:root {
  --bg: #010828;
  --cream: #eff4ff;
  --neon: #6fff00;
  --purple-a: #b724ff;
  --purple-b: #7c3aed;
  --glass-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  --content-width: min(calc(100% - 2rem), 1831px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Fira Code", Consolas, monospace;
  overflow-x: hidden;
}

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

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

svg {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.font-grotesk {
  font-family: Impact, "Arial Narrow", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
}

.font-condiment {
  font-family: Georgia, "KaiTi", "STKaiti", serif;
  font-weight: 400;
}

.font-mono {
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page {
  position: relative;
  z-index: 1;
}

.container {
  width: var(--content-width);
  margin: 0 auto;
}


.liquid-glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(4px);
  border: none;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.liquid-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.15) 20%,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0) 60%,
    rgba(255, 255, 255, 0.15) 80%,
    rgba(255, 255, 255, 0.45) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-stage,
.about-stage {
  position: relative;
  min-height: 100vh;
}

.hero-stage {
  border-radius: 0 0 32px 32px;
}

.hero-stage__video,
.about-stage__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: saturate(1.06) contrast(1.03) brightness(1.06);
}

.signal-stage__video {
  position: relative;
  z-index: 0;
}

.hero-stage__shade,
.about-stage__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.ambient-video__toggle {
  position: absolute;
  z-index: 8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.7rem;
  max-width: calc(100% - 2rem);
  padding: 0.65rem 1rem;
  border: 1px solid rgba(120, 248, 144, 0.62);
  border-radius: 999px;
  background: rgba(1, 8, 40, 0.72);
  color: #e9fff0;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.ambient-video__toggle:hover,
.ambient-video__toggle:focus-visible {
  background: rgba(25, 66, 42, 0.9);
  border-color: #78f890;
  transform: translateY(-1px);
}

.ambient-video__toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: #78f890;
  stroke: #062b0d;
  stroke-width: 2;
}

.ambient-video__toggle[hidden] {
  display: none !important;
}

.ambient-video__toggle--hero,
.ambient-video__toggle--about {
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
}

.ambient-video__toggle--hero:hover,
.ambient-video__toggle--hero:focus-visible,
.ambient-video__toggle--about:hover,
.ambient-video__toggle--about:focus-visible {
  transform: translate(-50%, -1px);
}

.ambient-video__toggle--signal {
  left: 1rem;
  bottom: 1rem;
}

.hero-stage__shade {
  background:
    linear-gradient(180deg, rgba(1, 8, 40, 0.24) 0%, rgba(1, 8, 40, 0.18) 42%, rgba(1, 8, 40, 0.56) 100%),
    radial-gradient(circle at 14% 22%, rgba(111, 255, 0, 0.08), transparent 26%),
    linear-gradient(90deg, rgba(1, 8, 40, 0.42) 0%, rgba(1, 8, 40, 0.06) 52%, rgba(1, 8, 40, 0.34) 100%);
}
.hero-stage__image { filter: saturate(1.08) contrast(1.04) brightness(1.04); }

.about-stage__shade {
  background:
    linear-gradient(180deg, rgba(1, 8, 40, 0.24) 0%, rgba(1, 8, 40, 0.12) 42%, rgba(1, 8, 40, 0.48) 100%),
    linear-gradient(90deg, rgba(1, 8, 40, 0.42) 0%, rgba(1, 8, 40, 0.02) 48%, rgba(1, 8, 40, 0.38) 100%);
}

.hero-stage__container,
.about-stage__container {
  position: relative;
  min-height: inherit;
  padding-block: 1.3rem clamp(3rem, 6vw, 5rem);
}

.hero-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding: 0.6rem 1.5rem;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: linear-gradient(180deg, rgba(2, 8, 24, 0.7) 0%, rgba(2, 8, 24, 0.45) 100%);
  pointer-events: auto;
  box-sizing: border-box;
  max-width: 100vw;
}
.hero-header > * {
  pointer-events: auto;
}
.page {
  padding-top: 4rem;
}
@media (max-width: 720px) {
  .hero-header {
    padding: 0.5rem 0.5rem;
  }
  .hero-logo {
    flex: 0 0 auto;
  }
  .hero-logo__image {
    height: 2.4rem !important;
    width: auto !important;
  }
}

.hero-logo {
  position: relative;
  z-index: 1;
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.hero-menu-toggle {
  display: none;
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  color: var(--cream);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.hero-menu-toggle:hover,
.hero-menu-toggle:focus-visible {
  background: rgba(111, 255, 0, 0.12);
  border-color: rgba(111, 255, 0, 0.45);
  color: var(--neon);
  transform: translateY(-1px);
}

.hero-menu-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.hero-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.5rem, 1.5vw, 2rem);
  padding: 0.85rem 1.5rem;
  border-radius: 28px;
  box-sizing: border-box;
  flex: 0 1 auto;
  min-width: 0;
  max-width: calc(100vw - 10rem);
  flex-wrap: wrap;
  row-gap: 0.45rem;
}
@media (max-width: 720px) {
  .hero-nav {
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
  }
  .nav-link {
    font-size: 0.7rem;
  }
}

.nav-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  flex: 0 0 auto;
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--neon);
}

.nav-link--external {
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  color: #dffbff;
  background: linear-gradient(135deg, rgba(43, 205, 255, 0.16), rgba(39, 143, 255, 0.34));
  border: 1px solid rgba(87, 224, 255, 0.45);
  box-shadow: 0 10px 24px rgba(39, 143, 255, 0.16);
}

.nav-link--external:hover,
.nav-link--external.is-active {
  color: #f8feff;
  background: linear-gradient(135deg, rgba(43, 205, 255, 0.24), rgba(39, 143, 255, 0.46));
  border-color: rgba(115, 236, 255, 0.78);
}

.hero-body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding-top: clamp(5rem, 10vw, 10rem);
}

.hero-copy {
  position: relative;
  max-width: 48.75rem;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.625rem);
  line-height: 1.05;
  letter-spacing: 0;
  min-height: 2.15em;
  text-shadow: 0 0 28px rgba(92, 225, 255, 0.18);
}

.hero-title--typing .hero-title__row {
  filter: drop-shadow(0 0 14px rgba(92, 225, 255, 0.12));
}

