:root {
  --yellow: #f0b429;
  --yellow-hover: #e5a520;
  --ink: #111;
  --paper: #f4f2ed;
  --white: #fff;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --panel-width: 820px;
  --panel-max-width: 90vw;
  --panel-surface: #f6ab00;
  --panel-motion-duration: .5s;
  --panel-backdrop-duration: .35s;
  --panel-close-size: 40px;
  --panel-close-offset: 20px;
  --panel-content-inline: 50px;
  --panel-content-bottom: 64px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000;
  color: var(--white);
  font-family: "Helvetica Neue", "Segoe UI", Arial, sans-serif;
}

html:lang(zh-CN) body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

html:lang(zh-CN) .section-content h1,
html:lang(zh-CN) .section-content h2 {
  letter-spacing: 0;
  line-height: 1.15;
  overflow-wrap: break-word;
}

html:lang(zh-CN) .panel-title,
html:lang(zh-CN) .panel-scroll > h2 {
  letter-spacing: 0;
  line-height: 1.04;
  overflow-wrap: break-word;
}

html:lang(zh-CN) .section-content p {
  line-height: 1.5;
  text-wrap: pretty;
}

html:lang(zh-CN) .panel-scroll p {
  line-height: 1.62;
  text-wrap: pretty;
}

html:lang(zh-CN) .panel-kicker,
html:lang(zh-CN) .news-trigger,
html:lang(zh-CN) .yellow-action {
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body.is-locked {
  overflow: hidden;
}

body.intro-active {
  touch-action: none;
}

body.intro-active .site-header,
body.intro-active .chapter-rail,
body.intro-active .action-dock,
body.intro-active .scroll-cue,
body.intro-active .scroll-container,
body.intro-active .panel-backdrop,
body.intro-active .side-panel {
  pointer-events: none;
}

[data-locale-only][hidden],
html[data-locale="en"] [data-locale-only="zh"],
html[data-locale="zh"] [data-locale-only="en"],
html:not([data-locale])[data-default-lang="zh"] [data-locale-only="en"],
html:not([data-locale]):not([data-default-lang="zh"]) [data-locale-only="zh"] {
  display: none !important;
}

html[data-intro-state="skip"] .intro-overlay {
  display: none;
}

.intro-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: #000;
  color: #fff;
  isolation: isolate;
  touch-action: none;
  transition: opacity .3s var(--ease), visibility .3s step-end;
}

.intro-overlay[hidden] {
  display: none;
}

.intro-overlay.is-leaving {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.intro-video {
  position: absolute;
  z-index: -1;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  background: #000;
}

.intro-controls {
  position: absolute;
  right: max(28px, env(safe-area-inset-right));
  bottom: max(28px, env(safe-area-inset-bottom));
  display: flex;
  gap: 10px;
}

.intro-control {
  display: inline-flex;
  min-width: 152px;
  min-height: 48px;
  padding: 13px 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 0;
  background: rgba(0, 0, 0, .52);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

#introSkip,
.intro-control--primary {
  border-color: var(--yellow);
  background: var(--yellow);
  color: #000;
  backdrop-filter: none;
}

.intro-external {
  text-decoration: none;
}

.intro-control:hover,
.intro-control:focus-visible {
  border-color: var(--yellow);
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}

.intro-control--primary {
  position: fixed;
  top: 50%;
  left: 50%;
  min-width: 180px;
  transform: translate(-50%, -50%);
}

.intro-status {
  position: absolute;
  right: 28px;
  bottom: 90px;
  left: 28px;
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  text-align: right;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .9);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 500;
  padding: 10px 14px;
  background: #000;
  color: #fff;
  transform: translateY(-150%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 30px;
  right: 40px;
  z-index: 130;
}

.brand {
  display: block;
  width: clamp(205px, 14vw, 270px);
  outline-offset: 8px;
}

.brand img {
  width: 100%;
  height: auto;
}

.video-replay {
  position: fixed;
  top: 30px;
  left: 40px;
  display: inline-flex;
  min-width: 141px;
  min-height: 42px;
  padding: 10px 15px 10px 11px;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(240, 180, 41, .82);
  border-radius: 0;
  background: rgba(0, 0, 0, .64);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .025em;
  cursor: pointer;
  backdrop-filter: blur(7px);
  transition: background .2s ease, color .2s ease;
}

