@charset "UTF-8";
:root {
  --paper: #ffffff;
  --ink: #292929;
  --muted: #868686;
  --line: #dbdbdb;
  --signal: #e4e4e4;
  --mono: "Consolas", "SFMono-Regular", monospace;
  --sans: "Bahnschrift", "Arial", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
}
body {
  font-family: var(--sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
button,
input {
  font: inherit;
}
button {
  color: inherit;
  cursor: pointer;
}
button,
a {
  touch-action: manipulation;
}
button {
  border-radius: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #6d6d6d;
  outline-offset: 5px;
}
button {
  border: 0;
  background: none;
}
button:disabled {
  cursor: default;
}
svg {
  display: block;
}
[hidden] {
  display: none !important;
}
::selection {
  background: var(--signal);
}

.archive-app {
  height: 100svh;
  overflow: hidden;
}
.workspace {
  --sidebar-width: clamp(320px, 28vw, 440px);
  --sidebar-drawer-width: 600px;
  position: relative;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  height: 100%;
  min-height: 0;
}
@media (min-width: 701px) {
  /* All sections share the overview width; only archive drawers can expand it. */
  .workspace[data-section="space"] {
    grid-template-columns:
      calc(
        var(--sidebar-width) +
          (var(--sidebar-drawer-width) - var(--sidebar-width)) *
          var(--drawer-open, 0)
      )
      minmax(0, 1fr);
  }
}
.sidebar {
  grid-area: 1 / 1;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 35px clamp(26px, 2.5vw, 44px) 24px;
  background: var(--paper);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
}
.topbar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
  flex-shrink: 0;
}
.intro {
  width: 100%;
  padding-top: clamp(36px, 6vh, 65px);
  padding-bottom: 32px;
}
.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-shrink: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font: 8px var(--mono);
  letter-spacing: 0.6px;
  color: var(--muted);
}
.sidebar-footer .system-status {
  color: var(--ink);
  gap: 8px;
}
.footer-infinity {
  margin-left: auto;
  font: 27px/16px var(--sans);
  color: #949494;
}
.scene-region {
  grid-area: 1 / 1 / -1 / -1;
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  isolation: isolate;
  user-select: none;
}
.scene-ui {
  position: absolute;
  inset: var(--scene-top, 0px) 0 0 var(--scene-left, 0px);
  pointer-events: none;
}
.scene-ui button,
.scene-ui .controls-help,
.scene-ui .scene-error,
.scene-ui .scene-loader {
  pointer-events: auto;
}
.follow-social {
  position: absolute;
  z-index: 12;
  top: 50%;
  left: calc(
    var(--sidebar-width) +
      (var(--sidebar-drawer-width) - var(--sidebar-width)) *
      var(--drawer-open, 0) - 34px
  );
  display: flex;
  align-items: center;
  height: 164px;
  transform: translateY(-50%);
  pointer-events: none;
  user-select: none;
}
.follow-social-trigger {
  position: relative;
  z-index: 2;
  display: flex;
  width: 40px;
  height: 150px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 12px 4px;
  border: 1px solid #ffffffd9;
  border-radius: 22px;
  background: linear-gradient(155deg, #fffffffa 0%, #f3f3f9ee 100%);
  box-shadow:
    inset 0 1px 0 #ffffff,
    inset 0 -1px 0 #d9d9e330,
    0 10px 24px #58547720,
    0 2px 5px #25252512;
  color: #181824;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  isolation: isolate;
  pointer-events: auto;
  cursor: pointer;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}
.follow-social-trigger::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(180deg, #ffffffa8, transparent 44%);
  pointer-events: none;
}
.follow-social.is-page-transitioning {
  pointer-events: none;
}
.follow-social.is-page-transitioning .follow-social-trigger,
.follow-social.is-page-transitioning .follow-social-panel {
  clip-path: inset(
    var(--follow-social-fold, 0%) 0 var(--follow-social-fold, 0%) 0 round 22px
  );
  opacity: var(--follow-social-opacity, 1);
  transition:
    clip-path 220ms cubic-bezier(0.22, 0.75, 0.2, 1),
    opacity 180ms ease;
}
.follow-social-trigger:hover,
.follow-social-trigger:focus-visible,
.follow-social.is-open .follow-social-trigger {
  background: linear-gradient(155deg, #ffffff 0%, #f0effb 100%);
  box-shadow:
    inset 0 1px 0 #ffffff,
    0 13px 30px #58547732,
    0 0 0 4px #a493ed1c;
  color: #161522;
  transform: translateX(-1px);
}
.follow-social-trigger-label {
  display: block;
  color: #171721;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 5px;
  white-space: nowrap;
  writing-mode: vertical-rl;
}
.follow-social-trigger-arrow {
  position: relative;
  display: block;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 34% 28%,
    #b9acf9 0%,
    #9480e8 43%,
    #765fd1 100%
  );
  color: #fff;
  font-size: 0;
  line-height: 0;
  box-shadow:
    inset 0 1px 2px #ffffff66,
    inset 0 -2px 4px #5942b044,
    0 4px 10px #6e5bc44d;
  transition:
    transform 220ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}
.follow-social-trigger-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-right: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: translate(-65%, -50%) rotate(-45deg);
  transform-origin: center;
  filter: drop-shadow(0 1px 1px #5541a855);
}
.follow-social.is-open .follow-social-trigger-arrow {
  background: radial-gradient(
    circle at 34% 28%,
    #b1a2f5 0%,
    #8872df 43%,
    #6953c4 100%
  );
  transform: rotate(180deg);
}
.follow-social-panel {
  position: absolute;
  top: 50%;
  left: 34px;
  display: flex;
  width: 76px;
  min-height: 350px;
  flex-direction: column;
  align-items: center;
  padding: 22px 8px 18px 10px;
  border: 1px solid #e2e2e7;
  border-radius: 22px;
  background: #ffffffef;
  box-shadow: 12px 12px 32px #2525251c;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(0, -50%) translateX(-16px) scale(0.98);
  transform-origin: left center;
  transition:
    opacity 220ms ease,
    visibility 220ms ease,
    transform 260ms cubic-bezier(0.22, 0.75, 0.2, 1);
}
.follow-social.is-open .follow-social-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, -50%) translateX(0) scale(1);
}
.follow-social-panel h2 {
  display: none;
  margin: 0 0 12px;
  color: #444454;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  writing-mode: vertical-rl;
}
.follow-social-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.follow-social-link {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}
.follow-social-link:hover,
.follow-social-link:focus-visible {
  border-color: #8e72df;
  background: #fff;
  box-shadow:
    0 0 0 4px #8e72df20,
    0 10px 20px #2525251b;
  transform: translateY(-2px) scale(1.06);
}
.follow-social-link img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-view-box: inset(23% 24% 24% 23%);
}
.follow-social-item {
  position: relative;
  display: block;
}
.follow-wechat-link {
  cursor: pointer;
}
.follow-wechat-qr {
  position: absolute;
  top: 50%;
  left: calc(100% + 13px);
  z-index: 3;
  width: 138px;
  padding: 8px;
  border: 1px solid #dedee4;
  background: #fff;
  box-shadow: 0 12px 30px #25252522;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(0, -50%) translateX(-7px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}
.follow-wechat-qr::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -6px;
  width: 10px;
  height: 10px;
  border-left: 1px solid #dedee4;
  border-bottom: 1px solid #dedee4;
  background: #fff;
  transform: translateY(-50%) rotate(45deg);
}
.follow-wechat-qr img {
  display: block;
  width: 100%;
  height: auto;
}
.follow-social-item:hover .follow-wechat-qr,
.follow-social-item:focus-within .follow-wechat-qr,
.follow-social-item.is-open .follow-wechat-qr {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, -50%) translateX(0);
}
.about-social {
  display: none;
  position: absolute;
  z-index: 8;
  top: var(--about-board-top, clamp(48px, 8vh, 92px));
  left: var(--about-board-left, auto);
  width: var(--about-board-width, 116px);
  height: var(--about-board-height, 240px);
  right: auto;
  color: #171717;
  pointer-events: auto;
  user-select: none;
}
.scene-region[data-section="about"] .about-social {
  display: block;
}
.about-social h2 {
  position: absolute;
  top: 7%;
  left: 86.32%;
  width: 13.68%;
  margin: 0;
  font: 700 21px/1.15 var(--sans);
  letter-spacing: 0.5px;
  white-space: nowrap;
  text-align: center;
  opacity: 0;
  pointer-events: none;
}
.about-social-list {
  position: absolute;
  top: 17%;
  left: 86.32%;
  width: 13.68%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 23px;
}
.about-social-link {
  display: grid;
  place-items: center;
  width: 47px;
  height: 47px;
  padding: 10px;
  border: 1px solid #e8e8e8;
  border-radius: 50%;
  background: #f8f8f8;
  box-shadow: 0 8px 20px #2525250d;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
  /* The icons are part of the projected 3D board texture. Keep these
     controls transparent so they remain keyboard/click targets without
     creating a second flat UI layer over the scene. */
