/* Extended editorial chapters and motion. The base site works without animation. */
.desktop-nav { gap: 25px; margin-left: 3%; }
.reading-progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 60; pointer-events: none; }
.reading-progress span { display: block; height: 100%; width: 100%; background: #b69159; transform: scaleX(var(--read-progress, 0)); transform-origin: left; }
.chapter-title { font: 400 clamp(62px, 6.5vw, 100px)/.95 var(--serif); letter-spacing: -.05em; }
.chapter-title em { font-weight: 400; }
.hero-image { transform: translate3d(var(--hero-x, 0px), var(--hero-y, 0px), 0) scale(var(--hero-scale, 1.025)); transition: filter 1.5s, rotate 1.5s; }
.hero.is-shifted .hero-image { transform: translate3d(var(--hero-x, 0px), var(--hero-y, 0px), 0) rotate(180deg) scale(var(--hero-scale, 1.025)); }
.focus-frame { translate: var(--frame-x, 0px) var(--frame-y, 0px); }
.focus-frame::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px; background: #fff9; opacity: 0; }
html[data-motion=on] .hero-title-block { animation: title-arrive 1.5s cubic-bezier(.16, 1, .3, 1) both; }
html[data-motion=on] .hero-detail, html[data-motion=on] .hero-cta { animation: detail-arrive 1.2s .35s both; }
html[data-motion=on] .title-star { animation: orbit-turn 24s linear infinite; }
html[data-motion=on] .focus-frame::after { animation: focus-scan 7s ease-in-out infinite; }
@keyframes title-arrive { from { opacity: 0; transform: translateY(45px); filter: blur(9px); } to { opacity: 1; transform: translateY(0); filter: blur(0); } }
@keyframes detail-arrive { from { opacity: 0; translate: 0 22px; } to { opacity: 1; translate: 0 0; } }
@keyframes orbit-turn { to { rotate: 360deg; } }
@keyframes focus-scan { 0%, 100% { top: 0; opacity: 0; } 12%, 70% { opacity: .6; } 85% { top: 100%; opacity: 0; } }

.perception { display: grid; grid-template-columns: 1fr 2.45fr; gap: 7%; padding-top: 112px; padding-bottom: 108px; min-height: 620px; }
.perception-side { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; }
.perception-side .eyebrow { font-size: 9px; }
.perception-orbit { display: block; font-size: 106px; font-weight: 300; line-height: 1; margin: 35px 0; }
.perception-coordinate { color: var(--muted); font-size: 8px; }
.perception h2 { font: 400 clamp(60px, 6.8vw, 106px)/1.01 var(--serif); letter-spacing: -.05em; }
.reveal-word { --word-fill: 100%; background-image: linear-gradient(90deg, var(--ink) var(--word-fill), #b9b8ab var(--word-fill)); color: transparent; background-clip: text; -webkit-background-clip: text; }
.perception-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 38px; margin-top: 44px; border-top: 1px solid var(--line); }
.perception-bottom p { font-size: 12px; line-height: 1.8; }
.perception-bottom .micro { color: var(--muted); font-size: 8px; }
.collection { border-top: 1px solid var(--line); }

.material-lab { display: grid; grid-template-columns: 41% 59%; background: #22241f; color: #e9e6da; margin-top: 45px; }
.material-intro { padding: 80px 12% 50px 10.75%; display: flex; flex-direction: column; align-items: flex-start; }
.material-intro .eyebrow { color: #b0b1a4; font-size: 9px; }
.material-intro h2 { margin-top: 18px; }
.material-intro-text { font-size: 11px; line-height: 1.9; color: #b3b4a8; margin: 35px 0 45px; }
.material-tabs { display: flex; flex-direction: column; width: 100%; margin-bottom: 50px; }
.material-tabs button { display: flex; align-items: center; gap: 17px; border-top: 1px solid #e9e6da24; padding: 17px 0; text-align: left; font-size: 11px; color: #8d9184; transition: color .3s, padding .3s; }
.material-tabs button:last-child { border-bottom: 1px solid #e9e6da24; }
.material-tabs button[aria-selected=true] { color: #f8f3e5; padding-left: 9px; }
.material-tabs button sup { margin-left: auto; font-size: 8px; }
