:root {
  --bg: #20211f;
  --stage: #070707;
  --text: #f4f4ef;
  --muted: rgba(244, 244, 239, 0.62);
  --dim: rgba(244, 244, 239, 0.34);
  --line: rgba(244, 244, 239, 0.12);
  --gold: #d6bd82;
  --gold-soft: rgba(214, 189, 130, 0.18);
  --panel: rgba(16, 16, 14, 0.72);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 86% 11%, rgba(255,255,255,.08), transparent 12%),
    radial-gradient(circle at 8% 92%, rgba(214,189,130,.1), transparent 18%),
    var(--bg);
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: y proximity;
}

button { font: inherit; -webkit-tap-highlight-color: transparent; }
button:focus { outline: none; }
button:focus-visible { outline: 1px solid rgba(214,189,130,.42); outline-offset: 5px; }

.page {
  position: relative;
  width: 100vw;
  height: 100vh;
  padding: 46px 4.4vw 42px;
  overflow: hidden;
  scroll-snap-align: start;
}

.page-title {
  position: relative;
  z-index: 10;
  pointer-events: none;
}

.page-title p {
  margin: 0;
  color: rgba(244,244,239,.32);
  font-size: clamp(62px, 7.7vw, 112px);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.08em;
}

.page-title h1 {
  margin: 8px 0 0;
  max-width: 1040px;
  font-size: clamp(48px, 6.7vw, 96px);
  font-weight: 700;
  line-height: .94;
  letter-spacing: -.08em;
}

.eye-entry {
  position: absolute;
  z-index: 20;
  top: 70px;
  right: 4.7vw;
  width: 116px;
  height: 116px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.07);
  cursor: pointer;
  transition: .25s ease;
}
.eye-entry:hover { transform: scale(1.06); background: rgba(255,255,255,.12); }
.eye-entry span { position: relative; width: 42px; height: 26px; border: 3px solid currentColor; border-radius: 50% / 58%; }
.eye-entry span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; border-radius: 50%; background: currentColor; transform: translate(-50%, -50%); }

.cabinet {
  position: absolute;
  left: 4.4vw;
  right: 4.4vw;
  bottom: 82px;
  height: 55vh;
  min-height: 445px;
  border-radius: 7px;
  background: var(--stage);
  overflow: hidden;
  box-shadow: 0 30px 86px rgba(0,0,0,.33);
}

.cabinet::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 760px;
  height: 300px;
  border: 1px dashed rgba(244,244,239,.08);
  border-radius: 50%;
  transform: translate(-50%, -40%);
}

.cabinet::after {
  content: "";
  position: absolute;
  left: 45%;
  top: 47%;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(214,189,130,.13), transparent 64%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cabinet-topline {
  position: relative;
  z-index: 12;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px 0;
  font-size: clamp(14px, 1.65vw, 25px);
  font-weight: 650;
  letter-spacing: -.065em;
}

.orbit-field { position: absolute; inset: 0; touch-action: manipulation; }

.master-item {
  position: absolute;
  width: 156px;
  height: 210px;
  display: grid;
  align-content: end;
  gap: 9px;
  border: 0;
  border-radius: 18px;
  padding: 0;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transform: translate3d(-50%, -50%, 0) rotate(var(--rot, 0deg)) scale(var(--scale, 1));
  transform-origin: center 72%;
  opacity: var(--opacity, .8);
  z-index: var(--z, 3);
  filter: var(--filter, none);
  will-change: left, top, transform, opacity;
  backface-visibility: hidden;
  contain: layout paint;
  transition:
    left .38s cubic-bezier(.22,1,.36,1),
    top .38s cubic-bezier(.22,1,.36,1),
    transform .38s cubic-bezier(.22,1,.36,1),
    opacity .18s ease;
}

.master-item:hover { --opacity: .94; }
.master-item:active { transform: translate3d(-50%, -50%, 0) rotate(var(--rot, 0deg)) scale(calc(var(--scale, 1) * .985)); }
.master-item:focus { outline: none; }
.master-item:focus-visible { outline: none; }

.master-item strong {
  justify-self: center;
  border-radius: 999px;
  padding: 7px 12px;
  color: #111;
  background: rgba(244,244,239,.92);
  font-family: "Noto Serif SC", serif;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  transition: .22s ease;
}

.master-item:hover strong,
.master-item.is-active strong { opacity: 1; transform: translateY(0); }

.master-item.is-active {
  --scale: 1.34;
  --opacity: 1;
  --z: 16;
  --filter: drop-shadow(0 22px 34px rgba(0,0,0,.46));
}