  opacity: 0;
}
.about-social-link:hover,
.about-social-link:focus-visible {
  background: #fff;
  border-color: #d85a2c;
  box-shadow:
    0 0 0 5px #d85a2c1c,
    0 12px 24px #25252525;
  transform: translateY(-3px) scale(1.1);
}
.about-social-link img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 180ms ease;
}
.about-social-link:hover img,
.about-social-link:focus-visible img {
  transform: scale(1.08);
}
.about-social-item {
  position: relative;
  display: block;
}
.about-wechat-link {
  cursor: help;
}
.about-wechat-qr {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  z-index: 3;
  width: 136px;
  padding: 8px;
  border: 1px solid #dedede;
  background: #fff;
  box-shadow: 0 12px 30px #25252522;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -7px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}
.about-wechat-qr::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 10px;
  height: 10px;
  border-left: 1px solid #dedede;
  border-top: 1px solid #dedede;
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}
.about-wechat-qr img {
  display: block;
  width: 100%;
  height: auto;
}
.about-social-item:hover .about-wechat-qr,
.about-social-item:focus-within .about-wechat-qr,
.about-social-item.is-open .about-wechat-qr {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}
.registration-panel {
  display: none;
  position: absolute;
  z-index: 7;
  top: clamp(18px, 4vh, 46px);
  right: clamp(18px, 2.4vw, 42px);
  bottom: clamp(18px, 4vh, 46px);
  left: calc(var(--scene-left, 0px) + 26px);
  overflow: auto;
  padding: clamp(24px, 3vw, 48px) clamp(22px, 3.2vw, 56px) 34px;
  border: 1px solid #dfe3e7;
  border-radius: 16px;
  background: #fbfcfd;
  box-shadow:
    0 18px 48px #1f252b16,
    inset 0 0 0 8px #f5f7f8;
  color: #111318;
  pointer-events: auto;
  user-select: text;
}
.scene-region[data-section="notice"] #scene-canvas {
  visibility: visible;
}
.scene-region:is([data-section="notice"], [data-notice-departing])
  .registration-panel {
  display: block;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  pointer-events: none;
}
.registration-board {
  position: absolute;
  z-index: 7;
  box-sizing: border-box;
  overflow: auto;
  padding: clamp(18px, 2.2vw, 34px) clamp(18px, 2.4vw, 38px) 24px;
  border: 1px solid #dfe3e7;
  border-radius: 5px;
  background: #fbfcfd;
  box-shadow: inset 0 0 0 6px #f5f7f8;
  pointer-events: auto;
  user-select: text;
}
.scene-region:is([data-section="notice"], [data-notice-departing])
  .registration-faq-board {
  top: var(--notice-faq-top, 18px);
  left: var(--notice-faq-left, 18px);
  width: var(--notice-faq-width, calc(50% - 27px));
  height: var(--notice-faq-height, calc(100% - 36px));
}
.scene-region:is([data-section="notice"], [data-notice-departing])
  .registration-process-board {
  top: var(--notice-process-top, 18px);
  left: var(--notice-process-left, 50%);
  width: var(--notice-process-width, calc(50% - 27px));
  height: var(--notice-process-height, calc(100% - 36px));
}
/* The canvas owns the visible typography. The projected layer keeps semantic
   controls and pointer targets without painting a second copy over it. */
.scene-region:is([data-section="notice"], [data-notice-departing])
  .registration-board {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  opacity: 0;
}
.registration-faq-heading {
  margin-bottom: 16px;
}
.registration-faq {
  display: block;
  overflow-x: hidden;
  overflow-y: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 30px;
  align-items: start;
}
.registration-faq-column {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
}
.registration-faq-item {
  min-width: 0;
  border: 1px solid #dfe3e7;
  border-radius: 10px;
  background: #fff;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}
.registration-faq-item.is-expanded {
  border-color: #f37926;
  box-shadow: 0 6px 18px #f379261c;
}
.registration-faq-trigger {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 40px;
  padding: 4px 6px;
  text-align: left;
  margin-top: 12px !important;
}
.registration-faq-number {
  display: grid;
  place-items: center;
  width: 32px;
  height: 30px;
  border-radius: 7px;
  background: #f0f2f3;
  color: #111318;
  font: 600 16px/1 var(--mono);
  transition:
    background 180ms ease,
    color 180ms ease;
}
.registration-faq-item.is-expanded .registration-faq-number {
  background: #f37926;
  color: #fff;
}
.registration-faq-question {
  min-width: 0;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 600;
}
.registration-faq-toggle {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border: 1px solid #9ca4ad;
  border-radius: 50%;
  color: #20242a;
  font-size: 20px;
  line-height: 1;
}
.registration-faq-item.is-expanded .registration-faq-toggle {
  border-color: #f37926;
  color: #f37926;
}
.registration-faq-answer {
  padding: 0 42px 14px 58px;
  color: #69717a;
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-line;
}
.registration-process-section {
  margin-top: 16px;
  padding-top: 13px;
}
.registration-process-board {
  padding: 0;
  border: 0;
  overflow: clip;
}
.registration-process-heading {
  display: grid;
  grid-template-columns: minmax(30px, 1fr) auto minmax(30px, 1fr);
  align-items: center;
  gap: 13px;
  margin-bottom: 13px;
}
.registration-process-heading > span {
  height: 1px;
  background: #c9ced3;
}
.registration-process-heading h2 {
  margin: 0;
  font-size: clamp(19px, 1.8vw, 28px);
  line-height: 1;
  text-align: center;
}
.registration-process-heading small {
  display: block;
  margin-top: 4px;
  color: #979ea6;
  font: 7px var(--mono);
  letter-spacing: 1.2px;
}
.registration-process {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}
.registration-step {
  position: relative;
  display: block;
  padding: 0;
  pointer-events: none;
}
.registration-step-card {
  display: grid;
  grid-template-columns: 35% minmax(0, 1fr);
  align-items: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 2px solid #9ca6b2;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 20px #9da6b333;
  color: #15191e;
}
.registration-step-visual {
  display: grid;
  place-items: center;
  width: 164px;
  height: 164px;
  margin: 0 auto;
  border-radius: 50%;
  background: #f5f5f5;
}
.registration-step-icon {
  display: block;
  width: 96px;
  height: 96px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.registration-step-copy {
  display: flex;
  min-width: 0;
  min-height: 70%;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 0 18px 0 24px;
  border-left: 1px solid #e1e5e9;
}
.registration-step-copy h3 {
  margin: 0;
  color: #090b0d;
  font:
    700 50px/1.12 Arial,
    "Microsoft YaHei",
    sans-serif;
}
.registration-step-copy p {
  margin: 0;
  color: #15191e;
  font:
    400 32px/1.4 Arial,
    "Microsoft YaHei",
    sans-serif;
  white-space: normal;
}
.registration-flow-arrow {
  position: absolute;
  display: block;
  overflow: visible;
  fill: none;
  stroke: #677585;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.registration-flow-arrow--across {
  top: 50%;
  right: calc(-1 * var(--process-column-gap, 48px));
  width: var(--process-column-gap, 48px);
  height: 30px;
  transform: translateY(-50%);
}
.registration-flow-arrow--return {
  top: calc(100% + 2px);
  left: calc(-50% - var(--process-column-gap, 48px));
  width: calc(100% + var(--process-column-gap, 48px));
  height: calc(var(--process-row-gap, 60px) - 4px);
}
.registration-flow-arrow--down {
  display: none;
}
.registration-step-number {
  color: #f37926;
  font: 700 19px/1 var(--mono);
}
.registration-step-label {
  margin-left: 0;
  color: #8c949d;
  font: 10px var(--mono);
}
.registration-step strong {
  display: block;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  text-align: center;
}
.scene-region:before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper);
  z-index: -1;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-symbol {
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-type {
  font-size: 22px;
  letter-spacing: 2.2px;
  font-weight: 600;
  line-height: 1.1;
}
.brand-type > span {
  display: block;
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 2.3px;
  margin-top: 7px;
}
.main-nav {
  display: flex;
  gap: 32px;
  height: 100%;
  align-items: stretch;
}
.nav-button {
  font-size: 12px;
  position: relative;
  padding: 0 2px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.nav-button:after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ink);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-button:hover:after,
.nav-button.is-active:after {
  transform: scaleX(1);
}
.nav-en {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.5px;
}
.nav-dot {
  width: 5px;
  height: 5px;
  background: var(--ink);
}
.system-status {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.7px;
}
.status-dot {
  height: 6px;
  width: 6px;
  background: #8b8b8b;
  box-shadow: 0 0 0 3px #e8e8e8;
}
.status-version {
  margin-left: 15px;
  color: var(--muted);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 13px;
