:root {
  color-scheme: light;
  --ink: #111317;
  --muted: #66707c;
  --line: #ddd6c7;
  --paper: #f3efe6;
  --ivory: #fbf8ef;
  --white: #ffffff;
  --charcoal: #111419;
  --graphite: #1a1d22;
  --steel: #334257;
  --cyan: #2ab7c8;
  --red: #c84a3d;
  --gold: #d8b36a;
  --deep-gold: #a87d35;
  --green: #2f8f68;
  --radius: 8px;
  --shadow: 0 30px 90px rgba(17, 19, 23, 0.2);
  --luxury-shadow: 0 28px 100px rgba(9, 10, 13, 0.34);
  font-family:
    Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: rgba(12, 14, 18, 0.78);
  border-bottom: 1px solid rgba(216, 179, 106, 0.2);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.28));
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  letter-spacing: 0.02em;
}

.brand small {
  margin-top: 2px;
  color: rgba(216, 179, 106, 0.78);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--white);
}

.header-cta,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  font-weight: 700;
}

.header-cta {
  padding: 0 18px;
  color: var(--ink);
  background: linear-gradient(135deg, #fffaf0, #d8b36a);
  font-size: 14px;
  box-shadow: 0 14px 34px rgba(216, 179, 106, 0.18);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--charcoal);
}

.hero-media,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.08) brightness(0.96);
  transform: scale(1.02);
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(8, 10, 13, 0.95) 0%, rgba(8, 10, 13, 0.9) 35%, rgba(8, 10, 13, 0.3) 72%, rgba(8, 10, 13, 0.08) 100%),
    linear-gradient(0deg, rgba(8, 10, 13, 0.9) 0%, rgba(8, 10, 13, 0.15) 50%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 160px 0 64px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 0.96;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
}

.hero-copy {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  padding: 0 26px;
}

.primary-action {
  color: var(--white);
  background: linear-gradient(135deg, #c84a3d, #8f2d24);
  box-shadow: 0 18px 44px rgba(200, 74, 61, 0.34);
}

.secondary-action {
  border: 1px solid rgba(216, 179, 106, 0.42);
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(880px, 100%);
  margin: 64px 0 0;
  padding: 0;
  background: rgba(216, 179, 106, 0.24);
  border: 1px solid rgba(216, 179, 106, 0.24);
  box-shadow: var(--luxury-shadow);
}

.hero-metrics div {
  padding: 22px;
  background: rgba(14, 16, 20, 0.72);
}

.hero-metrics dt {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

section {
  padding: clamp(76px, 10vw, 138px) clamp(20px, 5vw, 72px);
}

.section-head {
  width: min(1120px, 100%);
  margin: 0 auto 38px;
}

.section-head h2,
.method-content h2,
.contact h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-head p,
.method-content p,
.contact p {
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.7fr);
  gap: 48px;
  align-items: end;
}

.pain-section {
  background:
    linear-gradient(180deg, var(--paper), var(--ivory));
}

.pain-grid,
.program-grid,
.case-grid,
.audience-list,
.module-grid,
.scenario-grid,
.decision-grid,
.faq-list {
  display: grid;
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 16px;
}

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

.pain-grid article,
.program-card,
.case-grid article,
.audience-list article,
.module-grid article,
.scenario-grid article,
.decision-grid article,
.faq-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
}

.pain-grid article {
  padding: 28px;
}

.pain-grid span {
  color: var(--deep-gold);
  font-size: 12px;
  font-weight: 900;
}

.pain-grid h3,
.program-card h3,
.case-grid h3,
.audience-list h3,
.module-grid h3,
.scenario-grid h3,
.decision-grid h3,
.faq-list h3 {
  margin: 14px 0 10px;
  font-size: 22px;
  line-height: 1.28;
}

.pain-grid p,
.program-card p,
.case-grid p,
.audience-list p,
.module-grid p,
.scenario-grid p,
.decision-grid p,
.faq-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.field,
.diagnostic,
.playbook,
.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.field {
  background:
    linear-gradient(135deg, rgba(216, 179, 106, 0.12), transparent 32%),
    #ffffff;
}

.field-copy h2,
.diagnostic-copy h2,
.playbook-copy h2,
.video-copy h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.12;
}

.field-copy p,
.diagnostic-copy p,
.playbook-copy p,
.video-copy p {
  max-width: 660px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.check-list span {
  position: relative;
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 12px 14px 12px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--steel);
  font-weight: 800;
}

