, 255, 255, 0.7);
}

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

.nav-toggle {
  display: none;
  width: 46px;
  height: 42px;
  padding: 9px;
  color: var(--green-950);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: currentColor;
  border-radius: 99px;
}

.nav-toggle b {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.section-shell {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(48px, 8vw, 98px) 0 58px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green-700);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-title h2,
.security-card h2 {
  margin: 0;
  color: var(--green-950);
  font-size: clamp(40px, 5.2vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.08em;
}

.hero__lead {
  max-width: 640px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.9;
}

.hero__actions,
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.trust-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  color: #315544;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.76);
  font-size: 14px;
  font-weight: 800;
}

.hero__visual {
  position: relative;
  min-width: 0;
}

.dashboard-card {
  position: relative;
  display: grid;
  grid-template-columns: 148px 1fr;
  min-height: 560px;
  border: 1px solid rgba(23, 51, 37, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  overflow: visible;
}

.dash-sidebar {
  padding: 24px 16px;
  color: #cfeadb;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  background: linear-gradient(180deg, #0f3b27, #173325);
}

.dash-logo {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  place-items: center;
  color: var(--green-950);
  border-radius: 16px;
  background: #dff5e7;
  font-weight: 900;
}

.dash-sidebar span {
  display: block;
  margin: 8px 0;
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
}

.dash-sidebar .active {
  color: white;
  background: rgba(255, 255, 255, 0.14);
}

.dash-main {
  min-width: 0;
  padding: 26px;
}

.dash-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.dash-head strong {
  display: block;
  font-size: 20px;
}

.dash-head small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.safe-chip {
  padding: 8px 12px;
  color: var(--green-700);
  border-radius: 999px;
  background: var(--green-100);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.metric-card {
  padding: 18px;
  border: 1px solid rgba(23, 51, 37, 0.08);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 12px 34px rgba(23, 51, 37, 0.08);
}

.metric-card b {
  display: block;
  font-size: 30px;
  letter-spacing: -0.05em;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.dash-panels {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(190px, 0.65fr);
  gap: 16px;
  margin-top: 18px;
}

.map-panel {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border: 1px solid rgba(23, 51, 37, 0.08);
  border-radius: 20px;
  background:
    linear-gradient(30deg, transparent 48%, rgba(31, 122, 76, 0.12) 49%, rgba(31, 122, 76, 0.12) 51%, transparent 52%),
    linear-gradient(110deg, transparent 48%, rgba(47, 128, 193, 0.12) 49%, rgba(47, 128, 193, 0.12) 51%, transparent 52%),
    linear-gradient(0deg, rgba(23, 51, 37, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 51, 37, 0.045) 1px, transparent 1px),
    #f2f6ef;
  background-size: 160px 160px, 220px 220px, 42px 42px, 42px 42px, auto;
}

.map-pin {
  position: absolute;
  display: grid;
  min-width: 48px;
  height: 42px;
  padding: 0 10px;
  place-items: center;
  color: #7d5a07;
  border: 4px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px 999px 999px 8px;
  background: var(--gold);
  box-shadow: 0 14px 24px rgba(126, 90, 7, 0.22);
  font-size: 12px;
  font-weight: 900;
  transform: rotate(-8deg);
}

.pin-a { left: 12%; top: 22%; }
.pin-b { right: 24%; top: 16%; }
.pin-c { left: 48%; bottom: 16%; }
.pin-d { right: 12%; bottom: 28%; }

.status-panel {
  padding: 16px;
  border: 1px solid rgba(23, 51, 37, 0.08);
  border-radius: 20px;
  background: var(--paper);
}

.ring {
  width: 128px;
  height: 128px;
  margin: 6px auto 18px;
  border-radius: 50%;
  background: conic-gradient(var(--green-700) 0 48%, var(--blue) 48% 90%, #f2a83b 90% 100%);
  mask: radial-gradient(circle, transparent 0 47%, #000 49%);
}

.status-panel dl,
.status-panel div {
  margin: 0;
}

.status-panel div {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid rgba(23, 51, 37, 0.08);
}

