.page-about {
  --about-accent: #39FF14;
  --about-hot: #FF6A00;
  --about-deep: #0B1D2A;
  --about-card-bg: #111820;
  --about-muted: #9E9E9E;
  --about-soft: #B7B7B7;
  --about-line: rgba(255, 255, 255, 0.08);
  --about-display: 'Impact', 'Anton', 'Noto Sans SC', sans-serif;
  --about-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #0A0A0A;
  color: #FFFFFF;
  overflow-x: hidden;
}
.page-about img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about figure {
  margin: 0;
}
.page-about figcaption {
  color: var(--about-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 10px;
}
.page-about .kicker {
  color: var(--about-accent);
  letter-spacing: 0.18em;
}
.page-about .section-head h2 {
  font-family: var(--about-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 10px 0 0;
}
.page-about .about-hero {
  position: relative;
  padding: clamp(44px, 6vw, 96px) 0 clamp(56px, 8vw, 96px);
  border-bottom: 1px solid var(--about-line);
  background:
    radial-gradient(circle at 82% 18%, rgba(57, 255, 20, 0.12), transparent 34%),
    radial-gradient(circle at 12% 88%, rgba(255, 106, 0, 0.08), transparent 30%),
    linear-gradient(135deg, #0B1D2A 0%, #0A0A0A 60%, #111820 100%);
}
.page-about .about-hero-grid {
  display: grid;
  gap: 40px;
}
.page-about .about-hero h1 {
  font-family: var(--about-display);
  font-size: clamp(3rem, 9vw, 7.2rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin: 14px 0 22px;
  max-width: 840px;
}
.page-about .about-hero-lead {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.8;
  color: #CFCFCF;
  max-width: 720px;
  margin: 0;
}
.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 30px;
}
.page-about .about-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--about-muted);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 6px 14px;
}
.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.page-about .about-hero-side {
  margin-top: 48px;
}
.page-about .about-quick-nav {
  border-left: 3px solid var(--about-accent);
  padding: 4px 0 4px 16px;
}
.page-about .about-quick-title {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--about-muted);
  margin-bottom: 8px;
}
.page-about .about-quick-nav a {
  display: block;
  color: #CFCFCF;
  text-decoration: none;
  font-size: 1rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: color 0.25s, transform 0.25s;
}
.page-about .about-quick-nav a:hover {
  color: var(--about-accent);
  transform: translateX(6px);
}
.page-about .about-hero-note {
  color: var(--about-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  border-left: 3px solid rgba(255, 106, 0, 0.6);
  padding-left: 14px;
  margin-top: 28px;
}
.page-about .about-origin,
.page-about .about-timeline-section,
.page-about .about-data,
.page-about .about-credentials,
.page-about .about-ecosystem {
  padding: clamp(60px, 8vw, 110px) 0;
}
.page-about .about-origin {
  background: #0A0A0A;
}
.page-about .about-origin-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-section-number {
  display: block;
  font-family: var(--about-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1;
  color: rgba(57, 255, 20, 0.18);
  user-select: none;
  margin-bottom: 8px;
}
.page-about .about-origin-copy p {
  color: var(--about-soft);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 0 18px;
}
.page-about .about-origin-quote {
  border-left: 4px solid var(--about-accent);
  background: linear-gradient(90deg, rgba(57, 255, 20, 0.08), transparent);
  padding: 14px 18px;
  font-size: 1.1rem;
  color: #FFFFFF;
  margin: 28px 0 0;
}
.page-about .about-origin-figure img {
  width: 100%;
  display: block;
  border-radius: 14px;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  box-shadow: 16px 16px 0 rgba(57, 255, 20, 0.12);
}
.page-about .about-timeline-section {
  background: linear-gradient(180deg, #0B1D2A 0%, #0A0A0A 24%, #0A0A0A 100%);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}
.page-about .about-timeline-head {
  max-width: 880px;
  margin-bottom: 56px;
}
.page-about .about-timeline-head > p {
  color: var(--about-muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 18px 0 0;
}
.page-about .timeline-track {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 8px 0;
}
.page-about .timeline-track::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--about-accent) 0%, var(--about-accent) 68%, rgba(255, 106, 0, 0.6) 100%);
}
.page-about .timeline-item {
  position: relative;
  padding-left: 56px;
  margin-bottom: 40px;
}
.page-about .timeline-item::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 34px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0A0A0A;
  border: 3px solid var(--about-accent);
  box-shadow: 0 0 0 5px rgba(57, 255, 20, 0.14);
}
.page-about .timeline-year {
  font-family: var(--about-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1;
  color: var(--about-accent);
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}
.page-about .timeline-card {
  background: var(--about-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 22px 24px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.page-about .timeline-card:hover {
  border-color: rgba(57, 255, 20, 0.5);
  transform: translateX(6px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
}
.page-about .timeline-card .badge {
  background: rgba(57, 255, 20, 0.12);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--about-accent);
  margin-bottom: 10px;
}
.page-about .timeline-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.page-about .timeline-card p {
  color: var(--about-soft);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0;
}
.page-about .about-timeline-figure {
  max-width: 1000px;
  margin: 56px auto 0;
}
.page-about .about-timeline-figure img {
  width: 100%;
  display: block;
  border-radius: 16px;
  aspect-ratio: 10 / 6;
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.page-about .about-data {
