/* 3.0 exhibition surfaces. Operational controls retain the shared blue/ochre vocabulary. */
.studio-edition {
  --studio-copper: #76543a;
  --studio-paper: #f5f0e9;
  --studio-mist: #e8eff0;
  background: linear-gradient(152deg, #f7f1e9 0%, #eef2f2 48%, #e7edef 100%);
}
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.studio-edition .site-header {
  background: #f9f7f1f2;
  border-bottom: 1px solid #d7dedc;
  box-shadow: none;
  position: relative;
}
.studio-edition .site-header nav {
  gap: 22px;
}
.studio-edition .site-header nav a {
  font-size: 14px;
}
.studio-edition .motion-toggle {
  background: #e5e8e5;
}
.studio-edition .narrative-world {
  background: transparent;
}
.studio-edition .campaign-opening {
  position: relative;
  background: #ebe8df;
  isolation: isolate;
  overflow: hidden;
}
.campaign-opening .campaign-visual {
  aspect-ratio: 1672/847;
  position: relative;
  overflow: hidden;
}
.campaign-visual > img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}
.campaign-visual > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: auto;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.campaign-visual.is-playing > video {
  visibility: visible;
  opacity: 1;
}
.campaign-visual.is-playing > img {
  visibility: hidden;
}
.campaign-visual {
  position: relative;
  overflow: hidden;
}
.campaign-intro {
  position: absolute;
  left: 5.8%;
  top: 63%;
  z-index: 3;
}
.campaign-intro h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.campaign-actions {
  display: flex;
  gap: 24px;
  align-items: center;
}
.campaign-primary {
  background: linear-gradient(120deg, #233b45, #394a4d 65%, #655440) !important;
  color: #fff !important;
  border: 0;
  min-height: 52px;
  padding: 14px 26px !important;
  border-radius: 2px;
  font-size: 16px !important;
  box-shadow: 0 12px 25px #253a4422;
}
.campaign-secondary {
  font-size: 16px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  text-decoration: underline;
  text-underline-offset: 6px;
  color: #25383f;
}
.campaign-play {
  position: absolute;
  right: 28px;
  bottom: 24px;
  z-index: 4;
  min-height: 44px;
  padding: 10px 18px;
  background: #f7f5eff0;
  color: #263940;
  border: 1px solid #9eaaa9;
  border-radius: 2px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  box-shadow: none;
}
.campaign-play:hover {
  background: #fff;
}
.campaign-play[aria-pressed="true"] {
  color: #fff;
  background: #263940;
  border-color: #263940;
}
.studio-edition .directory-stage {
  padding-top: 72px;
  padding-bottom: 44px;
  min-height: 0;
  background: linear-gradient(115deg, #f6f1e9 0%, #eff3f3 60%, #dbe6e9 100%);
}
.studio-edition .directory-stage .hero-copy {
  padding-top: 0;
}
.studio-edition .directory-stage .hero-heading {
  padding-top: 12px;
}
.studio-edition #directory-title {
  font-size: clamp(38px, 3.8vw, 60px);
  max-width: 9ch;
  line-height: 1.25;
  letter-spacing: -0.035em;
  color: #283c44;
  margin: 0;
}
.studio-edition .directory-stage .hero-description {
  font-size: 18px;
  line-height: 1.8;
  max-width: 20ch;
}
.studio-edition .directory-stage .world-stage {
  box-shadow: 0 22px 50px #273d4820;
  border-radius: 4px;
}
.studio-edition .product-paths {
  margin-top: 10px;
  border-bottom: 0;
}
.studio-edition .product-paths a {
  min-height: 76px;
}
.studio-edition .product-paths span {
  display: none;
}
.studio-edition .product-paths strong {
  font-size: 18px;
  font-weight: 500;
}
.studio-edition .story {
  background: linear-gradient(160deg, #f8f5ee, #edf2f3);
}
.studio-edition .concept-zone {
  background: linear-gradient(135deg, #e7ece9, #f8f4ea 58%, #dde8e9);
}
.regional-vision {
  padding-top: 64px;
  padding-bottom: 64px;
  background: linear-gradient(150deg, #13232a, #263a40 58%, #302f2b);
  color: #f5f3e9;
}
.vision-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.vision-heading h2 {
  font-size: clamp(32px, 4vw, 56px);
  letter-spacing: 0.02em;
  line-height: 1.35;
  max-width: none;
  margin: 0;
}
.vision-heading a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 24px;
  font-size: 16px;
  color: #e3e9e8;
}
.regional-vision .campaign-visual {
  aspect-ratio: 1672/847;
  box-shadow: 0 26px 60px #0004;
  border-radius: 3px;
}
.studio-edition .terrain-cinema {
  background: linear-gradient(140deg, #14242a, #283d43 70%, #303d3d);
}
.studio-edition .geology {
  background: linear-gradient(125deg, #f5f1e8, #e8efef);
}
.studio-edition .geology-stage {
  height: auto;
  aspect-ratio: 1672/847;
  min-height: 0;
