.page-about {
  --about-track-w: 28px;
  --about-line: rgba(10, 108, 255, 0.4);
  --about-grid-line: rgba(255, 255, 255, 0.045);
  --about-cyan-glow: rgba(0, 229, 255, 0.22);
  --about-orange-glow: rgba(255, 107, 0, 0.16);
  --about-map-scale: linear-gradient(linear, 0 0, 100% 0, from(rgba(255,255,255,.06)), to(transparent));
}

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

.page-about figure {
  margin: 0;
}

.page-about .breadcrumb {
  margin-top: var(--sp-5);
}

.page-about .about-hero {
  position: relative;
  padding: var(--sp-6) 0 var(--sp-7);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 92%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 4px;
  background: var(--gradient-scan);
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 1;
  opacity: 0.9;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-6);
  align-items: center;
}

.page-about .about-hero__copy {
  max-width: 640px;
}

.page-about .about-hero__overline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--sp-4);
}

.page-about .about-hero__overline::before {
  content: "";
  width: 30px;
  height: 3px;
  background: var(--gradient-brand);
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  flex: none;
}

.page-about .about-hero__title {
  margin: 0 0 var(--sp-4);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--color-text);
}

.page-about .about-hero__lead {
  margin: 0 0 var(--sp-5);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-muted);
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-about .about-hero__plate {
  position: relative;
  height: 250px;
  min-height: 250px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background:
    radial-gradient(circle at 18% 28%, var(--about-cyan-glow), transparent 48%),
    radial-gradient(circle at 82% 72%, var(--about-orange-glow), transparent 50%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  overflow: hidden;
  transform: rotate(0.4deg);
}

.page-about .about-hero__plate::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-hero__plate::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(10, 108, 255, 0.5), rgba(0, 229, 255, 0.5), transparent);
  transform: rotate(-6deg);
}

.page-about .about-hero__plate-card {
  position: absolute;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(30, 32, 39, 0.9);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.38),
    0 2px 0 rgba(255, 255, 255, 0.04) inset;
}

.page-about .about-hero__plate-card span {
  display: block;
  font-family: var(--font-code);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.page-about .about-hero__plate-card small {
  display: block;
  margin-top: 5px;
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.page-about .about-hero__plate-card--blue {
  top: 10%;
  left: 8%;
  transform: rotate(-3deg);
}

.page-about .about-hero__plate-card--blue span {
  color: var(--color-primary);
}

.page-about .about-hero__plate-card--orange {
  top: 38%;
  right: 5%;
  transform: rotate(2.4deg);
}

.page-about .about-hero__plate-card--orange span {
  color: var(--color-accent);
}

.page-about .about-hero__plate-card--cyan {
  bottom: 8%;
  left: 30%;
  transform: rotate(-1.6deg);
}

.page-about .about-hero__plate-card--cyan span {
  color: var(--color-cyan);
}

.page-about .about-route-section {
  position: relative;
  z-index: 2;
  margin-top: -10px;
  padding-bottom: var(--sp-4);
}

.page-about .about-route {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(30, 32, 39, 0.85);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

.page-about .about-route__item {
  flex: 1 1 100%;
  min-width: 0;
}

.page-about .about-route__item + .about-route__item {
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.page-about .about-route__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-route__link:hover,
.page-about .about-route__link:focus-visible {
  color: var(--color-text);
  background: rgba(10, 108, 255, 0.1);
  outline: none;
}

.page-about .about-route__index {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--color-cyan);
  letter-spacing: 0.08em;
  min-width: 2em;
}

.page-about .about-route__name {
  font-weight: 500;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-7);
}

.page-about .about-stats__item {
  position: relative;
  padding: var(--sp-5) var(--sp-4);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background:
    linear-gradient(160deg, rgba(10, 108, 255, 0.09), transparent 62%),
    var(--color-surface);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.page-about .about-stats__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-brand);
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-code);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-about .about-stats__cap {
  display: block;
  margin-top: 6px;
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.06em;
}

.page-about .about-origin__grid {
  display: grid;
  gap: var(--sp-7);
  align-items: center;
}