.master-item.is-muted {
  --opacity: .54;
  --filter: none;
}

.portrait {
  position: relative;
  display: block;
  width: 142px;
  height: 178px;
  justify-self: center;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 28px rgba(0,0,0,.28);
  transform: translateZ(0);
  transition: box-shadow .22s ease, border-radius .22s ease;
}

.master-item.is-active .portrait { box-shadow: 0 24px 42px rgba(0,0,0,.42); }

.portrait::before,
.portrait::after { content: ""; position: absolute; inset: 0; }
.portrait::before {
  background:
    radial-gradient(circle at 50% 22%, rgba(255,238,208,.95) 0 13%, transparent 14%),
    radial-gradient(ellipse at 50% 56%, rgba(20,20,18,.82) 0 24%, transparent 25%),
    linear-gradient(135deg, var(--c1), var(--c2) 48%, var(--c3));
}
.portrait::after { inset: auto 16px 14px; height: 38px; border-radius: 50% 50% 8px 8px; background: rgba(255,255,255,.35); mix-blend-mode: soft-light; }
.p1{--c1:#0f385b;--c2:#7fb4d7;--c3:#e7dfc8}.p2{--c1:#18171b;--c2:#b54742;--c3:#ebc779}.p3{--c1:#c8b18b;--c2:#efe4d0;--c3:#3b4e48}.p4{--c1:#4b2e5f;--c2:#d883a5;--c3:#f6d56e}.p5{--c1:#0b0b0b;--c2:#f1f1ec;--c3:#8d9fa8}.p6{--c1:#27332c;--c2:#7f9565;--c3:#d7b17a}.p7{--c1:#213d60;--c2:#e5e0d4;--c3:#d8574b}.p8{--c1:#60412f;--c2:#c0a183;--c3:#2a2b2a}.p9{--c1:#1e1a35;--c2:#4ca2b8;--c3:#f09b64}

.detail-panel {
  position: absolute;
  z-index: 18;
  right: 24px;
  bottom: 22px;
  width: min(430px, 35vw);
  border: 1px solid rgba(214,189,130,.16);
  border-radius: 15px;
  padding: 22px 24px;
  background: var(--panel);
  box-shadow: 0 24px 66px rgba(0,0,0,.28);
  backdrop-filter: blur(14px);
}

.panel-label,
.core-entry span,
.panel-grid span { color: rgba(214,189,130,.55); font-size: 11px; letter-spacing: .17em; }
.detail-panel h2 { margin: 10px 0 0; font-family: "Noto Serif SC", serif; font-size: 32px; line-height: 1; letter-spacing: -.06em; }
.tagline { margin: 9px 0 0; color: var(--dim); font-size: 13px; }
.detail-panel blockquote { margin: 16px 0 18px; color: rgba(244,244,239,.78); line-height: 1.55; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.panel-grid div { border-top: 1px solid rgba(244,244,239,.1); padding-top: 11px; }
.panel-grid p { margin: 7px 0 0; color: rgba(244,244,239,.64); font-size: 12px; line-height: 1.55; }
.core-entry { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; border-top: 1px solid rgba(214,189,130,.16); padding-top: 17px; }
.core-entry button { height: 42px; border: 0; border-radius: 999px; padding: 0 18px; color: #111; background: var(--gold); cursor: pointer; transition: .22s ease; }
.core-entry button:hover { transform: translateY(-2px); background: var(--text); }

.hint-bar { position: absolute; left: 4.4vw; right: 4.4vw; bottom: 34px; display: flex; justify-content: space-between; color: rgba(244,244,239,.42); font-size: 13px; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 80; transform: translate(-50%,18px); border-radius: 999px; padding: 12px 18px; color: var(--text); background: rgba(0,0,0,.78); opacity: 0; pointer-events: none; transition: .24s ease; }
.toast.show { opacity: 1; transform: translate(-50%,0); }

@media (max-width: 900px) {
  body { overflow: auto; }
  .page { min-height: 100vh; height: auto; overflow: visible; }
  .eye-entry { width: 78px; height: 78px; top: 28px; }
  .cabinet { position: relative; left: auto; right: auto; bottom: auto; margin-top: 28px; height: 640px; }
  .detail-panel { width: calc(100% - 28px); right: 14px; left: 14px; }
  .master-item { width: 108px; height: 150px; }
  .portrait { width: 96px; height: 122px; }
  .master-item.is-active { --scale: 1.2; }
  .hint-bar { position: relative; left: auto; right: auto; bottom: auto; margin-top: 18px; gap: 8px; flex-wrap: wrap; }
}


