/* Chinese homepage: Academy's slow horizontal showcase. */
html[lang="zh-CN"] section.section:not(.academy-section) { padding-block: clamp(60px, 6.5vw, 88px); }
html[lang="zh-CN"] #brand.section { padding-bottom: clamp(24px, 3vw, 40px); }
.academy-section { padding-block: clamp(32px, 4vw, 52px); }
.academy-head { margin-bottom: clamp(22px, 3vw, 38px); }
.academy-head > p { margin-bottom: 0; }
.academy-showcase { --academy-progress: 0; --academy-panel-min-height: clamp(440px, 38vw, 480px); position: relative; }
.academy-showcase-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 14px 4px;
}
.academy-showcase-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 4px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--color-muted);
  font-size: var(--fs-small);
  transition: color 240ms ease, opacity 240ms ease;
}
.academy-showcase-tab:hover { color: var(--color-text); }
.academy-showcase-tab.is-active { color: var(--color-text); }
.academy-showcase-no {
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: .08em;
  opacity: .76;
}
.academy-showcase-divider { width: 28px; height: 1px; background: rgba(167, 155, 255, .3); }
.academy-showcase-hint {
  margin-left: auto;
  padding-right: 5px;
  color: rgba(210, 203, 234, .56);
  font-size: var(--fs-tiny);
  letter-spacing: .08em;
}
.academy-showcase-hint::after { content: "　↔"; color: var(--color-gold); }
.academy-stage {
  position: relative;
  overflow: hidden;
  min-height: var(--academy-panel-min-height);
  border-radius: 28px;
  outline: none;
  isolation: isolate;
  touch-action: pan-y;
}
.academy-stage:focus-visible { outline: 2px solid rgba(167, 155, 255, .8); outline-offset: 4px; }
.academy-track {
  display: flex;
  align-items: stretch;
  width: 300%;
  min-height: var(--academy-panel-min-height);
  transform: translate3d(calc(var(--academy-progress, 0) * -33.333333%), 0, 0);
  will-change: transform;
}
.academy-module {
  position: relative;
  flex: 0 0 33.333333%;
  width: 33.333333%;
  min-width: 0;
  align-self: stretch;
  min-height: var(--academy-panel-min-height);
  opacity: var(--academy-slide-opacity, 1);
  transition: opacity 260ms ease, filter 260ms ease;
  will-change: opacity;
}
.academy-module.is-inactive { pointer-events: none; }
.academy-overview {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(24px, 4vw, 54px);
  min-height: var(--academy-panel-min-height);
  padding: clamp(28px, 5vw, 60px);
  overflow: hidden;
  border: 1px solid rgba(167, 155, 255, .23);
  border-radius: 28px;
  background:
    radial-gradient(ellipse at 85% 18%, rgba(133, 112, 255, .16), transparent 38%),
    radial-gradient(ellipse at 8% 100%, rgba(217, 180, 92, .08), transparent 42%),
    linear-gradient(145deg, rgba(19, 17, 31, .98), rgba(11, 10, 19, .98));
  box-shadow: var(--shadow-2);
}
.academy-overview-copy { position: relative; z-index: 1; min-width: 0; }
.academy-overview-copy h1, .academy-overview-copy h2 {
  margin: 14px 0 11px;
  color: var(--color-text);
  font-size: clamp(2.1rem, 4.5vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: -.045em;
}
.academy-overview-copy > p { min-height: 1.6em; margin: 0; color: var(--color-muted); font-size: clamp(1rem, 1.5vw, 1.2rem); }
.academy-overview-choices { display: grid; gap: 10px; max-width: 360px; margin-top: clamp(25px, 3vw, 38px); }
.academy-overview-choices button {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 15px;
  border: 1px solid rgba(167, 155, 255, .2);
  border-radius: 13px;
  background: rgba(255, 255, 255, .035);
  color: var(--color-text);
  text-align: left;
  transition: background 220ms ease, border-color 220ms ease;
}
.academy-overview-choices button:hover { border-color: rgba(217, 180, 92, .5); background: rgba(167, 155, 255, .09); }
.academy-overview-choices button:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; }
.academy-choice-no { color: var(--color-gold); font-family: var(--font-mono); font-size: var(--fs-tiny); opacity: .8; }