.page-about .about-origin__copy {
  max-width: 640px;
}

.page-about .about-origin__title,
.page-about .about-products__title {
  margin: var(--sp-2) 0 var(--sp-4);
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 900;
  line-height: 1.24;
  color: var(--color-text);
}

.page-about .about-origin__lead {
  margin: 0 0 var(--sp-4);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.75;
  color: var(--color-text);
}

.page-about .about-origin__body {
  margin: 0 0 var(--sp-3);
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-muted);
}

.page-about .about-origin__figure {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.32);
  transform: rotate(-0.8deg);
}

.page-about .about-origin__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 68%, rgba(11, 12, 16, 0.72) 100%);
  pointer-events: none;
}

.page-about .about-origin__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-about .about-origin__figcaption {
  position: absolute;
  left: var(--sp-4);
  right: var(--sp-4);
  bottom: var(--sp-3);
  z-index: 2;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

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

.page-about .about-upgrade::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background:
    radial-gradient(circle at 70% 16%, rgba(255, 107, 0, 0.1), transparent 52%),
    radial-gradient(circle at 30% 78%, rgba(10, 108, 255, 0.08), transparent 50%);
  pointer-events: none;
}

.page-about .about-section-heading {
  margin-bottom: var(--sp-6);
}

.page-about .about-section-heading__desc {
  margin: var(--sp-3) 0 0;
  max-width: 46em;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-muted);
}

.page-about .about-upgrade__panel {
  display: grid;
  gap: var(--sp-5);
}

.page-about .about-upgrade__goal {
  position: relative;
  padding: var(--sp-6) var(--sp-5);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(140deg, rgba(10, 108, 255, 0.12), transparent 58%),
    linear-gradient(320deg, rgba(255, 107, 0, 0.1), transparent 62%),
    var(--color-surface);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.page-about .about-upgrade__goal::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -42px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 14px rgba(0, 229, 255, 0.05),
    0 0 0 28px rgba(0, 229, 255, 0.025);
  pointer-events: none;
}

.page-about .about-upgrade__goal-code {
  display: inline-block;
  margin-bottom: var(--sp-3);
  padding: 4px 10px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 4px;
  background: rgba(0, 229, 255, 0.08);
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-cyan);
}

.page-about .about-upgrade__goal-title {
  margin: 0 0 var(--sp-3);
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .about-upgrade__goal-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-muted);
}

.page-about .upgrade-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 72px;
  margin-top: var(--sp-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0;
}

.page-about .upgrade-chart__bar {
  width: 18%;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #0A6CFF, #00E5FF);
  opacity: 0.78;
}

.page-about .upgrade-chart__bar--1 {
  height: 36%;
  background: linear-gradient(180deg, #0A6CFF, #00E5FF);
}

.page-about .upgrade-chart__bar--2 {
  height: 58%;
  background: linear-gradient(180deg, #0A6CFF, #00E5FF);
}

.page-about .upgrade-chart__bar--3 {
  height: 82%;
  background: linear-gradient(180deg, #FF6B00, #FFB300);
  opacity: 0.9;
}

.page-about .upgrade-chart__bar--4 {
  height: 64%;
  background: linear-gradient(180deg, #FF6B00, #FFB300);
  opacity: 0.78;
}

.page-about .about-upgrade__features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-3);
}

.page-about .about-upgrade__feature {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(30, 32, 39, 0.75);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-upgrade__feature:hover,
.page-about .about-upgrade__feature:focus-within {
  border-color: rgba(10, 108, 255, 0.4);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
  transform: translateX(4px);
}

.page-about .about-upgrade__feature-index {
  flex: none;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.8;
  min-width: 26px;
  padding: 2px 0;
  text-align: center;
  border-radius: 5px;
  color: var(--color-primary);
  background: rgba(10, 108, 255, 0.16);
  border: 1px solid rgba(10, 108, 255, 0.24);
}

