.page-about {
  --about-primary: #0A1E3F;
  --about-accent: #FF6B35;
  --about-neon: #39FF14;
  --about-muted: #4A5A70;
  --about-bg: #F5F7FA;
  --about-dark: #051224;
  --about-radius: 14px;
  background: var(--about-bg);
  color: var(--about-primary);
  overflow-x: hidden;
}

.page-about .breadcrumbs {
  padding-top: 16px;
  padding-bottom: 0;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  letter-spacing: .08em;
}

.page-about .about-hero {
  background: linear-gradient(135deg, var(--about-dark) 0%, var(--about-primary) 45%, #1B4F72 100%);
  padding: 52px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, rgba(255, 107, 53, .25), rgba(57, 255, 20, .08));
  border-radius: 50%;
  filter: blur(72px);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  width: 100%;
  height: 42px;
  background: linear-gradient(135deg, transparent 48%, var(--about-bg) 48%);
  pointer-events: none;
}

.page-about .about-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero-eyebrow {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--about-neon);
  background: rgba(57, 255, 20, .08);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(57, 255, 20, .2);
  text-transform: uppercase;
}

.page-about .about-hero-copy h1 {
  font-family: Impact, 'Microsoft YaHei', sans-serif;
  font-size: clamp(42px, 10vw, 78px);
  line-height: .98;
  margin: 20px 0 18px;
  color: #fff;
  letter-spacing: .01em;
}

.page-about .about-hero-desc {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .85);
  max-width: 520px;
  margin-bottom: 28px;
}

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

.page-about .about-hero-actions .btn-outline {
  border-color: rgba(255, 255, 255, .35);
  color: #fff;
  background: rgba(255, 255, 255, .06);
}

.page-about .about-hero-actions .btn-outline:hover {
  border-color: var(--about-neon);
  color: var(--about-neon);
  background: rgba(57, 255, 20, .08);
}

.page-about .about-hero-visual {
  position: relative;
}

.page-about .about-hero-img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--about-radius);
  box-shadow: 0 24px 48px rgba(0, 0, 0, .35);
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0 100%);
}

.page-about .about-story {
  padding-top: 72px;
  padding-bottom: 64px;
}

.page-about .about-story .note-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(10, 30, 63, .1);
  border-radius: var(--about-radius);
  overflow: hidden;
  font-family: 'Courier New', monospace;
}

.page-about .about-fact {
  background: var(--about-bg);
  padding: 18px 16px;
}

.page-about .about-fact dt {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin-bottom: 8px;
}

.page-about .about-fact dd {
  font-size: 24px;
  font-weight: 700;
  color: var(--about-primary);
  margin: 0;
  line-height: 1.2;
}

.page-about .about-lead {
  font-size: 21px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--about-primary);
  border-left: 4px solid var(--about-accent);
  padding-left: 18px;
  margin: 0 0 24px;
}

.page-about .content-column p {
  font-size: 15px;
  line-height: 1.9;
  color: #24344a;
  margin: 0 0 18px;
}

.page-about .about-inline-link {
  color: var(--about-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(255, 107, 53, .4);
  transition: color .2s ease, text-decoration-color .2s ease;
}

.page-about .about-inline-link:hover {
  color: var(--about-primary);
  text-decoration-color: var(--about-primary);
}

.page-about .about-quote {
  margin: 32px 0 0;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(255, 107, 53, .08), rgba(57, 255, 20, .05));
  border-radius: var(--about-radius);
  border-left: 4px solid var(--about-neon);
  font-size: 18px;
  font-weight: 500;
  color: var(--about-primary);
  line-height: 1.7;
  font-style: italic;
}

.page-about .about-milestones {
  background: linear-gradient(180deg, var(--about-bg) 0%, #eef2f7 100%);
  padding-top: 72px;
  padding-bottom: 72px;
}

.page-about .about-timeline-wrapper {
  position: relative;
  margin-top: 32px;
}

