.page-about {
  background-color: var(--c7-bg-deep);
  color: var(--c7-text-light);
  overflow-x: clip;
}

.page-about-hero {
  position: relative;
  padding: 52px 0 56px;
  background: linear-gradient(155deg, rgba(30, 42, 74, 0.5), transparent 70%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.16);
}

.page-about-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--c7-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(245, 247, 250, 0.48);
  margin-bottom: 36px;
}

.page-about-breadcrumb a {
  color: rgba(245, 247, 250, 0.65);
  text-decoration: none;
  transition: color var(--c7-transition);
}

.page-about-breadcrumb a:hover,
.page-about-breadcrumb a:focus-visible {
  color: var(--c7-gold);
  outline: none;
}

.page-about-hero h1 {
  margin: 20px 0 0;
  font-family: var(--c7-font-display);
  font-size: clamp(1.9rem, 5vw, 3.45rem);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--c7-text-light);
  max-width: 820px;
}

.page-about-hero-lead {
  margin-top: 22px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.72);
  max-width: 680px;
}

.page-about-hero-meta {
  position: relative;
  background: rgba(10, 25, 47, 0.6);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 16px;
  padding: 24px 26px 16px;
  margin-top: 28px;
  box-shadow: 0 22px 48px rgba(10, 25, 47, 0.35);
}

.page-about-hero-meta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 18px solid var(--c7-gold);
  border-right: 18px solid transparent;
}

.page-about-meta-index {
  display: block;
  font-family: var(--c7-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(245, 247, 250, 0.42);
  margin-bottom: 16px;
}

.page-about-meta-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(245, 247, 250, 0.06);
}

.page-about-meta-item:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.page-about-meta-item dt {
  color: rgba(245, 247, 250, 0.56);
  font-size: 13px;
}

.page-about-meta-item dd {
  margin: 0;
  color: var(--c7-gold-light);
  font-family: var(--c7-font-mono);
  font-size: 14px;
}

.page-about-archive {
  padding: 52px 0 60px;
}

.page-about-archive-grid {
  align-items: flex-start;
  gap: 32px;
}

.page-about-archive-content {
  min-width: 0;
}

.page-about-rail {
  position: relative;
  min-width: 0;
}

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

.page-about-rail-list::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.6), rgba(212, 175, 55, 0.06));
}

.page-about-rail-list li {
  position: relative;
}

.page-about-rail-list a {
  position: relative;
  display: block;
  padding: 14px 8px 14px 32px;
  font-family: var(--c7-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 250, 0.58);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 247, 250, 0.05);
  transition: color var(--c7-transition), padding-left var(--c7-transition);
}

.page-about-rail-list a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c7-bg-deep);
  border: 2px solid var(--c7-gold);
  transform: translateY(-50%);
  transition: background var(--c7-transition), box-shadow var(--c7-transition);
}

.page-about-rail-num {
  font-family: var(--c7-font-mono);
  font-size: 12px;
  color: var(--c7-gold);
  margin-right: 6px;
}

.page-about-rail-list a:hover,
.page-about-rail-list a:focus-visible {
  color: var(--c7-gold-light);
  padding-left: 38px;
  outline: none;
}

.page-about-rail-list a:hover::before,
.page-about-rail-list a:focus-visible::before {
  background: var(--c7-gold);
  box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.16);
}

.page-about-block {
  position: relative;
  border-radius: 20px;
  padding: 34px 28px;
  margin-bottom: 40px;
  border: 1px solid rgba(245, 247, 250, 0.07);
  scroll-margin-top: 100px;
  overflow: hidden;
}

.page-about-block::after {
  content: '';
  position: absolute;
  right: -70px;
  top: -76px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.3;
  pointer-events: none;
}

.page-about-block-story {
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.09), rgba(10, 25, 47, 0.26));
}

.page-about-block-story::after {
  background: rgba(212, 175, 55, 0.55);
}

.page-about-block-journey {
  background: linear-gradient(145deg, rgba(155, 89, 182, 0.1), rgba(10, 25, 47, 0.28));
}

