.page-about {
  --about-side-w: 220px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-about h1,
.page-about h2 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 0.98;
  margin: 0;
}

.page-about .breadcrumb {
  padding-top: 20px;
}

.page-about .breadcrumb__link {
  color: var(--paper-2);
}

.page-about .breadcrumb__item span {
  color: var(--orange-soft);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 62px;
  background:
    radial-gradient(circle at 92% 8%, rgba(0, 102, 255, 0.22), transparent 34%),
    radial-gradient(circle at 0% 88%, rgba(255, 90, 31, 0.16), transparent 40%),
    var(--ink);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: 70%;
  height: 280px;
  background: var(--orange);
  opacity: 0.08;
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-hero__copy {
  min-width: 0;
}

.page-about .about-hero__title {
  max-width: 17ch;
  margin-top: 18px;
  color: var(--paper);
  font-size: clamp(2.55rem, 7.5vw, 5.2rem);
  text-wrap: balance;
}

.page-about .about-hero__lead {
  max-width: 42em;
  margin: 20px 0 0;
  color: var(--paper-2);
  font-size: clamp(1rem, 2vw, 1.08rem);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__stat {
  min-width: 104px;
}

.page-about .about-hero__stat-label {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-about .about-hero__stat-num {
  margin: 2px 0 0;
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 1.42rem;
  line-height: 1.2;
}

.page-about .about-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 18px 14px 30px;
}

.page-about .about-index {
  position: relative;
  width: 100%;
  max-width: 430px;
  padding: 22px;
  background: linear-gradient(135deg, var(--ink-2), var(--ink-3));
  border: 1px solid var(--line);
  box-shadow: 14px 14px 0 var(--orange);
  transform: rotate(-1.5deg);
}

.page-about .about-index::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(120deg, transparent 0 18px, rgba(245, 243, 238, 0.035) 18px 19px);
  pointer-events: none;
}

.page-about .about-index::after {
  content: "";
  position: absolute;
  top: -16px;
  right: -16px;
  width: 74px;
  height: 74px;
  border-top: 3px solid var(--lime);
  border-right: 3px solid var(--lime);
}

.page-about .about-index__num {
  position: relative;
  z-index: 1;
  display: block;
  color: var(--orange);
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 7.4rem);
  line-height: 0.78;
}

.page-about .about-index__label {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 16px;
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.page-about .about-index__row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  color: var(--paper-2);
  font-family: var(--font-data);
  font-size: 0.78rem;
}

.page-about .about-index__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(183, 255, 42, 0.12);
}

.page-about .about-layout {
  display: grid;
  gap: 32px;
  padding-top: 46px;
  padding-bottom: 74px;
}

.page-about .about-sidenav {
  align-self: start;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
}

.page-about .about-sidenav__title {
  margin: 0 0 12px;
  color: var(--muted);
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.page-about .about-sidenav__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-sidenav__link {
  display: flex;
  gap: 8px;
  padding: 3px 0;
  color: var(--paper-2);
  font-size: 0.82rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-about .about-sidenav__link:hover,
.page-about .about-sidenav__link:focus-visible {
  color: var(--orange-soft);
}

.page-about .about-sidenav__num {
  color: var(--orange);
  font-family: var(--font-data);
  font-size: 0.7rem;
}

.page-about .about-content {
  display: grid;
  min-width: 0;
  gap: 56px;
}

.page-about .about-chapter {
  position: relative;
  scroll-margin-top: 88px;
}

.page-about .about-chapter:not(:last-child) {
  padding-bottom: 46px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 22px;
}

.page-about .about-chapter__num {
  color: var(--orange);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 0.8;
}

.page-about .about-chapter__title {
  max-width: 19ch;
  color: var(--paper);
  font-size: clamp(1.65rem, 4.8vw, 2.9rem);
  text-wrap: balance;
}

.page-about .about-chapter__lead {
  max-width: 43em;
  margin: 12px 0 0;
  color: var(--paper-2);
  font-size: 1rem;
}

.page-about .about-chapter:target .about-chapter__title {
  color: var(--lime);
}

.page-about .about-chapter:target .about-chapter__num {
  color: var(--blue-soft);
}

.page-about .about-prose {
  max-width: 43em;
  color: var(--paper-2);
  font-size: 1rem;
}

.page-about .about-prose p {
  margin: 0 0 1em;
}

.page-about .about-prose a {
  color: var(--blue-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-note {
  position: relative;
  max-width: 560px;
  margin: 24px 0;
  padding: 18px 20px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 8px 8px 0 var(--orange);
}

.page-about .about-note--blue {
  box-shadow: 8px 8px 0 var(--blue);
}

.page-about .about-note--orange {
  box-shadow: 8px 8px 0 var(--orange);
}

.page-about .about-note__label {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.page-about .about-note__text {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.page-about .about-map {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-about .about-map__diagram {
  position: relative;
  min-height: 360px;
  padding: 20px;
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-2), #0f1624);
  border: 1px solid var(--line);
}