}
.tiny-cross {
  font-family: var(--sans);
  font-size: 18px;
  line-height: 12px;
  font-weight: 300;
}
h1 {
  font-size: clamp(45px, 4.7vw, 78px);
  font-weight: 600;
  letter-spacing: -2.5px;
  line-height: 0.99;
  margin: 25px 0 18px;
  font-stretch: expanded;
}
.title-period {
  color: #949494;
}
.chinese-title {
  font-size: 22px;
  letter-spacing: 5px;
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}
.outlined-tag {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 1px;
  border: 1px solid #c0c0c0;
  padding: 4px 5px;
  color: #808080;
}
.intro-description {
  font-size: 12px;
  color: #7f7f7f;
  line-height: 1.95;
  letter-spacing: 1px;
  margin-top: 22px;
}
.intro-rule {
  display: flex;
  gap: 12px;
  align-items: center;
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: #959595;
  margin: 27px 0 29px;
  max-width: 290px;
}
.intro-rule > span:first-child {
  height: 1px;
  width: 50px;
  background: #bcbcbc;
}
.intro-rule > span:last-child {
  font-size: 16px;
  margin-left: auto;
}
.current-section {
  max-width: 300px;
}
.current-meta {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 1.1px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.current-state {
  font-family: var(--sans);
  color: #787878;
  font-size: 9px;
  letter-spacing: 1px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.current-state:before {
  content: "";
  width: 4px;
  height: 4px;
  background: #909090;
}
.current-section h2 {
  font-size: 19px;
  letter-spacing: 2px;
  font-weight: 700;
  margin: 13px 0 9px;
}
.current-section p {
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: 0.5px;
  color: #7f7f7f;
  font-weight: 700;
  min-height: 42px;
  margin: 0 0 18px;
}
.explore-button {
  width: 100%;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--ink);
  color: var(--paper);
  padding: 0 17px;
  font-size: 11px;
  letter-spacing: 1.7px;
  transition:
    background 0.2s,
    color 0.2s;
}
.explore-button:hover {
  background: #505050;
}
.button-arrow {
  font-size: 24px;
  font-weight: 300;
}
#scene-canvas {
  position: absolute;
  inset: 0;
  cursor: grab;
  touch-action: none;
  outline-offset: -5px;
}
#scene-canvas.is-dragging {
  cursor: grabbing;
}
#scene-canvas.is-hovering {
  cursor: pointer;
}
#scene-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.scene-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.scene-caption {
  position: absolute;
  right: 57px;
  top: 42px;
  display: flex;
  gap: 12px;
  font: 8px/1.6 var(--mono);
  color: #868686;
  letter-spacing: 1.5px;
  z-index: 2;
  pointer-events: none;
}
.bracket {
  font-size: 30px;
  font-weight: 100;
  color: #adadad;
  line-height: 28px;
}
.cabinet-labels {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.cabinet-label {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.25s;
  will-change: transform;
  opacity: 0.7;
}
.cabinet-label .label-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 27px;
  height: 27px;
  background: var(--paper);
  border: 1px solid #9b9b9b;
  font: 10px var(--mono);
}
.cabinet-label .label-name {
  font: 8px/1.5 var(--mono);
  letter-spacing: 1px;
  background: #ffffffc9;
  padding: 4px 5px;
  color: #656565;
}
.cabinet-label.is-selected {
  opacity: 1;
}
.cabinet-label.is-selected .label-number {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.cabinet-label.is-selected .label-name {
  color: var(--ink);
}
.axis-ruler {
  position: absolute;
  right: 4px;
  top: 120px;
  bottom: 76px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 14px;
  font: 9px var(--mono);
  color: #989898;
  z-index: 2;
  pointer-events: none;
}
.ruler-track {
  height: 100%;
  width: 15px;
  background: repeating-linear-gradient(
    0deg,
    transparent 0 9px,
    #c0c0c0 9px 10px
  );
  border-right: 1px solid #bbbbbb;
  position: relative;
}
.ruler-track:after {
  content: "";
  position: absolute;
  inset: 0 6px 0 0;
  background: repeating-linear-gradient(
    0deg,
    var(--paper) 0 49px,
    transparent 49px 50px
  );
}
.ruler-track i {
  height: 4px;
  width: 23px;
  background: var(--ink);
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 1;
}
.scene-bottomline {
  position: absolute;
  bottom: 1px;
  left: 13%;
  right: 3px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 3;
}
.position-display {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 8px var(--mono);
  letter-spacing: 0.8px;
  color: #8f8f8f;
}
.position-cross {
  font-size: 23px;
  font-weight: 200;
}
.position-display output {
  font-size: 10px;
  color: var(--ink);
  min-width: 64px;
}
.scene-buttons {
  display: none;
  gap: 6px;
}
.scene-buttons button {
  width: 31px;
  height: 31px;
  border: 1px solid #d0d0d0;
  background: var(--paper);
  font: 16px var(--sans);
}
.scene-buttons button:hover,
.scene-buttons button[aria-expanded="true"] {
  background: var(--ink);
  color: var(--paper);
}
.controls-help {
  position: absolute;
  bottom: 45px;
  right: 0;
  background: var(--paper);
  padding: 24px;
  border: 1px solid #bdbdbd;
  z-index: 4;
  width: 300px;
  box-shadow: 0 12px 40px #2b2b2b0d;
}
.controls-help strong {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
}
.controls-help p {
  font-size: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 15px 0 0;
  color: #7e7e7e;
}
.controls-help p span {
  color: var(--ink);
}
.scene-instructions {
  position: absolute;
  bottom: 17px;
  right: 14%;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  letter-spacing: 1px;
  color: #878787;
  pointer-events: none;
}
.scene-instructions i {
  height: 9px;
  width: 1px;
  background: #cccccc;
  margin: 0 11px;
}
.mouse-icon {
  width: 10px;
  height: 15px;
  border: 1px solid #989898;
  border-radius: 5px;
  position: relative;
}
.mouse-icon:before {
  content: "";
  width: 1px;
  height: 4px;
  position: absolute;
  left: 4px;
  top: 2px;
  background: #989898;
}
.drag-icon,
.click-icon {
  font-size: 17px;
}
.ambient-mark {
  position: absolute;
  bottom: 14px;
  left: 0;
  font: 32px var(--sans);
  color: #949494;
  line-height: 20px;
}
.scene-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--paper);
  z-index: 5;
  transition: opacity 0.4s;
}
.scene-loader.is-loaded {
  opacity: 0;
  pointer-events: none;
}
.scene-loader > span:last-child {
  font-size: 12px;
  letter-spacing: 2px;
}
.scene-loader small {
  display: block;
  font: 8px var(--mono);
  margin-top: 8px;
  letter-spacing: 1px;
  color: var(--muted);
}
.loader-mark {
  width: 25px;
  height: 25px;
  border: 1px solid var(--ink);
  border-top: 4px solid var(--ink);
  animation: load-rotate 2s steps(4) infinite;
}
@keyframes load-rotate {
  to {
    transform: rotate(360deg);
  }
}
.scene-error {
  position: absolute;
  inset: 25% 12%;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--paper);
  z-index: 6;
}
@media (min-width: 701px) {
  .scene-error {
    left: max(12%, calc(var(--sidebar-width) - var(--scene-left, 0px) + 24px));
  }
}
.scene-error > span {
  font-size: 22px;
  letter-spacing: 3px;
}
.scene-error p {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.scene-error button {
  background: var(--ink);
  color: var(--paper);
  padding: 15px 20px;
  margin-top: 15px;
}
.archive-dialog {
  position: fixed;
  inset: 16px 16px 16px auto;
  margin: 0;
  width: min(560px, calc(100% - 32px));
  height: calc(100dvh - 32px);
  max-height: none;
  max-width: none;
  padding: 0;
  background: #f7f7f7;
  color: var(--ink);
  border: 1px solid #cccccc;
  box-shadow: -20px 0 90px #32323216;
  overflow: hidden;
}
.archive-dialog[open] {
  display: flex;
  flex-direction: column;
  animation: panel-enter 0.25s ease-out;
}
.archive-dialog::backdrop {
  background: #ededed87;
  backdrop-filter: blur(5px);
}
@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.dialog-topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 62px;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
  font: 9px var(--mono);
  letter-spacing: 1px;
}
.dialog-topbar > span {
  flex: 1;
  color: #848484;
}
.dialog-topbar > button:first-child {
  font-size: 11px;
  padding: 8px 0;
}
.dialog-close {
  height: 32px;
  width: 32px;
  border: 1px solid #bdbdbd;
  font: 16px var(--sans);
  margin-left: auto;
}
.dialog-close:hover {
  background: var(--ink);
  color: var(--paper);
}
.dialog-scroll {
  overflow-y: auto;
  padding: 31px 28px 40px;
  overscroll-behavior: contain;
  flex: 1;
}
.dialog-eyebrow {
  font: 9px var(--mono);
  letter-spacing: 1.7px;
  color: #838383;
  margin: 0 0 14px;
}
.dialog-scroll h2 {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 2px;
  margin: 0 0 15px;
}
.dialog-description {
  font-size: 12px;
  color: #818181;
  line-height: 1.9;
  margin: 0 0 25px;
}
.record-knowledge-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.5vw, 24px);
}
.record-knowledge-columns > section {
  min-width: 0;
  overflow-wrap: anywhere;
}
.record-knowledge-columns h4 {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.5;
