.page-about {
  overflow-x: hidden;
  background: var(--color-bg-deep);
  color: var(--color-body-text);
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .breadcrumbs {
  margin: 28px 0 0;
}

.page-about .about-hero {
  position: relative;
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--color-bg-line);
  background:
    radial-gradient(circle at 85% 20%, rgba(100, 225, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(4, 10, 20, 0.4), rgba(11, 31, 58, 0.6)),
    repeating-linear-gradient(90deg, transparent 0 44px, var(--grid-line) 44px 45px);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

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

.page-about .about-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-flow-cyan);
}

.page-about .about-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 4px;
  background: var(--color-accent-orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-about .about-hero h1 {
  margin: 0 0 10px;
  font-family: var(--font-headings);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--color-white);
}

.page-about .about-hero__subtitle {
  margin: 0 0 24px;
  font-family: var(--font-headings);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-body-text);
}

.page-about .about-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid rgba(61, 255, 131, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(61, 255, 131, 0.06);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-body-text);
}

.page-about .about-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent-green);
  box-shadow: 0 0 0 4px rgba(61, 255, 131, 0.15);
}

.page-about .about-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-panel);
}

.page-about .about-hero__visual::before {
  content: "";
  position: absolute;
  left: -8px;
  bottom: 28px;
  width: 60px;
  height: 4px;
  background: var(--color-accent-green);
  transform: rotate(-45deg);
  transform-origin: left center;
  z-index: 2;
}

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

.page-about .about-hero__caption {
  display: block;
  padding: 12px 18px;
  border-top: 1px solid var(--color-bg-line);
  background: rgba(4, 10, 20, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.page-about .about-profile {
  padding: 64px 0;
}

.page-about .about-profile__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

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

.page-about .about-profile__story h2,
.page-about .about-scope__heading h2,
.page-about .about-leagues__intro h2,
.page-about .about-timeline__head h2,
.page-about .about-trust__certs h2 {
  margin: 12px 0 20px;
  font-family: var(--font-headings);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--color-white);
}

.page-about .about-profile__story p {
  margin: 0 0 16px;
  line-height: 1.75;
  color: var(--color-body-text);
}

.page-about .about-profile__story .btn {
  margin-top: 12px;
}

.page-about .about-profile__stats {
  padding: 28px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18, 41, 77, 0.85), rgba(4, 10, 20, 0.6));
}

.page-about .about-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 20px 18px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-md);
  background: rgba(11, 31, 58, 0.65);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .about-stat:hover {
  border-color: var(--color-accent-green);
  transform: translateY(-2px);
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent-green);
}

.page-about .about-stat__unit {
  margin-left: 2px;
  font-size: 24px;
  color: var(--color-body-text);
}

.page-about .about-stat__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.page-about .about-scope {
  padding: 64px 0 72px;
  border-top: 1px solid var(--color-bg-line);
  border-bottom: 1px solid var(--color-bg-line);
  background:
    linear-gradient(120deg, rgba(4, 10, 20, 0.5), transparent 60%),
    rgba(18, 41, 77, 0.3);
}

.page-about .about-scope__heading {
  max-width: 720px;
}

.page-about .about-scope__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-about .about-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 40px;
}

.page-about .about-scope__figure {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
  background: rgba(11, 31, 58, 0.6);
  transition: border-color 0.3s ease;
}

.page-about .about-scope__figure:hover {
  border-color: var(--color-flow-cyan);
}

.page-about .about-scope__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 50% 50%, rgba(61, 255, 131, 0.05), transparent 60%),
    var(--color-bg-deep);
}

.page-about .about-scope__figure figcaption {
  padding: 14px 6px 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.page-about .about-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .about-scope-item {
  padding: 22px 24px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 77, 0.85);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.page-about .about-scope-item:hover {
  border-color: var(--color-accent-green);
  background: radial-gradient(circle at 92% 8%, rgba(61, 255, 131, 0.1), rgba(18, 41, 77, 0.92) 60%);
  transform: translateX(4px);
}

.page-about .about-scope-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .about-scope-item__index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

.page-about .about-scope-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-headings);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
}

.page-about .about-scope-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-body-text);
}

.page-about .about-leagues {
  padding: 64px 0;
}

.page-about .about-leagues__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

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

.page-about .about-leagues__intro p {
  margin-bottom: 24px;
  line-height: 1.7;
  color: var(--color-body-text);
}

.page-about .about-leagues__core {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 150px;
  margin: 24px 0 0;
  border: 2px solid var(--color-accent-green);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 255, 131, 0.12), rgba(18, 41, 77, 0.9) 70%);
  box-shadow: 0 0 0 8px rgba(61, 255, 131, 0.04);
  text-align: center;
}

.page-about .about-leagues__core-num {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent-green);
}