.material-dot { width: 10px; height: 10px; border-radius: 50%; background: #999; box-shadow: 0 0 0 3px #ffffff07; }
.dot-chrome { background: linear-gradient(130deg, #6f756f, #f8f8ee 45%, #8e938c); }
.dot-amber { background: #9b691f; }
.dot-obsidian { background: #141811; border: 1px solid #707366; }
.material-library-note { font-size: 8px; color: #8d9184; margin-top: auto; }
.material-panel { position: relative; overflow: hidden; min-height: 800px; background: #111410; isolation: isolate; }
.material-photo { position: absolute; inset: 0; background-image: url('assets/materials.png'); background-size: 300% auto; background-repeat: no-repeat; background-position: 0 center; transform: scale(1.04) translate3d(var(--material-x, 0px), var(--material-y, 0px), 0); }
.material-photo.pos-1 { background-position: 50% center; }
.material-photo.pos-2 { background-position: 100% center; }
.material-panel::after { content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: linear-gradient(0deg, #0b0e0aeb, transparent 43%, #0b0e0a24 80%, #0b0e0a66); }
.material-highlight { position: absolute; inset: 0; background: radial-gradient(circle 270px at var(--light-x, 50%) var(--light-y, 45%), #dcd1b022, transparent 85%); mix-blend-mode: screen; pointer-events: none; }
.material-frame { position: absolute; inset: 13% 13% 29%; border: 1px solid #dddcc636; z-index: 1; pointer-events: none; transform: rotate(var(--material-angle, -5deg)); }
.material-frame span { position: absolute; font-size: 16px; line-height: 1; color: #d9dac4; }
.material-frame span:nth-child(1) { top: -9px; left: -5px; }
.material-frame span:nth-child(2) { top: -9px; right: -5px; }
.material-frame span:nth-child(3) { bottom: -7px; left: -5px; }
.material-frame span:nth-child(4) { bottom: -7px; right: -5px; }
.material-photo-top { position: absolute; top: 31px; left: 35px; right: 35px; display: flex; justify-content: space-between; font-size: 8px; z-index: 2; color: #d1d2c5; }
.material-photo-bottom { position: absolute; left: 40px; right: 40px; bottom: 45px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; z-index: 2; }
.material-number { font: italic 400 102px/1 var(--serif); letter-spacing: -.06em; color: #bebfae; }
.material-photo-bottom h3 { font: 400 34px/1.1 var(--serif); letter-spacing: -.025em; }
.material-photo-bottom p { font-size: 10px; color: #b4b8a9; line-height: 1.7; margin-top: 12px; max-width: 245px; }
.material-orbit { font-size: 32px; }
.moving-type { overflow: hidden; border-bottom: 1px solid var(--line); padding: 28px 0 30px; background: #d8d6cb; }
.moving-type-track { display: flex; width: max-content; gap: 0; }
.moving-type-track > span { flex-shrink: 0; white-space: nowrap; padding: 0 30px; font-size: 37px; line-height: 1.4; font-weight: 400; letter-spacing: -.045em; }
.moving-type-track em { font-family: var(--serif); font-size: 1.6em; line-height: 1; }
.moving-type-track b { font-weight: 400; margin-left: 45px; }
html[data-motion=on] .moving-type-track { animation: editorial-marquee 32s linear infinite; }
html[data-motion=on] .material-orbit { animation: orbit-turn 24s linear infinite; }
@keyframes editorial-marquee { to { transform: translateX(-50%); } }
.campaign { margin-top: 0; }

.anatomy { padding-top: 115px; padding-bottom: 110px; }
.anatomy-layout { display: grid; grid-template-columns: 1.65fr 1fr; gap: 0; border: 1px solid var(--line); }
.anatomy-stage { position: relative; min-height: 555px; overflow: hidden; background: #dcdad4; }
.anatomy-product { position: absolute; width: 100%; height: 100%; inset: 0; background-position: 0 center; transform: rotate(var(--object-angle, 0deg)) scale(1.02); }
.anatomy-crosshair { position: absolute; z-index: 1; inset: 8%; border: 1px solid #999d902e; pointer-events: none; }
.anatomy-crosshair::before { content: ''; position: absolute; left: 50%; height: 100%; border-left: 1px solid #999d902e; }