}
.index-search {
  width: 100%;
  background: transparent;
  border: 1px solid #c5c5c5;
  border-radius: 0;
  padding: 13px 14px;
  font-size: 11px;
  color: var(--ink);
  margin: 0 0 14px;
}
.index-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 23px;
}
.index-filter {
  border: 1px solid var(--line);
  padding: 8px 9px;
  font-size: 10px;
}
.index-filter.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.index-result-count {
  display: flex;
  justify-content: space-between;
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: #929292;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}
.record-card {
  display: flex;
  align-items: center;
  width: 100%;
  text-align: left;
  border-bottom: 1px solid var(--line);
  gap: 14px;
  padding: 17px 0;
}
.record-card:hover {
  background: #ebebeb;
}
.record-card img {
  width: 72px;
  height: 57px;
  object-fit: cover;
  filter: saturate(0.6);
}
.record-copy {
  flex: 1;
}
.record-copy > span {
  font: 8px var(--mono);
  letter-spacing: 0.5px;
  color: #8c8c8c;
}
.record-copy strong {
  display: block;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1px;
  margin: 7px 0;
}
.record-copy small {
  font-size: 9px;
  color: #999999;
}
.software-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  margin: 14px 0 19px;
  padding: 7px 9px;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 5px 14px #25242112;
}
.software-tag {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  white-space: nowrap;
}
.software-tag img {
  display: block;
  width: auto;
  height: 28px;
  max-width: 118px;
  border-radius: 5px;
  object-fit: contain;
  filter: none;
}
.software-tag img[src$="/c-img37.png"] {
  filter: brightness(0);
}
.software-tags-compact {
  gap: 4px;
  margin: 8px 0 0;
  padding: 4px 6px;
  border-radius: 7px;
  box-shadow: none;
}
.software-tags-compact .software-tag img {
  width: auto;
  max-width: 94px;
  border-radius: 4px;
}
.record-card > span:last-child {
  font-size: 20px;
  padding-right: 4px;
}
.index-empty {
  font-size: 12px;
  line-height: 1.8;
  color: #858585;
  padding: 30px 0;
}
.record-figure {
  margin: 0;
}
.record-rivet,
.record-depth {
  display: none;
}
.record-hero {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  margin: 24px 0 10px;
}
.image-caption {
  font: 8px var(--mono);
  letter-spacing: 0.5px;
  color: #919191;
  margin-bottom: 24px;
}
.record-video {
  margin: 24px 0 10px;
}
.record-video-screen {
  position: relative;
}
.record-case-video .record-video-screen {
  aspect-ratio: 16 / 9;
  background: #000;
}
.archive-dialog .record-video .record-video-screen .record-hero {
  margin: 0;
}
.record-video-play {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  border: 0;
  padding: 0;
  color: #fff;
  background: #1115;
  font: 13px/1.5 var(--sans);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.record-video-screen:hover .record-video-play,
.record-video-play:focus-visible {
  opacity: 1;
}
.record-video-play:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -5px;
}
.record-video-play-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid #fffc;
  border-radius: 50%;
  background: #1114;
  box-shadow: 0 4px 24px #0003;
}
.record-video-play-icon::after {
  content: "";
  margin-left: 5px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 16px solid #fff;
}
.record-video-screen iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}
.record-video.is-playing .record-hero {
  visibility: hidden;
}
.record-video.is-playing .record-video-play {
  display: none;
}
.record-video-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}
.record-video-choices button {
  border: 1px solid #d5d5d0;
  border-radius: 3px;
  padding: 5px 10px;
  background: #fff;
  color: #555;
  font: 12px/1.5 var(--sans);
  cursor: pointer;
}
.record-video-choices button[aria-pressed="true"] {
  border-color: #292929;
  background: #292929;
  color: #fff;
}
@media (hover: none) {
  .record-video-play {
    opacity: 1;
    background: #1112;
  }
}
.record-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 20px 0;
}
.record-body > .software-tags {
  margin-top: 7px;
}
.record-tags span {
  border: 1px solid #cdcdcd;
  padding: 6px 9px;
  font: 9px var(--mono);
  color: #818181;
}
.record-section {
  border-top: 1px solid var(--line);
  margin-top: 26px;
  padding-top: 20px;
}
.record-section h3 {
  font-size: 12px;
  letter-spacing: 1.3px;
  font-weight: 500;
  margin: 0 0 15px;
}
.record-section p,
.record-section li {
  font-size: 12px;
  line-height: 2;
  color: #7b7b7b;
}
.record-section ul {
  padding-left: 17px;
  margin: 0;
}
.record-link {
  background: var(--ink);
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  padding: 16px 18px;
  margin-top: 30px;
  font-size: 12px;
  letter-spacing: 1px;
}
.record-link:hover {
  background: #505050;
}
.record-disclaimer {
  font-size: 9px !important;
  color: #999999 !important;
  line-height: 1.9;
  margin-top: 16px;
}
.about-mobius {
  height: 170px;
  position: relative;
  background: #ebebeb;
  display: grid;
  place-items: center;
  margin: 25px 0;
  font: 130px/0.8 var(--sans);
  color: #7d7d7d;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 25px;
}
.about-grid > div {
  background: #f7f7f7;
  padding: 20px;
  font: 9px/2 var(--mono);
  color: #939393;
}
.about-grid strong {
  display: block;
  font-size: 24px;
  font-weight: 400;
  color: var(--ink);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.noscript-message {
  position: fixed;
  bottom: 10px;
  left: 10px;
  right: 10px;
  z-index: 20;
  background: var(--ink);
  color: var(--paper);
  padding: 20px;
  font-size: 13px;
}
.noscript-message a {
  text-decoration: underline;
}

.main-nav {
  width: 100%;
  height: auto;
  gap: 0;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.nav-button {
  padding: 0 0 13px;
  gap: 5px;
  font-size: 10px;
}
.nav-en {
  font-size: 7px;
  letter-spacing: 0;
}
.system-status {
  font-size: 8px;
}
h1 {
  font-size: clamp(48px, 4vw, 66px);
  letter-spacing: -2px;
  margin: 22px 0 18px;
}
.chinese-title {
  font-size: 21px;
  letter-spacing: 3px;
  gap: 12px;
  flex-wrap: wrap;
}
.eyebrow {
  font-size: 8px;
  letter-spacing: 0.65px;
  gap: 8px;
}
.intro-description {
  font-size: 11px;
  letter-spacing: 0.7px;
  margin-top: 20px;
}
.intro-rule {
  max-width: none;
  margin: 27px 0;
}
.current-section {
  max-width: none;
}
.current-section p {
  font-size: 11px;
  line-height: 1.95;
}
.scene-wash {
  --wash-retract: 0;
  background: none;
}
.scene-wash::before,
.scene-wash::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.scene-wash::before {
  top: 0;
  transform: translateY(calc(-100% * var(--wash-retract)));
  height: clamp(160px, 20%, 300px);
  background: linear-gradient(to bottom, #ffffffed, #ffffff55 52%, #ffffff00);
  mask-image: linear-gradient(to bottom, #000 20%, #000a 55%, transparent);
  -webkit-mask-image: linear-gradient(
    to bottom,
    #000 20%,
    #000a 55%,
    transparent
  );
}
.scene-wash::after {
  bottom: 0;
  transform: translateY(calc(100% * var(--wash-retract)));
  height: clamp(150px, 20%, 260px);
  background: linear-gradient(to top, #fffffff5, #ffffff44 48%, #ffffff00);
  mask-image: linear-gradient(to top, #000 15%, #0009 52%, transparent);
  -webkit-mask-image: linear-gradient(to top, #000 15%, #0009 52%, transparent);
}
.cabinet-label .label-name {
  font-family: var(--sans);
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 1px;
  padding: 5px 8px;
  color: var(--ink);
  background: #ffffffed;
}
.cabinet-label .label-name small {
  display: block;
  font: 7px/1.5 var(--mono);
  letter-spacing: 0.5px;
  color: #7f7f7f;
}
.cabinet-label .label-number {
  height: 34px;
  width: 28px;
}
.cabinet-label {
  gap: 0;
  opacity: 1;
  align-items: stretch;
}
.axis-ruler {
  right: 12px;
  top: 110px;
  bottom: 95px;
}
.scene-bottomline {
  bottom: 19px;
  left: 23px;
  right: 18px;
  z-index: 3;
}
.scene-buttons button {
  background: #ffffffed;
}
.position-display {
  padding: 5px;
  background: #ffffffd9;
  gap: 7px;
}
.position-display output {
  font-variant-numeric: tabular-nums;
}
.scene-instructions {
  bottom: 28px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  z-index: 2;
  white-space: nowrap;
  gap: 6px;
  font-size: 8px;
  padding: 8px 12px;
  background: #ffffffed;
}
.scene-instructions i {
  margin: 0 7px;
}
.controls-help {
  right: 18px;
  bottom: 62px;
}
.record-hero {
  height: auto;
}

@media (min-width: 1550px) {
  .sidebar {
    padding-top: 44px;
  }
  .topbar {
    gap: 36px;
  }
  .intro {
    padding-top: 44px;
  }
  .current-section p {
    font-size: 12px;
  }
  .intro-description {
    font-size: 12px;
  }
  .intro-rule {
    margin: 36px 0;
  }
  .sidebar-footer {
    padding-top: 22px;
  }
}
@media (max-height: 820px) and (min-width: 701px) {
  .sidebar {
    padding-top: 25px;
    padding-bottom: 18px;
  }
  .topbar {
    gap: 23px;
  }
  .intro {
    padding-top: 30px;
