/* ===== 关于我们页面样式 ===== */

/* 品牌简介 */
.intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-text .section-eyebrow {
  margin-bottom: 14px;
}

.intro-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.intro-text p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 12px;
}

.intro-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.value-item {
  text-align: center;
  padding: 22px 14px;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.25s var(--ease-out),
              border-color 0.25s var(--ease-out),
              transform 0.25s var(--ease-out);
}

.value-item:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.value-emoji {
  font-size: 28px;
  display: block;
  margin-bottom: 8px;
  line-height: 1;
}

.value-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.value-item p {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 0;
  line-height: 1.5;
}

/* 视觉统计区 */
.intro-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  width: 100%;
}

.stat-card {
  padding: 28px 20px;
  text-align: center;
}

.stat-number-big {
  display: block;
  font-size: 36px;
  font-weight: 700;
  background-image: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 时间线 */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-image: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
  transform: translateX(-50%);
  opacity: 0.2;
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 18px 36px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  top: 38px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px var(--accent-primary);
  z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -7px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -7px;
}

.timeline-dot-future {
  background-color: var(--accent-secondary);
  box-shadow: 0 0 0 2px var(--accent-secondary), 0 0 12px rgba(99, 102, 241, 0.4);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 2px var(--accent-secondary), 0 0 12px rgba(99, 102, 241, 0.3);
  }
  50% {
    box-shadow: 0 0 0 2px var(--accent-secondary), 0 0 20px rgba(99, 102, 241, 0.5);
  }
}

.timeline-content {
  padding: 20px 22px;
}

.timeline-date {
  display: inline-block;
  padding: 3px 10px;
  background-color: var(--accent-light);
  border-radius: 100px;
  font-size: 12px;
  color: var(--accent-primary);
  margin-bottom: 8px;
  font-weight: 500;
}

.timeline-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 优势区 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.advantage-item {
  padding: 26px;
}

.advantage-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
  line-height: 1;
}

.advantage-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* 团队介绍 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  padding: 30px 24px;
  text-align: center;
}

.team-avatar {
  font-size: 56px;
  margin-bottom: 12px;
  display: block;
  line-height: 1;
}

.team-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.team-role {
  font-size: 13px;
  color: var(--accent-primary);
  margin-bottom: 14px;
  font-weight: 500;
}

.team-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 14px;
}

.team-tags {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}

.team-tags span {
  padding: 3px 10px;
  background-color: var(--bg-soft);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 11px;
  color: var(--text-tertiary);
}

/* 底部CTA */
.cta-bottom {
  padding: 50px 0 90px;
}

.cta-banner {
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background-image: linear-gradient(135deg, #eff6ff 0%, #eef2ff 100%);
  border-color: #dbeafe;
}

.cta-info h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}

.cta-info p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .intro-visual {
    order: -1;
  }

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

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .intro-text h2 {
    font-size: 26px;
  }

  .intro-values {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .value-item {
    padding: 18px 10px;
  }

  .stat-card {
    padding: 22px 14px;
  }

  .stat-number-big {
    font-size: 28px;
  }

  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 44px;
    padding-right: 0;
    left: 0 !important;
    text-align: left !important;
  }

  .timeline-dot {
    left: 11px !important;
    right: auto !important;
  }

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

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 28px 22px;
  }

  .cta-info h2 {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-dot-future {
    animation: none;
  }
}