.page-about {
  --about-rail-x: 11px;
  --about-rail-gap: 46px;
  --about-dot: 14px;
  background: var(--hh-paper);
  color: var(--hh-ink);
  font-family: var(--hh-sans);
}

/* ── 首屏 ───────────────────────────────── */
.page-about .about-hero {
  position: relative;
  padding: 30px 0 58px;
  background:
    radial-gradient(130% 96% at 6% -6%, rgba(227, 178, 60, 0.24), transparent 56%),
    radial-gradient(90% 70% at 96% 104%, rgba(110, 90, 168, 0.26), transparent 60%),
    linear-gradient(180deg, var(--hh-night) 0%, var(--hh-night-deep) 100%);
  color: var(--hh-paper);
  overflow: hidden;
}

.page-about .about-hero__crumbs {
  margin-bottom: 26px;
}

.page-about .about-hero__crumbs a,
.page-about .about-hero__crumbs .hh-crumbs__sep {
  color: rgba(247, 243, 232, 0.62);
}

.page-about .about-hero__crumbs .hh-crumbs__here {
  color: var(--hh-wheat);
}

.page-about .about-hero__eyebrow {
  color: var(--hh-wheat);
  letter-spacing: 0.16em;
}

.page-about .about-hero__title {
  max-width: 17em;
  margin: 14px 0 0;
  color: var(--hh-paper);
  font-family: var(--hh-serif);
  line-height: 1.22;
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin: 22px 0 0;
  color: rgba(247, 243, 232, 0.83);
  font-size: 17px;
  line-height: 1.85;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
  margin: 38px 0 0;
  padding: 26px 0 0;
  list-style: none;
  border-top: 1px solid rgba(134, 168, 134, 0.28);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-stat .hh-stat__value {
  color: var(--hh-wheat);
  font-family: var(--hh-mono);
  font-size: 44px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.page-about .about-stat__plus {
  font-size: 0.55em;
  font-style: normal;
  vertical-align: super;
  margin-left: 2px;
}

.page-about .about-stat .hh-stat__unit {
  color: rgba(247, 243, 232, 0.68);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ── 时间轴主体 ─────────────────────────── */
.page-about .about-rail {
  padding: 52px 0 30px;
  background: var(--hh-paper);
}

.page-about .about-rail__inner {
  position: relative;
  padding-left: var(--about-rail-gap);
}

.page-about .about-rail__line {
  position: absolute;
  top: 6px;
  bottom: 24px;
  left: var(--about-rail-x);
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(
    180deg,
    rgba(46, 74, 46, 0) 0%,
    var(--hh-green) 5%,
    var(--hh-green) 78%,
    rgba(227, 178, 60, 0.75) 100%
  );
}

.page-about .about-chapter {
  position: relative;
  padding-bottom: 62px;
}

.page-about .about-chapter:last-child {
  padding-bottom: 10px;
}

.page-about .about-chapter::before {
  content: "";
  position: absolute;
  top: 12px;
  left: calc(var(--about-rail-x) - var(--about-rail-gap) - var(--about-dot) / 2);
  width: var(--about-dot);
  height: var(--about-dot);
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--hh-paper);
  border: 3px solid var(--hh-green);
}

.page-about .about-chapter--offset::before {
  border-color: var(--hh-wheat);
}

.page-about .about-chapter__head {
  margin-bottom: 20px;
}

.page-about .about-chapter__num {
  display: inline-block;
  margin: 0 0 8px;
  color: var(--hh-wheat);
  font-family: var(--hh-mono);
  font-size: 15px;
  letter-spacing: 0.22em;
  background: var(--hh-green);
  border-radius: var(--hh-radius-pill);
  padding: 3px 12px;
}

.page-about .about-chapter .hh-title {
  color: var(--hh-green);
  font-family: var(--hh-serif);
  line-height: 1.3;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(227, 178, 60, 0.55) 0 12px,
    rgba(227, 178, 60, 0) 12px 22px
  );
  background-repeat: repeat-x;
  background-size: 22px 3px;
  background-position: 0 100%;
  padding-bottom: 12px;
}