.page-about .about-map__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-about .about-map__nodes {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  max-width: 360px;
}

.page-about .about-map__node {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid var(--line);
}

.page-about .about-map__node--orange {
  border-left: 4px solid var(--orange);
}

.page-about .about-map__node--blue {
  border-left: 4px solid var(--blue);
}

.page-about .about-map__node--lime {
  border-left: 4px solid var(--lime);
}

.page-about .about-map__node--paper {
  border-left: 4px solid var(--paper);
}

.page-about .about-map__node-label {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.page-about .about-map__node-sub {
  color: var(--muted);
  font-family: var(--font-data);
  font-size: 0.68rem;
}

.page-about .about-map__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-map__figure {
  margin: 0;
}

.page-about .figure__caption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.page-about .about-map__figure img,
.page-about .about-team-banner img,
.page-about .about-version-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-team-banner {
  margin: 0 0 22px;
  border: 1px solid var(--line);
}

.page-about .about-team__grid {
  display: grid;
  gap: 12px;
  margin: 22px 0;
}

.page-about .about-team__stat {
  padding: 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-about .about-team__stat-num {
  display: block;
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 1.7rem;
  line-height: 1.15;
}

.page-about .about-team__stat-label {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.page-about .about-tip {
  position: relative;
  display: inline-block;
  color: var(--orange-soft);
  border-bottom: 1px dashed currentColor;
  cursor: help;
}

.page-about .about-tip__bubble {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 8;
  width: max-content;
  max-width: min(260px, 80vw);
  padding: 8px 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.75rem;
  line-height: 1.5;
  box-shadow: 4px 4px 0 var(--blue);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.page-about .about-tip:hover .about-tip__bubble,
.page-about .about-tip:focus .about-tip__bubble,
.page-about .about-tip:focus-within .about-tip__bubble {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-about .about-version-banner {
  position: relative;
  margin: 0 0 26px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-version-banner img {
  opacity: 0.68;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 14px;
  padding-left: 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 2px;
  background: linear-gradient(var(--lime), var(--orange), var(--blue));
}

.page-about .about-timeline__item {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-about .about-timeline__item[open] {
  border-color: var(--orange);
}

.page-about .about-timeline__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-about .about-timeline__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline__dot {
  position: absolute;
  top: 20px;
  left: -23px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(183, 255, 42, 0.15);
}

.page-about .about-timeline__item[open] .about-timeline__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16);
}

.page-about .about-timeline__ver {
  color: var(--orange-soft);
  font-family: var(--font-data);
  font-size: 0.8rem;
}

.page-about .about-timeline__name {
  font-weight: 700;
}

.page-about .about-timeline__body {
  padding: 0 16px 16px;
  color: var(--paper-2);
}

.page-about .about-timeline__body p {
  max-width: 42em;
  margin: 0;
}

.page-about .about-partner-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0;
}

.page-about .about-partner {
  padding: 16px 18px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--blue);
}

.page-about .about-partner:nth-child(2) {
  box-shadow: 6px 6px 0 var(--orange);
}

.page-about .about-partner:nth-child(3) {
  box-shadow: 6px 6px 0 var(--lime);
}

.page-about .about-partner__num {
  display: block;
  font-family: var(--font-data);
  font-size: 2rem;
  line-height: 1.1;
}

.page-about .about-partner__label {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.page-about .about-partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-about .about-watch {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.page-about .about-watch__card {
  padding: 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--lime);
}

.page-about .about-watch__card--blue {
  border-left-color: var(--blue-soft);
}

.page-about .about-watch__card--orange {
  border-left-color: var(--orange);
}

.page-about .about-watch__k {
  display: block;
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 1.35rem;
  line-height: 1.2;
}

.page-about .about-watch__card--blue .about-watch__k {
  color: var(--blue-soft);
}

.page-about .about-watch__card--orange .about-watch__k {
  color: var(--orange-soft);
}

.page-about .about-watch__text {
  margin: 6px 0 0;
  color: var(--paper-2);
  font-size: 0.92rem;
}

.page-about .about-chapter--cta {
  padding: 22px;
  background: linear-gradient(135deg, rgba(255, 90, 31, 0.12), rgba(0, 102, 255, 0.1));
  border: 1px solid var(--line);
}

.page-about .about-start {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0;
}

.page-about .about-contact-list {
  display: grid;
  gap: 6px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-contact-list a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-about .about-contact-list span {
  font-family: var(--font-data);
  font-size: 0.86rem;
}

@media (min-width: 700px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-about .about-hero {
    padding-top: 18px;
  }

  .page-about .about-map {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

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

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

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

  .page-about .about-sidenav__list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 980px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-side-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-sidenav {
    position: sticky;
    top: 24px;
  }

  .page-about .about-chapter__head {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 24px;
  }

  .page-about .about-chapter__num {
    font-size: 5.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index {
    transform: none;
  }

  .page-about .about-sidenav__link,
  .page-about .about-tip__bubble {
    transition: none;
  }
}
<<<END>>>