.page-about{
  --about-dock: 158px;
  --about-pad: clamp(28px, 4vw, 56px);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .about-hero{
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 5vw, 68px);
  border-bottom: 2px solid var(--line);
}

.page-about .about-hero-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-about .about-hero-lead > * + *{
  margin-top: clamp(14px, 2vw, 22px);
}

.page-about .about-hero-lead h1{
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-about .about-hero-lead .lead{
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-about .about-hero-facts{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 2px solid var(--line);
  border-left: 2px solid var(--line);
}

.page-about .about-hero-facts li{
  flex: 1 1 140px;
  min-width: 0;
  padding: 12px 16px;
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-about .fact-key{
  display: block;
  font-size: 14px;
  color: var(--signal);
  letter-spacing: 0.02em;
}

.page-about .fact-val{
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.page-about .about-plate{
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  max-width: 360px;
  width: 100%;
  margin-inline: auto;
  padding: 10px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
}

.page-about .about-plate svg{
  width: 100%;
  height: auto;
  display: block;
}

.page-about .plate-ring{
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
}

.page-about .plate-dash{
  fill: none;
  stroke: var(--sand);
  stroke-width: 2;
  stroke-dasharray: 5 11;
  opacity: 0.75;
}

.page-about .plate-mark{
  fill: none;
  stroke: var(--signal);
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-about .plate-dot{
  fill: var(--signal);
}

.page-about .plate-core{
  position: absolute;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.12em;
}

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

.page-about .about-toc{
  border-bottom: 2px solid var(--line);
  padding-block: 10px;
}

.page-about .toc-title{
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

.page-about .about-toc-list{
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-toc-list a{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 6px 10px;
  border: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-toc-list a .mono{
  color: var(--sand);
  font-size: 12px;
}

.page-about .about-toc-list a:hover,
.page-about .about-toc-list a:focus-visible{
  color: var(--paper);
  border-color: var(--signal);
  outline: none;
}

.page-about .about-toc-list a:focus-visible{
  box-shadow: 0 0 0 2px var(--signal);
}

.page-about .about-sec{
  padding-block: clamp(40px, 6vw, 84px);
  border-top: 2px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-about .about-flow > .about-sec:first-child{
  border-top: 0;
  padding-top: clamp(28px, 4vw, 52px);
}

.page-about .about-sec-head{
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-about .sec-num{
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 600;
  color: var(--sand);
  line-height: 1;
}

.page-about .about-sec h2{
  font-size: clamp(1.35rem, 3vw, 2.3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-about .about-sec h3{
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-prose{
  max-width: 60ch;
}

.page-about .about-prose p{
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 1em;
}

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

.page-about .about-aside{
  margin-top: clamp(18px, 2.6vw, 28px);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 14px;
  max-width: 56ch;
}

.page-about .about-aside a,
.page-about .about-prose a{
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-aside a:hover,
.page-about .about-prose a:hover{
  color: var(--signal);
}

.page-about .about-split{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-about .about-figure{
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
}

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

.page-about .about-figure figcaption{
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 2px solid var(--line);
}

.page-about .about-versions-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .about-timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}

.page-about .about-node{
  position: relative;
  padding-left: 34px;
  padding-bottom: clamp(20px, 3vw, 30px);
}

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

.page-about .about-node::before{
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border: 2px solid var(--sand);
  background: var(--ink);
}

.page-about .about-node.is-current::before{
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(53, 242, 176, 0.16);
}

.page-about .node-ver{
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
  margin: 0 0 6px;
}

.page-about .about-node.is-current .node-ver{
  color: var(--signal);
}

.page-about .about-node p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-subtitle{
  margin-top: clamp(28px, 4vw, 44px);
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .about-crew{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .crew-card{
  border: 2px solid var(--line);
  background: var(--panel);
  padding: clamp(18px, 2.4vw, 26px);
  box-shadow: 6px 6px 0 var(--shadow);
  min-width: 0;
}

.page-about .crew-num{
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
  margin: 0 0 12px;
}

.page-about .crew-card p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-ticks{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-about .tick{
  background: var(--ink);
  padding: 16px 18px;
  min-width: 0;
}

.page-about .tick-time{
  font-size: 15px;
  color: var(--sand);
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}

.page-about .tick p:last-child{
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-code{
  display: flex;
  flex-wrap: wrap;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
  margin: clamp(20px, 3vw, 30px) 0;
}

.page-about .code-part{
  flex: 1 1 130px;
  min-width: 0;
  padding: 16px 18px;
  border-right: 2px solid var(--line);
}

.page-about .code-part:last-child{
  border-right: 0;
}

.page-about .code-part .label{
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-about .code-part strong{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.2vw, 1.3rem);
  font-weight: 600;
  color: var(--signal);
  letter-spacing: 0.06em;
  word-break: break-word;
}

.page-about .about-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-about .about-list li{
  background: var(--ink);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-list strong{
  color: var(--paper);
  font-weight: 700;
}

.page-about .about-stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-about .about-stat{
  background: var(--panel);
  padding: clamp(16px, 2.4vw, 26px);
  min-width: 0;
}

.page-about .stat-num{
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  color: var(--paper);
  margin: 0;
  white-space: nowrap;
}

.page-about .stat-unit{
  font-size: 0.5em;
  color: var(--sand);
  margin-left: 4px;
  vertical-align: baseline;
}

.page-about .stat-label{
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-figure--wide{
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-scenes{
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-about .about-scenes dt{
  background: var(--ink);
  padding: 14px 18px 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--signal);
}

.page-about .about-scenes dd{
  background: var(--ink);
  margin: 0;
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-honors{
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-honors li{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 16px 18px;
  min-width: 0;
}

.page-about .honor-key{
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
}

.page-about .about-honors p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-about .about-cta{
  margin-top: clamp(28px, 4vw, 44px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
  padding: clamp(22px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  align-items: center;
}

.page-about .about-cta h3{
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-about .about-cta p{
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 52ch;
}

.page-about .about-cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta-actions .btn{
  flex: 0 1 auto;
}

@media (min-width: 720px){
  .page-about .about-crew{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-about .about-honors li{
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-about .about-timeline::before{
    left: 8px;
  }

  .page-about .about-node{
    padding-left: 42px;
  }
}

@media (min-width: 860px){
  .page-about .about-hero-grid{
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
  }

  .page-about .about-split{
    grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
  }

  .page-about .about-versions-grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 270px);
    align-items: start;
  }

  .page-about .about-figure--tall img{
    max-height: 520px;
  }

  .page-about .about-cta{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

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

  .page-about .about-scenes dt{
    grid-column: 1;
    padding: 14px 18px 4px;
  }

  .page-about .about-scenes dd{
    grid-column: 1;
    padding: 0 18px 18px;
  }
}

@media (min-width: 1024px){
  .page-about .about-layout{
    grid-template-columns: var(--about-dock) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-about .about-toc{
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    align-self: start;
    border-bottom: 0;
    border-left: 2px solid var(--line);
    padding: 6px 0 6px 16px;
  }

  .page-about .about-toc-list{
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    gap: 4px;
    padding: 0;
  }

  .page-about .about-toc-list a{
    border: 0;
    border-left: 2px solid transparent;
    padding: 7px 8px;
    margin-left: -2px;
    font-size: 13px;
  }

  .page-about .about-toc-list a:hover,
  .page-about .about-toc-list a:focus-visible{
    border-left-color: var(--signal);
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-toc-list a{
    transition: none;
  }
}
<<<END>>>