:root {
  color-scheme: light;
  --page: #f7f8fb;
  --paper: rgba(255, 255, 255, 0.68);
  --paper-strong: rgba(255, 255, 255, 0.86);
  --line: rgba(72, 84, 106, 0.16);
  --line-strong: rgba(72, 84, 106, 0.26);
  --text: #182033;
  --muted: rgba(24, 32, 51, 0.62);
  --blue: #65c7ff;
  --pink: #ff9aba;
  --mint: #8de6c3;
  --amber: #f5c96b;
  --lavender: #b7adff;
}
 * {
  box-sizing: border-box;
}
 html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(101, 199, 255, 0.28), transparent 26rem),
    radial-gradient(circle at 86% 24%, rgba(255, 154, 186, 0.22), transparent 24rem),
    radial-gradient(circle at 50% 92%, rgba(141, 230, 195, 0.22), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, var(--page) 54%, #eef3f8 100%);
  color: var(--text);
  font-family:
    Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
 button,
input {
  font: inherit;
}
 button {
  border: 0;
}
 #scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
 .soft-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.72), transparent 31%, transparent 78%, rgba(255, 255, 255, 0.48)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 42%, rgba(246, 248, 251, 0.5));
}
 .mobile-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 50% 12%, rgba(101, 199, 255, 0.2), transparent 18rem),
    linear-gradient(180deg, #ffffff 0%, #f3f6fa 100%);
}
 .mobile-gate-card {
  width: min(100%, 25rem);
  padding: 2rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 1.4rem 4rem rgba(24, 32, 51, 0.12);
  text-align: left;
}
 .mobile-gate-card b {
  display: block;
  color: #4aa9df;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
 .mobile-gate-card h1 {
  margin: 0.75rem 0 0.7rem;
  font-size: clamp(2rem, 11vw, 3.2rem);
  line-height: 0.98;
}
 .mobile-gate-card p {
  margin: 0 0 1.35rem;
  color: var(--muted);
  line-height: 1.75;
}
 .mobile-gate-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.15rem;
  border-radius: 0.8rem;
  background: #182033;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
 .preload-layer {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 50% 22%, rgba(101, 199, 255, 0.18), transparent 24rem),
    radial-gradient(circle at 72% 76%, rgba(141, 230, 195, 0.18), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #f2f7fb 100%);
  transition:
    opacity 520ms ease,
    visibility 520ms ease;
}
 .preload-layer.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
 .preload-card {
  width: min(100%, 30rem);
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 1.6rem 4.5rem rgba(24, 32, 51, 0.14);
  text-align: center;
  backdrop-filter: blur(1rem) saturate(1.15);
  -webkit-backdrop-filter: blur(1rem) saturate(1.15);
}
 .preload-ring {
  --progress: 0%;
  position: relative;
  display: grid;
  place-items: center;
  width: 8.8rem;
  height: 8.8rem;
  margin: 0 auto 1.35rem;
  border-radius: 50%;
  background:
    conic-gradient(from -90deg, #65c7ff var(--progress), rgba(24, 32, 51, 0.08) 0),
    rgba(255, 255, 255, 0.72);
  box-shadow:
    0 1rem 2.4rem rgba(101, 199, 255, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.86);
}
 .preload-ring::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(72, 84, 106, 0.08);
}
 .preload-avatar {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 5.55rem;
  height: 5.55rem;
  border-radius: 1.25rem;
  overflow: hidden;
  background: #fff;
}
 .preload-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
 .preload-percent {
  position: absolute;
  right: -0.35rem;
  bottom: 0.3rem;
  z-index: 2;
  min-width: 3.1rem;
  padding: 0.36rem 0.48rem;
  border-radius: 999px;
  background: #182033;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
 .preload-card h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 0.95;
}
 .preload-story {
  min-height: 3.4rem;
  margin: 0 auto 1.1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}
 .preload-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(24, 32, 51, 0.58);
  font-size: 0.85rem;
  font-weight: 700;
}