.video-replay svg {
  width: 20px;
  height: 20px;
  fill: var(--yellow);
}

.video-replay:hover,
.video-replay:focus-visible {
  background: var(--yellow);
  color: #000;
  outline: 2px solid #000;
  outline-offset: 3px;
}

.video-replay:hover svg,
.video-replay:focus-visible svg {
  fill: #000;
}

.scroll-container {
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: none;
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}

.scroll-container::-webkit-scrollbar {
  display: none;
}

.scroll-container.is-locked {
  overflow-y: hidden;
}

.chapter {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  isolation: isolate;
}

.chapter-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.chapter-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.chapter-shade--hero {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .50) 0%, rgba(0, 0, 0, .26) 38%, rgba(0, 0, 0, .07) 64%, transparent 78%),
    linear-gradient(180deg, rgba(0, 0, 0, .08), transparent 35%);
}

.chapter-shade--left {
  background: linear-gradient(90deg, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .34) 38%, transparent 67%);
}

.section-content {
  position: relative;
  z-index: 2;
  width: min(800px, 48vw);
  padding: 10.7vh 0 60px 50px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.chapter.is-active .section-content {
  opacity: 1;
  transform: translateY(0);
}

.section-content--light {
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .32);
}

.section-content--dark {
  color: #171717;
  text-shadow: none;
}

.section-content h1,
.section-content h2 {
  margin: 0 0 30px;
  font-size: clamp(46px, 3.05vw, 58px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.035em;
}

.section-content p {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: clamp(20px, 1.55vw, 30px);
  font-weight: 350;
  line-height: 1.45;
  letter-spacing: .005em;
}

#chapter-04 .section-content {
  width: min(690px, 42vw);
}

#chapter-04 .section-content p {
  font-size: clamp(18px, 1.34vw, 26px);
}

#chapter-03 .section-content {
  width: min(1040px, 60vw);
}

#chapter-03 .section-content p {
  max-width: 800px;
}

.closing-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: grid;
  grid-template-columns: 42% 58%;
  background: #d8d7d1;
}

.closing-visual {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.closing-visual--bag {
  object-position: 50% 50%;
}

.closing-visual--interior {
  object-position: 50% 50%;
}

.scroll-cue {
  position: fixed;
  min-width: 59px;
  left: 50%;
  bottom: 36px;
  z-index: 115;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: rgba(255, 255, 255, .9);
  font-size: 12px;
  letter-spacing: .16em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
  transition: opacity .3s ease, visibility .3s ease;
  animation: cue-bounce 1.8s ease-in-out infinite;
}

.scroll-cue svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.scroll-cue.is-hidden {
  opacity: 0;
  visibility: hidden;
}

@keyframes cue-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

.chapter-rail {
  position: fixed;
  top: 50%;
  right: 36px;
  z-index: 120;
  width: 64px;
  height: 260px;
  transform: translateY(-50%);
}

.chapter-rail ol {
  position: absolute;
  inset: -5px -4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chapter-rail li {
  height: 10px;
}

.chapter-rail a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  height: 10px;
  color: rgba(255, 255, 255, .56);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-decoration: none;
  transition: color .25s ease, transform .25s ease;
}

.chapter-rail a i {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .58);
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}

.chapter-rail a[aria-current="true"] {
  color: var(--yellow);
  font-weight: 700;
}

.chapter-rail a[aria-current="true"] i {
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(240, 180, 41, .18), 0 0 18px rgba(240, 180, 41, .85);
  transform: scale(1.2);
}

.chapter-rail a:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 5px;
}

.rail-track {
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  overflow: hidden;
  background: rgba(255, 255, 255, .24);
}

#railProgress {
  display: block;
  width: 100%;
  height: 0;
  background: var(--yellow);
  transition: height .6s var(--ease);
}

.action-dock {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: 125;
  display: flex;
  width: 300px;
  flex-direction: column;
  align-items: stretch;
}

.action-dock[hidden] {
  display: none;
}

.yellow-action {
  display: flex;
  width: 300px;
  min-height: 54px;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 16px 28px;
  border: 0;
  border-radius: 0;
  background: var(--yellow);
  box-shadow: 0 4px 20px rgba(240, 180, 41, .35);
  color: #000;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: .02em;
  text-align: left;
  cursor: pointer;
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}