.page-about .about-upgrade__feature-copy h3 {
  margin: 0 0 6px;
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.page-about .about-upgrade__feature-copy p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-muted);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-about .timeline__route {
  display: block;
  width: 100%;
  height: 44px;
  margin: var(--sp-4) 0 var(--sp-4);
}

.page-about .timeline__map-frame {
  position: relative;
  margin-bottom: var(--sp-7);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.35);
}

.page-about .timeline__map-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 12, 16, 0.2), transparent 40%, rgba(11, 12, 16, 0.5));
  pointer-events: none;
}

.page-about .timeline__map-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-about .timeline__map-label {
  position: absolute;
  left: var(--sp-4);
  bottom: var(--sp-4);
  z-index: 1;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(11, 12, 16, 0.55);
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.9);
}

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

.page-about .timeline__track::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #0A6CFF, #00E5FF 45%, #FF6B00 95%);
  opacity: 0.65;
  border-radius: 2px;
}

.page-about .timeline__node {
  position: relative;
  padding-left: 44px;
  margin-bottom: var(--sp-5);
}

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

.page-about .timeline__dot {
  position: absolute;
  left: 13px;
  top: 34px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-cyan);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.5), 0 0 20px rgba(0, 229, 255, 0.4);
  transform: translateX(-50%);
  z-index: 2;
}

.page-about .timeline__node:nth-child(6) .timeline__dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(255, 107, 0, 0.5), 0 0 20px rgba(255, 107, 0, 0.35);
}

.page-about .about-paper {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 60%),
    var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-sm);
  box-shadow:
    5px 5px 0 rgba(10, 108, 255, 0.08),
    10px 10px 0 rgba(255, 255, 255, 0.018);
}

.page-about .timeline__card {
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-about .timeline__card:hover,
.page-about .timeline__card:focus-within {
  box-shadow:
    3px 3px 0 rgba(10, 108, 255, 0.14),
    6px 6px 0 rgba(10, 108, 255, 0.05),
    0 16px 32px rgba(0, 0, 0, 0.24);
  transform: translateY(-2px);
}

.page-about .timeline__node:nth-child(odd) .timeline__card {
  transform: rotate(-0.45deg);
}

.page-about .timeline__node:nth-child(even) .timeline__card {
  transform: rotate(0.3deg);
}

.page-about .timeline__node:nth-child(odd) .timeline__card:hover,
.page-about .timeline__node:nth-child(even) .timeline__card:hover {
  transform: translateY(-2px);
}

.page-about .timeline__card-head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-2);
}

.page-about .timeline__season {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(10, 108, 255, 0.14);
  border: 1px solid rgba(10, 108, 255, 0.24);
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-about .timeline__period {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.page-about .timeline__title {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .timeline__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-muted);
}

.page-about .timeline__detail {
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px dashed rgba(255, 255, 255, 0.13);
}

.page-about .timeline__detail-btn {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  transition: color var(--dur) var(--ease);
}

.page-about .timeline__detail-btn::-webkit-details-marker {
  display: none;
}

.page-about .timeline__detail-btn:hover,
.page-about .timeline__detail-btn:focus-visible {
  color: var(--color-text);
  outline: none;
}

.page-about .timeline__detail-btn::before {
  content: "+";
  font-family: var(--font-code);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--dur) var(--ease);
}

.page-about .timeline__detail[open] .timeline__detail-btn::before {
  transform: rotate(45deg);
}

.page-about .timeline__detail[open] .timeline__detail-btn {
  color: var(--color-text);
}

.page-about .timeline__detail-body {
  margin-top: var(--sp-3);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-muted);
}

.page-about .timeline__detail-body p {
  margin: 0 0 var(--sp-2);
}

.page-about .timeline__detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-about .about-products {
  position: relative;
  overflow: hidden;
}

.page-about .about-products::before {
  content: "";
  position: absolute;
  top: 20%;
  right: -6%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(255, 107, 0, 0.14),
    0 0 0 34px rgba(255, 107, 0, 0.05),
    0 0 0 68px rgba(255, 107, 0, 0.02);
  pointer-events: none;
}

.page-about .about-products__layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-7);
}