.hero-title__char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  transition: opacity 360ms ease, transform 420ms ease;
}
.hero-title__row {
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  gap: 0.04em;
  white-space: nowrap;
}
.hero-title__space { display: inline-block; width: 0.6em; }
.hero-title__mark {
  color: #78f890;
  text-shadow: 0 0 18px rgba(120, 248, 144, 0.46);
}
html.is-loaded .hero-title__char { /* JS toggles -- fallback friendly */ }


.hero-title__ai {
  font-size: 0.72em;
  font-style: italic;
  letter-spacing: 0.08em;
  background: linear-gradient(120deg, #5ce1ff 0%, #6ed2ff 35%, #ffffff 75%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  text-shadow: 0 0 24px rgba(110, 210, 255, 0.35);
}

.hero-title__cursor {
  display: inline-block;
  width: 0.13em;
  height: 0.92em;
  margin-left: 0.1em;
  transform: translateY(0.08em);
  border-radius: 999px;
  background: linear-gradient(180deg, #78f890, #5ce1ff);
  box-shadow: 0 0 18px rgba(120, 248, 144, 0.8), 0 0 38px rgba(92, 225, 255, 0.48);
  animation: hero-blink 0.72s steps(2, start) infinite;
}

.hero-typewriter {
  margin-top: 0.35rem;
  min-height: 1.6em;
  display: inline-flex;
  align-items: center;
  color: #cfeaff;
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  letter-spacing: 0.05em;
  max-width: 36ch;
}
.hero-typewriter__text {
  white-space: nowrap;
  overflow: hidden;
}
.hero-typewriter__cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1.05em;
  margin-left: 2px;
  background: linear-gradient(180deg, #5ce1ff, #6ed2ff);
  box-shadow: 0 0 6px rgba(110, 210, 255, 0.6);
  animation: hero-blink 0.9s steps(2, start) infinite;
}
@keyframes hero-blink {
  to { visibility: hidden; }
}

.hero-accent {
  display: inline-block;
  margin: 0.6rem 0 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--neon);
  transform: rotate(-1deg);
  white-space: nowrap;
}

.hero-social {
  display: flex;
  gap: 0.875rem;
}

.hero-social--desktop {
  display: none;
  flex-direction: column;
  align-items: flex-end;
}

.hero-social--mobile {
  justify-content: center;
  padding-top: 2.5rem;
}

.social-square {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  color: var(--cream);
  transition: background-color 180ms ease, transform 180ms ease;
}

.social-square:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.about-top {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  justify-content: space-between;
  padding-top: clamp(4rem, 8vw, 6rem);
}

.about-title-wrap {
  position: relative;
  display: inline-block;
}

.about-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
}

.about-accent {
  display: inline-block;
  margin: 0.4rem 0 0;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  color: var(--neon);
  transform: rotate(-1deg);
}

.about-intro {
  max-width: 16.625rem;
  margin: 0;
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  line-height: 1.85;
  color: var(--cream);
}

.about-bottom {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-top: clamp(7rem, 12vw, 12rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.about-fade {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 18rem;
  color: rgba(239, 244, 255, 0.46);
  font-size: 0.95rem;
  line-height: 1.8;
  text-shadow: 0 2px 12px rgba(1, 8, 40, 0.42);
}

.about-fade p {
  margin: 0;
}

.collection-stage {
  padding: clamp(4rem, 8vw, 6rem) 0 clamp(5rem, 8vw, 7rem);
  background: var(--bg);
}

.collection-header {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.collection-title,
.collection-objects {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
}

.collection-title-line {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-left: clamp(3rem, 8vw, 8rem);
}

.collection-accent {
  font-size: clamp(2.25rem, 6vw, 4rem);
  color: var(--neon);
  mix-blend-mode: exclusion;
}

.see-all {
  align-self: flex-start;
  display: inline-flex;
  flex-direction: column;
  gap: 0.75rem;
}

.see-all__full-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.see-all__text {
  display: flex;
  align-items: flex-end;
  gap: 0.85rem;
}

.see-all__see {
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 0.92;
}

.see-all__stack {
  display: flex;
  flex-direction: column;
  font-size: clamp(1.25rem, 3vw, 2.25rem);
  line-height: 0.9;
}

.see-all__bar {
  width: 100%;
  height: clamp(0.375rem, 1vw, 0.625rem);
  border-radius: 999px;
  background: var(--neon);
}

.nft-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.nft-card {
  padding: 1.125rem;
  border-radius: 2rem;
  transition: background-color 180ms ease;
}

.nft-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nft-card__video-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  aspect-ratio: 1;
}

.nft-card__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nft-card__overlay {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 1.25rem;
}

.nft-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.nft-card__label {
  font-size: 0.6875rem;
  color: rgba(239, 244, 255, 0.7);
  letter-spacing: 0.1em;
}

.nft-card__score {
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.nft-card__arrow {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--purple-a), var(--purple-b));
  box-shadow: 0 18px 30px rgba(124, 58, 237, 0.5);
  cursor: pointer;
  transition: transform 180ms ease;
}

.nft-card__arrow:hover {
  transform: scale(1.1);
}

.signal-stage {
  padding-bottom: 3rem;
}

.signal-stage__media {
  position: relative;
  overflow: hidden;
}

.signal-stage__video {
  display: block;
  width: 100%;
  height: auto;
}

.signal-copy {
  position: absolute;
  top: 12%;
  right: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0 1.5rem;
}

.signal-title {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: min(46rem, 100%);
  margin: 0;
  padding-left: clamp(2rem, 8vw, 15%);
  padding-right: clamp(1rem, 10vw, 20%);
  font-size: clamp(1rem, 4vw, 3.75rem);
  line-height: 1;
  gap: 0.15em;
  word-break: normal;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.signal-title__lead {
  margin-bottom: clamp(1rem, 4vw, 3rem);
}

.signal-accent {
  display: inline-block;
  margin: 0 0 0.7rem;
  font-size: clamp(1.1rem, 1.45vw, 1.7rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  opacity: 0.95;
  text-shadow: 0 0 16px rgba(111, 255, 0, 0.42), 0 0 30px rgba(92, 225, 255, 0.18);
}

