.page-about {
  --about-blue-deep: #1b3455;
  --about-grid-line: rgba(126, 127, 107, 0.35);
  --about-border-soft: rgba(126, 127, 107, 0.28);
  background: var(--color-rice-white);
  scroll-behavior: smooth;
}
.page-about .scroll-progress {
  height: 4px;
}
.page-about .scroll-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--color-terracotta);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(31, 31, 31, 0.24);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s var(--transition), transform 0.3s var(--transition), visibility 0.3s;
}
.page-about .scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 82% 18%, rgba(232, 104, 58, 0.28), transparent 34%),
    radial-gradient(circle at 12% 88%, rgba(107, 143, 113, 0.22), transparent 40%),
    linear-gradient(135deg, var(--about-blue-deep) 0%, var(--color-plateau-blue) 58%, #24497c 100%);
  padding: 104px 0 56px;
}
.page-about .about-hero-glyph {
  position: absolute;
  right: -0.08em;
  bottom: -0.22em;
  font-size: 220px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.06);
  font-family: var(--font-heading);
  letter-spacing: -0.08em;
  pointer-events: none;
}
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}
.page-about .breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--transition);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus {
  color: #fff;
  text-decoration: underline;
}
.page-about .about-hero-grid {
  display: grid;
  gap: 32px;
  align-items: end;
}
.page-about .about-hero-copy {
  position: relative;
  z-index: 1;
}
.page-about .about-hero-title {
  margin: 0 0 16px;
  max-width: 18ch;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  font-family: var(--font-heading);
}
.page-about .about-hero-lead {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}
.page-about .about-hero-anchor-nav {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-hero-anchor-nav::-webkit-scrollbar {
  display: none;
}
.page-about .about-hero-anchor-link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  transition: background 0.25s var(--transition), border-color 0.25s var(--transition), color 0.25s var(--transition);
}
.page-about .about-hero-anchor-link:hover,
.page-about .about-hero-anchor-link:focus {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.page-about .about-hero-note {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.14);
}
.page-about .about-hero-note-item {
  padding: 14px 16px;
  background: rgba(27, 52, 85, 0.65);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}
.page-about .about-hero-note-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  font-family: var(--font-heading);
}
.page-about .section-title {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  font-family: var(--font-heading);
}
.page-about .section-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-rock-gray);
}
.page-about .coordinate-tag {
  display: inline-block;
  margin-bottom: 14px;
}
.page-about .about-story {
  padding: 72px 0;
  background: var(--color-rice-white);
}
.page-about .about-story-inner {
  display: grid;
  gap: 32px;
}
.page-about .about-story-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}
.page-about .about-story-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink);
}
.page-about .about-story-text:last-of-type {
  margin-bottom: 0;
}
.page-about .about-story-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.page-about .about-stat {
  padding: 16px 14px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  background: var(--color-snow-white);
}
.page-about .about-stat-num {
  display: block;
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-plateau-blue);
  font-family: var(--font-heading);
}
.page-about .about-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-rock-gray);
}
.page-about .about-milestones {
  padding: 72px 0;
  background: var(--color-snow-white);
}
.page-about .about-milestones-head {
  max-width: 640px;
  margin-bottom: 12px;
}
.page-about .about-tl {
  margin-top: 12px;
}
.page-about .about-tl-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: -20px;
}
.page-about .about-tl-gridline {
  stroke: var(--color-light-gray);
  stroke-width: 1;
  stroke-dasharray: 2 6;
}
.page-about .about-tl-path {
  fill: none;
  stroke: var(--color-plateau-blue);
  stroke-width: 3;
}
.page-about .about-tl-node {
  fill: var(--color-terracotta);
  stroke: #fff;
  stroke-width: 3;
}
.page-about .about-tl-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
}
.page-about .about-tl-item {
  position: relative;
  padding: 20px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  background: var(--color-snow-white);
  box-shadow: 0 6px 16px rgba(31, 31, 31, 0.04);
}
.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--color-terracotta), var(--color-plateau-blue));
}
.page-about .about-tl-code {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-rock-gray);
}
