/* ===== 品牌档案页面专属样式 ===== */
.page-about {
  --about-space-sm: 1rem;
  --about-space-md: 2rem;
  --about-space-lg: 3.5rem;
  --about-space-xl: 5rem;
  --about-card-bg: #222;
  --about-card-border: #333;
  --about-stat-size: 3.2rem;
  --about-progress-h: 6px;
}

/* 容器复用，但保证内部间距 */
.page-about .container {
  width: 100%;
  max-width: var(--content-max, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--about-space-md);
  padding-right: var(--about-space-md);
  box-sizing: border-box;
}

/* ---- 面包屑 ---- */
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  padding-top: var(--about-space-md);
  padding-bottom: 0;
  font-family: var(--font-accent, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: #aaa;
}
.page-about .breadcrumb__link {
  color: var(--accent-gold, #C9A84C);
  text-decoration: none;
  transition: color var(--transition, 0.2s);
}
.page-about .breadcrumb__link:hover,
.page-about .breadcrumb__link:focus-visible {
  color: #f0d060;
}
.page-about .breadcrumb__sep {
  color: #666;
  user-select: none;
}
.page-about .breadcrumb__current {
  color: var(--text-light, #F5F5F5);
  font-weight: 500;
}

/* ---- 首屏：品牌故事 ---- */
.page-about .hero-story {
  display: flex;
  flex-direction: column;
  gap: var(--about-space-lg);
  padding-top: var(--about-space-xl);
  padding-bottom: var(--about-space-lg);
}
.page-about .hero-story__text {
  flex: 1 1 50%;
}
.page-about .hero-story .tag {
  margin-bottom: var(--about-space-sm);
}
.page-about .hero-story__title {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  font-size: 2.6rem;
  line-height: 1.1;
  margin: 0 0 var(--about-space-sm);
  background: var(--primary-grad, linear-gradient(135deg,#E8B800,#D62828));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-about .hero-story__subtitle {
  font-size: 1.2rem;
  line-height: 1.4;
  color: #ccc;
  margin: 0 0 var(--about-space-md);
  max-width: 28em;
}
.page-about .hero-story__body {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: #bbb;
  margin: 0 0 var(--about-space-lg);
  max-width: 36em;
}
.page-about .hero-story__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--about-space-sm);
}
.page-about .hero-story__visual {
  flex: 0 0 auto;
  width: 100%;
}
.page-about .hero-story__img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  margin: 0 auto;
}

/* ---- 分隔线 ---- */
.page-about .divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold, #C9A84C), var(--accent-red, #D62828), transparent);
  margin-top: 0;
  margin-bottom: 0;
  opacity: 0.4;
}

/* ---- 核心数据区 ---- */
.page-about .core-data {
  padding-top: var(--about-space-xl);
  padding-bottom: var(--about-space-lg);
}
.page-about .core-data__header {
  margin-bottom: var(--about-space-lg);
}
.page-about .core-data .tag {
  margin-bottom: var(--about-space-sm);
}
.page-about .core-data__heading {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  font-size: 2rem;
  margin: 0 0 var(--about-space-sm);
  color: var(--text-light, #F5F5F5);
}
.page-about .core-data__desc {
  font-size: 1rem;
  color: #aaa;
  margin: 0;
  max-width: 32em;
}

.page-about .core-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-space-md);
  margin-bottom: var(--about-space-xl);
}

/* 数据卡片 */
.page-about .data-card {
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-border);
  border-radius: var(--radius-md, 8px);
  padding: var(--about-space-md);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--transition, 0.2s), box-shadow var(--transition, 0.2s);
  cursor: default;
}
.page-about .data-card:hover {
  border-color: var(--accent-gold, #C9A84C);
  box-shadow: 0 0 0 2px rgba(201,168,76,0.15);
}
.page-about .data-card__icon {
  color: var(--accent-gold, #C9A84C);
  margin-bottom: 0.2rem;
}
.page-about .data-card__stat {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: var(--about-stat-size);
  line-height: 1;
  background: var(--primary-grad, linear-gradient(135deg,#E8B800,#D62828));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-about .data-card__label {
  font-family: var(--font-accent, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  color: var(--accent-gold, #C9A84C);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.page-about .data-card__detail {
  font-size: 0.92rem;
  line-height: 1.5;
  color: #bbb;
  margin: 0.3rem 0 0.6rem;
}
.page-about .data-card .progress-bar {
  width: 100%;
  height: var(--about-progress-h);
  background: #333;
  border-radius: 3px;
  overflow: hidden;
  margin-top: auto;
}
.page-about .data-card .progress-bar__fill {
  display: block;
  height: 100%;
  background: var(--primary-grad, linear-gradient(135deg,#E8B800,#D62828));
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* 核心数据区图片 */
.page-about .core-data__image {
  margin-top: var(--about-space-sm);
}
.page-about .core-data__img {
  display: block;
  width: 100%;
  max-width: 800px;
  height: auto;
  aspect-ratio: 800/500;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
  margin: 0 auto;
}

