.page-about {
  --about-border-gold: 4px solid var(--color-gold, #F4A261);
  --about-border-blue: 4px solid var(--color-primary-blue, #1D3557);
  --about-stat-bg: rgba(244, 162, 97, 0.08);
  --about-card-radius: 0;
  --about-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
}

/* ── 面包屑 ── */
.page-about .breadcrumb {
  padding: 1rem 1.25rem 0;
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.875rem;
  color: var(--color-text-light, #FFFFFF);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}
.page-about .breadcrumb a {
  color: var(--color-gold, #F4A261);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--about-transition);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-gold, #F4A261);
}
.page-about .breadcrumb-sep {
  color: var(--color-divider, #1D3557);
  font-weight: 700;
}
.page-about .breadcrumb [aria-current="page"] {
  color: var(--color-text-light, #FFFFFF);
  font-weight: 600;
  opacity: 0.85;
}

/* ── 首屏 Hero ── */
.page-about .hero-panel {
  background: var(--color-bg-dark, #0A1A2E);
  border-bottom: var(--about-border-gold);
  padding: 2.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.page-about .hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  background: var(--color-primary-red, #E63946);
  clip-path: polygon(25% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.12;
  pointer-events: none;
}
.page-about .hero-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  z-index: 1;
}
.page-about .hero-text {
  flex: 1 1 100%;
}
.page-about .hero-text h1 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 2.8rem;
  line-height: 1.1;
  color: var(--color-text-light, #FFFFFF);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-about .hero-subtitle {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 1.25rem;
  color: var(--color-gold, #F4A261);
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-about .hero-desc {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-light, #FFFFFF);
  max-width: 42em;
  margin: 0 0 1.75rem;
  opacity: 0.9;
}
.page-about .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
}
.page-about .stat-item {
  display: flex;
  flex-direction: column;
  background: var(--about-stat-bg);
  border-left: var(--about-border-gold);
  padding: 0.5rem 1rem 0.5rem 0.75rem;
  min-width: 8rem;
}
.page-about .stat-number {
  font-family: var(--font-numbers, Oswald, Impact, sans-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold, #F4A261);
  line-height: 1.2;
}
.page-about .stat-label {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-light, #FFFFFF);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.page-about .hero-image {
  flex: 0 0 auto;
  max-width: 100%;
  border: var(--about-border-gold);
  box-shadow: var(--shadow-strong, 0 8px 20px rgba(0,0,0,0.3));
  background: var(--color-primary-blue, #1D3557);
}
.page-about .hero-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ── 关于乐竞 ── */
.page-about .about-intro {
  padding: 3rem 0;
  border-bottom: var(--about-border-blue);
}
.page-about .about-intro h2 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 2rem;
  color: var(--color-gold, #F4A261);
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  display: inline-block;
}
.page-about .about-intro h2::after {
  content: "";
  display: block;
  width: 60%;
  height: 4px;
  background: var(--color-primary-red, #E63946);
  margin-top: 0.35rem;
}
.page-about .about-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-about .about-content p {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-light, #FFFFFF);
  max-width: 52em;
  margin: 0;
  opacity: 0.92;
}

/* ── 核心能力 ── */
.page-about .capabilities {
  background: var(--color-light, #F1FAEE);
  padding: 3rem 0;
  border-bottom: var(--about-border-gold);
}
.page-about .capabilities h2 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 2rem;
  color: var(--color-primary-blue, #1D3557);
  margin: 0 0 1.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  display: inline-block;
}
.page-about .capabilities h2::after {
  content: "";
  display: block;
  width: 50%;
  height: 4px;
  background: var(--color-primary-red, #E63946);
  margin-top: 0.35rem;
}
.page-about .capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-about .capability-card {
  background: var(--color-text-light, #FFFFFF);
  border: 3px solid var(--color-primary-blue, #1D3557);
  border-radius: var(--about-card-radius);
  padding: 1.75rem 1.25rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: transform var(--about-transition), box-shadow var(--about-transition), border-color var(--about-transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 18rem;
}
.page-about .capability-card:hover,
.page-about .capability-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
  border-color: var(--color-gold, #F4A261);
}
.page-about .capability-card .card-icon {
  margin-bottom: 1rem;
  flex-shrink: 0;
  transition: transform 0.6s ease;
}
.page-about .capability-card:hover .card-icon,
.page-about .capability-card:focus-within .card-icon {
  transform: rotateY(180deg);
}
.page-about .capability-card .card-icon img {
  display: block;
  width: 100px;
  height: 100px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 0;
}
.page-about .capability-card h3 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 1.2rem;
  color: var(--color-primary-blue, #1D3557);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-about .capability-card > p {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-dark, #1A1A1A);
  margin: 0;
  max-width: 22em;
}
.page-about .card-flip-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-dark, #0A1A2E);
  color: var(--color-text-light, #FFFFFF);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--about-transition);
  border: 3px solid var(--color-gold, #F4A261);
}
.page-about .capability-card:hover .card-flip-back,
.page-about .capability-card:focus-within .card-flip-back {
  opacity: 1;
  pointer-events: auto;
}
.page-about .card-flip-back p {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
  max-width: 22em;
  text-align: center;
}

