.page-about {
  --about-radius: 16px;
  --about-max-text: 62ch;
  background: var(--cs-sand);
  color: var(--cs-ink);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--cs-deep);
  color: var(--cs-sand);
  padding: calc(var(--cs-header-h) + clamp(34px, 7vw, 82px)) 0 clamp(46px, 7vw, 88px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(168, 216, 223, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 216, 223, 0.1) 1px, transparent 1px);
  background-size: 74px 74px;
  -webkit-mask-image: linear-gradient(158deg, #000 26%, rgba(0, 0, 0, 0.15) 72%, transparent 96%);
  mask-image: linear-gradient(158deg, #000 26%, rgba(0, 0, 0, 0.15) 72%, transparent 96%);
  pointer-events: none;
}

.page-about .about-hero__shard {
  position: absolute;
  right: -10%;
  top: -6%;
  width: 52%;
  height: 118%;
  z-index: -1;
  background: linear-gradient(205deg, rgba(46, 143, 163, 0.55), rgba(7, 26, 47, 0) 74%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .cs-breadcrumb {
  color: rgba(242, 232, 213, 0.62);
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-hero .cs-breadcrumb a {
  color: var(--cs-lake-soft);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  align-items: end;
}

.page-about .about-hero__lead .cs-label {
  color: var(--cs-lime);
}

.page-about .about-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--cs-font-head);
  font-weight: 800;
  font-size: clamp(33px, 6.6vw, 72px);
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: var(--cs-fog);
  max-width: 15ch;
}

.page-about .about-hero__text {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.1vw, 17.5px);
  line-height: 1.85;
  color: rgba(242, 232, 213, 0.84);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 34px);
}

.page-about .about-hero__panel {
  border: 1px solid var(--cs-line-light);
  border-radius: var(--cs-radius);
  padding: clamp(20px, 3.4vw, 30px);
  background: rgba(7, 26, 47, 0.55);
}

.page-about .about-hero__panel-title {
  margin: 0 0 18px;
  font-family: var(--cs-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cs-lake-soft);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
  margin: 0;
}

.page-about .about-hero__fact dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(168, 216, 223, 0.82);
}

.page-about .about-hero__fact dd {
  margin: 7px 0 0;
  font-family: var(--cs-font-mono);
  font-size: clamp(17px, 2.5vw, 22px);
  line-height: 1.3;
  color: var(--cs-lime);
}

/* ---------- Origin ---------- */
.page-about .about-origin {
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: center;
}

.page-about .about-origin h2,
.page-about .about-timeline h2,
.page-about .about-method h2,
.page-about .about-eco h2,
.page-about .about-honor h2 {
  margin: 12px 0 18px;
  font-family: var(--cs-font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--cs-deep);
}

.page-about .about-origin__prose p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(20, 27, 32, 0.86);
}

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

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

.page-about .about-origin__figure figcaption,
.page-about .about-tl-figure figcaption,
.page-about .about-method__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(20, 27, 32, 0.6);
}

.page-about .cs-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--about-radius);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  position: relative;
  padding: clamp(52px, 8vw, 104px) 0;
  background: linear-gradient(180deg, var(--cs-sand) 0%, var(--cs-sand-2) 100%);
}

.page-about .about-timeline__head {
  margin-bottom: clamp(30px, 5vw, 54px);
}

.page-about .about-timeline__lead {
  margin: 0 0 22px;
  max-width: var(--about-max-text);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(20, 27, 32, 0.78);
}

.page-about .about-years {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-years__link {
  display: inline-block;
  padding: 6px 13px;
  font-family: var(--cs-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cs-deep);
  text-decoration: none;
  border: 1px solid var(--cs-line-strong);
  border-radius: 999px;
  transition: background-color 200ms var(--cs-ease), color 200ms var(--cs-ease), border-color 200ms var(--cs-ease);
}