.yellow-action:hover {
  z-index: 1;
  background: var(--yellow-hover);
  box-shadow: 0 7px 25px rgba(240, 180, 41, .48);
  transform: translateY(-2px);
}

.yellow-action:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid #000;
  outline-offset: -5px;
}

.yellow-action__icon {
  display: block;
  flex: 0 0 15px;
  width: 15px;
  height: 16px;
  background: #000;
  font-style: normal;
  clip-path: polygon(22% 0, 100% 0, 78% 100%, 0 100%);
}

.panel-backdrop {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(0, 0, 0, .18);
  opacity: 0;
  transition: opacity var(--panel-backdrop-duration) ease;
}

.panel-backdrop.is-visible {
  opacity: 1;
}

.panel-backdrop[hidden] {
  display: none;
}

.side-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 300;
  width: var(--panel-width);
  max-width: var(--panel-max-width);
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--panel-surface);
  color: var(--ink);
  box-shadow: -18px 0 46px rgba(0, 0, 0, .28);
  visibility: hidden;
  transform: translateX(105%);
  transition: transform var(--panel-motion-duration) var(--ease), visibility 0s linear var(--panel-motion-duration);
}

.side-panel.is-open {
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
}

.panel-scroll {
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 50px var(--panel-content-inline) var(--panel-content-bottom);
  scrollbar-color: rgba(0, 0, 0, .45) transparent;
  scrollbar-width: thin;
}

.panel-scroll h2 {
  margin: 0 52px 34px 0;
  font-size: clamp(38px, 3vw, 56px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.04em;
}

.panel-scroll h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.25;
}

.panel-scroll p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.62;
}

.panel-close {
  position: absolute;
  top: var(--panel-close-offset);
  right: var(--panel-close-offset);
  z-index: 2;
  display: grid;
  width: var(--panel-close-size);
  height: var(--panel-close-size);
  padding: 8px;
  place-items: center;
  border: 1px solid rgba(0, 0, 0, .58);
  border-radius: 0;
  background: transparent;
  color: #000;
  cursor: pointer;
}

.panel-close:hover,
.panel-close:focus-visible {
  background: #000;
  color: var(--panel-surface);
  outline: none;
}

.panel-close svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0 0 42px;
  border-block: 1px solid rgba(0, 0, 0, .42);
  background: #725442;
  color: #fff;
}

.metric-row > div {
  position: relative;
  min-height: 130px;
  padding: 20px 16px;
  overflow: hidden;
  border-right: 1px solid rgba(0, 0, 0, .32);
}

.metric-row > div:last-child {
  border-right: 0;
}

.metric-row strong {
  position: relative;
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  margin-bottom: 11px;
  font-size: 38px;
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.metric-row > div > span {
  display: block;
  font-size: 13px;
  line-height: 1.3;
  text-transform: uppercase;
}

.metric-value > span {
  display: inline;
  font-size: inherit;
  line-height: inherit;
  text-transform: none;
}

.metric-row.is-animating > div {
  animation: metric-cell-emphasis 1s var(--ease) both;
  animation-delay: calc(var(--metric-index, 0) * 90ms);
}

@keyframes metric-cell-emphasis {
  0% {
    background: rgba(255, 255, 255, .3);
    opacity: .55;
    transform: translateY(10px);
  }
  38% {
    background: rgba(255, 255, 255, .12);
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    background: transparent;
    opacity: 1;
    transform: translateY(0);
  }
}

.route-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1.25fr) minmax(210px, .75fr);
  gap: 20px;
  align-items: start;
  padding: 26px 0;
  border-top: 1px solid rgba(0, 0, 0, .35);
}

.route-steps img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.route-steps h3 {
  font-size: 20px;
}

.route-steps p {
  margin-bottom: 0;
  font-size: 14px;
}

.step-number {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid #000;
  border-radius: 50%;
  font-weight: 700;
}

/* Technological Route keeps the shared side-panel width while preserving the
   supplied reference's statistics-first composition inside the panel. */
#routePanel {
  background: var(--panel-surface);
}

#routePanel .panel-scroll {
  padding: 0 0 64px;
  background: var(--panel-surface);
}

#routePanel .metric-row {
  min-height: 280px;
  margin: 0;
  padding: 64px 36px 40px;
  align-items: center;
  border: 0;
  background: #725442;
}

