:root {
  --navy: #071b35;
  --blue: #0d4f8f;
  --light-blue: #dbeafe;
  --red: #c9252d;
  --gold: #b8872d;
  --ink: #13243a;
  --muted: #66758a;
  --line: #d9e2ee;
  --paper: #f7f9fc;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 27, 53, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  font-family: "Public Sans", "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

main > section,
.site-footer {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

body.lang-zh {
  font-family: "Noto Sans SC", "Public Sans", system-ui, sans-serif;
}

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

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: rgba(7, 27, 53, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}


.desktop-nav {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.1vw, 24px);
  color: rgba(255, 255, 255, 0.78);
  font-size: 12.5px;
  font-weight: 600;
}

.desktop-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  transition: color 160ms ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.desktop-nav a.active::after {
  transform: scaleX(1);
}

.language-switch {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.lang-button {
  min-width: 48px;
  min-height: 32px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.8);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.lang-button.active {
  color: var(--navy);
  background: var(--white);
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.84;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 27, 53, 0.96) 0%, rgba(7, 27, 53, 0.78) 38%, rgba(7, 27, 53, 0.2) 100%),
    linear-gradient(0deg, rgba(7, 27, 53, 0.86), rgba(7, 27, 53, 0.02) 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(46px, 8vw, 96px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 4px;
  font-weight: 800;
  font-size: 14px;
}

.primary-link {
  color: var(--navy);
  background: var(--white);
}

.secondary-link {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.section {
  min-height: calc(100vh - 76px);
  padding: clamp(54px, 7vw, 92px) clamp(20px, 5vw, 72px);
}

.glance-section {
  min-height: calc(100vh - 76px);
  padding: clamp(54px, 7vw, 92px) clamp(20px, 5vw, 72px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.interactive-cube-system {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(340px, 0.85fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
  min-height: 540px;
  padding: 20px 0 0;
}

.cube-viewer {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
  perspective: 1200px;
  background:
    radial-gradient(circle at 50% 48%, rgba(13,79,143,.16), transparent 48%),
    linear-gradient(180deg, #f8fafc, #eef4fb);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
  touch-action: none;
  user-select: none;
}

.cube-controls {
  position: absolute;
  left: 22px;
  top: 18px;
  z-index: 2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.real-cube {
  --cube-x: -18deg;
  --cube-y: -32deg;
  --cube-size: min(300px, 58vw);
  position: relative;
  width: var(--cube-size);
  height: var(--cube-size);
  transform-style: preserve-3d;
  transform: rotateX(var(--cube-x)) rotateY(var(--cube-y));
  transition: transform .18s ease;
}

.real-cube.is-dragging {
  transition: none;
}

.real-cube-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 28px;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(7, 27, 53, .92);
  box-shadow: inset 0 0 44px rgba(255,255,255,.08);
  backface-visibility: visible;
  cursor: pointer;
  text-align: left;
}

button.real-cube-face {
  appearance: none;
  font: inherit;
}

.real-cube-face::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,0));
}

.face-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .16s ease;
  transform-origin: center;
  pointer-events: none;
}

.real-cube.is-dragging .face-content {
  transition: none;
}

.real-cube-face.text-flipped .face-content {
  transform: rotate(180deg);
}

.real-cube-face.active {
  border-color: #f4c04e;
  box-shadow:
    0 0 0 3px rgba(244, 192, 78, .42),
    0 22px 50px rgba(7, 27, 53, .3),
    inset 0 0 44px rgba(255,255,255,.1);
}

.face-kicker {
  color: rgba(255,255,255,.68);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.real-cube-face strong {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1;
}

.real-cube-face small {
  color: rgba(255,255,255,.78);
  font-size: 15px;
  font-weight: 750;
}

.face-tier,
.face-back {
  background: linear-gradient(145deg, #08213f, #0b315d);
}

.face-track,
.face-left {
  background: linear-gradient(145deg, #176b52, #2f9a72);
}

.face-power,
.face-bottom {
  background: linear-gradient(145deg, #c9252d, #b8872d);
}

.face-tier {
  transform: translateZ(calc(var(--cube-size) / 2));
}

.face-back {
  transform: rotateY(180deg) translateZ(calc(var(--cube-size) / 2));
}

.face-track {
  transform: rotateY(90deg) translateZ(calc(var(--cube-size) / 2));
}