.page-about .about-years__link:hover,
.page-about .about-years__link:focus-visible {
  background: var(--cs-deep);
  border-color: var(--cs-deep);
  color: var(--cs-sand);
}

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

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cs-lake), rgba(46, 143, 163, 0.18));
}

.page-about .about-tl__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: clamp(26px, 4vw, 44px);
  scroll-margin-top: calc(var(--cs-header-h) + 24px);
}

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

.page-about .about-tl__year {
  grid-column: 2;
  margin-bottom: 6px;
  font-family: var(--cs-font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cs-lake);
}

.page-about .about-tl__dot {
  grid-column: 1;
  grid-row: 1 / span 2;
  position: relative;
}

.page-about .about-tl__dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 3px;
  width: 9px;
  height: 9px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--cs-sand);
  border: 2px solid var(--cs-lake);
}

.page-about .about-tl__item--key .about-tl__dot::after {
  background: var(--cs-orange);
  border-color: var(--cs-orange);
  box-shadow: 0 0 0 4px rgba(232, 93, 42, 0.18);
}

.page-about .about-tl__body {
  grid-column: 2;
}

.page-about .about-tl__body h3 {
  margin: 0 0 8px;
  font-family: var(--cs-font-head);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  letter-spacing: 0.005em;
  color: var(--cs-deep);
}

.page-about .about-tl__body p {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(14.5px, 1.8vw, 16px);
  line-height: 1.8;
  color: rgba(20, 27, 32, 0.78);
}

.page-about .about-tl-figure {
  margin: clamp(28px, 5vw, 44px) 0 0;
}

/* ---------- Method ---------- */
.page-about .about-method {
  background: var(--cs-deep);
  color: var(--cs-sand);
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-about .about-method .cs-label {
  color: var(--cs-lime);
}

.page-about .about-method h2 {
  color: var(--cs-fog);
}

.page-about .about-method__head {
  margin-bottom: clamp(28px, 4.5vw, 48px);
}

.page-about .about-method__lead {
  margin: 0;
  max-width: var(--about-max-text);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(242, 232, 213, 0.82);
}

.page-about .about-method__stats {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(28px, 4.5vw, 46px);
  padding: 1px;
  list-style: none;
  border-radius: var(--about-radius);
  background: rgba(168, 216, 223, 0.22);
  overflow: hidden;
}

.page-about .about-method__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 3vw, 24px);
  background: var(--cs-deep);
}

.page-about .about-method__num {
  font-family: var(--cs-font-mono);
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1;
  color: var(--cs-lime);
}

.page-about .about-method__cap {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(242, 232, 213, 0.7);
}

.page-about .about-method__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-about .about-method__group {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--cs-line-light);
}

.page-about .about-method__group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about .about-method__group h3 {
  margin: 0 0 8px;
  font-family: var(--cs-font-head);
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  color: var(--cs-lake-soft);
}

.page-about .about-method__group p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 232, 213, 0.8);
}

.page-about .about-method__rhythm {
  align-self: start;
  border: 1px solid var(--cs-line-light);
  border-radius: var(--cs-radius);
  padding: clamp(20px, 3.2vw, 28px);
  background: rgba(7, 26, 47, 0.5);
}

.page-about .about-method__rhythm .cs-label {
  color: var(--cs-lake-soft);
}

.page-about .about-method__list {
  margin: 14px 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-method__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 232, 213, 0.84);
}

.page-about .about-method__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cs-orange);
}

.page-about .about-method__list strong {
  font-family: var(--cs-font-mono);
  font-weight: 600;
  color: var(--cs-lime);
  margin-right: 4px;
}

.page-about .about-method__link {
  display: inline-block;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--cs-lake-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-about .about-method__link:hover,
.page-about .about-method__link:focus-visible {
  color: var(--cs-lime);
}

.page-about .about-method__figure {
  margin: clamp(28px, 5vw, 46px) 0 0;
}

.page-about .about-method__figure figcaption {
  color: rgba(242, 232, 213, 0.6);
}

