.page-about {
  --about-card: var(--jh-card);
  --about-pad: 24px;
  --about-edge: 1px solid var(--jh-gold-line);
  background: var(--jh-paper);
  color: var(--jh-text);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  padding: 40px 0 56px;
  border-bottom: 1px solid rgba(140, 107, 18, .35);
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(235, 208, 138, .38) 0%, rgba(246, 241, 228, 0) 58%),
    var(--jh-paper);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

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

.page-about .about-hero__title {
  font-family: var(--jh-serif);
  font-size: clamp(32px, 8.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: 12px 0 20px;
  max-width: 15ch;
}

.page-about .about-hero__lead {
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: #2c3a30;
  max-width: 46ch;
  margin: 0 0 28px;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 0 0 30px;
  padding: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  border-top: 1px solid rgba(140, 107, 18, .3);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-hero__facts .jh-num {
  font-family: var(--jh-serif);
  font-size: 34px;
  line-height: 1;
  color: var(--jh-ink);
  letter-spacing: -.02em;
}

.page-about .about-hero__fact-label {
  font-size: 13px;
  color: var(--jh-muted);
  letter-spacing: .04em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__visual {
  position: relative;
  margin: 0;
  padding: 0;
  border: var(--about-edge);
  background: var(--jh-ink);
  box-shadow:
    8px 8px 0 rgba(140, 107, 18, .16),
    16px 16px 0 rgba(11, 36, 29, .07);
}

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

.page-about .about-hero__cap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--jh-gold-hi);
  background: var(--jh-ink-2);
  border-top: 1px solid rgba(140, 107, 18, .5);
}

.page-about .about-hero__cap-mark {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--jh-gold);
  background: radial-gradient(circle at 30% 30%, var(--jh-gold-hi), var(--jh-gold) 60%, transparent 62%);
}

/* ============ 主体两栏 ============ */
.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 8px 0 64px;
}

/* 章节索引 */
.page-about .about-index {
  position: sticky;
  top: 0;
  z-index: 5;
  margin: 0 calc(var(--about-pad) * -1) 8px;
  padding: 10px var(--about-pad);
  background: rgba(246, 241, 228, .94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(140, 107, 18, .3);
}

.page-about .about-index__head {
  display: none;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--jh-muted);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--jh-text);
  border: 1px solid rgba(140, 107, 18, .36);
  background: var(--about-card);
  transition: background .22s var(--jh-ease), border-color .22s var(--jh-ease), color .22s var(--jh-ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  background: var(--jh-ink);
  border-color: var(--jh-gold);
  color: var(--jh-gold-hi);
  outline: none;
}

.page-about .about-index__num {
  font-family: var(--jh-serif);
  font-size: 14px;
  color: var(--jh-gold);
  letter-spacing: .02em;
}

.page-about .about-index__link:hover .about-index__num,
.page-about .about-index__link:focus-visible .about-index__num {
  color: var(--jh-gold-hi);
}

.page-about .about-index__label {
  font-size: 13px;
  letter-spacing: .04em;
}

/* ============ 章节 ============ */
.page-about .about-chapters {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-about .about-chapter {
  position: relative;
  padding: 44px 0 8px;
}

.page-about .about-chapter + .about-chapter {
  margin-top: 32px;
  border-top: 1px solid rgba(140, 107, 18, .22);
}

.page-about .about-chapter__no {
  font-family: var(--jh-serif);
  font-size: 44px;
  line-height: 1;
  letter-spacing: -.03em;
  color: rgba(201, 162, 39, .55);
  margin: 0 0 6px;
}

.page-about .about-chapter__title {
  font-family: var(--jh-serif);
  font-size: clamp(24px, 6vw, 40px);
  line-height: 1.22;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  max-width: 22ch;
}

.page-about .about-chapter__lead {
  font-size: 16px;
  line-height: 1.78;
  color: #2c3a30;
  max-width: 62ch;
  margin: 0 0 30px;
}

