.page-about {
  background: var(--night);
  color: var(--paper);
  font-family: var(--sans);
  padding-bottom: 0;
  overflow-x: hidden;
}

.page-about .mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 26px 0 54px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -40px 0 0;
  background:
    radial-gradient(circle at 84% 12%, rgba(232, 180, 74, 0.17), transparent 44%),
    radial-gradient(circle at 8% 82%, rgba(215, 38, 61, 0.2), transparent 52%);
  pointer-events: none;
}

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

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 8.2vw, 62px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.015em;
  background: linear-gradient(102deg, #F5F1E8 4%, #E8B44A 58%, #FF8A3D 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__title em {
  font-style: normal;
  display: inline-block;
  padding: 0 2px;
  border-bottom: 4px solid var(--red);
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: #DCD5C6;
}

.page-about .about-hero__stats {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__stat {
  flex: 1 1 148px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(245, 241, 232, 0.05);
  border: 1px solid rgba(232, 180, 74, 0.32);
  border-radius: var(--radius);
}

.page-about .about-hero__num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  text-shadow: 0 0 18px rgba(232, 180, 74, 0.3);
}

.page-about .about-hero__unit {
  font-size: 13px;
  color: var(--ash);
  letter-spacing: 0.02em;
}

.page-about .about-hero__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-about .about-hero__seal {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid rgba(232, 180, 74, 0.4);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(107, 20, 32, 0.55), rgba(11, 16, 32, 0.9));
}

.page-about .about-hero__seal-mark {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--red);
  text-shadow: 0 0 22px rgba(215, 38, 61, 0.5);
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  padding: 46px 0 54px;
}

.page-about .about-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about .about-sec__head .chapter__no {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: clamp(34px, 9vw, 58px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(232, 180, 74, 0.62);
}

.page-about .about-sec__head .chapter__kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-about .about-sec__head .chapter__title {
  margin: 0;
  font-size: clamp(23px, 5.4vw, 34px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-sec__intro {
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.85;
  color: #C9C2B4;
}

.page-about .about-sec .prose p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.9;
  color: #D6CFC1;
}

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

.page-about .about-sec .prose a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 起源 ---------- */
.page-about .about-origin {
  display: grid;
  gap: 26px;
}

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

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

.page-about .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 时间线 ---------- */
.page-about .about-sec--timeline {
  background:
    linear-gradient(180deg, rgba(14, 42, 38, 0.72) 0%, rgba(11, 16, 32, 0) 68%);
}

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

.page-about .about-tabs__rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 22px;
  scrollbar-width: thin;
}

.page-about .about-tabs__tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid rgba(232, 180, 74, 0.34);
  border-radius: 999px;
  background: rgba(245, 241, 232, 0.04);
  color: #C3BBAC;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 240ms var(--ease), color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-about .about-tabs__tab[aria-selected="true"] {
  background: linear-gradient(100deg, var(--red) 0%, #6E1F3A 100%);
  border-color: var(--gold);
  color: var(--paper);
}

.page-about .about-tabs__tab:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-about .about-era {
  padding: 22px 20px;
  border: 1px solid rgba(232, 180, 74, 0.22);
  border-left: 4px solid var(--red);
  border-radius: var(--radius);
  background: rgba(11, 16, 32, 0.72);
}

.page-about .about-era__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .about-era__title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 900;
  color: var(--paper);
}

.page-about .about-era__body {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: #CFC8BA;
}

.page-about .about-era__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-about .about-era__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #B7B0A2;
}

.page-about .about-era__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 团队 ---------- */
.page-about .about-team-grid {
  display: grid;
  gap: 16px;
}

.page-about .about-team {
  position: relative;
  padding: 20px 20px 16px;
  background: var(--paper);
  color: var(--night);
  border: 1px solid rgba(11, 16, 32, 0.14);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 rgba(107, 20, 32, 0.85);
}

.page-about .about-team__seq {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--red);
}

.page-about .about-team__name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 900;
  color: var(--night);
}

.page-about .about-team__duty {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: #3A4256;
}

.page-about .about-team__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(215, 38, 61, 0.45);
  border-radius: 999px;
  background: transparent;
  color: var(--red);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.page-about .about-team__trigger:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-about .about-team .collapse__inner {
  padding-top: 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: #3A4256;
}