#routePanel .metric-row > div {
  min-height: 0;
  padding: 0 10px;
  border: 0;
  overflow: visible;
  text-align: center;
}

#routePanel .metric-row strong {
  justify-content: center;
  margin: 0 0 8px;
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -.025em;
}

#routePanel .metric-row > div > span {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.15;
  text-transform: none;
  white-space: nowrap;
}

html:lang(zh-CN) #routePanel .metric-value {
  align-items: baseline;
  gap: 6px;
  letter-spacing: 0;
}

html:lang(zh-CN) #routePanel .metric-unit {
  font-size: .42em;
  font-weight: 400;
}

#routePanel #routeTitle {
  margin: 0 32px;
  padding: 34px 0 30px;
  border-bottom: 1px solid rgba(0, 0, 0, .52);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.035em;
}

#routePanel .route-steps {
  margin: 0 32px;
}

#routePanel .route-steps li {
  grid-template-columns: minmax(0, 30.5fr) minmax(0, 41fr) minmax(0, 28.5fr);
  gap: 24px;
  align-items: start;
  padding: 22px 0;
  border-top: 0;
  border-bottom: 1px solid rgba(0, 0, 0, .52);
}

#routePanel .route-steps img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center top;
}

#routePanel .route-steps h3 {
  margin: -3px 0 10px;
  font-size: 28px;
  font-style: italic;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.025em;
  text-wrap: balance;
}

#routePanel .route-steps p {
  max-width: 48ch;
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  text-wrap: pretty;
}

#routePanel .step-number {
  display: block;
  width: auto;
  height: auto;
  padding-left: 8px;
  border: 0;
  border-radius: 0;
  font-size: 52px;
  font-weight: 400;
  line-height: .92;
}

@media (max-width: 1180px) and (orientation: landscape) {
  #routePanel .metric-row {
    padding-inline: 30px;
  }

  #routePanel .route-steps li {
    grid-template-columns: minmax(0, 28fr) minmax(0, 42fr) minmax(0, 30fr);
    gap: 18px;
  }
}

.news-list {
  border-top: 1px solid rgba(0, 0, 0, .48);
}

#newsPanel {
  display: flex;
  flex-direction: column;
}

.news-panel__bar {
  z-index: 5;
  display: flex;
  min-height: 92px;
  padding: 20px var(--panel-content-inline);
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(0, 0, 0, .48);
  background: var(--panel-surface);
}

.news-panel__bar h2 {
  margin: 0;
  font-size: clamp(30px, 2.3vw, 40px);
  font-weight: 550;
  letter-spacing: -.035em;
  line-height: 1;
}

.news-panel__bar .panel-close {
  position: static;
  flex: 0 0 var(--panel-close-size);
}

#newsPanel .panel-scroll {
  height: auto;
  min-height: 0;
  padding-top: 0;
  flex: 1 1 auto;
}

#newsPanel .news-list {
  border-top: 0;
}

.news-list article {
  border-bottom: 1px solid rgba(0, 0, 0, .48);
}

.news-item__heading {
  position: sticky;
  top: 0;
  z-index: 4;
  margin: 0 !important;
  background: var(--panel-surface);
}

.news-item.is-expanded .news-item__heading {
  box-shadow: 0 1px 0 rgba(0, 0, 0, .48);
}

.news-trigger {
  display: grid;
  width: 100%;
  min-height: 84px;
  grid-template-columns: minmax(0, 1fr) 30px;
  gap: 24px;
  align-items: center;
  padding: 20px 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.news-trigger:hover .news-trigger__label,
.news-trigger:focus-visible .news-trigger__label {
  transform: translateX(8px);
}

.news-trigger:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
}

.news-trigger__label {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.18;
  text-wrap: balance;
  transition: transform .35s var(--ease);
}

.news-trigger__indicator {
  position: relative;
  display: block;
  width: 26px;
  height: 26px;
  border: 1px solid currentColor;
}

.news-trigger__indicator::before,
.news-trigger__indicator::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
  transition: transform .35s var(--ease), opacity .25s ease;
}

.news-trigger__indicator::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.news-trigger[aria-expanded="true"] .news-trigger__indicator {
  background: #000;
  color: var(--yellow);
}

.news-trigger[aria-expanded="true"] .news-trigger__indicator::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0);
}

