.page-about {
  --about-gold: #D4AF37;
  --about-neon: #00C2FF;
  --about-bg-deep: #1A0A2E;
  --about-bg-card: #2D1B4E;
  --about-text-light: #F5F5F5;
  --about-text-muted: #B0A0C0;
  --about-border: #4A2D6E;
  --about-radius: 12px;
  --about-transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== 品牌档案页 移动端优先 ===== */

/* 面包屑 */
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.8rem;
  color: var(--about-text-muted);
  margin-bottom: 1.2rem;
  padding: 0;
  list-style: none;
}
.page-about .breadcrumb a {
  color: var(--about-text-muted);
  text-decoration: none;
  transition: color var(--about-transition);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--about-neon);
}
.page-about .breadcrumb span[aria-current="page"] {
  color: var(--about-gold);
  font-weight: 600;
}

/* ===== Hero 区 ===== */
.page-about .about-hero {
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle at 30% 40%, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-about .about-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  z-index: 1;
}
.page-about .about-hero-text {
  flex: 1 1 100%;
}
.page-about .about-hero-title {
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--about-text-light);
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}
.page-about .about-hero-title .text-gold {
  color: var(--about-gold);
  display: block;
}
.page-about .about-hero-subtitle {
  font-family: var(--font-accent, 'Dancing Script', cursive);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  color: var(--about-gold);
  margin: 0 0 0.8rem;
  line-height: 1.3;
}
.page-about .about-hero-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--about-text-muted);
  max-width: 36em;
  margin: 0;
}
.page-about .about-hero-visual {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-about .about-badge-img {
  max-width: 200px;
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.15), 0 0 80px rgba(0, 194, 255, 0.05);
  transition: transform var(--about-transition), box-shadow var(--about-transition);
}
.page-about .about-badge-img:hover {
  transform: scale(1.03);
  box-shadow: 0 0 60px rgba(212, 175, 55, 0.25), 0 0 100px rgba(0, 194, 255, 0.08);
}

/* ===== 通用区块 ===== */
.page-about .about-section {
  padding: 3.5rem 0;
  position: relative;
}
.page-about .about-section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.page-about .about-section-title {
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--about-text-light);
  margin: 0.8rem 0 0.6rem;
  letter-spacing: -0.01em;
}
.page-about .about-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--about-gold), var(--about-neon));
  margin: 0 auto;
  border-radius: 2px;
}
.page-about .badge {
  display: inline-block;
  padding: 0.2rem 1rem;
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-bg-deep);
  background: linear-gradient(135deg, var(--about-gold), #E8C84A);
  border-radius: 20px;
}

/* ===== 服务区 ===== */
.page-about .about-service {
  background: var(--about-bg-deep);
  overflow: hidden;
}
.page-about .about-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-about .about-service-card {
  background: var(--about-bg-card);
  border-radius: var(--about-radius);
  padding: 2rem 1.5rem;
  position: relative;
  transition: transform var(--about-transition), box-shadow var(--about-transition);
  border: 1px solid var(--about-border);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.page-about .about-service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  border-color: rgba(212, 175, 55, 0.3);
}
.page-about .about-service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--about-gold), #B8962A);
  position: relative;
}
.page-about .about-service-icon::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--about-bg-card);
}
.page-about .about-icon-desktop::before {
  content: '⬡';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.3rem;
  color: var(--about-gold);
  z-index: 1;
  line-height: 1;
}
.page-about .about-icon-collect::before {
  content: '✦';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.3rem;
  color: var(--about-gold);
  z-index: 1;
  line-height: 1;
}
.page-about .about-icon-update::before {
  content: '⟳';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.3rem;
  color: var(--about-gold);
  z-index: 1;
  line-height: 1;
}
.page-about .about-service-title {
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--about-text-light);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}
.page-about .about-service-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--about-text-muted);
  margin: 0 0 1rem;
}
.page-about .about-link {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--about-neon);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--about-transition), gap var(--about-transition);
}
.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--about-gold);
  gap: 0.6rem;
}
.page-about .about-service-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.08;
  overflow: hidden;
  pointer-events: none;
}
.page-about .about-service-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ===== 承诺区 ===== */
.page-about .about-commit {
  background: linear-gradient(180deg, var(--about-bg-deep) 0%, #1F0D3A 100%);
}
.page-about .about-commit-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}
.page-about .about-commit-text {
  flex: 1 1 100%;
  text-align: center;
}
.page-about .about-commit-text .badge {
  margin-bottom: 0.5rem;
}
.page-about .about-commit-text .about-section-title {
  margin-top: 0.6rem;
}
.page-about .about-commit-text .about-divider {
  margin: 0.8rem auto 1.2rem;
}
.page-about .about-commit-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--about-text-muted);
  max-width: 40em;
  margin: 0 auto 1.5rem;
}
.page-about .about-commit-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 30em;
  margin-left: auto;
  margin-right: auto;
}
.page-about .about-commit-list li {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  color: var(--about-text-light);
  padding-left: 1.8rem;
  position: relative;
  text-align: left;
}
.page-about .about-commit-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--about-gold);
  font-weight: 700;
  font-size: 1.1rem;
}
.page-about .about-commit-visual {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-about .about-commit-img {
  max-width: 180px;
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.1), 0 0 60px rgba(0, 194, 255, 0.04);
  transition: transform var(--about-transition);
}
.page-about .about-commit-img:hover {
  transform: scale(1.04);
}