/* ── 数据展示 ── */
.page-about .data-showcase {
  background: var(--color-primary-blue, #1D3557);
  padding: 3rem 0;
  border-bottom: var(--about-border-gold);
  border-top: var(--about-border-gold);
}
.page-about .data-showcase h2 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 2rem;
  color: var(--color-gold, #F4A261);
  margin: 0 0 2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  display: inline-block;
}
.page-about .data-showcase h2::after {
  content: "";
  display: block;
  width: 50%;
  height: 4px;
  background: var(--color-primary-red, #E63946);
  margin-top: 0.35rem;
}
.page-about .data-visual {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.page-about .data-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  gap: 0.25rem 1rem;
  align-items: center;
  background: rgba(255,255,255,0.04);
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-gold, #F4A261);
  transition: background var(--about-transition);
}
.page-about .data-bar:hover,
.page-about .data-bar:focus-within {
  background: rgba(244, 162, 97, 0.12);
}
.page-about .data-label {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light, #FFFFFF);
  grid-row: 1;
  grid-column: 1;
}
.page-about .data-value {
  font-family: var(--font-numbers, Oswald, Impact, sans-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-gold, #F4A261);
  grid-row: 1;
  grid-column: 2;
  text-align: right;
  white-space: nowrap;
}
.page-about .bar-track {
  grid-row: 2;
  grid-column: 1 / -1;
  height: 12px;
  background: rgba(255,255,255,0.12);
  border-radius: 0;
  overflow: hidden;
  position: relative;
}
.page-about .bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-red, #E63946), var(--color-gold, #F4A261));
  border-radius: 0;
  transition: width 0.6s ease;
  position: relative;
}
.page-about .bar-fill::after {
  content: attr(data-value);
  display: none;
}
.page-about .bar-hint {
  grid-row: 3;
  grid-column: 1 / -1;
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.75rem;
  color: var(--color-text-light, #FFFFFF);
  opacity: 0.55;
  margin-top: 0.1rem;
  letter-spacing: 0.04em;
}
.page-about .data-bar:hover .bar-hint,
.page-about .data-bar:focus-within .bar-hint {
  opacity: 0.9;
  transition: opacity var(--about-transition);
}

/* ── 服务理念 ── */
.page-about .philosophy {
  background: var(--color-text-light, #FFFFFF);
  padding: 3rem 0;
  border-bottom: var(--about-border-blue);
}
.page-about .philosophy h2 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 2rem;
  color: var(--color-primary-blue, #1D3557);
  margin: 0 0 2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  display: inline-block;
}
.page-about .philosophy h2::after {
  content: "";
  display: block;
  width: 50%;
  height: 4px;
  background: var(--color-primary-red, #E63946);
  margin-top: 0.35rem;
}
.page-about .philosophy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-about .philosophy-item {
  border: 3px solid var(--color-divider, #1D3557);
  padding: 2rem 1.5rem;
  background: var(--color-neutral-light, #F1FAEE);
  transition: transform var(--about-transition), border-color var(--about-transition), box-shadow var(--about-transition);
  position: relative;
}
.page-about .philosophy-item:hover,
.page-about .philosophy-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--color-gold, #F4A261);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.page-about .philosophy-num {
  font-family: var(--font-numbers, Oswald, Impact, sans-serif);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-primary-red, #E63946);
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.3;
  transition: opacity var(--about-transition);
}
.page-about .philosophy-item:hover .philosophy-num,
.page-about .philosophy-item:focus-within .philosophy-num {
  opacity: 0.7;
}
.page-about .philosophy-item h3 {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 1.3rem;
  color: var(--color-primary-blue, #1D3557);
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-about .philosophy-item p {
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-dark, #1A1A1A);
  margin: 0;
  max-width: 30em;
}