.news-content {
  overflow: hidden;
}

.news-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 2px 0 26px;
  color: rgba(0, 0, 0, .66);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .075em;
  line-height: 1.4;
  text-transform: uppercase;
}

.news-article__lead {
  max-width: 54ch;
  margin: 0 0 26px;
  font-size: 20px;
  font-weight: 550;
  line-height: 1.45;
  text-wrap: balance;
}

.news-article__body > p {
  margin: 0 0 22px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.68;
  text-wrap: pretty;
}

.news-article__figure {
  margin: 30px 0 34px;
}

.news-article__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  margin: 0;
  object-fit: contain;
}

.news-article__figure figcaption {
  margin-top: 10px;
  max-width: 68ch;
  color: rgba(0, 0, 0, .66);
  font-size: 11px;
  line-height: 1.5;
}

.news-article__quote {
  margin: 28px 0;
  padding-left: 18px;
  border-left: 3px solid currentColor;
  font-size: 19px;
  font-weight: 550;
  line-height: 1.5;
  text-wrap: balance;
}

.news-article__callout {
  margin-block: 30px !important;
  font-size: 23px !important;
  font-weight: 650;
  line-height: 1.28 !important;
  text-wrap: balance !important;
}

.news-article__body > :last-child {
  margin-bottom: 30px;
}

.news-pagination {
  display: flex;
  min-height: 74px;
  margin-top: 12px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-block: 1px solid rgba(0, 0, 0, .52);
}

.news-pagination__summary {
  margin: 0;
  color: rgba(0, 0, 0, .64);
  font-size: 13px;
}

.news-pagination__controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.news-pagination__controls button {
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid rgba(0, 0, 0, .5);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.news-pagination__controls button:hover,
.news-pagination__controls button:focus-visible {
  background: #000;
  color: var(--yellow);
}

.news-pagination__controls button:disabled {
  opacity: .34;
  cursor: not-allowed;
}

.news-pagination__controls button:disabled:hover {
  background: transparent;
  color: inherit;
}

.news-pagination__status {
  min-width: 52px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.application-heading {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 24px;
}

.application-heading > span {
  display: block;
  flex: 0 0 auto;
  color: #000;
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
}

.application-heading h2 {
  margin: 0;
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.025em;
}

.application-hero {
  margin: 0;
  overflow: hidden;
  background: #171511;
}

.application-hero img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: center 44%;
}

.application-carousel {
  margin-top: 30px;
  border-block: 1px solid rgba(0, 0, 0, .46);
}

.application-carousel__toolbar {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.application-carousel__toolbar > p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.application-carousel__controls {
  display: flex;
  align-items: center;
}

.application-carousel__status {
  display: flex;
  min-width: 74px;
  justify-content: center;
  gap: 5px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.application-carousel__status b {
  font-weight: 700;
}

.application-carousel__controls button {
  display: grid;
  width: 42px;
  height: 42px;
  margin-left: 6px;
  padding: 9px;
  place-items: center;
  border: 1px solid rgba(0, 0, 0, .68);
  border-radius: 0;
  background: transparent;
  color: #000;
  cursor: pointer;
  transition: background .25s ease, color .25s ease;
}

.application-carousel__controls button:hover,
.application-carousel__controls button:focus-visible {
  background: #000;
  color: var(--yellow);
  outline: none;
}

.application-carousel__controls button:disabled {
  opacity: .32;
  cursor: default;
}

.application-carousel__controls button:disabled:hover {
  background: transparent;
  color: #000;
}

.application-carousel__controls svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.application-carousel__viewport {
  display: flex;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  cursor: grab;
}

.application-carousel__viewport::-webkit-scrollbar {
  display: none;
}

.application-carousel__viewport:focus-visible {
  outline: 2px solid #000;
  outline-offset: 5px;
}

.application-carousel__viewport.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
  user-select: none;
}

.application-slide,
.application-color-slide {
  min-width: 100%;
  margin: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.application-slide img {
  display: block;
  width: 100%;
  height: min(52vh, 480px);
  min-height: 360px;
  background: #171511;
  object-fit: contain;
}

.application-slide figcaption {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0 18px;
  font-size: 14px;
  line-height: 1.3;
}

.application-slide figcaption span {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.application-color-slide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.application-color-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 768 / 886;
  background: #fff;
  object-fit: contain;
}

.application-carousel__pagination {
  display: flex;
  gap: 8px;
  padding: 0 0 20px;
}

