.page-about {
  --about-line: rgba(212, 175, 55, 0.24);
  --about-panel-dim: rgba(26, 58, 92, 0.45);
  --about-red-deep: rgba(192, 57, 43, 0.75);
  position: relative;
  background:
    repeating-linear-gradient(0deg, rgba(245, 239, 224, 0.018) 0px, rgba(245, 239, 224, 0.018) 1px, transparent 1px, transparent 4px),
    linear-gradient(180deg, var(--color-bg-grad) 0%, var(--color-bg) 34%, var(--color-bg-deep) 100%);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 6rem;
}

.page-about .section {
  margin-top: 4rem;
}

.page-about .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-gold-bright);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about .eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--color-red);
  transform: skewX(-32deg);
}

.page-about .section-head {
  max-width: 760px;
  margin-bottom: 3rem;
}

.page-about .section-head h2,
.page-about .about-origin-copy h2,
.page-about .about-culture-copy h2,
.page-about .about-team > .section-head h2 {
  margin: 0 0 0.75rem;
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.page-about .section-head p:not(.eyebrow),
.page-about .about-origin-copy p:not(.eyebrow),
.page-about .about-culture-copy p:not(.eyebrow) {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-about .breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.4rem 1.25rem 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.page-about .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0.35rem;
}

.page-about .breadcrumb-list li + li::before {
  content: '›';
  margin-right: 0.35rem;
  color: var(--color-gold-dark);
}

.page-about .breadcrumb-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.page-about .breadcrumb-list a:hover,
.page-about .breadcrumb-list a:focus-visible {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 78% 18%, rgba(14, 42, 71, 0.85) 0%, rgba(8, 20, 37, 0.92) 60%, transparent 100%),
    linear-gradient(120deg, var(--color-bg-deep) 0%, var(--color-bg) 55%, var(--color-bg-grad) 100%);
  border-bottom: 1px solid var(--color-gold-dark);
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(212, 175, 55, 0.05) 0 1px, transparent 1px 18px),
    radial-gradient(circle at 12% 85%, rgba(212, 175, 55, 0.08) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 5px;
  background: linear-gradient(90deg, var(--color-red) 0%, var(--color-gold) 45%, var(--color-gold-bright) 100%);
  opacity: 0.85;
}

.page-about .about-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.4rem 1.25rem 3rem;
  min-height: 420px;
  align-items: center;
}

.page-about .about-hero-copy {
  max-width: 820px;
  z-index: 1;
}

.page-about .about-hero h1 {
  margin: 0.5rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5vw, 2.85rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.02em;
  background: linear-gradient(112deg, var(--color-gold) 8%, var(--color-paper) 48%, var(--color-gold) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero-lead {
  max-width: 40rem;
  margin: 0 0 1rem;
  color: var(--color-paper);
  font-size: 0.98rem;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

.page-about .about-hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-gold-dark);
  background: rgba(26, 58, 92, 0.35);
  color: var(--color-gold-bright);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.page-about .about-hero-meta::before {
  content: '◆';
  color: var(--color-red);
  font-size: 0.62rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.page-about .btn:focus-visible {
  outline: 2px solid var(--color-gold-bright);
  outline-offset: 3px;
}

.page-about .btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  border: 1px solid rgba(245, 239, 224, 0.28);
  color: var(--color-bg-deep);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.24);
}

.page-about .btn-primary:hover,
.page-about .btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.34);
}

.page-about .btn-ghost {
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.55);
  color: var(--color-gold);
}

.page-about .btn-ghost:hover,
.page-about .btn-ghost:focus-visible {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.page-about .about-hero-vertical {
  display: none;
  writing-mode: vertical-rl;
  text-orientation: upright;
  justify-self: end;
  align-self: end;
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: 0.28em;
  color: rgba(212, 175, 55, 0.38);
  padding: 0.8rem 0.4rem 1.6rem;
  border-left: 1px solid rgba(212, 175, 55, 0.4);
  position: relative;
}

.page-about .about-hero-vertical::after {
  content: '十年经典';
  font-size: 0.72rem;
  color: var(--color-gold-dark);
  letter-spacing: 0.3em;
  margin-top: 1rem;
}

.page-about .about-origin-layout,
.page-about .about-culture-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  align-items: center;
}

.page-about .about-origin-copy h2,
.page-about .about-culture-copy h2 {
  margin-bottom: 1rem;
}

.page-about .about-origin-copy p,
.page-about .about-culture-copy p {
  margin: 0 0 0.9rem;
}

