:root {
  --soil: #34281d;
  --earth: #7a4f28;
  --leaf: #237a4b;
  --leaf-deep: #0f5134;
  --neon: #6ee7a8;
  --blue: #235b7a;
  --sky: #dceee7;
  --mint: #edf8f2;
  --paper: #f8f5ee;
  --gold: #d49a2d;
  --ink: #1f2a24;
  --muted: #66736c;
  --line: #d9e5dc;
  --white: #fffdfa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 8%, rgba(110, 231, 168, 0.16), transparent 28%),
    radial-gradient(circle at 8% 40%, rgba(212, 154, 45, 0.12), transparent 26%),
    var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  overflow-x: hidden;
}

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

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

.loading-state {
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 12px;
  padding: clamp(32px, 8vw, 96px);
  background: var(--leaf-deep);
  color: white;
}

.loading-state h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.08;
}

.loading-state p:last-child {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.loading-state code {
  color: white;
  font-weight: 800;
}

.error-state {
  background: var(--soil);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 58px);
  color: white;
  background: rgba(18, 38, 27, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gold);
  color: #173421;
  box-shadow: 0 0 24px rgba(212, 154, 45, 0.38);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  font-size: 14px;
}

.nav-links a,
.nav-action {
  opacity: 0.92;
}

.nav-links a:hover,
.nav-action:hover {
  opacity: 1;
}

.nav-action {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  padding: 120px clamp(20px, 5vw, 72px) 38px;
  overflow: hidden;
  color: white;
  isolation: isolate;
}

.hero-bg,
.hero-overlay,
.hero-orbit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  object-fit: cover;
  filter: saturate(1.12) contrast(1.04);
}

.hero-orbit {
  z-index: 1;
  opacity: 0.78;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-overlay {
  z-index: 1;
  background:
    radial-gradient(circle at 72% 42%, rgba(110, 231, 168, 0.18), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(212, 154, 45, 0.15), transparent 22%),
    linear-gradient(90deg, rgba(20, 30, 20, 0.9) 0%, rgba(20, 30, 20, 0.62) 48%, rgba(20, 30, 20, 0.2) 100%),
    linear-gradient(0deg, rgba(10, 18, 12, 0.92) 0%, rgba(10, 18, 12, 0.16) 58%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 930px;
  padding-bottom: 34px;
  min-width: 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.06;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  text-shadow: 0 12px 52px rgba(0, 0, 0, 0.38);
}

.hero-copy {
  max-width: 820px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.8;
}

.hero-actions,
.team-points,
.mini-stats,
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 30px;
}

.hero-tags {
  margin-top: 18px;
}

.hero-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
}

.primary-btn {
  background: var(--gold);
  color: #1e2a1f;
  box-shadow: 0 14px 34px rgba(212, 154, 45, 0.28);
}

.secondary-btn {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.primary-btn svg,
.secondary-btn svg {
  width: 18px;
  height: 18px;
}

.hero-metrics {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: min(100%, 980px);
}

.hero-metrics article {
  padding: 18px 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 22px 60px rgba(0, 0, 0, 0.18);
}

.hero-metrics strong {
  display: block;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
}

.intro-band,
.section,
.contact {
  padding: clamp(56px, 8vw, 110px) clamp(20px, 5vw, 72px);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(26px, 5vw, 80px);
  background: var(--leaf-deep);
  color: white;
}

.intro-band h2,
.section-heading h2,
.contact h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.intro-band p:last-child,
.section-heading {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.9;
}

.section-heading {
  max-width: 940px;
  margin-bottom: 36px;
  color: var(--ink);
}

.section-heading h2::after {
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--neon));
  content: "";
}

.section-heading p {
  max-width: 920px;
  margin: 16px 0 0;
  color: var(--muted);
}

.compact-heading {
  margin-bottom: 28px;
}

.split,
.tech-proof,
.evidence-layout,
.team-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.image-stack {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 14px;
  align-items: end;
}

.image-stack img,
.tech-proof img,
.case-panel img,
.team-layout img {
  width: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.image-stack img:first-child {
  height: 460px;
}

.image-stack img:last-child {
  height: 330px;
}

.problem-grid,
.impact-grid,
.tech-flow,
.audience-grid,
.moat-grid,
.loop-grid {
  display: grid;
  gap: 16px;
}

.problem-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.problem-grid article,
.audience-grid article,
.tech-flow article,
.case-panel,
.loop-grid article,
.timeline article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 48px rgba(31, 42, 36, 0.06);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.problem-grid article:hover,
.audience-grid article:hover,
.tech-flow article:hover,
.case-panel:hover,
.loop-grid article:hover,
.timeline article:hover {
  transform: translateY(-4px);
  border-color: rgba(35, 122, 75, 0.34);
  box-shadow: 0 26px 60px rgba(31, 42, 36, 0.12);
}