.application-carousel__pagination button {
  width: 100%;
  height: 4px;
  padding: 0;
  border: 0;
  background: rgba(0, 0, 0, .24);
  cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}

.application-carousel__pagination button:hover,
.application-carousel__pagination button:focus-visible,
.application-carousel__pagination button[aria-current="true"] {
  background: #000;
  outline: none;
  transform: scaleY(1.75);
}

.application-editorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 52px;
}

.application-editorial-column {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
}

.application-editorial-column--offset {
  padding-top: 0;
}

.application-editorial-column img {
  display: block;
  width: 100%;
  height: auto;
}

.application-story {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 2px 0 12px;
}

.application-story h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .01em;
}

.application-story p {
  margin: 0;
  font-size: 12px;
  line-height: 1.48;
  text-wrap: pretty;
}

.application-catalog {
  margin-top: 26px;
}

.application-cases {
  margin-top: 50px;
}

.application-cases__heading {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-block: 1px solid rgba(0, 0, 0, .5);
}

.application-cases__heading h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.25;
}

.application-cases__heading span {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.application-case-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-top: 14px;
  align-items: start;
}

.application-case-gallery__column {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
}

.application-case-gallery figure {
  min-width: 0;
  margin: 0;
  background: #171511;
}

.application-case-gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.metric-row--impact {
  grid-template-columns: 1fr 1fr;
  margin: 0 0 70px;
  border: 0;
  background: transparent;
  color: var(--ink);
}

.metric-row--impact > div {
  min-height: 0;
  padding: 0 12px 0 0;
  border: 0;
  overflow: visible;
}

.metric-row--impact > div:last-child {
  padding-right: 0;
  text-align: center;
}

.metric-row--impact strong {
  margin-bottom: 7px;
  font-size: 46px;
  font-weight: 500;
  letter-spacing: -.025em;
}

.metric-row--impact > div > span {
  font-size: 16px;
  line-height: 1.25;
  text-transform: none;
}

html:lang(zh-CN) .metric-row--impact .metric-value {
  align-items: baseline;
  gap: 8px;
}

html:lang(zh-CN) .metric-row--impact .metric-unit {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
}

#carbonPanel #carbonTitle {
  margin-bottom: 48px;
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -.035em;
}

#carbonPanel .section-subtitle {
  margin: 0 0 20px !important;
  font-size: 42px !important;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.035em;
}

#carbonPanel .panel-scroll > p {
  max-width: 70ch;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.5;
}

.section-subtitle {
  margin-top: 34px !important;
  font-size: 27px !important;
}

.certificate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 30px 0;
}

.certificate-grid img {
  width: 100%;
  background: #fff;
}

.panel-wide-image {
  width: 100%;
  margin-top: 26px;
}

#closedLoopPanel {
  background: var(--panel-surface);
}

#closedLoopPanel .panel-scroll {
  padding: 0;
  overflow-x: hidden;
}

#closedLoopPanel .panel-close {
  top: 22px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 0;
  background: #050505;
  color: var(--panel-surface);
}

#closedLoopPanel .panel-close:hover,
#closedLoopPanel .panel-close:focus-visible {
  background: #050505;
  color: #fff;
  outline: 2px solid #050505;
  outline-offset: 3px;
}

.closed-loop-poster-scroll {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: rgba(0, 0, 0, .55) rgba(255, 255, 255, .18);
  scrollbar-width: thin;
}

.closed-loop-poster-scroll:focus-visible {
  outline: 3px solid #050505;
  outline-offset: -3px;
}

.closed-loop-diagram {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  margin-top: 0;
  background: #f6ab00;
}

#feedstockPanel #feedstockTitle {
  margin: 0 0 28px;
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.035em;
  white-space: nowrap;
}

#feedstockPanel .caption-image {
  width: 73%;
  margin-left: 16%;
}

#feedstockPanel .caption-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

#feedstockPanel .caption-image figcaption {
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
}

.caption-image {
  margin: 34px 0 0;
}

.caption-image figcaption {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 600;
}

.caption-image img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

#signagePanel {
  --signage-orange: var(--panel-surface);
  --signage-ink: #221714;
  --signage-black: #291513;
  --signage-green: #216d36;
  --signage-gold: #c5b580;
  background: var(--signage-orange);
}

