/* ============================================
   全产品目录页 - 侧边筛选 + 产品网格布局
   ============================================ */

/* ===== 面包屑 ===== */
.catalog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid hsl(var(--border) / 0.5);
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.catalog-breadcrumb a {
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  transition: color 0.2s;
}

.catalog-breadcrumb a:hover {
  color: #222222;
}

.catalog-breadcrumb svg {
  color: hsl(var(--border));
}

.catalog-breadcrumb span {
  color: #222222;
  font-weight: 600;
}

/* ===== 页面标题 ===== */
.catalog-header {
  padding-top: 3rem;
  padding-bottom: 2rem;
}

.catalog-header-bar {
  width: 3rem;
  height: 0.25rem;
  background-color: hsl(var(--primary));
  margin-bottom: 0.75rem;
}

.catalog-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #222222;
}

.catalog-subtitle {
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
  max-width: 42rem;
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* ===== 主体布局: 侧边栏 + 内容区 ===== */
.catalog-body {
  display: flex;
  gap: 2rem;
  padding: 0 4rem;
  max-width: 1700px;
  margin: 0 auto;
  position: relative;
}

/* ===== 移动端筛选按钮 ===== */
.catalog-filter-toggle {
  display: none;
  position: sticky;
  top: calc(var(--header-height, 64px) + 1rem);
  z-index: 20;
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 0.5rem;
  color: #222222;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

/* ===== 侧边栏 ===== */
.catalog-sidebar {
  width: 20rem;
  flex-shrink: 0;
  border-right: 1px solid hsl(var(--border) / 0.5);
  padding: 2rem 2rem 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: sticky;
  top: calc(var(--header-height, 64px) + 1rem);
  height: fit-content;
  max-height: calc(100vh - var(--header-height, 64px) - 2rem);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: hsl(var(--primary));
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.sidebar-reset {
  background: none;
  border: none;
  color: hsl(var(--muted-foreground));
  font-size: 0.9525rem;
  cursor: pointer;
  transition: color 0.2s;
}

.sidebar-reset:hover {
  color: #222222;
}

/* ===== 筛选区块 ===== */
.filter-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-section-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #222222;
}

/* 自定义复选框 */
.filter-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: color 0.2s;
}

.filter-checkbox input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 1rem;
  height: 1rem;
  border: 1.5px solid hsl(var(--primary));
  border-radius: 0.125rem;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  transition: all 0.15s;
}

.filter-checkbox input:checked + .checkmark {
  background-color: hsl(var(--primary));
}

.filter-checkbox input:checked + .checkmark::after {
  content: '';
  display: block;
  width: 0.375rem;
  height: 0.625rem;
  border: solid hsl(var(--primary-foreground));
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

.filter-label {
  font-size: 0.875rem;
  color: hsl(0deg 0% 48.33%);
  font-weight: 500;
  transition: color 0.2s;
}

.filter-checkbox:hover .filter-label {
  color: #25d0d0;
}

/* 下拉选择框 */
.filter-select-wrap {
  width: 100%;
}

.filter-select {
  width: 100%;
  height: 2.5rem;
  padding: 0 0.75rem;
  background: #ffffff;
  border: 1px solid hsl(var(--border));
  border-radius: 0.375rem;
  color: #222222;
  font-size: 0.875rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.filter-select:focus {
  border-color: hsl(var(--primary));
}

/* ===== 侧边栏 CTA ===== */
.sidebar-cta {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid hsl(var(--border) / 0.5);
}

.sidebar-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  height: 3rem;
  padding: 0 2rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-radius: 0.375rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 0 15px -3px hsl(var(--primary) / 0.3);
}

.sidebar-cta-btn:hover {
  background: hsl(var(--primary-hover));
  transform: scale(0.98);
}

.sidebar-cta-btn:active {
  transform: scale(0.95);
}

/* ===== 产品主区域 ===== */
.catalog-main {
  flex: 1;
  min-width: 0;
  padding: 2rem 0 2rem 2rem;
  display: flex;
  flex-direction: column;
}

/* 排序栏 */
.catalog-sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid hsl(var(--border) / 0.5);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.catalog-count {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.catalog-count strong {
  color: #222222;
}

