.page-about {
  overflow-x: clip;
  --about-green: #00FF88;
  --about-blue: #00BFFF;
  --about-orange: #FF4500;
  --about-yellow: #FFE600;
  --about-bg-card: #1A1F29;
  --about-line: #2A3342;
  --about-text: #E0E6ED;
  --about-muted: #5A6B7B;
  --about-font-display: Impact, "DIN Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --about-font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  --about-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --about-page-pad: clamp(18px, 4vw, 48px);
  --about-shadow: 6px 6px 0 rgba(0, 0, 0, 0.4);
}

.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: calc(var(--about-page-pad) * 1.2) var(--about-page-pad) 56px;
  background: linear-gradient(135deg, #0A0E14 0%, #102340 100%);
  border-bottom: 4px solid var(--about-green);
  position: relative;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64%;
  height: 4px;
  background: var(--about-green);
}
.page-about .about-hero-main {
  position: relative;
}
.page-about .about-hero-mark {
  font-family: var(--about-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--about-blue);
  text-transform: uppercase;
  margin: 20px 0 0;
}
.page-about .about-hero h1 {
  font-family: var(--about-font-display);
  font-size: clamp(38px, 5.6vw, 68px);
  line-height: 0.95;
  letter-spacing: 0.04em;
  margin: 16px 0 24px;
  color: var(--about-text);
  max-width: 760px;
}
.page-about .about-hero-lead {
  color: var(--about-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 680px;
}
.page-about .about-hero-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 36px;
  border-top: 2px solid var(--about-line);
  padding-top: 24px;
  max-width: 720px;
}
.page-about .about-index-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border: 2px solid var(--about-line);
  background: rgba(26, 31, 41, 0.72);
  color: var(--about-text);
  text-decoration: none;
  font-family: var(--about-font-mono);
  font-size: 13px;
  transition: border-color 0.2s, background-color 0.2s;
}
.page-about .about-index-link:hover,
.page-about .about-index-link:focus-visible {
  border-color: var(--about-green);
  background: rgba(0, 255, 136, 0.08);
  outline: none;
}
.page-about .about-index-num {
  color: var(--about-green);
  font-size: 12px;
}
.page-about .about-hero-figure {
  position: relative;
  margin: 0;
  background: var(--about-bg-card);
  border: 4px solid #00000000;
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.45);
  align-self: start;
}
.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.page-about .about-hero-figure figcaption {
  padding: 12px 16px;
  background: var(--about-green);
  color: #0A0E14;
  font-family: var(--about-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-about .about-vision,
.page-about .about-journey,
.page-about .about-tech,
.page-about .about-team,
.page-about .about-ecosystem,
.page-about .about-honors {
  position: relative;
  padding: 64px var(--about-page-pad);
  border-bottom: 2px solid var(--about-line);
}
.page-about .about-section-slice {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--about-line);
  padding-bottom: 12px;
}
.page-about .about-section-num {
  font-family: var(--about-font-mono);
  color: var(--about-green);
  font-size: 14px;
  letter-spacing: 0.05em;
}
.page-about .about-section-slice h2 {
  font-family: var(--about-font-display);
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0.05em;
  color: var(--about-text);
  margin: 0;
}

.page-about .about-vision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-about .about-vision-statement {
  font-family: var(--about-font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.45;
  color: var(--about-text);
  border-left: 4px solid var(--about-green);
  padding-left: 24px;
  margin: 0;
}
.page-about .about-vision-copy p {
  color: var(--about-text);
  line-height: 1.75;
  font-size: 15px;
  margin: 0 0 16px;
}

