.page-about {
  --about-deep: #0B0C14;
  --about-purple: #1A1035;
  --about-red: #3D0A1E;
  --about-cream: #F5F0E8;
  --about-accent: #00E5FF;
  --about-neon: #39FF14;
  --about-orange: #FF8C00;
  --about-pink: #FF4081;
  --about-lime: #CCFF00;
  --about-gold: #FFD700;
  --about-tomato: #FF6347;
  display: block;
  background-color: var(--about-deep);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.page-about .about-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  padding: 80px 20px 64px;
  background: linear-gradient(120deg, var(--about-purple) 0%, var(--about-deep) 70%);
  overflow: hidden;
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 28px;
}

.page-about .breadcrumb a {
  color: var(--about-accent);
  text-decoration: none;
}

.page-about .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--about-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-about h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 820px;
  transform: skewX(-3deg);
}

.page-about .about-hero__lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(255, 255, 255, 0.78);
  max-width: 720px;
  margin: 0;
  border-left: 4px solid var(--about-neon);
  padding-left: 18px;
}

.page-about .about-section {
  padding: clamp(48px, 7vw, 88px) 20px;
  position: relative;
}

.page-about .about-section h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  transform: skewX(-4deg);
}

.page-about .about-section--position {
  background: linear-gradient(120deg, var(--about-purple) 0%, var(--about-deep) 68%);
}

.page-about .about-position {
  display: grid;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .about-position__copy p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 16px;
  max-width: 620px;
}

.page-about .about-position__list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 10px;
  max-width: 560px;
}

.page-about .about-position__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
}

.page-about .about-position__ico {
  color: var(--about-lime);
  font-family: var(--font-mono);
}

.page-about .about-position__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(11, 12, 20, 0.55);
  padding: 40px 24px;
  min-height: 300px;
}

.page-about .about-position__icon svg {
  width: 100%;
  max-width: 220px;
  height: auto;
}

.page-about .about-position__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  line-height: 1.8;
  text-align: center;
  color: var(--about-accent);
}

.page-about .about-section--stats {
  background: linear-gradient(135deg, var(--about-red) 0%, #1A0A12 100%);
}

.page-about .about-stats {
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .about-section__head {
  max-width: 680px;
  margin-bottom: 32px;
}

.page-about .about-section__head p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
}

.page-about .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .stat-card {
  position: relative;
  padding: 32px 28px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-about .stat-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  opacity: 0.45;
}

.page-about .stat-card--total {
  background: linear-gradient(140deg, #00E5FF 0%, #00A0C0 100%);
  color: #0B0C14;
}

.page-about .stat-card--cat {
  background: linear-gradient(140deg, #FF8C00 0%, #FF5600 100%);
  color: #0B0C14;
}

.page-about .stat-card--sub {
  background: linear-gradient(140deg, #FF4081 0%, #FF1460 100%);
  color: #FFFFFF;
}

.page-about .stat-card--lang {
  background: linear-gradient(140deg, #39FF14 0%, #00B800 100%);
  color: #0B0C14;
}

.page-about .stat-card__num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 900;
  font-style: italic;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.page-about .stat-card__label {
  font-size: 18px;
  font-weight: 700;
  margin-top: 14px;
}

.page-about .stat-card__meta {
  font-size: 12px;
  font-family: var(--font-mono);
  margin-top: 4px;
  opacity: 0.8;
}

.page-about .stat-card__extra {
  font-size: 12px;
  font-family: var(--font-mono);
  margin-top: 8px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.25s ease, max-height 0.25s ease;
}

@media (hover: hover) {
  .page-about .stat-card:hover .stat-card__extra {
    opacity: 1;
    max-height: 48px;
  }
}

.page-about .about-section--taxonomy {
  background: linear-gradient(145deg, #0B0C14 0%, var(--about-purple) 100%);
}

.page-about .about-taxonomy {
  display: grid;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .taxonomy-ring {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.page-about .taxonomy-ring__chart {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    #FF6347 0deg 18deg,
    #FF8C00 18deg 36deg,
    #FFD700 36deg 54deg,
    #39FF14 54deg 72deg,
    #00E5FF 72deg 90deg,
    #FF4081 90deg 108deg,
    #CCFF00 108deg 126deg,
    #FF6347 126deg 144deg,
    #FF8C00 144deg 162deg,
    #FFD700 162deg 180deg,
    #39FF14 180deg 198deg,
    #00E5FF 198deg 216deg,
    #FF4081 216deg 234deg,
    #CCFF00 234deg 252deg,
    #FF6347 252deg 270deg,
    #FF8C00 270deg 288deg,
    #FFD700 288deg 306deg,
    #39FF14 306deg 324deg,
    #00E5FF 324deg 342deg,
    #FF4081 342deg 360deg
  );
}

.page-about .taxonomy-ring img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  opacity: 0.5;
  mix-blend-mode: screen;
}

