/* 现代化方案列表页面样式 */

/* 页面整体布局 */
.solutions-page {
  background-color: var(--bg-color);
  min-height: calc(100vh - 200px);
}

/* 页面头部 */
.solutions-header {
  color: white;
  padding: 2rem 0;
  margin-bottom: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.breadcrumb-nav {
  margin-bottom: 1rem;
}

.breadcrumb-item a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: white;
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.9);
}

.page-title-section {
  text-align: center;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 0;
}

/* 页面布局 */
.solutions-layout {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
}

/* 侧边栏 */
.solutions-sidebar {
  flex: 0 0 280px;
  position: sticky;
  top: 100px;
  align-self: flex-start;
}

.filter-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s ease;
}

.filter-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--bg-secondary-color);
  border-bottom: 1px solid var(--border-color);
}

.filter-title {
  margin-bottom: 0;
  font-weight: 600;
  color: var(--text-color);
}

.filter-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.2rem;
  padding: 0.25rem;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.filter-toggle.collapsed .fa-chevron-down {
  transform: rotate(180deg);
}

.filter-content {
  padding: 1.25rem;
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.search-input-group {
  position: relative;
}

.search-input-group .filter-input {
  padding-right: 2.5rem;
}

.search-btn {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  background: var(--primary-color);
  border: none;
  color: white;
  padding: 0 0.75rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  cursor: pointer;
  transition: background 0.3s ease;
}

.search-btn:hover {
  background: var(--primary-hover-color);
}

.filter-select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  color: var(--text-color);
}

.filter-checkbox {
  margin-bottom: 0;
}

.filter-checkbox .form-check-input {
  margin-top: 0.25rem;
}

.filter-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.filter-submit {
  flex: 1;
}

.filter-reset {
  flex: 1;
}

/* 主内容区 */
.solutions-main {
  flex: 1;
  min-width: 0;
}

/* 工具栏 */
.solutions-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.toolbar-left {
  flex: 1;
}

.search-results-info h4 {
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.toolbar-right {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* 视图切换 */
.view-toggle {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.view-btn {
  background: var(--card-bg);
  border: none;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-color);
}

.view-btn:hover {
  background: var(--bg-secondary-color);
}

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

/* 排序选项 */
.sort-select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--card-bg);
  color: var(--text-color);
  min-width: 180px;
}

/* 方案网格 */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.solutions-grid.list-view {
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.solutions-grid.list-view .solution-item {
  max-width: 100%;
}

/* 列表视图下的方案项 */
.solutions-grid.list-view .solution-card {
  flex-direction: row;
}

.solutions-grid.list-view .product-image-wrapper {
  flex: 0 0 250px;
  height: auto;
}

.solutions-grid.list-view .product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.solutions-grid.list-view .solution-meta {
  margin-top: auto;
}

/* 方案项 */
.solution-item {
  transition: all 0.3s ease;
}

/* 方案图片 */
.solution-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.solutions-grid .solution-card:hover .solution-image {
  transform: scale(1.05);
  filter: brightness(1.05) contrast(1.05);
}

/* 方案信息 */
.solution-title {
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.3;
}

.solution-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.solution-title a:hover {
  color: var(--primary-color);
}

.solution-summary {
  color: var(--text-secondary-color);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* 方案元数据 */
.solution-meta {
  margin-top: auto;
}

.solution-meta-info {
  margin-bottom: 1rem;
}

.solution-meta-info > div {
  margin-bottom: 0.25rem;
}

.solution-category,
.solution-date,
.solution-views {
  color: var(--text-secondary-color);
  font-size: 0.85rem;
}

/* 方案操作按钮 */
.product-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.view-details-btn {
  flex: 1;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  text-decoration: none;
  text-align: center;
}

/* 无方案时的样式 */
.no-solutions {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.no-solutions-content h4 {
  margin: 1rem 0 0.5rem;
  color: var(--text-color);
}

/* 分页 */
.solutions-pagination {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.pagination {
  margin-bottom: 0;
  justify-content: center;
}

.page-link {
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  background: var(--card-bg);
  transition: all 0.3s ease;
  margin: 0 0.125rem;
  border-radius: var(--border-radius);
}

.page-link:hover {
  background: var(--bg-secondary-color);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.page-link i {
  font-size: 0.8rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .solutions-layout {
    gap: 1.5rem;
  }
  
  .solutions-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  .solution-image {
    height: 200px;
  }
}

@media (max-width: 992px) {
  .solutions-layout {
    flex-direction: column;
  }
  
  .solutions-sidebar {
    position: static;
    flex: none;
    width: 100%;
  }
  
  .filter-header {
    cursor: pointer;
  }
  
  .solutions-toolbar {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  .toolbar-right {
    justify-content: space-between;
  }
  
  .solutions-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
  }
  
  .solution-image {
    height: 180px;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .view-details-btn {
    width: 100%;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .solution-summary {
    -webkit-line-clamp: 2;
  }
}

@media (max-width: 768px) {
  .solutions-header {
    padding: 1.5rem 0;
    margin-bottom: 1.5rem;
  }
  
  .page-title {
    font-size: 1.75rem;
  }
  
  .page-subtitle {
    font-size: 1rem;
  }
  
  .solutions-toolbar {
    padding: 0.75rem;
  }
  
  .solutions-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
  }
  
  .solution-image {
    height: 160px;
  }
  
  .product-info {
    padding: 1rem;
  }
  
  .product-name {
    font-size: 1rem;
  }
  
  .filter-actions {
    flex-direction: column;
  }
  
  .sort-select {
    min-width: 120px;
    font-size: 0.9rem;
  }
  
  .view-toggle {
    font-size: 0.9rem;
  }
  
  .view-btn {
    padding: 0.4rem 0.6rem;
  }
  
  .solution-summary {
    -webkit-line-clamp: 3;
  }
}

@media (max-width: 576px) {
  .solutions-header {
    padding: 1rem 0;
    margin-bottom: 1rem;
  }
  
  .page-title {
    font-size: 1.5rem;
  }
  
  .solutions-toolbar {
    padding: 0.5rem;
  }
  
  .toolbar-right {
    flex-direction: column;
    gap: 0.5rem;
    align-items: stretch;
  }
  
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* 修复：只在非列表视图时才改变方向 */
  .solutions-grid:not(.list-view) .solution-card {
    flex-direction: column;
  }
  
  /* 在列表视图中保持行方向，但在小屏幕上调整样式 */
  .solutions-grid.list-view .solution-card {
    flex-direction: column;
  }
  
  .solutions-grid.list-view .product-image-wrapper {
    flex: none;
    height: 200px;
  }
  
  .solutions-grid.list-view .product-info {
    padding: 1rem;
  }
  
  .solution-image {
    height: 200px;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .view-details-btn {
    width: 100%;
  }
  
  .solutions-pagination {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
  }
  
  .page-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .filter-content {
    padding: 1rem;
  }
  
  .solution-summary {
    -webkit-line-clamp: 4;
  }
}