 .preload-status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #65c7ff;
  box-shadow: 0 0 0.8rem rgba(101, 199, 255, 0.72);
}
 .glass {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.38)),
    var(--paper);
  box-shadow:
    0 1.3rem 4rem rgba(58, 76, 110, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(1.35rem) saturate(1.22);
  -webkit-backdrop-filter: blur(1.35rem) saturate(1.22);
  border-radius: 8px;
}
 .topbar {
  position: fixed;
  top: 1rem;
  left: 50%;
  translate: -50% 0;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.9rem;
  padding: 0.45rem 0.75rem;
  z-index: 5;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease;
}
 .topbar:hover {
  transform: translateY(-0.08rem);
}
 .topbar:focus-visible {
  outline: 2px solid rgba(101, 199, 255, 0.72);
  outline-offset: 3px;
}
 .brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.82),
    0 0.55rem 1.4rem rgba(44, 62, 90, 0.12);
}
 .brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
 .brand-copy {
  line-height: 1;
  white-space: nowrap;
}
 .brand-copy b {
  display: block;
  font-size: 0.94rem;
}
 .brand-copy span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.68rem;
}
 .hud {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(16rem, 21rem) 1fr minmax(15rem, 22rem);
  gap: 1rem;
  padding: 1rem;
  pointer-events: none;
}
 .actions,
.info {
  pointer-events: auto;
}
 .actions {
  align-self: center;
  width: min(100%, 20rem);
  padding: 0.75rem;
}
 .actions.glass {
  border-color: rgba(255, 255, 255, 0.56);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0.18)),
    rgba(255, 255, 255, 0.18);
  box-shadow:
    0 1.5rem 4.5rem rgba(56, 72, 105, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(1.8rem) saturate(1.55);
  -webkit-backdrop-filter: blur(1.8rem) saturate(1.55);
}
 .panel-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2rem;
  padding: 0 0.3rem 0.6rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}
 .status-dot {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 1rem rgba(141, 230, 195, 0.88);
}
 .action-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.65rem;
}
 .action-btn {
  display: grid;
  grid-template-columns: 2.35rem 1fr auto;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 4.1rem;
  padding: 0.58rem;
  border: 1px solid transparent;
  border-radius: 8px;
  color: rgba(24, 32, 51, 0.72);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition:
    background 130ms ease,
    border-color 130ms ease,
    color 130ms ease,
    transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}
 .action-btn:hover,
.action-btn.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.38);
  border-color: rgba(255, 255, 255, 0.72);
  transform: translateX(0.14rem);
}
 .action-index {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eff5fb);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(72, 84, 106, 0.12);
  font-size: 0.78rem;
}
 .action-copy {
  min-width: 0;
}
 .action-copy strong,
.action-copy span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
 .action-copy strong {
  font-size: 0.95rem;
  font-weight: 720;
}
 .action-copy span {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.74rem;
}
 .action-arrow {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--muted);
}
 .hero-copy {
  align-self: end;
  max-width: 38rem;
  margin: 0 0 2.1rem 1.5rem;
  pointer-events: none;
}
 .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2rem;
  padding: 0.32rem 0.68rem;
  color: rgba(24, 32, 51, 0.74);
  font-size: 0.78rem;
}
 .eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 1rem rgba(101, 199, 255, 0.8);
}
 h1 {
  max-width: 34rem;
  margin: 0.86rem 0 0;
  font-size: clamp(2.35rem, 5vw, 5.05rem);
  line-height: 0.98;
  font-weight: 760;
  letter-spacing: 0;
}
 .hero-copy p {
  max-width: 30rem;
  margin: 0.9rem 0 0;
  color: rgba(24, 32, 51, 0.66);
  font-size: 1rem;
  line-height: 1.75;
}
 .info {
  align-self: end;
  justify-self: end;
  width: min(100%, 21rem);
  margin-bottom: 1.1rem;
  padding: 0.9rem;
