/* ========== 关于页面样式 ========== */

/* Banner */
.page-banner {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  padding: 80px 20px 60px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.banner-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.page-banner h1 i {
  margin-right: 12px;
}

.page-banner p {
  font-size: 1.2rem;
  margin-bottom: 24px;
  opacity: 0.95;
}

.banner-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
  opacity: 0.9;
}

.banner-breadcrumb a {
  color: white;
  text-decoration: none;
  transition: all 0.3s;
}

.banner-breadcrumb a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ========== 内容区 ========== */
.section {
  padding: 80px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-title h2 i {
  font-size: 2rem;
}

.section-title p.subtitle {
  color: var(--text-gray);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* ========== 卡片通用样式 ========== */
.feature-card,
.team-member {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before,
.team-member::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--ai-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before,
.team-member:hover::before {
  transform: scaleX(1);
}

.feature-card:hover,
.team-member:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.15);
  border-color: var(--ai-blue);
}

/* ========== 愿景/使命 ========== */
.mission {
  background: white;
  border-radius: 20px;
  padding: 50px 40px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  max-width: 900px;
  margin: 0 auto;
  border-left: 6px solid var(--ai-blue);
}

.mission p {
  font-size: 1.2rem;
  line-height: 2;
  color: var(--text-dark);
  position: relative;
  padding-left: 30px;
}

.mission p::before {
  content: "\f10d";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 5px;
  color: var(--ai-blue);
  font-size: 1.5rem;
  opacity: 0.3;
}

/* ========== 价值观 ========== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.value-item {
  text-align: center;
  background: white;
  border-radius: 20px;
  padding: 40px 24px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.value-item:hover {
  transform: translateY(-8px);
  border-color: var(--ai-blue);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.15);
}

.value-icon {
  width: 80px;
  height: 80px;
  background: var(--ai-gradient);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: white;
  font-size: 2rem;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
  transition: all 0.3s ease;
}

.value-item:hover .value-icon {
  transform: scale(1.1) rotate(5deg);
}

.value-item h4 {
  font-size: 1.3rem;
  margin-bottom: 14px;
  color: var(--text-dark);
  font-weight: 700;
}

.value-item p {
  color: var(--text-gray);
  font-size: 1rem;
  line-height: 1.6;
}

/* ========== 团队 ========== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
  max-width: 1100px;
  margin: 0 auto;
}

.team-member {
  text-align: center;
}

.team-member img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 4px solid var(--ai-blue-light);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
  transition: all 0.3s ease;
}

.team-member:hover img {
  transform: scale(1.1);
  border-color: var(--ai-purple);
}

.team-member h5 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-dark);
  font-weight: 700;
}

.team-member p {
  color: var(--text-gray);
  font-size: 1rem;
}

/* ========== 联系方式 ========== */
.contact-info {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: 20px;
  padding: 50px 40px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.contact-info p {
  font-size: 1.15rem;
  margin: 24px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-dark);
  padding: 16px;
  border-radius: 12px;
  transition: all 0.3s;
}

.contact-info p:hover {
  background: #f8fafc;
  transform: translateX(5px);
}

.contact-info i {
  width: 40px;
  height: 40px;
  background: var(--ai-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info a {
  color: var(--ai-blue);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.contact-info a:hover {
  color: var(--ai-purple);
  text-decoration: underline;
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
  .page-banner h1 { 
    font-size: 2.2rem; 
  }
  
  .page-banner p {
    font-size: 1rem;
  }
  
  .section { 
    padding: 50px 20px; 
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .mission {
    padding: 30px 24px;
  }
  
  .mission p {
    font-size: 1.05rem;
    padding-left: 20px;
  }
  
  .values-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .contact-info {
    padding: 30px 24px;
  }
  
  .contact-info p {
    font-size: 1rem;
  }
}