.page-about {
  --about-bg-warm: #F5F0EB;
  --about-card-bg: #FFFFFF;
  --about-primary: #003366;
  --about-accent: #FF6600;
  --about-text: #222222;
  --about-gray: #999999;
  --about-spacing: 2rem;
  background-color: var(--about-bg-warm);
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  font-family: Helvetica, 'Open Sans', sans-serif;
  color: var(--about-text);
}

/* ---------- 品牌故事 ---------- */
.about-hero {
  display: flex;
  flex-direction: column;
  gap: var(--about-spacing);
  margin-bottom: var(--about-spacing);
  padding: 1.5rem;
  background: var(--about-card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.hero-text {
  flex: 1;
}
.hero-text h1 {
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 2.2rem;
  color: var(--about-primary);
  margin: 0 0 1rem;
  line-height: 1.2;
}
.hero-text p {
  line-height: 1.7;
  margin: 0 0 1rem;
  font-size: 1rem;
}
.story-details {
  margin-top: 1rem;
  border: 1px solid var(--about-gray);
  border-radius: 6px;
  padding: 0.75rem;
  background: var(--about-bg-warm);
}
.story-details summary {
  font-weight: bold;
  cursor: pointer;
  color: var(--about-accent);
}
.story-details[open] summary {
  margin-bottom: 0.5rem;
}
.hero-image {
  width: 100%;
}
.hero-image img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

/* ---------- 服务内容 ---------- */
.about-services {
  margin-bottom: var(--about-spacing);
  padding: 1.5rem;
  background: var(--about-card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.about-services h2 {
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 1.8rem;
  color: var(--about-primary);
  margin: 0 0 1.5rem;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.service-card {
  padding: 1.25rem;
  border: 1px solid #e0e0e0;
  border-left: 4px solid var(--about-accent);
  border-radius: 6px;
  background: var(--about-bg-warm);
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
}
.service-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.service-card h3 {
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 1.2rem;
  color: var(--about-primary);
  margin: 0 0 0.5rem;
}
.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 0.75rem;
}
.link-card {
  display: inline-block;
  color: var(--about-accent);
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9rem;
}
.link-card:hover {
  text-decoration: underline;
}
/* 悬停显示更多细节（tooltip效果） */
.service-card[data-hover-detail]::after {
  content: attr(data-hover-detail);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--about-primary);
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  margin-bottom: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.service-card:hover::after {
  opacity: 1;
}
.services-image {
  margin-top: 0;
}
.services-image img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

/* ---------- 品牌理念 ---------- */
.about-philosophy {
  padding: 1.5rem;
  background: var(--about-card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.about-philosophy h2 {
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 1.8rem;
  color: var(--about-primary);
  margin: 0 0 1rem;
}
.philosophy-quote {
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 1.4rem;
  font-style: italic;
  color: var(--about-primary);
  border-left: 4px solid var(--about-accent);
  padding-left: 1.5rem;
  margin: 0 0 1.5rem;
  line-height: 1.4;
}
.philosophy-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.philosophy-text p {
  line-height: 1.7;
  margin: 0 0 1rem;
  font-size: 1rem;
}
.philosophy-image img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

/* ---------- 通用链接样式 ---------- */
.link-inline {
  color: var(--about-accent);
  text-decoration: none;
}
.link-inline:hover {
  text-decoration: underline;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 768px) {
  .page-about {
    padding: 2rem;
  }
  .about-hero {
    flex-direction: row;
    align-items: center;
  }
  .hero-text {
    flex: 2;
  }
  .hero-image {
    flex: 1;
    text-align: right;
  }
  .hero-image img {
    max-width: 100%;
  }
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .philosophy-content {
    flex-direction: row;
    align-items: flex-start;
  }
  .philosophy-text {
    flex: 1;
    padding-right: 2rem;
  }
  .philosophy-image {
    flex: 1;
  }
}

/* ---------- 防止横向溢出 ---------- */
img {
  max-width: 100%;
  height: auto;
}
.page-about * {
  box-sizing: border-box;
}