/* ============================================
   About - 关于我们页样式
   ============================================ */

/* ===== 公司简介 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-intro__image-placeholder {
  min-height: 360px;
  background: var(--gradient-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}

.about-intro__image-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
}

.about-intro__image-placeholder p {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.about-intro__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-intro__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
}

.about-intro__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--space-4) 0 var(--space-6);
  line-height: var(--leading-tight);
}

.about-intro__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.about-intro__stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.about-intro__stat .stat-number {
  font-size: var(--text-3xl);
}

.about-intro__stat .stat-label {
  font-size: var(--text-sm);
}

/* ===== 企业文化卡片 ===== */
.culture-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.culture-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-primary);
}

.culture-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.culture-card__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .about-intro__stats {
    gap: var(--space-4);
  }

  .about-intro__stat .stat-number {
    font-size: var(--text-2xl);
  }

  .about-intro__title {
    font-size: var(--text-2xl);
  }
}

/* ===== 时间轴移动端 ===== */
@media (max-width: 767px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 50px;
    padding-right: 0;
  }

  .timeline-item:nth-child(even) {
    left: 0;
    padding-left: 50px;
    padding-right: 0;
  }

  .timeline-item__dot {
    left: 12px !important;
    right: auto !important;
  }
}