  background: #eae9e1;
  border-radius: 3px;
  overflow: hidden;
}
.studio-edition #geology-poster {
  object-fit: cover;
  object-position: center top;
  width: 100%;
  height: 111.1%;
}
.observation-motion {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 111.1%;
  object-fit: cover;
  object-position: top;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s;
}
.geology-stage.is-playing > .observation-motion {
  visibility: visible;
  opacity: 1;
}
.geology-stage.is-playing > #geology-poster {
  visibility: hidden;
}
.studio-edition .geology-stage-label {
  z-index: 5;
}
.studio-edition .geology-stage-label > span:first-child {
  display: none;
}
.studio-edition .archived-note,
.studio-edition .scene-credit,
.studio-edition .geology-stage figcaption,
.studio-edition .concept-film figcaption,
.studio-edition .terrain-top > div,
.studio-edition .terrain-north {
  display: none !important;
}
.studio-edition .compact-feedback {
  display: none;
}
.studio-edition .compact-feedback[data-error="true"] {
  display: block;
  color: #a84732;
  font-size: 15px;
}
.studio-edition .terrain-top {
  left: auto;
  right: 24px;
  top: 24px;
}
.studio-edition .terrain-view {
  border-radius: 4px;
  overflow: hidden;
}
.studio-edition .terrain-cinema .compact-method {
  border-top: 0;
}
.studio-edition .compact-method:not([open]) > summary {
  font-size: 15px;
}
.studio-edition .current-events {
  background: linear-gradient(150deg, #ecf1ee, #f8f3ea);
}
.studio-edition .explore,
.studio-edition .evidence,
.studio-edition .project-workspace {
  background: linear-gradient(140deg, #f7f5ef, #edf2f3);
}
.studio-edition .closing {
  background: linear-gradient(120deg, #d7e3e5, #f1e6d7 75%);
}
.studio-edition .site-methods {
  background: transparent;
  padding: 24px var(--atlas-gutter, 3.35vw);
  border-top: 1px solid #cdd7d7;
}
.site-methods > summary {
  min-height: 44px;
  cursor: pointer;
  font-size: 17px;
  display: list-item;
  list-style-position: inside;
}
.site-methods > div,
.site-methods > ul,
.site-methods > .china-method {
  margin-top: 24px;
}
.studio-edition .site-footer {
  background: #e3e9e8;
}
.studio-edition .site-footer > p:nth-child(2) {
  display: none;
}
/* Quiet the research shell; status and scientific parameters stay readable. */
.studio-edition .rail {
  background: linear-gradient(180deg, #e8edeb, #f0f0e9);
  border-right: 1px solid #d9e0df;
}
.studio-edition .rail nav {
  margin-top: 28px;
}
.studio-edition .rail-note {
  font-size: 14px;
}
.studio-edition .page-heading h1 {
  color: #253e48;
}
.studio-edition .canvas {
  background: transparent;
}
.studio-edition .protocol-panel {
  border-color: #cbd7d9;
}
.studio-edition .matrix-panel {
  background: linear-gradient(135deg, #fff, #f7faf9);
}
.studio-edition .matrix-panel,
.studio-edition .cell-inspector {
  box-shadow: 0 14px 38px #334e580a;
}
.studio-edition #research-status {
  font-size: 14px;
}
.studio-edition .result-state {
  display: none;
}
.studio-edition .method-note {
  display: none;
}
.studio-edition .hint.full-field {
  display: none;
}
.studio-edition .evidence-panel p {
  font-size: 14px;
}
@media (min-width: 1600px) {
  .campaign-opening .campaign-visual {
    max-height: 850px;
  }
  .campaign-opening .campaign-visual > img {
    transform: translateY(-3%);
  }
}
@media (max-width: 1100px) {
  .studio-edition .site-header nav {
    gap: 14px;
  }
  .studio-edition .site-header nav a {
    font-size: 13px;
  }
  .studio-edition .directory-stage {
    padding-top: 48px;
  }
  .campaign-intro {
    top: 65%;
  }
  .campaign-primary {
    min-height: 46px;
    padding: 12px 20px !important;
    font-size: 14px !important;
  }
  .campaign-secondary {
    font-size: 14px;
  }
  .campaign-actions {
    gap: 16px;
  }
}
@media (max-width: 700px) {
  .studio-edition .site-header {
    padding: 14px 20px;
    gap: 12px;
    min-height: 0;
  }
  .studio-edition .site-header nav {
    gap: 8px 18px;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .studio-edition .site-header nav a {
    font-size: 13px;
    min-height: 32px;
    padding: 3px 0;
  }
  .studio-edition .site-header .wordmark {
    font-size: 24px;
  }
  .studio-edition .campaign-opening {
    padding-bottom: 0;
    background: linear-gradient(135deg, #f8f4eb, #e1e7e6);
  }
  .campaign-opening .campaign-visual {
    height: 370px;
    aspect-ratio: auto;
    overflow: hidden;
  }
  .campaign-opening .campaign-visual > img,
  .campaign-opening .campaign-visual > video {
