/* 成功案例页 — 卡片与筛选优化 */

.cases-filter-wrap {
  margin-bottom: 2.25rem;
  position: relative;
}

.cases-filter-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 2rem;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--bg-primary));
  opacity: 0.85;
}

.cases-filter {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  justify-content: flex-start;
  margin-bottom: 0;
  overflow-x: auto;
  padding: 0.25rem 0 0.75rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.cases-filter::-webkit-scrollbar {
  display: none;
}

.cases-filter-btn {
  flex: 0 0 auto;
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  white-space: nowrap;
}

@media (min-width: 900px) {
  .cases-filter-wrap::after {
    display: none;
  }

  .cases-filter {
    flex-wrap: wrap;
    justify-content: center;
    overflow: visible;
    padding-bottom: 0;
  }
}

.cases-grid {
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (min-width: 1200px) {
  .cases-grid {
    max-width: 1080px;
    margin: 0 auto;
  }
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  position: relative;
  border-radius: 18px;
}

.case-card:hover {
  transform: translateY(-3px);
}

.case-cover {
  position: relative;
  min-height: 112px;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.14), transparent 42%),
    linear-gradient(135deg, color-mix(in srgb, var(--case-accent, #0066CC) 88%, #000), color-mix(in srgb, var(--case-accent, #0066CC) 62%, #0B1120));
}

.case-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.45;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent);
}

.case-cover-content {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.case-cover-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  flex: none;
}

.case-cover-icon .icon-svg {
  width: 22px;
  height: 22px;
}

.case-cover-meta {
  min-width: 0;
  flex: 1;
}

.case-cover-industry {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.case-cover-service {
  display: inline-flex;
  margin-top: 0.35rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.case-card .case-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.35rem 1.15rem;
}

.case-card .case-tag {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--brand-primary, #0066cc);
  background: rgba(0, 102, 204, 0.1);
  border: 1px solid rgba(0, 102, 204, 0.18);
}

.case-card .case-tag--service {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
}

.case-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.case-card h3 {
  font-size: 1.0625rem;
  line-height: 1.45;
  margin-bottom: 0.65rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.case-card .case-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.case-metric-chip {
  padding: 0.55rem 0.7rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
}

.case-metrics .metric-label {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
  letter-spacing: 0.03em;
}

.case-metrics .metric-value {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--accent-cyan);
}

.case-card-footer {
  margin-top: 1rem;
  padding-top: 0.15rem;
}

.case-detail-link {
  margin-top: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--accent-cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  gap: 0.25rem;
}

.case-detail-link:hover {
  background: transparent;
  border-color: transparent;
  color: #fff;
}

.case-detail-link svg {
  transition: transform 0.2s ease;
}

.case-card:hover .case-detail-link svg {
  transform: translateX(3px);
}

.cases-count {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: -0.75rem 0 1.5rem;
}