.page-about .taxonomy-ring__core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  border-radius: 50%;
  background: var(--about-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  color: var(--white);
  text-align: center;
  line-height: 1.1;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
  z-index: 2;
}

.page-about .taxonomy-ring__core small {
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--about-neon);
  letter-spacing: 0.12em;
}

.page-about .taxonomy-copy p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
}

.page-about .taxonomy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-about .taxonomy-tag {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-about .taxonomy-tag--hot {
  border-color: var(--about-tomato);
  color: var(--about-tomato);
}

.page-about .taxonomy-tag--warm {
  border-color: var(--about-gold);
  color: var(--about-gold);
}

.page-about .taxonomy-tag--cool {
  border-color: var(--about-accent);
  color: var(--about-accent);
}

.page-about .about-section--update {
  background: var(--about-cream);
  color: var(--about-deep);
}

.page-about .about-section--update .kicker {
  color: var(--about-pink);
}

.page-about .about-section--update h2 {
  color: var(--about-deep);
}

.page-about .about-section--update p {
  color: rgba(26, 26, 26, 0.78);
}

.page-about .about-update {
  display: grid;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .about-update__lead p:last-child {
  max-width: 520px;
}

.page-about .about-update__extra {
  margin-top: 20px;
  border-left: 3px solid var(--about-neon);
  padding-left: 14px;
  max-width: 560px;
  font-size: 14px;
}

.page-about .update-list {
  border-top: 2px solid var(--about-deep);
}

.page-about .update-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 22px 4px;
  border-bottom: 1px solid rgba(26, 26, 26, 0.25);
}

.page-about .update-item__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 2px;
  color: var(--about-deep);
}

.page-about .update-item__badge--freq {
  background: var(--about-orange);
}

.page-about .update-item__badge--size {
  background: var(--about-accent);
}

.page-about .update-item__badge--days {
  background: var(--about-pink);
  color: #FFFFFF;
}

.page-about .update-item__badge--current {
  background: var(--about-lime);
}

.page-about .update-item__text {
  flex: 1 1 200px;
  font-size: 16px;
  font-weight: 600;
  color: var(--about-deep) !important;
  margin: 0;
}

.page-about .update-item__aside {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(26, 26, 26, 0.5);
  letter-spacing: 0.08em;
}

.page-about .about-section--versions {
  background: linear-gradient(150deg, #1A0A12 0%, var(--about-red) 100%);
  overflow: hidden;
}

.page-about .about-version-bg {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  overflow: hidden;
  pointer-events: none;
}

.page-about .about-version-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-version {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .about-version__head {
  max-width: 680px;
  margin-bottom: 48px;
}

.page-about .about-version__head p {
  color: rgba(255, 255, 255, 0.75);
}

.page-about .version-timeline {
  position: relative;
  display: grid;
  gap: 32px;
  padding-left: 30px;
  max-width: 760px;
  margin: 0;
}

.page-about .version-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--about-accent), var(--about-neon));
}

.page-about .version-node {
  position: relative;
}

.page-about .version-node::before {
  content: "";
  position: absolute;
  top: 4px;
  left: -30px;
  width: 14px;
  height: 14px;
  background: var(--about-deep);
  border: 3px solid var(--about-accent);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
  transform: rotate(45deg);
}

.page-about .version-node--current::before {
  border-color: var(--about-neon);
  box-shadow: 0 0 14px rgba(57, 255, 20, 0.7);
  background: var(--about-neon);
}

.page-about .version-node__code {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  font-style: italic;
  color: var(--white);
  background: rgba(11, 12, 20, 0.65);
  padding: 6px 14px;
  border-left: 4px solid var(--about-accent);
  transform: skewX(-6deg);
  margin-bottom: 12px;
}

.page-about .version-node--current .version-node__code {
  border-left-color: var(--about-neon);
  color: var(--about-neon);
}

.page-about .version-node p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  max-width: 480px;
}

.page-about .about-version__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.page-about .btn {
  display: inline-block;
  background: var(--about-accent);
  color: var(--about-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 22px;
  text-decoration: none;
  transform: skewX(-4deg);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-about .btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.page-about .btn:hover {
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.4);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    min-height: 480px;
    padding: 100px 40px 80px;
  }

  .page-about .about-position {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-about .about-position__visual {
    min-height: 380px;
  }

  .page-about .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-taxonomy {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-about .about-update {
    grid-template-columns: 0.6fr 1.4fr;
    align-items: start;
  }

  .page-about .version-timeline {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    padding-left: 0;
    padding-top: 32px;
    max-width: 900px;
    margin: 0 auto;
  }

  .page-about .version-timeline::before {
    top: 0;
    left: 0;
    height: 2px;
    width: 100%;
    background: linear-gradient(to right, var(--about-accent), var(--about-neon));
  }

  .page-about .version-node::before {
    top: -6px;
    left: 0;
    transform: rotate(45deg);
  }
}