.page-about {
  --about-gold-rgb: 212, 175, 55;
  --about-serif: var(--font-heading);
  --about-sans: var(--font-body);
  --about-track-size: 16px;
  background: var(--color-bg-deep);
  color: var(--color-text-strong);
  font-family: var(--about-sans);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-about .container {
  width: min(92%, 1200px);
  margin-inline: auto;
}

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

.page-about a {
  color: var(--color-gold);
  text-decoration: none;
}

.page-about .breadcrumb {
  padding-block: 1.2rem 0.2rem;
  border-bottom: 1px solid rgba(var(--about-gold-rgb), 0.18);
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .breadcrumb__link {
  font-size: 0.82rem;
  color: var(--color-light-gold);
}

.page-about .breadcrumb__sep {
  margin-inline: 0.35rem;
  color: var(--color-border-gold);
}

.page-about .breadcrumb__text {
  font-size: 0.82rem;
  color: var(--color-gold);
}

.page-about .section-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-about .section-label::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: var(--color-gold);
  flex: 0 0 auto;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--about-serif);
  line-height: 1.25;
}

.page-about .about-hero {
  padding: 3rem 0 4rem;
  position: relative;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 18%;
  width: 34%;
  height: 42%;
  background: radial-gradient(ellipse at center, rgba(var(--about-gold-rgb), 0.12), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
}

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

.page-about .about-hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
  color: var(--color-text-strong);
  max-width: 13em;
}

.page-about .about-hero__lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-light-gold);
  max-width: 34rem;
  margin: 0 0 1.8rem;
}

.page-about .about-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding: 1.2rem 0;
  margin-bottom: 1.4rem;
  border-top: 1px solid rgba(var(--about-gold-rgb), 0.22);
  border-bottom: 1px solid rgba(var(--about-gold-rgb), 0.22);
}

.page-about .about-hero__index-link {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--color-light-gold);
  transition: color 0.25s ease-out;
}

.page-about .about-hero__index-link:hover,
.page-about .about-hero__index-link:focus-visible {
  color: var(--color-gold);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero__aside {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary);
  padding: 1.6rem 1.4rem;
  border-left: 2px solid var(--color-gold);
}

.page-about .about-hero__aside-label {
  margin: 0 0 1.2rem;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-border-gold);
}

.page-about .about-hero__coord {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-about .about-hero__coord li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-about .about-hero__coord span {
  font-family: var(--about-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  white-space: nowrap;
}

.page-about .about-hero__coord em {
  font-style: normal;
  font-size: 0.82rem;
  color: var(--color-light-gold);
}

.page-about .about-hero__aside-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-light-gold);
  border-left: 1px solid var(--color-border-gold);
  padding-left: 0.8rem;
}

.page-about .about-mission {
  background: var(--color-bg-light);
  color: var(--color-ink);
  padding: 4rem 0;
  scroll-margin-top: calc(var(--header-height) + 10px);
}

.page-about .about-mission .section-label {
  color: #9c7a1f;
}

.page-about .about-mission .section-label::before {
  background: #9c7a1f;
}

.page-about .about-mission h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  margin: 0 0 1.2rem;
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}

.page-about .about-mission__content p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: #3b2a1b;
}

.page-about .about-mission__points {
  list-style: none;
  margin: 1.4rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-about .about-mission__points li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.94rem;
  color: #2c2114;
}

.page-about .about-mission__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.85);
}

.page-about .about-mission a {
  color: #82660e;
}

.page-about .about-mission__media {
  display: flex;
  justify-content: center;
}

.page-about .about-figure {
  margin: 0;
  width: 100%;
}

.page-about .about-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: #6b4c3b;
  line-height: 1.6;
}

.page-about .about-figure--offset {
  position: relative;
}

.page-about .about-figure--offset::before {
  content: "";
  position: absolute;
  inset: auto auto -0.9rem -0.9rem;
  width: 76%;
  height: 76%;
  background: rgba(212, 175, 55, 0.22);
  z-index: 0;
}

.page-about .about-figure--offset img {
  position: relative;
  z-index: 1;
  box-shadow: 0 18px 42px rgba(26, 26, 26, 0.14);
}

.page-about .about-figure--offset figcaption {
  position: relative;
  z-index: 1;
}

.page-about .about-journey-split {
  display: grid;
  grid-template-columns: 1fr;
  padding: 4rem 0 0;
}

.page-about .about-journey {
  scroll-margin-top: calc(var(--header-height) + 10px);
  padding-bottom: 3.5rem;
}

.page-about .about-journey__inner {
  width: min(92%, 1200px);
  margin-inline: auto;
}

.page-about .about-journey h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin: 0 0 0.7rem;
}

.page-about .about-journey__lead {
  color: var(--color-light-gold);
  font-size: 0.96rem;
  max-width: 40rem;
  margin: 0 0 2rem;
}

.page-about .about-journey__banner {
  margin: 0 0 3rem;
}

.page-about .about-journey__banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-about .about-journey__banner figcaption {
  margin-top: 0.55rem;
  font-size: 0.8rem;
  color: var(--color-light-gold);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: calc(var(--about-track-size) / 2 - 1px);
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--color-border-gold);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 2.2rem 2.7rem;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0.4rem;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: var(--about-track-size);
  height: var(--about-track-size);
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(var(--about-gold-rgb), 0.18), 0 0 0 1px var(--color-bg-deep);
}

.page-about .about-timeline__stage {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.15rem 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(var(--about-gold-rgb), 0.35);
  border-radius: 999px;
}

.page-about .about-timeline__card {
  background: rgba(75, 52, 35, 0.4);
  padding: 1rem 1.1rem;
  border-left: 2px solid var(--color-transition);
  transition: border-color 0.25s ease-out, background 0.25s ease-out;
}

