.page-about {
  --about-line: rgba(205, 214, 245, 0.16);
  --about-soft: rgba(245, 196, 81, 0.14);
  min-width: 0;
  background: var(--bg-void);
  padding: clamp(24px, 5vw, 72px) 0 clamp(56px, 8vw, 96px);
  color: var(--ink);
}

.page-about section[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--ink-dim);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
}

.page-about .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about .breadcrumb a:hover {
  color: var(--gold);
}

.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.page-about .about-hero-copy h1 {
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 12px 0 20px;
  color: var(--ink);
}

.page-about .about-hero-copy .section-lead {
  max-width: 640px;
  color: var(--ink-dim);
  line-height: 1.85;
  font-size: 1rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-about .about-dashboard {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(18, 26, 58, 0.92), rgba(22, 31, 69, 0.72));
  box-shadow: var(--shadow);
  padding: 24px;
}

.page-about .about-dashboard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 0%, rgba(245, 196, 81, 0.14), transparent 58%);
  pointer-events: none;
}

.page-about .about-dashboard .title-en {
  color: var(--silver);
  margin-bottom: 18px;
}

.page-about .about-dash-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
}

.page-about .about-stat {
  border-top: 1px solid var(--about-line);
  padding: 18px 0 10px;
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.84rem;
  color: var(--ink-dim);
  line-height: 1.4;
}

.page-about .about-dash-note {
  position: relative;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--about-line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--silver);
  letter-spacing: 0.03em;
}

.page-about .about-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 16px 0;
  margin: 8px 0 52px;
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
  font-size: 0.85rem;
}

.page-about .about-toc a {
  color: var(--ink-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.page-about .about-toc a:hover {
  color: var(--gold);
  border-color: var(--line-strong);
}

.page-about .section-head {
  max-width: 780px;
  margin-bottom: 30px;
}

.page-about .section-head .title-en {
  color: var(--gold);
  margin-top: 8px;
}

.page-about .section-head h2 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 8px 0 12px;
}

.page-about .section-head .section-lead {
  color: var(--ink-dim);
  line-height: 1.8;
}

.page-about .about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 44px 0 48px;
  margin-bottom: 28px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-intro h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 800;
  margin: 8px 0 16px;
}

.page-about .about-intro-copy p {
  color: var(--ink-dim);
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 680px;
}

.page-about .link-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: letter-spacing var(--transition);
}

.page-about .link-inline:hover {
  letter-spacing: 0.04em;
}

.page-about .about-intro-facts {
  border-left: 2px solid var(--gold);
  background: linear-gradient(135deg, rgba(26, 42, 108, 0.22), rgba(58, 12, 163, 0.2));
  padding: 24px 20px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.page-about .about-fact-list p {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink);
  margin: 0;
  padding: 9px 0;
  line-height: 1.6;
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-fact-list p:last-child {
  border-bottom: 0;
}

.page-about .about-timeline-wrap {
  position: relative;
  padding-top: 44px;
}

.page-about .about-timeline-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  margin: 30px 0 44px;
  background: var(--bg-deep);
}

.page-about .about-timeline-visual img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 360px);
  object-fit: cover;
  opacity: 0.3;
}

.page-about .about-timeline-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.18), rgba(11, 16, 38, 0.8));
  pointer-events: none;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(245, 196, 81, 0.3), transparent);
}

.page-about .about-stage {
  position: relative;
  padding: 0 0 32px 48px;
}

.page-about .stage-node {
  position: absolute;
  left: 5px;
  top: 10px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(245, 196, 81, 0.12), 0 0 14px rgba(245, 196, 81, 0.5);
}

.page-about .stage-card {
  background: var(--bg-deep);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-about .stage-card:hover,
.page-about .stage-card:focus-within {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.page-about .stage-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 6px 0 12px;
  letter-spacing: 0.02em;
}

.page-about .stage-card p {
  color: var(--ink-dim);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-about .stage-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .stage-card li {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--silver);
  border: 1px solid var(--about-line);
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(11, 16, 38, 0.35);
}

.page-about .stage-phase {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0;
}

.page-about .about-capabilities {
  padding-top: 52px;
}

.page-about .about-capa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-about .about-capa-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background: var(--bg-deep);
  aspect-ratio: 4 / 3;
}

.page-about .about-capa-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-capa-figure figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink);
  background: rgba(11, 16, 38, 0.74);
  border: 1px solid var(--about-line);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.page-about .about-capa-list {
  background: linear-gradient(160deg, rgba(18, 26, 58, 0.9), rgba(22, 31, 69, 0.68));
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.page-about .about-capa-list .data-line {
  padding: 16px 0;
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-capa-list .data-line:first-child {
  padding-top: 0;
}

.page-about .about-style-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--about-line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--silver);
  letter-spacing: 0.04em;
}

.page-about .about-team {
  padding-top: 52px;
}

.page-about .about-org-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 34px;
}

.page-about .about-org-card {
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-about .about-org-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.page-about .about-org-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-about .about-org-head .tag {
  font-size: 0.72rem;
}

.page-about .about-org-head strong {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
}

.page-about .about-org-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-about .about-org-card p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.7;
  min-height: 4.6em;
  margin: 0;
}

.page-about .about-meter {
  margin-top: 18px;
  height: 4px;
  border-radius: 999px;
  background: rgba(205, 214, 245, 0.1);
  overflow: hidden;
}

.page-about .about-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
}

.page-about .bar-p40 { width: 40%; }
.page-about .bar-p30 { width: 30%; }
.page-about .bar-p20 { width: 20%; }
.page-about .bar-p10 { width: 10%; }

.page-about .about-credentials {
  padding-top: 52px;
}

.page-about .about-cred-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-about .about-cred-list li {
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--gold);
  background: rgba(18, 26, 58, 0.55);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: background var(--transition), border-color var(--transition);
}

.page-about .about-cred-list li:hover {
  background: rgba(28, 40, 82, 0.6);
  border-color: var(--line-strong);
}

.page-about .about-cred-list .tag-gold {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--about-soft);
}

.page-about .about-cred-list strong {
  display: block;
  margin: 12px 0 6px;
  font-size: 1.04rem;
  font-weight: 700;
}

.page-about .about-cred-list p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-about .about-ecosystem {
  padding-top: 52px;
}

.page-about .about-eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-about .about-eco-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background: var(--bg-deep);
  aspect-ratio: 3 / 2;
}

.page-about .about-eco-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.page-about .about-eco-figure:hover img {
  transform: scale(1.03);
}

.page-about .about-eco-figure figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink);
  background: rgba(11, 16, 38, 0.76);
  border: 1px solid var(--about-line);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.page-about .about-eco-content {
  color: var(--ink-dim);
  line-height: 1.85;
}

.page-about .about-eco-content p {
  margin: 0 0 16px;
  max-width: 520px;
}

.page-about .about-eco-tags {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-eco-content .btn {
  margin-top: 8px;
}

.page-about .about-wrap {
  margin-top: 64px;
  padding: 36px 0 0;
  border-top: 1px solid var(--about-line);
}

.page-about .afterword {
  color: var(--ink-dim);
  max-width: 720px;
  line-height: 1.8;
  margin: 0;
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 22px;
}

.page-about .about-links a {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--about-line);
  padding-bottom: 3px;
  transition: color var(--transition), border-color var(--transition);
}

.page-about .about-links a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

@media (min-width: 700px) {
  .page-about .about-org-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cred-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-intro {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 52px;
  }

  .page-about .about-capa-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
  }

  .page-about .about-eco-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-about .about-org-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-timeline {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
  }
}