.page-about {
  --about-line: rgba(0, 229, 255, 0.16);
  --about-glass: rgba(18, 26, 58, 0.72);
  --about-panel: linear-gradient(145deg, rgba(18, 26, 58, 0.92), rgba(11, 16, 38, 0.85));
}
.page-about .tag-violet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(123, 47, 190, 0.28);
  border: 1px solid rgba(123, 47, 190, 0.5);
  color: var(--ink);
  font-weight: 600;
}
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: 28px;
  padding-bottom: 48px;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -90px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(123, 47, 190, 0.42), transparent 66%);
  border-radius: 30px;
  transform: rotate(14deg);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -70px;
  bottom: -130px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.16), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}
.page-about .breadcrumb-wrap {
  margin-bottom: 22px;
}
.page-about .about-hero-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}
.page-about .about-hero-copy h1 {
  margin: 14px 0;
  font-size: clamp(1.7rem, 4vmin, 2.8rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 12em;
}
.page-about .about-hero-copy .lead {
  font-size: clamp(1rem, 1.4vmin, 1.15rem);
  margin-bottom: 12px;
  max-width: 34em;
}
.page-about .about-hero-sub {
  color: var(--mist);
  margin-bottom: 22px;
  max-width: 38em;
}
.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-hero-panel {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  border-radius: 20px;
  padding: 22px;
  transform: rotate(0.6deg);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-about .about-hero-panel h2 {
  font-family: var(--font-head);
  font-size: 1.08rem;
  color: var(--cyan);
  margin: 0 0 14px;
}
.page-about .about-hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}
.page-about .about-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  border-bottom: 1px dashed rgba(159, 179, 217, 0.25);
  padding-bottom: 8px;
  font-size: 0.94rem;
  margin: 0;
}
.page-about .about-hero-note {
  color: var(--mist);
  font-size: 0.82rem;
  margin: 14px 0 0;
}
.page-about .about-position {
  position: relative;
  border-top: 1px solid rgba(123, 47, 190, 0.2);
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
}
.page-about .position-intro {
  display: grid;
  gap: 24px;
}
.page-about .position-copy {
  max-width: 46em;
  color: var(--mist);
}
.page-about .position-copy p {
  margin: 0;
}
.page-about .position-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-about .position-card {
  position: relative;
  background: var(--about-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--about-line);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.page-about .position-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 12px 36px rgba(0, 229, 255, 0.12);
}
.page-about .position-index {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1;
  color: rgba(0, 229, 255, 0.22);
}
.page-about .position-card h3 {
  font-size: 1.08rem;
  margin: 14px 0 8px;
  line-height: 1.35;
}
.page-about .position-card p {
  color: var(--mist);
  font-size: 0.94rem;
  margin: 0;
}
.page-about .about-milestone {
  background: linear-gradient(180deg, rgba(18, 26, 58, 0.28), rgba(11, 16, 38, 0.6));
  border-top: 1px solid rgba(0, 229, 255, 0.08);
  border-bottom: 1px solid rgba(123, 47, 190, 0.2);
}
.page-about .milestone-layout {
  display: grid;
  gap: 26px;
  align-items: start;
}
.page-about .milestone-col {
  display: grid;
  gap: 18px;
}
.page-about .milestone-media {
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: var(--radius);
  aspect-ratio: auto;
}
.page-about .milestone-media img {
  width: 100%;
  height: auto;
  display: block;
}
.page-about .milestone-timeline {
  position: relative;
  margin-left: 8px;
  padding-left: 26px;
  display: grid;
  gap: 14px;
}
.page-about .milestone-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet), rgba(123, 47, 190, 0.15));
}
.page-about .milestone-node {
  position: relative;
  background: var(--about-glass);
  border: 1px solid var(--about-line);
  border-radius: 14px;
  padding: 14px 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.page-about .milestone-node::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.14), 0 0 14px rgba(0, 229, 255, 0.45);
}
.page-about .milestone-node:hover {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.1);
}
.page-about .milestone-node--current {
  border-color: rgba(245, 179, 1, 0.5);
}
.page-about .milestone-node--current::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(245, 179, 1, 0.16), 0 0 14px rgba(245, 179, 1, 0.5);
}
.page-about .milestone-meta {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--cyan);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.page-about .milestone-node--current .milestone-meta {
  color: var(--gold);
}
.page-about .milestone-node h3 {
  font-size: 1.02rem;
  margin: 0 0 6px;
}
.page-about .milestone-node p {
  font-size: 0.92rem;
  color: var(--mist);
  margin: 0;
}
.page-about .milestone-dashboard {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  border-radius: 20px;
  padding: 20px;
}
.page-about .milestone-dashboard h2 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--cyan);
  margin: 0 0 16px;
}
.page-about .dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.page-about .dashboard-item {
  background: rgba(11, 16, 38, 0.55);
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-radius: 12px;
  padding: 14px 12px;
  display: grid;
  gap: 4px;
}
.page-about .dashboard-value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.7rem, 3vmin, 2.2rem);
  color: var(--cyan);
  line-height: 1;
}
.page-about .dashboard-label {
  font-size: 0.8rem;
  color: var(--mist);
}