}
 .info-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
 .info h2 {
  margin: 0;
  font-size: 1rem;
}
 .chip {
  min-width: 3.2rem;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  color: #fff;
  background: var(--blue);
  text-align: center;
  font-size: 0.68rem;
  font-weight: 760;
}
 .info p {
  display: none;
  margin: 0.72rem 0 0;
  color: rgba(24, 32, 51, 0.62);
  font-size: 0.86rem;
  line-height: 1.7;
}
 .stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-top: 0.85rem;
}
 .stat {
  min-width: 0;
  padding: 0.55rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}
 .stat b {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
}
 .stat span {
  display: none;
  margin-top: 0.22rem;
  color: rgba(24, 32, 51, 0.48);
  font-size: 0.66rem;
}
 .intro {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: #f7f8fb;
  transition:
    opacity 900ms ease,
    visibility 900ms ease;
}
 .intro.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
 .intro-card {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #f7f8fb;
}
 .intro-video {
  position: absolute;
  inset: 0;
  overflow: hidden;
  min-height: 100%;
  border-radius: 0;
  background: #eef4fb;
}
 .intro-video video {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  display: block;
}
 .intro-video::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.22), transparent 48%),
    linear-gradient(180deg, transparent 50%, rgba(255, 255, 255, 0.32));
  pointer-events: none;
}
 .intro-copy {
  position: absolute;
  left: clamp(1rem, 5vw, 4rem);
  bottom: clamp(1rem, 6vh, 4rem);
  width: min(28rem, calc(100vw - 2rem));
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(1.1rem) saturate(1.2);
  -webkit-backdrop-filter: blur(1.1rem) saturate(1.2);
}
 .intro-copy .small {
  color: #4a9ed0;
  font-size: 0.78rem;
  font-weight: 760;
}
 .intro-copy h2 {
  margin: 0.9rem 0 0;
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1.02;
}
 .intro-copy p {
  display: none;
}
 .intro-progress {
  width: 100%;
  height: 0.35rem;
  margin-top: 1.6rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(72, 84, 106, 0.12);
}
 .intro-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--pink), var(--mint));
  transform-origin: left;
  animation: intro-progress 5.2s linear forwards;
  animation-play-state: paused;
}
 .intro.is-playing .intro-progress i {
  animation-play-state: running;
}
 @keyframes intro-progress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}
 .skip-intro {
  margin-top: 1rem;
  min-height: 2.35rem;
  padding: 0 0.85rem;
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  cursor: pointer;
}
 .modal-layer,
.contact-film {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: #f7f8fb;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 220ms ease,
    visibility 220ms ease;
}
 .modal-layer {
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(247, 248, 251, 0.94);
  backdrop-filter: blur(0.9rem) saturate(1.08);
  -webkit-backdrop-filter: blur(0.9rem) saturate(1.08);
}
 .modal-layer.is-open,
.contact-film.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
 .modal {
  width: min(92vw, 34rem);
  max-height: 86vh;
  padding: 1rem;
  transform: translateY(0.8rem) scale(0.98);
  opacity: 0;
  overflow: hidden;
  transition:
    transform 260ms ease,
    opacity 260ms ease;
}
 .modal.is-tutorial {
  width: min(94vw, 72rem);
  padding: 0.9rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 253, 255, 0.94)),
    #ffffff;
  box-shadow:
    0 1.5rem 5rem rgba(58, 76, 110, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}
 .modal-layer.is-open .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}
 .modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}
 .modal-head h3 {
  margin: 0;
  font-size: 1.15rem;
}
 .close-btn {
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--text);
  background: rgba(72, 84, 106, 0.08);
  cursor: pointer;
}
 .qr-wrap {
  display: grid;
  place-items: center;
  padding: 1.2rem 0 0.8rem;
}