.page-about .about-leagues__core-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-about .about-leagues__map {
  position: relative;
  padding: 28px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18, 41, 77, 0.8), rgba(4, 10, 20, 0.5));
}

.page-about .about-league-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-league {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(18, 41, 77, 0.8), rgba(4, 10, 20, 0.5));
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-league:hover {
  border-color: var(--color-flow-cyan);
  box-shadow: inset 0 0 0 1px rgba(100, 225, 255, 0.2);
}

.page-about .about-league__cn {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
}

.page-about .about-league__en {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .about-league__tag {
  align-self: flex-start;
  margin-top: 6px;
  padding: 2px 10px;
  border: 1px solid rgba(61, 255, 131, 0.3);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent-green);
}

.page-about .about-leagues__note {
  margin: 28px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent-orange);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-about .about-timeline {
  padding: 64px 0;
  border-top: 1px solid var(--color-bg-line);
  background: rgba(4, 10, 20, 0.3);
}

.page-about .about-timeline__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  margin-top: 36px;
}

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

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 15px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent-green), rgba(61, 255, 131, 0.1));
}

.page-about .about-timeline-item {
  position: relative;
  margin-bottom: 20px;
}

.page-about .about-timeline-item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline-item__dot {
  position: absolute;
  left: 8px;
  top: 24px;
  width: 16px;
  height: 16px;
  border: 3px solid var(--color-accent-green);
  border-radius: 50%;
  background: var(--color-bg-deep);
  box-shadow: 0 0 0 4px rgba(61, 255, 131, 0.12);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.page-about .about-timeline-item:hover .about-timeline-item__dot {
  background: var(--color-accent-green);
  box-shadow: 0 0 0 8px rgba(61, 255, 131, 0.18);
}

.page-about .about-timeline-item__card {
  margin-left: 40px;
  padding: 18px 20px;
  border: 1px solid var(--color-bg-line);
  border-left: 3px solid rgba(61, 255, 131, 0.5);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 77, 0.7);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-about .about-timeline-item:hover .about-timeline-item__card {
  border-color: var(--color-accent-green);
  background: rgba(61, 255, 131, 0.04);
}

.page-about .about-timeline-item__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-headings);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
}

.page-about .about-timeline-item__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-body-text);
}

.page-about .about-timeline__visual {
  align-self: center;
  overflow: hidden;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
}

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

.page-about .about-timeline__caption {
  display: block;
  padding: 12px 16px;
  background: rgba(4, 10, 20, 0.75);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.page-about .about-trust {
  padding: 64px 0;
  border-top: 1px solid var(--color-bg-line);
}

.page-about .about-trust__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

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

.page-about .about-cert-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-cert {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 77, 0.7);
  transition: border-color 0.3s ease;
}

.page-about .about-cert:hover {
  border-color: var(--color-accent-green);
}

.page-about .about-cert__badge {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-bg-deep);
  white-space: nowrap;
}

.page-about .about-cert__name {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-white);
}

.page-about .about-trust__partners {
  padding: 28px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 0%, rgba(100, 225, 255, 0.08), transparent 50%),
    rgba(18, 41, 77, 0.8);
}

.page-about .about-partner-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-partner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--color-bg-line);
  border-radius: var(--radius-md);
  background: rgba(11, 31, 58, 0.7);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .about-partner:hover {
  border-color: var(--color-flow-cyan);
  transform: translateY(-2px);
}

.page-about .about-partner__mono {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(100, 225, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-flow-cyan);
}

.page-about .about-trust__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-about .about-coda {
  padding: 56px 0 80px;
  border-top: 1px solid var(--color-bg-line);
  background: var(--color-bg-black);
}

.page-about .about-coda__inner {
  text-align: center;
}

.page-about .about-coda__kicker {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .about-coda__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.page-about .about-coda__link {
  border-bottom: 1px solid transparent;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-body-text);
  text-decoration: none;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.page-about .about-coda__link:hover,
.page-about .about-coda__link:focus-visible {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 64px 0 80px;
  }

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

  .page-about .about-scope__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 72px;
  }

  .page-about .about-profile {
    padding: 96px 0;
  }

  .page-about .about-profile__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 64px;
    align-items: center;
  }

  .page-about .about-scope {
    padding: 96px 0;
  }

  .page-about .about-scope__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 48px;
  }

  .page-about .about-scope__lead {
    max-width: 40em;
    margin: 0;
    text-align: right;
  }

  .page-about .about-scope__grid {
    gap: 56px;
  }

  .page-about .about-leagues {
    padding: 96px 0;
  }

  .page-about .about-leagues__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 64px;
    align-items: center;
  }

  .page-about .about-timeline {
    padding: 96px 0;
  }

  .page-about .about-timeline__body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 64px;
    align-items: start;
  }

  .page-about .about-trust {
    padding: 96px 0;
  }

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

  .page-about .about-coda {
    padding: 64px 0 96px;
  }
}