.page-about {
  padding-bottom: 0;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 3vw, 40px) 0 clamp(48px, 7vw, 96px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(880px 400px at 84% -8%, rgba(255, 106, 0, 0.16), transparent 62%),
    radial-gradient(680px 360px at 4% 112%, rgba(35, 224, 208, 0.12), transparent 64%);
  pointer-events: none;
}

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

.page-about .about-hero__grid {
  align-items: end;
  row-gap: clamp(28px, 4vw, 48px);
}

.page-about .about-hero__title {
  margin: 18px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-72);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-hero__title::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 26px;
  background: var(--orange);
}

.page-about .about-hero__sub {
  max-width: 56ch;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__meta {
  align-self: stretch;
  padding: 22px 24px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 37, 64, 0.85), rgba(6, 21, 39, 0.6));
  box-shadow: var(--shadow-panel);
}

.page-about .about-hero__meta-title {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-about .about-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__fact:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-hero__k {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-hero__v {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-22);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

/* ---------- Section shell ---------- */
.page-about .about-sect {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-sect__inner {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
}

.page-about .about-sect__rail {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  align-self: start;
  padding-top: 4px;
}

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

.page-about .about-sect__head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-sect__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-48);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-sect__desc {
  margin: 16px 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 01 Timeline ---------- */
.page-about .about-axis__viz {
  margin-bottom: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(13, 37, 64, 0.72), rgba(6, 21, 39, 0.9));
  overflow: hidden;
}

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

.page-about .about-axis {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-axis::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line) 0%, var(--cyan) 48%, var(--orange) 100%);
}

.page-about .about-axis__item {
  position: relative;
  padding: 34px 18px 0 0;
}

.page-about .about-axis__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 193, 77, 0.16);
  transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-axis__item:hover .about-axis__dot,
.page-about .about-axis__item:focus-within .about-axis__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(35, 224, 208, 0.18);
}

.page-about .about-axis__year {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .about-axis__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-17);
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-axis__bubble {
  position: absolute;
  left: 0;
  bottom: calc(100% + 14px);
  width: max(220px, 100%);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--sea-800);
  box-shadow: var(--shadow-hover);
  font-size: var(--fs-13);
  line-height: 1.65;
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  pointer-events: none;
  z-index: 3;
}

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

.page-about .about-axis__item:focus-within {
  outline: none;
}

/* ---------- 02 Team ---------- */
.page-about .about-team__grid {
  align-items: start;
  row-gap: clamp(28px, 4vw, 44px);
}

.page-about .about-team__text {
  margin: 0 0 22px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-roles {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-roles__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-roles__row:hover {
  border-color: var(--cyan);
  background: rgba(35, 224, 208, 0.04);
}

.page-about .about-roles__name {
  font-size: var(--fs-15);
  line-height: 1.6;
  color: var(--text);
}

.page-about .about-roles__count {
  flex: none;
  font-size: var(--fs-22);
  color: var(--amber);
}

.page-about .about-team__note {
  margin: 20px 0 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--muted);
}

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

.page-about .about-team__figure .media-frame__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 03 Coverage ---------- */
.page-about .about-map__grid {
  align-items: start;
  row-gap: clamp(28px, 4vw, 44px);
}

.page-about .about-map__copy p {
  margin: 0 0 16px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-map__copy .btn {
  margin-top: 8px;
}

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

.page-about .about-map__figure .media-frame__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 04 Cadence ---------- */
.page-about .about-cadence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-cadence__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--sea-900);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-cadence__item:hover {
  background: var(--sea-800);
  box-shadow: inset 0 2px 0 var(--cyan);
}

.page-about .about-cadence__item--accent {
  box-shadow: inset 0 2px 0 var(--orange);
}

.page-about .about-cadence__rhythm {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-cadence__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
  line-height: 1.24;
  color: var(--white);
}

.page-about .about-cadence__text {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 05 Partners ---------- */
.page-about .about-partners__grid {
  align-items: start;
  row-gap: clamp(28px, 4vw, 44px);
}