.page-about .about-journey {
  background: rgba(16, 35, 64, 0.36);
  overflow: hidden;
}
.page-about .about-journey::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 40px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0, 255, 136, 0.07), transparent 90deg, rgba(0, 191, 255, 0.04) 180deg, transparent 270deg);
  border: 2px solid rgba(0, 255, 136, 0.14);
  animation: aboutRadarSpin 9s linear infinite;
  pointer-events: none;
}
.page-about .about-journey-curve {
  display: block;
  width: 100%;
  height: 90px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  z-index: 1;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(180deg, var(--about-green) 0%, var(--about-blue) 100%);
  border-radius: 2px;
}
.page-about .about-timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding-left: 48px;
}
.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  width: 19px;
  height: 19px;
  background: #0A0E14;
  border: 4px solid var(--about-green);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(0, 255, 136, 0.14);
}
.page-about .about-milestone {
  background: var(--about-bg-card);
  border: 2px solid var(--about-line);
  padding: 22px 20px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}
.page-about .about-milestone-era {
  font-family: var(--about-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--about-green);
  text-transform: uppercase;
  margin: 0 0 8px;
}
.page-about .about-milestone h3 {
  font-family: var(--about-font-display);
  font-size: 22px;
  margin: 0 0 10px;
  color: var(--about-text);
  letter-spacing: 0.03em;
}
.page-about .about-milestone p {
  margin: 0;
  color: var(--about-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  position: relative;
}
.page-about .about-tech-copy p {
  color: var(--about-text);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 16px;
}
.page-about .about-tech-points {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
}
.page-about .about-tech-points li {
  padding: 12px 14px;
  background: var(--about-bg-card);
  border-left: 3px solid var(--about-blue);
  font-family: var(--about-font-mono);
  font-size: 13px;
  color: var(--about-text);
}
.page-about .about-tech-figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--about-line);
  background: var(--about-bg-card);
  box-shadow: var(--about-shadow);
  overflow: hidden;
}
.page-about .about-tech-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-tech-figure::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0, 255, 136, 0.2), transparent 90deg, rgba(0, 191, 255, 0.06) 180deg, transparent 270deg);
  border: 2px solid rgba(0, 255, 136, 0.3);
  animation: aboutRadarSpin 6s linear infinite;
  pointer-events: none;
}
.page-about .about-tech-figure figcaption {
  padding: 10px 14px;
  background: var(--about-line);
  color: var(--about-text);
  font-family: var(--about-font-mono);
  font-size: 12px;
}
.page-about .about-tech-metrics {
  margin-top: 48px;
  grid-template-columns: repeat(2, 1fr);
}
.page-about .about-tech-metrics .data-card {
  border-color: var(--about-line);
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-about .about-team-figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--about-line);
  background: var(--about-bg-card);
  box-shadow: var(--about-shadow);
}
.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-about .about-team-figure::before {
  content: "TEAM";
  position: absolute;
  top: -14px;
  left: 16px;
  background: var(--about-orange);
  color: #0A0E14;
  font-family: var(--about-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  z-index: 1;
}
.page-about .about-team-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--about-line);
  color: var(--about-muted);
  font-family: var(--about-font-mono);
  font-size: 12px;
}
.page-about .about-team-copy p {
  color: var(--about-text);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 16px;
}
.page-about .about-team-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0 0;
}
.page-about .about-team-list div {
  border: 2px solid var(--about-line);
  padding: 16px;
  background: var(--about-bg-card);
}
.page-about .about-team-list dt {
  font-family: var(--about-font-mono);
  color: var(--about-green);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.page-about .about-team-list dd {
  margin: 0;
  color: var(--about-text);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-about .about-eco-card {
  position: relative;
  border: 2px solid var(--about-line);
  padding: 30px 24px 24px;
  background: var(--about-bg-card);
  overflow: hidden;
}
.page-about .about-eco-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--about-green);
}
.page-about .about-eco-card:nth-child(2)::before {
  background: var(--about-blue);
}
.page-about .about-eco-card:nth-child(3)::before {
  background: var(--about-orange);
}
.page-about .about-eco-card:nth-child(4)::before {
  background: var(--about-yellow);
}
.page-about .about-eco-num {
  font-family: var(--about-font-mono);
  font-size: 42px;
  line-height: 1;
  color: var(--about-green);
  margin: 0 0 12px;
}
.page-about .about-eco-card:nth-child(2) .about-eco-num {
  color: var(--about-blue);
}
.page-about .about-eco-card:nth-child(3) .about-eco-num {
  color: var(--about-orange);
}
.page-about .about-eco-card:nth-child(4) .about-eco-num {
  color: var(--about-yellow);
}
.page-about .about-eco-card h3 {
  font-family: var(--about-font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--about-text);
  margin: 0 0 10px;
}
.page-about .about-eco-card p:last-child {
  color: var(--about-muted);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.page-about .about-honors {
  background: linear-gradient(135deg, #0A0E14 0%, #102340 100%);
}
.page-about .about-honors-tip {
  margin-left: auto;
  font-family: var(--about-font-mono);
  font-size: 12px;
  color: var(--about-muted);
}
.page-about .about-honor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-about .about-honor-card {
  height: 280px;
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}
.page-about .about-honor-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transform-style: preserve-3d;
}
.page-about .about-honor-card:hover .about-honor-inner,
.page-about .about-honor-card:focus .about-honor-inner,
.page-about .about-honor-card:focus-within .about-honor-inner {
  transform: rotateY(180deg);
}
.page-about .about-honor-front,
.page-about .about-honor-back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 28px;
  border: 3px solid var(--about-line);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  text-align: center;
}
.page-about .about-honor-front {
  background: var(--about-bg-card);
}
.page-about .about-honor-badge {
  font-family: var(--about-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--about-blue);
  text-transform: uppercase;
  margin: 0 0 12px;
}
.page-about .about-honor-name {
  font-family: var(--about-font-display);
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--about-text);
  margin: 0;
}
.page-about .about-honor-back {
  background: var(--about-green);
  color: #0A0E14;
  transform: rotateY(180deg);
  font-size: 15px;
  line-height: 1.7;
  border-color: var(--about-green);
}
.page-about .about-honor-back p {
  margin: 0;
}

