/* ===== 品牌概况页面专属样式 (限定 .page-about 作用域) ===== */

.page-about {
  --page-about-bg-start: #0A1F44;
  --page-about-bg-end: #1A3A6B;
  --page-about-accent: #F26C23;
  --page-about-text-light: #D0D0D0;
  --page-about-text-dark: #212121;
  --page-about-card-bg: #F5F5F5;
  --page-about-radius-lg: 20px;
  --page-about-radius-md: 12px;
  --page-about-font-headline: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --page-about-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.page-about__inner {
  padding: 2rem 1rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* 面包屑 */
.page-about__breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 2rem;
  color: var(--page-about-text-light);
  font-family: var(--page-about-font-body);
}
.page-about__breadcrumb a {
  color: var(--page-about-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.page-about__breadcrumb a:hover {
  border-bottom-color: var(--page-about-accent);
}
.page-about__breadcrumb span[aria-hidden] {
  margin: 0 0.4rem;
}

/* 品牌定位区块 */
.page-about__brand-position {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}
.page-about__brand-position::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(135deg, var(--page-about-accent), transparent);
  border-radius: var(--page-about-radius-lg);
}
.page-about__brand-position-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-about__headline {
  font-family: var(--page-about-font-headline);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1.2;
  color: var(--color-white);
  margin: 0;
}
.page-about__tagline {
  font-family: var(--page-about-font-body);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--page-about-accent);
  margin: 0;
}
.page-about__body {
  font-family: var(--page-about-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--page-about-text-light);
  margin: 0;
}
.page-about__img-wrapper {
  border-radius: var(--page-about-radius-lg);
  overflow: hidden;
  background: var(--page-about-card-bg);
  width: 100%;
}
.page-about__img-wrapper img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 核心功能区块 */
.page-about__core-features {
  margin-top: 4rem;
}
.page-about__section-title {
  font-family: var(--page-about-font-headline);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 2rem;
}
.page-about__feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.page-about__feature-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--page-about-card-bg);
  border-radius: var(--page-about-radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}
.page-about__feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.page-about__feature-icon {
  display: inline-block;
  width: 44px;
  height: 44px;
  background: var(--page-about-accent);
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}
.page-about__feature-icon--sync {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M17 2l4 4-4 4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M3 11V9a4 4 0 0 1 4-4h10l-4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M7 22l-4-4 4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M21 13v2a4 4 0 0 1-4 4H7l4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M17 2l4 4-4 4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M3 11V9a4 4 0 0 1 4-4h10l-4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M7 22l-4-4 4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M21 13v2a4 4 0 0 1-4 4H7l4-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.page-about__feature-icon--export {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpolyline points='7 10 12 15 17 10' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cline x1='12' y1='15' x2='12' y2='3' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpolyline points='7 10 12 15 17 10' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cline x1='12' y1='15' x2='12' y2='3' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.page-about__feature-icon--tablet {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Crect x='4' y='2' width='16' height='20' rx='2' ry='2' stroke='%23212121' stroke-width='2'/%3E%3Cline x1='12' y1='18' x2='12' y2='18' stroke='%23212121' stroke-width='2'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Crect x='4' y='2' width='16' height='20' rx='2' ry='2' stroke='%23212121' stroke-width='2'/%3E%3Cline x1='12' y1='18' x2='12' y2='18' stroke='%23212121' stroke-width='2'/%3E%3C/svg%3E");
}
.page-about__feature-icon--directory {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2v11z' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2v11z' stroke='%23212121' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.page-about__feature-title {
  font-family: var(--page-about-font-headline);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--page-about-text-dark);
  margin: 0;
}
.page-about__feature-desc {
  font-family: var(--page-about-font-body);
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--page-about-text-dark);
  margin: 0;
}
.page-about__feature-image-wrapper {
  border-radius: var(--page-about-radius-md);
  overflow: hidden;
  max-width: 100%;
  margin: 0 auto;
  background: var(--page-about-card-bg);
}
.page-about__feature-image-wrapper img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 本地优势 */
.page-about__local-advantage {
  margin-top: 4rem;
}
.page-about__local-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}
.page-about__local-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-about__local-contact {
  background: var(--page-about-card-bg);
  border-radius: var(--page-about-radius-md);
  padding: 1.5rem;
  margin-top: 1rem;
  color: var(--page-about-text-dark);
}
.page-about__local-label {
  font-family: var(--page-about-font-body);
  font-weight: 600;
  color: var(--page-about-accent);
  display: block;
  margin-bottom: 0.5rem;
}
.page-about__local-contact a {
  color: var(--page-about-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.page-about__local-contact a:hover {
  border-bottom-color: var(--page-about-accent);
}
.page-about__local-note {
  font-size: 0.875rem;
  color: var(--page-about-text-dark);
  margin-top: 0.75rem;
  opacity: 0.8;
}
.page-about__img-wrapper--local {
  max-width: 300px;
  border-radius: var(--page-about-radius-lg);
  overflow: hidden;
  background: var(--page-about-card-bg);
}
.page-about__img-wrapper--local img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* CTA 区块 */
.page-about__cta {
  margin-top: 4rem;
  text-align: center;
}
.page-about__cta-text {
  font-family: var(--page-about-font-headline);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin: 0 0 2rem;
}
.page-about__cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.page-about__cta-links .btn {
  font-family: var(--page-about-font-body);
  font-weight: 600;
  border-radius: 50px;
  padding: 0.75rem 2rem;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.page-about__cta-links .btn-primary {
  background: var(--page-about-accent);
  color: var(--color-white);
  border: 2px solid var(--page-about-accent);
}
.page-about__cta-links .btn-primary:hover {
  background: var(--page-about-accent);
  filter: brightness(1.1);
  transform: scale(1.02);
}
.page-about__cta-links .btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}
.page-about__cta-links .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  transform: scale(1.02);
}

/* 滚动显现 (复用共享类名但可在此作用域调整) */
.page-about .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-about .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.page-about .reveal-delay-2 { transition-delay: 0.2s; }
.page-about .reveal-delay-4 { transition-delay: 0.4s; }
.page-about .reveal-delay-6 { transition-delay: 0.6s; }

/* 移动端优先 (窄屏) */
@media (max-width: 767px) {
  .page-about__headline {
    font-size: 2rem;
  }
  .page-about__section-title {
    font-size: 1.75rem;
  }
  .page-about__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-about__local-grid {
    flex-direction: column;
  }
  .page-about__cta-links {
    flex-direction: column;
    align-items: center;
  }
  .page-about__cta-links .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-about__inner {
    padding: 3rem 2rem 5rem;
  }
  .page-about__brand-position-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
  }
  .page-about__brand-position-content .page-about__headline,
  .page-about__brand-position-content .page-about__tagline,
  .page-about__brand-position-content .page-about__body {
    grid-column: 1;
  }
  .page-about__img-wrapper {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
  }
  .page-about__feature-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about__feature-image-wrapper {
    max-width: 600px;
    margin: 2rem auto 0;
  }
  .page-about__local-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  .page-about__local-text {
    flex: 1 1 60%;
  }
  .page-about__img-wrapper--local {
    flex: 0 0 auto;
    margin-left: 2rem;
  }
}
</PAGE_CSS>