  background: #0A0A0A;
}
.page-about .about-data-head {
  max-width: 880px;
}
.page-about .about-data-head > p {
  color: var(--about-muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 18px 0 0;
}
.page-about .about-data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 48px 0 64px;
}
.page-about .about-stat-card {
  position: relative;
  background: linear-gradient(145deg, #111820, #0E1420);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 28px 24px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.page-about .about-stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.35);
}
.page-about .about-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-accent), transparent 70%);
}
.page-about .about-stat-num {
  font-family: var(--about-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
  color: #FFFFFF;
  display: block;
}
.page-about .about-stat-label {
  display: block;
  font-size: 0.95rem;
  color: var(--about-muted);
  margin-top: 10px;
}
.page-about .about-data-bottom {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-data-copy h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.page-about .about-data-copy p {
  color: var(--about-soft);
  font-size: 1.05rem;
  line-height: 1.9;
}
.page-about .about-data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.page-about .about-data-tags .chip {
  background: rgba(255, 106, 0, 0.1);
  border: 1px solid rgba(255, 106, 0, 0.3);
  color: #FFD3B3;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
}
.page-about .about-process {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 10px;
  align-items: center;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.page-about .about-process span {
  font-size: 0.9rem;
  color: #CFCFCF;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 6px 14px;
}
.page-about .about-process i {
  display: inline-block;
  width: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--about-accent), transparent);
  border-radius: 2px;
}
.page-about .about-data-figure img {
  width: 100%;
  display: block;
  border-radius: 16px;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  box-shadow: -14px 14px 0 rgba(255, 106, 0, 0.14);
}
.page-about .about-credentials {
  background:
    radial-gradient(circle at 90% 10%, rgba(57, 255, 20, 0.08), transparent 40%),
    linear-gradient(160deg, #0B1D2A 0%, #0A0A0A 64%);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}
.page-about .about-cred-grid {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}
.page-about .about-cred-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 30px 26px;
  transition: transform 0.3s, border-color 0.3s;
}
.page-about .about-cred-card:hover {
  transform: translateY(-6px);
  border-color: rgba(57, 255, 20, 0.4);
}
.page-about .about-cred-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 52px;
  padding: 0 12px;
  border-radius: 12px;
  background: rgba(57, 255, 20, 0.12);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--about-accent);
  font-family: var(--about-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.page-about .about-cred-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.page-about .about-cred-card p {
  font-size: 0.95rem;
  color: var(--about-soft);
  line-height: 1.8;
  margin: 0;
}
.page-about .about-ecosystem {
  background: #0A0A0A;
}
.page-about .about-eco-list {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}
.page-about .about-eco-item {
  position: relative;
  padding: 32px 26px 28px;
  background: linear-gradient(145deg, #111820, #0E1420);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.page-about .about-eco-item:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.5);
}
.page-about .about-eco-tag {
  display: inline-block;
  background: rgba(255, 106, 0, 0.1);
  border: 1px solid rgba(255, 106, 0, 0.3);
  color: #FFB38F;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.page-about .about-eco-item h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.page-about .about-eco-item p {
  color: var(--about-soft);
  font-size: 0.98rem;
  line-height: 1.85;
  margin: 0;
}
.page-about .about-eco-note {
  max-width: 880px;
  color: var(--about-muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-top: 42px;
  border-left: 3px solid rgba(255, 106, 0, 0.5);
  padding-left: 18px;
}
.page-about .about-cta {
  padding: 70px 0 100px;
  background:
    linear-gradient(90deg, rgba(57, 255, 20, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(11, 29, 42, 0.5), transparent 70%),
    #0A0A0A;
  border-top: 1px solid var(--about-line);
}
.page-about .about-cta-inner {
  max-width: 900px;
  padding: 36px 0;
}
.page-about .about-cta-inner h2 {
  font-family: var(--about-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 18px;
}
.page-about .about-cta-inner p {
  color: var(--about-soft);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 30px;
}
.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
@media (min-width: 640px) {
  .page-about .about-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-process i {
    width: 34px;
  }
}
@media (min-width: 800px) {
  .page-about .about-eco-list {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 720px) {
  .page-about .about-cred-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 900px) {
  .page-about .about-hero-grid {
    display: grid;
    grid-template-columns: 1fr 0.36fr;
    gap: 64px;
    align-items: end;
  }
  .page-about .about-hero-side {
    margin-top: 0;
  }
  .page-about .about-origin-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }
  .page-about .about-data-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-data-bottom {
    grid-template-columns: 1fr 0.9fr;
    gap: 60px;
  }
}
@media (min-width: 1200px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1fr 0.32fr;
    gap: 80px;
  }
}