.page-about {
  --about-gap: 34px;
}

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

.page-about figure {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 10px 0 0;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -20%;
  right: -20%;
  height: 520px;
  background:
    radial-gradient(52% 62% at 20% 34%, rgba(33, 230, 193, 0.15), transparent 68%),
    radial-gradient(42% 52% at 84% 8%, rgba(240, 184, 90, 0.10), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .container,
.page-about .about-hero .container--wide {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__top {
  max-width: 830px;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-about .about-hero__title-em {
  background: linear-gradient(transparent 64%, rgba(33, 230, 193, 0.3) 64%);
  color: var(--ink);
}

.page-about .about-hero__lede {
  margin-top: 20px;
  max-width: 680px;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-about .about-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-stat__num {
  font-family: var(--font-num);
  font-weight: 200;
  font-size: clamp(44px, 10vw, 74px);
  line-height: 0.92;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stat__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-hero__media {
  position: relative;
  margin-top: 44px;
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  background: linear-gradient(to top, rgba(6, 23, 19, 0.86), transparent);
  pointer-events: none;
}

/* ---------- 结构区 ---------- */
.page-about .about-body {
  padding-top: 56px;
}

.page-about .about-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

/* 索引 */
.page-about .about-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

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

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  background: var(--panel-deep);
  border: 1px solid var(--line-soft);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(33, 230, 193, 0.09);
}

.page-about .about-index__num {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
}

/* 画板流 */
.page-about .about-flow > * + * {
  margin-top: var(--about-gap);
}

.page-about .about-panel {
  position: relative;
  padding: clamp(24px, 4.4vw, 40px);
  border-left: 2px solid var(--line);
  transition: border-color var(--t) var(--ease);
}

.page-about .about-panel:hover {
  border-left-color: var(--cyan);
}

.page-about .about-panel .panel__label {
  margin-bottom: 10px;
}

.page-about .about-panel .panel__title {
  margin: 0;
}

.page-about .about-panel__lede {
  margin-top: 16px;
  max-width: 660px;
}

/* 时间线 */
.page-about .about-track {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 5px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(33, 230, 193, 0.06));
}

.page-about .about-track__node {
  position: relative;
  padding: 0 0 28px 28px;
}

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

.page-about .about-track__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--night);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background var(--t) var(--ease);
}

.page-about .about-track__node:hover::before {
  background: var(--cyan);
}

.page-about .about-track__tag {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .about-track__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .about-track__text {
  margin: 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* 团队 */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-about .about-team__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

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

.page-about .about-team__copy .lede {
  color: var(--ink);
}

.page-about .about-roles {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-roles__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: start;
  gap: 4px 16px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-roles__num {
  grid-row: 1 / 3;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .about-roles__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-roles__note {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--muted);
}

/* 本地化 */
.page-about .about-local {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 22px;
}

.page-about .about-local__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

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

.page-about .about-local__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.page-about .about-local__stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-local__num {
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 40px;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-about .about-local__unit {
  font-size: 18px;
  margin-left: 2px;
}

.page-about .about-local__desc {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 认证与备案 */
.page-about .about-panel--trust {
  border-left-color: rgba(240, 184, 90, 0.55);
}

.page-about .about-panel--trust:hover {
  border-left-color: var(--gold);
}

.page-about .about-trust {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 26px 0 0;
}

.page-about .about-trust__card {
  padding: 22px;
  background:
    radial-gradient(90% 130% at 8% 0%, rgba(240, 184, 90, 0.13), transparent 66%),
    linear-gradient(158deg, var(--panel) 0%, var(--panel-deep) 100%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  transition: box-shadow var(--t) var(--ease);
}

.page-about .about-trust__card:hover {
  box-shadow: inset 0 0 0 1px rgba(240, 184, 90, 0.48);
}

.page-about .about-trust__text {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-trust__foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* 收束 */
.page-about .about-cta {
  padding: 56px 0 72px;
}

.page-about .about-cta__inner {
  padding: clamp(28px, 5vw, 48px);
  background:
    radial-gradient(78% 120% at 10% 0%, rgba(33, 230, 193, 0.16), transparent 66%),
    linear-gradient(158deg, var(--panel) 0%, var(--locker) 100%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}

.page-about .about-cta__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.18;
  color: var(--ink);
}

.page-about .about-cta__text {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 22px 18px 22px 0;
    border-bottom: none;
    border-right: 1px solid var(--line-soft);
  }

  .page-about .about-stat:last-child {
    border-right: none;
  }

  .page-about .about-local__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-local__stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

@media (min-width: 780px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 30px;
    align-items: start;
  }

  .page-about .about-local {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    padding-top: 76px;
  }

  .page-about .about-body__grid {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-about .about-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-about .about-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-left: 2px solid var(--line-soft);
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(33, 230, 193, 0.06);
  }

  .page-about .about-hero__stats {
    max-width: 960px;
  }

  .page-about .about-track__node {
    padding-left: 34px;
  }
}
<<<END>>>