.page-about .about-origin-quote {
  margin-top: 1.2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-red);
  color: var(--color-gold-bright) !important;
  font-style: italic;
  font-size: 0.92rem !important;
}

.page-about .about-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  max-width: 240px;
}

.page-about .about-badge img {
  width: 100%;
  height: auto;
  max-width: 200px;
  border-radius: 6px;
  border: 2px solid var(--color-gold-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transform: rotate(-2deg);
}

.page-about .about-badge figcaption,
.page-about .about-client-figure figcaption,
.page-about .about-notebook-figure figcaption {
  margin-top: 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-align: center;
  letter-spacing: 0.14em;
}

.page-about .about-journey {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4rem 1.25rem 0;
}

.page-about .about-journey::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold-dark) 0%, rgba(212, 175, 55, 0.5) 12%, rgba(212, 175, 55, 0.15) 85%, transparent 100%);
  transform: translateX(-50%);
  z-index: 0;
}

.page-about .about-client-figure {
  max-width: 480px;
  margin: 0 auto 3rem;
  text-align: center;
}

.page-about .about-client-figure img {
  width: 100%;
  height: auto;
  max-width: 400px;
  border: 1px solid var(--color-gold-dark);
  box-shadow: var(--shadow-card);
  border-radius: 4px;
}

.page-about .about-timeline {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 2.2rem;
  padding-bottom: 2.4rem;
  max-width: 620px;
}

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

.page-about .about-timeline-item::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.4rem;
  bottom: -0.4rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-gold-dark), rgba(212, 175, 55, 0.1));
}

.page-about .about-timeline-item:last-child::before {
  display: none;
}

.page-about .about-timeline-dot {
  position: absolute;
  left: 0.2rem;
  top: 0.5rem;
  width: 13px;
  height: 13px;
  background: var(--color-gold);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.16), 0 0 14px rgba(212, 175, 55, 0.4);
}

.page-about .about-timeline-item:first-child .about-timeline-dot {
  background: var(--color-red);
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.18), 0 0 16px rgba(192, 57, 43, 0.45);
}

.page-about .about-timeline-card {
  position: relative;
  background: linear-gradient(145deg, rgba(26, 58, 92, 0.62) 0%, rgba(11, 26, 51, 0.82) 100%);
  border: 1px solid rgba(212, 175, 55, 0.32);
  padding: 1.3rem 1.4rem;
  border-radius: 0 12px 12px 12px;
  clip-path: var(--card-notch);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.page-about .about-timeline-card:hover,
.page-about .about-timeline-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-float);
}

.page-about .about-timeline-year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-gold-bright);
  letter-spacing: 0.14em;
  margin-bottom: 0.3rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.7);
  padding-bottom: 0.15rem;
}

.page-about .about-timeline-card h3 {
  margin: 0.45rem 0 0.3rem;
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.page-about .about-timeline-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-about .about-culture {
  margin-top: 4.5rem;
  padding: 4rem 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(14, 42, 71, 0.42) 8%, rgba(14, 42, 71, 0.42) 92%, transparent 100%),
    var(--color-bg-deep);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.page-about .about-culture-layout {
  padding: 0 1.25rem;
}

.page-about .about-culture-copy p {
  margin-bottom: 0.9rem;
}

.page-about .about-notebook-figure {
  margin: 0;
  text-align: center;
}

.page-about .about-notebook-figure img {
  width: 100%;
  height: auto;
  max-width: 360px;
  border: 1px solid var(--color-gold-dark);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
}

.page-about .about-team {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4.5rem 1.25rem 0;
}

.page-about .about-team-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: 2.8rem;
}

.page-about .about-team-card {
  background: linear-gradient(150deg, rgba(26, 58, 92, 0.6) 0%, rgba(11, 26, 51, 0.88) 100%);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 1.4rem 1.5rem;
  clip-path: var(--card-notch);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.page-about .about-team-card:hover,
.page-about .about-team-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}

.page-about .about-team-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about .about-team-card h3::before {
  content: '◆';
  font-size: 0.6rem;
  color: var(--color-red);
}

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

.page-about .about-team-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.page-about .about-stat {
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 4px;
  padding: 1.1rem 0.8rem;
  text-align: center;
}

.page-about .about-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 800;
  color: var(--color-gold-bright);
  letter-spacing: 0.02em;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.page-about .about-team-note {
  max-width: 640px;
  margin: 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-red);
  background: rgba(192, 57, 43, 0.06);
  color: var(--color-text);
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-about .about-team-note a {
  color: var(--color-gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-links {
  max-width: var(--container-max);
  margin: 4rem auto 0;
  padding: 0 1.25rem;
}