#signagePanel .panel-scroll {
  padding: 68px 50px 54px;
}

#signagePanel .panel-scroll h2 {
  margin-bottom: 22px;
  color: var(--signage-ink);
  font-size: clamp(48px, 3.25vw, 56px);
  font-weight: 700;
  letter-spacing: -.035em;
  text-wrap: balance;
}

#signagePanel .signage-intro {
  max-width: 550px;
  margin-bottom: 30px;
  color: #141312;
  font-size: 16px;
  line-height: 1.28;
  text-wrap: pretty;
}

#signagePanel .signage-showcase {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(340px, 1fr);
  gap: clamp(24px, 3vw, 46px);
  align-items: start;
}

#signagePanel .signage-cards {
  position: relative;
  width: 248px;
  height: 294px;
  margin: 0;
}

#signagePanel .signage-labels {
  display: block;
  width: min(100%, 430px);
  height: auto;
  align-self: start;
  background: var(--signage-orange);
}

#signagePanel .sign-card {
  --card-bg: var(--signage-black);
  --card-fg: var(--signage-gold);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  width: 110px;
  aspect-ratio: 180 / 271;
  padding: 8px;
  overflow: hidden;
  background: var(--card-bg);
  color: var(--card-fg);
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
}

#signagePanel .sign-card::before {
  position: absolute;
  z-index: 0;
  inset: 7px;
  border: 1px solid currentColor;
  clip-path: polygon(5px 0, calc(100% - 5px) 0, 100% 5px, 100% calc(100% - 5px), calc(100% - 5px) 100%, 5px 100%, 0 calc(100% - 5px), 0 5px);
  content: "";
  pointer-events: none;
}

#signagePanel .sign-card--green {
  top: 64px;
  left: 69px;
  z-index: 2;
  --card-bg: var(--signage-green);
}

#signagePanel .sign-card--white {
  top: 128px;
  left: 138px;
  z-index: 1;
  --card-bg: #fff;
  --card-fg: var(--signage-green);
}

#signagePanel .sign-card__frame {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 12px 7px 10px;
  text-align: center;
}

#signagePanel .sign-card__brand {
  display: block;
  width: 100%;
  line-height: 1;
  white-space: nowrap;
}

#signagePanel .sign-card__brand b {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.06em;
}

#signagePanel .sign-card__brand sup {
  position: relative;
  top: -8px;
  margin-left: 1px;
  font-size: 6px;
}

#signagePanel .sign-card__brand small {
  display: block;
  margin-top: 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.5px;
  letter-spacing: -.01em;
}

#signagePanel .sign-card__mark {
  width: 50px;
  height: 43px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.45;
}

#signagePanel .sign-card__grade {
  display: block;
  width: 100%;
}

#signagePanel .sign-card__grade strong,
#signagePanel .sign-card__grade em {
  display: block;
  font-size: 10px;
  font-style: normal;
  font-weight: 500;
  line-height: 1.08;
}

#signagePanel .sign-card__grade em {
  margin-top: 4px;
  font-size: 14px;
}

#signagePanel .signage-visual {
  width: 100%;
  aspect-ratio: 745 / 611;
  margin: 0;
  overflow: hidden;
  background: #090b0a;
}

#signagePanel .signage-visual img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: 49% 49%;
  transform: scale(1.08);
}

#signagePanel.is-open .signage-labels {
  animation: signage-card-enter .72s var(--ease) both;
}

#signagePanel.is-open .signage-visual {
  animation: signage-image-enter .9s var(--ease) 120ms both;
}

@keyframes signage-card-enter {
  from {
    opacity: 0;
    transform: translate(-18px, 12px);
  }
  to {
    opacity: 1;
    transform: translate(0, 0);
  }
}

@keyframes signage-image-enter {
  from {
    clip-path: inset(0 0 0 100%);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.contact-details {
  display: grid;
  gap: 0;
  margin-bottom: 28px;
  border-top: 1px solid rgba(0, 0, 0, .38);
}

.contact-details > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 0, 0, .38);
}

.contact-details svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.contact-details p {
  margin: 0;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.contact-details strong {
  display: block;
  margin-bottom: 5px;
}

.contact-details a {
  color: inherit;
}

.social-link {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: #000;
  color: var(--yellow);
  font-size: 21px;
  font-weight: 700;
  text-decoration: none;
}