.page-about .about-timeline__item:hover .about-timeline__card {
  border-left-color: var(--color-gold);
  background: rgba(75, 52, 35, 0.66);
}

.page-about .about-timeline__card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--color-text-strong);
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-light-gold);
}

.page-about .about-capability {
  scroll-margin-top: calc(var(--header-height) + 10px);
  background: var(--color-bg-secondary);
  border-left: 2px solid var(--color-border-gold);
  padding: 3.5rem 1.2rem 3.5rem;
}

.page-about .about-capability__inner {
  max-width: 620px;
  margin-inline: auto;
}

.page-about .about-capability h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
}

.page-about .about-capability__lead {
  color: var(--color-light-gold);
  font-size: 0.9rem;
  margin: 0 0 1.6rem;
}

.page-about .about-capability__map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0 0 1.8rem;
}

.page-about .about-capability__legend {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border-gold);
  color: var(--color-text-strong);
  font-size: 0.86rem;
  transition: background 0.25s ease-out, border-color 0.25s ease-out, color 0.25s ease-out;
}

.page-about .about-capability__legend:hover,
.page-about .about-capability__legend:focus {
  background: rgba(var(--about-gold-rgb), 0.14);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.page-about .about-capability__axis {
  font-family: var(--about-serif);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 0.9rem;
}

.page-about .about-capability__key {
  color: var(--color-light-gold);
  transition: color 0.25s ease-out;
}

.page-about .about-capability__legend:hover .about-capability__key {
  color: var(--color-gold);
}

.page-about .about-capability__cards {
  display: grid;
  gap: 0.75rem;
}

.page-about .about-capability-card {
  padding: 1rem 1rem 0.9rem;
  border-top: 1px solid rgba(var(--about-gold-rgb), 0.2);
  scroll-margin-top: calc(var(--header-height) + 24px);
  transition: background 0.3s ease-out, box-shadow 0.3s ease-out;
}

.page-about .about-capability-card:target {
  background: rgba(var(--about-gold-rgb), 0.16);
  box-shadow: inset 3px 0 0 var(--color-gold);
}

.page-about .about-capability-card__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-about .about-capability-card__axis {
  font-family: var(--about-serif);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 0.75rem;
}

.page-about .about-capability-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text-strong);
}

.page-about .about-capability-card p {
  margin: 0.55rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--color-light-gold);
}

.page-about .about-guizhou {
  background: var(--color-bg-light);
  color: var(--color-ink);
  padding: 4rem 0;
  scroll-margin-top: calc(var(--header-height) + 10px);
}

.page-about .about-guizhou .section-label {
  color: #9c7a1f;
}

.page-about .about-guizhou .section-label::before {
  background: #9c7a1f;
}

.page-about .about-guizhou__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}

.page-about .about-guizhou__media .about-figure img {
  border-radius: 3px;
  box-shadow: 0 20px 46px rgba(26, 26, 26, 0.16);
}

.page-about .about-guizhou__media .about-figure figcaption {
  color: #6b4c3b;
}

.page-about .about-guizhou h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin: 0 0 1.1rem;
}

.page-about .about-guizhou__content p {
  color: #3b2a1b;
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.page-about .about-guizhou__list {
  list-style: none;
  margin: 1.6rem 0 1.8rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-guizhou__list li {
  display: grid;
  gap: 0.1rem;
  padding: 0.75rem 0.9rem;
  background: rgba(212, 175, 55, 0.12);
  border-left: 3px solid var(--color-gold);
}

.page-about .about-guizhou__list strong {
  font-family: var(--about-serif);
  font-size: 1rem;
  font-weight: 700;
  color: #2c2114;
}

.page-about .about-guizhou__list span {
  font-size: 0.85rem;
  color: #5a4632;
}

.page-about .about-guizhou .btn--primary {
  margin-top: 0.4rem;
}

.page-about .btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-family: var(--about-sans);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 0;
  transition: background 0.25s ease-out, color 0.25s ease-out, border-color 0.25s ease-out;
}

.page-about .btn--primary {
  background: var(--color-gold);
  color: var(--color-ink);
  border: 1px solid var(--color-gold);
}

.page-about .btn--primary:hover,
.page-about .btn--primary:focus {
  background: var(--color-light-gold);
  border-color: var(--color-light-gold);
  color: var(--color-ink);
}

.page-about .btn--ghost {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
}

.page-about .btn--ghost:hover,
.page-about .btn--ghost:focus {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(var(--about-gold-rgb), 0.1);
}

.page-about .about-mission .btn--ghost {
  color: #82660e;
  border-color: #9c7a1f;
}

.page-about .about-mission .btn--ghost:hover,
.page-about .about-mission .btn--ghost:focus {
  background: rgba(212, 175, 55, 0.14);
}

@media (min-width: 720px) {
  .page-about .about-mission__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .page-about .about-guizhou__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

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

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: 4rem 0 5rem;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.65fr);
    gap: 3rem;
  }

  .page-about .about-journey-split {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 0;
    align-items: start;
  }

  .page-about .about-journey {
    padding-bottom: 5rem;
  }

  .page-about .about-capability {
    position: sticky;
    top: calc(var(--header-height) + 30px);
    padding: 3rem 2rem 3.5rem;
    min-height: 520px;
  }

  .page-about .about-capability__inner {
    max-width: none;
  }

  .page-about .about-mission,
  .page-about .about-guizhou {
    padding: 5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-capability-card,
  .page-about .about-capability__legend,
  .page-about .about-timeline__card {
    transition: none;
  }
}