.check-list span::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--red);
  transform: translateY(-50%);
}

.field-image,
.diagnostic-image,
.geo-image,
.playbook-image {
  margin: 0;
}

.field-image img,
.diagnostic-image img,
.geo-image img,
.playbook-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--luxury-shadow);
}

.field-image figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.programs {
  color: var(--white);
  background:
    radial-gradient(circle at 12% 6%, rgba(216, 179, 106, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(42, 183, 200, 0.08), transparent 42%),
    #101318;
}

.programs .section-head p {
  color: rgba(255, 255, 255, 0.66);
}

.program-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.program-card {
  min-height: 280px;
  padding: 28px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(216, 179, 106, 0.18);
}

.program-card.featured {
  grid-row: span 3;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(160deg, rgba(200, 74, 61, 0.22), rgba(216, 179, 106, 0.12)),
    rgba(255, 255, 255, 0.08);
  box-shadow: var(--luxury-shadow);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.card-top span {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--ink);
  background: linear-gradient(135deg, #f6df9d, var(--gold));
  font-weight: 800;
}

.program-card h3 {
  margin-top: 32px;
  font-size: clamp(24px, 3vw, 40px);
}

.program-card:not(.featured) h3 {
  font-size: 24px;
}

.program-card p,
.program-card li {
  color: rgba(255, 255, 255, 0.68);
}

.program-card ul {
  display: grid;
  gap: 10px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.program-card li {
  position: relative;
  padding-left: 22px;
}

.program-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.cases {
  color: var(--white);
  background:
    radial-gradient(circle at 88% 8%, rgba(216, 179, 106, 0.18), transparent 32%),
    linear-gradient(155deg, rgba(42, 183, 200, 0.08), transparent 42%),
    #0f1217;
}

.cases .section-head p {
  color: rgba(255, 255, 255, 0.66);
}

.case-showcase {
  display: grid;
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.case-feature {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(216, 179, 106, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--luxury-shadow);
}

.case-feature figure {
  margin: 0;
}

.case-feature img,
.case-grid img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.case-feature img {
  aspect-ratio: 4 / 3;
}

.case-feature-copy {
  padding: clamp(10px, 2vw, 22px);
}

.case-feature-copy span,
.case-grid span,
.case-video-copy span {
  display: block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-feature-copy h3,
.case-video-copy h3 {
  margin: 14px 0 14px;
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1.08;
  text-wrap: balance;
}

.case-feature-copy p,
.case-video-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
  line-height: 1.72;
}

.case-feature-copy dl {
  display: grid;
  gap: 1px;
  margin: 28px 0 0;
  border: 1px solid rgba(216, 179, 106, 0.16);
  background: rgba(216, 179, 106, 0.16);
}

.case-feature-copy dl div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.07);
}

.case-feature-copy dt,
.case-feature-copy dd {
  margin: 0;
}

.case-feature-copy dt {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.case-feature-copy dd {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.55;
}

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

.case-grid article {
  overflow: hidden;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(216, 179, 106, 0.18);
}

.case-grid img {
  aspect-ratio: 16 / 9;
  border-radius: 0;
}

.case-grid article > div {
  padding: 26px;
}

.case-grid h3 {
  color: var(--white);
}

.case-grid p {
  color: rgba(255, 255, 255, 0.66);
}

.case-video-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(380px, 1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: 28px;
  border: 1px solid rgba(216, 179, 106, 0.2);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(216, 179, 106, 0.1), transparent 45%),
    rgba(255, 255, 255, 0.055);
}

.case-video video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(216, 179, 106, 0.2);
  border-radius: 6px;
  background: #000000;
  object-fit: cover;
}

.diagnostic {
  color: var(--white);
  background:
    radial-gradient(circle at 85% 12%, rgba(216, 179, 106, 0.18), transparent 32%),
    linear-gradient(145deg, rgba(200, 74, 61, 0.11), transparent 38%),
    linear-gradient(315deg, rgba(42, 183, 200, 0.1), transparent 42%),
    #12151a;
}

.diagnostic-copy p {
  color: rgba(255, 255, 255, 0.68);
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.mini-metrics div {
  padding: 18px;
  border: 1px solid rgba(216, 179, 106, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.mini-metrics strong,
.mini-metrics span {
  display: block;
}

.mini-metrics strong {
  color: var(--white);
  font-size: 24px;
}

.mini-metrics span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.5;
}

.method {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
  background: var(--ivory);
}