.page-about-block-journey::after {
  background: rgba(155, 89, 182, 0.5);
}

.page-about-block-tech {
  background: linear-gradient(145deg, rgba(30, 42, 74, 0.68), rgba(10, 25, 47, 0.36));
}

.page-about-block-tech::after {
  background: rgba(212, 175, 55, 0.35);
}

.page-about-block-team {
  background: linear-gradient(145deg, rgba(30, 42, 74, 0.5), rgba(155, 89, 182, 0.12));
}

.page-about-block-team::after {
  background: rgba(155, 89, 182, 0.45);
}

.page-about-block-honors {
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.11), rgba(10, 25, 47, 0.24));
}

.page-about-block-honors::after {
  background: rgba(212, 175, 55, 0.4);
}

.page-about-block-local {
  background: linear-gradient(145deg, rgba(142, 44, 72, 0.16), rgba(10, 25, 47, 0.24));
}

.page-about-block-local::after {
  background: rgba(142, 44, 72, 0.45);
}

.page-about-block:target {
  border-color: rgba(212, 175, 55, 0.42);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.07), 0 24px 52px rgba(10, 25, 47, 0.28);
}

.page-about-block-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about-block-title {
  margin: 0;
  font-family: var(--c7-font-display);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--c7-text-light);
}

.page-about-block-para {
  margin: 0 0 16px;
  color: rgba(245, 247, 250, 0.8);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-about-block-para:last-child {
  margin-bottom: 0;
}

.page-about-block-para a,
.page-about-tech-detail a {
  color: var(--c7-gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.32);
  transition: color var(--c7-transition), border-color var(--c7-transition);
}

.page-about-block-para a:hover,
.page-about-block-para a:focus-visible,
.page-about-tech-detail a:hover,
.page-about-tech-detail a:focus-visible {
  color: var(--c7-gold);
  border-bottom-color: var(--c7-gold);
  outline: none;
}

.page-about-figure {
  margin: 20px 0 0;
}

.page-about-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(212, 175, 55, 0.18);
  box-shadow: 0 24px 50px rgba(10, 25, 47, 0.4);
}

.page-about-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  position: relative;
}

.page-about-timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c7-gold), rgba(212, 175, 55, 0.08));
}

.page-about-timeline-item {
  position: relative;
  padding-left: 56px;
  margin-bottom: 26px;
}

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

.page-about-timeline-item::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--c7-bg-deep);
  border: 2.5px solid var(--c7-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.14);
}

.page-about-timeline-year {
  display: inline-block;
  font-family: var(--c7-font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c7-gold);
  margin-bottom: 12px;
}

.page-about-timeline-card {
  background: rgba(10, 25, 47, 0.42);
  border: 1px solid rgba(245, 247, 250, 0.07);
  border-radius: 14px;
  padding: 20px 22px;
  transition: border-color var(--c7-transition), transform var(--c7-transition);
}

.page-about-timeline-card:hover {
  border-color: rgba(212, 175, 55, 0.28);
  transform: translateY(-2px);
}

.page-about-timeline-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c7-text-light);
}

.page-about-timeline-card p {
  margin: 0;
  color: rgba(245, 247, 250, 0.68);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-about-tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0 24px;
}

.page-about-tech-cell {
  background: rgba(10, 25, 47, 0.5);
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: 14px;
  padding: 22px 14px;
  text-align: center;
  transition: border-color var(--c7-transition), transform var(--c7-transition);
}

.page-about-tech-cell:hover {
  border-color: rgba(212, 175, 55, 0.42);
  transform: translateY(-2px);
}

.page-about-tech-num {
  display: block;
  font-family: var(--c7-font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  background: var(--c7-gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about-tech-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(245, 247, 250, 0.68);
}

.page-about-tech-detail {
  margin-top: 20px;
  padding: 18px 20px;
  background: rgba(10, 25, 47, 0.45);
  border-left: 3px solid var(--c7-gold);
  border-radius: 0 12px 12px 0;
}

.page-about-tech-detail h3 {
  margin: 0 0 6px;
  color: var(--c7-gold-light);
  font-size: 1rem;
  font-weight: 600;
}