.problem-grid article,
.audience-grid article {
  padding: 22px;
}

.problem-grid svg,
.audience-grid svg {
  color: var(--leaf);
}

.audience {
  background: var(--paper);
}

.audience-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.audience-grid article {
  min-height: 210px;
}

h3 {
  margin: 12px 0 10px;
  font-size: 20px;
}

p {
  line-height: 1.8;
}

.problem-grid p,
.audience-grid p,
.tech-flow p,
.case-panel p,
.timeline p,
.team-copy p,
.evidence-copy p,
.business-panel p,
.loop-grid p {
  margin: 0;
  color: var(--muted);
}

.tech-section,
.impact,
.team {
  background: var(--mint);
}

.tech-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tech-flow article {
  padding: 24px;
  min-height: 250px;
}

.tech-flow span,
.timeline span {
  display: inline-block;
  color: var(--gold);
  font-weight: 900;
}

.tech-proof {
  margin-top: 28px;
  padding: 24px;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 70px rgba(31, 42, 36, 0.09);
}

.tech-proof img {
  height: 420px;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink);
}

.check-list svg {
  flex: 0 0 auto;
  width: 18px;
  margin-top: 5px;
  color: var(--leaf);
}

.moat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.moat-grid article {
  padding: 20px;
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(15, 81, 52, 0.96), rgba(35, 91, 122, 0.92)),
    var(--leaf-deep);
  color: white;
  box-shadow: 0 20px 54px rgba(15, 81, 52, 0.18);
}

.moat-grid strong,
.moat-grid span {
  display: block;
}

.moat-grid strong {
  font-size: 18px;
}

.moat-grid span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.65;
}

.impact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 22px;
}

.impact-grid article {
  padding: 26px 22px;
  color: white;
  background:
    linear-gradient(145deg, rgba(35, 91, 122, 0.98), rgba(15, 81, 52, 0.95)),
    var(--blue);
  border-radius: 8px;
  box-shadow: 0 18px 54px rgba(35, 91, 122, 0.18);
}

.impact-grid strong {
  display: block;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.impact-grid span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
}

.case-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-panel {
  overflow: hidden;
  background: white;
}

.case-panel img {
  height: 270px;
  border-radius: 0;
}

.case-panel div {
  padding: 24px;
}

.products {
  background:
    radial-gradient(circle at 88% 18%, rgba(212, 154, 45, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(255, 253, 250, 0.98), rgba(237, 248, 242, 0.78)),
    var(--white);
}

.products-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.product-showcase {
  padding: 18px;
  border: 1px solid rgba(35, 122, 75, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 24px 70px rgba(31, 42, 36, 0.1);
}

.product-showcase img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 8px;
}

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

.product-list article {
  position: relative;
  padding: 24px 24px 24px 78px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 48px rgba(31, 42, 36, 0.07);
}

.product-list article > span {
  position: absolute;
  top: 24px;
  left: 24px;
  color: var(--gold);
  font-weight: 900;
}

.product-list h3 {
  margin-top: 0;
}

.product-list p {
  margin: 0;
  color: var(--muted);
}

.product-list strong {
  display: inline-block;
  margin-top: 14px;
  color: var(--leaf-deep);
  font-size: 14px;
}

.dashboard-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
  margin: 0 0 22px;
  padding: 26px;
  border: 1px solid rgba(35, 122, 75, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(237, 248, 242, 0.86)),
    white;
  box-shadow: 0 22px 70px rgba(31, 42, 36, 0.09);
}

.dashboard-panel h3 {
  margin-top: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
}

.dashboard-panel p:last-child {
  margin: 0;
  color: var(--muted);
}

.chart-wrap {
  min-height: 330px;
}

.business {
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.business::before {
  position: absolute;
  inset: 84px 4vw auto auto;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(35, 122, 75, 0.16);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.loop-rail {
  position: relative;
  height: 3px;
  margin: 0 0 26px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(35, 122, 75, 0.14);
}

.loop-rail span {
  position: absolute;
  top: -6px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 28px rgba(212, 154, 45, 0.84);
}

.loop-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.loop-grid article {
  position: relative;
  min-height: 246px;
  padding: 24px;
  overflow: hidden;
}

.loop-grid span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: #1e2a1f;
  font-weight: 900;
  box-shadow: 0 0 0 8px rgba(212, 154, 45, 0.12);
}