.method-visual {
  position: relative;
  min-height: 520px;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 25% 25%, rgba(216, 179, 106, 0.22), transparent 28%),
    radial-gradient(circle at 80% 76%, rgba(42, 183, 200, 0.16), transparent 32%),
    linear-gradient(135deg, #171a20, #26303b 58%, #0e1014);
  box-shadow: var(--luxury-shadow);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
}

.orbit-a {
  width: 370px;
  height: 370px;
  top: 58px;
  left: 50%;
  transform: translateX(-50%);
}

.orbit-b {
  width: 240px;
  height: 240px;
  right: -48px;
  bottom: -36px;
}

.method-panel {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 34px;
  padding: 26px;
  border: 1px solid rgba(216, 179, 106, 0.22);
  border-radius: var(--radius);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.method-panel span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.method-panel strong {
  display: block;
  margin-top: 12px;
  font-size: 30px;
  line-height: 1.18;
}

.method-panel p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.steps {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.steps article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.steps span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--steel), #151b24);
  font-weight: 800;
}

.steps h3 {
  margin: 0 0 7px;
  font-size: 22px;
}

.steps p {
  margin: 0;
}

.curriculum {
  background:
    linear-gradient(180deg, var(--paper), #eee7d9);
}

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

.module-grid article {
  position: relative;
  min-height: 250px;
  padding: 28px;
  overflow: hidden;
  box-shadow: 0 18px 54px rgba(17, 19, 23, 0.06);
}

.module-grid article::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 118px;
  height: 118px;
  border: 22px solid rgba(216, 179, 106, 0.18);
  border-radius: 50%;
}

.module-grid span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, var(--steel), #141a22);
  font-size: 13px;
  font-weight: 800;
}

.roadmap {
  background: #ffffff;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(1120px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(216, 179, 106, 0.28);
  background: rgba(216, 179, 106, 0.28);
  box-shadow: 0 22px 70px rgba(17, 19, 23, 0.08);
}

.timeline article {
  min-height: 270px;
  padding: 28px;
  background: var(--white);
}

.timeline span {
  color: var(--deep-gold);
  font-size: 13px;
  font-weight: 900;
}

.timeline h3 {
  margin: 54px 0 12px;
  font-size: 24px;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.geo {
  background:
    radial-gradient(circle at 18% 8%, rgba(42, 183, 200, 0.12), transparent 28%),
    #edf1ef;
}

.geo-image {
  width: min(1120px, 100%);
  margin: 0 auto 20px;
}

.geo-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.geo-node {
  min-height: 132px;
  display: grid;
  place-items: center;
  padding: 20px;
  border: 1px solid rgba(50, 70, 95, 0.12);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--steel);
  font-weight: 800;
  text-align: center;
}

.geo-node.main {
  grid-column: span 3;
  min-height: 156px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(168, 125, 53, 0.92), rgba(22, 24, 29, 0.96)),
    var(--steel);
  font-size: clamp(28px, 4vw, 48px);
  box-shadow: var(--shadow);
}

.playbook {
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  background: #ffffff;
}

.scenarios {
  color: var(--white);
  background:
    radial-gradient(circle at 12% 10%, rgba(216, 179, 106, 0.18), transparent 32%),
    linear-gradient(160deg, rgba(200, 74, 61, 0.09), transparent 34%),
    #111419;
}

.scenarios .section-head p {
  color: rgba(255, 255, 255, 0.66);
}

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

.scenario-grid article {
  min-height: 310px;
  padding: 28px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(216, 179, 106, 0.18);
}

.scenario-grid strong {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--gold);
  font-size: 13px;
}

.scenario-grid h3 {
  color: var(--white);
}

.scenario-grid p {
  color: rgba(255, 255, 255, 0.66);
}

.video-section {
  grid-template-columns: minmax(0, 0.76fr) minmax(380px, 1fr);
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(216, 179, 106, 0.13), transparent 45%),
    #0e1014;
}

.video-copy p {
  color: rgba(255, 255, 255, 0.68);
}

.source-note {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px !important;
}

.video-frame {
  padding: 10px;
  border: 1px solid rgba(216, 179, 106, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background: #000000;
  object-fit: cover;
}

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

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

.audience-list article {
  padding: 30px;
}

.decision {
  background:
    linear-gradient(135deg, rgba(216, 179, 106, 0.12), transparent 34%),
    var(--paper);
}

