:root {
  --bg-deep: #1f4947;
  --bg-mid: #346764;
  --panel: rgba(244, 248, 246, 0.94);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(255, 255, 255, 0.14);
  --text-strong: #183437;
  --text-body: rgba(24, 52, 55, 0.82);
  --text-soft: rgba(24, 52, 55, 0.56);
  --shadow-xl: 0 32px 90px rgba(7, 28, 31, 0.34);
  --shadow-lg: 0 20px 46px rgba(18, 42, 45, 0.18);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-strong);
  background:
    radial-gradient(circle at top, rgba(140, 214, 209, 0.2), transparent 28%),
    linear-gradient(180deg, #315c59 0%, #264b49 45%, #173735 100%);
  overflow-x: hidden;
}

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

button {
  cursor: pointer;
  border: 0;
}

.page-shell {
  width: min(1440px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 420px);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-copy,
.hero-guide {
  position: relative;
  overflow: hidden;
  padding: 28px 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06)),
    rgba(11, 39, 40, 0.32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

.hero-copy::after,
.hero-guide::after {
  content: "";
  position: absolute;
  inset: auto -80px -100px auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
  pointer-events: none;
}

.eyebrow,
.guide-title,
.card-label,
.slide-caption-card__eyebrow,
.topic-meta__label {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  color: rgba(243, 250, 250, 0.78);
}

.hero-copy h1 {
  margin: 14px 0 12px;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.08;
  color: #f3fbfa;
}

.hero-text,
.guide-list {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(239, 249, 248, 0.8);
}

.guide-list {
  padding-left: 18px;
}

.guide-title {
  color: rgba(239, 249, 248, 0.9);
  margin-bottom: 16px;
}

.map-stage {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02)),
    rgba(15, 43, 42, 0.32);
  box-shadow: var(--shadow-xl);
  isolation: isolate;
}

.map-stage::before {
  content: "";
  position: absolute;
  inset: 6% 8%;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 42%),
    radial-gradient(circle at 20% 30%, rgba(135, 198, 194, 0.18), transparent 30%);
  pointer-events: none;
}

.map-grid,
.map-haze,
.map-ridge,
.ghost-dot,
.stage-caption,
.hotspots {
  position: absolute;
}

.map-grid {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(circle at center, black 38%, transparent 92%);
  opacity: 0.4;
}

.map-haze {
  border-radius: 999px;
  filter: blur(50px);
  opacity: 0.65;
}

.map-haze--one {
  width: 520px;
  height: 520px;
  top: -120px;
  left: -80px;
  background: radial-gradient(circle, rgba(112, 182, 177, 0.42), transparent 70%);
  animation: drift 15s ease-in-out infinite alternate;
}

.map-haze--two {
  width: 480px;
  height: 480px;
  right: -120px;
  bottom: -140px;
  background: radial-gradient(circle, rgba(206, 222, 154, 0.26), transparent 72%);
  animation: drift 18s ease-in-out infinite alternate-reverse;
}

.map-ridge {
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(236, 248, 247, 0.32), transparent);
  opacity: 0.55;
}

.map-ridge--one {
  width: 50%;
  top: 24%;
  left: 10%;
  transform: rotate(-8deg);
}

.map-ridge--two {
  width: 62%;
  top: 48%;
  right: 8%;
  transform: rotate(6deg);
}

.map-ridge--three {
  width: 40%;
  bottom: 24%;
  left: 22%;
  transform: rotate(-11deg);
}

.ghost-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.52);
  box-shadow: 0 0 0 14px rgba(255, 255, 255, 0.04);
  opacity: 0.38;
}

.ghost-dot--1 { top: 24%; left: 26%; }
.ghost-dot--2 { top: 16%; left: 66%; }
.ghost-dot--3 { top: 42%; left: 14%; }
.ghost-dot--4 { top: 58%; right: 22%; }
.ghost-dot--5 { bottom: 20%; left: 52%; }

