.page-about {
  --about-text-soft: #C6D0DC;
  --about-gold-soft: rgba(212, 160, 23, 0.38);
  --about-red-soft: rgba(217, 56, 62, 0.55);
  --about-cyan-soft: rgba(45, 212, 191, 0.35);
  position: relative;
  background:
    radial-gradient(ellipse 80% 40% at 88% -4%, rgba(212, 160, 23, 0.12), transparent 62%),
    radial-gradient(ellipse 60% 36% at 0% 62%, rgba(45, 212, 191, 0.05), transparent 58%),
    var(--bg-primary);
  color: var(--text-light);
  overflow-x: hidden;
}

.page-about__container {
  max-width: var(--container);
  margin-inline: auto;
  padding: 24px 20px 80px;
}

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 13px;
  color: var(--gray-blue);
}

.page-about .breadcrumbs a {
  color: var(--gray-blue);
  text-decoration: none;
  transition: color 160ms ease;
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--accent-gold-light);
}

.page-about .breadcrumbs__sep {
  color: var(--divider);
}

.page-about .breadcrumbs__current {
  color: var(--accent-gold-light);
  font-weight: 600;
}

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

.page-about__intro {
  position: relative;
  display: grid;
  gap: 34px;
  margin-bottom: 72px;
}

.page-about__intro::before {
  content: "";
  position: absolute;
  top: -24px;
  right: -20px;
  width: 180px;
  height: 220px;
  background: repeating-linear-gradient(-45deg, transparent 0 14px, rgba(212, 160, 23, 0.05) 14px 16px);
  pointer-events: none;
}

.page-about__kicker {
  color: var(--accent-gold-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-about__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.page-about__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-text-soft);
  max-width: 64ch;
  margin: 0 0 24px;
}

.page-about__intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about__intro-visual {
  display: flex;
  flex-direction: column;
  position: relative;
}

.page-about__intro-figure {
  margin: 0;
  position: relative;
  line-height: 0;
}

.page-about__intro-img {
  width: 100%;
  display: block;
  border: 1px solid var(--about-gold-soft);
  border-radius: 4px 24px 4px 24px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  object-fit: cover;
}

.page-about__mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.page-about__mini-stat {
  background: var(--bg-secondary);
  border-top: 2px solid var(--accent-gold);
  border-radius: 2px 14px 2px 14px;
  padding: 14px 8px 12px;
  text-align: center;
  transition: transform 150ms ease, background 150ms ease;
}

.page-about__mini-stat:hover {
  transform: translateY(-3px);
  background: #182A4D;
}

.page-about__mini-num {
  display: block;
  font-family: var(--font-numeric);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--accent-gold-light);
}

.page-about__mini-label {
  display: block;
  font-size: 12px;
  color: var(--gray-blue);
  margin-top: 4px;
}

.page-about__section-kicker {
  color: var(--accent-gold-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-about__section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  margin: 0 0 14px;
}

.page-about__section-desc {
  color: var(--about-text-soft);
  font-size: 15px;
  line-height: 1.7;
}

.page-about__data {
  position: relative;
  margin-bottom: 72px;
  padding: 36px 0 40px;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  overflow: hidden;
}

.page-about__data::before {
  content: "12";
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-46%);
  font-family: var(--font-numeric);
  font-size: clamp(140px, 26vw, 280px);
  font-weight: 900;
  line-height: 1;
  color: rgba(212, 160, 23, 0.055);
  pointer-events: none;
  z-index: 0;
}

.page-about__data-head {
  position: relative;
  z-index: 1;
}

.page-about__data-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-about__data-card {
  background: linear-gradient(140deg, rgba(16, 31, 60, 0.92), rgba(11, 14, 20, 0.88));
  border: 1px solid var(--divider);
  border-radius: 4px 18px 4px 18px;
  padding: 20px 18px 18px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color 160ms ease, background 160ms ease;
}

.page-about__data-card:hover,
.page-about__data-card:focus-within {
  border-color: var(--about-gold-soft);
  background: linear-gradient(140deg, #16294A, #0B0E14);
}

.page-about__data-card-num {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-about__data-card-num .data-number {
  font-size: 44px;
  line-height: 1;
  color: var(--accent-gold-light);
}

.page-about__data-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-text-soft);
  margin: 0;
}

.page-about__scope {
  display: grid;
  gap: 30px;
  margin-bottom: 76px;
  padding: 0 0 8px;
}

.page-about__scope-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-light);
  font-weight: 600;
  margin: 0 0 12px;
}

.page-about__scope-sub {
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-text-soft);
  margin: 0;
  max-width: 58ch;
}

.page-about__scope-line {
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-red) 42%, var(--accent-cyan) 100%);
  margin-bottom: 4px;
}

.page-about__scope-region {
  background: linear-gradient(135deg, var(--bg-secondary), rgba(16, 31, 60, 0.55));
  border-left: 4px solid var(--accent-gold);
  border-radius: 4px 18px 4px 18px;
  padding: 22px 20px;
  margin-bottom: 14px;
}

.page-about__scope-region--net {
  border-left-color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--bg-secondary), rgba(45, 212, 191, 0.07));
}

.page-about__scope-region h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin: 10px 0 8px;
}

.page-about__scope-region p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-text-soft);
  margin: 0;
}

.page-about__compliance {
  margin-bottom: 76px;
}

.page-about__compliance-grid {
  display: grid;
  gap: 36px;
}

.page-about__compliance-main,
.page-about__compliance-side {
  min-width: 0;
}

.page-about__compliance-lead {
  color: var(--about-text-soft);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 22px;
}