.page-about .about-partners__copy p {
  margin: 0 0 16px;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-partners__stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-partners__stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 20px;
  background: var(--sea-900);
  transition: background var(--dur) var(--ease);
}

.page-about .about-partners__stat:hover {
  background: var(--sea-800);
}

.page-about .about-partners__num {
  flex: none;
  min-width: 62px;
  font-size: var(--fs-32);
  color: var(--cyan);
}

.page-about .about-partners__stat--amber .about-partners__num {
  color: var(--amber);
}

.page-about .about-partners__cap {
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Brief + index ---------- */
.page-about .about-brief {
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 112px);
  border-top: 1px solid var(--line);
}

.page-about .about-brief__panel {
  position: relative;
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(13, 37, 64, 0.9), rgba(6, 21, 39, 0.96)),
    var(--sea-900);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-about .about-brief__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber) 42%, var(--cyan));
}

.page-about .about-brief__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .about-brief__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-48);
  line-height: 1.06;
  color: var(--white);
}

.page-about .about-brief__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  margin: 0 0 clamp(32px, 4vw, 52px);
  padding: 0;
  list-style: none;
}

.page-about .about-brief__line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-brief__idx {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .about-brief__sub {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--white);
}

.page-about .about-index {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-about .about-index__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: var(--fs-15);
}

.page-about .about-index__table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(23, 57, 92, 0.28);
  border-bottom: 1px solid var(--line);
}

.page-about .about-index__table th,
.page-about .about-index__table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.68;
}

.page-about .about-index__table tbody th {
  text-align: left;
  font-weight: 400;
  color: var(--text);
}

.page-about .about-index__table tbody td {
  color: var(--muted);
}

.page-about .about-index__table tbody td.num {
  font-size: var(--fs-17);
  color: var(--amber);
  white-space: nowrap;
}

.page-about .about-index__table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-about .about-index__table tbody tr:hover {
  background: rgba(35, 224, 208, 0.06);
}

.page-about .about-index__table tbody tr:hover th,
.page-about .about-index__table tbody tr:hover td {
  border-bottom-color: var(--cyan);
}

.page-about .about-index__table tbody tr:last-child th,
.page-about .about-index__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .about-brief__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3vw, 38px);
}

/* ---------- Tablet ---------- */
@media (max-width: 1024px) {
  .page-about .about-cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-brief__list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ---------- Narrow ---------- */
@media (max-width: 860px) {
  .page-about .about-sect__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
  .page-about .about-sect__rail {
    position: static;
    padding-top: 0;
  }
  .page-about .about-team__intro,
  .page-about .about-team__figure,
  .page-about .about-map__copy,
  .page-about .about-map__figure,
  .page-about .about-partners__copy,
  .page-about .about-partners__stats {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .page-about .about-hero__lead,
  .page-about .about-hero__meta {
    grid-column: 1 / -1;
  }
  .page-about .about-hero__title::after {
    margin-top: 20px;
  }
  .page-about .about-axis::before {
    top: 0;
    bottom: 0;
    left: 5px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, var(--amber), var(--cyan));
  }
  .page-about .about-axis {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }
  .page-about .about-axis__item {
    padding: 0 0 0 30px;
  }
  .page-about .about-axis__dot {
    top: 5px;
    left: 0;
  }
  .page-about .about-axis__bubble {
    position: static;
    width: auto;
    margin-top: 10px;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
  .page-about .about-cadence {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .about-partners__stat {
    flex-direction: column;
    gap: 6px;
  }
  .page-about .about-partners__num {
    min-width: 0;
    font-size: var(--fs-22);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-axis__dot,
  .page-about .about-axis__bubble,
  .page-about .about-roles__row,
  .page-about .about-cadence__item,
  .page-about .about-partners__stat,
  .page-about .about-index__table tbody tr {
    transition: none;
  }
  .page-about .about-axis__bubble {
    transform: none;
  }
}
<<<END>>>