.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-cyan);
}

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.product-abbr {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 1px;
}

.product-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.product-card p {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  flex: 1;
}

.product-card .btn {
  align-self: flex-start;
}

.product-detail-banner {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary-lighter) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.product-detail-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='%2300D4AA' fill-opacity='0.03'%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: 0.5;
}

.product-detail-banner .container {
  position: relative;
  z-index: 1;
}

.product-detail-banner .product-abbr-large {
  font-size: var(--font-size-6xl);
  font-weight: 700;
  color: var(--color-cyan);
  opacity: 0.15;
  position: absolute;
  right: var(--spacing-xl);
  top: 50%;
  transform: translateY(-50%);
  letter-spacing: 4px;
}

.product-detail-banner h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.product-detail-banner .product-tagline {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  max-width: 700px;
}

.product-detail-section {
  padding: var(--spacing-4xl) 0;
}

.product-arch {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-3xl);
  margin: var(--spacing-2xl) 0;
}

.product-arch h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.arch-modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.arch-module {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.arch-module:hover {
  border-color: var(--color-cyan);
  box-shadow: var(--shadow-md);
}

.arch-module .module-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(0,212,170,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--color-cyan);
}

.arch-module h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 4px;
}

.arch-module p {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.scenarios-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.scenario-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-gray-50);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.scenario-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-cyan);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .arch-modules {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenarios-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .arch-modules {
    grid-template-columns: 1fr;
  }
  .scenarios-list {
    grid-template-columns: 1fr;
  }
  .product-detail-banner .product-abbr-large {
    display: none;
  }
  .product-detail-banner h1 {
    font-size: var(--font-size-3xl);
  }
}