    padding-bottom: 25px;
  }
  h1 {
    font-size: clamp(45px, 3.8vw, 58px);
    margin: 20px 0 14px;
  }
  .intro-description {
    margin-top: 15px;
  }
  .intro-rule {
    margin: 20px 0;
  }
  .current-section p {
    margin-bottom: 14px;
  }
  .sidebar-footer {
    gap: 10px;
    padding-top: 12px;
  }
}
@media (max-width: 1150px) {
  .workspace {
    --sidebar-width: 310px;
  }
  .sidebar {
    padding-left: 26px;
    padding-right: 26px;
  }
  .nav-en {
    display: none;
  }
  .nav-button {
    font-size: 11px;
  }
  .scene-instructions {
    left: 45%;
    font-size: 8px;
  }
  .scene-instructions > span:nth-last-child(-n + 2),
  .scene-instructions i:last-of-type {
    display: none;
  }
  .position-display > span:nth-child(2) {
    display: none;
  }
  .cabinet-label .label-name {
    font-size: 9px;
    padding: 5px;
  }
  .cabinet-label .label-name small {
    font-size: 6px;
  }
  .axis-ruler {
    right: 8px;
  }
}
@media (max-width: 900px) and (min-width: 701px) {
  .workspace {
    --sidebar-width: 280px;
  }
  .sidebar {
    padding-left: 22px;
    padding-right: 22px;
  }
  .brand-type {
    font-size: 20px;
  }
  h1 {
    font-size: 45px;
  }
  .chinese-title {
    font-size: 18px;
    letter-spacing: 2px;
    gap: 8px;
  }
  .outlined-tag {
    font-size: 7px;
  }
  .eyebrow {
    font-size: 7px;
    letter-spacing: 0.2px;
  }
  .cabinet-label .label-name {
    font-size: 8px;
    letter-spacing: 0;
  }
  .cabinet-label .label-number {
    width: 21px;
    font-size: 8px;
  }
  .axis-ruler {
    display: none;
  }
  .scene-instructions {
    left: 50%;
    bottom: 26px;
  }
  .scene-bottomline {
    left: 12px;
    right: 12px;
  }
  .scene-buttons {
    gap: 4px;
  }
  .scene-buttons button {
    width: 26px;
    height: 26px;
  }
  .position-display {
    font-size: 7px;
  }
  .position-cross {
    font-size: 16px;
  }
  .position-display output {
    font-size: 8px;
    min-width: 51px;
  }
}
@media (max-width: 700px) {
  .archive-app {
    height: auto;
    min-height: 100svh;
    overflow: hidden;
  }
  .workspace {
    height: auto;
    min-height: 100svh;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(540px, 70svh);
  }
  .follow-social {
    top: 252px;
    right: 0;
    left: auto;
    height: 164px;
    transform: none;
  }
  .follow-social-trigger {
    width: 48px;
    height: 164px;
    gap: 13px;
    padding: 13px 7px;
    border-radius: 22px;
  }
  .follow-social-trigger-label {
    font-size: 13px;
    letter-spacing: 1px;
  }
  .follow-social-trigger-arrow {
    width: 25px;
    height: 25px;
    font-size: 0;
  }
  .follow-social-panel {
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: 235px;
    min-height: 78px;
    flex-direction: row;
    padding: 10px 12px;
    border-radius: 18px;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
  }
  .follow-social.is-open .follow-social-panel {
    transform: translateY(0) scale(1);
  }
  .follow-social-panel h2 {
    margin: 0 10px 0 0;
    font-size: 10px;
  }
  .follow-social-list {
    flex-direction: row;
    gap: 8px;
  }
  .follow-social-link {
    width: 42px;
    height: 42px;
    padding: 0;
  }
  .follow-wechat-qr {
    top: calc(100% + 12px);
    right: 0;
    left: auto;
    transform: translateY(-7px);
  }
  .follow-wechat-qr::before {
    top: -6px;
    right: 11px;
    left: auto;
    border-right: 1px solid #dedee4;
    border-bottom: 0;
    transform: rotate(45deg);
  }
  .follow-social-item:hover .follow-wechat-qr,
  .follow-social-item:focus-within .follow-wechat-qr,
  .follow-social-item.is-open .follow-wechat-qr {
    transform: translateY(0);
  }
  .sidebar {
    padding: 22px 23px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    overflow: visible;
    scrollbar-gutter: auto;
  }
  .topbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .brand {
    gap: 8px;
  }
  .brand-symbol {
    width: 29px;
    height: 30px;
  }
  .brand-type {
    font-size: 16px;
    letter-spacing: 1.5px;
  }
  .brand-type > span {
    font-size: 6px;
    letter-spacing: 1.3px;
  }
  .main-nav {
    width: auto;
    gap: 13px;
    border-bottom: 0;
  }
  .nav-button {
    font-size: 10px;
    padding: 10px 0;
  }
  .nav-dot {
    display: none;
  }
  .intro {
    padding: 30px 0 25px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .eyebrow {
    grid-column: 1/-1;
    font-size: 7px;
  }
  .intro h1 {
    font-size: clamp(44px, 10vw, 65px);
    margin: 17px 0 14px;
    grid-column: 1;
  }
  .chinese-title {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
    display: block;
    text-align: right;
    font-size: 20px;
    letter-spacing: 2px;
    margin-bottom: 18px;
  }
  .outlined-tag {
    display: table;
    font-size: 7px;
    letter-spacing: 0.5px;
    margin-top: 10px;
    margin-left: auto;
  }
  .intro-description {
    grid-column: 1/-1;
    margin: 0;
    font-size: 10px;
    line-height: 1.9;
    letter-spacing: 0.5px;
  }
  .intro-description br {
    display: none;
  }
  .intro-rule,
  .current-section,
  .sidebar-footer {
    display: none;
  }
  .scene-region {
    height: 100%;
    min-height: 540px;
  }
  .scene-bottomline {
    left: 12px;
    right: 12px;
    bottom: 14px;
  }
  .scene-buttons button {
    width: 27px;
    height: 27px;
  }
  .position-display {
    font-size: 7px;
    padding: 4px;
    gap: 3px;
  }
  .position-display output {
    font-size: 8px;
    min-width: 51px;
  }
  .position-cross {
    font-size: 18px;
  }
  .scene-instructions {
    left: 51%;
    bottom: 23px;
    font-size: 7px;
    gap: 4px;
    letter-spacing: 0;
  }
  .scene-instructions i {
    margin: 0 4px;
  }
  .scene-instructions .mouse-icon {
    width: 8px;
    height: 12px;
  }
  .mouse-icon:before {
    left: 3px;
  }
  .cabinet-label .label-number {
    height: 29px;
    width: 21px;
    font-size: 8px;
  }
  .cabinet-label .label-name {
    font-size: 8px;
    letter-spacing: 0;
    padding: 3px;
  }
  .cabinet-label .label-name small {
    display: none;
  }
  .axis-ruler {
    right: 7px;
    top: 85px;
    bottom: 80px;
    font-size: 8px;
  }
  .ruler-track {
    width: 7px;
  }
  .ruler-track:after {
    right: 4px;
  }
  .ruler-track i {
    width: 13px;
  }
  .controls-help {
    right: 12px;
    bottom: 54px;
    width: 280px;
    padding: 20px;
  }
  .archive-dialog {
    inset: 8px;
    width: calc(100% - 16px);
    height: calc(100dvh - 16px);
  }
  .dialog-topbar {
    padding: 0 20px;
    min-height: 57px;
  }
  .dialog-scroll {
    padding: 26px 20px;
  }
  .dialog-scroll h2 {
    font-size: 25px;
  }
  .record-copy strong {
    font-size: 12px;
  }
  .record-card img {
    width: 62px;
    height: 51px;
  }
  .index-filter {
    font-size: 9px;
    padding: 8px;
  }
  .scene-error {
    inset: 20% 10%;
    padding: 24px;
  }
  .scene-error > span {
    font-size: 18px;
  }
  .scene-error p {
    font-size: 11px;
  }
}
@media (max-width: 380px) {
  .sidebar {
    padding-left: 17px;
    padding-right: 17px;
  }
  .topbar {
    gap: 10px;
  }
  .main-nav {
    gap: 9px;
  }
  .nav-button {
    font-size: 9px;
  }
  .chinese-title {
    font-size: 18px;
  }
  .cabinet-label .label-name {
    font-size: 7px;
  }
  .cabinet-label .label-number {
    width: 17px;
  }
  .scene-instructions {
    left: 52%;
    gap: 3px;
    font-size: 6px;
  }
}
.cabinet-label {
  min-height: 66px;
  padding: 7px;
  gap: 7px;
  border: 1px solid #ffffffa8;
  background: #ffffff86;
  backdrop-filter: blur(5px);
  box-shadow: 0 8px 30px #2e2e2e0c;
  align-items: center;
}
.cabinet-label .label-number {
  width: 24px;
  height: 34px;
  flex-shrink: 0;
  font-size: 11px;
  border-color: #6f6f6f55;
  background: #ffffff60;
}
.cabinet-label .label-name {
  min-width: 0;
  padding: 0;
  font-size: clamp(13px, 1.05vw, 16px);
  font-weight: 500;
  letter-spacing: 0.4px;
  line-height: 1.4;
  word-break: keep-all;
  background: transparent;
}
.cabinet-label .label-name small {
  margin-top: 4px;
  font-size: 8px;
  letter-spacing: 0.6px;
}
.cabinet-label.is-selected .label-number {
  background: #292929dc;
}
.cabinet-label.is-hovered {
  border-color: var(--department-color, #c9c9c9);
  background: #ffffffb8;
}
.cabinet-label.is-hovered .label-number {
  color: #fff;
  background: var(--department-color);
  border-color: var(--department-color);
}
.scene-region:not([data-view="overview"]) .axis-ruler,
.scene-region:not([data-view="overview"]) .scene-instructions,
.scene-region:not([data-view="overview"]) .position-display {
  visibility: hidden;
}
.scene-region[data-view="entering"] .cabinet-labels,
.scene-region[data-view="leaving"] .cabinet-labels {
  visibility: visible;
  opacity: var(--drawer-label-opacity, 1);
  transform: translate3d(0, var(--drawer-label-y, 0), 0);
  will-change: transform, opacity;
}
.scene-region[data-view="drawer"] .cabinet-labels {
  visibility: hidden;
}
.scene-region[data-view="travelling"] .cabinet-labels,
.scene-region[data-view="exhibit"] .cabinet-labels {
  visibility: hidden;