.stage-caption {
  top: 34px;
  left: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(243, 250, 250, 0.86);
  z-index: 2;
}

.stage-caption p {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.stage-caption__line {
  width: 72px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.76), transparent);
}

.hotspots {
  inset: 0;
  z-index: 3;
}

.hotspot {
  position: absolute;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  background: transparent;
  color: inherit;
}

.hotspot[data-active="true"] .hotspot__label {
  opacity: 1;
  transform: translateY(0);
}

.hotspot__dot {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow:
    0 0 0 8px color-mix(in srgb, var(--accent) 20%, transparent),
    0 0 26px color-mix(in srgb, var(--accent) 74%, white);
}

.hotspot__dot::before,
.hotspot__dot::after {
  content: "";
  position: absolute;
  inset: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.hotspot__dot::before {
  width: 46px;
  height: 46px;
  border: 1px solid color-mix(in srgb, var(--accent) 60%, white);
  opacity: 0.4;
  animation: pulse 2.8s ease-out infinite;
}

.hotspot__dot::after {
  width: 82px;
  height: 82px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  animation: breath 4.8s ease-in-out infinite;
}

.hotspot__label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px 12px 12px;
  min-width: 198px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08)),
    rgba(8, 36, 37, 0.4);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 36px rgba(6, 24, 25, 0.18);
  color: #f8fcfb;
  transform: translateY(4px);
  transition: transform 340ms var(--ease-out), opacity 340ms ease;
}

.hotspot:hover .hotspot__label,
.hotspot:focus-visible .hotspot__label {
  transform: translateY(-2px);
}

.hotspot__icon-token {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  flex: none;
  font-family: "Songti SC", "STSong", serif;
  font-size: 22px;
  font-weight: 700;
  color: #fefefe;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.32), transparent 42%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 78%, white), var(--accent));
  box-shadow: 0 10px 20px rgba(10, 35, 38, 0.24);
}

.hotspot__title {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
}

.hotspot__subtitle {
  margin: 0;
  font-size: 12px;
  color: rgba(244, 251, 250, 0.72);
}

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(6, 18, 20, 0.16);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms ease, backdrop-filter 320ms ease;
  z-index: 20;
}

.overlay.is-open,
.overlay.is-closing {
  opacity: 1;
  pointer-events: auto;
  background: rgba(6, 18, 20, 0.56);
  backdrop-filter: blur(10px);
}

.dialog {
  position: relative;
  width: min(1340px, 100%);
  max-height: min(92vh, 980px);
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 247, 0.95)),
    var(--panel);
  box-shadow: 0 36px 90px rgba(7, 24, 27, 0.48);
  transform: translateY(34px) scale(0.96);
  opacity: 0;
  transition:
    transform 520ms var(--ease-out),
    opacity 340ms ease;
}

.overlay.is-open .dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.overlay.is-closing .dialog {
  transform: translateY(26px) scale(0.97);
  opacity: 0;
}

.dialog-aura {
  position: absolute;
  inset: auto auto -30% -5%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
  filter: blur(16px);
  opacity: 0.7;
  pointer-events: none;
}

.dialog-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-strong);
  box-shadow: 0 14px 24px rgba(15, 45, 46, 0.14);
}

.dialog-topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 42px 0;
}

.topic-meta__label {
  color: color-mix(in srgb, var(--accent) 62%, #4c6a6d);
}

.dialog-topbar h2 {
  margin: 8px 0 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(42px, 4vw, 74px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.topic-chip {
  padding: 12px 18px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: color-mix(in srgb, var(--accent) 68%, #415f63);
  font-size: 13px;
  font-weight: 700;
}

.dialog-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 1fr);
  gap: 22px;
  padding: 22px 42px 28px;
}

.dialog-panel [data-animate] {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition:
    opacity 520ms ease,
    transform 660ms var(--ease-out);
  transition-delay: calc(var(--step, 1) * 90ms);
}

