.page-about {
  --stage-gap: clamp(2.6rem, 6vw, 5rem);
  --axis-col: 96px;
  --axis-x: 24px;
  overflow-wrap: break-word;
  word-break: break-word;
  display: block;
}

.page-about .about-intro {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 3.2rem) 0 clamp(2rem, 5vw, 3.6rem);
  border-bottom: 1px solid var(--rail);
  background:
    radial-gradient(90% 120% at 6% 0%, rgba(53, 240, 206, .12), transparent 58%),
    radial-gradient(70% 90% at 100% 100%, rgba(255, 155, 69, .09), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 100%);
}

.page-about .about-intro::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 0;
  width: 200px;
  height: 100%;
  transform: skewX(-14deg);
  background: linear-gradient(180deg, rgba(53, 240, 206, .07), transparent);
  pointer-events: none;
}

.page-about .about-intro-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.3rem, 3.4vw, 2.6rem);
  align-items: end;
}

.page-about .intro-media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rail);
  background: linear-gradient(160deg, var(--archive), var(--night));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-about .intro-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .8;
}

.page-about .intro-copy {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  min-width: 0;
}

.page-about .intro-copy .breadcrumb {
  margin-bottom: .1rem;
}

.page-about .intro-copy .display-title {
  margin: 0;
  max-width: 18em;
  color: var(--paper);
}

.page-about .about-lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.8;
  color: var(--paper);
  opacity: .86;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.1rem;
  margin: clamp(1rem, 2.6vw, 1.7rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stats .stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .1rem .3rem;
  padding-top: .7rem;
  border-top: 2px solid var(--rail);
}

.page-about .about-stats .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-about .about-stats .stat-unit {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--amber);
}

.page-about .about-stats .stat-label {
  flex-basis: 100%;
  margin-top: .25rem;
  font-size: .76rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-about .about-timeline {
  position: relative;
  padding-top: clamp(2rem, 5vw, 3.4rem);
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

.page-about .about-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(1rem, 2.4vw, 2rem);
  padding-bottom: var(--stage-gap);
}

.page-about .about-stage:last-child {
  padding-bottom: 0;
}

.page-about .stage-axis {
  display: none;
  position: relative;
}

.page-about .stage-dot {
  position: absolute;
  left: calc(var(--axis-x) - 6px);
  top: .35rem;
  box-sizing: border-box;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--rail);
  transition: border-color .25s var(--ease), background-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-about .about-stage:hover .stage-dot,
.page-about .about-stage:focus-within .stage-dot {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(53, 240, 206, .13);
}

.page-about .stage-axis .vertical-note {
  position: absolute;
  left: calc(var(--axis-x) + 6px);
  top: 1.8rem;
  writing-mode: vertical-rl;
  font-size: 11px;
  line-height: 1;
  letter-spacing: .3em;
  color: var(--mist);
  opacity: .8;
  transition: color .25s var(--ease), opacity .25s var(--ease);
}

.page-about .about-stage:hover .vertical-note,
.page-about .about-stage:focus-within .vertical-note {
  color: var(--cyan);
  opacity: 1;
}

.page-about .stage-body {
  min-width: 0;
}

.page-about .stage-body .section-title {
  margin: 0 0 .85rem;
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-about .stage-body .prose p {
  margin: 0 0 .9rem;
  color: var(--paper);
  opacity: .9;
}

.page-about .stage-body .prose p:last-child {
  margin-bottom: 0;
}

.page-about .stage-note {
  margin: 1.1rem 0 0;
  padding-top: .7rem;
  border-top: 1px dashed var(--rail);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-about .stage-note::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: .55rem;
  vertical-align: middle;
  background: var(--cyan);
  transform: rotate(45deg) translateY(-1px);
}

.page-about .stage-figure {
  position: relative;
  margin: 1.2rem 0 0;
  overflow: hidden;
  border: 1px solid var(--rail);
  background: linear-gradient(150deg, var(--archive), var(--night));
}

.page-about .stage-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .82;
}

.page-about .stage-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(233, 243, 240, .045) 0 1px, transparent 1px 4px);
}

.page-about .crew-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .crew-card {
  position: relative;
  padding: 1.05rem .95rem 1.1rem;
  border: 1px solid var(--rail);
  background: linear-gradient(165deg, var(--archive) 0%, var(--ink) 100%);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-about .crew-card:hover,
.page-about .crew-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(53, 240, 206, .65);
  background: linear-gradient(165deg, #21453d 0%, var(--ink) 100%);
}