.page-about .about-timeline-bg {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: var(--about-radius);
  opacity: .7;
  display: block;
  margin-bottom: 28px;
  filter: saturate(1.1);
}

.page-about .about-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-left: 24px;
}

.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-accent), var(--about-neon));
  border-radius: 2px;
}

.page-about .about-timeline-item {
  position: relative;
  padding-bottom: 4px;
}

.page-about .about-timeline-dot {
  position: absolute;
  left: -24px;
  top: 18px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--about-accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--about-accent);
  transition: transform .3s ease, box-shadow .3s ease;
}

.page-about .about-timeline-item:hover .about-timeline-dot {
  transform: scale(1.25);
  box-shadow: 0 0 0 4px var(--about-accent), 0 0 16px rgba(255, 107, 53, .5);
}

.page-about .about-timeline-card {
  background: #fff;
  border-radius: var(--about-radius);
  padding: 18px 20px;
  border: 1px solid rgba(10, 30, 63, .08);
  box-shadow: 0 4px 16px rgba(10, 30, 63, .05);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.page-about .about-timeline-item:hover .about-timeline-card {
  transform: translateX(8px);
  box-shadow: 0 12px 28px rgba(10, 30, 63, .1);
  border-color: rgba(255, 107, 53, .3);
}

.page-about .about-timeline-year {
  font-family: Impact, 'Microsoft YaHei', sans-serif;
  font-size: 22px;
  color: var(--about-accent);
  display: block;
  margin-bottom: 4px;
  letter-spacing: .04em;
}

.page-about .about-timeline-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--about-primary);
  font-weight: 700;
}

.page-about .about-timeline-card p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
}

.page-about .about-team {
  padding-top: 72px;
  padding-bottom: 72px;
}

.page-about .about-team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 28px;
}

.page-about .about-team-copy p {
  font-size: 15px;
  line-height: 1.9;
  color: #24344a;
  margin: 0 0 18px;
}

.page-about .about-team-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.page-about .about-team-stat {
  background: var(--about-primary);
  border-radius: var(--about-radius);
  padding: 20px 12px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about .about-team-stat::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-accent), var(--about-neon));
}

.page-about .about-team-num {
  display: block;
  font-family: Impact, 'Microsoft YaHei', sans-serif;
  font-size: 34px;
  line-height: 1;
  color: #fff;
  margin-bottom: 8px;
}

.page-about .about-team-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
  letter-spacing: .06em;
}

.page-about .about-org {
  margin-top: 28px;
  text-align: center;
  position: relative;
}

.page-about .about-org-root {
  display: inline-block;
  background: var(--about-primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  position: relative;
  z-index: 1;
}

.page-about .about-org-branches {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  position: relative;
  padding-top: 18px;
}

.page-about .about-org-branches::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12%;
  width: 76%;
  height: 1px;
  background: var(--about-primary);
  opacity: .2;
}

.page-about .about-org-branches::after {
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  width: 1px;
  height: 16px;
  background: var(--about-primary);
  opacity: .2;
}

.page-about .about-org-item {
  background: #fff;
  border: 1.5px solid rgba(10, 30, 63, .2);
  color: var(--about-primary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.page-about .about-org-item:hover {
  border-color: var(--about-accent);
  box-shadow: 0 6px 16px rgba(255, 107, 53, .12);
  transform: translateY(-2px);
}

.page-about .about-team-visual {
  position: relative;
}

.page-about .about-team-img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--about-radius);
  box-shadow: 0 16px 36px rgba(10, 30, 63, .14);
}

.page-about .about-credentials {
  background: linear-gradient(180deg, #eef2f7 0%, var(--about-bg) 100%);
  padding-top: 72px;
  padding-bottom: 72px;
}

.page-about .about-cred-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-cred-item {
  background: #fff;
  border-radius: var(--about-radius);
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(10, 30, 63, .06);
  border-top: 4px solid transparent;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.page-about .about-cred-item:nth-child(1) {
  border-top-color: var(--about-accent);
}