.dialog-panel.is-ready [data-animate] {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.dialog-left,
.dialog-right {
  display: grid;
  gap: 18px;
}

.dialog-left {
  align-content: start;
}

.card {
  padding: 22px 22px 24px;
  border: 1px solid rgba(22, 62, 65, 0.08);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
  box-shadow: var(--shadow-lg);
}

.card-label {
  color: color-mix(in srgb, var(--accent) 60%, #587376);
}

.topic-summary__text,
.slide-caption-card__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: color-mix(in srgb, var(--accent) 72%, #3d5c5f);
  font-size: 13px;
  font-weight: 600;
}

.motion-steps {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.motion-step {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: start;
}

.motion-step__time {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(14, 47, 48, 0.06);
  color: var(--text-soft);
  font-size: 12px;
  text-align: center;
}

.motion-step__body h4 {
  margin: 1px 0 6px;
  font-size: 15px;
}

.motion-step__body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-soft);
}

.media-card {
  padding: 16px;
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.86), rgba(243, 247, 246, 0.7)),
    rgba(255, 255, 255, 0.92);
  box-shadow: 0 26px 52px rgba(12, 38, 40, 0.18);
}

.media-card__chrome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.media-kind,
.media-index {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.media-kind {
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: color-mix(in srgb, var(--accent) 76%, #415f63);
}

.media-index {
  color: var(--text-soft);
  background: rgba(17, 44, 47, 0.06);
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(247, 249, 248, 0.9));
  aspect-ratio: 16 / 9.7;
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: -10% auto auto -10%;
  width: 36%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.46), transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.media-visual {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  transform: scale(1.04);
  transition: transform 1200ms var(--ease-out), filter 1200ms ease;
}

.dialog-panel.is-ready .media-visual {
  transform: scale(1);
}

.visual {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.42), transparent 28%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 12%, white), rgba(255, 255, 255, 0.95));
}

.visual::before,
.visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.visual::before {
  inset: auto auto -16% -8%;
  width: 46%;
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 65%);
}

.visual::after {
  inset: -8% -12% auto auto;
  width: 34%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), transparent 70%);
}

.visual__badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: color-mix(in srgb, var(--accent) 68%, #4c6a6d);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.visual__titleline {
  position: absolute;
  top: 66px;
  left: 24px;
  right: 24px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 22%, white), transparent 78%);
}

.visual__panel {
  position: absolute;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.76)),
    rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 26px rgba(17, 43, 46, 0.08);
}

.visual__bar {
  display: block;
  height: 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 20%, white);
}

.visual__bar + .visual__bar {
  margin-top: 10px;
}

.visual__bar--s {
  width: 42%;
}

.visual__bar--m {
  width: 68%;
}

.visual__bar--l {
  width: 84%;
}

.visual__bar--xl {
  width: 94%;
}

.visual__hero {
  position: absolute;
  inset: 118px 44% 44px 24px;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 30%, rgba(255, 255, 255, 0.38), transparent 22%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 28%, white), rgba(248, 252, 252, 0.88));
}

.visual__hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -16% -8%;
  height: 50%;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.56), transparent 60%);
}

.visual__hero::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: 0;
  height: 44%;
  border-radius: 40% 40% 0 0;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 54%, white), color-mix(in srgb, var(--accent) 24%, #f7fbfb)),
    rgba(255, 255, 255, 0.38);
  opacity: 0.72;
}

.visual__peak {
  position: absolute;
  bottom: 24%;
  width: 22%;
  height: 44%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), color-mix(in srgb, var(--accent) 58%, #6d8f92));
  clip-path: polygon(50% 0, 0 100%, 100% 100%);
  filter: blur(0.2px);
}

.visual__peak--1 { left: 10%; height: 58%; }
.visual__peak--2 { left: 30%; width: 18%; height: 36%; }
.visual__peak--3 { left: 48%; width: 16%; height: 48%; }
.visual__peak--4 { left: 68%; width: 14%; height: 30%; }

