.page-about {
  --about-body: #CFDEE3;
  --about-rail: clamp(22px, 4vw, 34px);
  background: var(--ink-1);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  border-bottom: var(--frame) solid var(--line);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(49, 242, 211, 0.13), transparent 60%),
    radial-gradient(90% 70% at 0% 100%, rgba(245, 181, 74, 0.09), transparent 65%),
    linear-gradient(180deg, var(--ink-0) 0%, var(--ink-1) 100%);
}

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .breadcrumbs a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

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

.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.2rem, 5.6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  overflow-wrap: break-word;
}

.page-about .about-hero .lead {
  max-width: 44ch;
  margin: 0 0 28px;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  color: var(--about-body);
}

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

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink-2);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-about .about-hero__tag {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  padding: 4px 10px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-0);
  background: var(--cyan);
  border-radius: var(--r-pill);
}

.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(26px, 5vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.page-about .about-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 14px 16px;
  background: var(--ink-1);
}

.page-about .about-hero__num {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-about .about-hero__cap {
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-about .about-sec {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.4vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
}

.page-about .about-origin {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
}

.page-about .about-origin__body p {
  margin: 0 0 1.15em;
  max-width: 42ch;
  color: var(--about-body);
}

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

.page-about .about-version__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-version__lead {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

.page-about .about-version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-tl {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--about-rail);
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 34%, var(--line) 68%, var(--amber-deep) 100%);
}

.page-about .about-tl > li {
  position: relative;
  margin-bottom: 14px;
}

.page-about .about-tl > li::before {
  content: "";
  position: absolute;
  left: calc(2px - var(--about-rail));
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-1);
  border: 2px solid var(--cyan);
}

.page-about .about-tl > li:last-child {
  margin-bottom: 0;
}

.page-about .about-tl__card {
  background: var(--ink-2);
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-about .about-tl__card[open] {
  border-color: rgba(49, 242, 211, 0.55);
}

.page-about .about-tl__card:hover {
  border-color: rgba(143, 227, 214, 0.55);
}

.page-about .about-tl__card > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
}

.page-about .about-tl__card > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-tl__meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-about .about-tl__meta .mono {
  font-size: 0.72rem;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--cyan-soft);
  white-space: nowrap;
}

.page-about .about-tl__name {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
  min-width: 0;
}

.page-about .about-tl__chev {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--amber);
  font-size: 0.85rem;
  line-height: 1;
  flex: none;
}

.page-about .about-tl__chev::before {
  content: "+";
}

.page-about .about-tl__card[open] .about-tl__chev::before {
  content: "−";
}

.page-about .about-tl__body {
  padding: 0 14px 16px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
}

.page-about .about-tl__body p {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.page-about .about-version__figure {
  margin: 0;
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  background: var(--ink-2);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
  align-self: start;
}

.page-about .about-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.page-about .about-version__cap {
  padding: 12px 16px;
  font-size: 0.8125rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-about .about-team__head {
  max-width: 60ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-team__lead {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
}

.page-about .about-team__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 20px);
}

.page-about .about-card {
  background: var(--ink-2);
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  padding: 20px 18px 22px;
  box-shadow: var(--shadow-hard);
}

.page-about .about-card__count {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  font-size: 0.8rem;
  color: var(--ink-0);
  background: var(--cyan);
  border-radius: var(--r-pill);
  letter-spacing: 0.02em;
}

.page-about .about-card__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .about-card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.page-about .about-team__figure {
  margin: 0;
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--ink-2);
  align-self: start;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-rules__head {
  max-width: 52ch;
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-about .about-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.page-about .about-rules__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  background: var(--ink-1);
}

.page-about .about-rules__list > li:hover {
  background: var(--ink-2);
}

.page-about .about-rules__no {
  font-size: 0.95rem;
  color: var(--amber);
  padding-top: 2px;
}

.page-about .about-rules__list h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .about-rules__list p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
  max-width: 52ch;
}

.page-about .about-eco__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-about .about-eco__text p {
  margin: 0 0 1.1em;
  color: var(--about-body);
  max-width: 46ch;
}