.face-left {
  transform: rotateY(-90deg) translateZ(calc(var(--cube-size) / 2));
}

.face-power {
  transform: rotateX(90deg) translateZ(calc(var(--cube-size) / 2));
}

.face-bottom {
  transform: rotateX(-90deg) translateZ(calc(var(--cube-size) / 2));
}

.cube-detail {
  min-height: 500px;
  padding: clamp(28px, 4vw, 42px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.dimension-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 28px;
  padding: 4px;
  background: #eef4fb;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.dimension-switch button {
  min-height: 40px;
  padding: 0 10px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.dimension-switch button.active {
  color: var(--white);
  background: var(--navy);
}

.cube-detail h3 {
  font-size: clamp(30px, 3.5vw, 46px);
}

#dimensionSummary {
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
}

.dimension-points {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.dimension-points li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.dimension-points strong {
  color: var(--navy);
  font-size: 14px;
}

.dimension-points span {
  color: var(--muted);
  font-weight: 650;
}

.regional-section {
  background: #eef4fb;
}

.tier-detail-section {
  background: var(--white);
}

.tier-schedule-section {
  background: #eef4fb;
}

.track-detail-section {
  background: #eef4fb;
}

.track-detail-layout {
  display: grid;
  grid-template-columns: minmax(560px, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: stretch;
}

.evaluation-panel,
.track-placement-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.evaluation-panel {
  padding: 24px;
}

.evaluation-panel h3,
.track-placement-panel h3 {
  font-size: clamp(22px, 2.2vw, 30px);
}

.evaluation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
  border: 1px solid var(--line);
}

.evaluation-grid article {
  min-height: 136px;
  padding: 16px;
  background: #f8fafc;
}

.evaluation-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
}

.evaluation-grid strong {
  display: block;
  color: var(--navy);
  font-size: 17px;
}

.evaluation-grid p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.track-placement-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
}

.assessment-rule {
  padding: 18px;
  border: 1px solid rgba(12, 35, 64, 0.14);
  border-radius: 4px;
  background: #eef4fb;
}

.placement-card {
  padding: 15px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: 4px;
  background: #f8fafc;
}

.placement-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.development-placement {
  border-left-color: #2f9a72;
}

.demo-placement {
  border-left-color: var(--red);
}

.placement-card strong,
.track-note strong,
.assessment-rule strong {
  color: var(--navy);
  font-size: 16px;
}

.placement-card p,
.track-note p,
.assessment-rule p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.track-note {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.category-execution-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(720px, 1.55fr);
  gap: 18px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.category-execution-heading h3 {
  margin-top: 8px;
  color: var(--navy);
  font-size: clamp(22px, 2.2vw, 31px);
  line-height: 1.08;
}

.category-execution-heading p:not(.eyebrow) {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.category-module-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.category-module-grid article {
  min-height: 104px;
  padding: 15px;
  background: #f8fafc;
}

.category-module-grid strong {
  display: block;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.25;
}

.category-module-grid p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.45;
}

.compact-category-panel .category-execution-heading h3 {
  max-width: 260px;
}

.tier-schedule-mock {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.tier-schedule-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.tier-schedule-head h3 {
  margin-top: 8px;
  color: var(--navy);
  font-size: clamp(22px, 2.2vw, 31px);
  line-height: 1.08;
}

.tier-schedule-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(80px, 1fr));
  gap: 3px;
  min-width: 210px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #eef4fb;
}

.tier-schedule-switch button {
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

.tier-schedule-switch button.active {
  color: var(--white);
  background: var(--navy);
}

.tier-schedule-grid {
  display: grid;
  gap: 12px;
}

.tier-schedule-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.tier-schedule-summary article {
  min-height: 92px;
  padding: 14px;
  background: #fff7e6;
}

.tier-schedule-summary strong {
  display: block;
  color: var(--navy);
  font-size: 13px;
}

.tier-schedule-summary p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.38;
}

.tier-schedule-days {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.tier-schedule-card {
  min-height: 156px;
  padding: 14px;
  background: #f8fafc;
}

.tier-schedule-card span {
  display: block;
  color: var(--gold);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.tier-schedule-card strong {
  display: block;
  margin-top: 14px;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.24;
}

.tier-schedule-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.42;
}

.schedule-matrix {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.schedule-matrix-head,
.schedule-matrix-row {
  display: grid;
  grid-template-columns: minmax(160px, 1.15fr) repeat(var(--schedule-days), minmax(72px, 1fr));
  gap: 1px;
  background: var(--line);
}

