.page-about {
  --about-radius: 18px 18px 26px 26px;
}

.page-about .about-wrap {
  padding: 1.5rem 1rem 4rem;
}

.page-about .breadcrumb {
  margin: 0 0 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--bg-card);
  border-radius: 24px 24px 8px 8px;
  padding: 2.2rem 1.4rem;
  margin-bottom: 2rem;
}

.page-about .about-hero-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.page-about .about-hero-content {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-kicker {
  color: var(--accent-lime);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.65rem, 2.2vw + 1rem, 2.5rem);
  line-height: 1.2;
  margin-bottom: 0.6rem;
  color: var(--bg-card);
}

.page-about .about-hero-lead {
  color: #d8cfc0;
  max-width: 46em;
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.page-about .meta-chip {
  background: rgba(184, 217, 74, 0.14);
  border: 1px solid rgba(184, 217, 74, 0.45);
  border-radius: 999px;
  color: var(--bg-card);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.32rem 0.7rem;
  letter-spacing: 0.02em;
}

.page-about .about-identity {
  padding: 1.75rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 8px 8px 24px 24px;
}

.page-about .about-identity-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-about .about-identity-copy h2,
.page-about .about-updates h2 {
  font-family: var(--font-head);
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.page-about .about-identity-copy p {
  color: var(--text-main);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 0.9rem;
}

.page-about .about-popular-tags {
  align-items: center;
  background: var(--bg-warm);
  border: 1px dashed var(--border);
  border-radius: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
  padding: 0.7rem;
}

.page-about .about-popular-label {
  color: var(--text-sub);
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 0.15rem;
  width: 100%;
}

.page-about .about-popular-tags .tag {
  font-size: 0.78rem;
}

.page-about .about-stat-wall {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-about .about-stat {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--about-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 112px;
  padding: 1rem 0.85rem;
}

.page-about .about-stat--main {
  grid-column: 1 / -1;
  background: var(--accent-rust);
  border-color: var(--accent-rust);
  color: var(--bg-card);
}

.page-about .about-stat--cat {
  background: var(--accent-lime);
  border-color: var(--accent-lime);
  color: var(--text-main);
}

.page-about .about-stat--tag {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: var(--text-main);
}

.page-about .about-stat-num {
  font-family: var(--font-head);
  font-size: 2.3rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-about .about-stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: auto;
  opacity: 0.85;
}

.page-about .about-taxonomy {
  padding: 1.75rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 24px 24px 8px 8px;
}

.page-about .about-taxonomy-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-taxonomy-kicker,
.page-about .about-updates-kicker,
.page-about .about-search-kicker {
  color: var(--accent-lime);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.page-about .about-taxonomy-copy h2 {
  color: var(--bg-card);
  font-family: var(--font-head);
  margin-bottom: 0.8rem;
}

.page-about .about-taxonomy-copy p {
  color: #d8cfc0;
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.page-about .about-taxonomy-figure {
  margin: 1rem 0 0;
}

.page-about .about-taxonomy-figure img,
.page-about .about-updates-figure img {
  border-radius: 18px;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-taxonomy-figure img {
  border: 1px solid rgba(184, 217, 74, 0.35);
}

.page-about .about-taxonomy-side {
  display: grid;
  gap: 1rem;
}

.page-about .about-taxonomy-bricks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-about .taxo-brick {
  border-radius: var(--about-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 118px;
  padding: 0.9rem 0.8rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.page-about .taxo-brick-name {
  display: block;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .taxo-brick-count {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.15;
  margin-top: auto;
}

.page-about .taxo-brick-desc {
  display: block;
  font-size: 0.7rem;
  line-height: 1.4;
  opacity: 0.78;
}

.page-about .taxo-brick--rust {
  background: var(--accent-rust);
  color: var(--bg-card);
}

.page-about .taxo-brick--lime {
  background: var(--accent-lime);
  color: var(--text-main);
}

.page-about .taxo-brick--orange {
  background: var(--accent-orange);
  color: var(--text-main);
}

.page-about .taxo-brick--blue {
  background: var(--status-blue);
  color: #fff;
}

.page-about .taxo-brick--purple {
  background: var(--status-purple);
  color: #fff;
}

.page-about .taxo-brick--dim {
  background: rgba(245, 240, 230, 0.12);
  border: 1px dashed rgba(245, 240, 230, 0.45);
  color: var(--bg-card);
}

.page-about .about-tag-cloud {
  background: rgba(245, 240, 230, 0.12);
  border: 1px solid rgba(184, 217, 74, 0.22);
  border-radius: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.75rem;
}

.page-about .about-tag-cloud .tag {
  font-size: 0.78rem;
}

.page-about .about-updates {
  padding: 1.75rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 8px 8px 24px 24px;
}

.page-about .about-updates-head > h2 {
  margin-bottom: 0.8rem;
}

.page-about .about-updates-head > p:not(.about-updates-kicker) {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.page-about .about-timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.page-about .about-timeline-item {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 12px 12px 18px 18px;
  padding: 0.8rem 0.7rem 0.7rem;
  position: relative;
  text-align: center;
}

.page-about .about-timeline-item::before {
  background: var(--accent-orange);
  border-radius: 50%;
  content: '';
  height: 8px;
  left: 50%;
  position: absolute;
  top: -5px;
  transform: translateX(-50%);
  width: 8px;
}

.page-about .timeline-ver {
  color: var(--accent-rust);
  display: block;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 900;
}

.page-about .timeline-label {
  color: var(--text-sub);
  display: block;
  font-size: 0.72rem;
  line-height: 1.35;
  margin-top: 0.2rem;
}

.page-about .about-updates-figure {
  margin: 0;
}

.page-about .about-updates-figure img {
  border: 1px solid var(--border);
  width: 100%;
}

.page-about .about-search {
  padding: 1.75rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 24px 24px 8px 8px;
}

.page-about .about-search-head h2 {
  font-family: var(--font-head);
  margin-bottom: 1rem;
}

.page-about .about-search-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-about .about-search-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px 14px 20px 20px;
  padding: 1rem 0.9rem;
}

.page-about .about-search-step h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.page-about .about-search-step p {
  color: var(--text-sub);
  font-size: 0.83rem;
  line-height: 1.65;
  margin: 0;
}

.page-about .step-no {
  color: var(--accent-rust);
  display: block;
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.page-about .about-status-row {
  align-items: center;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
}

.page-about .about-status-label {
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 0.1rem;
}

.page-about .about-status-note {
  color: var(--text-sub);
  font-size: 0.8rem;
  margin-left: auto;
}

.page-about .about-mobile-note {
  color: var(--text-sub);
  font-size: 0.83rem;
  margin-top: 1rem;
}

.page-about .about-mobile-note p {
  margin: 0;
}

.page-about .about-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

@media (min-width: 700px) {
  .page-about .about-wrap {
    padding: 2rem 2rem 5rem;
  }

  .page-about .about-hero {
    padding: 3rem;
  }

  .page-about .about-identity-inner {
    grid-template-columns: 1.5fr 1fr;
    gap: 2.5rem;
  }

  .page-about .about-taxonomy-inner {
    grid-template-columns: 1fr 1.2fr;
    gap: 2.5rem;
  }

  .page-about .about-taxonomy-bricks {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-about .about-search-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-lead {
    font-size: 1rem;
  }

  .page-about .about-taxonomy-bricks {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .taxo-brick--rust {
    grid-row: span 2;
  }

  .page-about .taxo-brick--dim {
    grid-column: span 3;
  }

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