.page-about .dashboard-note {
  color: var(--mist);
  font-size: 0.86rem;
  border-left: 3px solid var(--violet);
  padding-left: 12px;
  margin: 16px 0;
}
.page-about .milestone-dashboard .btn {
  width: 100%;
}
.page-about .about-eco {
  position: relative;
  border-top: 1px solid rgba(0, 229, 255, 0.08);
}
.page-about .about-eco::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 260px;
  background: radial-gradient(ellipse at 30% 0%, rgba(123, 47, 190, 0.22), transparent 70%);
  pointer-events: none;
}
.page-about .about-eco .container {
  position: relative;
  z-index: 1;
}
.page-about .eco-poster {
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: 20px;
  margin-bottom: 26px;
}
.page-about .eco-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-about .eco-topology {
  display: grid;
  gap: 18px;
}
.page-about .topology-core {
  display: grid;
  gap: 8px;
  align-content: center;
  background: linear-gradient(140deg, rgba(123, 47, 190, 0.46), rgba(18, 26, 58, 0.9));
  border: 1px solid rgba(123, 47, 190, 0.42);
  border-radius: 20px;
  padding: 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-about .eco-kicker {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  color: var(--gold);
  text-transform: uppercase;
}
.page-about .topology-core h3 {
  font-size: 1.5rem;
  margin: 0;
}
.page-about .topology-core p {
  color: var(--mist);
  margin: 0 0 10px;
}
.page-about .topology-branches {
  position: relative;
  display: grid;
  gap: 12px;
  padding-left: 18px;
}
.page-about .topology-branches::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(0, 229, 255, 0.42), rgba(123, 47, 190, 0.3));
}
.page-about .topology-branch {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  background: var(--about-glass);
  border: 1px solid var(--about-line);
  border-radius: 14px;
  padding: 14px;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}
.page-about .topology-branch:hover {
  transform: translateX(4px);
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.08);
}
.page-about .topology-body {
  display: grid;
  gap: 2px;
}
.page-about .topology-body strong {
  font-size: 1rem;
  color: var(--ink);
}
.page-about .topology-body span {
  font-size: 0.84rem;
  color: var(--mist);
}
.page-about .topology-arrow {
  color: var(--cyan);
  font-size: 1.2rem;
  font-weight: 700;
}
.page-about .about-security {
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.6), rgba(18, 26, 58, 0.3));
  border-top: 1px solid rgba(123, 47, 190, 0.2);
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
}
.page-about .security-layout {
  display: grid;
  gap: 24px;
}
.page-about .security-media {
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: 20px;
  aspect-ratio: auto;
}
.page-about .security-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-about .security-content {
  display: grid;
  gap: 16px;
}
.page-about .security-list {
  display: grid;
  gap: 12px;
}
.page-about .security-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  background: var(--about-glass);
  border: 1px solid var(--about-line);
  border-radius: 14px;
  padding: 14px 16px;
}
.page-about .security-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--cyan);
  font-family: var(--font-head);
  font-weight: 800;
}
.page-about .security-card h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}
.page-about .security-card p {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
}
.page-about .security-more {
  display: inline-block;
  margin-top: 8px;
  color: var(--cyan);
  font-size: 0.9rem;
  text-decoration: none;
}
.page-about .security-more:hover {
  color: var(--ink);
  text-decoration: underline;
}
.page-about .security-extra {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(245, 179, 1, 0.1), rgba(123, 47, 190, 0.12));
  border: 1px solid rgba(245, 179, 1, 0.35);
  border-radius: 16px;
  padding: 16px;
}
.page-about .security-extra p {
  flex: 1 1 280px;
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
}
.page-about .about-links {
  background: transparent;
}
.page-about .about-link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .about-link-item {
  position: relative;
  display: grid;
  gap: 8px;
  background: var(--about-glass);
  border: 1px solid var(--about-line);
  border-radius: 16px;
  padding: 18px;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.page-about .about-link-item::after {
  content: "↗";
  position: absolute;
  right: 14px;
  top: 14px;
  color: rgba(0, 229, 255, 0.5);
  font-size: 1rem;
}
.page-about .about-link-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.5);
}
.page-about .about-link-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
}
.page-about .about-link-item span:last-child {
  color: var(--mist);
  font-size: 0.88rem;
}
@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
    align-items: center;
  }
  .page-about .position-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .page-about .milestone-layout {
    grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
  }
  .page-about .milestone-dashboard {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
  }
  .page-about .eco-topology {
    grid-template-columns: minmax(240px, 1fr) minmax(0, 2fr);
    align-items: stretch;
  }
  .page-about .topology-branches {
    padding-left: 26px;
  }
  .page-about .security-layout {
    grid-template-columns: minmax(260px, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }
  .page-about .security-media {
    height: 100%;
  }
  .page-about .security-media img {
    height: 100%;
    min-height: 320px;
  }
  .page-about .about-link-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1200px) {
  .page-about .security-list {
    grid-template-columns: 1fr 1fr;
  }
}