.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.solution-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  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);
  text-decoration: none;
  color: inherit;
}

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

.solution-card-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-card-body {
  flex: 1;
}

.solution-card-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: var(--spacing-sm) 0;
}

.solution-card-body p {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.solution-systems {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.solution-systems span {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-gray-600);
}

.solution-card-arrow {
  flex-shrink: 0;
  color: var(--color-gray-400);
  transition: all var(--transition-base);
}

.solution-card:hover .solution-card-arrow {
  color: var(--color-cyan);
  transform: translateX(4px);
}

.solution-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;
}

.solution-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;
}

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

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

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

.pain-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.pain-point {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-radius: var(--border-radius-md);
  border-left: 3px solid var(--color-orange);
}

.pain-point .pain-num {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-orange);
  flex-shrink: 0;
}

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

.pain-point p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

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

.arch-diagram h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
}

.arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.arch-node {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-align: center;
  min-width: 120px;
}

.arch-node.core {
  background: var(--color-cyan);
  color: var(--color-primary);
}

.arch-node.sub {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-700);
}

.arch-arrow {
  color: var(--color-gray-400);
  font-size: var(--font-size-xl);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.advantage-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background: var(--color-gray-50);
}

.advantage-item .adv-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(135deg, var(--color-cyan), var(--color-cyan-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-white);
}

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

.advantage-item p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

.case-card {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  margin: var(--spacing-xl) 0;
  border-left: 4px solid var(--color-cyan);
}

.case-card .case-label {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0,212,170,0.1);
  color: var(--color-cyan);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.case-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.case-card p {
  color: var(--color-gray-600);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .pain-points {
    grid-template-columns: 1fr;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .solution-card {
    flex-direction: column;
    text-align: center;
  }
  .solution-card-icon {
    margin: 0 auto;
  }
  .solution-systems {
    justify-content: center;
  }
  .solution-card-arrow {
    display: none;
  }
  .arch-flow {
    flex-direction: column;
  }
  .arch-arrow {
    transform: rotate(90deg);
  }
  .solution-detail-banner h1 {
    font-size: var(--font-size-3xl);
  }
}