/* ---------- Ecosystem ---------- */
.page-about .about-eco {
  padding: clamp(56px, 9vw, 112px) 0;
  background: var(--cs-sand);
}

.page-about .about-eco__head {
  max-width: var(--about-max-text);
  margin-bottom: clamp(28px, 4.5vw, 48px);
}

.page-about .about-eco__head p {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(20, 27, 32, 0.78);
}

.page-about .about-eco__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-about .about-eco__tags {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-eco__tag {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--cs-fog);
  border: 1px solid var(--cs-line);
  border-left: 3px solid var(--cs-lake);
  border-radius: 12px;
}

.page-about .about-eco__tag strong {
  font-family: var(--cs-font-mono);
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.1;
  color: var(--cs-deep);
}

.page-about .about-eco__tag span {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(20, 27, 32, 0.66);
}

.page-about .about-eco__body p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.9vw, 16.5px);
  line-height: 1.85;
  color: rgba(20, 27, 32, 0.84);
}

.page-about .about-eco__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-about .about-eco__actions .cs-btn--sm {
  border: 1px solid var(--cs-deep);
  color: var(--cs-deep);
  background: transparent;
  text-decoration: none;
}

.page-about .about-eco__actions .cs-btn--sm:hover,
.page-about .about-eco__actions .cs-btn--sm:focus-visible {
  background: var(--cs-deep);
  color: var(--cs-sand);
}

/* ---------- Honor ---------- */
.page-about .about-honor {
  padding: 0 0 clamp(56px, 9vw, 104px);
  background: var(--cs-sand);
}

.page-about .about-honor__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding: clamp(26px, 5vw, 56px);
  border-radius: calc(var(--cs-radius) + 8px);
  background: var(--cs-abyss);
  color: var(--cs-sand);
}

.page-about .about-honor__panel::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -30%;
  width: 46%;
  height: 120%;
  background: linear-gradient(200deg, rgba(46, 143, 163, 0.34), rgba(7, 26, 47, 0));
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-honor__col {
  position: relative;
  z-index: 1;
}

.page-about .about-honor .cs-label {
  color: var(--cs-lime);
}

.page-about .about-honor h2 {
  color: var(--cs-fog);
}

.page-about .about-honor__awards {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-honor__awards li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--cs-line-light);
  background: rgba(11, 42, 74, 0.6);
}

.page-about .about-honor__year {
  font-family: var(--cs-font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cs-orange);
}

.page-about .about-honor__name {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(242, 232, 213, 0.92);
}

.page-about .about-honor__col--aside h3 {
  margin: 0 0 12px;
  font-family: var(--cs-font-head);
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 700;
  color: var(--cs-lake-soft);
}

.page-about .about-honor__col--aside p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 232, 213, 0.82);
}

.page-about .about-honor__hint {
  color: rgba(168, 216, 223, 0.78) !important;
}

.page-about .about-honor__col--aside .cs-btn--primary {
  margin-top: 8px;
  text-decoration: none;
}

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .page-about .about-eco__tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-method__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 64px);
  }

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

  .page-about .about-tl::before {
    left: 163px;
  }

  .page-about .about-tl__item {
    grid-template-columns: 128px 26px minmax(0, 1fr);
    column-gap: 22px;
  }

  .page-about .about-tl__year {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
    padding-top: 3px;
    text-align: right;
    font-size: 15px;
  }

  .page-about .about-tl__dot {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-tl__body {
    grid-column: 3;
    grid-row: 1;
  }

  .page-about .about-tl-figure {
    max-width: 660px;
    margin-left: 176px;
  }

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

  .page-about .about-method__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-method__figure {
    max-width: 760px;
  }

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

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

@media (min-width: 1080px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .about-hero h1 {
    max-width: 16ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-years__link,
  .page-about .about-eco__actions .cs-btn--sm {
    transition: none;
  }
}
<<<END>>>