.social-rail {
  position: absolute;
  left: 8%;
  bottom: 12%;
  display: flex;
  flex-direction: column;
  border-radius: clamp(0.5rem, 2vw, 1.25rem);
}

.social-rail__row {
  position: relative;
}

.social-rail__button {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(16.77rem, 68vw);
  min-width: 10rem;
  height: clamp(3.25rem, 9vw, 4.5rem);
  padding: 0 1rem 0 1.1rem;
}

.social-rail__label {
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  letter-spacing: 0.07em;
}

.social-rail__icon {
  display: grid;
  place-items: center;
}

.social-rail__divider {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) {
  :root {
    --content-width: min(calc(100% - 3rem), 1831px);
  }

  .hero-title {
    font-size: clamp(3.75rem, 8vw, 5.625rem);
    line-height: 1;
  }

  .nft-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collection-header {
    flex-direction: row;
    align-items: flex-end;
  }
}

@media (min-width: 768px) {
  :root {
    --content-width: min(calc(100% - 4rem), 1831px);
  }

  .hero-logo {
    font-size: 1rem;
  }

  .about-top {
    flex-direction: row;
    align-items: flex-start;
  }

  .about-intro {
    padding-top: 0.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-nav {
    display: inline-flex;
  }

  .hero-body {
    padding-top: clamp(7rem, 12vw, 11rem);
  }

  .hero-copy {
    margin-left: 8rem;
  }

  .hero-social--desktop {
    display: flex;
  }

  .hero-social--mobile {
    display: none;
  }

  .about-fade--right {
    display: flex;
  }

  .nft-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .signal-copy {
    top: 16%;
  }

  .social-rail {
    bottom: 20%;
  }
}

@media (max-width: 1023.98px) {
  .hero-menu-toggle {
    display: inline-flex;
  }

  .hero-nav {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0.5rem;
    right: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    padding: 0.95rem;
    border-radius: 1.2rem;
    background: rgba(2, 8, 24, 0.82);
    opacity: 0;
    transform: translateY(-0.75rem);
    pointer-events: none;
    visibility: hidden;
    max-height: calc(100vh - 5rem);
    max-width: none;
    overflow: auto;
    box-shadow: 0 24px 42px rgba(0, 0, 0, 0.32);
  }

  .hero-header.is-menu-open .hero-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .hero-nav .nav-link {
    padding: 0.5rem 0.85rem;
  }

  .about-fade--right {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .about-fade {
    color: rgba(239, 244, 255, 0.78);
  }

  .ambient-video__toggle {
    display: none !important;
  }

  .signal-copy {
    position: static;
    padding: 1.5rem 0 0;
    justify-content: flex-start;
  }

  .signal-title {
    padding: 0 1rem 0 0;
    width: 100%;
  }

  .signal-accent {
    top: -0.95em;
    left: 0;
  }

  .social-rail {
    position: static;
    width: fit-content;
    margin: 1.5rem 0 0 1rem;
  }
}


/* === 乐启享新增组件 === */
body {
  font-family: "Noto Sans SC", "Anton", Impact, sans-serif;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--cream);
  letter-spacing: 0.04em;
}

.hero-tagline {
  max-width: 32rem;
  margin: 1.2rem 0 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: rgba(239, 244, 255, 0.78);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-cta {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  transition: transform 180ms ease, background-color 180ms ease;
}

.hero-cta--primary {
  background: var(--neon);
  color: #010828;
  box-shadow: 0 18px 40px rgba(111, 255, 0, 0.18);
}

.hero-cta--primary:hover {
  transform: translateY(-2px);
}

.hero-cta--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--cream);
}

.hero-cta--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.hero-cta--competition {
  border: 1px solid rgba(255, 196, 87, 0.6);
  background: linear-gradient(120deg, rgba(255, 168, 38, 0.18), rgba(255, 196, 87, 0.32));
  color: #fff8e6;
  box-shadow: 0 14px 28px rgba(255, 168, 38, 0.18);
  letter-spacing: 0.03em;
}

.hero-cta--competition:hover {
  transform: translateY(-2px);
  background: linear-gradient(120deg, rgba(255, 168, 38, 0.28), rgba(255, 196, 87, 0.48));
}
.hero-cta--signal {
  background: linear-gradient(135deg, var(--sg-accent, #FFB347), #FF8C42);
  color: #2b1500;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 18px 38px rgba(255, 179, 71, 0.45), 0 0 0 1px rgba(255, 179, 71, 0.4);
  animation: cta-signal-glow 2.8s ease-in-out infinite;
}
.hero-cta--signal:hover {
  transform: translateY(-2px);
  box-shadow: 0 26px 50px rgba(255, 179, 71, 0.6), 0 0 0 2px rgba(255, 179, 71, 0.7);
}
@keyframes cta-signal-glow {
  0%, 100% { box-shadow: 0 18px 38px rgba(255, 179, 71, 0.45), 0 0 0 1px rgba(255, 179, 71, 0.4); }
  50%      { box-shadow: 0 22px 46px rgba(255, 179, 71, 0.7),  0 0 0 2px rgba(255, 179, 71, 0.65); }
}

.hero-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  letter-spacing: 0.16em;
}

.hero-logo__mark {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 0.4rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.6), transparent 55%),
    linear-gradient(135deg, var(--neon), var(--purple-b));
  box-shadow: 0 0 14px rgba(111, 255, 0, 0.45);
}

body.hero-nav-open {
  overflow: hidden;
}

.signal-square {
  min-width: 4rem;
  min-height: 4rem;
  padding: 0.8rem;
  border-radius: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3rem;
}

.signal-square__label {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-align: center;
  max-width: 7rem;
  line-height: 1.1;
}

.hero-metric-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3rem;
  padding: 1.2rem 1.4rem;
  list-style: none;
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-metric-row li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-metric__num {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--neon);
}

.hero-metric__label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.65);
}

.teacher-strip {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 1rem;
  margin-top: 3rem;
}

.teacher-strip__viewport {
  flex: 1 1 auto;
  overflow: hidden;
  border-radius: 1.4rem;
  padding: 0.4rem 0;
}

.teacher-strip__track {
  display: flex;
  gap: 1.4rem;
  transition: transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}