.academy-overview-choices button > span:last-child { color: var(--color-gold); }
.academy-overview-art { min-width: 0; }
.academy-overview-shot {
  position: relative;
  margin: 0;
  padding: 7px;
  overflow: hidden;
  border: 1px solid rgba(208, 196, 255, .28);
  border-radius: 20px;
  background: rgba(8, 8, 16, .88);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .42), 0 0 36px rgba(133, 112, 255, .12);
}
.academy-overview-shot img { display: block; width: 100%; height: auto; aspect-ratio: 1.98; border-radius: 14px; object-fit: contain; }
.academy-overview-shot figcaption {
  position: absolute;
  right: 15px;
  bottom: 14px;
  padding: 5px 9px;
  border: 1px solid rgba(230, 222, 255, .2);
  border-radius: 999px;
  background: rgba(12, 10, 22, .78);
  color: rgba(244, 240, 255, .78);
  font-size: var(--fs-tiny);
  backdrop-filter: blur(8px);
}
.academy-darkbid {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(217, 180, 92, .22);
  border-radius: 28px;
  background:
    radial-gradient(ellipse at 14% 0%, rgba(143, 126, 238, .1), transparent 42%),
    linear-gradient(145deg, rgba(19, 17, 31, .98), rgba(11, 10, 19, .98));
  box-shadow: var(--shadow-2);
}
.academy-darkbid-layout {
  display: grid;
  grid-template-columns: minmax(270px, .78fr) minmax(0, 1.22fr);
  align-items: stretch;
  min-height: var(--academy-panel-min-height);
  gap: clamp(28px, 5vw, 68px);
  padding: clamp(30px, 4.8vw, 58px);
}
.academy-darkbid-copy { display: flex; flex-direction: column; align-self: center; align-items: flex-start; min-width: 0; }
.academy-module-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-gold);
  font-size: var(--fs-tiny);
  letter-spacing: .16em;
}
.academy-module-kicker::before { width: 6px; height: 6px; transform: rotate(45deg); content: ""; background: currentColor; }
.academy-darkbid-copy h3,
.academy-training .training-game-copy h3 {
  margin: 14px 0 11px;
  color: var(--color-text);
  font-size: clamp(2.1rem, 4.5vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: -.045em;
}
.academy-darkbid-copy h3 { display: -webkit-box; min-height: 1.12em; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.academy-module-lead { display: -webkit-box; min-height: 2.8em; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; margin: 0; color: var(--color-muted); font-size: clamp(1rem, 1.45vw, 1.18rem); }
.academy-darkbid-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 24px; min-width: 0; }
.academy-darkbid-actions .mm-badge { color: var(--color-muted); font-size: var(--fs-tiny); }
.academy-darkbid-actions .btn { min-height: 46px; white-space: nowrap; }
.academy-darkbid-visual {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: calc(var(--academy-panel-min-height) - 2px);
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(208, 196, 255, .17);
  border-radius: 22px;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(143, 126, 238, .18), transparent 55%),
    linear-gradient(155deg, rgba(20, 17, 33, .44), rgba(9, 8, 17, .26));
}
.academy-darkbid-visual::before,
.academy-darkbid-visual::after { position: absolute; width: min(310px, 70%); aspect-ratio: 1; border: 1px solid rgba(217, 180, 92, .14); border-radius: 50%; content: ""; pointer-events: none; }
.academy-darkbid-visual::after { width: min(225px, 54%); border-color: rgba(167, 155, 255, .16); }
.academy-darkbid-interaction { position: relative; z-index: 1; display: grid; width: 100%; height: 100%; place-items: center; }
.academy-darkbid .mm-stage { width: min(280px, 78%); min-height: 0; margin: 0; }
.academy-darkbid .mm-tilt { max-width: 250px; }
.academy-darkbid .mm-card { width: 100%; }
.academy-darkbid .darkbid-pocket { width: 100%; margin: 22px 0 0; border-radius: 15px; background: rgba(255, 255, 255, .025); }
.academy-darkbid .info-pocket-summary { min-height: 58px; gap: 10px; padding: 11px 15px; font-size: var(--fs-small); }
