.page-about {
  --about-gap: clamp(4rem, 8vw, 7rem);
  --about-gap-sm: clamp(2.5rem, 5vw, 4rem);
  --about-line: 1px solid var(--grid-line);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 70vh;
}

.page-about .container {
  width: min(100% - 2 * var(--container-pad), var(--content-max));
  margin-inline: auto;
}

.page-about .section-band {
  padding-block: var(--about-gap-sm);
  position: relative;
}

.page-about .section-band-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-about .section-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--neon-purple-light);
  background: rgba(138, 43, 226, 0.1);
  border: 1px solid rgba(138, 43, 226, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
}

.page-about .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.03em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin: 0;
}

.page-about .scan-line {
  flex: 1;
  height: 1px;
  min-width: 24px;
  background: linear-gradient(90deg, rgba(138, 43, 226, 0.6), rgba(0, 212, 255, 0.18), transparent);
}

.page-about .grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-about .col-5,
.page-about .col-6,
.page-about .col-7,
.page-about .col-offset-1 {
  grid-column: 1 / -1;
  min-width: 0;
}

.page-about .text-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-about .content-block p {
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

.page-about .image-zone {
  display: block;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--grid-line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.page-about .image-zone img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ----------------------------------------- */
/* Hero */
/* ----------------------------------------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(3.5rem, 7vw, 6rem) var(--about-gap-sm);
  border-bottom: var(--about-line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  width: 38%;
  max-width: 420px;
  height: 78%;
  top: 6%;
  left: -8%;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.24), rgba(0, 212, 255, 0.06));
  filter: blur(42px);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22%;
  height: 5px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), var(--esports-blue));
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.page-about .about-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  position: relative;
}

.page-about .about-hero-title h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 1rem 0 0;
}

.page-about .text-gradient {
  background: linear-gradient(90deg, var(--neon-purple-light), var(--esports-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
}

.page-about .about-hero-copy {
  align-self: end;
  border-left: 2px solid var(--esports-blue);
  padding-left: 1.25rem;
}

.page-about .about-hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  max-width: 40rem;
}

.page-about .about-status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-top: 1.5rem;
}

.page-about .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.06);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.page-about .status-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--esports-blue);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.8);
}

/* ----------------------------------------- */
/* 品牌使命 */
/* ----------------------------------------- */
.page-about .about-mission {
  border-bottom: var(--about-line);
  background: linear-gradient(180deg, rgba(18, 18, 26, 0.4), rgba(10, 10, 15, 0));
}

.page-about .about-mission .content-block {
  margin: 0;
  padding-left: 1.25rem;
  border-left: 2px solid var(--neon-purple);
}

.page-about .mission-principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about .mission-principles li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: rgba(26, 26, 40, 0.8);
  border: var(--about-line);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .mission-principles li:hover {
  border-color: var(--neon-purple-light);
  transform: translateX(4px);
}

.page-about .principle-index {
  font-family: var(--font-display);
  color: var(--neon-purple-light);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.6;
  min-width: 1.8rem;
}

.page-about .principle-text {
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ----------------------------------------- */
/* 发展历程 */
/* ----------------------------------------- */
.page-about .about-history {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.32)),
    repeating-linear-gradient(90deg, rgba(138, 43, 226, 0.03) 0 1px, transparent 1px 80px);
}

.page-about .history-panel {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.page-about .history-image {
  aspect-ratio: 2 / 1;
}

.page-about .history-panel .text-meta {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--neon-purple);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 2.75rem;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-purple), var(--esports-blue));
  opacity: 0.35;
}

.page-about .timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  background: rgba(26, 26, 40, 0.78);
  border: var(--about-line);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.page-about .timeline-item:hover {
  border-color: var(--esports-blue);
  background: rgba(0, 212, 255, 0.05);
}

.page-about .timeline-year {
  grid-column: 1;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--esports-blue);
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.page-about .timeline-content {
  grid-column: 2;
  padding-top: 0.2rem;
}