.page-about .about-tl-year {
  display: block;
  margin-bottom: 8px;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-plateau-blue);
  font-family: var(--font-heading);
}
.page-about .about-tl-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-ink);
}
.page-about .about-tl-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-rock-gray);
}
.page-about .about-local {
  padding: 72px 0;
  background: linear-gradient(180deg, var(--color-rice-white), #efeae0);
}
.page-about .about-local-head {
  max-width: 640px;
}
.page-about .about-local-media {
  margin: 28px 0 24px;
}
.page-about .about-local-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.page-about .about-cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.page-about .about-cat-tab {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-rock-gray);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  transition: background 0.25s var(--transition), color 0.25s var(--transition), border-color 0.25s var(--transition);
}
.page-about .about-cat-tab:hover,
.page-about .about-cat-tab:focus {
  background: var(--color-plateau-blue);
  border-color: var(--color-plateau-blue);
  color: #fff;
}
.page-about .about-cat-panel {
  display: none;
  padding: 24px;
  border-top: 4px solid var(--color-terracotta);
  border-radius: var(--radius-lg);
  background: var(--color-snow-white);
  box-shadow: var(--shadow-soft);
}
.page-about .about-cat-panel:target {
  display: block;
}
.page-about .about-cat-stage:has(.about-cat-panel:target) .about-cat-panel-first {
  display: none;
}
.page-about .about-cat-panel .pill {
  display: inline-block;
  margin-bottom: 10px;
}
.page-about .about-cat-title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-ink);
}
.page-about .about-cat-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
}
.page-about .about-team {
  padding: 72px 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 10%, rgba(232, 104, 58, 0.22), transparent 28%),
    linear-gradient(145deg, var(--about-blue-deep) 0%, var(--color-plateau-blue) 70%, #24497c 100%);
}
.page-about .about-team-head {
  max-width: 640px;
}
.page-about .about-team .section-title {
  color: #fff;
}
.page-about .about-team .section-desc {
  color: rgba(255, 255, 255, 0.78);
}
.page-about .about-team-grid {
  display: grid;
  gap: 28px;
  margin-top: 36px;
}
.page-about .about-team-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28);
}
.page-about .about-team-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}
.page-about .about-team-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-about .about-team-item {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
}
.page-about .about-team-item strong {
  margin-right: 8px;
  font-weight: 800;
  color: #fff;
}
.page-about .about-cred {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.page-about .about-cred-badge {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
}
.page-about .about-cred-year {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
}
.page-about .about-cred-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}
.page-about .about-closing {
  padding: 72px 0;
  background: var(--color-rice-white);
}
.page-about .about-closing-inner {
  position: relative;
  overflow: hidden;
  padding: 32px 24px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  background: var(--color-snow-white);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.page-about .about-closing-title {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 900;
  color: var(--color-ink);
  font-family: var(--font-heading);
}
.page-about .about-closing-desc {
  max-width: 60ch;
  margin: 0 auto 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-rock-gray);
}
.page-about .about-closing-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 140px 0 72px;
  }
  .page-about .about-hero-glyph {
    font-size: 340px;
  }
  .page-about .about-hero-title {
    font-size: 48px;
  }
  .page-about .about-hero-lead {
    font-size: 18px;
  }
  .page-about .about-story-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-cred {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-closing-inner {
    padding: 48px;
  }
  .page-about .about-closing-title {
    font-size: 30px;
  }
}
@media (min-width: 1024px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
  }
  .page-about .about-hero-title {
    font-size: 56px;
  }
  .page-about .section-title {
    font-size: 38px;
  }
  .page-about .about-story-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr);
    gap: 56px;
    align-items: center;
  }
  .page-about .about-story-media {
    order: 1;
    margin-top: 56px;
  }
  .page-about .about-story-body {
    order: 2;
  }
  .page-about .about-tl-list {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
    gap: 52px;
    align-items: center;
  }
}
@media (min-width: 1200px) {
  .page-about .about-hero-title {
    font-size: 60px;
  }
}