/* Visual asset portraits */
.portrait{background:rgba(255,255,255,.045);border:0!important;outline:0!important}
.portrait::before,.portrait::after{display:none!important}
.portrait img{width:100%;height:100%;display:block;object-fit:cover;border:0!important;outline:0!important;box-shadow:none!important;filter:saturate(.98) contrast(1.03);transform:translateZ(0) scale(1.01);transition:filter .2s ease, transform .34s cubic-bezier(.22,1,.36,1)}
.master-item:hover .portrait img{transform:translateZ(0) scale(1.035)}
.master-item.is-muted .portrait img{filter:saturate(.82) brightness(.86)}
.master-item.is-active .portrait img{filter:saturate(1.04) contrast(1.06);transform:translateZ(0) scale(1.025)}
.master-item,.master-item *{outline:0!important;-webkit-tap-highlight-color:transparent}
.master-item::before,.master-item::after{content:none!important;display:none!important}

.lego-showcase {
  position: relative;
  height: 320vh;
  overflow: visible;
  scroll-snap-align: start;
  background: #20211f;
}

.showcase-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 42px 4.4vw 64px;
  background:
    radial-gradient(circle at 78% 18%, rgba(244,244,239,.045), transparent 18%),
    radial-gradient(circle at 12% 86%, rgba(214,189,130,.07), transparent 20%),
    #20211f;
  overflow: hidden;
}

.showcase-title {
  position: relative;
  z-index: 12;
}

.showcase-title p {
  margin: 0;
  color: rgba(244,244,239,.34);
  font-size: clamp(28px, 3.5vw, 54px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.04em;
}

.showcase-title h2 {
  margin: 14px 0 0;
  max-width: 1480px;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(52px, 6.2vw, 108px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.07em;
}

.showcase-eye {
  position: absolute;
  z-index: 18;
  top: 70px;
  right: 4.7vw;
  width: 116px;
  height: 116px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.07);
  cursor: pointer;
}

.showcase-eye span { position: relative; width: 42px; height: 26px; border: 3px solid currentColor; border-radius: 50% / 58%; }
.showcase-eye span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; border-radius: 50%; background: currentColor; transform: translate(-50%, -50%); }

.orbit-demo-card { display: contents; }

.circular-stage {
  position: absolute;
  z-index: 4;
  left: 4.4vw;
  right: 4.4vw;
  top: clamp(260px, 33vh, 360px);
  height: min(48vh, 560px);
  min-height: 440px;
  border-radius: 7px;
  background: #070707;
  overflow: hidden;
  box-shadow: 0 30px 86px rgba(0,0,0,.33);
  --spin: 0deg;
  --drift: 0px;
  --speed-blur: 0px;
  opacity: var(--orbit-opacity, 1);
  transform: scale(var(--orbit-scale, 1));
  transform-origin: center;
  transition: opacity .16s linear, transform .16s linear;
}

.circular-stage::before {
  content: "";
  position: absolute;
  inset: 18px 20px auto;
  z-index: 6;
  height: 32px;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(244,244,239,.92), rgba(244,244,239,.92)) left center / 135px 2px no-repeat,
    linear-gradient(90deg, rgba(244,244,239,.82), rgba(244,244,239,.82)) center center / 186px 2px no-repeat,
    linear-gradient(90deg, rgba(244,244,239,.92), rgba(244,244,239,.92)) right center / 156px 2px no-repeat;
  opacity: .9;
}

.demo-topline {
  position: absolute;
  z-index: 16;
  left: 20px;
  right: 20px;
  top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(244,244,239,.94);
  font-size: clamp(16px, 1.65vw, 30px);
  font-weight: 650;
  letter-spacing: -.07em;
  opacity: var(--orbit-ui-opacity, 1);
  transition: opacity .16s linear;
}

.orbit-ring {
  position: absolute;
  left: 50%;
  top: 66%;
  width: min(86vw, 980px);
  height: min(56vw, 620px);
  border: 1px dashed rgba(244,244,239,.055);
  border-radius: 999px;
  transform: translate(-50%, -50%) rotate(var(--spin));
}

.orbit-photo {
  position: absolute;
  left: 50%;
  top: 66%;
  width: var(--w, clamp(180px, 20vw, 380px));
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 24px 52px rgba(0,0,0,.48);
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--angle) + var(--spin)))
    translateY(calc(-1 * var(--radius)))
    translateY(calc(var(--drift) * var(--float, 0)))
    rotate(var(--tilt));
  transform-origin: center center;
  will-change: transform, filter;
  filter: blur(var(--speed-blur));
}

