/* ===== 页面标题区 ===== */
.page-header {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(196, 162, 101, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  z-index: 0;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--color-dark);
  letter-spacing: 8px;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1rem;
  color: var(--color-text-muted);
  letter-spacing: 4px;
  text-transform: uppercase;
}

/* ===== 公司简介 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text {
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-highlights {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.highlight-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.highlight-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-gold-light);
  line-height: 1;
  min-width: 40px;
}

.highlight-info h4 {
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.highlight-info p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 100px;
}

.about-image img {
  width: 100%;
  object-fit: cover;
}

/* ===== 品牌故事 ===== */
.story-content {
  max-width: 800px;
  margin: 0 auto;
}

.story-block {
  text-align: center;
  padding: 40px 0;
}

.story-block h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.story-block p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 2;
}

.story-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto;
}

/* ===== 愿景使命 ===== */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.vision-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.vision-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.vision-icon {
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.vision-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.vision-card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.vision-card ul {
  list-style: none;
  text-align: left;
  display: inline-block;
}

.vision-card ul li {
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 20px;
}

.vision-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ===== 品牌调性 ===== */
.tone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tone-item {
  text-align: center;
}

.tone-visual {
  height: 160px;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.tone-item h4 {
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.tone-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== 时间线 ===== */
.timeline-list {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  position: relative;
}

.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--color-gold);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline-info {
  padding-top: 4px;
}

.timeline-phase {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 8px;
  border: 1px solid var(--color-gold-light);
  padding: 4px 12px;
  border-radius: 20px;
}

.timeline-info h4 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.timeline-info p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image {
    position: relative;
    top: 0;
    max-width: 500px;
    margin: 0 auto;
  }

  .vision-grid {
    grid-template-columns: 1fr;
  }

  .tone-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 2rem;
  }

  .tone-grid {
    grid-template-columns: 1fr;
  }

  .timeline-list::before {
    left: 15px;
  }

  .timeline-dot {
    width: 30px;
    height: 30px;
  }
}