.teacher-strip__nav {
  flex: 0 0 auto;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  color: inherit;
  font-size: 1.4rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 220ms ease, transform 220ms ease;
  align-self: center;
}

.teacher-strip__nav:hover {
  background: rgba(120, 248, 144, 0.18);
  transform: translateY(-1px);
}

.teacher-strip__nav:focus-visible {
  outline: 2px solid rgba(120, 248, 144, 0.55);
  outline-offset: 2px;
}

.teacher-strip__count {
  flex: 0 0 auto;
  align-self: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.teacher-cell {
  position: relative;
  overflow: hidden;
  border-radius: 1.4rem;
  aspect-ratio: 16 / 9;
  display: block;
  flex: 0 0 auto;
  width: clamp(320px, 52vw, 680px);
  cursor: zoom-in;
  transition: transform 280ms ease;
}
.teacher-cell:hover { transform: translateY(-4px); }

.teacher-cell__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.teacher-cell:hover .teacher-cell__image {
  transform: scale(1.04);
}

.teacher-cell__overlay {
  position: absolute;
  inset: auto 0 0 auto;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: flex-end;
  background: none;
  pointer-events: none;
}

.teacher-cell__name {
  display: none;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.teacher-cell__role {
  display: none;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(239, 244, 255, 0.7);
}

.teacher-cell__link {
  position: absolute;
  inset: 0;
  display: block;
  text-decoration: none;
  color: inherit;
}

.teacher-cell__blurb {
  margin-top: 0.4rem;
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: rgba(239, 244, 255, 0.78);
  display: none;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.teacher-cell__cta {
  margin-top: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(111, 255, 0, 0.92);
  color: #010828;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  align-self: flex-start;
}

.teacher-cell__cta svg {
  width: 0.85rem;
  height: 0.85rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.teacher-cell__overlay {
  padding-bottom: 1rem;
}

.nft-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nft-card__blurb {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: rgba(239, 244, 255, 0.7);
  margin-top: 0.2rem;
}

.collection-sub {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(239, 244, 255, 0.7);
}

.collection-stage__container + .collection-stage__container {
  margin-top: 4rem;
}

/* 学员成长穹顶：滚动立体 */
.dome-wall {
  position: relative;
  width: 100%;
  height: 32rem;
  overflow: hidden;
  border-radius: 2rem;
  perspective: 1400px;
  transform-style: preserve-3d;
  background:
    radial-gradient(ellipse at 50% 110%, rgba(111, 255, 0, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(1, 8, 40, 0.55), rgba(1, 8, 40, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.dome-wall::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(111, 255, 0, 0.18) 0%, transparent 35%),
    radial-gradient(circle at 50% 50%, transparent 38%, rgba(255, 255, 255, 0.05) 39%, transparent 41%),
    radial-gradient(circle at 50% 50%, transparent 58%, rgba(255, 255, 255, 0.05) 59%, transparent 61%);
  pointer-events: none;
}

.dome-cell {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4.5rem;
  height: 4.5rem;
  margin: -2.25rem 0 0 -2.25rem;
  border-radius: 0.9rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.5);
  transform-style: preserve-3d;
  will-change: transform;
  opacity: 0;
  transition: opacity 0.6s ease;
  will-change: transform, opacity;
}

.dome-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.dome-wall__count {
  position: absolute;
  bottom: 1.2rem;
  right: 1.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.7);
  background: rgba(1, 8, 40, 0.6);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}


@keyframes dome-orbit {
  0% {
    transform:
      translate(-50%, -50%)
      rotateY(0deg)
      translateZ(var(--dome-radius, 30rem))
      rotateY(0deg)
      rotateX(calc(var(--dome-lat, 0deg)))
      rotateY(calc(var(--dome-lon, 0deg)));
  }
  100% {
    transform:
      translate(-50%, -50%)
      rotateY(360deg)
      translateZ(var(--dome-radius, 30rem))
      rotateY(-360deg)
      rotateX(calc(var(--dome-lat, 0deg)))
      rotateY(calc(var(--dome-lon, 0deg)));
  }
}

.honor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.honor-card {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 1rem;
  border-radius: 1.4rem;
  align-items: center;
}

.honor-card__image {
  width: 100%;
  height: 5rem;
  object-fit: cover;
  border-radius: 0.8rem;
}

.honor-card__title {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.honor-card__sub {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.75rem;
  color: var(--neon);
  letter-spacing: 0.1em;
}

.teacher-cell__home-links {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 220ms ease, transform 220ms ease;
}
.teacher-cell__home {
  position: static;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(120, 248, 144, 0.18);
  border: 1px solid rgba(120, 248, 144, 0.6);
  color: #78f890;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  pointer-events: auto;
}
.teacher-cell:hover .teacher-cell__home-links,
.teacher-cell:focus-within .teacher-cell__home-links {
  opacity: 1;
  transform: translateY(0);
}
.teacher-cell__home:hover {
  background: rgba(120, 248, 144, 0.35);
  color: #062b0d;
}
.teacher-cell__home svg {
  width: 0.9rem;
  height: 0.9rem;
}

.campus-row {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1rem;
}

.campus-card {
  position: relative;
  flex: 0 0 18rem;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 1.4rem;
  scroll-snap-align: start;
}

.campus-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.campus-card__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.9rem 1.1rem;
  background: linear-gradient(0deg, rgba(1, 8, 40, 0.85) 0%, rgba(1, 8, 40, 0.05) 100%);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.campus-card__title {
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.campus-card__sub {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(239, 244, 255, 0.7);
}

@media (min-width: 640px) {
  .hero-metric-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .honor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .teacher-strip { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .honor-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .signal-square__label { display: none; }
}