.page-about .about-products__lead {
  margin: 0 0 var(--sp-3);
  font-size: var(--text-lg);
  line-height: 1.75;
  font-weight: 500;
  color: var(--color-text);
}

.page-about .about-products__text {
  margin: 0 0 var(--sp-4);
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-muted);
}

.page-about .about-products__figure {
  margin-top: var(--sp-5);
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.28);
}

.page-about .about-products__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(11, 12, 16, 0.72) 100%);
  pointer-events: none;
}

.page-about .about-products__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-about .about-products__figcaption {
  position: absolute;
  left: var(--sp-4);
  right: var(--sp-4);
  bottom: var(--sp-3);
  z-index: 1;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}

.page-about .about-products__index {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-3);
  align-content: start;
}

.page-about .about-products__entry {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(30, 32, 39, 0.78);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-products__entry:hover,
.page-about .about-products__entry:focus-within {
  border-color: rgba(255, 107, 0, 0.34);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  transform: translateX(4px);
}

.page-about .about-products__code {
  flex: none;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(255, 107, 0, 0.12);
  border: 1px solid rgba(255, 107, 0, 0.22);
  color: var(--color-accent);
}

.page-about .about-products__entry-body h3 {
  margin: 0 0 6px;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.page-about .about-products__entry-desc {
  margin: 0 0 var(--sp-2);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-muted);
}

.page-about .about-products__legend {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-about .about-mission__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-about .about-mission__card {
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
}

.page-about .about-mission__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(10, 108, 255, 0.14), transparent 70%);
  pointer-events: none;
}

.page-about .about-mission__card:last-child::after {
  background: radial-gradient(circle, rgba(255, 107, 0, 0.12), transparent 70%);
}

.page-about .about-mission__title {
  margin: var(--sp-2) 0 var(--sp-3);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .about-mission__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-muted);
}

.page-about .about-mission__foot {
  margin-top: var(--sp-7);
  padding: var(--sp-6);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, rgba(10, 108, 255, 0.08), transparent 50%),
    linear-gradient(315deg, rgba(255, 107, 0, 0.08), transparent 52%);
  display: grid;
  gap: var(--sp-5);
}

.page-about .about-mission__statement {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--color-muted);
}

.page-about .about-mission__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-route {
    flex-wrap: nowrap;
  }

  .page-about .about-route__item {
    flex: 1 1 0;
  }

  .page-about .about-route__item + .about-route__item {
    border-top: 0;
    border-left: 1px dashed rgba(255, 255, 255, 0.08);
  }

  .page-about .about-route__link {
    padding: var(--sp-4);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

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

@media (min-width: 992px) {
  .page-about .about-hero {
    padding: var(--sp-7) 0 var(--sp-8);
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--sp-7);
  }

  .page-about .about-route-section {
    margin-top: -28px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--sp-7);
  }

  .page-about .about-upgrade__panel {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--sp-5);
  }

  .page-about .timeline__track::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .timeline__node {
    display: grid;
    grid-template-columns: 1fr 44px 1fr;
    padding-left: 0;
    gap: 0;
  }

  .page-about .timeline__dot {
    grid-column: 2;
    grid-row: 1;
    left: 50%;
    top: 34px;
  }

  .page-about .timeline__card {
    grid-column: 3;
    grid-row: 1;
    width: calc(100% - 12px);
  }

  .page-about .timeline__node:nth-child(odd) .timeline__card {
    grid-column: 1;
    justify-self: end;
    width: calc(100% - 12px);
  }

  .page-about .timeline__node:nth-child(even) .timeline__card {
    grid-column: 3;
    justify-self: start;
  }

  .page-about .about-products__layout {
    grid-template-columns: 0.92fr 1.08fr;
    gap: var(--sp-7);
  }

  .page-about .about-products__index {
    padding-top: var(--sp-5);
  }

  .page-about .about-mission__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }

  .page-about .about-mission__foot {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: var(--sp-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-about .about-upgrade__feature:hover,
  .page-about .about-products__entry:hover,
  .page-about .timeline__card:hover {
    transform: none;
  }
}