.anatomy-crosshair::after { content: ''; position: absolute; top: 50%; width: 100%; border-top: 1px solid #999d902e; }
.anatomy-model { position: absolute; top: 23px; left: 25px; font-size: 8px; z-index: 1; }
.anatomy-hint { position: absolute; bottom: 24px; right: 26px; font-size: 8px; z-index: 1; }
.detail-hotspot { position: absolute; z-index: 2; width: 40px; height: 40px; border: 1px solid #f6f5ea; border-radius: 50%; background: #e8e7d8b3; font-size: 10px; box-shadow: 0 0 0 5px #ede9db30; transition: background .3s, color .3s, scale .3s; }
.detail-hotspot:hover { scale: 1.15; }
.detail-hotspot[aria-pressed=true] { background: #272b23; color: #f2efe0; box-shadow: 0 0 0 6px #272b2320; }
.detail-hotspot[aria-pressed=true]::after { content: ''; position: absolute; inset: -7px; border: 1px solid #282b2444; border-radius: 50%; }
.hotspot-0 { left: 13%; top: 39%; }
.hotspot-1 { left: 45%; top: 61%; }
.hotspot-2 { left: 79%; top: 36%; }
html[data-motion=on] .detail-hotspot[aria-pressed=true]::after { animation: hotspot-pulse 3s ease-out infinite; }
@keyframes hotspot-pulse { 0% { scale: .85; opacity: 1; } 90%, 100% { scale: 1.45; opacity: 0; } }
.anatomy-detail { padding: 42px 12% 28px; display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
.anatomy-count { font: italic 400 70px/1 var(--serif); letter-spacing: -.05em; color: #85897b; margin-bottom: 35px; }
.anatomy-count span { font: 8px var(--sans); letter-spacing: 0; margin-left: 15px; color: var(--muted); }
.anatomy-detail .eyebrow { font-size: 8px; margin-bottom: 22px; }
.anatomy-detail h3 { font: 400 clamp(38px, 3.6vw, 58px)/1 var(--serif); letter-spacing: -.045em; }
.anatomy-detail > div > p:last-child { font-size: 11px; line-height: 1.9; color: #686d60; margin-top: 26px; max-width: 270px; }
.detail-pagination { display: flex; align-items: center; justify-content: space-between; margin-top: 40px; border-top: 1px solid var(--line); padding-top: 17px; }
.detail-pagination button { width: 35px; height: 35px; font-size: 22px; }
.detail-pagination .micro { font-size: 7px; }

.visual-sequence { background: #d4d4c9; }
.sequence-sticky { padding: 55px 0 25px; }
.sequence-header { display: flex; justify-content: space-between; align-items: end; gap: 30px; padding: 0 var(--gutter); margin-bottom: 35px; }
.sequence-header .eyebrow { font-size: 8px; margin-bottom: 16px; }
.sequence-header .chapter-title { font-size: 64px; }
.sequence-header-right { display: flex; gap: 45px; align-items: center; }
.sequence-instruction { font-size: 8px; color: #676d5f; max-width: 160px; }
.sequence-controls { display: flex; align-items: center; gap: 21px; }
.sequence-controls button { font-size: 22px; height: 40px; width: 36px; }
.sequence-controls .micro { font-size: 8px; white-space: nowrap; }
.sequence-controls b { font-weight: 400; }
.sequence-window { overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; }
.sequence-window::-webkit-scrollbar { display: none; }
.sequence-track { display: flex; position: relative; gap: 30px; padding: 0 var(--gutter); width: max-content; }
.sequence-card { margin: 0; width: 73vw; max-width: 1350px; flex-shrink: 0; scroll-snap-align: center; }
.sequence-image { position: relative; height: min(60vw, 600px); overflow: hidden; background: #8b8d80; }
.sequence-image img { width: 100%; height: 100%; object-fit: cover; }
.sequence-card-index { position: absolute; top: 23px; left: 25px; font: italic 400 65px/1 var(--serif); color: #f0edde; letter-spacing: -.08em; }
.sequence-card figcaption { display: flex; justify-content: space-between; align-items: center; margin-top: 13px; gap: 15px; }
.sequence-card figcaption > span:first-child { font: italic 400 29px/1.3 var(--serif); letter-spacing: -.025em; }
.sequence-card figcaption .micro { font-size: 7px; }