.page-about .about-cred-item:nth-child(2) {
  border-top-color: var(--about-neon);
}

.page-about .about-cred-item:nth-child(3) {
  border-top-color: var(--about-primary);
}

.page-about .about-cred-item:nth-child(4) {
  border-top-color: var(--about-accent);
}

.page-about .about-cred-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(10, 30, 63, .12);
}

.page-about .about-cred-badge {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--about-primary);
  background: rgba(10, 30, 63, .06);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 16px;
}

.page-about .about-cred-item h3 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--about-primary);
  font-weight: 700;
}

.page-about .about-cred-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
}

.page-about .about-partners {
  padding-top: 72px;
  padding-bottom: 72px;
}

.page-about .about-partners-lead {
  font-size: 15px;
  line-height: 1.9;
  color: var(--about-muted);
  max-width: 640px;
  margin: 20px 0 28px;
}

.page-about .about-partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about .about-partner-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid rgba(10, 30, 63, .08);
  border-radius: var(--about-radius);
  padding: 28px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--about-primary);
  text-align: center;
  min-height: 72px;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
  font-family: 'Microsoft YaHei', sans-serif;
}

.page-about .about-partner-tile:hover {
  background: var(--about-primary);
  color: #fff;
  border-color: var(--about-primary);
  box-shadow: 0 10px 24px rgba(10, 30, 63, .18);
}

.page-about .about-cta-card {
  margin-top: 36px;
  background: linear-gradient(135deg, var(--about-primary), #1B4F72);
  border-radius: var(--about-radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.page-about .about-cta-card::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, rgba(255, 107, 53, .4), rgba(57, 255, 20, .1));
  border-radius: 50%;
  filter: blur(28px);
  pointer-events: none;
}

.page-about .about-cta-card p {
  color: rgba(255, 255, 255, .92);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 500;
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-about .about-cta-card .btn {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .page-about .about-hero-inner {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-about .about-hero-img {
    max-height: 560px;
  }

  .page-about .about-story .note-grid {
    grid-template-columns: 280px 1fr;
    gap: 48px;
  }

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

  .page-about .about-timeline {
    padding-left: 36px;
  }

  .page-about .about-timeline::before {
    left: 9px;
  }

  .page-about .about-timeline-dot {
    left: -36px;
    width: 18px;
    height: 18px;
  }

  .page-about .about-timeline-card {
    padding: 22px 24px;
  }

  .page-about .about-timeline-year {
    font-size: 26px;
  }

  .page-about .about-timeline-card h3 {
    font-size: 17px;
  }

  .page-about .about-timeline-card p {
    font-size: 14px;
  }

  .page-about .about-timeline-bg {
    max-height: 240px;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-about .about-team-img {
    max-height: 400px;
  }

  .page-about .about-team-visual {
    position: sticky;
    top: 96px;
  }

  .page-about .about-cred-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about .about-partner-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .about-partner-tile {
    min-height: 100px;
  }

  .page-about .about-cta-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 36px 40px;
  }

  .page-about .about-cta-card p {
    font-size: 19px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 72px 0 96px;
  }

  .page-about .about-hero-copy h1 {
    font-size: 84px;
  }

  .page-about .about-hero-desc {
    font-size: 17px;
    max-width: 560px;
  }

  .page-about .about-hero-img {
    max-height: 700px;
  }

  .page-about .about-timeline-wrapper {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-about .about-timeline {
    padding-left: 44px;
  }

  .page-about .about-timeline-dot {
    left: -44px;
  }

  .page-about .about-team-stats {
    gap: 16px;
  }

  .page-about .about-team-num {
    font-size: 42px;
  }

  .page-about .about-org-branches {
    gap: 14px;
  }

  .page-about .about-org-item {
    padding: 10px 20px;
  }
}