.page-about {
  --track-bg: rgba(148, 163, 184, 0.14);
}

.page-about .about-hero-wrap {
  background:
    radial-gradient(ellipse at 85% 18%, rgba(0, 229, 255, 0.12), transparent 56%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(6, 11, 20, 0) 100%);
  border-bottom: 1px solid var(--line-strong);
  padding-top: 32px;
  padding-bottom: 44px;
}

.page-about .about-hero {
  display: grid;
  gap: 28px;
}

.page-about .about-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-high);
}

.page-about .about-hero__sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin: 0;
}

.page-about .about-hero__desc {
  margin: 0;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 62ch;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
  border: 2px solid var(--accent-cyan);
  box-shadow: var(--shadow-hard);
  background: var(--bg-surface);
  overflow: hidden;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .about-caption {
  margin: 0;
}

.page-about .about-preview {
  border-bottom: 1px solid var(--line-strong);
  background: rgba(6, 11, 20, 0.6);
  padding-bottom: 16px;
}

.page-about .about-preview__track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-preview__track::-webkit-scrollbar {
  display: none;
}

.page-about .about-preview__item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--line-strong);
  color: var(--text-mid);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-about .about-preview__item:hover {
  border-left-color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--text-high);
  background: rgba(15, 23, 42, 0.8);
}

.page-about .about-preview__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.page-about .about-preview__label {
  font-size: 0.92rem;
  font-weight: 600;
}

.page-about .about-brand__content {
  display: grid;
  gap: 24px;
}

.page-about .about-brand__mission {
  color: var(--text-mid);
  line-height: 1.8;
}

.page-about .about-brand__lead {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text-high);
}

.page-about .about-brand__mission p:last-child {
  margin-bottom: 0;
}

.page-about .about-brand__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-brand__card {
  padding: 18px 16px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .about-brand__card:nth-child(1) {
  border-top: 4px solid var(--accent-cyan);
}

.page-about .about-brand__card:nth-child(2) {
  border-top: 4px solid var(--accent-violet);
}

.page-about .about-brand__card:nth-child(3) {
  border-top: 4px solid var(--accent-lime);
}

.page-about .about-brand__card:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-2px);
}

.page-about .about-brand__card-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 24px;
  padding: 0 6px;
  margin-bottom: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
}

.page-about .about-brand__card-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-high);
}

.page-about .about-brand__card p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.93rem;
  line-height: 1.65;
}

.page-about .about-coverage {
  position: relative;
}

.page-about .about-coverage::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 180px;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.05), transparent);
  pointer-events: none;
}

.page-about .about-coverage__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
  position: relative;
}

.page-about .about-coverage__stat {
  padding: 18px 12px;
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-coverage__stat:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-cyan);
}

.page-about .about-coverage__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--accent-cyan);
}

.page-about .about-coverage__label {
  display: block;
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--text-mid);
}

.page-about .about-coverage__main {
  display: grid;
  gap: 18px;
  position: relative;
}

.page-about .about-coverage__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--bg-surface);
  overflow: hidden;
}

.page-about .about-coverage__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .about-coverage__side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-about .about-coverage__note {
  padding: 16px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.88));
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--accent-violet);
  box-shadow: var(--shadow-hard);
}

.page-about .about-coverage__note:nth-child(2) {
  border-left-color: var(--accent-cyan);
}

.page-about .about-coverage__note:nth-child(3) {
  border-left-color: var(--accent-lime);
}

.page-about .about-coverage__note-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 6px;
}

.page-about .about-coverage__note-value {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-high);
  margin-bottom: 6px;
}

.page-about .about-coverage__note p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-about .about-timeline {
  display: grid;
  gap: 4px;
  max-width: 820px;
}

.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: 68px 12px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 20px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-align: right;
  line-height: 1.3;
  padding-top: 14px;
}

.page-about .about-timeline__line {
  position: relative;
  justify-self: center;
  width: 2px;
  min-height: 100%;
  background: var(--line-strong);
}

.page-about .about-timeline__line::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.2);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline__item:hover .about-timeline__line::before {
  background: var(--accent-lime);
  box-shadow: 0 0 0 3px rgba(191, 255, 0, 0.2);
}

.page-about .about-timeline__panel {
  padding: 16px;
  background: var(--bg-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline__panel:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-cyan);
}

.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-high);
}

.page-about .about-timeline__panel p {
  margin: 0 0 10px;
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.7;
}

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

.page-about .about-team::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 160px;
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.05), transparent);
  pointer-events: none;
}

.page-about .about-team__layout {
  display: grid;
  gap: 20px;
  position: relative;
}

.page-about .about-team__main {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-team__panel {
  padding: 18px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-team__panel:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-cyan);
}

.page-about .about-team__h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-high);
}

.page-about .about-team__panel p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .about-team__bars {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.page-about .about-team__bar-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 42px;
  gap: 8px;
  align-items: center;
}

.page-about .about-team__bar-label {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.3;
}

.page-about .about-team__bar-track {
  height: 12px;
  background: var(--track-bg);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-about .about-team__bar-fill {
  display: block;
  height: 100%;
}

.page-about .about-team__bar-fill--cyan {
  background: var(--accent-cyan);
}

.page-about .about-team__bar-fill--violet {
  background: var(--accent-violet);
}

.page-about .about-team__bar-fill--lime {
  background: var(--accent-lime);
}

.page-about .about-team__bar-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-high);
  text-align: right;
}

.page-about .about-team__cert-list,
.page-about .about-team__honor-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-about .about-team__cert-list li,
.page-about .about-team__honor-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(6, 11, 20, 0.45);
  border-left: 3px solid var(--accent-cyan);
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.5;
}

.page-about .about-team__honor-list li {
  border-left-color: var(--accent-violet);
}

.page-about .about-team__cert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 26px;
  padding: 0 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.page-about .about-team__honor-year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-violet);
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  padding: 2px 8px;
}

.page-about .about-team__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-team__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--bg-surface);
  overflow: hidden;
}

.page-about .about-team__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .about-team__partners {
  padding: 18px;
}

.page-about .about-team__trust {
  padding: 16px;
  text-align: center;
}

.page-about .about-team__trust p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-high);
}

.page-about .about-more__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-more__card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  background: var(--bg-surface);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-about .about-more__card:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-cyan);
  background: var(--bg-elevated);
}

.page-about .about-more__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
}

.page-about .about-more__card strong {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-high);
}

.page-about .about-more__card span:last-child {
  color: var(--text-low);
  font-size: 0.9rem;
}

@media (min-width: 720px) {
  .page-about .about-brand__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-brand__card:last-child {
    grid-column: 1 / -1;
  }

  .page-about .about-coverage__main {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

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

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-about .about-hero-wrap {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .page-about .about-brand__content {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 32px;
    align-items: start;
  }

  .page-about .about-brand__lead {
    font-size: 1.7rem;
  }

  .page-about .about-coverage__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about .about-coverage__stat {
    padding: 24px 16px;
  }

  .page-about .about-coverage__value {
    font-size: 2.5rem;
  }

  .page-about .about-timeline__item {
    grid-template-columns: 120px 24px minmax(0, 640px);
    gap: 22px;
  }

  .page-about .about-timeline__year {
    font-size: 1.6rem;
    padding-top: 18px;
  }

  .page-about .about-timeline__line::before {
    top: 22px;
    width: 12px;
    height: 12px;
  }

  .page-about .about-timeline__panel {
    padding: 20px 22px;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-about .about-preview__track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    overflow: visible;
  }

  .page-about .about-preview__item {
    justify-content: center;
  }
}