}
.scene-region:not([data-view="overview"]) #scene-canvas {
  cursor: default;
}
.drawer-focus {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}
.drawer-focus > .scene-ui {
  position: relative;
  z-index: 6;
}
.drawer-focus-header {
  position: absolute;
  left: 24px;
  right: 24px;
  top: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 14px 0 22px;
  visibility: hidden;
  opacity: var(--drawer-header-opacity, 0);
  transform: translate3d(0, var(--drawer-header-y, -120px), 0);
  will-change: transform, opacity;
}
.scene-region[data-view="entering"] .drawer-focus-header,
.scene-region[data-view="drawer"] .drawer-focus-header,
.scene-region[data-view="leaving"] .drawer-focus-header {
  visibility: visible;
}
.scene-region:not([data-view="drawer"]) .drawer-return {
  pointer-events: none;
}
.drawer-return {
  pointer-events: auto;
  padding: 13px 15px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: 1px;
  white-space: nowrap;
}
.drawer-return:hover {
  background: #505050;
}
.drawer-focus-heading {
  flex: 1;
  min-width: 0;
}
.drawer-focus-heading > span {
  display: block;
  font: 9px var(--mono);
  letter-spacing: 1.3px;
  color: #8b8b8b;
}
.drawer-focus-heading h2 {
  margin: 8px 0 0;
  font-size: 22px;
  letter-spacing: 2px;
  font-weight: 500;
}
.drawer-focus-count {
  font: 30px/1 var(--mono);
  color: var(--ink);
  text-align: right;
  flex-shrink: 0;
}
.drawer-focus-count b {
  font: inherit;
}
.record-drawer-title {
  margin: 0 0 18px;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 1px;
}
.drawer-focus-count span {
  display: block;
  margin-top: 9px;
  font: 7px var(--mono);
  letter-spacing: 1px;
  color: #939393;
}
.file-hotspots {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.file-hotspot {
  position: absolute;
  pointer-events: auto;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.file-hotspot:focus-visible {
  outline: 1px dashed #616161;
  outline-offset: 5px;
}
.file-hotspot:disabled {
  pointer-events: none;
}
.drawer-return:disabled,
.scene-buttons button:disabled {
  opacity: 0.4;
  cursor: default;
}
.record-progress {
  position: fixed;
  left: clamp(16px, 1.9vw, 36px);
  top: 50%;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 44px;
  max-height: calc(100dvh - 140px);
  padding: 0;
  transform: translateY(-50%);
}
.record-progress[hidden] {
  display: none;
}
.record-progress-current {
  position: absolute;
  z-index: 2;
  top: var(--record-progress-position, 50%);
  left: 50%;
  width: 6px;
  height: 28px;
  max-height: calc(100% / var(--record-progress-count, 1) - 8px);
  border-radius: 5px;
  background: var(--record-progress-color, #a5a5a5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: background-color 0.2s ease;
}
.record-progress::after {
  content: attr(data-position) " / " attr(data-total);
  position: absolute;
  top: 100%;
  left: 50%;
  width: 64px;
  margin-top: 16px;
  color: #757575;
  font: 10px/1.5 Consolas, monospace;
  text-align: center;
  white-space: nowrap;
  transform: translateX(-50%);
}
.record-progress-dot {
  position: relative;
  display: flex;
  flex: 0 1 44px;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 44px;
  min-height: 12px;
}
.record-progress-dot::before {
  content: "";
  position: relative;
  z-index: 1;
  width: 6px;
  height: 6px;
  max-height: calc(100% - 8px);
  border-radius: 5px;
  background: #ffffff;
  box-shadow: 0 0 0 1px #b5b5b5;
  transition: opacity 0.18s ease;
}
.record-progress-dot::after {
  content: "";
  position: absolute;
  top: 50%;
  left: calc(50% - 1px);
  width: 2px;
  height: 100%;
  background: #b5b5b5;
}
.record-progress-dot:last-child::after {
  display: none;
}
.record-progress-dot[aria-current="step"]::before {
  opacity: 0;
}
.archive-dialog[data-presentation="file"] {
  --record-perspective: 4000px;
  --record-angle-x: -14deg;
  --record-angle-y: 20deg;
  --record-depth: 12px;
  inset: 0;
  margin: 0;
  width: 100%;
  height: 100dvh;
  background: transparent;
  border: 0;
  box-shadow: none;
  animation: none;
}
.record-measurement {
  display: flex;
  flex-direction: column;
  visibility: hidden;
  pointer-events: none;
}
.archive-dialog[data-presentation="file"]::backdrop {
  background: #f3f3f399;
  backdrop-filter: blur(12px);
}
.archive-dialog[data-presentation="file"] .dialog-topbar {
  flex-shrink: 0;
  z-index: 2;
  min-height: 44px;
  padding: 0;
  gap: 20px;
  margin-bottom: 28px;
  border: 0;
  background: transparent;
}
.archive-dialog[data-presentation="file"] .dialog-topbar > span {
  font-size: 12px;
  color: #666666;
}
.archive-dialog[data-presentation="file"] #dialog-close {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 0;
  font-size: 28px;
}
.archive-dialog[data-presentation="file"] .dialog-scroll {
  min-height: 0;
  padding: clamp(48px, 8dvh, 88px) clamp(32px, 4vw, 86px);
  overflow: hidden;
}
.archive-dialog[data-presentation="file"] .record-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(40px, 4vw, 76px);
  align-items: center;
  width: min(100%, 1660px);
  margin: auto;
  height: 100%;
  min-height: 0;
}
.archive-dialog[data-presentation="file"] .record-cover-anchor {
  min-width: 0;
  width: min(100%, 82dvh, 800px);
  justify-self: center;
  transform-origin: top left;
}
.archive-dialog[data-presentation="file"] .record-cover,
.archive-dialog[data-presentation="file"] .record-notes {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
  transition: none;
}
.archive-dialog[data-presentation="file"] .record-cover {
  width: 100%;
  padding: clamp(24px, 2.5vw, 42px);
  border: 1px solid #d5d5d0;
  background: #fafaf8;
  box-shadow: 18px 30px 65px #29292924;
  transform-style: preserve-3d;
  transition: transform 550ms cubic-bezier(0.2, 0.65, 0.25, 1);
  transform: perspective(var(--record-perspective))
    rotateX(calc(var(--record-angle-x) + var(--reading-tilt-x, 10deg)))
    rotateY(calc(var(--record-angle-y) + var(--reading-tilt-y, 4deg)));
}
.archive-dialog[data-presentation="file"] .record-depth {
  display: block;
  position: absolute;
  pointer-events: none;
}
.archive-dialog[data-presentation="file"] .record-depth-back {
  inset: -1px;
  border: 1px solid #c9c9c2;
  background: #eeeee9;
  transform: translateZ(-12px);
  box-shadow: 10px 20px 45px #29292912;
}
.archive-dialog[data-presentation="file"] .record-depth-edge {
  top: 0;
  bottom: 0;
  left: 0;
  width: 12px;
  transform-origin: left center;
  transform: rotateY(90deg);
  background: repeating-linear-gradient(
    to right,
    #c9c9c2 0 1px,
    #efefea 1px 3px
  );
}
.archive-dialog[data-presentation="file"] .record-depth-bottom {
  left: 0;
  right: 0;
  bottom: -12px;
  height: 12px;
  transform-origin: center top;
  transform: rotateX(-90deg);
  background: repeating-linear-gradient(
    to bottom,
    #c9c9c2 0 1px,
    #e3e3dd 1px 3px
  );
}
.archive-dialog[data-presentation="file"] .record-cover::before {
  content: "";
  position: absolute;
  left: 24px;
  top: -23px;
  width: 34%;
  height: 23px;
  border: 1px solid #d5d5d0;
  border-bottom: 0;
  border-radius: 3px 9px 0 0;
  background: #fafaf8;
}
.archive-dialog[data-presentation="file"] .record-cover::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid #e1e1dc;
  pointer-events: none;
}
.archive-dialog[data-presentation="file"] .record-rivet {
  display: block;
  position: absolute;
  top: 20px;
  right: 20px;
  width: 9px;
  height: 9px;
  border: 2px solid #b8b8b2;
  border-radius: 50%;
  box-shadow: 1px 1px 1px #00000012;
}
.archive-dialog[data-presentation="file"] .record-cover .dialog-eyebrow {
  padding-right: 10px;
  line-height: 1.8;
}
.archive-dialog[data-presentation="file"] .record-cover h2 {
  font-size: clamp(24px, 2.2vw, 36px);
  line-height: 1.5;
  margin-bottom: 0;
}
.archive-dialog[data-presentation="file"] .record-hero {
  height: auto;
  object-fit: contain;
  /* background: #f0f0f0; */
  margin-top: 24px;
}
.archive-dialog[data-presentation="file"] .image-caption {
  font-size: 7px;
  line-height: 1.8;
  margin-bottom: 0;
}
.archive-dialog[data-presentation="file"] .record-notes {
  display: flex;
  flex-direction: column;
  max-height: 100%;
}
.archive-dialog[data-presentation="file"] .record-body {
  min-height: 0;
  padding: 0 16px 12px 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #b5b5b5 transparent;
}
.archive-dialog[data-presentation="file"] .record-body:focus-visible {
  outline-offset: -3px;
}
.archive-dialog[data-presentation="file"] .dialog-description,
.archive-dialog[data-presentation="file"] .record-section li {
  font-size: 18px;
  line-height: 1.85;
  color: #373737;
}
.archive-dialog[data-presentation="file"] .record-english {
  font: 13px/1.6 var(--mono);
  color: #626262;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}
.archive-dialog[data-presentation="file"] .record-tags {
  gap: 10px 18px;
  margin: 18px 0 0;
}
.archive-dialog[data-presentation="file"] .record-tags span {
  border: 0;
  padding: 0;
  font: 14px/1.7 var(--mono);
