.page-about {
  --about-dot: 54px;
  --about-line: 4px;
  --about-glow: rgba(255, 107, 53, 0.22);
  --about-grid-line: rgba(255, 255, 255, 0.06);
  background: var(--color-dark);
  color: var(--color-light);
}

.page-about .about-hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-main);
  color: #fff;
  padding: clamp(160px, 20vh, 220px) 0 56px;
}

.page-about .about-hero-bg {
  position: absolute;
  inset: 0;
}

.page-about .about-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 2;
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: 32px;
  font-size: 14px;
}

.page-about .about-hero .breadcrumbs a {
  color: rgba(245, 247, 250, 0.8);
  text-decoration: none;
}

.page-about .about-hero .breadcrumbs a:hover {
  color: var(--color-accent);
}

.page-about .about-hero-kicker {
  font-family: var(--font-number);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 16px;
  font-size: 0.9rem;
}

.page-about .about-hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.08;
  margin: 0 0 18px;
  max-width: 880px;
  transform: skewX(-5deg);
  text-shadow: 2px 2px 0 var(--color-accent);
}

.page-about .about-hero-slogan {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5.6rem);
  line-height: 1;
  margin: 0 0 22px;
  transform: skewX(-6deg);
  text-shadow: 3px 3px 0 var(--color-support), 6px 6px 0 rgba(10, 26, 63, 0.55);
  color: #fff;
}

.page-about .about-hero-desc {
  font-size: 1.08rem;
  line-height: 1.6;
  color: rgba(245, 247, 250, 0.92);
  max-width: 640px;
}

.page-about .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.page-about .hero-stat {
  background: rgba(10, 26, 63, 0.6);
  border: 1px solid rgba(255, 107, 53, 0.4);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  min-width: 148px;
  backdrop-filter: blur(6px);
}

.page-about .hero-stat-label {
  display: block;
  font-size: 0.82rem;
  color: rgba(245, 247, 250, 0.72);
  margin-bottom: 4px;
}

.page-about .hero-stat .data-number {
  font-family: var(--font-number);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-accent);
}

.page-about .page-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 24px;
}

.page-about .page-links a {
  color: rgba(245, 247, 250, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  transition: background var(--transition), border-color var(--transition);
}

.page-about .page-links a:hover,
.page-about .page-links a.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.page-about .about-story {
  background: var(--color-light);
  color: var(--color-primary);
  padding: 88px 0;
}

.page-about .story-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .story-copy h2,
.page-about .strength-content h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 20px;
  transform: skewX(-5deg);
}

.page-about .story-copy p {
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 16px;
}

.page-about .story-quote {
  background: var(--gradient-main);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 36px;
  align-self: center;
  position: relative;
  overflow: hidden;
}

.page-about .story-quote::before {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.35);
}

.page-about .story-quote blockquote {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.3;
  transform: skewX(-5deg);
  position: relative;
  z-index: 1;
}

.page-about .story-quote blockquote p {
  margin: 0;
}

.page-about .story-quote-note {
  font-size: 0.9rem;
  color: rgba(245, 247, 250, 0.8);
  margin: 24px 0 0;
  position: relative;
  z-index: 1;
}

.page-about .about-milestones {
  background: var(--color-primary);
  padding: 96px 0;
  position: relative;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-about .about-milestones .container {
  position: relative;
  z-index: 1;
}

.page-about .section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 720px;
  margin-bottom: 56px;
  color: #fff;
}

.page-about .section-head h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  margin: 0;
  transform: skewX(-5deg);
}

.page-about .section-head .section-desc {
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(245, 247, 250, 0.78);
}

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

.page-about .milestone-timeline::before {
  content: "";
  position: absolute;
  left: calc(var(--about-dot) / 2 - var(--about-line) / 2);
  top: 0;
  bottom: 0;
  width: var(--about-line);
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-support), var(--color-accent));
  opacity: 0.8;
}

.page-about .milestone-item {
  position: relative;
  padding: 0 0 32px calc(var(--about-dot) + 24px);
}