/* === Cinema Stage === */
.cinema-stage {
  padding: 6rem 0 4rem;
  position: relative;
}
.cinema-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}
@media (min-width: 640px) {
  .cinema-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.cinema-card {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 1.4rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 220ms ease, border-color 220ms ease;
}
.cinema-card:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 255, 0, 0.45);
}
.cinema-card__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.88) saturate(1.04);
  transition: filter 220ms ease, transform 400ms ease;
}
.cinema-card:hover .cinema-card__poster {
  filter: brightness(1) saturate(1.06);
  transform: scale(1.04);
}
.cinema-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem 1.2rem;
  background: linear-gradient(180deg, transparent 36%, rgba(1, 8, 40, 0.68) 100%);
}
.cinema-card__label {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}
.cinema-card__hint {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.7);
  margin-top: 0.2rem;
}
.cinema-card__icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 999px;
  background: rgba(111, 255, 0, 0.92);
  color: #010828;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
  transition: transform 220ms ease;
}
.cinema-card__icon svg { width: 1.4rem; height: 1.4rem; fill: currentColor; }
.cinema-card:hover .cinema-card__icon { transform: translate(-50%, -50%) scale(1.08); }

.cinema-lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(1, 8, 40, 0.92);
  display: grid;
  place-items: center;
  padding: 4rem 2rem;
  backdrop-filter: blur(12px);
}
.cinema-lightbox[hidden] { display: none; }
.cinema-lightbox__video {
  width: min(1200px, 100%);
  max-height: calc(100vh - 6rem);
  border-radius: 1.4rem;
  background: #000;
}
.cinema-lightbox__close,
.cinema-lightbox__mute {
  position: absolute;
  top: 1.5rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(1, 8, 40, 0.6);
  color: var(--cream);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.cinema-lightbox__close { right: 1.5rem; }
.cinema-lightbox__mute { right: 4.4rem; }
.cinema-lightbox__close svg,
.cinema-lightbox__mute svg { width: 1.2rem; height: 1.2rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cinema-lightbox.is-muted .cinema-lightbox__icon-off { display: none; }
.cinema-lightbox:not(.is-muted) .cinema-lightbox__icon-on { display: none; }

@media (max-width: 640px) {
  .cinema-lightbox__mute { right: 4.2rem; top: 1rem; }
  .cinema-lightbox__close { top: 1rem; }
  .cinema-lightbox { padding: 3.5rem 1rem; }
}


/* ============ hero image background ============ */
.hero-stage__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
  filter: saturate(1.08) contrast(1.04) brightness(1.04);
}

/* ============ cinema wall (single ambient reel) ============ */
.cinema-wall {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8.4;
  border-radius: 1.6rem;
  overflow: hidden;
  background: #010828;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}
.cinema-wall__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cinema-wall__enter {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: linear-gradient(180deg, rgba(1, 8, 40, 0.0), rgba(1, 8, 40, 0.45));
  color: #fff;
  font-size: clamp(1rem, 1.4vw, 1.4rem);
  letter-spacing: 0.06em;
  border: none;
  cursor: pointer;
  transition: background 0.25s ease;
}
.cinema-wall__enter svg { width: 1.6rem; height: 1.6rem; fill: #6fff00; stroke: #010828; stroke-width: 2; }
.cinema-wall__enter:hover { background: linear-gradient(180deg, rgba(1, 8, 40, 0.2), rgba(1, 8, 40, 0.6)); }
.cinema-wall__hint {
  position: absolute;
  bottom: 1rem;
  right: 1.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.75);
  background: rgba(1, 8, 40, 0.65);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.cinema-thumbs {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.cinema-thumb {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  color: inherit;
  font: inherit;
  text-align: left;
}
.cinema-thumb:hover { transform: translateY(-2px); border-color: rgba(111, 255, 0, 0.6); background: rgba(111, 255, 0, 0.06); }
.cinema-thumb.is-active { border-color: #6fff00; background: rgba(111, 255, 0, 0.12); box-shadow: 0 12px 30px rgba(111, 255, 0, 0.18); }
.cinema-thumb__image {
  width: 7.5rem;
  height: 4.5rem;
  border-radius: 0.6rem;
  object-fit: cover;
  flex-shrink: 0;
}
.cinema-thumb__label {
  font-size: 0.95rem;
  color: #eff4ff;
}

/* ============ honor carousel ============ */
.honor-carousel {
  position: relative;
  width: 100%;
}
.honor-carousel__viewport {
  overflow: hidden;
  border-radius: 1.4rem;
  padding: 0.4rem 0;
}
.honor-carousel__track {
  display: flex;
  gap: 1.2rem;
  transition: transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}
.honor-carousel__nav {
  position: absolute;
  top: 38%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(1, 8, 40, 0.78);
  color: #eff4ff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s ease, transform 0.2s ease;
}
.honor-carousel__nav:hover { background: #6fff00; color: #010828; transform: translateY(-50%) scale(1.08); }
.honor-carousel__nav--prev { left: -0.6rem; }
.honor-carousel__nav--next { right: -0.6rem; }
.honor-carousel__count {
  display: block;
  text-align: right;
  margin-top: 0.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.7);
}
.honor-card {
  flex: 0 0 16rem;
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: zoom-in;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.honor-card:hover { transform: translateY(-4px); border-color: #6fff00; }
.honor-card__image {
  width: 100%;
  height: 11rem;
  object-fit: cover;
  display: block;
}
.honor-card__body {
  padding: 0.9rem 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.honor-card__title {
  font-size: 0.95rem;
  color: #eff4ff;
}
.honor-card__sub {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(239, 244, 255, 0.6);
}
.honor-card__zoom {
  position: absolute;
  top: 0.6rem;
  right: 0.8rem;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: rgba(1, 8, 40, 0.7);
  color: #6fff00;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  pointer-events: none;
}

/* ============ campus carousel ============ */
.campus-carousel { position: relative; width: 100%; }
.campus-carousel__viewport { overflow: hidden; border-radius: 1.4rem; padding: 0.4rem 0; }
.campus-carousel__track { display: flex; gap: 1.4rem; transition: transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1); will-change: transform; }
.campus-carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(1, 8, 40, 0.78);
  color: #eff4ff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s ease, transform 0.2s ease;
}
.campus-carousel__nav:hover { background: #6fff00; color: #010828; transform: translateY(-50%) scale(1.08); }
.campus-carousel__nav--prev { left: -0.6rem; }
.campus-carousel__nav--next { right: -0.6rem; }
.campus-carousel__count {
  display: block;
  text-align: right;
  margin-top: 0.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.7);
}
.campus-card {
  flex: 0 0 22rem;
  position: relative;
  height: 14rem;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: zoom-in;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.campus-card:hover { transform: translateY(-4px); border-color: #6fff00; }
.campus-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.campus-card__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem 1.2rem;
  background: linear-gradient(0deg, rgba(1, 8, 40, 0.85), rgba(1, 8, 40, 0));
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.campus-card__title { font-size: 1rem; color: #eff4ff; }
.campus-card__sub { font-size: 0.75rem; letter-spacing: 0.06em; color: rgba(239, 244, 255, 0.7); }
.campus-card__zoom {
  position: absolute;
  top: 0.7rem;
  right: 0.9rem;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: rgba(1, 8, 40, 0.7);
  color: #6fff00;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  pointer-events: none;
}