.sequence-card-type .sequence-image img { transform: scale(1.5); object-position: 95% center; filter: brightness(.65) saturate(.5); }
.sequence-type { position: absolute; left: 9%; top: 8%; font: 400 clamp(110px, 16vw, 260px)/.73 var(--serif); letter-spacing: -.055em; color: #eeebda; }
.sequence-type em { font-weight: 400; margin-left: 16%; }
.sequence-progress { height: 1px; background: #5e655632; margin: 28px var(--gutter) 0; }
.sequence-progress span { display: block; width: 100%; height: 100%; background: #49503f; transform: scaleX(var(--sequence-progress, .025)); transform-origin: left; }
@media (min-width: 900px) {
  html[data-motion=on] .visual-sequence { height: 260svh; }
  html[data-motion=on] .sequence-sticky { position: sticky; top: 0; height: 100svh; padding-top: 42px; }
  html[data-motion=on] .sequence-window { overflow: hidden; }
  html[data-motion=on] .sequence-track { transform: translate3d(var(--sequence-x, 0px), 0, 0); }
  html[data-motion=on] .sequence-image { height: calc(100svh - 290px); min-height: 210px; }
}

.field-notes { display: grid; grid-template-columns: 1fr 1.45fr; gap: 11%; padding-top: 85px; padding-bottom: 110px; border-top: 1px solid var(--line); }
.notes-intro .chapter-title { font-size: clamp(55px, 5.7vw, 88px); }
.notes-intro .eyebrow { font-size: 8px; }
.notes-mark { display: block; font-size: 52px; line-height: 1; margin: 36px 0 38px; }
.notes-intro > .micro:last-child { font-size: 8px; color: var(--muted); }
.notes-list { padding-top: 9px; }
.note { border-top: 1px solid var(--line); }
.note:last-child { border-bottom: 1px solid var(--line); }
.note summary { display: flex; align-items: center; gap: 30px; list-style: none; cursor: pointer; min-height: 102px; padding: 20px 0; }
.note summary::-webkit-details-marker { display: none; }
.note summary > .micro { font-size: 8px; color: var(--muted); }
.note h3 { font: 400 clamp(24px, 2.25vw, 37px)/1.1 var(--serif); letter-spacing: -.025em; }
.note-plus { margin-left: auto; font-size: 25px; font-weight: 300; transition: rotate .35s; }
.note[open] .note-plus { rotate: 45deg; }
.note-body { padding: 0 45px 33px 43px; }
.note-body p { color: #707567; font-size: 12px; line-height: 1.85; max-width: 400px; }
.note-body > .micro { display: block; font-size: 7px; color: #8b8d81; margin-top: 25px; }
html[data-motion=on] .note[open] .note-body { animation: note-open .4s ease-out; }
@keyframes note-open { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.closing-statement { padding: 80px var(--gutter) 35px; min-height: 560px; position: relative; isolation: isolate; text-align: center; overflow: hidden; background: #c8c8ba; }
.closing-statement h2 { font: 400 clamp(65px, 7.5vw, 120px)/1.01 var(--serif); letter-spacing: -.05em; margin: 38px 0; }
.closing-statement .eyebrow { font-size: 8px; }
.closing-link { display: inline-flex; gap: 35px; align-items: center; border-bottom: 1px solid #5c625679; padding: 10px 2px; text-transform: uppercase; font-size: 9px; }
.closing-link > span:last-child { font-size: 25px; transition: translate .3s; }
.closing-link:hover > span:last-child { translate: 4px -4px; }
.closing-footnote { display: block; font-size: 7px; margin-top: 64px; color: #73786a; }
.closing-lines { position: absolute; inset: -50% 0; z-index: -1; pointer-events: none; transform: rotate(var(--closing-angle, -15deg)); }
.closing-lines > span { display: block; width: 64%; height: 100%; position: absolute; left: 18%; border: 1px solid #7d827047; border-radius: 50%; }
.closing-lines > span:nth-child(2) { rotate: 60deg; }
.closing-lines > span:nth-child(3) { rotate: 120deg; }
.motion-toggle { position: fixed; left: 18px; bottom: 15px; z-index: 34; display: flex; align-items: center; gap: 9px; padding: 9px 12px; border: 1px solid #999f8b55; background: #e6e7dbde; color: #30382a; backdrop-filter: blur(8px); font-size: 8px; text-transform: uppercase; letter-spacing: .03em; }
