/* ============================================
   首页自定义样式 - 覆盖Cartzilla默认
   ============================================ */

/* 0. 品牌色覆写 — 深蓝科技风 */
:root {
  --cz-primary: #1a56db;
  --cz-primary-rgb: 26, 86, 219;
  --cz-primary-text-emphasis: #1340a0;
  --cz-primary-bg-subtle: #e8edfb;
  --cz-primary-border-subtle: #cdd8f6;
  --cz-info: #1a56db;
  --cz-info-rgb: 26, 86, 219;
  --cz-dark: #0f172a;
  --cz-dark-rgb: 15, 23, 42;
}

/* btn-primary — Cartzilla hardcodes, must override */
.btn-primary {
  --cz-btn-bg: #1a56db;
  --cz-btn-border-color: #1a56db;
  --cz-btn-hover-bg: #1340a0;
  --cz-btn-hover-border-color: #1340a0;
  --cz-btn-active-bg: #0f3380;
  --cz-btn-active-border-color: #0f3380;
  --cz-btn-disabled-bg: #1a56db;
  --cz-btn-disabled-border-color: #1a56db;
  background-color: #1a56db;
  border-color: #1a56db;
}
.btn-primary:hover {
  background-color: #1340a0;
  border-color: #1340a0;
}

/* btn-outline-primary — Cartzilla hardcodes, must override */
.btn-outline-primary {
  --cz-btn-color: #1a56db;
  --cz-btn-border-color: #1a56db;
  --cz-btn-hover-color: #fff;
  --cz-btn-hover-bg: #1a56db;
  --cz-btn-hover-border-color: #1a56db;
  --cz-btn-focus-shadow-rgb: 26,86,219;
  --cz-btn-active-color: #fff;
  --cz-btn-active-bg: #1340a0;
  --cz-btn-active-border-color: #1340a0;
  --cz-btn-disabled-color: #1a56db;
  --cz-btn-disabled-border-color: #1a56db;
  color: #1a56db;
  border-color: #1a56db;
}
.btn-outline-primary:hover {
  background-color: #1a56db;
  border-color: #1a56db;
  color: #fff;
}

/* 2. 分类导航侧栏 - 亮色风格 */
.category-sidebar .category-nav-item {
  transition: background-color 0.15s ease, color 0.15s ease;
}
.category-sidebar .category-nav-item:hover {
  background-color: var(--cz-primary-bg-subtle);
  color: var(--cz-primary);
}
.category-sidebar .category-nav-item:hover i {
  color: var(--cz-primary) !important;
}
.category-sidebar .category-nav-item.active {
  background-color: var(--cz-primary-bg-subtle);
  color: var(--cz-primary);
  border-left: 3px solid var(--cz-primary);
}

/* 3. Hero轮播区 */
.hero-section {
  background: var(--cz-body-bg);
}

/* 4. 产品卡片 - 元器件风格 */
.product-card .part-number {
  font-family: 'Courier New', monospace;
  font-weight: 600;
}

/* 5. 制造商Logo - 旧样式，已被Section 6新方案替代 */
/* .brand-logo { filter: grayscale(100%); opacity: 0.6; transition: all 0.3s; }
   .brand-logo:hover { filter: grayscale(0); opacity: 1; } */

/* 5b. Manufacturer Cards (Section 6) */
.manufacturer-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.manufacturer-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}
.manufacturer-card:hover img {
  filter: grayscale(0%) !important;
}

/* 6. 统计数字 */
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

/* 7. A-Z字母索引 */
.az-index .nav-link {
  min-width: 2rem;
  text-align: center;
  padding: 0.375rem 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all 0.15s;
}
.az-index .nav-link:hover {
  background-color: var(--cz-primary);
  color: #fff;
  border-color: var(--cz-primary);
}

/* 7b. Part Number Card hover */
.part-number-card.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  background-color: #fff;
}
.part-number-card.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border-color: var(--cz-primary) !important;
}

/* 8. (removed: Hot Sale垂直轮播已废弃) */

/* 9. 搜索框增强 */
.search-box .input-group .form-control:focus {
  box-shadow: none;
  border-color: var(--cz-border-color);
}
.search-box .input-group:focus-within {
  box-shadow: 0 0 0 0.2rem rgba(var(--cz-primary-rgb), 0.2);
  border-radius: 2rem;
}

/* 10. 中间Banner */
.center-banner img {
  border-radius: var(--cz-border-radius-lg);
}

/* 11. Product card RFQ按钮 */
.btn-xs {
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  line-height: 1.5;
  border-radius: var(--cz-border-radius-sm);
}