/* ============ image lightbox ============ */
.image-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(1, 8, 40, 0.92);
  backdrop-filter: blur(12px);
  z-index: 9990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.image-lightbox[hidden] { display: none; }
.image-lightbox__close {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #eff4ff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.image-lightbox__close svg { width: 1.2rem; height: 1.2rem; }
.image-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #eff4ff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 180ms ease, transform 180ms ease, border-color 180ms ease;
  z-index: 2;
}
.image-lightbox__nav:hover,
.image-lightbox__nav:focus-visible {
  background: rgba(120, 248, 144, 0.25);
  border-color: rgba(120, 248, 144, 0.6);
  color: #78f890;
  transform: translateY(-50%) scale(1.06);
  outline: none;
}
.image-lightbox__nav svg { width: 1.4rem; height: 1.4rem; }
.image-lightbox__nav--prev { left: clamp(0.5rem, 2vw, 1.5rem); }
.image-lightbox__nav--next { right: clamp(0.5rem, 2vw, 1.5rem); }
.image-lightbox__counter {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: rgba(239, 244, 255, 0.7);
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  background: rgba(1, 8, 40, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
@media (max-width: 720px) {
  .image-lightbox__nav { width: 2.6rem; height: 2.6rem; }
  .image-lightbox__nav svg { width: 1.1rem; height: 1.1rem; }
}
.image-lightbox__figure {
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 0;
}
.image-lightbox__image {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 1rem;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
  object-fit: contain;
  background: #000;
}
.image-lightbox__caption {
  font-size: 0.95rem;
  color: rgba(239, 244, 255, 0.85);
  letter-spacing: 0.04em;
  text-align: center;
}
.image-lightbox__site {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid rgba(120, 248, 144, 0.6);
  border-radius: 999px;
  background: rgba(120, 248, 144, 0.18);
  color: #78f890;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}
.image-lightbox__site:hover {
  background: rgba(120, 248, 144, 0.35);
  color: #062b0d;
  transform: translateY(-2px);
}
.image-lightbox__sites {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}
.image-lightbox__sites[hidden] { display: none; }
.image-lightbox__site svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============ site footer ============ */
.site-footer {
  margin-top: 4rem;
  padding: 3rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(1, 8, 40, 0.6);
}
.site-footer__container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem 3rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 4rem);
  max-width: 1280px;
  margin: 0 auto;
}
.site-footer__brand { display: flex; flex-direction: column; gap: 0.25rem; }
.site-footer__logo { font-size: 1.4rem; color: #eff4ff; letter-spacing: 0.06em; }
.site-footer__tagline { font-size: 0.85rem; color: rgba(239, 244, 255, 0.7); }
.site-footer__contact { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; font-size: 0.85rem; color: rgba(239, 244, 255, 0.8); }
.site-footer__legal { display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; font-size: 0.78rem; color: rgba(239, 244, 255, 0.55); }
.site-footer__legal a { color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(239, 244, 255, 0.25); }
.site-footer__legal a:hover { color: #6fff00; }

/* ============ honor & campus old grid fallback removed ============ */
.honor-grid, .campus-grid, .nft-grid-courses-row { display: none; }

/* ============ responsive tweaks ============ */
@media (max-width: 720px) {
  .cinema-wall { aspect-ratio: 16 / 10; }
  .cinema-thumbs { grid-template-columns: 1fr; }
  .cinema-thumb__image { width: 6rem; height: 3.6rem; }
  .honor-carousel__viewport,
  .campus-carousel__viewport {
    padding: 0.5rem 0;
  }
  .honor-carousel__track,
  .campus-carousel__track {
    align-items: center;
  }
  .honor-card {
    flex: 0 0 min(78vw, 17.5rem);
  }
  .campus-card {
    flex: 0 0 min(80vw, 20rem);
    height: clamp(11.5rem, 52vw, 13.5rem);
  }
  .honor-carousel__nav, .campus-carousel__nav { width: 2.4rem; height: 2.4rem; font-size: 1.3rem; }
  .honor-carousel__nav--prev,
  .campus-carousel__nav--prev {
    left: 0.25rem;
  }
  .honor-carousel__nav--next,
  .campus-carousel__nav--next {
    right: 0.25rem;
  }
}

/* Course image rotation only; preserves the original nft-card dimensions. */
.nft-card__slide { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0; transform:scale(1.02); transition:opacity .48s ease,transform .7s ease; pointer-events:none; }
.nft-card__slide.is-active { opacity:1; transform:scale(1); pointer-events:auto; }
.nft-card__slide-nav { position:absolute; z-index:4; top:50%; display:grid; place-items:center; width:2.5rem; height:2.5rem; padding:0; border:1px solid rgba(255,255,255,.34); border-radius:999px; transform:translateY(-50%); background:rgba(1,8,40,.72); color:#fff; font-size:1.65rem; cursor:pointer; backdrop-filter:blur(10px); }
.nft-card__slide-nav:hover { background:#6fff00; color:#010828; }
.nft-card__slide-nav--prev { left:.75rem; }
.nft-card__slide-nav--next { right:.75rem; }
.nft-card__dots { position:absolute; z-index:4; left:50%; bottom:.75rem; display:flex; gap:.35rem; transform:translateX(-50%); }
.nft-card__dot { width:.42rem; height:.42rem; padding:0; border:0; border-radius:999px; background:rgba(255,255,255,.5); cursor:pointer; transition:width .2s ease,background .2s ease; }
.nft-card__dot.is-active { width:1.2rem; background:#6fff00; }
.hero-logo__image { display:block; width:auto; height:3.1rem; object-fit:contain; }