.page-about .about-end {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 34px 0 0;
}

.page-about .about-end__line {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--jh-gold-line) 0%, rgba(140, 107, 18, .12) 100%);
}

/* ============ 01 服务四格 ============ */
.page-about .about-services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-service {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--about-card);
  border: var(--about-edge);
  box-shadow:
    5px 5px 0 rgba(140, 107, 18, .13),
    9px 9px 0 rgba(11, 36, 29, .06);
  transition: transform .24s var(--jh-ease), box-shadow .24s var(--jh-ease);
}

.page-about .about-service:hover {
  transform: translateY(-4px);
  box-shadow:
    6px 8px 0 rgba(140, 107, 18, .2),
    11px 14px 0 rgba(11, 36, 29, .08);
}

.page-about .about-service__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--jh-gold);
  border: 1px solid rgba(140, 107, 18, .5);
  background: linear-gradient(150deg, rgba(235, 208, 138, .3), rgba(246, 241, 228, .6));
  margin-bottom: 14px;
}

.page-about .about-service__icon svg {
  width: 26px;
  height: 26px;
}

.page-about .about-service__name {
  font-family: var(--jh-serif);
  font-size: 20px;
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.page-about .about-service__text {
  font-size: 15px;
  line-height: 1.75;
  color: #39463c;
  margin: 0 0 16px;
}

.page-about .about-service__go {
  display: inline-block;
  font-size: 14px;
  color: var(--jh-ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--jh-gold);
  transition: color .2s var(--jh-ease), border-color .2s var(--jh-ease);
}

.page-about .about-service__go:hover,
.page-about .about-service__go:focus-visible {
  color: var(--jh-gold-line);
  border-color: var(--jh-ink);
  outline: none;
}

/* ============ 02 时间轴 ============ */
.page-about .about-story {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--jh-gold) 0%, rgba(140, 107, 18, .25) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 26px;
}

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

.page-about .about-timeline__dot {
  position: absolute;
  left: -22px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--jh-paper);
  border: 2px solid var(--jh-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .16);
}

.page-about .about-timeline__when {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--jh-copper);
  margin: 0 0 4px;
}

.page-about .about-timeline__stage {
  font-family: var(--jh-serif);
  font-size: 20px;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}

.page-about .about-timeline__text {
  font-size: 15px;
  line-height: 1.75;
  color: #39463c;
  margin: 0;
  max-width: 56ch;
}

.page-about .about-story__figure {
  margin: 0;
  border: var(--about-edge);
  background: var(--jh-ink);
  box-shadow:
    7px 7px 0 rgba(140, 107, 18, .15),
    14px 14px 0 rgba(11, 36, 29, .06);
}

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

/* ============ 03 团队 ============ */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-team__figure {
  margin: 0;
  border: var(--about-edge);
  background: var(--jh-ink);
}

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

.page-about .about-team__tabs {
  min-width: 0;
}

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

.page-about .about-team__panel {
  padding: 22px 20px;
  background: var(--about-card);
  border: var(--about-edge);
  border-left: 3px solid var(--jh-gold);
  box-shadow: 5px 5px 0 rgba(140, 107, 18, .12);
}

.page-about .about-team__name {
  font-family: var(--jh-serif);
  font-size: 19px;
  margin: 0 0 8px;
}

.page-about .about-team__panel p {
  font-size: 15px;
  line-height: 1.78;
  color: #39463c;
  margin: 0;
}

/* ============ 04 覆盖 ============ */
.page-about .about-reach {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-about .about-reach__figure {
  padding: 26px 24px;
  background: var(--jh-ink);
  border: 1px solid var(--jh-gold-line);
  color: var(--jh-paper);
}

.page-about .about-reach__num {
  display: block;
  font-family: var(--jh-serif);
  font-size: 72px;
  line-height: .92;
  letter-spacing: -.04em;
  color: var(--jh-gold-hi);
}

.page-about .about-reach__cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 241, 228, .82);
}