.page-about .about-eco__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .about-eco__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  background: var(--ink-2);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--r-panel) var(--r-panel) 0;
}

.page-about .about-eco__facts .mono {
  color: var(--amber);
  font-size: 0.95rem;
  white-space: nowrap;
}

.page-about .about-eco__facts span:last-child {
  font-size: 0.875rem;
  color: var(--muted);
}

.page-about .about-eco__orbit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.page-about .about-orbit {
  position: relative;
  width: min(100%, 380px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
}

.page-about .about-orbit__ring {
  position: absolute;
  inset: 16%;
  border: 2px dashed rgba(28, 58, 79, 0.95);
  border-radius: 50%;
}

.page-about .about-orbit__ring::after {
  content: "";
  position: absolute;
  inset: 22%;
  border: 1px solid rgba(49, 242, 211, 0.22);
  border-radius: 50%;
}

.page-about .about-orbit__core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: var(--frame) solid rgba(49, 242, 211, 0.6);
  background: radial-gradient(circle at 50% 35%, rgba(49, 242, 211, 0.16), var(--ink-2) 72%);
  text-align: center;
}

.page-about .about-orbit__num {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-orbit__cap {
  font-size: 0.68rem;
  color: var(--cyan-soft);
  letter-spacing: 0.04em;
}

.page-about .about-orbit__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-orbit__node {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 92px;
  transform: translate(-50%, -50%) rotate(var(--a)) translateX(clamp(96px, 30vw, 142px)) rotate(calc(-1 * var(--a)));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.page-about .about-orbit__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-0);
  border: 2px solid var(--cyan-soft);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-about .about-orbit__label {
  font-size: 0.68rem;
  line-height: 1.3;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-about .about-orbit__tip {
  font-size: 0.62rem;
  line-height: 1.3;
  padding: 2px 6px;
  border-radius: var(--r-pill);
  background: rgba(123, 228, 149, 0.14);
  color: var(--ok);
  border: 1px solid rgba(123, 228, 149, 0.4);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease;
  white-space: nowrap;
}

.page-about .about-orbit__node:hover .about-orbit__dot,
.page-about .about-orbit__node:focus-within .about-orbit__dot {
  background: var(--cyan);
  border-color: var(--cyan);
  transform: scale(1.25);
  box-shadow: 0 0 0 4px rgba(49, 242, 211, 0.16);
}

.page-about .about-orbit__node:hover .about-orbit__label,
.page-about .about-orbit__node:focus-within .about-orbit__label {
  color: var(--text);
}

.page-about .about-orbit__node:hover .about-orbit__tip,
.page-about .about-orbit__node:focus-within .about-orbit__tip {
  opacity: 1;
  transform: translateY(0);
}

.page-about .about-orbit__note {
  margin: 0;
  max-width: 34ch;
  font-size: 0.8125rem;
  color: var(--muted);
  text-align: center;
}

.page-about .about-promise {
  border-bottom: 0;
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-about .about-promise__panel {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border: var(--frame) solid var(--line);
  border-radius: var(--r-panel);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(245, 181, 74, 0.12), transparent 62%),
    linear-gradient(160deg, var(--ink-2) 0%, var(--ink-1) 68%);
  box-shadow: var(--shadow-hard);
}

.page-about .about-promise__text {
  margin: 0 0 26px;
  max-width: 48ch;
  color: var(--about-body);
}

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

.page-about .about-promise__links .btn {
  text-decoration: none;
}

@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-rules__list > li {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 24px 26px;
  }

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

  .page-about .about-eco__facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-left: 3px solid var(--amber);
    padding: 12px 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-about .about-origin {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-about .about-origin__head {
    position: sticky;
    top: 96px;
  }

  .page-about .about-version__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-version__figure {
    position: sticky;
    top: 96px;
    margin-top: 8px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-about .about-team__cards > .about-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .about-team__cards > .about-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (min-width: 1100px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__card,
  .page-about .about-orbit__dot,
  .page-about .about-orbit__tip {
    transition: none;
  }
}
<<<END>>>

.page-about {
  --a: var(--max);
}