.motion-icon { display: flex; align-items: center; gap: 2px; height: 12px; }
.motion-icon i { display: block; width: 1px; height: 10px; background: currentColor; }
.motion-icon i:nth-child(2) { height: 5px; }
.motion-icon i:nth-child(3) { height: 7px; }
html[data-motion=on] .motion-icon i { animation: motion-bars 1.2s ease-in-out infinite alternate; }
html[data-motion=on] .motion-icon i:nth-child(2) { animation-delay: -.3s; }
html[data-motion=on] .motion-icon i:nth-child(3) { animation-delay: -.6s; }
@keyframes motion-bars { to { transform: scaleY(.3); } }
html[data-motion=off] .hero-image, html[data-motion=off] .hero.is-shifted .hero-image { transition: none; }
html[data-motion=off] .hero-image { transform: none; }
html[data-motion=off] .hero.is-shifted .hero-image { transform: rotate(180deg); }
html[data-motion=off] .reveal { opacity: 1; transform: none; transition: none; }
html[data-motion=off] .focus-frame { translate: none; }
html[data-motion=off] .material-photo { transform: none; }
html[data-motion=off] .reveal-word { --word-fill: 100% !important; }

html[lang=zh-Hant] h2.chapter-title { font-size: clamp(46px, 5.2vw, 76px); line-height: 1.2; }
html[lang=zh-Hant] .perception h2 { font-size: clamp(50px, 5.7vw, 86px); line-height: 1.22; }
html[lang=zh-Hant] .closing-statement h2 { font-size: clamp(44px, 6.2vw, 94px); line-height: 1.25; }
html[lang=zh-Hant] .sequence-header .chapter-title { font-size: 49px; }
html[lang=zh-Hant] .anatomy-detail h3 { font-size: 38px; line-height: 1.25; }
html[lang=zh-Hant] .material-photo-bottom h3 { font-size: 27px; }
html[lang=zh-Hant] .note h3 { font-family: 'PMingLiU', serif; font-size: 25px; }

@media (max-width: 1100px) {
  .desktop-nav { gap: 20px; margin-left: 0; }
  .perception { gap: 5%; grid-template-columns: 1fr 2.5fr; min-height: 570px; }
  .perception h2 { font-size: 7.5vw; }
  .material-intro { padding: 65px 10% 40px; }
  .material-intro .chapter-title { font-size: 68px; }
  .material-panel { min-height: 720px; }
  .material-photo-bottom { left: 27px; right: 27px; gap: 20px; }
  .material-number { font-size: 77px; }
  .material-photo-bottom h3 { font-size: 29px; }
  .material-orbit { display: none; }
  .anatomy-layout { grid-template-columns: 1.4fr 1fr; }
  .anatomy-stage { min-height: 510px; }
  .anatomy-detail { padding: 33px 10% 24px; }
  .anatomy-detail h3 { font-size: 45px; }
  .sequence-header-right { gap: 25px; }
  .field-notes { gap: 7%; }
}
@media (max-width: 760px) {
  .perception { grid-template-columns: 1fr; padding-top: 62px; padding-bottom: 58px; min-height: 0; gap: 30px; }
  .perception-side { flex-direction: row; align-items: center; gap: 18px; }
  .perception-side .eyebrow { font-size: 7px; margin-bottom: 0; }
  .perception-orbit { font-size: 48px; margin: 0; }
  .perception-coordinate { display: none; }
  .perception h2 { font-size: 12.8vw; }
  .perception-bottom { margin-top: 30px; padding-top: 22px; gap: 15px; }
  .perception-bottom p { font-size: 10px; }
  .perception-bottom .micro { font-size: 6px; }
  .material-lab { grid-template-columns: 1fr; margin-top: 14px; }
  .material-intro { padding: 53px 7% 35px; }
  .material-intro .eyebrow { font-size: 7px; }
  .material-intro .chapter-title { font-size: 17vw; margin-top: 7px; }
  .material-intro-text { font-size: 10px; margin: 27px 0 26px; }
  .material-tabs { flex-direction: row; gap: 24px; margin-bottom: 0; }
  .material-tabs button { font-size: 9px; gap: 8px; border: 0; padding: 13px 0; }
  .material-tabs button:last-child { border-bottom: 0; }
  .material-tabs button[aria-selected=true] { padding-left: 0; border-bottom: 1px solid #ebeadd; }
  .material-tabs button sup { margin-left: 0; font-size: 6px; }
  .material-dot { width: 7px; height: 7px; }
  .material-library-note { display: none; }