/* ===== CTA 区 ===== */
.page-about .about-cta {
  padding: 2.5rem 0 4rem;
}
.page-about .about-cta-box {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(0, 194, 255, 0.04) 100%);
  border: 1px solid var(--about-border);
  border-radius: var(--about-radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.page-about .about-cta-label {
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--about-text-light);
  margin: 0 0 1.2rem;
  letter-spacing: 0.04em;
}
.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.8rem;
  font-family: var(--font-heading, 'Barlow Condensed', 'Impact', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--about-bg-deep);
  background: linear-gradient(135deg, var(--about-gold), #E8C84A);
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: transform var(--about-transition), box-shadow var(--about-transition), background var(--about-transition);
  min-width: 120px;
}
.page-about .btn:hover,
.page-about .btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
  background: linear-gradient(135deg, #E8C84A, var(--about-gold));
}
.page-about .btn--secondary {
  background: transparent;
  color: var(--about-text-light);
  border: 1.5px solid var(--about-border);
  box-shadow: none;
}
.page-about .btn--secondary:hover,
.page-about .btn--secondary:focus-visible {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--about-gold);
  color: var(--about-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 5rem 0 4rem;
  }
  .page-about .about-hero-inner {
    flex-direction: row;
    align-items: center;
  }
  .page-about .about-hero-text {
    flex: 1 1 60%;
  }
  .page-about .about-hero-visual {
    flex: 0 0 40%;
    justify-content: flex-end;
  }
  .page-about .about-badge-img {
    max-width: 280px;
  }
  .page-about .about-hero-title .text-gold {
    display: inline;
  }

  .page-about .about-service-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .page-about .about-service-card {
    padding: 2.5rem 2rem;
  }

  .page-about .about-commit-inner {
    flex-direction: row;
    text-align: left;
    gap: 3rem;
  }
  .page-about .about-commit-text {
    flex: 1 1 60%;
    text-align: left;
  }
  .page-about .about-commit-text .about-divider {
    margin-left: 0;
    margin-right: 0;
  }
  .page-about .about-commit-list {
    margin-left: 0;
    margin-right: 0;
  }
  .page-about .about-commit-visual {
    flex: 0 0 40%;
    justify-content: flex-end;
  }
  .page-about .about-commit-img {
    max-width: 240px;
  }

  .page-about .about-cta-box {
    padding: 3rem 4rem;
  }
  .page-about .about-cta-links {
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 6rem 0 5rem;
  }
  .page-about .about-badge-img {
    max-width: 340px;
  }
  .page-about .about-section {
    padding: 5rem 0;
  }
  .page-about .about-commit-img {
    max-width: 280px;
  }
  .page-about .about-service-card {
    padding: 3rem 2.5rem;
  }
}
</<PAGE_CSS>>