/* Final focused refinements: taller student dome and balanced contact layout. */
.dome-wall { height: clamp(38rem, 68vh, 48rem); min-height: 38rem; }
@media (max-width: 767.98px) { .dome-wall { height: 34rem; min-height: 34rem; border-radius: 1.35rem; } }
@media (min-width: 1024px) {
  .signal-copy {
    top: 14%;
    left: 50%;
    right: clamp(2rem, 7vw, 8rem);
    width: auto;
    max-width: min(42rem, calc(50vw - 2rem));
    justify-content: flex-start;
    align-items: flex-start;
    padding: 0;
  }
  .signal-copy > div, .signal-copy { align-items: flex-start; }
  .signal-title {
    width: 100%;
    max-width: 100%;
    padding: 0;
    font-size: clamp(2.25rem, 2.7vw, 3.65rem);
    line-height: 1.02;
    gap: .24em;
  }
  .signal-title__lead { margin-bottom: 1rem; }
  .signal-accent {
    margin: 0 0 .75rem 0;
    font-size: clamp(1.2rem, 1.55vw, 1.85rem);
    line-height: 1;
  }
  .social-rail { left: 8%; bottom: 16%; }
  .social-rail__button { width: 19rem; }
}
/* Signal QR card (replaces social-rail inside the stage). */
.signal-qr-card {
  position: absolute;
  left: 10%;
  bottom: 18%;
  top: auto;
  right: auto;
  z-index: 5;
  padding: 22px 22px 20px;
  width: min(520px, 42vw);
  border-radius: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #e7f1ff;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.72);
}
.signal-qr-card::before {
  display: none;
}
.signal-qr-card__title {
  margin: 0;
  font-size: 0.95rem;
  color: #8be5ff;
  letter-spacing: 0.06em;
}
.signal-qr-card__lede {
  margin: 4px 0 12px;
  font-size: 0.75rem;
  color: rgba(231, 241, 255, 0.78);
  letter-spacing: 0.02em;
}
.signal-qr-card__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}
.signal-qr-card__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
}
.signal-qr-card__image {
  width: min(156px, 100%);
  height: auto;
  aspect-ratio: 1;
  border-radius: 14px;
  background: #ffffff;
  padding: 8px;
  object-fit: contain;
}
.signal-qr-card__caption {
  font-size: 0.7rem;
  color: rgba(231, 241, 255, 0.7);
  margin-top: 4px;
}
.signal-qr-card__map {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  color: rgba(231, 241, 255, 0.86);
  text-decoration: none;
}
.signal-qr-card__map svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
}
.signal-qr-card__phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0;
  font-size: 0.78rem;
  color: rgba(231, 241, 255, 0.85);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.signal-qr-card__phone:hover {
  color: #ffffff;
}
.signal-qr-card__phone:focus-visible {
  outline: 2px solid #6fff00;
  outline-offset: 3px;
  border-radius: 4px;
}
@media (max-width: 900px) {
  .signal-qr-card {
    position: static;
    margin: 24px auto 0;
    width: min(420px, calc(100% - 32px));
  }
  .signal-qr-card__image {
    width: 140px;
  }
}

@media (max-width: 560px) {
  .teacher-strip {
    display: grid;
    grid-template-columns: 2.55rem minmax(0, 1fr) 2.55rem;
    column-gap: 0.6rem;
    align-items: center;
  }
  .teacher-strip__viewport {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    width: 100%;
  }
  .teacher-strip__nav {
    position: relative;
    z-index: 1;
    width: 2.55rem;
    height: 2.55rem;
  }
  .teacher-strip__nav--prev {
    grid-column: 1;
    grid-row: 1;
  }
  .teacher-strip__nav--next {
    grid-column: 3;
    grid-row: 1;
  }
  .teacher-strip__count {
    display: none;
  }
  .teacher-cell {
    width: 100%;
    max-width: none;
  }
  .signal-qr-card__grid {
    gap: 10px;
  }
  .signal-qr-card__caption {
    font-size: 0.62rem;
  }
}

/* Navigation anchors and stable course-card interaction. */
.anchor-alias {
  display: block;
  position: relative;
  top: -5rem;
  height: 0;
  visibility: hidden;
}

[data-course-card-link] {
  cursor: pointer;
}

[data-course-card-link]:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}

/* Keep the signal headline static; only the small supporting line types. */
.signal-title {
  display: flex;
  flex-direction: column;
  gap: 0.08em;
  min-height: 2.08em;
}

.signal-title > span {
  display: block;
}

.signal-dynamic-line {
  display: flex;
  align-items: center;
  min-height: 1.5em;
  margin: 1rem 0 0;
  color: rgba(231, 241, 255, 0.82);
  font-size: clamp(0.78rem, 1.2vw, 1rem);
  letter-spacing: 0.04em;
}

.signal-dynamic-line__text--typing {
  display: inline-block;
  min-width: 18em;
}

/* Desktop contact card sits in the open right side of the signal visual. */
@media (min-width: 901px) {
  .signal-copy {
    top: 12%;
    left: 50%;
    right: 3rem;
    width: auto;
    max-width: min(42rem, calc(50vw - 4rem));
  }

  .signal-title {
    width: 100%;
    max-width: 100%;
    padding: 0;
    font-size: clamp(2.1rem, 2.7vw, 3.55rem);
    line-height: 1.04;
  }

  .signal-qr-card {
    top: clamp(17.5rem, 25vw, 22rem);
    right: 3rem;
    left: 50%;
    bottom: auto;
    width: min(620px, calc(50vw - 3rem));
    padding: 8px 0 0;
    display: grid;
    grid-template-columns: minmax(8rem, 0.72fr) minmax(0, 1.28fr);
    grid-template-areas:
      "summary qrs"
      "meta meta";
    gap: 14px 18px;
    align-items: center;
    text-align: left;
    border: 0;
    background: transparent !important;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .signal-qr-card__summary {
    grid-area: summary;
  }

  .signal-qr-card__grid {
    grid-area: qrs;
    gap: 10px;
  }

  .signal-qr-card__meta {
    grid-area: meta;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
  }

  .signal-qr-card__map {
    justify-content: flex-start;
    margin-top: 0;
  }

  .signal-qr-card__image {
    width: min(154px, 100%);
    padding: 6px;
    cursor: zoom-in;
  }
}