.business-panel {
  display: grid;
  grid-template-columns: minmax(280px, 1.15fr) minmax(260px, 0.85fr);
  gap: clamp(20px, 4vw, 48px);
  align-items: start;
  margin-top: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(248, 245, 238, 0.98), rgba(237, 248, 242, 0.92)),
    var(--paper);
  box-shadow: 0 22px 70px rgba(31, 42, 36, 0.08);
}

.business-panel h3 {
  margin-top: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
}

.evidence-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

.evidence-gallery img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.evidence-table {
  display: grid;
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 20px 64px rgba(31, 42, 36, 0.08);
}

.evidence-table [role="row"] {
  display: grid;
  grid-template-columns: minmax(120px, 0.5fr) minmax(220px, 1fr) minmax(260px, 1.35fr);
}

.evidence-table [role="row"] + [role="row"] {
  border-top: 1px solid var(--line);
}

.evidence-table span {
  padding: 16px 18px;
  line-height: 1.65;
}

.evidence-table [role="columnheader"] {
  color: white;
  background: var(--leaf-deep);
  font-weight: 800;
}

.evidence-table [role="row"]:not(:first-child) span:first-child {
  color: var(--leaf-deep);
  font-weight: 800;
}

.mini-stats {
  margin-top: 24px;
}

.mini-stats span,
.team-points span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--leaf-deep);
  font-weight: 700;
}

.mini-stats b {
  font-size: 22px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline article {
  min-height: 240px;
  padding: 28px;
  background: linear-gradient(180deg, white 0%, #f5fbf7 100%);
}

.team-layout img {
  height: 420px;
}

.team-copy {
  padding: 32px;
  border-left: 5px solid var(--gold);
  background: white;
  border-radius: 8px;
}

.team-points {
  margin-top: 22px;
}

.team-points svg {
  width: 18px;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 80px);
  color: white;
  background:
    radial-gradient(circle at 82% 24%, rgba(110, 231, 168, 0.12), transparent 28%),
    linear-gradient(135deg, #34281d, #0f3327 70%),
    var(--soil);
}

.contact p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.76);
}

.contact-card {
  flex: 0 0 min(420px, 100%);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.16);
}

.reveal-fallback {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.contact-card div + div,
.contact-card .primary-btn,
.contact-note {
  margin-top: 16px;
}

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

.contact-card span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.contact-card strong {
  margin-top: 4px;
  color: white;
  font-size: 18px;
}

.contact-card .primary-btn {
  width: 100%;
}

.contact-note {
  margin-bottom: 0;
  font-size: 13px;
}

@media (max-width: 1080px) {
  .nav-links {
    display: none;
  }

  .intro-band,
  .split,
  .tech-proof,
  .evidence-layout,
  .team-layout,
  .case-row,
  .business-panel,
  .dashboard-panel,
  .products-layout {
    grid-template-columns: 1fr;
  }

  .tech-flow,
  .impact-grid,
  .timeline,
  .audience-grid,
  .moat-grid,
  .loop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .evidence-gallery {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .nav-action {
    display: none;
  }

  .hero {
    min-height: 100vh;
    padding: 96px 24px 24px;
  }

  .hero-orbit {
    opacity: 0.42;
  }

  .hero-content {
    padding-bottom: 24px;
    max-width: calc(100vw - 48px);
    width: 100%;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.12;
    word-break: normal;
  }

  .hero-copy {
    word-break: normal;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .problem-grid,
  .tech-flow,
  .impact-grid,
  .timeline,
  .evidence-gallery,
  .audience-grid,
  .moat-grid,
  .loop-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-metrics article {
    padding: 14px;
  }

  .image-stack {
    grid-template-columns: 1fr;
  }

  .image-stack img:first-child,
  .image-stack img:last-child,
  .tech-proof img,
  .team-layout img,
  .case-panel img,
  .evidence-gallery img {
    height: auto;
    max-height: none;
  }

  .business-panel,
  .team-copy,
  .dashboard-panel,
  .product-list article {
    padding: 22px;
  }

  .product-list article {
    padding-left: 64px;
  }

  .product-showcase img {
    min-height: 0;
  }

  .chart-wrap {
    min-height: 280px;
  }

  .contact {
    align-items: stretch;
    flex-direction: column;
  }

  .evidence-table,
  .evidence-table [role="row"] {
    display: block;
  }

  .evidence-table [role="row"]:first-child {
    display: none;
  }

  .evidence-table span {
    display: block;
    padding: 12px 16px;
  }

  .evidence-table [role="row"]:not(:first-child) span:first-child {
    background: var(--mint);
  }
}