.schedule-matrix-head > *,
.schedule-matrix-row > * {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.schedule-matrix-head > * {
  min-height: 36px;
  color: rgba(255, 255, 255, 0.82);
  background: var(--navy);
  text-transform: uppercase;
}

.schedule-matrix-row > strong {
  justify-content: flex-start;
  color: var(--navy);
  background: #eef4fb;
  font-size: 12.5px;
  text-align: left;
}

.schedule-matrix-row > span.has-stage {
  color: var(--navy);
  background: #fff7e6;
  box-shadow: inset 0 -3px 0 var(--gold);
}


.tier-detail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}

.tier-detail-table,
.calendar-conflict-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.tier-detail-table {
  overflow: hidden;
}

.tier-detail-row {
  display: grid;
  grid-template-columns: minmax(58px, 0.5fr) minmax(180px, 1.45fr) minmax(126px, 0.9fr) minmax(150px, 1fr) minmax(132px, 0.95fr) minmax(190px, 1.35fr) minmax(190px, 1.35fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.tier-detail-row:first-child {
  border-top: 0;
}

.tier-detail-row > * {
  min-height: 70px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
}

.tier-detail-row strong {
  color: var(--navy);
  font-size: 16px;
}

.tier-detail-head > * {
  min-height: 44px;
  color: rgba(255, 255, 255, 0.76);
  background: var(--navy);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.calendar-conflict-panel {
  display: flex;
  flex-direction: column;
  padding: 24px 28px;
  border-left: 5px solid var(--gold);
}

.calendar-conflict-panel h3 {
  font-size: clamp(22px, 2.2vw, 30px);
}

.calendar-conflict-panel p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
}

.conflict-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.conflict-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.conflict-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--gold);
}


.regional-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1.15fr) minmax(320px, 0.85fr);
  gap: 22px;
  align-items: stretch;
}

.regional-map-card,
.region-analysis {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.regional-map-card {
  min-height: 430px;
  display: grid;
  overflow: hidden;
  background: var(--navy);
}

.region-map {
  min-height: 430px;
  height: 100%;
  display: grid;
  place-items: center;
  background: var(--navy);
}

.region-map svg {
  display: block;
  width: 100%;
  height: 100%;
}

.region-analysis {
  display: flex;
  flex-direction: column;
  padding: 30px;
}

.region-switch {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 26px;
  padding: 4px;
  background: #eef4fb;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.region-switch button {
  min-height: 38px;
  padding: 0 8px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.region-switch button.active {
  color: var(--white);
  background: var(--navy);
}

.region-analysis h3 {
  font-size: clamp(28px, 3vw, 42px);
}

#regionSummary {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
}

.region-metrics {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.region-metrics div {
  padding: 16px;
  background: #f8fafc;
}

.region-metrics dt {
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.region-metrics dd {
  margin: 6px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.region-role {
  margin-top: auto;
  padding-top: 24px;
}

.region-role strong {
  color: var(--navy);
  font-size: 13px;
  text-transform: uppercase;
}

.region-role p {
  margin-top: 8px;
  color: var(--muted);
}

.executive-summary {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: stretch;
  padding: clamp(58px, 7vw, 96px) clamp(20px, 5vw, 72px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.summary-lead {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.summary-lead p:not(.eyebrow) {
  margin-top: 22px;
  color: var(--muted);
  font-size: 18px;
}

.summary-pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.summary-pillars article {
  min-height: 220px;
  padding: 26px;
  background: #f8fafc;
}

.summary-pillars span {
  display: block;
  margin-bottom: 34px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.summary-pillars strong {
  display: block;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.2;
}

.summary-pillars p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}

.leadership-section {
  padding: clamp(58px, 7vw, 96px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--navy);
}

.leadership-section h2 {
  color: var(--white);
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.leadership-grid article {
  min-height: 240px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.07);
}

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

.leadership-grid p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.74);
}

.split {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
  background: var(--white);
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.2;
}

p {
  margin: 0;
}

.body-copy {
  color: var(--muted);
  font-size: 18px;
}

.body-copy p + p {
  margin-top: 18px;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 42px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
}

.system-section {
  background: linear-gradient(180deg, #eef4fb, #f7f9fc);
}

.power-rank-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.rank-board,
.rank-architecture-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.rank-board {
  overflow: hidden;
}