/* 12. Tools Tab区紧凑产品行 */
.tools-product-row .btn-xs {
  min-width: 52px;
}

/* 13. Hero轮播高度响应式 */
@media (max-width: 991.98px) {
  .hero-section .swiper {
    height: 240px !important;
  }
}

/* 14. 分类侧栏滚动条美化 */
.category-sidebar::-webkit-scrollbar {
  width: 4px;
}
.category-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.category-sidebar::-webkit-scrollbar-thumb {
  background: var(--cz-gray-300);
  border-radius: 2px;
}

/* 15. Live Chat按钮脉冲动画 */
.live-chat-pulse {
  animation: liveChatPulse 2s infinite;
}
@keyframes liveChatPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--cz-primary-rgb), 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(var(--cz-primary-rgb), 0); }
}

/* ---- 新增样式 ---- */

/* 16. 分类hover子类面板 - 白色背景与暗色侧栏对比 */
.category-sub-panel {
  position: absolute;
  top: 0;
  left: 100%;
  width: 300px;
  min-height: 100%;
  z-index: 5;
  background: #fff;
  border: 1px solid var(--cz-border-color);
  border-left: none;
  border-radius: 0 var(--cz-border-radius-lg) var(--cz-border-radius-lg) 0;
  box-shadow: 4px 4px 16px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  color: var(--cz-body-color);
}
.category-sub-panel .sub-link {
  font-size: 0.8125rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--cz-border-radius-sm);
  transition: all 0.15s;
  display: block;
  color: var(--cz-body-color);
  text-decoration: none;
}
.category-sub-panel .sub-link:hover {
  background-color: var(--cz-primary-bg-subtle);
  color: var(--cz-primary);
}

/* 17. Hero轮播桌面端固定高度 */
.hero-carousel-wrapper .swiper {
  height: 410px;
}
@media (max-width: 991.98px) {
  .hero-carousel-wrapper .swiper {
    height: 240px;
  }
}

/* 18. New Arrivals Banner已改为内联暗色风格，无需额外CSS */

/* 19. Hot Sale区样式 */
.hover-shadow {
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.hover-shadow:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

/* 20. Live Chat面板 */
.live-chat-panel {
  width: 340px;
  max-height: 480px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border-radius: 1rem 1rem 0 0;
}

/* 21. 回到顶部按钮 */
.btn-scroll-top {
  transition: opacity 0.3s, transform 0.3s;
}

/* 22. 移动端搜索下拉增强 */
#searchDropdown {
  max-height: 320px;
  overflow-y: auto;
}

/* 23. Blog Section - Featured & Cards */
.blog-featured {
  transition: box-shadow 0.3s ease;
}
.blog-featured:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.blog-featured:hover img {
  transform: scale(1.04);
}
.blog-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.blog-card:hover img {
  transform: scale(1.05);
}

/* 24. Subscribe Banner */
.subscribe-banner .input-group-lg .form-control {
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
}
.subscribe-banner .input-group-lg .form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(var(--cz-primary-rgb), 0.15);
}

/* 25. 产品表格 - 浮动表头 + 冻结列 */
.product-table th,
.product-table td {
  white-space: nowrap;
}
.product-sticky-col {
  position: sticky;
  z-index: 1;
}
.product-sticky-col[data-sticky="0"] {
  left: 0;
}
.product-sticky-col[data-sticky="1"] {
  left: 0;
}
.product-sticky-col[data-sticky="2"] {
  left: 0;
}
.product-sticky-col {
  background-color: #fff;
}
thead .product-sticky-col {
  background-color: #f6f7f9;
}
.product-sticky-edge {
  box-shadow: 4px 0 8px -4px rgba(0,0,0,.12);
}
.product-table-wrap tr:hover .product-sticky-col {
  background-color: #f6f7f9;
}
.product-table-wrap thead tr:hover .product-sticky-col {
  background-color: #f6f7f9;
}
.product-table-head-clone {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1030;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.product-table-head-clone.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.product-table-head-clone table {
  margin-bottom: 0;
}
.product-table-head-clone thead {
  display: table-header-group;
}
.product-table-head-clone tbody {
  display: none;
}
.product-table-head-clone .product-sticky-col {
  position: sticky;
  z-index: 2;
}

/* 26. 产品表格 - 浮动横向滚动条 */
.product-float-scrollbar {
  height: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  background: #fff;
  border-top: 1px solid var(--cz-border-color);
  position: fixed;
  bottom: 0;
  z-index: 1029;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  -webkit-overflow-scrolling: touch;
}
.product-float-scrollbar.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.product-float-scrollbar-inner {
  height: 1px;
}