/* ============================================================
   客户案例与合作伙伴页面样式
   ============================================================ */

.case-hero {
  position: relative;
  padding: clamp(4.5rem, 10vw, 7rem) 0;
  color: var(--color-white);
}

.case-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 92, 175, 0.95), rgba(0, 37, 85, 0.85));
}

.case-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hsyPXGbuu0IT.png') center/cover;
  opacity: 0.25;
}

.case-hero > .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 5vw, 3rem);
  align-items: center;
}

.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.case-filter-btn {
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--border-radius-full);
  border: 1px solid rgba(0, 92, 175, 0.2);
  background: rgba(0, 92, 175, 0.08);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.case-filter-btn:hover,
.case-filter-btn.active {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-white);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.case-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 92, 175, 0.08);
  box-shadow: 0 18px 38px rgba(9, 29, 61, 0.12);
  display: flex;
  flex-direction: column;
}

.case-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.case-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.case-card h3 {
  color: var(--color-dark-text);
  margin-bottom: 0;
}

.case-card p {
  color: var(--color-gray);
  flex: 1;
  margin-bottom: 0;
}

.case-meta {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
}

.case-link {
  align-self: flex-start;
}

.case-detail-hero {
  position: relative;
  padding: clamp(4rem, 9vw, 6.5rem) 0;
  color: var(--color-white);
}

.case-detail-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 92, 175, 0.9), rgba(10, 26, 56, 0.9));
}

.case-detail-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/85iqYCQVWmQQ.jpg') center/cover;
  opacity: 0.25;
}

.case-detail-hero > .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--spacing-lg);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.case-section {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 92, 175, 0.08);
  box-shadow: 0 18px 38px rgba(9, 29, 61, 0.1);
  margin-bottom: var(--spacing-xl);
}

.case-section h2,
.case-section h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-base);
}

.case-section p {
  color: var(--color-gray);
}

.case-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-section li {
  margin-bottom: var(--spacing-sm);
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-dark-text);
}

.case-section li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-xl);
}

.partner-card {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 92, 175, 0.08);
  box-shadow: 0 18px 38px rgba(9, 29, 61, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.partner-card h3 {
  color: var(--color-primary);
  margin-bottom: 0;
}

.partner-type {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
}

.partner-card p {
  color: var(--color-gray);
}

.partner-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-lg);
}

.partner-case {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, rgba(0, 92, 175, 0.1), rgba(77, 208, 225, 0.18));
  border: 1px solid rgba(0, 92, 175, 0.12);
}

.case-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-base);
  flex-wrap: wrap;
}

.case-navigation a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

@media (max-width: 768px) {
  .case-card img {
    height: 160px;
  }
}