 .qr-shell {
  width: min(70vw, 17rem);
  padding: 0.75rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}
 .qr-shell img {
  display: block;
  width: 100%;
  height: auto;
}
 .modal p,
.tutorial-body {
  color: rgba(24, 32, 51, 0.66);
  line-height: 1.75;
}
 .tutorial-body {
  max-height: min(48vh, 22rem);
  overflow: auto;
  padding: 0.9rem 0.2rem 0 0;
  white-space: pre-wrap;
}
 .tutorial-shell {
  display: grid;
  grid-template-columns: minmax(12rem, 16rem) 1fr;
  gap: 0.8rem;
  min-height: min(64vh, 38rem);
  padding-top: 0.85rem;
}
 .tutorial-nav {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  max-height: min(64vh, 38rem);
  overflow: auto;
  padding-right: 0.25rem;
}
 .tutorial-nav button {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.55rem;
  padding: 0.35rem 0.45rem;
  border: 1px solid transparent;
  border-radius: 8px;
  color: rgba(24, 32, 51, 0.66);
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  text-align: left;
}
 .tutorial-nav button.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(101, 199, 255, 0.36);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.68);
}
 .tutorial-nav b {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef7fb);
  font-size: 0.75rem;
}
 .tutorial-nav span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
  font-weight: 680;
}
 .tutorial-panel {
  max-height: min(64vh, 38rem);
  overflow: auto;
  border: 1px solid rgba(72, 84, 106, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, #ffffff, #f8fbfd),
    #ffffff;
}
 .tutorial-hero {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 1.1rem;
  border-bottom: 1px solid rgba(72, 84, 106, 0.12);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(1rem) saturate(1.18);
  -webkit-backdrop-filter: blur(1rem) saturate(1.18);
}
 .tutorial-hero small {
  display: block;
  color: #4aa8dd;
  font-weight: 760;
}
 .tutorial-hero h4 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.18;
}
 .tutorial-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}
 .tutorial-meta span {
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  color: rgba(24, 32, 51, 0.68);
  background: rgba(101, 199, 255, 0.12);
  font-size: 0.74rem;
}
 .tutorial-content {
  padding: 1.1rem;
  color: rgba(24, 32, 51, 0.82);
  font-size: 0.95rem;
  line-height: 1.82;
  white-space: pre-wrap;
}
 .email-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  margin-top: 1rem;
}
 .email-box input {
  min-width: 0;
  height: 3rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
}
 .copy-btn {
  height: 3rem;
  padding: 0 0.9rem;
  border-radius: 8px;
  color: #fff;
  background: #4aa8dd;
  cursor: pointer;
  font-weight: 760;
}
 .film-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #f7f8fb;
}
 .contact-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
 .contact-email-final {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(42rem, 54vw);
  min-height: clamp(3.2rem, 7.8vw, 5.1rem);
  display: grid;
  place-items: center;
  padding: 0.75rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  color: #111827;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.38)),
    rgba(255, 255, 255, 0.48);
  box-shadow:
    0 1.2rem 3rem rgba(23, 36, 60, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(1rem) saturate(1.2);
  -webkit-backdrop-filter: blur(1rem) saturate(1.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, calc(-50% + 0.8rem)) scale(0.98);
  transition:
    opacity 360ms ease,
    transform 360ms ease;
  font-size: clamp(1.15rem, 2.8vw, 2.45rem);
  font-weight: 760;
  letter-spacing: 0;
  white-space: nowrap;
}
 .contact-film.is-complete .contact-email-final {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}
 .film-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 0.8rem 2rem rgba(23, 36, 60, 0.12);
  cursor: pointer;
}
 .scene-nav {
  position: fixed;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}
 .scene-step {
  position: absolute;
  top: 50%;
  width: clamp(2.8rem, 4vw, 3.55rem);