.page-about .about-team .collapse__inner p {
  margin: 0;
}

/* ---------- 字段 ---------- */
.page-about .about-fields {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-about .about-fields__item {
  position: relative;
  padding: 20px 20px 20px 26px;
  background: linear-gradient(150deg, rgba(14, 42, 38, 0.9), rgba(11, 16, 32, 0.9));
  border: 1px solid rgba(232, 180, 74, 0.26);
  border-radius: var(--radius);
}

.page-about .about-fields__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--red));
}

.page-about .about-fields__name {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 900;
  color: var(--paper);
}

.page-about .about-fields__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #BDB6A8;
}

.page-about .about-fields__foot {
  padding: 20px;
}

.page-about .about-fields__foot .prose--paper {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #2C3446;
}

.page-about .about-fields__foot a {
  color: var(--red);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 友谊赛 ---------- */
.page-about .about-friendly {
  display: grid;
  gap: 26px;
}

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

/* ---------- 运营印章块 ---------- */
.page-about .about-seal {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 24px 20px;
  border: 1px solid rgba(232, 180, 74, 0.42);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 92% 6%, rgba(215, 38, 61, 0.22), transparent 46%),
    linear-gradient(160deg, rgba(11, 16, 32, 0.96), rgba(14, 42, 38, 0.9));
  box-shadow: inset 0 0 0 1px rgba(245, 241, 232, 0.05);
}

.page-about .about-seal__mark {
  justify-self: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  border: 2px solid var(--red);
  border-radius: 4px;
  background: rgba(215, 38, 61, 0.08);
}

.page-about .about-seal__mark-text {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-about .about-seal__mark-sub {
  font-size: 11px;
  letter-spacing: 0.42em;
  color: var(--gold);
}

.page-about .about-seal__rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .about-seal__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(232, 180, 74, 0.22);
}

.page-about .about-seal__row:first-child {
  border-top: 1px dashed rgba(232, 180, 74, 0.22);
}

.page-about .about-seal__row dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .about-seal__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #D8D1C3;
}

.page-about .about-seal__icp,
.page-about .about-seal__mail {
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
}

.page-about .about-copy {
  flex: 0 0 auto;
  padding: 4px 12px;
  border: 1px solid rgba(232, 180, 74, 0.5);
  border-radius: 999px;
  background: transparent;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 12px;
  cursor: pointer;
}

.page-about .about-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-about .about-seal__link {
  color: var(--orange);
  text-decoration: none;
}

.page-about .about-seal__link:hover {
  text-decoration: underline;
}

.page-about .about-seal__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-seal__note a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部行动 ---------- */
.page-about .about-cta {
  margin-top: 26px;
  padding: 22px 20px;
  border-left: 4px solid var(--gold);
  background: rgba(245, 241, 232, 0.04);
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
}

.page-about .about-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #D2CBBD;
}

.page-about .about-cta .btn {
  justify-self: start;
}

/* ---------- 收尾 ---------- */
.page-about .about-trust {
  padding: 30px 0 60px;
}

.page-about .about-trust__line {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #A9A294;
}

.page-about .about-trust__meta {
  margin: 14px 0 0;
}

.page-about .about-trust__link {
  color: var(--gold);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 42px 0 70px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1fr) 190px;
    align-items: start;
    gap: 40px;
  }

  .page-about .about-hero__seal {
    justify-self: end;
  }

  .page-about .about-sec {
    padding: 62px 0 70px;
  }

  .page-about .about-sec__head {
    gap: 26px;
    margin-bottom: 34px;
  }

  .page-about .about-sec .prose p {
    font-size: 16px;
  }

  .page-about .about-origin {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 42px;
  }

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

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

  .page-about .about-friendly {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 40px;
  }

  .page-about .about-seal {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
    padding: 32px 30px;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 18px;
    padding: 26px 28px;
  }

  .page-about .about-cta .btn {
    justify-self: auto;
  }

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

@media (min-width: 1080px) {
  .page-about .about-sec--timeline .about-tabs__panel-wrap,
  .page-about .about-tabs {
    max-width: 100%;
  }

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

  .page-about .about-hero__stats {
    gap: 14px;
  }

  .page-about .about-hero__stat {
    flex: 1 1 0;
  }
}
</PAGE_CSS>>>