/* 案例页样式 */

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 1.5rem;
}

.case-card {
  background: var(--color-bg-secondary);
  background-image: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-gold-primary);
  box-shadow: var(--shadow-gold);
}

.case-card-header {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.case-card-industry {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(184, 146, 74, 0.15);
  color: var(--color-gold-highlight);
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.case-card-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.case-card-client {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.case-card-body {
  padding: 1.5rem 2rem;
  flex: 1;
}

.case-card-summary {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--fs-sm);
  margin-bottom: 1.5rem;
  /* 固定高度：最多 3 行，超出省略，保证卡片整齐统一 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.5rem;
  margin: 0 2rem 1.5rem;
  background: rgba(184, 146, 74, 0.05);
  border: 1px solid rgba(184, 146, 74, 0.2);
  border-radius: var(--radius-md);
}

.case-metric {
  text-align: center;
}

.case-metric-value {
  font-family: var(--font-en);
  font-size: var(--fs-2xl);
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.case-metric-label {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
}

.case-card-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .case-card-metrics {
    margin: 0 1.5rem 1.5rem;
  }
}