/* ── 信任区域 ── */
.page-about .trust-section {
  padding: 3rem 0;
  text-align: center;
  border-bottom: var(--about-border-gold);
}
.page-about .trust-statement {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  font-size: 1.3rem;
  color: var(--color-gold, #F4A261);
  max-width: 32em;
  margin: 0 auto 2rem;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-about .trust-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.page-about .trust-links .btn {
  font-family: var(--font-headings, Anton, Impact, sans-serif);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 2rem;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform var(--about-transition), border-color var(--about-transition), background var(--about-transition);
  text-decoration: none;
  display: inline-block;
  font-size: 1rem;
}
.page-about .trust-links .btn:hover,
.page-about .trust-links .btn:focus-visible {
  transform: scale(1.04);
}
.page-about .trust-links .btn-primary {
  background: var(--color-primary-red, #E63946);
  color: var(--color-text-light, #FFFFFF);
  border-color: var(--color-primary-red, #E63946);
}
.page-about .trust-links .btn-primary:hover,
.page-about .trust-links .btn-primary:focus-visible {
  background: var(--color-hover-gold, #E76F51);
  border-color: var(--color-hover-gold, #E76F51);
}
.page-about .trust-links .btn-secondary {
  background: transparent;
  color: var(--color-gold, #F4A261);
  border-color: var(--color-gold, #F4A261);
}
.page-about .trust-links .btn-secondary:hover,
.page-about .trust-links .btn-secondary:focus-visible {
  background: rgba(244, 162, 97, 0.12);
  border-color: var(--color-hover-gold, #E76F51);
  color: var(--color-hover-gold, #E76F51);
}

/* ── 全局容器复用 ── */
.page-about .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.page-about .text-center {
  text-align: center;
}

/* ── 媒体查询 ── */
@media (min-width: 640px) {
  .page-about .hero-text h1 {
    font-size: 3.2rem;
  }
  .page-about .hero-subtitle {
    font-size: 1.4rem;
  }
  .page-about .hero-grid {
    flex-direction: row;
    align-items: center;
  }
  .page-about .hero-text {
    flex: 1 1 58%;
  }
  .page-about .hero-image {
    flex: 0 0 38%;
    max-width: 38%;
  }
  .page-about .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .philosophy-num {
    font-size: 3.6rem;
  }
  .page-about .data-visual {
    max-width: 80%;
  }
}

@media (min-width: 960px) {
  .page-about .hero-text h1 {
    font-size: 3.8rem;
  }
  .page-about .hero-subtitle {
    font-size: 1.5rem;
  }
  .page-about .hero-image {
    flex: 0 0 34%;
    max-width: 34%;
  }
  .page-about .capabilities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .philosophy-num {
    font-size: 4.2rem;
  }
  .page-about .stat-number {
    font-size: 2.4rem;
  }
  .page-about .data-visual {
    max-width: 70%;
  }
  .page-about .about-content {
    flex-direction: row;
    gap: 2.5rem;
  }
  .page-about .about-content p {
    flex: 1;
  }
}

@media (min-width: 1200px) {
  .page-about .hero-text h1 {
    font-size: 4.2rem;
  }
  .page-about .hero-panel {
    padding: 3.5rem 0 4rem;
  }
  .page-about .stat-number {
    font-size: 2.8rem;
  }
  .page-about .trust-statement {
    font-size: 1.5rem;
  }
}

/* ── 辅助 ── */
@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-about .capability-card:hover .card-icon,
  .page-about .capability-card:focus-within .card-icon {
    transform: none;
  }
  .page-about .card-flip-back {
    display: none;
  }
  .page-about .capability-card:hover .card-flip-back,
  .page-about .capability-card:focus-within .card-flip-back {
    display: none;
  }
}

.page-about {
  --color-neutral-light: transparent;
}