.academy-darkbid .darkbid-pocket .mm-list { margin: 12px 16px 0; }
.academy-darkbid .darkbid-pocket .mm-rules { margin: 14px 16px 0; padding-top: 14px; }
.academy-darkbid .darkbid-pocket .academy-pocket-body { padding-bottom: 14px; }
.academy-training { overflow: hidden; border: 1px solid rgba(167, 155, 255, .22); border-radius: 28px; box-shadow: var(--shadow-2); }
.academy-training .training-game-panel { grid-template-columns: minmax(270px, .78fr) minmax(0, 1.22fr); min-height: var(--academy-panel-min-height); height: auto; border: 0; border-radius: 0; box-shadow: none; }
.academy-training .training-game-copy { align-self: center; padding: clamp(30px, 4.8vw, 58px); }
.academy-training .training-game-copy h3 { margin-top: 13px; }
.academy-training .training-game-art { min-height: calc(var(--academy-panel-min-height) - 2px); align-items: flex-end; }
.academy-training .training-game-art .training-game-speech { position: absolute; z-index: 5; top: 14px; left: 50%; width: max-content; max-width: calc(100% - 28px); margin: 0; transform: translate(-50%, 4px); }
.academy-training .training-game-art .training-game-speech.is-speaking { transform: translate(-50%, 0); }
.academy-training .training-game-mascot img { height: min(calc(var(--academy-panel-min-height) - 24px), 39vw); }
.academy-training .training-game-slogan { display: -webkit-box; min-height: 1.6em; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.academy-training .training-game-mode-note { min-height: 3.3em; }
.academy-training .training-game-mode-picker { margin-top: 21px; }
.academy-training .training-game-facts { display: flex; flex-wrap: wrap; gap: 8px 16px; width: 100%; margin-top: 13px; color: rgba(210, 203, 234, .76); font-size: var(--fs-tiny); }
.academy-training .training-game-facts span + span::before { content: "·"; margin-right: 14px; color: var(--color-gold); }
.academy-training .training-game-data-tag { margin: 12px 0 0; color: var(--color-gold); }
.academy-training .training-game-cta { margin-top: 22px; }
.academy-showcase-live { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (hover: hover) and (pointer: fine) and (min-width: 821px) {
  .academy-showcase-tab:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }
}
@media (max-width: 900px) {
  html[lang="zh-CN"] section.section:not(.academy-section) { padding-block: clamp(44px, 6vw, 64px); }
  .academy-overview { grid-template-columns: minmax(230px, .75fr) minmax(0, 1.25fr); gap: 24px; padding: 25px; }
  .academy-darkbid-layout { grid-template-columns: minmax(250px, .82fr) minmax(0, 1.18fr); gap: 24px; padding: 25px; }
  .academy-darkbid .mm-stage { width: min(260px, 82%); }
  .academy-darkbid-actions { gap: 9px; }
  .academy-training .training-game-panel { grid-template-columns: minmax(250px, .82fr) minmax(0, 1.18fr); }
}
@media (max-width: 820px) {
  .academy-showcase { --academy-panel-min-height: clamp(460px, 56vw, 500px); }
  .academy-section { padding-block: 30px; }
  .academy-showcase-controls { flex-wrap: nowrap; gap: 7px; margin: 0 0 12px; overflow-x: auto; scrollbar-width: none; }
  .academy-showcase-controls::-webkit-scrollbar { display: none; }
  .academy-showcase-tab { flex: 0 0 auto; white-space: nowrap; }
  .academy-showcase-divider { display: none; }
  .academy-showcase-hint { display: none; }
  .academy-stage {
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: 20px;
    touch-action: pan-x pan-y;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .academy-stage::-webkit-scrollbar { display: none; }
  .academy-track { display: flex; width: 300%; transform: none !important; }
  .academy-module {
    flex: 0 0 33.333333%;
    width: 33.333333%;
    margin-bottom: 0;
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    pointer-events: auto;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }
