.page-about {
  --about-bg: #0A0E17;
  --about-card: rgba(19, 27, 42, 0.92);
  --about-gold: #FFD700;
  --about-blue: #00E5FF;
  --about-red: #FF3B30;
  --about-text: #FFFFFF;
  --about-dim: #A0AABF;
  --about-border: rgba(0, 229, 255, 0.18);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(ellipse 80% 45% at 88% 6%, rgba(255, 59, 48, 0.14), transparent 60%),
    radial-gradient(ellipse 70% 50% at 10% 30%, rgba(0, 229, 255, 0.08), transparent 55%),
    var(--about-bg);
  color: var(--about-text);
  line-height: 1.72;
}

.page-about .breadcrumb {
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--about-dim);
}

.page-about .breadcrumb a {
  color: var(--about-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: var(--about-gold);
}

.page-about .breadcrumb-sep {
  margin: 0 8px;
  opacity: 0.5;
}

.page-about .about-hero {
  position: relative;
  padding: 44px 0 64px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.06), rgba(255, 59, 48, 0.16));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #FFD700, #00E5FF);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-about .about-hero-copy .mono-label {
  display: inline-block;
  padding: 4px 10px;
  border-left: 2px solid var(--about-gold);
  background: rgba(255, 215, 0, 0.08);
  color: var(--about-gold);
}

.page-about .about-hero-copy h1 {
  margin: 18px 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--about-text);
  text-shadow: 0 2px 24px rgba(255, 215, 0, 0.08);
}

.page-about .about-hero-lead {
  margin: 0 0 28px;
  font-size: 17px;
  color: var(--about-dim);
  max-width: 540px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-tags li {
  padding: 4px 10px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 3px;
  background: rgba(0, 229, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--about-blue);
}

.page-about .about-hero-side {
  display: grid;
  gap: 18px;
}

.page-about .about-hero-figure {
  margin: 0;
  padding: 0;
  border-radius: 8px;
  border: 1px solid rgba(255, 215, 0, 0.25);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.36), 0 0 28px rgba(255, 215, 0, 0.12);
  transform: skewX(-1.4deg);
}

.page-about .about-hero-figure img,
.page-about .timeline-figure img,
.page-about .standard-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-hero-panel {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--about-border);
  background: var(--about-border);
}

.page-about .about-hero-panel > div {
  padding: 14px 16px;
  background: rgba(19, 27, 42, 0.94);
}

.page-about .about-hero-panel dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--about-gold);
}

.page-about .about-hero-panel dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.4;
}

.page-about .about-origin {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid rgba(255, 215, 0, 0.12);
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
  background: linear-gradient(180deg, rgba(19, 27, 42, 0.35), rgba(10, 14, 23, 0.6));
}

.page-about .origin-grid {
  display: grid;
  gap: 32px;
}

.page-about .origin-symbol .mono-label {
  color: var(--about-dim);
}

.page-about .origin-character {
  display: block;
  margin-top: 10px;
  font-family: var(--font-heading);
  font-size: 116px;
  font-weight: 900;
  line-height: 1;
  color: var(--about-gold);
  opacity: 0.18;
  user-select: none;
}

.page-about .origin-body h2,
.page-about .timeline-header h2,
.page-about .standard-main h2,
.page-about .about-local h2,
.page-about .next-header h2 {
  margin: 10px 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.01em;
  position: relative;
  padding-bottom: 14px;
}

.page-about .origin-body h2::after,
.page-about .timeline-header h2::after,
.page-about .standard-main h2::after,
.page-about .about-local h2::after,
.page-about .next-header h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 68px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--about-gold), var(--about-blue));
}

.page-about .origin-intro {
  margin: 0 0 16px;
  font-size: 17px;
  color: var(--about-text);
}

.page-about .origin-body > p:not(.origin-intro) {
  margin-bottom: 16px;
  color: var(--about-dim);
}

.page-about .origin-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .origin-list li {
  position: relative;
  padding-left: 22px;
  color: var(--about-text);
}

.page-about .origin-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 2px;
  background: var(--about-gold);
}

.page-about .about-timeline {
  padding-top: 72px;
  padding-bottom: 72px;
  background: linear-gradient(180deg, rgba(19, 27, 42, 0.2), transparent 30%);
}

.page-about .timeline-header {
  max-width: 640px;
  margin-bottom: 44px;
}

.page-about .timeline-header > p {
  color: var(--about-dim);
}

.page-about .timeline {
  position: relative;
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 19px;
  width: 2px;
  transform: translateX(-1px);
  background: linear-gradient(to bottom, var(--about-gold) 0%, var(--about-blue) 55%, rgba(255, 215, 0, 0.05) 100%);
}

.page-about .timeline-item {
  position: relative;
  padding: 0 0 40px 56px;
}

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

.page-about .timeline-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--about-gold);
  background: var(--about-bg);
  color: var(--about-gold);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 34px;
  text-align: center;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(10, 14, 23, 0.92), 0 0 14px rgba(255, 215, 0, 0.24);
}