.social-account {
  display: inline-flex;
  margin-bottom: 30px;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.social-account > span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

.global-reach {
  margin: 38px 0 34px;
}

.global-reach figcaption {
  margin-bottom: 16px;
  font-size: clamp(28px, 2.2vw, 38px);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: 1.05;
}

.global-reach__viewport {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border-block: 1px solid rgba(0, 0, 0, .42);
  scrollbar-color: rgba(0, 0, 0, .55) rgba(255, 255, 255, .18);
  scrollbar-width: thin;
}

.global-reach__viewport:focus-visible {
  outline: 3px solid #000;
  outline-offset: 3px;
}

.global-reach__viewport img {
  display: block;
  width: max(100%, 980px);
  max-width: none;
  height: auto;
}

.download-notice {
  margin: 0 0 30px;
  padding: 16px;
  border: 1px solid rgba(0, 0, 0, .58);
}

.download-notice strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
}

.download-notice p {
  margin: 0;
  font-size: 14px;
}

.download-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(0, 0, 0, .42);
  list-style: none;
}

.download-list li {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 42px;
  gap: 20px;
  min-height: 162px;
  padding: 22px 4px 22px 0;
  align-items: center;
  border-bottom: 1px solid rgba(0, 0, 0, .42);
}

.download-cover {
  display: block;
  width: 118px;
  height: 118px;
  object-fit: contain;
  object-position: center;
  background: #fff;
}

.download-copy {
  display: grid;
  gap: 7px;
}

.download-copy strong {
  font-size: 20px;
  line-height: 1.2;
}

.download-copy small {
  font-size: 13px;
}

.download-link {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 8px;
  place-items: center;
  border: 0;
  border-radius: 0;
  background: #111;
  color: var(--yellow);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.download-link:hover,
.download-link:focus-visible {
  background: #111;
  color: #fff;
  outline: 2px solid #111;
  outline-offset: 3px;
  transform: translateY(-2px);
}

.download-link svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(0, 0, 0, .42);
}

.contact-form label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #000;
  border-radius: 0;
  background: rgba(255, 255, 255, .22);
  color: #000;
  padding: 11px 10px;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  background: rgba(255, 255, 255, .55);
  box-shadow: 0 0 0 2px #000;
}

.contact-form .field-wide,
.contact-form .form-status {
  grid-column: 1 / -1;
}

.contact-form button {
  width: 160px;
  min-height: 46px;
  border: 1px solid #000;
  border-radius: 0;
  background: #000;
  color: var(--yellow);
  cursor: pointer;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  background: transparent;
  color: #000;
  outline: none;
}

.form-status {
  min-height: 24px;
  margin: 0 !important;
  font-weight: 600;
}

@media (max-width: 1500px) and (orientation: landscape) {
  .site-header {
    top: 24px;
    right: 32px;
  }

  .brand {
    width: clamp(190px, 14vw, 225px);
  }

  .video-replay {
    top: 24px;
    left: 32px;
  }

  .section-content {
    width: min(700px, 51vw);
    padding-top: 11vh;
    padding-left: 46px;
  }

  .section-content h1,
  .section-content h2 {
    margin-bottom: 22px;
    font-size: clamp(40px, 3.2vw, 50px);
  }

  .section-content p {
    font-size: clamp(18px, 1.55vw, 23px);
    line-height: 1.45;
  }

  .chapter-rail {
    right: 28px;
    height: 230px;
  }

  .panel-scroll {
    padding: 44px 42px 56px;
  }
}

@media (max-width: 1180px) and (orientation: landscape) {
  .site-header {
    right: 24px;
  }

  .section-content {
    width: 56vw;
    padding-left: 40px;
  }

  .chapter-rail {
    right: 20px;
  }

  .side-panel {
    max-width: 90vw;
  }

  .video-replay {
    left: 24px;
  }
}

@media (max-height: 800px) and (orientation: landscape) {
  .section-content {
    padding-top: 10vh;
  }

  .section-content h1,
  .section-content h2 {
    margin-bottom: 18px;
    font-size: clamp(36px, 3.2vw, 46px);
  }

  .section-content p {
    font-size: clamp(17px, 1.55vw, 21px);
    line-height: 1.4;
  }

  .scroll-cue {
    bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html,
  .scroll-container {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .section-content {
    opacity: 1;
    transform: none;
  }
}