.page-about {
  color: var(--ink-1);
  font-family: var(--font-body);
}

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

.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}

.page-about .crumbs a {
  color: var(--ink-3);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-about .crumbs a:hover {
  color: var(--gold);
}

.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .crumbs [aria-current="page"] {
  color: var(--gold);
}

/* ---------- HERO ---------- */

.page-about .about-hero {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) var(--gutter) clamp(40px, 6vw, 80px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: 0 0 24px;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--white);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .about-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  border: 2px solid var(--line);
  background: linear-gradient(160deg, var(--stand) 0%, rgba(16, 30, 60, 0.4) 100%);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
}

.page-about .about-hero__facts dt {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-bottom: 6px;
}

.page-about .about-hero__facts dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  color: var(--gold-soft);
  line-height: 1.2;
}

.page-about .about-hero__media .media__frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--stand);
}

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

.page-about .media__caption {
  margin-top: 12px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.6;
}

/* ---------- INDEX ---------- */

.page-about .about-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 24px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-index::-webkit-scrollbar {
  display: none;
}

.page-about .about-index a {
  flex: 0 0 auto;
  padding: 8px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a[aria-current="true"] {
  color: var(--night);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- CHAPTER SHELL ---------- */

.page-about .about-chapter {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) var(--gutter);
}

.page-about .about-chapter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-data);
}

.page-about .about-chapter__num {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-about .about-chapter__rule {
  display: block;
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-about .about-chapter__tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  white-space: nowrap;
}

.page-about .about-chapter__title {
  margin: 0 0 20px;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-chapter__lede {
  margin: 0 0 36px;
  max-width: 66ch;
  font-size: clamp(16px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .about-chapter__body h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-soft);
  letter-spacing: 0.01em;
}

.page-about .about-chapter__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .about-chapter__body a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.4);
  transition: border-color 180ms var(--ease);
}

.page-about .about-chapter__body a:hover {
  border-color: var(--gold);
}

/* ---------- 01 WHY ---------- */

.page-about .about-why {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-about .about-why__item {
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--stand);
}

.page-about .about-why__item:nth-child(2) {
  background: linear-gradient(160deg, var(--stand) 0%, rgba(27, 44, 78, 0.55) 100%);
}

.page-about .about-quote {
  margin: 0;
  padding: 24px 28px;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(242, 193, 78, 0.08) 0%, rgba(242, 193, 78, 0) 70%);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.7;
  color: var(--gold-soft);
  font-weight: 600;
}

/* ---------- 02 TIMELINE ---------- */

.page-about .about-timeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--line) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 34px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.12);
}

.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-about .about-timeline__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-timeline__media {
  align-self: start;
}

.page-about .about-timeline__media .media__frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--stand);
}

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

/* ---------- 03 METHOD ---------- */

.page-about .about-method {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about .about-method__card {
  position: relative;
  padding: 26px 24px 24px;
  border: 2px solid var(--line);
  background: var(--stand);
  transition: border-color 200ms var(--ease);
}

.page-about .about-method__card:hover {
  border-color: var(--gold);
}

.page-about .about-method__num {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .about-method__card h3 {
  margin: 0 0 10px;
}

.page-about .about-method__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-method__note {
  margin: 0;
  padding: 16px 20px;
  border: 1px dashed var(--line);
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-3);
}

/* ---------- 04 YUNNAN ---------- */

.page-about .about-chapter--yunnan .about-chapter__body {
  position: relative;
}

.page-about .about-yunnan__media .media__frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  margin-bottom: 12px;
  background: var(--stand);
}

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

.page-about .about-yunnan__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  margin-top: 32px;
}

.page-about .about-yunnan__cities-label {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.page-about .about-city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-city-list a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(63, 125, 92, 0.14);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-about .about-city-list a:hover {
  color: var(--night);
  background: var(--mist);
  border-color: var(--mist);
  transform: translateY(-2px);
}

/* ---------- 05 TEAM ---------- */

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-about .about-team__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 16px;
  background: var(--night);
  text-align: center;
}

.page-about .about-team__value {
  font-family: var(--font-data);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-about .about-team__label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  line-height: 1.5;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-about .about-team__col {
  padding: 24px;
  background: var(--stand);
}

.page-about .about-team__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-team__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
}

/* ---------- 06 PARTNER ---------- */

.page-about .about-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.page-about .about-partner__item {
  padding: 28px 24px;
  border: 2px solid var(--line);
  background: var(--stand);
  box-shadow: var(--shadow-hard);
}

.page-about .about-partner__item--media {
  background: linear-gradient(150deg, rgba(63, 125, 92, 0.28) 0%, var(--stand) 70%);
}

.page-about .about-partner__item--club {
  background: linear-gradient(150deg, rgba(226, 62, 87, 0.16) 0%, var(--stand) 70%);
}

.page-about .about-partner__num {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.page-about .about-partner__item h3 {
  margin: 0 0 10px;
}

.page-about .about-partner__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-partner__body {
  margin-bottom: 40px;
}

.page-about .about-partner__body h3 {
  margin: 0 0 10px;
}

.page-about .about-partner__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .about-cta {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(24px, 3vw, 36px);
  border: 2px solid var(--gold);
  background: linear-gradient(140deg, rgba(242, 193, 78, 0.1) 0%, rgba(10, 20, 40, 0.6) 70%);
}

.page-about .about-cta__text {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.75;
  color: var(--white);
  font-weight: 600;
}

/* ---------- RESPONSIVE ---------- */

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

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

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

  .page-about .about-yunnan__grid {
    grid-template-columns: 1.2fr 1fr;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-about .about-chapter__grid {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 44px;
  }

  .page-about .about-chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-chapter__rule {
    flex: 0 0 auto;
    width: 1px;
    height: 56px;
    background: linear-gradient(180deg, var(--gold) 0%, var(--line) 100%);
  }

  .page-about .about-chapter__tag {
    writing-mode: vertical-rl;
    letter-spacing: 0.24em;
    color: var(--ink-3);
  }

  .page-about .about-timeline-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-about .about-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-about .about-cta__text {
    max-width: 56ch;
  }
}

@media (min-width: 1100px) {
  .page-about .about-method {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
</｜｜DSML｜｜ parameter>
</invoke>