/* ========== 关于我们页面样式 ========== */

/* About Intro */
.about-intro {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.about-content p {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-stat {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, var(--red-50), var(--pink-100));
  border-radius: var(--radius-xl);
}

.about-stat .stat-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--red-500);
}

.about-stat .stat-label {
  font-size: 14px;
  color: var(--gray-600);
  margin-top: 4px;
}

/* Mission */
.mission {
  padding: 80px 0;
  background: var(--gray-50);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.mission-card {
  text-align: center;
  padding: 40px 32px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}

.mission-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--red-400), var(--red-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-pink);
}

.mission-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.mission-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  background: rgba(239, 68, 68, 0.08);
  color: var(--red-500);
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  border: 1px solid rgba(239, 68, 68, 0.2);
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.05);
  transition: all 0.3s ease;
}

.section-tag:hover {
  background: rgba(239, 68, 68, 0.12);
  transform: translateY(-1px);
}

.section-title {
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-desc {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--gray-500);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Team */
.team {
  padding: 100px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  background: var(--gray-200);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.team-role {
  font-size: 13px;
  color: var(--red-500);
  font-weight: 500;
  margin-bottom: 12px;
}

.team-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Cases */
.cases {
  padding: 100px 0;
  background: var(--gray-50);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.05);
}

.case-content {
  padding: 24px;
}

.case-category {
  font-size: 12px;
  color: var(--red-500);
  font-weight: 500;
  margin-bottom: 8px;
}

.case-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.case-content p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-result {
  display: flex;
  gap: 16px;
}

.case-result span {
  font-size: 12px;
  color: var(--gray-600);
  font-weight: 500;
  padding: 4px 10px;
  background: var(--gray-100);
  border-radius: 999px;
}

/* Partners */
.partners {
  padding: 80px 0;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.partner-logo {
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all 0.3s ease;
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .about-stat {
    padding: 20px 16px;
  }
  
  .about-stat .stat-value {
    font-size: 28px;
  }
  
  .mission-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
}