  color: #606060;
}
.archive-dialog[data-presentation="file"] .record-section {
  border: 0;
  margin-top: 32px;
  padding: 0;
}
.archive-dialog[data-presentation="file"] .record-section h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: 14px;
}
.archive-dialog[data-presentation="file"] .record-section ul {
  padding-left: 1.2em;
}
.archive-dialog[data-presentation="file"] .record-section li + li {
  margin-top: 8px;
}
.archive-dialog[data-presentation="file"] .record-link {
  width: fit-content;
  gap: 24px;
  padding: 8px 0;
  margin-top: 28px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
  background: transparent;
  color: var(--ink);
}
.archive-dialog[data-presentation="file"] .record-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.archive-dialog[data-presentation="file"] .record-disclaimer {
  font-size: 13px !important;
  color: #686868 !important;
  line-height: 1.8;
  margin: 18px 0 0;
}
.archive-dialog[data-closing="true"] .dialog-scroll {
  pointer-events: none;
}
@media (max-width: 900px) {
  .record-progress {
    left: 6px;
    width: 24px;
  }
  .record-progress-current {
    width: 5px;
    height: 20px;
  }
  .record-progress::after {
    width: 36px;
    margin-top: 12px;
    font-size: 9px;
  }
  .record-progress-dot {
    flex-basis: 32px;
    height: 32px;
  }
  .record-progress-dot::before {
    width: 5px;
    height: 5px;
  }
  .archive-dialog[data-presentation="file"]:has(.record-progress:not([hidden])) .dialog-scroll {
    padding-left: 42px;
  }
  .archive-dialog[data-presentation="file"] .dialog-topbar {
    position: fixed;
    top: 14px;
    right: 24px;
    left: 24px;
    background: #f8f8f8f2;
  }
  .archive-dialog[data-presentation="file"] .dialog-topbar > span {
    font-size: 11px;
    letter-spacing: 0;
    line-height: 1.6;
  }
  .archive-dialog[data-presentation="file"] .dialog-scroll {
    overflow-y: auto;
    padding: 88px 24px 36px;
  }
  .archive-dialog[data-presentation="file"] .record-layout {
    display: flex;
    flex-direction: column;
    gap: 56px;
    width: min(100%, 640px);
    height: auto;
  }
  .archive-dialog[data-presentation="file"] .record-body {
    padding: 0;
    overflow: visible;
  }
  .archive-dialog[data-presentation="file"] .record-cover-anchor {
    width: min(80vw, 380px);
    margin: 10px auto 0;
    flex-shrink: 0;
  }
  .archive-dialog[data-presentation="file"] .record-cover {
    padding: 24px 20px;
  }
  .archive-dialog[data-presentation="file"] .record-notes {
    width: 100%;
    max-height: none;
  }
  .archive-dialog[data-presentation="file"] .record-cover h2 {
    font-size: 22px;
  }
  .archive-dialog[data-presentation="file"] .record-hero {
    margin-top: 22px;
  }
  .archive-dialog[data-presentation="file"] .dialog-description,
  .archive-dialog[data-presentation="file"] .record-section li {
    font-size: 17px;
  }
  .archive-dialog[data-presentation="file"] .record-english {
    font-size: 13px;
  }
}
@media (max-width: 1150px) {
  .cabinet-label {
    gap: 5px;
    padding: 6px;
    min-height: 62px;
  }
  .cabinet-label .label-number {
    width: 20px;
    height: 30px;
    font-size: 10px;
  }
  .cabinet-label .label-name {
    font-size: 13px;
    letter-spacing: 0;
  }
  .cabinet-label .label-name small {
    font-size: 7px;
    letter-spacing: 0.4px;
  }
  .drawer-focus-header {
    gap: 17px;
  }
  .drawer-focus-count {
    font-size: 23px;
  }
}
@media (max-width: 900px) and (min-width: 701px) {
  .cabinet-label {
    flex-direction: column;
    gap: 4px;
    padding: 6px 4px;
    min-height: 70px;
    text-align: center;
  }
  .cabinet-label .label-number {
    width: auto;
    height: auto;
    font-size: 9px;
    padding: 2px 4px;
  }
  .cabinet-label .label-name {
    font-size: 11px;
  }
  .cabinet-label .label-name small {
    display: none;
  }
  .drawer-focus-count {
    display: none;
  }
  .drawer-focus-heading h2 {
    font-size: 18px;
  }
}
@media (max-width: 700px) {
  .cabinet-label {
    flex-direction: column;
    gap: 4px;
    padding: 6px 4px;
    min-height: 70px;
    text-align: center;
  }
  .cabinet-label .label-number {
    width: auto;
    height: auto;
    font-size: 9px;
    padding: 2px 4px;
  }
  .cabinet-label .label-name {
    font-size: 11px;
    line-height: 1.35;
    letter-spacing: 0;
  }
  .cabinet-label .label-name small {
    display: none;
  }
  .drawer-focus-header {
    top: 18px;
    left: 16px;
    right: 16px;
    gap: 14px;
    padding: 8px 0 16px;
  }
  .drawer-return {
    padding: 11px 9px;
    font-size: 10px;
    letter-spacing: 0.5px;
  }
  .drawer-focus-heading > span {
    font-size: 7px;
    letter-spacing: 0.5px;
  }
  .drawer-focus-heading h2 {
    font-size: 17px;
    letter-spacing: 1px;
    margin-top: 5px;
  }
  .drawer-focus-count {
    font-size: 24px;
  }
  .drawer-focus-count span {
    font-size: 6px;
    letter-spacing: 0;
    max-width: 35px;
    line-height: 1.4;
  }
}
.cabinet-label.has-chapters {
  --chapter-label-height: 66px;
  --chapter-card-height: var(--chapter-label-height);
  --chapter-card-gap: 8px;
  --chapter-stack-step-x: 8px;
  --chapter-stack-step-y: 5px;
  --chapter-unfold-ease: cubic-bezier(0.22, 0.75, 0.2, 1);
  display: block;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  pointer-events: auto;
  isolation: isolate;
  z-index: 3;
}
@supports (transition-timing-function: linear(0, 1)) {
  .cabinet-label.has-chapters {
    /* Pull, catch briefly, then seat each card with a small final recoil. */
    --chapter-unfold-ease: linear(
      0,
      0.012 8%,
      0.05 16%,
      0.19 26%,
      0.48 38%,
      0.76 49%,
      0.82 56%,
      0.825 63%,
      0.86 69%,
      0.95 77%,
      1.018 86%,
      1.008 93%,
      1
    );
  }
}
.chapter-trigger {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  height: var(--chapter-label-height);
  min-height: var(--chapter-label-height);
  padding: 7px;
  border: 1px solid #c5c5c5;
  border-bottom: 2px solid #999999;
  text-align: left;
  background: #fffffff2;
  backdrop-filter: blur(5px);
  box-shadow: 0 5px 12px #00000012;
}
.chapter-trigger:hover,
.has-chapters.is-expanded .chapter-trigger {
  border-color: #bfbfbf;
  background: #ffffffe8;
}
.chapter-trigger[aria-disabled="true"] {
  cursor: progress;
}
.chapter-trigger .label-name small {
  font-family: var(--sans);
  font-size: 8px;
  letter-spacing: 0.5px;
}
.chapter-chevron {
  position: absolute;
  right: 7px;
  top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
  color: #686868;
  font-size: 12px;
}
.chapter-chevron span {
  font: 8px var(--sans);
  letter-spacing: 0.5px;
}
.chapter-chevron i {
  font-style: normal;
  transition: transform 400ms var(--chapter-unfold-ease);
}
.is-expanded .chapter-chevron i {
  transform: rotate(180deg);
}
.chapter-options {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: var(--chapter-label-height);
  pointer-events: none;
}
.is-expanded .chapter-options {
  height: calc(
    var(--chapter-label-height) + 10px + var(--chapter-count) *
      (var(--chapter-card-height) + var(--chapter-card-gap))
  );
  pointer-events: auto;
}
.is-expanded .chapter-options::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
}
.chapter-option {
  --chapter-stack-x: calc(
    (var(--chapter-order) + 1) * var(--chapter-stack-step-x)
  );
  --chapter-stack-y: calc(
    (var(--chapter-order) + 1) * var(--chapter-stack-step-y)
  );
  position: absolute;
  top: 0;
  left: 0;
  z-index: calc(var(--chapter-count) - var(--chapter-order));
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px;
  width: 100%;
  height: var(--chapter-label-height);
  overflow: hidden;
  border: 1px solid #aaaaaa;
  border-bottom: 2px solid #929292;
  background: #e7e7e7;
  box-shadow: 0 5px 9px #00000016;
  text-align: left;
  transform: translate3d(var(--chapter-stack-x), var(--chapter-stack-y), 0);
  transition:
    transform 460ms cubic-bezier(0.4, 0, 0.2, 1),
    width 460ms cubic-bezier(0.4, 0, 0.2, 1),
    height 460ms cubic-bezier(0.4, 0, 0.2, 1),
    background-color 200ms,
    border-color 200ms,
    box-shadow 200ms;
  transition-delay: calc(var(--chapter-order) * 55ms);
}
.chapter-option:nth-child(2) {
  background: #dddddd;
}
.chapter-option:nth-child(3) {
  background: #d2d2d2;
}
.chapter-option > span {
  opacity: 0;
  transition: opacity 100ms;
}
.is-expanded .chapter-option {
  width: 100%;
  height: var(--chapter-card-height);
  transform: translate3d(
    0,
    calc(
      var(--chapter-label-height) + 10px + var(--chapter-order) *
        (var(--chapter-card-height) + var(--chapter-card-gap))
    ),
    0
  );
  background: #fafafa;
  border-color: #b8b8b8;
  box-shadow: 0 9px 18px #00000014;
  transition-duration: 680ms, 680ms, 680ms, 200ms, 200ms, 200ms;
  transition-timing-function:
    var(--chapter-unfold-ease), cubic-bezier(0.22, 0.75, 0.2, 1),
    cubic-bezier(0.22, 0.75, 0.2, 1), ease, ease, ease;
  /* Release the bottom card first so the cards above never overtake it. */