.rank-board-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.rank-board-header h3 {
  margin-top: 8px;
  color: var(--navy);
  font-size: clamp(26px, 3vw, 42px);
}

.rank-filter-stack {
  display: grid;
  gap: 8px;
}

.rank-filter-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}

.rank-filter-row > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.rank-filter-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #eef4fb;
}

.rank-category-tabs {
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
}

.rank-title-tabs {
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
}

.rank-filter-tabs button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.rank-filter-tabs button:hover {
  color: var(--navy);
}

.rank-filter-tabs button:disabled,
.rank-filter-tabs button.is-disabled {
  color: #9aa7b8;
  background: repeating-linear-gradient(135deg, #eef2f6 0 6px, #e5ebf2 6px 12px);
  border: 1px solid #d6dee8;
  cursor: not-allowed;
  opacity: 0.72;
}

.rank-filter-tabs button:disabled:hover,
.rank-filter-tabs button.is-disabled:hover {
  color: #9aa7b8;
}

.rank-filter-tabs .active {
  color: var(--white);
  background: var(--navy);
}

.rank-table {
  display: grid;
  overflow-x: auto;
}

.rank-table-row {
  display: grid;
  grid-template-columns: minmax(58px, .55fr) minmax(160px, 1.5fr) minmax(110px, 1fr) minmax(130px, 1.25fr) minmax(76px, .65fr) minmax(128px, 1.15fr);
  min-width: 760px;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.rank-table-row:first-child {
  border-top: 0;
}

.rank-table-row > * {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 14px;
  background: #f8fafc;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.rank-table-row strong {
  color: var(--red);
  font-size: 18px;
}

.rank-table-head > * {
  min-height: 42px;
  color: rgba(255, 255, 255, 0.78);
  background: var(--navy);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.rank-architecture-panel {
  padding: 24px;
}

.rank-architecture-panel h3 {
  color: var(--navy);
  font-size: clamp(24px, 2.4vw, 34px);
}

.rank-layer-list {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.rank-layer-list article {
  min-height: 108px;
  padding: 16px;
  background: #f8fafc;
  transition: background 160ms ease, box-shadow 160ms ease;
}

.rank-layer-list span {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 850;
}

.rank-layer-list strong {
  display: block;
  color: var(--navy);
  font-size: 16px;
}

.rank-layer-list p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.rank-strategy-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(520px, 1.45fr);
  gap: 22px;
  margin-top: 18px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: 6px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.rank-strategy-band h3 {
  margin-top: 8px;
  color: var(--navy);
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.08;
}

.rank-strategy-band p:not(.eyebrow) {
  color: var(--muted);
  font-size: 14px;
}

.rank-strategy-band p + p {
  margin-top: 10px;
}

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

.rank-flow article,
.track-grid article,
.partner-grid article,
.schedule article,
.roadmap article,
.outlook-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.rank-flow article {
  min-height: 260px;
  padding: 28px;
  position: relative;
}

.rank-flow article::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.flow-index {
  display: block;
  margin-bottom: 46px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.rank-flow p,
.track-grid p,
.partner-grid p,
.schedule p,
.roadmap p,
.outlook-grid p {
  margin-top: 14px;
  color: var(--muted);
}

.pyramid-section {
  background: var(--white);
}

.pyramid {
  display: grid;
  gap: 12px;
  max-width: 980px;
  margin: 0 auto;
}

.tier {
  display: grid;
  grid-template-columns: 96px 1fr 1.35fr;
  align-items: center;
  gap: 24px;
  min-height: 96px;
  padding: 22px 28px;
  color: var(--white);
  background: var(--navy);
}

.tier span {
  font-size: 12px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.68);
  text-transform: uppercase;
}

.tier strong {
  font-size: 21px;
  line-height: 1.2;
}

.tier p {
  color: rgba(255, 255, 255, 0.74);
}

.tier-one {
  margin-inline: 10%;
  background: #08213f;
}

.tier-two {
  margin-inline: 6%;
  background: #0b315d;
}

.tier-three {
  margin-inline: 2%;
  background: #164d80;
}

.tier-four {
  background: #315f86;
}

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

.track-grid article {
  padding: 30px;
  min-height: 240px;
  border-top: 5px solid var(--gold);
}