.page-about-tech-detail p {
  margin: 0;
  color: rgba(245, 247, 250, 0.74);
  font-size: 15px;
  line-height: 1.75;
}

.page-about-team-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-about-team-list li {
  position: relative;
  padding: 11px 0 11px 24px;
  color: rgba(245, 247, 250, 0.78);
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid rgba(245, 247, 250, 0.06);
}

.page-about-team-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 19px;
  width: 9px;
  height: 9px;
  background: var(--c7-gold);
  transform: rotate(45deg);
}

.page-about-honors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about-honor-card {
  position: relative;
  background: rgba(30, 42, 74, 0.82);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 16px;
  padding: 26px 22px;
  text-align: center;
  transition: border-color var(--c7-transition), transform var(--c7-transition), box-shadow var(--c7-transition);
}

.page-about-honor-card:hover,
.page-about-honor-card:focus-within {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(10, 25, 47, 0.4);
}

.page-about-honor-index {
  display: inline-block;
  font-family: var(--c7-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c7-gold);
  background: rgba(212, 175, 55, 0.1);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.page-about-honor-card h3 {
  margin: 0 0 8px;
  color: var(--c7-text-light);
  font-size: 1rem;
  font-weight: 600;
}

.page-about-honor-card p {
  margin: 0;
  color: rgba(245, 247, 250, 0.68);
  font-size: 14px;
  line-height: 1.7;
}

.page-about-related {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 30px;
  padding: 24px;
  background: rgba(10, 25, 47, 0.4);
  border: 1px solid rgba(245, 247, 250, 0.07);
  border-radius: 16px;
}

.page-about-related-title {
  margin: 0 0 8px;
  color: var(--c7-text-light);
  font-size: 1.1rem;
  font-weight: 600;
}

.page-about-related-desc {
  margin: 0;
  color: rgba(245, 247, 250, 0.68);
  font-size: 14px;
  line-height: 1.75;
}

.page-about-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-about-related-links a {
  display: inline-block;
  padding: 10px 18px;
  color: var(--c7-gold-light);
  font-size: 14px;
  text-decoration: none;
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 999px;
  transition: background var(--c7-transition), color var(--c7-transition), transform var(--c7-transition);
}

.page-about-related-links a:hover,
.page-about-related-links a:focus-visible {
  background: rgba(212, 175, 55, 0.12);
  color: var(--c7-text-light);
  transform: translateY(-2px);
  outline: none;
}

@media (max-width: 767px) {
  .page-about-hero {
    padding: 36px 0 42px;
  }

  .page-about-breadcrumb {
    margin-bottom: 24px;
    font-size: 12px;
  }

  .page-about-hero h1 {
    font-size: clamp(1.5rem, 6vw, 2.1rem);
  }

  .page-about-archive {
    padding: 28px 0 44px;
  }

  .page-about-rail {
    margin-bottom: 36px;
    overflow-x: auto;
    scrollbar-width: none;
  }

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

  .page-about-rail-list {
    display: flex;
    gap: 10px;
  }

  .page-about-rail-list::before,
  .page-about-rail-list li::before,
  .page-about-rail-list a::before {
    display: none;
  }

  .page-about-rail-list li {
    flex: 0 0 auto;
  }

  .page-about-rail-list a {
    padding: 10px 16px;
    background: rgba(30, 42, 74, 0.72);
    border: 1px solid rgba(212, 175, 55, 0.14);
    border-radius: 999px;
    font-size: 12px;
    white-space: nowrap;
  }

  .page-about-rail-list a:hover,
  .page-about-rail-list a:focus-visible {
    padding-left: 16px;
  }

  .page-about-block {
    padding: 26px 20px;
  }
}

@media (min-width: 992px) {
  .page-about-hero {
    padding: 64px 0 72px;
  }

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

  .page-about-archive-grid {
    gap: 56px;
  }

  .page-about-block {
    padding: 44px 40px;
    margin-bottom: 48px;
  }

  .page-about-story-grid {
    align-items: center;
  }

  .page-about-figure-story {
    margin-top: 4px;
  }

  .page-about-tech-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-about-honors-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about-related {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 28px 30px;
  }
}