/* ===== 页面专属：品牌故事 ===== */
.page-about {
  background-color: var(--color-cream);
  color: var(--color-dark-brown);
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-silver);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-md);
}
.page-about .breadcrumb a {
  color: var(--color-silver);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--color-gold);
}
.page-about .breadcrumb .sep {
  color: var(--color-silver);
  font-size: 0.75rem;
}
.page-about .breadcrumb [aria-current="page"] {
  color: var(--color-dark-brown);
  font-weight: 600;
}

/* ---------- 框景英雄 ---------- */
.page-about__hero-frame {
  border: var(--border-thick) solid var(--color-deep-blue);
  box-shadow: var(--shadow-heavy);
  position: relative;
  background: var(--color-cream);
  overflow: hidden;
}
.page-about__hero-border-top {
  height: 4px;
  background: var(--color-gold);
  width: 100%;
}
.page-about__hero-border-bottom {
  height: 4px;
  background: var(--color-gold);
  width: 100%;
}
.page-about__hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
  gap: var(--space-xl);
}
.page-about__hero-content {
  flex: 1 1 45%;
  min-width: 260px;
}
.page-about__hero-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}
.page-about__hero-heading {
  font-size: 2.6rem;
  line-height: 1.15;
  color: var(--color-deep-blue);
  margin: 0 0 var(--space-md);
  letter-spacing: 0.02em;
}
.page-about__hero-statement {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-dark-brown);
  margin: 0 0 var(--space-lg);
  max-width: 540px;
}
.page-about__hero-gold-line {
  width: 80px;
  height: 3px;
  background: var(--color-gold);
  margin-bottom: var(--space-md);
}
.page-about__hero-sub {
  font-size: 1rem;
  color: var(--color-silver);
  margin: 0;
  font-style: italic;
}
.page-about__hero-image {
  flex: 1 1 35%;
  min-width: 200px;
}
.page-about__hero-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  box-shadow: var(--shadow-medium);
  border: 2px solid var(--color-gold);
}

/* ---------- 里程碑 ---------- */
.page-about__milestones-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-silver);
}
.page-about__section-title {
  font-size: 2rem;
  color: var(--color-deep-blue);
  margin: var(--space-sm) 0 var(--space-xs);
  letter-spacing: 0.01em;
}
.page-about__section-desc {
  font-size: 1rem;
  color: var(--color-silver);
  margin: 0;
  max-width: 560px;
}
.page-about__milestones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}
.page-about__milestone-card {
  border: 4px solid var(--color-dark-brown);
  padding: var(--space-lg);
  background: var(--color-cream);
  box-shadow: var(--shadow-heavy);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.page-about__milestone-card:hover,
.page-about__milestone-card:focus-within {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px rgba(201, 169, 110, 0.3), var(--shadow-heavy);
}
.page-about__milestone-number {
  font-size: 3.2rem;
  line-height: 1;
  color: var(--color-red);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-about__milestone-title {
  font-size: 1.25rem;
  color: var(--color-deep-blue);
  margin: 0 0 var(--space-sm);
}
.page-about__milestone-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-dark-brown);
  margin: 0;
}

/* ---------- 使命与承诺 ---------- */
.page-about__missions-frame {
  background: var(--color-cream);
  border: var(--border-thick) solid var(--color-deep-blue);
  box-shadow: var(--shadow-heavy);
  padding: var(--space-xl) var(--space-lg);
}
.page-about__missions-header {
  margin-bottom: var(--space-xl);
}
.page-about__missions-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.page-about__mission-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(44, 30, 19, 0.08);
  transition: transform var(--transition-fast);
}
.page-about__mission-item:last-child {
  border-bottom: none;
}
.page-about__mission-item[data-hover-scale]:hover {
  transform: scale(1.02);
}
.page-about__mission-icon-wrap {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-gold);
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-fast);
}
.page-about__mission-item:hover .page-about__mission-icon-wrap {
  transform: scale(1.08);
}
.page-about__mission-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-about__mission-text {
  flex: 1;
}
.page-about__mission-heading {
  font-size: 1.15rem;
  color: var(--color-deep-blue);
  margin: 0 0 var(--space-xs);
}
.page-about__mission-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-dark-brown);
  margin: 0;
}

/* ---------- 团队文化 ---------- */
.page-about__culture-frame {
  border: var(--border-thick) solid var(--color-deep-blue);
  box-shadow: var(--shadow-heavy);
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-cream);
}
.page-about__culture-header {
  margin-bottom: var(--space-lg);
}
.page-about__culture-body {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  align-items: center;
}
.page-about__culture-image {
  flex: 1 1 40%;
  min-width: 240px;
}
.page-about__culture-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: 3px solid var(--color-gold);
  box-shadow: var(--shadow-medium);
}
.page-about__culture-text {
  flex: 1 1 50%;
  min-width: 240px;
}
.page-about__culture-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-dark-brown);
  margin: 0 0 var(--space-md);
}
.page-about__culture-desc:last-child {
  margin-bottom: 0;
}

/* ---------- 底部内链 ---------- */
.page-about__footer-links {
  text-align: center;
  padding-bottom: var(--space-2xl);
  font-size: 0.95rem;
}
.page-about__inline-link {
  color: var(--color-deep-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  font-weight: 600;
}
.page-about__inline-link:hover,
.page-about__inline-link:focus-visible {
  border-bottom-color: var(--color-gold);
  color: var(--color-gold);
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .page-about__hero-inner {
    flex-direction: column;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-lg);
  }
  .page-about__hero-heading {
    font-size: 1.8rem;
  }
  .page-about__hero-statement {
    font-size: 1rem;
  }
  .page-about__hero-image {
    width: 100%;
  }
  .page-about__milestones-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .page-about__section-title {
    font-size: 1.6rem;
  }
  .page-about__mission-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .page-about__mission-icon-wrap {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
  }
  .page-about__culture-body {
    flex-direction: column;
  }
  .page-about__culture-image {
    width: 100%;
  }
  .page-about__culture-text {
    width: 100%;
  }
  .page-about__milestone-number {
    font-size: 2.4rem;
  }
  .page-about .breadcrumb {
    font-size: 0.8rem;
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-about__hero-heading {
    font-size: 2.2rem;
  }
  .page-about__milestones-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about__missions-list {
    gap: var(--space-md);
  }
}