.track-grid article:nth-child(2) {
  border-top-color: var(--blue);
}

.track-grid article:nth-child(3) {
  border-top-color: var(--red);
}

.category-section {
  color: var(--white);
  background: var(--navy);
}

.category-section h2 {
  color: var(--white);
}

.category-table {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.table-row {
  display: grid;
  grid-template-columns: 1fr 0.8fr 1.5fr;
  gap: 20px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.06);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.table-row:first-child {
  border-top: 0;
}

.table-head {
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.table-row strong {
  color: var(--white);
}

.table-row span {
  color: rgba(255, 255, 255, 0.78);
}

.publisher-section {
  background: linear-gradient(90deg, var(--white) 0%, var(--white) 58%, #eef4fb 58%, #eef4fb 100%);
}

.publisher-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: clamp(34px, 5vw, 64px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.publisher-panel p:not(.eyebrow) {
  margin-top: 20px;
  color: var(--muted);
  font-size: 18px;
}

.check-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 18px 18px 18px 46px;
  color: var(--ink);
  background: #f3f7fb;
  border: 1px solid var(--line);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--gold);
}

.showcase-section {
  background: #eef4fb;
}

.schedule {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.schedule article {
  min-height: 260px;
  padding: 24px;
}

.schedule span,
.roadmap span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--red);
  font-weight: 800;
}

.youth-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(40px, 7vw, 96px);
  padding: clamp(34px, 5vw, 64px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 27, 53, 0.94), rgba(13, 79, 143, 0.9)),
    linear-gradient(135deg, #071b35, #0d4f8f);
}

.youth-band h2 {
  color: var(--white);
}

.youth-band .body-copy {
  color: rgba(255, 255, 255, 0.78);
}

.partners-section {
  background: var(--white);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.partner-grid article {
  padding: 26px;
  min-height: 220px;
}

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

.ip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.ip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(7, 27, 53, 0.06);
}

.outlook-section {
  background: var(--navy);
}

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

.outlook-grid article {
  padding: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.outlook-grid h2 {
  color: var(--white);
  font-size: clamp(28px, 3vw, 42px);
}

.outlook-grid p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
}

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

.roadmap article {
  padding: 30px;
  min-height: 220px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 32px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.74);
  background: #041326;
  font-size: 14px;
}

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


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

  .rank-flow,
  .track-grid,
  .partner-grid,
  .leadership-grid,
  .schedule,
  .roadmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schedule article {
    min-height: 220px;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .site-header {
    grid-template-columns: 1fr;
    justify-items: end;
  }

  .language-switch {
    flex-shrink: 0;
  }

  .lang-button {
    min-width: 44px;
    min-height: 30px;
    padding: 0 10px;
  }

  html {
    scroll-snap-type: y proximity;
    scroll-padding-top: 68px;
  }

  .hero,
  .section,
  .glance-section,
  .split {
    min-height: calc(100vh - 68px);
  }

  .hero {
    min-height: calc(100vh - 68px);
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(7, 27, 53, 0.96) 0%, rgba(7, 27, 53, 0.8) 60%, rgba(7, 27, 53, 0.96) 100%);
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 auto;
    padding: 54px 0 74px;
  }

  .split,
  .executive-summary,
  .power-rank-showcase,
  .rank-strategy-band,
  .tier-schedule-head,
  .regional-layout,
  .tier-detail-layout,
  .track-detail-layout,
  .youth-band,
  .publisher-panel,
  .outlook-grid {
    grid-template-columns: 1fr;
  }

  .summary-pillars,
  .region-switch,
  .rank-filter-tabs {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .summary-pillars article {
    min-height: 0;
  }

  .rank-flow,
  .track-grid,
  .partner-grid,
  .leadership-grid,
  .schedule,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .tier {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
  }

  .tier-one,
  .tier-two,
  .tier-three {
    margin-inline: 0;
  }

  .category-table {
    border: 0;
  }

  .table-row {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
  }


  .tier-detail-row,
  .evaluation-grid {
    grid-template-columns: 1fr;
  }

  .tier-detail-head {
    display: none;
  }

  .table-head {
    display: none;
  }


  .interactive-cube-system {
    grid-template-columns: 1fr;
  }

  .cube-viewer,
  .cube-detail {
    min-height: 430px;
  }

  .real-cube {
    --cube-size: min(250px, 68vw);
  }

  .dimension-points li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .publisher-section {
    background: var(--white);
  }

  .publisher-panel,
  .youth-band {
    padding: 28px 22px;
  }
}