/* ============================================
   成功案例页面样式
   ============================================ */

/* 页面标题区 */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 40px) 0 40px;
  background: var(--bg-secondary);
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

.page-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.page-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-desc {
  font-size: 18px;
  color: var(--text-secondary);
}

/* 案例列表区 */
.section-cases-list {
  background: var(--bg-primary);
  padding: 60px 0 120px;
}

/* 筛选栏 */
.filter-bar {
  margin-bottom: 40px;
}

.filter-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.filter-tab.active {
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-color: var(--primary);
}

/* 案例网格 */
.cases-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  cursor: pointer;
}

.case-item:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.case-item-image {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.case-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.case-item:hover .case-item-image img {
  transform: scale(1.05);
}

.case-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.case-item-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 100px;
}

.case-item-content {
  padding: 24px;
}

.case-item-category {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary-light);
  background: rgba(14, 165, 233, 0.1);
  border-radius: 100px;
  margin-bottom: 12px;
}

.case-item-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.case-item-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.case-item-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.case-item-stats {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-secondary);
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.page-btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.page-btn.active {
  color: white;
  background: var(--primary);
  border-color: var(--primary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.show {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  animation: modalIn 0.3s ease;
}

.modal-content-lg {
  max-width: 1000px;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.modal-body {
  padding: 0;
  overflow-y: auto;
  max-height: 90vh;
}

/* 案例详情 */
.case-detail-cover {
  width: 100%;
  aspect-ratio: 21/9;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.case-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-detail-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.case-detail-content {
  padding: 40px;
}

.case-detail-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.case-detail-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-detail-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.case-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.case-detail-meta span {
  font-size: 14px;
  color: var(--text-secondary);
}

.case-detail-meta .category {
  padding: 4px 12px;
  color: var(--primary-light);
  background: rgba(14, 165, 233, 0.1);
  border-radius: 100px;
}

.case-detail-section {
  margin-bottom: 32px;
}

.case-detail-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--primary);
}

.case-detail-section p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.case-detail-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.case-detail-stat {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
}

.case-detail-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.case-detail-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.case-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-detail-tag {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
}

.case-detail-honors {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-detail-honor {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.case-detail-honor-icon {
  font-size: 20px;
}

.case-detail-honor-text {
  font-size: 14px;
  color: var(--text-secondary);
}

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

@media (max-width: 768px) {
  .page-title {
    font-size: 36px;
  }
  
  .filter-tabs {
    gap: 8px;
  }
  
  .filter-tab {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .cases-list-grid {
    grid-template-columns: 1fr;
  }
  
  .case-detail-content {
    padding: 24px;
  }
  
  .case-detail-title {
    font-size: 22px;
  }
  
  .case-detail-stats {
    grid-template-columns: 1fr;
  }
}