.status-panel dt {
  color: var(--muted);
  font-weight: 800;
}

.status-panel dd {
  margin: 0;
  color: var(--green-700);
  font-weight: 900;
}

.media-pop,
.role-pop {
  position: absolute;
  border: 1px solid rgba(23, 51, 37, 0.08);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.94);
  box-shadow: 0 22px 60px rgba(23, 51, 37, 0.16);
  backdrop-filter: blur(16px);
}

.media-pop {
  left: 54px;
  bottom: -42px;
  width: 310px;
  padding: 16px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.media-grid span {
  min-height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, #dbead9, #f2ead8);
}

.media-grid .play {
  position: relative;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #cfe5d7, #e5f1df);
}

.media-grid .play::after {
  width: 0;
  height: 0;
  content: "";
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid var(--green-700);
}

.role-pop {
  right: -30px;
  top: 58px;
  width: 210px;
  padding: 16px;
}

.role-pop span {
  display: block;
  margin-top: 10px;
  padding: 9px 10px;
  border-radius: 12px;
  background: #f2f7ef;
  color: #315544;
  font-size: 12px;
  font-weight: 800;
}

.section-block,
.scenario-section,
.security-section {
  padding: clamp(56px, 8vw, 100px) 0;
}

.section-title {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-title h2,
.security-card h2 {
  font-size: clamp(32px, 4vw, 52px);
}

.section-title p:not(.eyebrow),
.security-card p,
.compliance-note {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.scenario-card {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border: 1px solid rgba(23, 51, 37, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.86);
  box-shadow: 0 16px 52px rgba(23, 51, 37, 0.08);
  overflow: hidden;
}

.feature-card::after,
.scenario-card::after {
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 110px;
  height: 110px;
  content: "";
  border-radius: 50%;
  background: rgba(31, 122, 76, 0.08);
}

.feature-card__icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  place-items: center;
  color: white;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--green-700), #3a9d68);
  box-shadow: 0 14px 30px rgba(31, 122, 76, 0.22);
  font-weight: 900;
}

.feature-card h3,
.scenario-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.feature-card p,
.scenario-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scenario-card span {
  display: block;
  margin-bottom: 50px;
  color: rgba(31, 122, 76, 0.22);
  font-size: 54px;
  font-weight: 900;
  line-height: 1;
}

.security-card {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 46px;
  padding: clamp(28px, 5vw, 56px);
  color: #e8fff0;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 85% 18%, rgba(255, 209, 102, 0.16), transparent 18rem),
    linear-gradient(135deg, #102a1d, var(--green-950));
  box-shadow: var(--shadow);
}

.security-card .eyebrow,
.security-card h2,
.security-card p {
  color: #e8fff0;
}

.security-card p {
  opacity: 0.82;
}

.security-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.security-list li {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.security-list strong,
.security-list span {
  display: block;
}

.security-list strong {
  margin-bottom: 6px;
}

.security-list span {
  color: #b8dcc8;
  line-height: 1.7;
}

.compliance-note {
  max-width: 920px;
  margin: 24px auto 0;
  text-align: center;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  padding: 30px 20px 44px;
  color: var(--muted);
  border-top: 1px solid rgba(23, 51, 37, 0.08);
  font-size: 14px;
}

.reveal {
  animation: fade-up 0.72s cubic-bezier(.2, .7, .2, 1) both;
}

.reveal--late {
  animation-delay: 0.14s;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero,
  .security-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__copy {
    text-align: center;
  }

  .hero__lead,
  .hero__actions,
  .trust-strip {
    justify-content: center;
    margin-right: auto;
    margin-left: auto;
  }

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

}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto auto;
    gap: 12px;
  }

  .brand__text {
    font-size: 18px;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--paper);
    box-shadow: var(--shadow);
  }

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

  .header-cta {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    width: min(100% - 28px, 1440px);
    padding-top: 42px;
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 54px);
  }

  .dashboard-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .dash-sidebar {
    display: none;
  }

  .dash-main {
    padding: 18px;
  }

  .metric-grid,
  .dash-panels,
  .scenario-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .media-pop,
  .role-pop {
    position: static;
    width: auto;
    margin: 16px;
  }

  .map-panel {
    min-height: 220px;
  }

  .section-shell {
    width: min(100% - 28px, 1440px);
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}