.page-about {
  --about-accent: #D4AF37;
  --about-primary: #0B1D3A;
  --about-secondary: #0F2B3E;
  --about-light: #F8F9FA;
  --about-cta: #FF6B35;
  --about-text: #1E1E1E;
  --about-border: rgba(212, 175, 55, 0.2);
  --about-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --about-radius: 8px;
  font-family: var(--font-body, 'Noto Serif SC', serif);
  color: var(--color-text-primary, #1E1E1E);
  line-height: 1.6;
  padding: 0 16px 60px;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* 面包屑 */
.page-about .breadcrumb {
  padding: 20px 0 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-heading, 'Inter', sans-serif);
  letter-spacing: 0.3px;
}
.page-about .breadcrumb a {
  color: var(--about-accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-about .breadcrumb a:hover {
  opacity: 0.7;
}
.page-about .breadcrumb .separator {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.4);
}
.page-about .breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.8);
}

/* 首屏英雄区 —— 杂志式左右布局 */
.page-about .hero-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--about-border);
  margin-bottom: 48px;
}
.page-about .hero-text {
  flex: 1;
}
.page-about .hero-text h1 {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 48px;
  color: var(--about-accent);
  margin: 0 0 8px;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.page-about .hero-subtitle {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.page-about .hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0;
  line-height: 1.7;
}
.page-about .hero-visual {
  flex-shrink: 0;
  border-radius: var(--about-radius);
  overflow: hidden;
  box-shadow: var(--about-card-shadow);
}
.page-about .hero-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* 通用章节样式 */
.page-about .section-label {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--about-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.8;
}
.page-about section h2 {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 36px;
  color: #ffffff;
  margin: 0 0 24px;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

/* 品牌使命区 —— 三列卡片 */
.page-about .mission-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--about-border);
  margin-bottom: 48px;
}
.page-about .mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 8px;
}
.page-about .mission-card {
  background: var(--about-secondary);
  border-radius: var(--about-radius);
  padding: 28px 24px;
  transition: box-shadow 0.3s, transform 0.3s;
  cursor: default;
  border: 1px solid transparent;
}
.page-about .mission-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
  border-color: var(--about-border);
}
.page-about .card-number {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--about-accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
}
.page-about .mission-card h3 {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 22px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 12px;
}
.page-about .mission-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.7;
}

/* 服务说明区 —— 三张卡片带图标 */
.page-about .service-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--about-border);
  margin-bottom: 48px;
}
.page-about .service-intro {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.65);
  max-width: 640px;
  margin: -8px 0 32px;
  line-height: 1.7;
}
.page-about .service-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-about .service-card {
  background: var(--about-secondary);
  border-radius: var(--about-radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s;
  border: 1px solid transparent;
}
.page-about .service-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
  border-color: var(--about-border);
}
.page-about .service-icon {
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}
.page-about .service-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  display: block;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  padding: 8px;
}
.page-about .service-card h3 {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 12px;
}
.page-about .service-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 20px;
  line-height: 1.7;
}
.page-about .service-card .btn {
  display: inline-block;
  padding: 10px 28px;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  cursor: pointer;
}
.page-about .service-card .btn-cta {
  background: var(--about-cta);
  color: #ffffff;
}
.page-about .service-card .btn-cta:hover {
  background: #e55a2b;
  transform: scale(1.02);
}

/* 联系我们区 —— 左右布局 */
.page-about .contact-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--about-border);
  margin-bottom: 48px;
}
.page-about .contact-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-about .contact-info {
  flex: 1;
}
.page-about .contact-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(212, 175, 55, 0.08);
  padding: 12px 16px;
  border-radius: 6px;
  margin: 0 0 24px;
  line-height: 1.6;
  border-left: 3px solid var(--about-accent);
}
.page-about .contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.2s;
  border-radius: 4px;
  padding-left: 8px;
}
.page-about .contact-item:hover {
  background: rgba(212, 175, 55, 0.05);
}
.page-about .contact-icon {
  font-size: 22px;
  line-height: 1.4;
  color: var(--about-accent);
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}
.page-about .contact-item strong {
  display: block;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}
.page-about .contact-item a {
  color: var(--about-accent);
  text-decoration: none;
  font-size: 15px;
  transition: opacity 0.2s;
}
.page-about .contact-item a:hover {
  opacity: 0.7;
}
.page-about .contact-item span {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
}
.page-about .contact-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 4px 0 0;
  line-height: 1.5;
}
.page-about .contact-verify {
  margin-top: 20px;
  padding: 16px;
  background: rgba(255, 107, 53, 0.06);
  border-radius: 6px;
  border: 1px solid rgba(255, 107, 53, 0.15);
}
.page-about .verify-badge {
  display: inline-block;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 12px;
  font-weight: 600;
  color: var(--about-cta);
  background: rgba(255, 107, 53, 0.12);
  padding: 2px 12px;
  border-radius: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.page-about .contact-verify p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
  line-height: 1.6;
}
.page-about .contact-visual {
  border-radius: var(--about-radius);
  overflow: hidden;
  box-shadow: var(--about-card-shadow);
}
.page-about .contact-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/1;
}

/* 信任声明区 */
.page-about .trust-section {
  padding: 40px 0 16px;
}
.page-about .trust-inner {
  text-align: center;
  padding: 32px 24px;
  background: rgba(212, 175, 55, 0.04);
  border-radius: var(--about-radius);
  border: 1px solid var(--about-border);
}
.page-about .trust-badge {
  display: inline-block;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--about-accent);
  letter-spacing: 2px;
  padding: 4px 16px;
  border: 1px solid var(--about-accent);
  border-radius: 2px;
  margin-bottom: 12px;
}
.page-about .trust-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== 平板端 ≥768px ===== */
@media (min-width: 768px) {
  .page-about {
    padding: 0 32px 80px;
  }
  .page-about .hero-section {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
  .page-about .hero-text h1 {
    font-size: 56px;
  }
  .page-about .hero-subtitle {
    font-size: 20px;
  }
  .page-about .hero-desc {
    font-size: 17px;
  }
  .page-about .hero-visual img {
    aspect-ratio: 4/3;
  }
  .page-about .mission-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-about .service-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-about .contact-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-about .contact-visual {
    flex: 0 0 45%;
    margin-top: 12px;
  }
  .page-about .contact-visual img {
    aspect-ratio: 4/1;
  }
}

/* ===== 桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-about {
    padding: 0 40px 100px;
  }
  .page-about .hero-text h1 {
    font-size: 64px;
  }
  .page-about .hero-section {
    gap: 64px;
  }
  .page-about .mission-grid {
    gap: 32px;
  }
  .page-about .mission-card {
    padding: 36px 32px;
  }
  .page-about .service-cards {
    gap: 32px;
  }
  .page-about .service-card {
    padding: 40px 32px;
  }
  .page-about .contact-layout {
    gap: 64px;
  }
  .page-about section h2 {
    font-size: 42px;
  }
}