.page-about .about-chapter__lead {
  max-width: 38em;
  margin: 0 0 16px;
  color: var(--hh-ink);
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-chapter__lead strong {
  color: var(--hh-index-ink);
  font-family: var(--hh-mono);
  font-weight: 600;
}

.page-about .about-chapter__prose {
  max-width: 38em;
}

.page-about .about-chapter__prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
}

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

.page-about .about-chapter__prose a {
  color: var(--hh-green-2);
  text-decoration: underline;
  text-decoration-color: var(--hh-wheat);
  text-underline-offset: 4px;
}

.page-about .about-chapter__grid {
  display: grid;
  gap: 22px;
}

.page-about .about-note {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-note a {
  color: var(--hh-green-2);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--hh-wick);
  text-underline-offset: 4px;
}

/* ── 01 起源 ───────────────────────────── */
.page-about .about-origin__media {
  margin: 0;
  border-radius: var(--hh-radius-m);
}

/* ── 02 服务网络 ───────────────────────── */
.page-about .about-network {
  margin-top: 24px;
  padding: 20px 16px 18px;
  border: 1px solid var(--hh-line);
  border-radius: var(--hh-radius-m);
  background: linear-gradient(180deg, var(--hh-paper-card), var(--hh-paper-2));
}

.page-about .about-network__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-about .about-cities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-city {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--hh-line);
  border-radius: var(--hh-radius-s);
  background: var(--hh-paper-card);
  min-width: 0;
}

.page-about .about-city[hidden] {
  display: none;
}

.page-about .about-city--fast {
  border-color: var(--hh-wheat);
  background: linear-gradient(180deg, #fffaf0, var(--hh-wheat-soft));
}

.page-about .about-city__name {
  font-family: var(--hh-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--hh-green);
}

.page-about .about-city__time {
  font-family: var(--hh-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--hh-muted);
}

.page-about .about-city--fast .about-city__time {
  color: var(--hh-index-ink);
}

.page-about .about-network__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hh-green-3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--hh-muted);
}

/* ── 03 团队 ───────────────────────────── */
.page-about .about-crew__media {
  margin: 24px 0 22px;
  border-radius: var(--hh-radius-m);
}

.page-about .about-crew__panels {
  display: grid;
  gap: 12px;
}

.page-about .about-disclosure {
  border: 1px solid var(--hh-line);
  border-radius: var(--hh-radius-m);
  background: var(--hh-paper-card);
  overflow: hidden;
}

.page-about .about-disclosure .hh-disclosure__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: var(--hh-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--hh-green);
  cursor: pointer;
}

.page-about .about-disclosure .hh-disclosure__toggle:focus-visible {
  outline: 2px solid var(--hh-wick);
  outline-offset: -3px;
}

.page-about .about-disclosure .hh-disclosure__inner {
  padding: 4px 18px 18px;
  border-left: 3px solid var(--hh-wheat);
}

.page-about .about-disclosure .hh-disclosure__inner p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--hh-ink);
}

.page-about .about-disclosure .hh-disclosure__inner p:last-child {
  margin-bottom: 0;
}

.page-about .about-disclosure .hh-disclosure__inner strong {
  color: var(--hh-green-2);
}

/* ── 04 手册版本 ───────────────────────── */
.page-about .about-versions__wrap {
  padding: 18px 16px 16px;
  border-radius: var(--hh-radius-m);
  background: var(--hh-night);
  color: var(--hh-paper);
}

.page-about .about-versions__label {
  margin: 0 0 12px;
  color: var(--hh-wheat);
  letter-spacing: 0.18em;
}

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

.page-about .about-version {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--hh-green-3);
  border-radius: var(--hh-radius-s);
  font-family: var(--hh-mono);
  font-size: 14px;
  color: var(--hh-green-3);
}

.page-about .about-version--now {
  width: auto;
  padding: 0 14px;
  border: 0;
  background: var(--hh-wheat);
  color: var(--hh-night);
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(227, 178, 60, 0.16);
}

.page-about .about-versions__note {
  margin: 14px 0 0;
  font-family: var(--hh-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 232, 0.6);
}