/* ---- 服务承诺区 ---- */
.page-about .commitment {
  padding-top: var(--about-space-xl);
  padding-bottom: var(--about-space-xl);
}
.page-about .commitment__header {
  margin-bottom: var(--about-space-lg);
}
.page-about .commitment .tag {
  margin-bottom: var(--about-space-sm);
}
.page-about .commitment__heading {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  font-size: 2rem;
  margin: 0 0 var(--about-space-sm);
  color: var(--text-light, #F5F5F5);
}
.page-about .commitment__tagline {
  font-size: 1.05rem;
  color: #aaa;
  margin: 0;
  max-width: 28em;
}
.page-about .commitment__layout {
  display: flex;
  flex-direction: column;
  gap: var(--about-space-lg);
}
.page-about .commitment__text {
  flex: 1 1 55%;
}
.page-about .commitment__visual {
  flex: 0 0 auto;
  width: 100%;
}
.page-about .commitment__img {
  display: block;
  width: 100%;
  max-width: 700px;
  height: auto;
  aspect-ratio: 700/400;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
  margin: 0 auto;
}

.page-about .commit-item {
  border-left: 3px solid;
  border-image: var(--primary-grad, linear-gradient(135deg,#E8B800,#D62828)) 1;
  padding-left: var(--about-space-md);
  margin-bottom: var(--about-space-md);
}
.page-about .commit-item__num {
  font-family: var(--font-accent, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  color: var(--accent-gold, #C9A84C);
  font-weight: 600;
  display: block;
  margin-bottom: 0.2rem;
}
.page-about .commit-item__title {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: 1.2rem;
  margin: 0 0 0.3rem;
  color: var(--text-light, #F5F5F5);
}
.page-about .commit-item__desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #bbb;
  margin: 0;
  max-width: 30em;
}
.page-about .commitment__btn {
  margin-top: var(--about-space-sm);
  display: inline-block;
}

/* ---- 关联路径 ---- */
.page-about .related-paths {
  padding-top: var(--about-space-md);
  padding-bottom: var(--about-space-xl);
}
.page-about .related-paths__rule {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-gold, #C9A84C), var(--accent-red, #D62828), transparent);
  opacity: 0.25;
  margin: 0 0 var(--about-space-md);
}
.page-about .related-paths__text {
  font-size: 0.92rem;
  color: #aaa;
  margin: 0;
}
.page-about .related-paths__link {
  color: var(--accent-gold, #C9A84C);
  text-decoration: none;
  transition: color var(--transition, 0.2s);
}
.page-about .related-paths__link:hover,
.page-about .related-paths__link:focus-visible {
  color: #f0d060;
  text-decoration: underline;
}

/* ---- 响应式：桌面 >= 768px ---- */
@media (min-width: 768px) {
  .page-about {
    --about-stat-size: 3.6rem;
    --about-space-lg: 4rem;
    --about-space-xl: 6rem;
  }

  .page-about .hero-story {
    flex-direction: row;
    align-items: center;
  }
  .page-about .hero-story__text {
    flex: 1 1 55%;
  }
  .page-about .hero-story__visual {
    flex: 0 0 45%;
    max-width: 45%;
  }
  .page-about .hero-story__title {
    font-size: 3.2rem;
  }

  .page-about .core-data__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .core-data__image {
    margin-top: var(--about-space-md);
  }

  .page-about .commitment__layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-about .commitment__text {
    flex: 1 1 55%;
  }
  .page-about .commitment__visual {
    flex: 0 0 42%;
    max-width: 42%;
  }
  .page-about .commitment__heading {
    font-size: 2.4rem;
  }
}

/* ---- 大桌面 1024px+ 调整 ---- */
@media (min-width: 1024px) {
  .page-about .hero-story__title {
    font-size: 3.8rem;
  }
  .page-about .core-data__heading,
  .page-about .commitment__heading {
    font-size: 2.6rem;
  }
  .page-about .data-card {
    padding: var(--about-space-lg) var(--about-space-md);
  }
}

/* ---- 辅助类覆盖 ---- */
.page-about .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}