@media (max-width: 900px) {
  .signal-dynamic-line__text--typing {
    min-width: 0;
  }

  .signal-qr-card {
    display: block;
  }

  .signal-qr-card__summary {
    text-align: center;
  }

  .signal-qr-card__meta {
    margin-top: 12px;
  }
}

.signal-qr-card::before {
  display: none !important;
}

.signal-qr-card__image:focus-visible {
  outline: 2px solid #6fff00;
  outline-offset: 4px;
}


/* ===================================================================
   共享导航彩色文字（v3）
   - 奇点科创 — 琥珀橙 (#FFB347)
   - 研学 — 薄荷绿 (#5CFFB6)
   - 全部赛事 — 电光蓝 (#5CE1FF)
   全部为彩色文字，无胶囊背景，hover 出现底部下划线
   =================================================================== */

.nav-link--singularity,
.nav-link--yanxue,
.nav-link--external {
  padding: 0.35rem 0.2rem !important;
  border-radius: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
  position: relative;
}
.nav-link--singularity::after,
.nav-link--yanxue::after,
.nav-link--external::after {
  content: none !important;
}

.nav-link--singularity {
  color: #FFB347 !important;
}
.nav-link--singularity:hover,
.nav-link--singularity:focus-visible,
.nav-link--singularity.is-active {
  color: #FFD79A !important;
}

.nav-link--yanxue {
  color: #5CFFB6 !important;
}
.nav-link--yanxue:hover,
.nav-link--yanxue:focus-visible,
.nav-link--yanxue.is-active {
  color: #b3ffd5 !important;
}

.nav-link--external {
  color: #5CE1FF !important;
}
.nav-link--external:hover,
.nav-link--external:focus-visible {
  color: #b3ecff !important;
}

/* hover 时底部渐变下划线 */
.nav-link--singularity::before,
.nav-link--yanxue::before,
.nav-link--external::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  transition: width 220ms ease, left 220ms ease;
}
.nav-link--singularity::before { background: linear-gradient(90deg, #FFB347, #FF8C42); }
.nav-link--yanxue::before { background: linear-gradient(90deg, #5CFFB6, #78f890); }
.nav-link--external::before { background: linear-gradient(90deg, #5CE1FF, #6ed2ff); }
.nav-link--singularity:hover::before,
.nav-link--singularity:focus-visible::before,
.nav-link--singularity.is-active::before,
.nav-link--yanxue:hover::before,
.nav-link--yanxue:focus-visible::before,
.nav-link--yanxue.is-active::before,
.nav-link--external:hover::before,
.nav-link--external:focus-visible::before {
  width: 100%;
  left: 0;
}

/* ===================================================================
   共享 hero CTA 强化（v3）
   - hero-cta--ghost（预约体验课）：醒目霓虹绿胶囊 + 呼吸动画
   =================================================================== */
.hero-cta.hero-cta--ghost {
  background: linear-gradient(135deg, #6fff00, #5CFFB6) !important;
  border: 1px solid #78f890 !important;
  color: #062b0d !important;
  font-weight: 700;
  box-shadow: 0 12px 32px rgba(120, 248, 144, 0.42) !important;
  animation: cta-glow 2.4s ease-in-out infinite;
}
.hero-cta.hero-cta--ghost:hover,
.hero-cta.hero-cta--ghost:focus-visible {
  background: linear-gradient(135deg, #b3ff66, #6fff00) !important;
  border-color: #b3ff66 !important;
  transform: translateY(-2px);
}
@keyframes cta-glow {
  0%, 100% { box-shadow: 0 12px 32px rgba(120, 248, 144, 0.42); }
  50%      { box-shadow: 0 14px 40px rgba(120, 248, 144, 0.72); }
}

/* ============ 图片灯箱：左右切换 + 计数器 ============ */
.image-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(1, 8, 40, 0.78);
  color: var(--cream);
  border-radius: 999px;
  display: grid;
  place-items: center;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 180ms ease, transform 180ms ease, border-color 180ms ease, color 180ms ease;
}
.image-lightbox__nav svg { width: 1.3rem; height: 1.3rem; }
.image-lightbox__nav:hover,
.image-lightbox__nav:focus-visible {
  background: rgba(92, 255, 182, 0.92);
  border-color: rgba(92, 255, 182, 0.92);
  color: #062b0d;
  transform: translateY(-50%) scale(1.06);
}
.image-lightbox__nav--prev { left: clamp(0.6rem, 2vw, 1.6rem); }
.image-lightbox__nav--next { right: clamp(0.6rem, 2vw, 1.6rem); }
.image-lightbox__counter {
  position: absolute;
  left: 50%;
  bottom: clamp(0.6rem, 2vw, 1.4rem);
  transform: translateX(-50%);
  z-index: 60;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: rgba(1, 8, 40, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(239, 244, 255, 0.85);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: none;
}
.image-lightbox__counter:empty { display: none; }

/* 奇点科创：琥珀色调 */
.sg-page .image-lightbox__nav:hover,
.sg-page .image-lightbox__nav:focus-visible {
  background: rgba(255, 179, 71, 0.92);
  border-color: rgba(255, 179, 71, 0.92);
  color: #2b1500;
}

@media (max-width: 760px) {
  .image-lightbox__nav { width: 2.4rem; height: 2.4rem; }
  .image-lightbox__nav svg { width: 1.05rem; height: 1.05rem; }
  .image-lightbox__counter { font-size: 0.66rem; padding: 0.28rem 0.6rem; }
}

/* ============ 导航栏 z-index 安全垫 ============ */
.hero-nav.liquid-glass { z-index: 70; }
.hero-header { z-index: 65; }
.yx-region,
.sg-region,
.campus-stage,
.poster-matrix-stage,
.signal-stage {
  position: relative;
  z-index: 1;
}
.yx-hero,
.sg-hero {
  position: relative;
  z-index: 5;
}
.sg-hero .sg-hero__container { pointer-events: none; }
.sg-hero .sg-hero__container > * { pointer-events: auto; }
.yx-hero .yx-hero__container { pointer-events: none; }
.yx-hero .yx-hero__container > * { pointer-events: auto; }