/* 典型案例 */
.cases {
  padding: var(--section-padding);
  position: relative;
  background: var(--bg-secondary);
}

.cases-header {
  text-align: center;
  margin-bottom: 64px;
}

.cases-header .section-desc {
  margin: 0 auto;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.case-tag.tag-water { background: rgba(0, 240, 255, 0.1); color: var(--neon-cyan); border: 1px solid rgba(0, 240, 255, 0.2); }
.case-tag.tag-transport { background: rgba(77, 124, 255, 0.1); color: var(--neon-blue); border: 1px solid rgba(77, 124, 255, 0.2); }
.case-tag.tag-agriculture { background: rgba(0, 255, 136, 0.1); color: var(--neon-green); border: 1px solid rgba(0, 255, 136, 0.2); }
.case-tag.tag-culture { background: rgba(168, 85, 247, 0.1); color: var(--neon-purple); border: 1px solid rgba(168, 85, 247, 0.2); }
.case-tag.tag-medical { background: rgba(236, 72, 153, 0.1); color: #ec4899; border: 1px solid rgba(236, 72, 153, 0.2); }

.case-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.case-client {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.case-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.case-result {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.1);
}

.case-result-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--neon-cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-result ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-result li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.case-result li::before {
  content: '✓';
  color: var(--neon-green);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* 响应式 */
@media (max-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
}