.orbit-photo img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: saturate(1.02) contrast(1.04);
}

.orbit-photo.c1 { --angle: -88deg; --radius: min(31vw, 360px); --tilt: -13deg; --float: -.12; --w: clamp(220px, 18vw, 330px); }
.orbit-photo.c2 { --angle: -58deg; --radius: min(31vw, 360px); --tilt: 8deg; --float: .1; --w: clamp(200px, 16vw, 300px); }
.orbit-photo.c3 { --angle: -28deg; --radius: min(31vw, 360px); --tilt: -4deg; --float: -.07; --w: clamp(210px, 17vw, 315px); }
.orbit-photo.c4 { --angle: 0deg; --radius: min(31vw, 360px); --tilt: 9deg; --float: .16; --w: clamp(220px, 18vw, 340px); }
.orbit-photo.c5 { --angle: 30deg; --radius: min(31vw, 360px); --tilt: -8deg; --float: -.12; --w: clamp(190px, 16vw, 300px); }
.orbit-photo.c6 { --angle: 60deg; --radius: min(31vw, 360px); --tilt: 11deg; --float: .18; --w: clamp(210px, 17vw, 315px); }
.orbit-photo.c7 { --angle: 90deg; --radius: min(31vw, 360px); --tilt: -6deg; --float: -.16; --w: clamp(200px, 16vw, 300px); }
.orbit-photo.c8 { --angle: 120deg; --radius: min(31vw, 360px); --tilt: 7deg; --float: .12; --w: clamp(220px, 18vw, 340px); }
.orbit-photo.c9 { --angle: 150deg; --radius: min(31vw, 360px); --tilt: -10deg; --float: -.14; --w: clamp(200px, 16vw, 300px); }

.showcase-description {
  position: absolute;
  z-index: 8;
  left: 4.4vw;
  right: 4.4vw;
  bottom: 58px;
  margin: 0;
  max-width: 980px;
  color: rgba(244,244,239,.78);
  font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  font-size: clamp(18px, 1.45vw, 26px);
  font-weight: 500;
  line-height: 1.62;
  letter-spacing: -.018em;
  opacity: var(--orbit-ui-opacity, 1);
  transition: opacity .16s linear;
}

.showcase-final {
  display: none;
}

.lego-build {
  position: relative;
  height: 260vh;
  overflow: visible;
  scroll-snap-align: start;
  background: #20211f;
}

.lego-build-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 42px 4.4vw 58px;
  background:
    radial-gradient(circle at 82% 16%, rgba(244,244,239,.05), transparent 18%),
    radial-gradient(circle at 16% 82%, rgba(214,189,130,.08), transparent 22%),
    #20211f;
  overflow: hidden;
}

.lego-build-title {
  position: relative;
  z-index: 10;
}

.lego-build-title p {
  margin: 0;
  color: rgba(244,244,239,.34);
  font-size: clamp(28px, 3.5vw, 54px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.04em;
}

.lego-build-title h2 {
  margin: 14px 0 0;
  max-width: 1380px;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(48px, 5.6vw, 96px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.07em;
}

.lego-build-rail {
  position: absolute;
  z-index: 5;
  left: 0;
  top: 28vh;
  width: max-content;
  display: flex;
  align-items: center;
  gap: clamp(34px, 4.2vw, 74px);
  padding: 0 8vw;
  transform: translate3d(var(--lego-slide, 18vw), 0, 0);
  will-change: transform;
  transition: transform .16s linear;
}

.lego-card {
  position: relative;
  flex: 0 0 auto;
  width: clamp(360px, 34vw, 660px);
  min-height: clamp(430px, 46vh, 620px);
  border-radius: 16px;
  padding: clamp(18px, 2vw, 34px);
  color: #10100e;
  box-shadow: 0 34px 88px rgba(0,0,0,.42);
  overflow: hidden;
  transform: rotate(var(--card-rot, 0deg));
}

.lego-card-red { --card-rot: -3deg; background: #ef4938; }
.lego-card-yellow { --card-rot: 1deg; background: #ffd943; }
.lego-card-green { --card-rot: -2deg; background: #78d09b; }

