.page-about {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about .about-hero {
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.4rem, 5vw, 4rem);
}

.page-about .breadcrumbs {
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
  align-items: start;
}

.page-about .about-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 6vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 1.1rem;
  max-width: 22ch;
  color: var(--deep-sea);
}

.page-about .about-lede {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  max-width: 54ch;
  color: #2a3342;
  margin: 0;
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-about .about-fact {
  border-top: 2px solid var(--ink);
  padding-top: 0.6rem;
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--beibo-blue);
  line-height: 1.2;
}

.page-about .about-fact__k {
  display: block;
  font-size: 0.83rem;
  color: var(--gray);
  margin-top: 0.15rem;
}

.page-about .about-index {
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--white);
  box-shadow: var(--shadow-mid);
  padding: 1.1rem 1.15rem 1.2rem;
}

.page-about .about-index__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0 0 0.7rem;
  font-weight: 500;
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.55rem 0.35rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.94rem;
  border-bottom: 1px solid rgba(21, 26, 34, 0.1);
  transition: color 0.16s ease, transform 0.16s ease;
}

.page-about .about-index__list li:last-child a {
  border-bottom: 0;
}

.page-about .about-index__list a .mono {
  color: var(--warm-orange);
  font-size: 0.76rem;
  font-weight: 700;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--beibo-blue);
  transform: translateX(3px);
}

.page-about .about-section {
  padding: clamp(2.4rem, 5vw, 4rem) 0;
}

.page-about .about-section__head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-about .about-section__head .h2,
.page-about .about-story__text .h2,
.page-about .about-team__main .h2,
.page-about .about-partners__intro .h2 {
  margin: 0.5rem 0 0.8rem;
}

.page-about .about-sub {
  color: var(--gray);
  margin: 0;
  max-width: 56ch;
}

.page-about .about-story__grid {
  align-items: start;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-points {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .about-point {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.9rem 1rem;
  background: var(--white);
  border: 2px solid rgba(21, 26, 34, 0.16);
  border-radius: var(--radius-note);
  transition: border-color 0.2s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-about .about-point:hover {
  border-color: var(--beibo-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-point__num {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-pill);
  background: var(--peach);
  color: var(--deep-orange);
  font-weight: 700;
  font-size: 0.9rem;
}

.page-about .about-point h3 {
  font-size: 1rem;
  margin: 0 0 0.15rem;
  font-weight: 700;
}

.page-about .about-point p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.page-about .about-figure .media__caption {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--gray);
  line-height: 1.55;
}

.page-about .about-timeline {
  background: var(--haze);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-about .tl__node {
  background: var(--white);
  border: 2px solid var(--ink);
  border-top: 6px solid var(--beibo-blue);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.15rem 1.3rem;
  box-shadow: var(--shadow-mid);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.2s ease, border-top-color 0.2s ease;
}

.page-about .tl__node:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
  border-color: var(--beibo-blue);
  border-top-color: var(--warm-orange);
}

.page-about .tl__node--now {
  border-top-color: var(--warm-orange);
  background: linear-gradient(155deg, var(--white) 45%, var(--mint-soft) 100%);
}

.page-about .tl__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-about .tl__ver {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--deep-sea);
  margin: 0.4rem 0 0.1rem;
  line-height: 1.1;
}

.page-about .tl__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.45rem;
  line-height: 1.35;
}

.page-about .tl__more {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

.page-about .tl__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.85rem;
}

.page-about .about-timeline__media {
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: start;
}

.page-about .about-team__side {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
}

.page-about .about-team__side .note {
  margin: 0;
}

.page-about .about-details {
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  padding: 0 1rem;
  margin-top: 0.7rem;
}

.page-about .about-details:first-of-type {
  margin-top: 1.3rem;
}

.page-about .about-details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 0;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.16s ease;
}

.page-about .about-details summary::-webkit-details-marker {
  display: none;
}

.page-about .about-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--warm-orange);
  font-size: 1rem;
  line-height: 1;
}

.page-about .about-details[open] summary::before {
  content: "–";
}

.page-about .about-details summary:hover {
  color: var(--beibo-blue);
}

.page-about .about-details__body {
  padding: 0 0 0.95rem 1.65rem;
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.7;
}

.page-about .about-details__body p {
  margin: 0;
}

.page-about .crowd {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .crowd__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.25rem 0.8rem;
  align-items: baseline;
  padding: 1rem 1.1rem;
  background: var(--white);
  border: 2px solid rgba(21, 26, 34, 0.15);
  border-radius: var(--radius-card);
  transition: border-color 0.2s ease, transform 0.18s ease;
}

.page-about .crowd__item:hover {
  border-color: var(--beibo-blue);
  transform: translateY(-2px);
}

.page-about .crowd__num {
  color: var(--warm-orange);
  font-weight: 700;
  font-size: 0.85rem;
}

.page-about .crowd__name {
  font-weight: 700;
  font-size: 1rem;
}

.page-about .crowd__desc {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: start;
}

.page-about .about-partners__intro .link-arrow {
  display: inline-block;
  margin-top: 0.9rem;
}

.page-about .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-about .partner-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--beibo-blue);
  border-radius: var(--radius-card);
  padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-left-color 0.2s ease;
}

.page-about .partner-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-mid);
  border-left-color: var(--warm-orange);
}

.page-about .partner-card .h3 {
  font-size: 1.05rem;
  margin: 0.55rem 0 0.3rem;
}

.page-about .partner-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: start;
}

.page-about .contact-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.1rem, 3vw, 1.7rem);
}

.page-about .contact-card .h3,
.page-about .flow-card .h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.page-about .contact-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about .contact-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.15rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(21, 26, 34, 0.12);
}

.page-about .contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-about .contact-list dd {
  margin: 0;
  font-size: 1rem;
  word-break: break-word;
}

.page-about .contact-list dd a {
  color: var(--beibo-blue);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.page-about .contact-list dd a:hover {
  color: var(--deep-orange);
  border-bottom-color: var(--deep-orange);
}

.page-about .contact-card__note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.65;
  padding-left: 0.75rem;
  border-left: 4px solid var(--mint);
}

.page-about .about-reach__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.2rem;
  margin-top: 1.3rem;
}

.page-about .flow-card {
  background: var(--haze);
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  padding: clamp(1.1rem, 3vw, 1.7rem);
}

.page-about .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .flow-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed rgba(21, 26, 34, 0.2);
}

.page-about .flow-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .flow-list__num {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  background: var(--white);
  border: 2px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-about .flow-list strong {
  display: block;
  font-size: 0.96rem;
  margin-bottom: 0.1rem;
}

.page-about .flow-list p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

.page-about .flow-card .link-arrow {
  display: inline-block;
  margin-top: 1.2rem;
}

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

  .page-about .contact-list__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.8rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
  }

  .page-about .tl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.75fr);
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.3fr);
  }

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-about .crowd__item {
    grid-template-columns: 3rem minmax(0, 0.7fr) minmax(0, 1.7fr);
    align-items: center;
    gap: 1rem;
  }

  .page-about .crowd__desc {
    grid-column: auto;
  }
}

@media (min-width: 1100px) {
  .page-about .about-story__media {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-point,
  .page-about .about-point:hover,
  .page-about .tl__node,
  .page-about .tl__node:hover,
  .page-about .crowd__item,
  .page-about .crowd__item:hover,
  .page-about .partner-card,
  .page-about .partner-card:hover,
  .page-about .about-index__list a:hover {
    transform: none;
    transition: border-color 0.2s ease, color 0.2s ease;
  }
}