    width: auto;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
  }
  .campaign-intro {
    position: relative;
    left: auto;
    top: auto;
    padding: 22px 20px 32px;
    background: linear-gradient(110deg, #f8f3e9, #e8eeed);
  }
  .campaign-intro h1 {
    position: static;
    width: auto;
    height: auto;
    clip: auto;
    overflow: visible;
    margin: 0 0 24px;
    font-family: var(--font-opening, "Microsoft YaHei"), sans-serif;
    font-size: 40px;
    line-height: 1.25;
    letter-spacing: 0.03em;
    white-space: normal;
  }
  .campaign-intro h1 span {
    display: block;
    font-size: 23px;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-top: 8px;
  }
  .campaign-actions {
    gap: 20px;
    flex-wrap: wrap;
  }
  .campaign-opening > .campaign-play {
    top: 18px;
    bottom: auto;
    right: 18px;
    font-size: 13px;
    padding: 9px 14px;
  }
  .studio-edition .directory-stage {
    padding-top: 40px;
  }
  .studio-edition #directory-title {
    font-size: 36px;
    max-width: none;
  }
  .studio-edition .directory-stage .hero-copy {
    gap: 18px;
  }
  .studio-edition .directory-stage .hero-description {
    max-width: none;
    font-size: 16px;
  }
  .studio-edition .directory-stage .hero-actions {
    display: none;
  }
  .studio-edition .directory-stage .world-stage {
    margin-top: 6px;
    box-shadow: none;
  }
  .studio-edition .product-paths {
    gap: 0 20px;
  }
  .studio-edition .product-paths a {
    min-height: 64px;
  }
  .studio-edition .product-paths strong {
    font-size: 16px;
  }
  .regional-vision {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .vision-heading {
    display: block;
    margin-bottom: 20px;
  }
  .vision-heading h2 {
    font-size: 34px;
  }
  .vision-heading a {
    margin-top: 12px;
    gap: 18px;
    font-size: 15px;
  }
  .regional-vision .campaign-visual {
    aspect-ratio: 1672/847;
  }
  .campaign-play {
    right: 12px;
    bottom: 12px;
    font-size: 12px;
    min-height: 40px;
    padding: 8px 12px;
  }
  .studio-edition .geology-stage {
    aspect-ratio: 1.35;
    min-height: 300px;
  }
  .studio-edition #geology-poster {
    object-position: 70% top;
    height: 111.1%;
  }
  .studio-edition .geology-stage .campaign-play {
    bottom: 12px;
  }
  .studio-edition .terrain-top {
    right: 14px;
    top: 14px;
  }
  .studio-edition .terrain-top > button {
    min-height: 44px;
  }
  .studio-edition .site-methods {
    padding: 20px;
  }
  .studio-edition .rail nav {
    margin-top: 0;
  }
}
@media (max-width: 360px) {
  .campaign-opening .campaign-visual {
    height: 310px;
  }
  .campaign-intro h1 {
    font-size: 36px;
  }
  .campaign-intro h1 span {
    font-size: 21px;
  }
  .campaign-actions {
    gap: 14px;
  }
  .campaign-primary {
    font-size: 14px !important;
    padding-inline: 18px !important;
  }
  .studio-edition #directory-title {
    font-size: 30px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .campaign-visual > video,
  .observation-motion {
    transition: none;
  }
}
@media print {
  .campaign-opening,
  .regional-vision,
  .campaign-play {
    display: none;
  }
  .studio-edition {
    background: #fff;
  }
  .studio-edition .rail {
    display: none;
  }
  .studio-edition .matrix-panel {
    box-shadow: none;
    background: #fff;
  }
}

.research-suite{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(40px,7vw,120px);background:linear-gradient(120deg,#f6f4ed,#e8eff1);padding-top:70px;padding-bottom:70px}.suite-heading>p{font-size:16px;color:#4a626d}.suite-heading h2{font-size:clamp(36px,4.7vw,66px);line-height:1.2;letter-spacing:-.04em;margin:24px 0}.suite-entries>a{display:flex;gap:24px;align-items:center;border-top:1px solid #aebdc2;padding:24px 0;text-decoration:none;color:#253d49}.suite-entries>a:last-child{border-bottom:1px solid #aebdc2}.suite-entries>a>span{font:italic 28px Georgia,serif;color:#80613b}.suite-entries h3{font-size:24px;margin:0 0 6px}.suite-entries p{font-size:16px;margin:0;color:#4a626d}.suite-entries b{margin-left:auto;font-size:28px;font-weight:400}.suite-entries a:hover h3{text-decoration:underline;text-underline-offset:6px}.suite-entries a:focus-visible{outline:3px solid #a65036;outline-offset:6px}@media(max-width:760px){.research-suite{grid-template-columns:1fr;gap:24px;padding-top:45px;padding-bottom:45px}.suite-heading h2{font-size:42px}.suite-entries>a{gap:18px;padding:20px 0}.suite-entries h3{font-size:22px}.suite-entries p{font-size:15px}}