.lego-card img {
  width: 100%;
  height: clamp(210px, 25vh, 320px);
  display: block;
  object-fit: cover;
  border-radius: 10px;
  background: rgba(255,255,255,.42);
  image-rendering: auto;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08), 0 18px 36px rgba(0,0,0,.18);
}

.lego-card-copy {
  position: absolute;
  left: clamp(22px, 2.2vw, 38px);
  right: clamp(22px, 2.2vw, 38px);
  bottom: clamp(22px, 2.2vw, 38px);
  border-top: 1px dashed rgba(0,0,0,.42);
  padding-top: 22px;
}

.lego-card-copy span {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(14px, 1.2vw, 20px);
  font-weight: 800;
  letter-spacing: -.04em;
}

.lego-card-copy strong {
  display: block;
  max-width: 92%;
  font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  font-size: clamp(24px, 2.2vw, 42px);
  line-height: 1.12;
  letter-spacing: -.07em;
}

.lego-build-description {
  position: absolute;
  z-index: 8;
  left: 4.4vw;
  right: 4.4vw;
  bottom: 48px;
  margin: 0;
  max-width: 1040px;
  color: rgba(244,244,239,.78);
  font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  font-size: clamp(18px, 1.45vw, 26px);
  font-weight: 500;
  line-height: 1.62;
  letter-spacing: -.018em;
  opacity: var(--lego-copy-opacity, 1);
  transition: opacity .16s linear;
}

@media (max-width: 640px) {
  body {
    scroll-snap-type: none;
  }

  .page {
    min-height: 100svh;
    height: auto;
    padding: 28px 18px 28px;
    overflow: hidden;
  }

  .page-title p {
    font-size: clamp(38px, 16vw, 72px);
    letter-spacing: -.07em;
  }

  .page-title h1 {
    max-width: calc(100% - 76px);
    font-size: clamp(36px, 12vw, 58px);
    line-height: .98;
    letter-spacing: -.075em;
  }

  .eye-entry,
  .showcase-eye {
    top: 28px;
    right: 18px;
    width: 62px;
    height: 62px;
  }

  .eye-entry span,
  .showcase-eye span {
    width: 30px;
    height: 19px;
    border-width: 2px;
  }

  .eye-entry span::after,
  .showcase-eye span::after {
    width: 7px;
    height: 7px;
  }

  .cabinet {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    height: 58svh;
    min-height: 430px;
    margin-top: 24px;
    border-radius: 12px;
  }

  .cabinet::before {
    width: 520px;
    height: 230px;
    transform: translate(-50%, -46%);
  }

  .cabinet-topline {
    padding: 14px 16px 0;
    font-size: 13px;
  }

  .cabinet-topline span:first-child,
  .cabinet-topline span:last-child {
    display: none;
  }

  .cabinet-topline span:nth-child(2) {
    width: 100%;
    text-align: center;
  }

  .master-item {
    width: 92px;
    height: 126px;
  }

  .portrait {
    width: 82px;
    height: 104px;
    border-radius: 12px;
  }

  .master-item strong {
    padding: 5px 9px;
    font-size: 11px;
  }

  .master-item.is-active {
    --scale: 1.16;
  }

  .detail-panel {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    padding: 14px 16px;
    border-radius: 14px;
  }

  .panel-label,
  .tagline,
  .detail-panel blockquote,
  .panel-grid,
  .core-entry span {
    display: none;
  }

  .detail-panel h2 {
    margin: 0;
    font-size: 24px;
  }

  .core-entry {
    margin-top: 12px;
    padding-top: 12px;
  }

  .core-entry button {
    width: 100%;
    height: 40px;
    font-size: 14px;
  }

  .hint-bar {
    display: none;
  }

  .lego-showcase,
  .lego-build {
    height: 220svh;
  }

  .showcase-sticky,
  .lego-build-sticky {
    height: 100svh;
    padding: 28px 18px 32px;
  }

  .showcase-title p,
  .lego-build-title p {
    font-size: clamp(22px, 8vw, 34px);
    line-height: 1;
  }

  .showcase-title h2,
  .lego-build-title h2 {
    max-width: calc(100% - 74px);
    margin-top: 10px;
    font-size: clamp(34px, 10.8vw, 52px);
    line-height: 1.1;
    letter-spacing: -.06em;
  }

  .circular-stage {
    left: 18px;
    right: 18px;
    top: clamp(190px, 30svh, 250px);
    height: 43svh;
    min-height: 300px;
    border-radius: 12px;
  }

  .demo-topline {
    left: 12px;
    right: 12px;
    top: 12px;
    justify-content: center;
    gap: 14px;
    font-size: 13px;
  }