.catalog-sort {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sort-label {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.catalog-sort .filter-select-wrap {
  width: 12rem;
}

/* ===== 产品网格 ===== */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
}

/* ===== 产品卡片 ===== */
.catalog-card {
  background: hsl(var(--card) / 0.4);
  backdrop-filter: blur(4px);
  border-radius: 0.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.catalog-card:hover {
  border-color: hsl(var(--primary) / 0.3);
}

/* 卡片图片 */
.catalog-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: hsl(var(--muted) / 0.2);
}

.catalog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.catalog-card:hover .catalog-card-image img {
  transform: scale(1.1);
}

.catalog-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  backdrop-filter: blur(8px);
}

.catalog-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.catalog-card:hover .catalog-card-overlay {
  opacity: 1;
}

.catalog-card-detail-btn {
  padding: 0.5rem 2rem;
  background: #fff;
  color: #000;
  border: none;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.2s;
}

.catalog-card-detail-btn:hover {
  background: hsl(0 0% 90%);
}

/* 卡片内容 */
.catalog-card-body {
  background : #ffffff;
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.catalog-card-category {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: hsl(var(--accent));
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.catalog-card-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #222222;
  line-height: 1.2;
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.catalog-card:hover .catalog-card-name {
  color: hsl(var(--primary));
}

/* 规格 */
.catalog-card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid hsl(var(--border) / 0.5);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
}

.catalog-spec {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.catalog-spec-icon {
  padding: 0.375rem;
  border-radius: 0.375rem;
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.catalog-spec-info {
  display: flex;
  flex-direction: column;
}

.catalog-spec-label {
  font-size: 0.625rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.catalog-spec-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: #222222;
}

/* 标签 */
.catalog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.catalog-tag {
  font-size: 0.625rem;
  padding: 0 0.5rem;
  border: 1px solid hsl(var(--muted-foreground) / 0.2);
  border-radius: 9999px;
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
}

/* 卡片底部 */
.catalog-card-footer {
  background : #ffffff;
  padding: 1.5rem;
  padding-top: 0;
  border-top: 1px solid hsl(var(--border) / 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  
}

.catalog-card-footer-info {
  display: flex;
  flex-direction: column;
}

.catalog-footer-label {
  font-size: 0.625rem;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.catalog-footer-value {
  font-size: 0.75rem;
  font-weight: 600;
}

.catalog-card-inquiry {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #222222;
  transition: all 0.2s;
}

.catalog-card-inquiry:hover {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

/* ===== CTA 区域 ===== */
.catalog-cta {
  margin-top: 3rem;
  padding: 3rem 2rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, hsl(var(--primary) / 0.1), hsl(var(--accent) / 0.05), hsl(var(--primary) / 0.1));
  border: 1px solid hsl(var(--primary) / 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.catalog-cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #222222;
}

.catalog-cta-desc {
  font-size: 1rem;
  color: hsl(var(--muted-foreground));
  max-width: 42rem;
  line-height: 1.6;
}

.catalog-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* ===== 空状态 ===== */
.catalog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: hsl(var(--muted-foreground));
}

.catalog-empty svg {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.catalog-empty p {
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1023px) {
  .catalog-body {
    padding: 0 2rem;
  }

  .catalog-filter-toggle {
    display: flex;
  }

  .catalog-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    width: 20rem;
    background: hsl(var(--background));
    border-right: 1px solid hsl(var(--border));
    padding: 1.5rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    max-height: 100vh;
    overflow-y: auto;
  }

  .catalog-sidebar.open {
    transform: translateX(0);
  }

  .catalog-main {
    padding-left: 0;
  }
}

@media (max-width: 640px) {
  .catalog-body {
    padding: 0 1rem;
  }

  .catalog-header {
    padding-top: 2rem;
    padding-bottom: 1.5rem;
  }

  .catalog-sort-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog-sort {
    width: 100%;
  }

  .catalog-sort .filter-select-wrap {
    flex: 1;
  }

  .catalog-cta {
    padding: 2rem 1.5rem;
    margin-top: 2rem;
  }
}