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

.page-about .milestone-item:first-child .milestone-card::after {
  content: "起点";
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 107, 53, 0.5);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.page-about .milestone-year {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--about-dot);
  height: var(--about-dot);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 6px var(--about-glow);
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  z-index: 1;
}

.page-about .milestone-card {
  background: var(--color-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: #fff;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .milestone-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.page-about .milestone-card img {
  width: 128px;
  height: 128px;
  border-radius: var(--radius-md);
  object-fit: cover;
  display: block;
  margin: 0 0 16px;
}

.page-about .milestone-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 0 0 8px;
}

.page-about .milestone-card p {
  margin: 0;
  color: rgba(245, 247, 250, 0.82);
  line-height: 1.6;
}

.page-about .about-services {
  background: var(--color-dark);
  padding: 96px 0;
}

.page-about .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .service-card {
  position: relative;
  overflow: hidden;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 32px 28px 28px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-support));
}

.page-about .service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.page-about .service-no {
  font-family: var(--font-number);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-about .service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 0;
}

.page-about .service-card p {
  margin: 0;
  color: rgba(245, 247, 250, 0.82);
  line-height: 1.7;
  flex: 1;
}

.page-about .service-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 107, 53, 0.4);
}

.page-about .service-link:hover {
  border-bottom-color: var(--color-accent);
}

.page-about .about-strength {
  background: var(--color-primary);
  padding: 96px 0;
}

.page-about .strength-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.page-about .strength-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.page-about .strength-content .section-kicker {
  color: var(--color-accent);
}

.page-about .strength-content p {
  color: rgba(245, 247, 250, 0.85);
  line-height: 1.7;
}

.page-about .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.page-about .stat-cell {
  background: rgba(18, 59, 110, 0.55);
  border: 1px solid rgba(138, 43, 226, 0.35);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  color: #fff;
  min-height: 96px;
}

.page-about .stat-label {
  display: block;
  font-size: 0.82rem;
  color: rgba(245, 247, 250, 0.7);
  line-height: 1.4;
}

.page-about .stat-value {
  display: block;
  font-family: var(--font-number);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 8px;
}

.page-about .about-honors {
  background: var(--color-dark);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-honors::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.35), transparent 65%);
  pointer-events: none;
}

.page-about .honors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .honor-card {
  background: var(--color-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: #fff;
  position: relative;
  z-index: 1;
}

.page-about .honor-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.page-about .honor-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin: 0 0 10px;
}

.page-about .honor-card p {
  margin: 0;
  color: rgba(245, 247, 250, 0.8);
  line-height: 1.6;
}

.page-about .about-cta {
  background: var(--gradient-main);
  color: #fff;
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-about .about-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.page-about .about-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 14px;
  transform: skewX(-5deg);
}

.page-about .about-cta p {
  color: rgba(245, 247, 250, 0.85);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 28px;
}

.page-about .about-cta .section-kicker {
  color: var(--color-accent);
}

.page-about .about-cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 640px) {
  .page-about .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .story-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    min-height: 780px;
  }

  .page-about .about-milestones {
    padding: 112px 0;
  }

  .page-about .milestone-timeline {
    padding-top: 12px;
  }

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

  .page-about .milestone-item {
    width: 50%;
    padding: 0 56px 56px 0;
    margin-bottom: 0;
  }

  .page-about .milestone-item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 56px 56px;
  }

  .page-about .milestone-item:nth-child(odd) .milestone-year {
    left: auto;
    right: calc(-1 * var(--about-dot) / 2);
  }

  .page-about .milestone-item:nth-child(even) .milestone-year {
    left: calc(-1 * var(--about-dot) / 2);
  }

  .page-about .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .honors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-about .strength-layout {
    grid-template-columns: 5fr 7fr;
  }

  .page-about .about-services,
  .page-about .about-strength,
  .page-about .about-honors,
  .page-about .about-cta {
    padding: 112px 0;
  }
}