  .material-panel { min-height: 0; height: 119vw; max-height: 620px; }
  .material-photo { background-size: 360% auto; }
  .material-photo-top { top: 23px; left: 23px; right: 23px; font-size: 6px; }
  .material-photo-bottom { left: 25px; right: 25px; bottom: 25px; gap: 24px; }
  .material-number { font-size: 78px; }
  .material-photo-bottom h3 { font-size: 31px; }
  .material-photo-bottom p { font-size: 9px; line-height: 1.8; margin-top: 8px; }
  .moving-type { padding: 20px 0; }
  .moving-type-track > span { font-size: 22px; padding: 0 22px; }
  .moving-type-track b { margin-left: 25px; }
  .anatomy { padding-top: 65px; padding-bottom: 60px; }
  .anatomy .section-heading h2 { font-size: 11.3vw; }
  .anatomy-layout { grid-template-columns: 1fr; }
  .anatomy-stage { min-height: 0; height: 91vw; }
  .anatomy-model { top: 20px; left: 19px; font-size: 7px; }
  .anatomy-hint { bottom: 17px; right: 17px; font-size: 6px; }
  .detail-hotspot { width: 34px; height: 34px; font-size: 8px; }
  .hotspot-2 { left: 77%; }
  .anatomy-detail { min-height: 410px; padding: 29px 8% 18px; }
  .anatomy-count { font-size: 56px; margin-bottom: 25px; }
  .anatomy-detail h3 { font-size: 49px; }
  .anatomy-detail .eyebrow { font-size: 7px; margin-bottom: 17px; }
  .anatomy-detail > div > p:last-child { font-size: 10px; margin-top: 19px; max-width: 100%; }
  .detail-pagination { margin-top: 25px; padding-top: 10px; }
  .sequence-sticky { padding: 44px 0 26px; }
  .sequence-header { gap: 10px; margin-bottom: 26px; align-items: flex-end; }
  .sequence-header .eyebrow { font-size: 6px; margin-bottom: 19px; }
  .sequence-header .chapter-title { font-size: 13vw; }
  .sequence-instruction { display: none; }
  .sequence-controls { gap: 8px; }
  .sequence-controls button { width: 24px; font-size: 20px; }
  .sequence-controls .micro { font-size: 7px; }
  .sequence-track { gap: 16px; }
  .sequence-card { width: 86vw; }
  .sequence-image { height: 110vw; max-height: 570px; }
  .sequence-image img { object-position: 70% center; }
  .sequence-card-index { font-size: 53px; left: 20px; top: 20px; }
  .sequence-card figcaption { gap: 10px; margin-top: 12px; }
  .sequence-card figcaption > span:first-child { font-size: 25px; }
  .sequence-card figcaption .micro { font-size: 5px; text-align: right; }
  .sequence-type { font-size: 34vw; top: 20%; }
  .sequence-progress { margin-top: 22px; }
  .field-notes { grid-template-columns: 1fr; padding-top: 60px; padding-bottom: 66px; gap: 35px; }
  .notes-intro .chapter-title { font-size: 66px; }
  .notes-mark, .notes-intro > .micro:last-child { display: none; }
  .note summary { min-height: 86px; gap: 20px; }
  .note h3 { font-size: 27px; }
  .note-body { padding: 0 15px 29px 30px; }
  .note-body p { font-size: 11px; }
  .note-body > .micro { font-size: 6px; margin-top: 20px; }
  .closing-statement { min-height: 390px; padding-top: 57px; padding-bottom: 30px; }
  .closing-statement h2 { font-size: 12vw; margin: 32px 0 28px; }
  .closing-statement .eyebrow { font-size: 7px; }
  .closing-footnote { font-size: 5px; margin-top: 49px; }
  .closing-lines { inset: -15% -60%; }
  .motion-toggle { left: 10px; bottom: 10px; padding: 8px 9px; font-size: 6px; gap: 7px; }
  html[lang=zh-Hant] .perception h2 { font-size: 11.6vw; }
  html[lang=zh-Hant] h2.chapter-title { font-size: 13vw; }
  html[lang=zh-Hant] .material-photo-bottom h3 { font-size: 23px; }
  html[lang=zh-Hant] .sequence-header .chapter-title { font-size: 10vw; }
  html[lang=zh-Hant] .anatomy-detail h3 { font-size: 34px; }
  html[lang=zh-Hant] .note h3 { font-size: 22px; }
  html[lang=zh-Hant] .closing-statement h2 { font-size: 9.8vw; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .reveal-word { --word-fill: 100% !important; }
  .hero-title-block, .hero-detail, .hero-cta { animation: none !important; }
}