.page-about .crew-index {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-about .crew-name {
  margin: 0 0 .5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .crew-duty {
  margin: 0 0 .8rem;
  font-size: .83rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .crew-handoff {
  margin: 0;
  padding-top: .6rem;
  border-top: 1px solid var(--rail);
  font-size: .76rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-about .crew-handoff span {
  display: inline-block;
  margin-right: .4rem;
  padding: 0 .35rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--night);
  background: var(--cyan);
}

.page-about .after-list {
  display: grid;
  gap: .75rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .after-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
  padding: .9rem 1rem;
  border-left: 2px solid var(--rail);
  background: rgba(27, 58, 52, .5);
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-about .after-item:hover {
  border-left-color: var(--cyan);
  background: rgba(27, 58, 52, .82);
}

.page-about .after-time {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-about .after-time em {
  margin-left: .15rem;
  font-style: normal;
  font-size: .7rem;
  color: var(--mist);
}

.page-about .after-title {
  margin: 0 0 .25rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .after-desc {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .stage-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .stage-facts li {
  padding: .8rem .85rem;
  border-top: 2px solid var(--rail);
  background: rgba(27, 58, 52, .45);
}

.page-about .fact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .fact-value em {
  font-style: normal;
  font-size: .72rem;
  color: var(--amber);
}

.page-about .fact-label {
  display: block;
  margin-top: .25rem;
  font-size: .74rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-about .loyang-panel {
  margin-top: 1.1rem;
  padding: clamp(1.15rem, 3vw, 1.9rem);
  color: var(--night);
  background: linear-gradient(140deg, var(--sheet) 0%, #dbebe5 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-about .loyang-panel p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  line-height: 1.82;
  color: #16302b;
}

.page-about .loyang-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem .9rem;
  margin-top: .4rem;
}

.page-about .loyang-contact .contact-line {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
}

.page-about .loyang-panel .contact-key {
  font-size: .74rem;
  letter-spacing: .04em;
  color: #547a70;
}

.page-about .loyang-panel .contact-value {
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 600;
  color: var(--night);
}

.page-about .copy-btn {
  min-height: 44px;
  padding: 0 1rem;
  font: inherit;
  font-size: .8rem;
  color: var(--night);
  background: var(--amber);
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background-color .2s var(--ease);
}

.page-about .copy-btn:hover {
  background: #ffb066;
}

.page-about .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .copy-status {
  font-size: .76rem;
  color: #3f6b61;
}

.page-about .about-more {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--rail);
}

.page-about .about-more .section-title {
  margin: 0;
}

.page-about .more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .85rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .more-card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-height: 44px;
  padding: 1rem;
  text-decoration: none;
  border: 1px solid var(--rail);
  background: rgba(27, 58, 52, .38);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-about .more-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(27, 58, 52, .72);
}

.page-about .more-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .more-card-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .more-card-desc {
  font-size: .8rem;
  line-height: 1.65;
  color: var(--mist);
}

@media (min-width: 640px) {
  .page-about .after-item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 1.2rem;
  }

  .page-about .stage-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .crew-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-about .about-timeline::before {
    content: "";
    position: absolute;
    left: var(--axis-x);
    top: 0;
    bottom: 0;
    width: 2px;
    opacity: .5;
    background: linear-gradient(180deg, transparent, var(--rail) 5%, var(--cyan) 45%, var(--rail) 95%, transparent);
  }

  .page-about .about-stage {
    grid-template-columns: var(--axis-col) minmax(0, 1fr);
  }

  .page-about .stage-axis {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-about .about-intro-grid {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    gap: clamp(1.6rem, 3vw, 3rem);
  }

  .page-about .intro-media {
    aspect-ratio: 3 / 4;
    height: 100%;
    min-height: 320px;
  }
}

@media (min-width: 1024px) {
  .page-about .stage-body--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: clamp(1.2rem, 3vw, 2.4rem);
    align-items: start;
  }

  .page-about .stage-body--split .stage-figure {
    margin: 0;
  }

  .page-about .stage-body--split .stage-note {
    grid-column: 1 / -1;
  }

  .page-about .stage-body--split-rev {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1fr);
  }

  .page-about .stage-body--split-rev .stage-figure {
    order: -1;
  }
}

@media (min-width: 1100px) {
  .page-about .crew-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 419px) {
  .page-about .crew-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .about-stats {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew-card,
  .page-about .more-card,
  .page-about .after-item,
  .page-about .stage-dot,
  .page-about .vertical-note,
  .page-about .copy-btn {
    transition: none;
  }

  .page-about .crew-card:hover,
  .page-about .more-card:hover {
    transform: none;
  }
}