  .academy-overview { grid-template-columns: 1fr; gap: 24px; min-height: var(--academy-panel-min-height); padding: 28px; }
  .academy-overview-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: none; }
  .academy-overview-shot { max-width: 760px; }
  .academy-darkbid-layout { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .academy-darkbid-copy { align-self: stretch; }
  .academy-darkbid-actions { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .academy-darkbid-visual { min-height: 280px; }
  .academy-darkbid .mm-stage { width: min(205px, 62%); }
  .academy-training .training-game-panel { grid-template-columns: 1fr; }
  .academy-training .training-game-copy { padding: 26px; }
  .academy-training .training-game-art { min-height: calc(clamp(300px, 42vw, 360px) + 72px); }
  .academy-training .training-game-mascot img { height: min(350px, 46vw); }
}
@media (max-width: 640px) {
  .academy-showcase { --academy-panel-min-height: clamp(560px, 152vw, 640px); }
  .academy-section { padding-block: 24px; }
  .academy-showcase-controls { position: relative; gap: 5px; }
  .academy-showcase-tab { min-height: 36px; gap: 6px; padding-inline: 5px; font-size: var(--fs-tiny); }
  .academy-stage { border-radius: 16px; }
  .academy-overview { grid-template-rows: minmax(0, 1fr) minmax(0, 1fr); align-content: stretch; gap: 20px; padding: 20px 16px 16px; border-radius: 21px; }
  .academy-overview-copy, .academy-overview-art { align-self: center; }
  .academy-overview-copy h1, .academy-overview-copy h2 { font-size: clamp(2rem, 9vw, 2.5rem); }
  .academy-overview-choices { grid-template-columns: 1fr; gap: 8px; margin-top: 22px; }
  .academy-overview-choices button { min-height: 48px; }
  .academy-overview-shot { padding: 5px; border-radius: 15px; }
  .academy-overview-shot img { border-radius: 10px; }
  .academy-overview-shot figcaption { right: 10px; bottom: 10px; }
  .academy-darkbid { border-radius: 21px; }
  .academy-darkbid-layout { grid-template-columns: 1fr; gap: 15px; padding: 18px 16px; }
  .academy-darkbid-copy h3 { font-size: clamp(1.55rem, 7vw, 1.8rem); }
  .academy-training .training-game-copy h3 { font-size: clamp(1.75rem, 7.2vw, 2rem); }
  .academy-module-lead { min-height: 1.8em; }
  .academy-darkbid-actions { gap: 8px; margin-top: 12px; }
  .academy-darkbid-actions .mm-badge { flex-basis: 100%; }
  .academy-darkbid-visual { min-height: 252px; border-radius: 17px; }
  .academy-darkbid .mm-stage { width: min(168px, 52%); }
  .academy-darkbid .mm-tilt, .academy-darkbid .mm-card { width: 100%; max-width: 168px; }
  .academy-darkbid-actions .btn { min-height: 42px; padding-inline: 12px; font-size: var(--fs-tiny); white-space: normal; }
  .academy-darkbid .darkbid-pocket { margin-top: 12px; border-radius: 14px; }
  .academy-darkbid .info-pocket-summary { min-height: 48px; padding-inline: 12px; }
  .academy-training { border-radius: 21px; }
  .academy-training .training-game-panel { grid-template-columns: 1fr; border-radius: 0; }
  .academy-training .training-game-copy { padding: 18px 18px 2px; }
  .academy-training .training-game-mode-picker { margin-top: 10px; }
  .academy-training .training-game-mode-note { min-height: 2.6em; }
  .academy-training .training-game-facts { margin-top: 8px; }
  .academy-training .training-game-art { min-height: calc(clamp(205px, 58vw, 230px) + 48px); margin-top: 4px; }
  .academy-training .training-game-mascot img { height: min(230px, 58vw); }
  .academy-training .training-game-facts { gap: 6px 10px; }
  .academy-training .training-game-facts span + span::before { margin-right: 8px; }
  .academy-training .training-game-cta { margin-top: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .academy-track { will-change: auto; }
  .academy-module, .academy-showcase-tab { transition: none !important; }
  .academy-training .training-game-art .training-game-speech { transition: none; }
}

/* 2026-10-17: academy projects are direct, independent destinations.