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

.decision-grid article {
  min-height: 292px;
  padding: 30px;
  background: var(--white);
  box-shadow: 0 18px 52px rgba(17, 19, 23, 0.06);
}

.decision-grid span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, var(--red), #8f2d24);
  font-size: 13px;
  font-weight: 900;
}

.decision-grid h3 {
  margin-top: 46px;
}

.faq {
  background: #ffffff;
}

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

.faq-list article {
  padding: 28px;
}

.faq-list h3 {
  margin-top: 0;
  font-size: 22px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.6fr);
  gap: clamp(32px, 6vw, 80px);
  color: var(--white);
  background:
    radial-gradient(circle at 80% 20%, rgba(216, 179, 106, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(42, 183, 200, 0.1), transparent 34%),
    var(--charcoal);
}

.contact p {
  color: rgba(255, 255, 255, 0.68);
}

.contact-form,
.wechat-card {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid rgba(216, 179, 106, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.wechat-card {
  gap: 22px;
}

.wechat-card-head span {
  display: block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wechat-card-head strong {
  display: block;
  margin-top: 10px;
  color: var(--white);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.14;
}

.wechat-card-head p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.7;
}

.wechat-qr-wrap {
  padding: 18px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(216, 179, 106, 0.18), transparent 42%),
    #fffdf7;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
}

.wechat-qr-wrap img {
  width: min(100%, 360px);
  margin: 0 auto;
  border-radius: 6px;
}

.wechat-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.wechat-steps span {
  min-height: 44px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid rgba(216, 179, 106, 0.18);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.07);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 0 13px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  font: inherit;
}

.contact-form input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

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

.contact-form button {
  width: 100%;
  border: 0;
  color: var(--white);
  background: linear-gradient(135deg, var(--red), #8f2d24);
  font: inherit;
  cursor: pointer;
}

.form-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.68);
  background: #0f1115;
  font-size: 13px;
}

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

.site-footer p {
  margin: 6px 0 0;
}

.site-footer a {
  color: var(--cyan);
}

@media (max-width: 940px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 960px;
  }

  .hero-inner {
    padding-top: 180px;
  }

  .hero h1 {
    font-size: clamp(42px, 10vw, 70px);
  }

  .hero-metrics,
  .pain-grid,
  .program-grid,
  .case-grid,
  .audience-list,
  .module-grid,
  .scenario-grid,
  .decision-grid,
  .faq-list,
  .timeline,
  .geo-board,
  .field,
  .case-feature,
  .case-video-panel,
  .diagnostic,
  .playbook,
  .video-section,
  .method,
  .contact,
  .split {
    grid-template-columns: 1fr;
  }

  .program-card.featured {
    grid-row: auto;
  }

  .geo-node.main {
    grid-column: auto;
  }

  .field,
  .diagnostic,
  .playbook,
  .video-section {
    gap: 28px;
  }

  .diagnostic-image {
    order: 2;
  }

  .diagnostic-copy {
    order: 1;
  }

  .timeline article {
    min-height: auto;
  }

  .timeline h3 {
    margin-top: 28px;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 16px;
    padding: 14px 18px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .nav {
    gap: 8px;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 2px;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .hero {
    min-height: 920px;
  }

  .hero-inner {
    width: calc(100% - 32px);
    padding-bottom: 34px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions a {
    width: 100%;
  }

  .hero-metrics {
    margin-top: 42px;
  }

  .hero-metrics div,
  .pain-grid article,
  .program-card,
  .case-grid article > div,
  .case-video-panel,
  .module-grid article,
  .scenario-grid article,
  .decision-grid article,
  .faq-list article,
  .timeline article,
  .audience-list article,
  .contact-form,
  .wechat-card {
    padding: 22px;
  }

  section {
    padding: 66px 16px;
  }

  .check-list,
  .mini-metrics,
  .wechat-steps {
    grid-template-columns: 1fr;
  }

  .method-visual {
    min-height: 420px;
  }

  .method-panel {
    left: 18px;
    right: 18px;
    bottom: 18px;
    padding: 20px;
  }

  .method-panel strong {
    font-size: 24px;
  }

  .field-image img,
  .diagnostic-image img,
  .geo-image img,
  .playbook-image img {
    box-shadow: 0 18px 48px rgba(17, 19, 23, 0.16);
  }

  .site-footer {
    display: block;
  }

  .case-feature {
    padding: 12px;
  }

  .case-feature-copy dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}