  height: clamp(2.8rem, 4vw, 3.55rem);
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  color: rgba(24, 32, 51, 0.78);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.3)),
    rgba(255, 255, 255, 0.42);
  box-shadow:
    0 1rem 2.8rem rgba(58, 76, 110, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(1.2rem) saturate(1.3);
  -webkit-backdrop-filter: blur(1.2rem) saturate(1.3);
  cursor: pointer;
  pointer-events: auto;
  transform: translateY(-50%);
  transition:
    transform 180ms ease,
    background 130ms ease,
    color 180ms ease;
  font-size: clamp(1.6rem, 2.7vw, 2.15rem);
  line-height: 1;
}
 .scene-step:hover {
  color: var(--text);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.46)),
    rgba(255, 255, 255, 0.58);
}
 .scene-step:active {
  transform: translateY(-50%) scale(0.96);
}
 .scene-step.prev {
  left: clamp(22rem, 24vw, 24.5rem);
}
 .scene-step.next {
  right: clamp(0.85rem, 2.5vw, 2.2rem);
}
 .cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  margin: -1.2rem 0 0 -1.2rem;
  border: 1px solid rgba(24, 32, 51, 0.24);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    border-color 180ms ease;
}
 body.is-pointing .cursor-ring {
  opacity: 1;
  transform: scale(1.45);
  border-color: rgba(101, 199, 255, 0.86);
  box-shadow: 0 0 1.5rem rgba(101, 199, 255, 0.28);
}
 @media (max-width: 980px) {
  .hud {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 0.75rem;
  }
   .topbar {
    top: 0.75rem;
  }
   .actions {
    align-self: start;
    width: 100%;
    margin-top: 3.75rem;
  }
   .action-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
   .action-btn {
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 4rem;
    gap: 0.25rem;
    text-align: center;
  }
   .action-copy span,
  .action-arrow {
    display: none;
  }
   .action-copy strong {
    max-width: 5.5rem;
    font-size: 0.76rem;
  }
   .hero-copy {
    align-self: end;
    margin: 0 0 9.5rem;
  }
   .hero-copy p {
    max-width: 22rem;
    font-size: 0.9rem;
  }
   .info {
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    width: auto;
    margin: 0;
  }
   .intro-video,
  .intro-video video {
    min-height: 100%;
  }
}
 @media (max-width: 820px), (pointer: coarse) {
  body {
    overflow: hidden;
  }
   #scene,
  .soft-overlay,
  .topbar,
  .hud,
  .intro,
  .modal-layer,
  .contact-film,
  .cursor-ring,
  .scene-nav {
    display: none !important;
  }
   .mobile-gate {
    display: grid;
  }
}
 @media (max-width: 620px) {
  .action-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
   .panel-label {
    display: none;
  }
   .actions {
    padding: 0.45rem;
  }
   .hero-copy {
    margin-bottom: 10.8rem;
  }
   .hero-copy p,
  .info p {
    display: none;
  }
   .email-box {
    grid-template-columns: 1fr;
  }
   .scene-step {
    top: auto;
    bottom: 5.65rem;
  }
   .scene-step.prev {
    left: 1rem;
  }
   .scene-step.next {
    right: 1rem;
  }
   .modal.is-tutorial {
    width: 96vw;
  }
   .tutorial-shell {
    grid-template-columns: 1fr;
    min-height: 66vh;
  }
   .tutorial-nav {
    display: flex;
    max-height: none;
    overflow-x: auto;
    padding: 0 0 0.25rem;
  }
   .tutorial-nav button {
    min-width: 9rem;
  }
   .tutorial-panel {
    max-height: 52vh;
  }
   .contact-email-final {
    top: 50%;
    width: min(88vw, 24rem);
    font-size: clamp(1rem, 5vw, 1.55rem);
  }
}
.icp-footer {
  position: fixed;
  z-index: 35;
  right: 1.1rem;
  bottom: 0.9rem;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: rgba(24, 32, 51, 0.62);
  font-size: 0.75rem;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 0.7rem 1.8rem rgba(24, 32, 51, 0.08);
  backdrop-filter: blur(1rem) saturate(1.1);
  -webkit-backdrop-filter: blur(1rem) saturate(1.1);
}
 .icp-footer:hover {
  color: rgba(24, 32, 51, 0.86);
  background: rgba(255, 255, 255, 0.76);
}
 @media (max-width: 820px), (pointer: coarse) {
  .icp-footer {
    right: 50%;
    bottom: 0.65rem;
    transform: translateX(50%);
    font-size: 0.68rem;
  }
}