.page-about .timeline-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.page-about .timeline-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* ----------------------------------------- */
/* 服务规模与数据 */
/* ----------------------------------------- */
.page-about .about-stats-section {
  border-bottom: var(--about-line);
  background: linear-gradient(180deg, rgba(10, 10, 15, 0), rgba(18, 18, 26, 0.6));
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-about .stat-item {
  background: var(--bg-surface);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  position: relative;
  overflow: hidden;
}

.page-about .stat-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-purple), var(--esports-blue));
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  color: var(--text-primary);
  line-height: 1.2;
}

.page-about .stat-unit {
  font-size: 0.55em;
  color: var(--esports-blue);
  margin-left: 0.15em;
}

.page-about .stat-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 12rem;
}

.page-about .team-image {
  aspect-ratio: 3 / 2;
}

.page-about .about-capability-copy {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-capability-copy p {
  margin: 0 0 1rem;
}

.page-about .about-capability-copy .text-meta {
  border-left: 2px solid var(--vibrant-orange);
  padding-left: 1rem;
  font-size: 0.85rem;
}

/* ----------------------------------------- */
/* 资质认证与荣誉 */
/* ----------------------------------------- */
.page-about .honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .honor-item {
  display: flex;
  gap: 1.25rem;
  background: rgba(18, 18, 26, 0.75);
  border: var(--about-line);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.page-about .honor-item:hover {
  border-color: var(--vibrant-orange);
  background: rgba(255, 106, 0, 0.05);
}

.page-about .honor-year {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--vibrant-orange);
  font-size: 1.2rem;
  min-width: 3rem;
  line-height: 1.4;
  padding-top: 0.1rem;
}

.page-about .honor-info strong {
  display: block;
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 0.35rem;
  letter-spacing: 0.01em;
}

.page-about .honor-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-about .tech-image {
  aspect-ratio: 3 / 2;
  margin-bottom: 1rem;
}

.page-about .honor-footnote {
  padding: 1rem 1.25rem;
  border: var(--about-line);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.page-about .honor-footnote p {
  margin: 0 0 0.35rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-about .honor-footnote p:last-child {
  margin-bottom: 0;
}

/* ----------------------------------------- */
/* 合作伙伴与生态 */
/* ----------------------------------------- */
.page-about .about-ecosystem {
  border-bottom: var(--about-line);
  background: linear-gradient(180deg, rgba(10, 10, 15, 0), rgba(138, 43, 226, 0.06));
}

.page-about .ecosystem-panel {
  border: 1px solid rgba(138, 43, 226, 0.35);
  background: rgba(18, 18, 26, 0.8);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.page-about .ecosystem-panel h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-about .ecosystem-panel ul {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-about .ecosystem-panel li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

.page-about .ecosystem-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--neon-purple-light);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

/* ----------------------------------------- */
/* CTA */
/* ----------------------------------------- */
.page-about .about-cta {
  padding-block: var(--about-gap);
}

.page-about .about-cta-panel {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.18), rgba(0, 212, 255, 0.08)), rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(138, 43, 226, 0.3);
}

.page-about .cta-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--text-primary);
  margin: 0.75rem 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-about .cta-copy p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  max-width: 34rem;
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ----------------------------------------- */
/* 桌面端增强 */
/* ----------------------------------------- */
@media (min-width: 900px) {

  .page-about .section-band {
    padding-block: var(--about-gap);
  }

  .page-about .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 2rem;
  }

  .page-about .col-5 {
    grid-column: span 5;
  }

  .page-about .col-6 {
    grid-column: span 6;
  }

  .page-about .col-7 {
    grid-column: span 7;
  }

  .page-about .col-offset-1 {
    grid-column-start: 7;
  }

  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 4rem;
    align-items: end;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
  }

  .page-about .stat-label {
    max-width: none;
  }

  .page-about .about-cta-panel {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
  }

}