.page-about .about-links h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-gold);
  margin: 0 0 1.4rem;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.page-about .about-links h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-gold-dark), transparent);
}

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

.page-about .about-link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: rgba(26, 58, 92, 0.4);
  border: 1px solid rgba(212, 175, 55, 0.24);
  border-radius: 8px;
  text-decoration: none;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.page-about .about-link-card:hover,
.page-about .about-link-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-float);
}

.page-about .about-link-index {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-red);
  letter-spacing: 0.08em;
}

.page-about .about-link-label {
  font-size: 0.92rem;
  color: var(--color-paper);
  font-weight: 500;
}

.page-about .chapter-index {
  position: fixed;
  right: 0.8rem;
  bottom: 0.7rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: rgba(212, 175, 55, 0.46);
  letter-spacing: 0.3em;
  z-index: 5;
  writing-mode: vertical-rl;
  text-orientation: upright;
}

.page-about .img-frame {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.page-about .img-frame img {
  max-width: 100%;
  height: auto;
}

@media (min-width: 640px) {
  .page-about .about-peo {
    display: block;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-about .about-hero-layout {
    padding: 3.2rem 2rem 4rem;
  }

  .page-about .about-hero-vertical {
    display: block;
    justify-self: end;
    align-self: center;
    font-size: 4rem;
  }

  .page-about .about-hero-copy {
    padding-right: 8rem;
  }

  .page-about .about-origin-layout {
    grid-template-columns: 1.4fr 1fr;
    padding: 0 2rem;
  }

  .page-about .about-culture-layout {
    grid-template-columns: 1.4fr 1fr;
    padding: 0 2rem;
  }

  .page-about .about-journey {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-about .about-team {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-about .about-team-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-links {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-about .about-links-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    padding: 4.5rem 2rem 5.5rem;
    min-height: 480px;
  }

  .page-about .about-hero h1 {
    font-size: 2.85rem;
    max-width: 24ch;
  }

  .page-about .about-hero-lead {
    max-width: 34rem;
    font-size: 1.02rem;
  }

  .page-about .about-hero-vertical {
    display: block;
    font-size: 4.6rem;
  }

  .page-about .about-origin-layout,
  .page-about .about-culture-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 1fr);
    gap: 3.5rem;
    padding: 0 2rem;
  }

  .page-about .about-badge {
    justify-self: end;
  }

  .page-about .about-badge img {
    transform: rotate(-3deg);
    transition: transform var(--dur-base) var(--ease-out);
  }

  .page-about .about-badge img:hover {
    transform: rotate(0deg) scale(1.03);
  }

  .page-about .about-journey {
    padding-top: 5rem;
  }

  .page-about .about-client-figure {
    max-width: 560px;
  }

  .page-about .about-timeline-item {
    width: calc(50% - 3rem);
    padding-left: 0;
    margin-left: 0;
  }

  .page-about .about-timeline-item::before {
    left: auto;
    right: -3rem;
    width: 1px;
  }

  .page-about .about-timeline-item .about-timeline-dot {
    left: auto;
    right: -3.23rem;
    top: 0.55rem;
  }

  .page-about .about-timeline-item:nth-child(even) {
    margin-left: calc(50% + 3rem);
  }

  .page-about .about-timeline-item:nth-child(even)::before {
    right: auto;
    left: -3rem;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-dot {
    right: auto;
    left: -3.23rem;
  }

  .page-about .about-timeline-card {
    padding: 1.5rem 1.6rem;
  }

  .page-about .about-team-values {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-about .about-team-stats {
    gap: 1.4rem;
  }

  .page-about .about-links {
    padding: 0 2rem;
  }

  .page-about .about-links-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
  }
}

@media (min-width: 1240px) {
  .page-about .about-hero-layout {
    padding-left: 0;
    padding-right: 0;
  }

  .page-about .about-origin-layout,
  .page-about .about-culture-layout {
    padding-left: 0;
    padding-right: 0;
  }

  .page-about .about-culture {
    padding-left: 0;
    padding-right: 0;
  }

  .page-about .about-journey {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  .page-about .about-timeline-card:hover,
  .page-about .about-team-card:hover,
  .page-about .about-link-card:hover {
    transform: none;
  }

  .page-about .about-badge img {
    transform: none;
  }

  .page-about .about-badge img:hover {
    transform: none;
  }
}