.page-about .about-reach__lists {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-reach__group {
  padding: 20px 18px;
  background: var(--about-card);
  border: var(--about-edge);
  box-shadow: 4px 4px 0 rgba(140, 107, 18, .1);
}

.page-about .about-reach__tags {
  list-style: none;
  margin: 12px 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-reach__note,
.page-about .about-reach__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--jh-muted);
  margin: 0;
}

.page-about .about-reach__text {
  margin-top: 12px;
  color: #39463c;
  font-size: 15px;
}

/* ============ 05 信任 ============ */
.page-about .about-trust {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-trust__item {
  padding: 24px 22px;
  background: var(--about-card);
  border: var(--about-edge);
  border-top: 3px solid var(--jh-ink);
  box-shadow: 5px 5px 0 rgba(140, 107, 18, .12);
}

.page-about .about-trust__index {
  display: block;
  font-family: var(--jh-serif);
  font-size: 26px;
  color: var(--jh-gold);
  margin-bottom: 8px;
}

.page-about .about-trust__name {
  font-family: var(--jh-serif);
  font-size: 20px;
  margin: 0 0 8px;
}

.page-about .about-trust__text {
  font-size: 15px;
  line-height: 1.78;
  color: #39463c;
  margin: 0 0 14px;
}

.page-about .about-trust__link {
  font-size: 14px;
  color: var(--jh-gold-line);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 107, 18, .45);
  padding-bottom: 2px;
  transition: color .2s var(--jh-ease), border-color .2s var(--jh-ease);
}

.page-about .about-trust__link:hover,
.page-about .about-trust__link:focus-visible {
  color: var(--jh-ink);
  border-color: var(--jh-ink);
  outline: none;
}

/* ============ 结尾行动 ============ */
.page-about .about-cta {
  margin-top: 28px;
  padding: 28px 22px;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(201, 162, 39, .28) 0%, rgba(11, 36, 29, 0) 60%),
    var(--jh-ink);
  border: 1px solid var(--jh-gold-line);
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-about .about-cta__text {
  font-family: var(--jh-serif);
  font-size: 19px;
  line-height: 1.6;
  color: var(--jh-paper);
  margin: 0;
  max-width: 34ch;
}

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

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-about .about-hero {
    padding: 56px 0 68px;
  }

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

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

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

  .page-about .about-reach__group--wide {
    grid-column: 1 / -1;
  }

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

  .page-about .about-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 32px 34px;
  }
}

@media (min-width: 1024px) {
  .page-about {
    --about-pad: 0px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-body {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 52px;
    padding-bottom: 88px;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    margin: 0;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 0;
    border-left: 1px solid rgba(140, 107, 18, .35);
    padding-left: 18px;
  }

  .page-about .about-index__head {
    display: block;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .about-index__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 10px 0;
    border: 0;
    background: transparent;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    background: transparent;
    color: var(--jh-gold-line);
  }

  .page-about .about-index__num {
    font-size: 22px;
    line-height: 1;
    color: rgba(140, 107, 18, .5);
    transition: color .22s var(--jh-ease);
  }

  .page-about .about-index__link:hover .about-index__num,
  .page-about .about-index__link:focus-visible .about-index__num {
    color: var(--jh-gold);
  }

  .page-about .about-index__label {
    font-size: 12px;
    letter-spacing: .06em;
    color: var(--jh-muted);
  }

  .page-about .about-chapter {
    padding-top: 20px;
  }

  .page-about .about-chapter + .about-chapter {
    margin-top: 56px;
  }

  .page-about .about-story {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-story__figure {
    position: sticky;
    top: 116px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-reach {
    grid-template-columns: minmax(200px, .5fr) minmax(0, 1.5fr);
    gap: 32px;
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-service,
  .page-about .about-service__go,
  .page-about .about-index__link,
  .page-about .about-index__num,
  .page-about .about-trust__link {
    transition: none;
  }

  .page-about .about-service:hover {
    transform: none;
  }
}