.page-about {
  --about-soft-line: rgba(42, 59, 85, 0.75);
  --about-veil: rgba(19, 34, 56, 0.55);
  color: var(--yy-text);
}

.page-about .about-crumbs {
  padding: 20px 0 4px;
  max-width: var(--yy-max);
  margin: 0 auto;
  padding-left: var(--yy-gutter);
  padding-right: var(--yy-gutter);
}

.page-about .about-h2 {
  font-family: var(--yy-font-sans);
  font-weight: 900;
  font-size: clamp(1.55rem, 5.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 18px;
  color: var(--yy-text);
}

.page-about p {
  line-height: 1.75;
  font-size: 1rem;
  color: #cfd8e6;
  margin: 0 0 1em;
  max-width: 36em;
}

.page-about .yy-eyebrow {
  margin: 0 0 6px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 8px 0 48px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -20% -30% auto auto;
  width: 130%;
  height: 130%;
  background: linear-gradient(200deg, rgba(19, 34, 56, 0.95) 0%, rgba(11, 21, 38, 0) 62%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-about .about-hero__title {
  font-family: var(--yy-font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 8.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 8px 0 18px;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  font-size: 1.06rem;
  color: var(--yy-text);
  max-width: 32em;
}

.page-about .about-hero__sub {
  color: var(--yy-muted);
  font-size: 0.95rem;
  max-width: 32em;
}

.page-about .about-metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--about-soft-line);
}

.page-about .about-metrics__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-about .about-metrics__num {
  font-size: clamp(1.4rem, 5.6vw, 2.1rem);
  font-weight: 700;
  color: var(--yy-green);
  line-height: 1;
}

.page-about .about-metrics__label {
  font-size: 0.75rem;
  color: var(--yy-muted);
  letter-spacing: 0.02em;
}

.page-about .about-hero__media {
  margin: 0;
  position: relative;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--yy-radius-card);
  border: 1px solid var(--about-soft-line);
}

.page-about .about-hero__caption {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--yy-muted);
  line-height: 1.6;
}

/* ---------- shared section rhythm ---------- */
.page-about .about-section {
  padding: 46px 0;
  position: relative;
}

.page-about .about-section + .about-section {
  border-top: 1px solid rgba(42, 59, 85, 0.4);
}

/* ---------- why ---------- */
.page-about .about-why__inner {
  display: grid;
  gap: 28px;
}

.page-about .about-quote {
  margin: 0;
  background: var(--yy-paper);
  color: var(--yy-paper-ink);
  border-radius: var(--yy-radius-card);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}

.page-about .about-quote::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--yy-green);
  opacity: 0.35;
}

.page-about .about-quote__text {
  position: relative;
  font-family: var(--yy-font-serif);
  font-weight: 500;
  font-size: clamp(1.15rem, 4.4vw, 1.5rem);
  line-height: 1.6;
  color: var(--yy-paper-ink);
  margin: 0 0 14px;
  max-width: 22em;
}

.page-about .about-quote__by {
  position: relative;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: #4a5a70;
}

/* ---------- timeline ---------- */
.page-about .about-track__head {
  margin-bottom: 28px;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 30px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--yy-green), var(--yy-teal) 55%, var(--yy-orange));
  opacity: 0.55;
  border-radius: 2px;
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 18px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--yy-green);
  box-shadow: 0 0 0 4px rgba(184, 255, 60, 0.14);
}

.page-about .about-node {
  background: var(--yy-layer);
  border: 1px solid var(--about-soft-line);
  border-radius: var(--yy-radius-card);
  overflow: hidden;
}

.page-about .about-node__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

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

.page-about .about-node__sum:focus-visible {
  outline: 2px solid var(--yy-green);
  outline-offset: -2px;
}

.page-about .about-node__year {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--yy-green);
  flex: 0 0 auto;
}

.page-about .about-node__title {
  font-weight: 700;
  font-size: 1rem;
  flex: 1 1 auto;
  min-width: 0;
}

.page-about .about-node__chev {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--yy-muted);
  border-bottom: 2px solid var(--yy-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.page-about .about-node[open] .about-node__chev {
  transform: rotate(-135deg);
}

.page-about .about-node__body {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(42, 59, 85, 0.6);
  padding-top: 14px;
}

.page-about .about-node__body p {
  font-size: 0.93rem;
  margin-bottom: 0.7em;
}

.page-about .about-node__mark {
  color: var(--yy-yellow);
  font-size: 0.85rem;
}

/* ---------- flow ---------- */
.page-about .about-flow__lead {
  color: var(--yy-muted);
  font-size: 0.95rem;
}

.page-about .about-flow__media {
  margin: 22px 0 28px;
}

.page-about .about-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--yy-radius-media);
  border: 1px solid var(--about-soft-line);
}

.page-about .about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: flow;
}

.page-about .about-flow__step {
  background: linear-gradient(160deg, rgba(19, 34, 56, 0.95), rgba(6, 11, 20, 0.9));
  border: 1px solid var(--about-soft-line);
  border-left: 3px solid var(--yy-teal);
  border-radius: var(--yy-radius-media);
  padding: 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-about .about-flow__time {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--yy-orange);
  border: 1px solid rgba(255, 90, 43, 0.5);
  border-radius: var(--yy-radius-pill);
  padding: 2px 10px;
  margin-bottom: 10px;
}

.page-about .about-flow__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about .about-flow__text {
  font-size: 0.9rem;
  color: var(--yy-muted);
  margin: 0 0 10px;
}