  transition-delay: calc(
    (var(--chapter-count) - var(--chapter-order) - 1) * 85ms
  );
}
.is-expanded .chapter-option > span {
  opacity: 1;
  transition: opacity 220ms ease
    calc(100ms + (var(--chapter-count) - var(--chapter-order) - 1) * 85ms);
}
.chapter-option:hover,
.chapter-option:focus-visible {
  background: #f3f3f3;
  border-color: #999999;
}
.is-expanded .chapter-option.is-current {
  border-left: 3px solid #444444;
  padding-left: 10px;
}
.chapter-option strong {
  display: block;
  font-size: 12px;
  letter-spacing: 0.5px;
  font-weight: 500;
  white-space: nowrap;
}
.chapter-option small {
  display: block;
  margin-top: 5px;
  font: 7px var(--mono);
  color: #8c8c8c;
  letter-spacing: 0.5px;
}
.chapter-option-code {
  white-space: nowrap;
}
.chapter-option-number {
  font: 11px var(--mono);
  color: #8d8d8d;
}
.chapter-option-mark {
  margin-left: auto;
  font-size: 13px;
}
.current-chapter {
  display: inline-block;
  padding: 4px 6px;
  border: 1px solid #d4d4d4;
  margin: 10px 0 9px;
  vertical-align: middle;
  font-size: 9px;
  letter-spacing: 0.5px;
  color: #747474;
}
.current-section:has(.current-chapter:not([hidden])) h2 {
  display: inline-block;
  margin-right: 10px;
  vertical-align: middle;
}
.drawer-focus-heading .focus-chapter {
  font-family: var(--sans);
  font-size: 10px;
  margin-top: 8px;
  letter-spacing: 1px;
}
.index-chapters {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin: -8px 0 23px;
}
.index-chapters button {
  font-size: 10px;
  padding: 7px 9px;
  border-bottom: 1px solid #cccccc;
  color: #818181;
}
.index-chapters button.is-active {
  color: var(--ink);
  border-color: var(--ink);
  background: #eeeeee;
}
@media (max-width: 1150px) {
  .cabinet-label.has-chapters {
    --chapter-label-height: 62px;
  }
  .chapter-trigger {
    gap: 5px;
    padding: 6px;
  }
  .chapter-trigger .label-name small {
    font-size: 8px;
    letter-spacing: 0;
  }
  .chapter-option {
    gap: 5px;
    padding: 6px;
  }
  .chapter-option strong {
    font-size: 11px;
    letter-spacing: 0;
  }
  .chapter-option small {
    font-size: 7px;
    letter-spacing: 0;
  }
  .chapter-option-mark,
  .chapter-option-code {
    display: none;
  }
}
@media (max-width: 900px) {
  .cabinet-label.has-chapters {
    --chapter-label-height: 82px;
    --chapter-stack-step-x: 6px;
    --chapter-stack-step-y: 4px;
  }
  .chapter-trigger {
    flex-direction: column;
    text-align: center;
    gap: 4px;
    padding: 6px 4px 19px;
  }
  .chapter-chevron {
    top: auto;
    bottom: 5px;
    right: 50%;
    transform: translateX(50%);
    white-space: nowrap;
  }
  .chapter-trigger .label-name small {
    display: block;
    margin-top: 4px;
    font-size: 8px;
  }
  .chapter-option {
    justify-content: center;
    gap: 0;
    padding: 7px 4px;
    text-align: center;
  }
  .is-expanded .chapter-option.is-current {
    padding-left: 4px;
  }
  .chapter-option-number,
  .chapter-option-mark {
    display: none;
  }
  .chapter-option-copy {
    width: 100%;
    min-width: 0;
  }
  .chapter-option strong {
    font-size: 10px;
    line-height: 1.35;
    letter-spacing: 0;
    white-space: nowrap;
  }
  .chapter-option small {
    margin-top: 5px;
    font-size: 7px;
    line-height: 1.35;
    letter-spacing: 0;
    white-space: nowrap;
  }
}
.main-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  gap: 6px;
}
.main-nav .nav-button {
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 10px 0 13px;
  white-space: nowrap;
  font-size: 11px;
}
.main-nav .nav-en {
  display: block;
  font-size: 6px;
  letter-spacing: 0.6px;
}
.main-nav .nav-dot {
  display: none;
}
.main-nav .nav-button:disabled,
.explore-button:disabled {
  opacity: 0.55;
  cursor: progress;
}
.exhibit-heading {
  position: absolute;
  z-index: 3;
  top: 34px;
  left: 32px;
  right: 32px;
  pointer-events: none;
}
.scene-region[data-section="works"] .exhibit-heading {
  transform: translateY(0);
  opacity: 1;
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), opacity 240ms ease;
}
.scene-region[data-section="works"][data-gallery-view="focusing"] .exhibit-heading,
.scene-region[data-section="works"][data-gallery-view="focused"] .exhibit-heading,
.scene-region[data-section="works"][data-gallery-view="returning"] .exhibit-heading {
  transform: translateY(calc(-100% - 40px));
  opacity: 0;
  transition-duration: 240ms, 180ms;
}
@media (prefers-reduced-motion: reduce) {
  .scene-region[data-section="works"] .exhibit-heading {
    transition: none;
  }
}
.exhibit-heading > span {
  color: #8b8b86;
  font: 9px var(--mono);
  letter-spacing: 1.5px;
}
.exhibit-heading h2 {
  margin: 10px 0 7px;
  font-size: 25px;
  font-weight: 500;
  letter-spacing: 3px;
}
.exhibit-heading p {
  margin: 0;
  font-size: 11px;
  color: #777772;
}
.scene-region[data-section]:not([data-section="space"]) .scene-wash {
  --wash-retract: 1;
}
.scene-region[data-section-phase] .scene-wash::before,
.scene-region[data-section-phase] .scene-wash::after {
  will-change: transform;
}
.scene-region[data-section]:not([data-section="space"]) .controls-help {
  display: none;
}
.exhibit-hotspot {
  pointer-events: auto;
}
.exhibit-hotspot:disabled {
  pointer-events: none;
}
.exhibit-hotspot:focus-visible {
  outline: 2px dashed #777772;
  outline-offset: 5px;
}
.scene-region[data-section="works"] {
  touch-action: none;
}
.gallery-hotspot {
  pointer-events: auto;
  touch-action: none;
}
.gallery-hotspot:disabled {
  pointer-events: none;
}
.gallery-hotspot:focus-visible {
  outline: 2px solid #55564f;
  outline-offset: 4px;
}
.gallery-caption {
  position: absolute;
  z-index: 5;
  bottom: 32px;
  left: 18%;
  right: 18%;
  text-align: center;
  pointer-events: none;
  font-size: 13px;
  line-height: 1.7;
  color: #4a4b44;
  text-shadow:
    0 1px 6px #fff,
    0 0 12px #fff;
}
.gallery-return {
  display: none;
  position: absolute;
  z-index: 6;
  top: 34px;
  right: 32px;
  padding: 10px 14px;
  border: 1px solid #d6d6d1;
  background: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  color: #4a4b44;
  cursor: pointer;
}
.gallery-return:disabled {
  opacity: 0.5;
  cursor: progress;
}
.scene-region:not([data-section="works"]) .gallery-caption,
.scene-region:not([data-section="works"]) .gallery-return {
  display: none;
}
.exhibit-record[data-kind="teacher"] .record-hero {
  object-fit: contain;
  object-position: center;
  height: min(48vh, 420px);
  background: #efefec;
}
.exhibit-record[data-kind="work"] .record-hero,
.exhibit-record[data-kind="about"] .record-hero {
  object-fit: contain;
  object-position: center;
  background: #efefec;
}
.exhibit-index .record-card img {
  object-fit: contain;
  background: #efefec;
}
@media (max-width: 700px) {
  .registration-panel {
    top: 10px;
    right: 10px;
    bottom: 10px;
    left: 10px;
    padding: 22px 14px 20px;
    border-radius: 10px;
  }
  .registration-faq {
    grid-template-columns: 1fr;
    gap: 7px;
    height: auto;
  }
  .registration-faq-column {
    gap: 7px;
    height: auto;
    overflow: visible;
  }
  .registration-faq-question {
    font-size: 13px;
  }
  .registration-faq-answer {
    padding-left: 62px;
    padding-right: 18px;
  }
  .registration-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .registration-step:not(:last-child)::after {
    display: none;
  }
  .registration-step strong {
    font-size: 12px;
  }
  .about-social {
    top: 18px;
    right: 16px;
    width: auto;
  }
  .about-social h2 {
    opacity: 1;
    left: auto;
    right: 0;
    width: auto;
    margin-bottom: 10px;
    font-size: 13px;
    text-align: right;
  }
  .about-social-list {
    left: auto;
    right: 0;
    width: auto;
    flex-direction: row;
    justify-content: flex-end;
    gap: 8px;
  }
  .about-social-link {
    width: 32px;
    height: 32px;
    padding: 7px;
  }
  .about-wechat-qr {
    right: 0;
    left: auto;
    transform: translate(0, -7px);
  }
  .about-wechat-qr::before {
    left: auto;
    right: 10px;
    transform: rotate(45deg);
  }
  .about-social-item:hover .about-wechat-qr,
  .about-social-item:focus-within .about-wechat-qr,
  .about-social-item.is-open .about-wechat-qr {
    transform: translate(0, 0);
  }
  .topbar {
    flex-wrap: wrap;
    gap: 14px;
  }
  .main-nav {
    flex: 0 0 100%;
    gap: 8px;
  }
  .main-nav .nav-button {
    font-size: 12px;
    padding: 7px 0 10px;
  }
  .exhibit-heading {
    top: 20px;
    left: 20px;
    right: 20px;
  }
  .exhibit-heading h2 {
    font-size: 20px;
    margin: 7px 0;
  }
  .exhibit-heading p {
    font-size: 10px;
  }
  .scene-region[data-section="teachers"] .exhibit-heading {
    display: none;
  }
  .gallery-return {
    top: 20px;
    right: 20px;
    font-size: 11px;
    padding: 8px 10px;
  }
  .gallery-caption {
    left: 20px;
    right: 20px;
    bottom: 54px;
    font-size: 12px;
  }
  .exhibit-record[data-kind="teacher"] .record-hero {
    height: 270px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}