.page-about .timeline-item-current .timeline-node {
  background: var(--about-gold);
  color: var(--about-bg);
  box-shadow: 0 0 0 5px rgba(255, 215, 0, 0.18), 0 0 22px rgba(255, 215, 0, 0.5);
}

.page-about .timeline-card {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: linear-gradient(140deg, rgba(19, 27, 42, 0.92), rgba(10, 14, 23, 0.96));
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .timeline-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 215, 0, 0.35);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
}

.page-about .timeline-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 900;
  color: var(--about-gold);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 15px;
  color: var(--about-dim);
}

.page-about .timeline-item-current .timeline-card {
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.32), 0 0 26px rgba(255, 215, 0, 0.14);
}

.page-about .timeline-figure {
  margin: 18px 0 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.16);
}

.page-about .timeline-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 10px;
  border: 1px solid rgba(255, 59, 48, 0.5);
  border-radius: 3px;
  background: rgba(255, 59, 48, 0.14);
  color: var(--about-red);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .about-standard {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid rgba(0, 229, 255, 0.08);
  border-bottom: 1px solid rgba(255, 215, 0, 0.08);
  background: linear-gradient(180deg, transparent, rgba(19, 27, 42, 0.4));
}

.page-about .standard-layout {
  display: grid;
  gap: 44px;
}

.page-about .standard-main > .mono-label {
  color: var(--about-dim);
}

.page-about .standard-lead {
  margin: 0 0 28px;
  font-size: 16px;
  color: var(--about-dim);
  max-width: 560px;
}

.page-about .standard-grid {
  display: grid;
  gap: 16px;
}

.page-about .standard-card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--about-border);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(19, 27, 42, 0.9), rgba(10, 14, 23, 0.94));
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .standard-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.18) 50%);
}

.page-about .standard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.32), 0 0 18px rgba(0, 229, 255, 0.1);
}

.page-about .standard-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 900;
  color: var(--about-gold);
}

.page-about .standard-card p {
  margin: 0;
  font-size: 15px;
  color: var(--about-dim);
}

.page-about .standard-aside {
  display: grid;
  gap: 20px;
}

.page-about .standard-figure {
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 215, 0, 0.22);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3), 0 0 24px rgba(255, 215, 0, 0.1);
}

.page-about .standard-quote {
  margin: 0;
  padding: 18px 20px;
  border-left: 3px solid var(--about-gold);
  background: rgba(255, 215, 0, 0.06);
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.6;
  color: var(--about-text);
}

.page-about .standard-quote p {
  margin: 0;
}

.page-about .about-local {
  padding-top: 72px;
  padding-bottom: 72px;
  background: linear-gradient(180deg, rgba(19, 27, 42, 0.3), transparent);
}

.page-about .about-local p {
  margin-bottom: 16px;
  color: var(--about-dim);
}

.page-about .about-local a {
  color: var(--about-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-local a:hover {
  color: var(--about-gold);
  border-color: rgba(255, 215, 0, 0.3);
}

.page-about .local-note {
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 215, 0, 0.22);
  border-radius: 6px;
  background: rgba(255, 215, 0, 0.05);
}

.page-about .local-note p {
  margin: 0;
  color: var(--about-text);
}

.page-about .about-next {
  padding-top: 72px;
  padding-bottom: 80px;
}

.page-about .next-header {
  margin-bottom: 36px;
}

.page-about .next-header .mono-label {
  color: var(--about-dim);
}

.page-about .next-card {
  display: block;
  padding: 26px 24px;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: linear-gradient(140deg, rgba(19, 27, 42, 0.9), rgba(10, 14, 23, 0.96));
  text-decoration: none;
  color: var(--about-text);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .next-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3), 0 0 24px rgba(255, 215, 0, 0.16);
}

.page-about .next-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 900;
  color: var(--about-gold);
}

.page-about .next-card p {
  margin: 0;
  font-size: 15px;
  color: var(--about-dim);
}

@media (min-width: 800px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-hero-actions .btn {
    min-width: 180px;
    justify-content: center;
  }

  .page-about .origin-grid {
    grid-template-columns: 200px 1fr;
    gap: 56px;
  }

  .page-about .origin-character {
    font-size: 150px;
  }
}

@media (min-width: 961px) {
  .page-about .timeline {
    padding-top: 8px;
  }

  .page-about .timeline::before {
    left: 50%;
  }

  .page-about .timeline-item {
    width: calc(50% - 52px);
    padding: 0 0 48px;
  }

  .page-about .timeline-item:nth-child(odd) {
    margin-right: auto;
  }

  .page-about .timeline-item:nth-child(even) {
    margin-left: calc(50% + 52px);
  }

  .page-about .timeline-node {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .standard-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-about .standard-aside {
    position: sticky;
    top: 112px;
  }
}