/* Hero 区域 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 4.5rem;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--primary);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
}

.hero-title span {
  color: var(--primary);
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.hero-stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.hero-stat-label {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero-float-card {
  position: absolute;
  background: var(--white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: 10%;
  left: -10%;
}

.hero-float-card.card-2 {
  bottom: 15%;
  right: -5%;
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-image {
    display: none;
  }
}

/* 特性区域 */
.features {
  background: var(--white);
}

.feature-card {
  padding: 2rem;
  text-align: center;
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  margin: 0 auto 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* 产品区域 */
.products {
  background: var(--gray-50);
}

.product-card {
  background: var(--white);
}

.product-image {
  position: relative;
  padding-top: 75%;
  background: var(--gray-100);
  overflow: hidden;
}

.product-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-content {
  padding: 1.5rem;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.product-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: 0.5rem;
}

/* 案例区域 */
.cases {
  background: var(--white);
}

.case-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.case-image {
  position: relative;
  padding-top: 66.67%;
  background: var(--gray-200);
}

.case-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-image img {
  transform: scale(1.1);
}

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: var(--white);
}

.case-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  width: fit-content;
}

.case-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.case-desc {
  font-size: 0.9375rem;
  opacity: 0.9;
}

/* 新闻区域 */
.news {
  background: var(--gray-50);
}

.news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-image {
  position: relative;
  padding-top: 56.25%;
  background: var(--gray-200);
  overflow: hidden;
}

.news-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

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

.news-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

.news-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.news-card:hover .news-title {
  color: var(--primary);
}

.news-excerpt {
  font-size: 0.9375rem;
  color: var(--gray-500);
  flex: 1;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  margin-top: 1rem;
}

.news-link svg {
  transition: transform var(--transition-fast);
}

.news-card:hover .news-link svg {
  transform: translateX(4px);
}

/* CTA 区域 */
.cta {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  color: var(--white);
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.125rem;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* 合作伙伴 */
.partners {
  background: var(--white);
  padding: 3rem 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.partners-title {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.partner-logo {
  height: 2rem;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition);
}

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