.page-about__process {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about__process li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(16, 31, 60, 0.72);
  border-radius: 2px 14px 2px 14px;
  padding: 15px 16px;
  border: 1px solid transparent;
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-about__process li:hover {
  border-color: var(--about-gold-soft);
  transform: translateX(4px);
}

.page-about__process-step {
  font-family: var(--font-numeric);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--accent-gold-light);
  flex-shrink: 0;
}

.page-about__process-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-text-soft);
}

.page-about__process-text strong {
  display: block;
  color: var(--text-light);
  font-weight: 700;
  margin-bottom: 2px;
}

.page-about__badge {
  margin: 0 0 22px;
  position: relative;
  text-align: center;
}

.page-about__badge::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: conic-gradient(from 120deg, transparent 0 70%, var(--about-gold-soft) 78%, transparent 88%);
  animation: page-about-spin 18s linear infinite;
  pointer-events: none;
}

@keyframes page-about-spin {
  to {
    transform: rotate(360deg);
  }
}

.page-about__badge-img {
  width: min(100%, 300px);
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--about-gold-soft);
  box-shadow: 0 0 32px rgba(212, 160, 23, 0.18);
}

.page-about__compliance-list {
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-about__compliance-item {
  background: var(--bg-secondary);
  border-radius: 2px 12px 2px 12px;
  padding: 14px 16px;
}

.page-about__compliance-item dt {
  font-size: 12px;
  color: var(--gray-blue);
  margin-bottom: 3px;
}

.page-about__compliance-item dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
}

.page-about__compliance-trust {
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray-blue);
  background: linear-gradient(135deg, rgba(16, 31, 60, 0.8), rgba(11, 14, 20, 0.8));
  border-radius: 2px 12px 2px 12px;
  padding: 14px 16px;
  margin: 0;
}

.page-about__journey {
  display: grid;
  gap: 38px;
  margin-bottom: 72px;
  padding-top: 8px;
}

.page-about__journey-left {
  min-width: 0;
}

.page-about__journey-lead {
  color: var(--about-text-soft);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 18px;
}

.page-about__journey-figure {
  margin: 24px 0 0;
  line-height: 0;
}

.page-about__journey-img {
  width: 100%;
  display: block;
  border: 1px solid var(--divider);
  border-radius: 4px 18px 4px 18px;
  object-fit: cover;
}

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

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-gold), rgba(212, 160, 23, 0.12));
  border-radius: var(--radius-pill);
}

.page-about__timeline-item {
  position: relative;
  padding-left: 36px;
  padding-bottom: 30px;
}

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

.page-about__timeline-marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, var(--accent-gold-light), var(--accent-gold));
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--about-gold-soft);
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.page-about__timeline-item:hover .page-about__timeline-marker {
  transform: scale(1.12);
  box-shadow: 0 0 0 4px var(--about-gold-soft);
}

.page-about__timeline-body {
  background: linear-gradient(135deg, rgba(16, 31, 60, 0.82), rgba(11, 14, 20, 0.78));
  border: 1px solid var(--divider);
  border-radius: 4px 16px 4px 16px;
  padding: 16px 18px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-about__timeline-item:hover .page-about__timeline-body {
  border-color: var(--about-gold-soft);
  transform: translateX(4px);
}

.page-about__timeline-body .tag {
  margin-bottom: 8px;
}

.page-about__timeline-body h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about__timeline-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-text-soft);
  margin: 0;
}

.page-about__footer-note {
  position: relative;
}

.page-about__footer-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(16, 31, 60, 0.94), rgba(11, 14, 20, 0.94));
  border: 1px solid var(--about-gold-soft);
  border-radius: 4px 24px 4px 24px;
  padding: 36px 22px 30px;
  text-align: center;
}

.page-about__footer-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-cyan));
}

.page-about__footer-card::after {
  content: "KAIYUN";
  position: absolute;
  right: -12px;
  bottom: -14px;
  font-family: var(--font-numeric);
  font-size: clamp(64px, 12vw, 110px);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: rgba(212, 160, 23, 0.055);
  pointer-events: none;
}

.page-about__footer-word {
  position: relative;
  z-index: 1;
}

.page-about__footer-word h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  margin: 0 0 14px;
}

.page-about__footer-word p {
  max-width: 60ch;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-text-soft);
}

.page-about__footer-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 22px;
}

.page-about__footer-icp {
  position: relative;
  z-index: 1;
  font-size: 13px;
  color: var(--gray-blue);
  margin: 20px 0 0;
}

@media (min-width: 640px) {
  .page-about__data-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about__data-head {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-about__data-head .page-about__section-desc {
    max-width: 40ch;
    text-align: right;
  }

  .page-about__scope {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-about__scope-line {
    grid-column: 1 / -1;
  }

  .page-about__scope-map {
    grid-column: 1 / -1;
    display: block;
  }

  .page-about__scope-region {
    display: inline-block;
    width: calc(50% - 8px);
    vertical-align: top;
    margin-right: 14px;
  }

  .page-about__scope-region:last-child {
    margin-right: 0;
  }
}

@media (min-width: 960px) {
  .page-about__container {
    padding-top: 36px;
  }

  .page-about__intro {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
  }

  .page-about__intro::before {
    width: 260px;
    height: 300px;
  }

  .page-about__intro-actions {
    gap: 16px;
  }

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

  .page-about__data {
    padding: 48px 0 52px;
  }

  .page-about__compliance-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-about__compliance-side {
    display: flex;
    flex-direction: column;
  }

  .page-about__journey {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }

  .page-about__footer-card {
    padding: 44px 48px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about__badge::before {
    animation: none;
  }

  .page-about__mini-stat,
  .page-about__data-card,
  .page-about__scope-region,
  .page-about__process li,
  .page-about__timeline-body {
    transition: none;
  }
}