   Keep the homepage as a readable vertical document on every device. */
.academy-showcase-controls { display: none; }
.academy-stage { overflow: visible; overflow-x: visible; overflow-y: visible; scroll-snap-type: none; min-height: 0; touch-action: auto; }
.academy-track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 18px;
  width: 100%;
  min-height: 0;
  transform: none;
  will-change: auto;
}
.academy-module {
  width: auto;
  min-height: 100%;
  margin: 0;
  opacity: 1;
  filter: none;
  transform: none;
  pointer-events: auto;
}
.academy-overview { grid-column: 1 / -1; min-height: 0; }
.academy-overview-choices a {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 15px;
  border: 1px solid rgba(167, 155, 255, .2);
  border-radius: 13px;
  background: rgba(255, 255, 255, .035);
  color: var(--color-text);
  text-decoration: none;
  transition: background 220ms ease, border-color 220ms ease;
}
.academy-overview-choices a:hover { border-color: rgba(217, 180, 92, .5); background: rgba(167, 155, 255, .09); }
.academy-overview-choices a:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; }
.academy-homepage-link { display: inline-flex; align-items: center; gap: 10px; width: fit-content; min-height: 44px; margin-top: 14px; text-decoration: none; }
.academy-homepage-link > span { color: var(--color-gold); }
@media (max-width: 640px) { .academy-homepage-link { width: 100%; justify-content: center; margin-top: 12px; } }
.academy-darkbid-layout { min-height: 0; }
.academy-darkbid-visual { min-height: 350px; }
.academy-training .training-game-panel { min-height: 0; }
.academy-training .training-game-art { min-height: max(330px, calc(var(--academy-panel-min-height) + 52px)); }
.academy-theater {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 24px;
  min-height: 0;
  padding: clamp(22px, 3vw, 34px);
  overflow: hidden;
  border: 1px solid rgba(217, 180, 92, .22);
  border-radius: 28px;
  background: radial-gradient(ellipse at 100% 0, rgba(217, 180, 92, .1), transparent 45%), linear-gradient(145deg, rgba(19, 17, 31, .98), rgba(11, 10, 19, .98));
  box-shadow: var(--shadow-2);
}
.academy-theater-copy { min-width: 0; }
.academy-theater h3 { margin: 14px 0 10px; color: var(--color-text); font-size: clamp(1.8rem, 3vw, 2.5rem); line-height: 1.12; }
.academy-theater-copy .btn { min-height: 44px; margin-top: 20px; }
.academy-theater-poster { position: relative; display: block; overflow: hidden; border: 1px solid rgba(208, 196, 255, .22); border-radius: 17px; background: #0b0913; }
.academy-theater-poster img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.academy-theater-poster > span { position: absolute; inset: 0; display: grid; place-items: center; color: white; font-size: 28px; text-shadow: 0 2px 16px #000; background: rgba(7, 6, 12, .12); transition: background 180ms ease; }
.academy-theater-poster:hover > span { background: rgba(7, 6, 12, .35); }
@media (max-width: 820px) {
  .academy-showcase { --academy-panel-min-height: 0; }
  .academy-track { grid-template-columns: 1fr; gap: 14px; }
  .academy-overview { grid-column: auto; grid-template-columns: 1fr; gap: 20px; }
  .academy-darkbid-layout { grid-template-columns: 1fr; }
  .academy-theater { grid-template-columns: 1fr; gap: 18px; border-radius: 21px; }
  .academy-theater-copy .btn { margin-top: 12px; }
}
@media (max-width: 640px) {
  .academy-track { gap: 12px; }
  .academy-theater { padding: 18px 16px; }
  .academy-theater h3 { font-size: clamp(1.75rem, 7vw, 2rem); }
}
@media (max-width: 820px) {
  .academy-training .training-game-art { min-height: calc(clamp(300px, 42vw, 360px) + 72px); }
}
@media (max-width: 640px) {
  .academy-training .training-game-art { min-height: calc(clamp(205px, 58vw, 230px) + 68px); }
}
@media (prefers-reduced-motion: reduce) {
  .academy-overview-choices a, .academy-theater-poster > span { transition: none; }
}