.page-about .about-cta {
  padding: 72px var(--about-page-pad);
}
.page-about .about-cta-box {
  position: relative;
  padding: 48px 32px;
  background: linear-gradient(135deg, #1A1F29 0%, #102340 100%);
  border: 2px solid var(--about-line);
  box-shadow: var(--about-shadow);
  text-align: center;
}
.page-about .about-cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--about-green), var(--about-blue), var(--about-orange));
}
.page-about .about-cta-box .eyebrow {
  color: var(--about-green);
  font-family: var(--about-font-mono);
}
.page-about .about-cta-box h2 {
  font-family: var(--about-font-display);
  font-size: clamp(26px, 3.6vw, 38px);
  letter-spacing: 0.04em;
  color: var(--about-text);
  margin: 0 0 16px;
}
.page-about .about-cta-box p:not(.eyebrow) {
  color: var(--about-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}
.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

@keyframes aboutRadarSpin {
  to {
    transform: rotate(360deg);
  }
}

@media (min-width: 600px) {
  .page-about .about-hero {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
  .page-about .about-hero-figure {
    width: 320px;
  }
  .page-about .about-hero-index {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-vision-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
  .page-about .about-tech-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-team-list {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-eco-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: 1.15fr 0.85fr;
    padding-top: calc(var(--about-page-pad) * 1.4);
  }
  .page-about .about-hero-figure {
    width: 100%;
    max-width: 420px;
    justify-self: end;
    margin-right: 24px;
  }
  .page-about .about-journey-curve {
    height: 160px;
  }
  .page-about .about-timeline {
    padding-top: 16px;
  }
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .about-timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: 64px;
    margin-bottom: 40px;
  }
  .page-about .about-timeline-item.about-timeline-right {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 64px;
  }
  .page-about .about-timeline-item::before {
    left: auto;
    right: -10px;
  }
  .page-about .about-timeline-item.about-timeline-right::before {
    right: auto;
    left: -10px;
  }
  .page-about .about-timeline-item.about-timeline-left .about-milestone {
    text-align: right;
  }
  .page-about .about-tech-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 56px;
  }
  .page-about .about-team-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
  }
  .page-about .about-eco-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-honor-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-journey::after,
  .page-about .about-tech-figure::after,
  .page-about .about-journey-curve circle {
    animation: none;
  }
  .page-about .about-honor-inner {
    transition: none;
  }
}