.page-about .about-flow__out {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--yy-teal);
  background: rgba(56, 198, 192, 0.1);
  border-radius: var(--yy-radius-pill);
  padding: 4px 12px;
  opacity: 0.55;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

/* ---------- team tabs ---------- */
.page-about .about-team__lead {
  color: var(--yy-muted);
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.page-about .about-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-about .about-tab {
  appearance: none;
  font-family: var(--yy-font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--yy-text);
  background: var(--yy-layer);
  border: 1px solid var(--about-soft-line);
  border-radius: var(--yy-radius-pill);
  padding: 11px 18px;
  min-height: 44px;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-tab[aria-selected="true"] {
  background: var(--yy-green);
  color: var(--yy-ink);
  border-color: var(--yy-green);
}

.page-about .about-tab:focus-visible {
  outline: 2px solid var(--yy-green);
  outline-offset: 3px;
}

.page-about .about-tabs__panel {
  background: var(--yy-layer);
  border: 1px solid var(--about-soft-line);
  border-radius: var(--yy-radius-card);
  padding: 22px 20px;
}

.page-about .about-tabs__panel + .about-tabs__panel {
  margin-top: 12px;
}

.page-about .about-tabs__title {
  font-family: var(--yy-font-serif);
  font-weight: 500;
  font-size: 1.2rem;
  margin: 0 0 12px;
  color: var(--yy-text);
}

.page-about .about-tabs__panel p {
  font-size: 0.93rem;
  margin-bottom: 0.8em;
}

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

/* ---------- region ---------- */
.page-about .about-region {
  background: linear-gradient(180deg, rgba(19, 34, 56, 0.55), rgba(11, 21, 38, 0));
}

.page-about .about-region__inner {
  display: grid;
  gap: 26px;
}

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

.page-about .about-region__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--yy-radius-card);
  border: 1px solid var(--about-soft-line);
}

.page-about .about-region__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--about-soft-line);
}

.page-about .about-region__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-about .about-region__num {
  font-size: clamp(1.15rem, 4.8vw, 1.6rem);
  font-weight: 700;
  color: var(--yy-text);
  line-height: 1.1;
}

.page-about .about-region__label {
  font-size: 0.74rem;
  color: var(--yy-muted);
}

/* ---------- hold ---------- */
.page-about .about-hold__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-hold__item {
  background: var(--yy-layer);
  border: 1px solid var(--about-soft-line);
  border-radius: var(--yy-radius-card);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
}

.page-about .about-hold__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--yy-green), var(--yy-teal));
  opacity: 0.8;
}

.page-about .about-hold__idx {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--yy-green);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}

.page-about .about-hold__title {
  font-size: 1.1rem;
  font-weight: 900;
  margin: 0 0 8px;
}

.page-about .about-hold__item p {
  font-size: 0.92rem;
  color: var(--yy-muted);
  margin: 0;
}

/* ---------- next ---------- */
.page-about .about-next {
  padding-bottom: 64px;
}

.page-about .about-next__inner {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-about .about-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  padding: 16px 18px;
  border: 1px solid var(--about-soft-line);
  border-radius: var(--yy-radius-media);
  background: rgba(19, 34, 56, 0.6);
  text-decoration: none;
  color: var(--yy-text);
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: rgba(19, 34, 56, 1);
  border-color: var(--yy-green);
  transform: translateY(-2px);
}

.page-about .about-next__link:focus-visible {
  outline: 2px solid var(--yy-green);
  outline-offset: 2px;
}

.page-about .about-next__link-t {
  font-weight: 700;
  font-size: 1rem;
}

.page-about .about-next__link-d {
  font-size: 0.82rem;
  color: var(--yy-muted);
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-about .about-flow__step {
    will-change: transform;
  }
}

/* ---------- tablet / desktop ---------- */
@media (min-width: 720px) {
  .page-about .about-section {
    padding: 64px 0;
  }

  .page-about .about-why__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-quote {
    padding: 32px 28px;
    position: sticky;
    top: 96px;
  }

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

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

  .page-about .about-region__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 36px;
    align-items: center;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 36px;
  }

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

@media (min-width: 980px) {
  .page-about .about-hero {
    padding: 16px 0 72px;
  }

  .page-about .about-hero::before {
    inset: -30% -40% auto auto;
    background: linear-gradient(214deg, rgba(19, 34, 56, 0.98) 0%, rgba(11, 21, 38, 0) 58%);
    clip-path: polygon(38% 0, 100% 0, 100% 100%, 8% 100%);
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__media {
    margin-bottom: 6px;
  }

  .page-about .about-hero__media img {
    aspect-ratio: 4 / 3;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-flow__step {
    padding: 20px 16px;
  }

  .page-about .about-flow__step:hover {
    border-left-color: var(--yy-green);
    transform: translateY(-3px);
  }

  .page-about .about-flow__step:hover .about-flow__out,
  .page-about .about-flow__step:focus-within .about-flow__out {
    opacity: 1;
    background: rgba(56, 198, 192, 0.18);
  }

  .page-about .about-timeline {
    padding-left: 40px;
  }

  .page-about .about-timeline__item::before {
    left: -40px;
    top: 20px;
  }

  .page-about .about-node__sum {
    padding: 18px 24px;
  }

  .page-about .about-node__body {
    padding: 0 24px 20px;
    padding-top: 14px;
  }

  .page-about .about-tabs__panel {
    padding: 28px 28px;
  }

  .page-about .about-hold__item {
    padding: 26px 24px;
  }
}
<<<PAGE_CSS_END>>>