.visual__facts {
  position: absolute;
  top: 116px;
  right: 24px;
  width: calc(44% - 36px);
  padding: 20px;
  display: grid;
  gap: 14px;
}

.visual__fact {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.visual__fact-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.42), transparent 34%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 70%, white), color-mix(in srgb, var(--accent) 38%, white));
}

.visual__copy {
  position: absolute;
  inset: 132px 50% 56px 28px;
  display: grid;
  align-content: center;
  gap: 12px;
}

.visual__diagram {
  position: absolute;
  inset: 118px 26px 34px 52%;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.28)),
    rgba(255, 255, 255, 0.52);
}

.visual__diagram--section::before,
.visual__diagram--flow::before,
.visual__diagram--network::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 24px;
  border: 1px dashed color-mix(in srgb, var(--accent) 26%, white);
}

.diagram-section__layer {
  position: absolute;
  left: 14%;
  right: 12%;
  height: 12%;
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 26%, white), rgba(255, 255, 255, 0.92));
}

.diagram-section__layer--1 { bottom: 20%; }
.diagram-section__layer--2 { bottom: 32%; width: 72%; left: 18%; }
.diagram-section__layer--3 { bottom: 44%; width: 58%; left: 22%; }
.diagram-section__layer--4 { bottom: 58%; width: 42%; left: 28%; }

.diagram-section__surface {
  position: absolute;
  left: 18%;
  right: 18%;
  top: 26%;
  height: 24%;
  border-radius: 44% 44% 36% 36%;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 42%, white), rgba(255, 255, 255, 0.6));
}

.diagram-flow__hub,
.diagram-network__hub {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: "Songti SC", "STSong", serif;
  font-weight: 700;
  color: color-mix(in srgb, var(--accent) 78%, #2f4d50);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 42%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.94), color-mix(in srgb, var(--accent) 24%, white));
  box-shadow: 0 12px 24px rgba(16, 45, 48, 0.1);
}

.diagram-flow__hub {
  width: 124px;
  height: 124px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.diagram-flow__arm {
  position: absolute;
  width: 96px;
  height: 10px;
  border-radius: 999px;
  transform-origin: left center;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 66%, white), transparent);
}

.diagram-flow__arm--1 { top: 24%; left: 50%; transform: rotate(90deg); }
.diagram-flow__arm--2 { top: 50%; left: 64%; transform: rotate(180deg); }
.diagram-flow__arm--3 { top: 72%; left: 50%; transform: rotate(270deg); }
.diagram-flow__arm--4 { top: 50%; left: 16%; }

.diagram-flow__node,
.diagram-network__node {
  position: absolute;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.42), transparent 40%),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 56%, white), rgba(255, 255, 255, 0.88));
  box-shadow: 0 12px 24px rgba(16, 45, 48, 0.09);
}

.diagram-flow__node--1 { top: 12%; left: calc(50% - 38px); }
.diagram-flow__node--2 { top: calc(50% - 38px); right: 8%; }
.diagram-flow__node--3 { bottom: 10%; left: calc(50% - 38px); }
.diagram-flow__node--4 { top: calc(50% - 38px); left: 8%; }

.diagram-network__hub {
  width: 108px;
  height: 108px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.diagram-network__ring {
  position: absolute;
  inset: 18% 18%;
  border-radius: 50%;
  border: 18px solid color-mix(in srgb, var(--accent) 18%, white);
}

.diagram-network__link {
  position: absolute;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 52%, white), transparent);
  transform-origin: left center;
}

.diagram-network__link--1 { top: 24%; left: 50%; transform: rotate(90deg); }
.diagram-network__link--2 { top: 50%; left: 62%; transform: rotate(180deg); }
.diagram-network__link--3 { top: 74%; left: 50%; transform: rotate(270deg); }
.diagram-network__link--4 { top: 50%; left: 14%; }