/* ── 05 合作生态 ───────────────────────── */
.page-about .about-partners__media {
  margin: 24px 0 22px;
  border-radius: var(--hh-radius-m);
}

.page-about .about-partners__list {
  display: grid;
  gap: 12px;
}

.page-about .about-partners__item {
  padding: 16px 18px;
  border-radius: var(--hh-radius-m);
  border: 1px solid var(--hh-line);
  border-left: 4px solid var(--hh-green-2);
  background: var(--hh-paper-card);
}

.page-about .about-partners__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-partners__k {
  margin: 0 0 8px;
  color: var(--hh-index-ink);
  letter-spacing: 0.14em;
}

/* ── 06 复购 ───────────────────────────── */
.page-about .about-repeat__grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .about-repeat__card {
  padding: 22px 20px;
  border-radius: var(--hh-radius-l);
  background: linear-gradient(150deg, var(--hh-green) 0%, var(--hh-night) 100%);
  color: var(--hh-paper);
}

.page-about .about-repeat__num {
  margin: 0 0 10px;
  color: var(--hh-wheat);
  font-size: 13px;
  letter-spacing: 0.22em;
}

.page-about .about-repeat__card .hh-title {
  margin: 0 0 12px;
  color: var(--hh-paper);
  font-family: var(--hh-serif);
}

.page-about .about-repeat__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 232, 0.85);
}

/* ── 收束：一盏灯 ──────────────────────── */
.page-about .about-lamp {
  position: relative;
  padding: 66px 0 72px;
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(227, 178, 60, 0.22), transparent 58%),
    linear-gradient(180deg, var(--hh-night) 0%, var(--hh-night-deep) 100%);
  color: var(--hh-paper);
  overflow: hidden;
}

.page-about .about-lamp__glow {
  position: absolute;
  top: -46px;
  left: 8%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 178, 60, 0.55), rgba(227, 178, 60, 0) 68%);
  animation: about-breathe 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes about-breathe {
  0%, 100% { opacity: 0.55; transform: scale(0.94); }
  50% { opacity: 0.95; transform: scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-lamp__glow { animation: none; }
}

.page-about .about-lamp__eyebrow {
  position: relative;
  margin: 0 0 12px;
  color: var(--hh-wheat);
  letter-spacing: 0.18em;
}

.page-about .about-lamp__title {
  position: relative;
  max-width: 20em;
  margin: 0 0 18px;
  color: var(--hh-paper);
  font-family: var(--hh-serif);
}

.page-about .about-lamp__text {
  position: relative;
  max-width: 36em;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(247, 243, 232, 0.82);
}

.page-about .about-lamp__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.page-about .about-lamp__facts {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 0;
  padding-top: 26px;
  border-top: 1px solid rgba(134, 168, 134, 0.26);
}

.page-about .about-lamp__fact dt {
  margin-bottom: 6px;
  font-family: var(--hh-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(247, 243, 232, 0.55);
}

.page-about .about-lamp__fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--hh-paper);
  word-break: break-word;
}

/* ── 响应式 ────────────────────────────── */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 44px 0 76px;
  }

  .page-about .about-stat .hh-stat__value {
    font-size: 54px;
  }

  .page-about .about-origin__media {
    float: left;
    width: 46%;
    margin: 4px 26px 14px 0;
  }

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

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

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

@media (min-width: 900px) {
  .page-about {
    --about-rail-gap: 66px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .about-rail {
    padding: 72px 0 40px;
  }

  .page-about .about-chapter {
    padding-bottom: 92px;
  }

  .page-about .about-chapter--offset {
    margin-left: 64px;
  }

  .page-about .about-chapter__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 34px;
  }

  .page-about .about-chapter__grid--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-about .about-origin__media {
    float: none;
    width: auto;
    margin: 0;
  }

  .page-about .about-cities {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .page-about .about-lamp {
    padding: 84px 0 92px;
  }

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

@media (min-width: 1100px) {
  .page-about .about-hero__title {
    font-size: 64px;
  }

  .page-about .about-chapter__lead,
  .page-about .about-chapter__prose p {
    font-size: 17px;
  }
}
<<<END>>>