  .demo-topline span:first-child,
  .demo-topline span:last-child {
    display: none;
  }

  .circular-stage::before {
    inset: 10px 12px auto;
    background: linear-gradient(90deg, rgba(244,244,239,.75), rgba(244,244,239,.75)) center center / 132px 1px no-repeat;
  }

  .orbit-ring {
    top: 78%;
    width: 520px;
    height: 360px;
  }

  .orbit-photo {
    top: 78%;
    --radius: 185px;
    --w: 42vw;
    border-radius: 12px;
  }

  .showcase-description,
  .lego-build-description {
    left: 18px;
    right: 18px;
    bottom: 28px;
    max-width: none;
    color: rgba(244,244,239,.74);
    font-size: 15px;
    line-height: 1.58;
    letter-spacing: -.01em;
  }

  .lego-build-rail {
    top: 31svh;
    gap: 20px;
    padding: 0 20px;
  }

  .lego-card {
    width: 82vw;
    min-height: min(430px, 48svh);
    padding: 18px;
    border-radius: 14px;
  }

  .lego-card img {
    height: min(210px, 24svh);
    border-radius: 10px;
  }

  .lego-card-copy {
    left: 18px;
    right: 18px;
    bottom: 18px;
    padding-top: 16px;
  }

  .lego-card-copy span {
    font-size: 13px;
  }

  .lego-card-copy strong {
    font-size: clamp(22px, 7.6vw, 32px);
    line-height: 1.12;
  }
}

@media (max-width: 900px) {
  .showcase-sticky { padding: 34px 22px 42px; }
  .showcase-eye { width: 78px; height: 78px; top: 28px; }
  .showcase-title p { font-size: 24px; }
  .showcase-title h2 { max-width: calc(100% - 92px); font-size: clamp(38px, 10vw, 68px); }
  .orbit-demo-card { height: 56vh; min-height: 440px; margin-top: 34px; }
  .circular-stage { left: 22px; right: 22px; top: 230px; height: 48vh; min-height: 360px; }
  .circular-stage::before { inset: 14px 14px auto; background: linear-gradient(90deg, rgba(244,244,239,.82), rgba(244,244,239,.82)) center center / 168px 2px no-repeat; }
  .demo-topline { left: 14px; right: 14px; font-size: 15px; flex-wrap: wrap; }
  .orbit-ring { top: 78%; width: 680px; height: 440px; }
  .orbit-photo { top: 78%; --w: 40vw; --radius: 230px; }
  .showcase-description { max-width: calc(100% - 44px); font-size: 18px; bottom: 42px; }
  .showcase-final { width: min(680px, 86vw); font-size: clamp(34px, 9vw, 72px); letter-spacing: .04em; }
  .lego-build-sticky { padding: 34px 22px 42px; }
  .lego-build-title p { font-size: 24px; }
  .lego-build-title h2 { font-size: clamp(36px, 9vw, 64px); }
  .lego-build-rail { top: 30vh; gap: 24px; padding: 0 22px; }
  .lego-card { width: 78vw; min-height: 420px; }
  .lego-card img { height: 220px; }
  .lego-build-description { max-width: calc(100% - 44px); font-size: 18px; bottom: 38px; }
}

@media (max-width: 640px) {
  .showcase-sticky,
  .lego-build-sticky {
    padding: 28px 18px 32px;
  }

  .showcase-eye {
    top: 28px;
    right: 18px;
    width: 62px;
    height: 62px;
  }

  .showcase-title p,
  .lego-build-title p {
    font-size: clamp(22px, 8vw, 34px);
  }

  .showcase-title h2,
  .lego-build-title h2 {
    max-width: calc(100% - 74px);
    font-size: clamp(34px, 10.8vw, 52px);
    line-height: 1.1;
  }

  .circular-stage {
    left: 18px;
    right: 18px;
    top: clamp(190px, 30svh, 250px);
    height: 43svh;
    min-height: 300px;
  }

  .orbit-ring {
    width: 520px;
    height: 360px;
  }

  .orbit-photo {
    --w: 42vw;
    --radius: 185px;
  }

  .showcase-description,
  .lego-build-description {
    max-width: none;
    font-size: 15px;
    bottom: 28px;
  }

  .lego-build-rail {
    top: 31svh;
    gap: 20px;
    padding: 0 20px;
  }

  .lego-card {
    width: 82vw;
    min-height: min(430px, 48svh);
  }

  .lego-card img {
    height: min(210px, 24svh);
  }
}