.diagram-network__node--1 { top: 8%; left: calc(50% - 38px); }
.diagram-network__node--2 { top: calc(50% - 38px); right: 4%; }
.diagram-network__node--3 { bottom: 6%; left: calc(50% - 38px); }
.diagram-network__node--4 { top: calc(50% - 38px); left: 4%; }

.thumb {
  grid-template-columns: 86px 1fr;
}

.thumb__visual {
  width: 86px;
  height: 60px;
  border-radius: 12px;
  overflow: hidden;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 26%, white), rgba(255, 255, 255, 0.96));
  position: relative;
}

.thumb__visual::before,
.thumb__visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.thumb__visual::before {
  inset: auto -10px -20px -8px;
  height: 36px;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--accent) 28%, transparent), transparent 72%);
}

.thumb__visual::after {
  top: 8px;
  left: 10px;
  right: 10px;
  height: 8px;
  background: color-mix(in srgb, var(--accent) 24%, white);
}

.thumb__visual-thumbline {
  position: absolute;
  left: 10px;
  right: 28px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
}

.thumb__visual-thumbline--1 { top: 22px; }
.thumb__visual-thumbline--2 { top: 34px; width: 48px; right: auto; }

.thumb__visual-thumbbox {
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 28px;
  height: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.slide-caption-card__eyebrow {
  color: color-mix(in srgb, var(--accent) 68%, #5d7679);
}

.slide-caption-card__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 2.2vw, 36px);
  line-height: 1.22;
}

.dialog-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 0 42px 36px;
}

.thumb-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.thumb {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(18, 55, 58, 0.08);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(15, 45, 48, 0.08);
  transition:
    transform 240ms ease,
    border-color 240ms ease,
    background 240ms ease;
  text-align: left;
}

.thumb:hover,
.thumb:focus-visible {
  transform: translateY(-2px);
}

.thumb.is-active {
  border-color: color-mix(in srgb, var(--accent) 44%, white);
  background: color-mix(in srgb, var(--accent) 10%, white);
}

.thumb__image {
  width: 86px;
  height: 60px;
  border-radius: 12px;
  object-fit: cover;
}

.thumb__title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.thumb__meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-soft);
}

.dialog-controls {
  display: inline-flex;
  gap: 12px;
}

.nav-button {
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--text-strong);
  background: rgba(18, 54, 57, 0.07);
}

.nav-button--primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 76%, white));
  box-shadow: 0 16px 26px color-mix(in srgb, var(--accent) 26%, transparent);
}

.hotspot:focus-visible,
.dialog-close:focus-visible,
.nav-button:focus-visible,
.thumb:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.88);
  outline-offset: 3px;
}

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.58;
  }
  70% {
    transform: translate(-50%, -50%) scale(1.18);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.18);
    opacity: 0;
  }
}

@keyframes breath {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(0.92);
    opacity: 0.42;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.06);
    opacity: 0.72;
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(18px, -24px, 0) scale(1.05);
  }
}

@media (max-width: 1140px) {
  .hero-panel,
  .dialog-panel,
  .dialog-footer {
    grid-template-columns: 1fr;
  }

  .dialog-topbar {
    align-items: start;
    flex-direction: column;
  }

  .dialog-controls {
    justify-content: flex-end;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100vw - 24px, 100%);
    padding-top: 18px;
  }

  .hero-copy,
  .hero-guide {
    padding: 22px;
  }

  .map-stage {
    min-height: 620px;
  }

  .hotspot__label {
    min-width: 170px;
  }

  .dialog {
    max-height: 95vh;
    border-radius: 28px;
  }

  .dialog-topbar,
  .dialog-panel,
  .dialog-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .dialog-topbar h2 {
    font-size: 36px;
  }

  .thumb-strip {
    grid-template-columns: 1fr;
  }

  .dialog-controls {
    width: 100%;
  }

  .nav-button {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}