/* =============================================
   home.css — Home 页面模块样式
   依赖 common.css 所提供的 CSS 变量
   ============================================= */

/* =============================================
   LAYOUT — 页面骨架
   ============================================= */
.page-home {
  background-color: #f5f5f5;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  background-color: var(--color-text-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* 顶栏：logo + 搜索 + 用户操作 */
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo img {
  height: 96px;
  width: auto;
  object-fit: contain;
}

/* 搜索栏 */
.header-search {
  flex: 1;
  max-width: 680px;
  position: relative;
}

.header-search-input {
  width: 100%;
  height: 48px;
  padding: 0 56px 0 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--color-text-body);
  background: #fff;
  transition: border-color var(--transition-base);
}

.header-search-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.header-search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

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

.header-search-btn svg,
.header-search-btn img {
  width: 18px;
  height: 18px;
}

.header-search-btn svg {
  stroke: #fff;
}

.header-search-btn img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* 用户工具区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.action-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  cursor: pointer;
  color: #fff;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.action-icon-btn:hover {
  opacity: 0.8;
}

.action-icon-btn svg,
.action-icon-btn img {
  width: 24px;
  height: 24px;
}

.action-icon-btn svg {
  stroke: #fff;
}

.action-icon-btn img {
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.action-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 50px;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.action-badge--green {
  background: #28a745;
}

/* 用户下拉菜单触发器 */
.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  text-decoration: none;
  position: relative;
}

.header-user__name {
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
}

.header-user svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  transition: transform var(--transition-base);
}

.header-user .chevron-down-svg {
  width: 14px;
  height: 14px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: transform var(--transition-base);
}

.header-user.open svg {
  transform: rotate(180deg);
}

.header-user.open .chevron-down-svg {
  transform: rotate(180deg);
}

/* 用户头像占位 — 覆盖 .header-user svg 的 14px 规则 */
.user-avatar,
.header-user .user-avatar {
  width: 24px;
  height: 24px;
  stroke: #fff;
}

/* 导航栏 */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  height: 52px;
  background: var(--color-text-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-link {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Vehicle Fitment 按钮 */
.btn-vehicle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  background: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

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

.btn-vehicle svg,
.btn-vehicle img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-vehicle svg {
  stroke: #fff;
}

.btn-vehicle img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  flex-shrink: 0;
}

/* =============================================
   BANNER / HERO SLIDER
   ============================================= */
.home-banner {
  position: relative;
  overflow: hidden;
  height: 480px;
  background: #111;
}

@media (max-width: 768px) {
  .home-banner { height: 300px; }
}

.banner-slides {
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.banner-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  flex-shrink: 0;
}

.banner-slide__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.banner-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72), rgba(0,0,0,0.28));
}

.banner-slide__content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 60px;
}

.banner-slide__text {
  max-width: 600px;
}

.banner-slide__tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.banner-slide__title {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 16px;
}

.banner-slide__desc {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
  margin-bottom: 32px;
  max-width: 480px;
}

.banner-slide__cta {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.banner-slide__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* 左右箭头 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-base);
  z-index: 10;
}

.banner-arrow:hover {
  background: rgba(255,255,255,0.35);
}

.banner-arrow svg,
.banner-arrow img {
  width: 24px;
  height: 24px;
}.banner-arrow svg, .banner-arrow img{
  stroke: #fff;
}

.home-banner .banner-arrow img {
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.banner-arrow--prev { left: 24px; }
.banner-arrow--next { right: 24px; }

/* 指示点 */
.banner-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  align-items: center;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50px;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base), width var(--transition-base);
  padding: 0;
}

.banner-dot.active {
  background: var(--color-primary);
  width: 28px;
}

/* =============================================
   MAIN LAYOUT (Sidebar + Content)
   ============================================= */
.home-main {
  display: flex;
  gap: 24px;
  max-width: 1920px;
  margin: 0 auto;
  padding: 24px 60px;
}

/* 侧边栏占位（如有），当前设计 main content 占满 */
.home-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* =============================================
   WELCOME SECTION
   ============================================= */
.welcome-section {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 24px;
}

.welcome-section__heading {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}

.welcome-section__notice {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.welcome-section__notice svg,
.welcome-section__notice img {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}.welcome-section__notice svg, .welcome-section__notice img{
  stroke: var(--color-primary);
}

.welcome-section__notice img {
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(20%) sepia(87%) saturate(6139%) hue-rotate(352deg) brightness(93%) contrast(90%);
}

.welcome-section__notice a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
}

.welcome-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: #fafafa;
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  border: 1px solid transparent;
}

.stat-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-border);
  transform: translateY(-1px);
}

.stat-card__icon-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card__icon--red   { background: #fff0f0; }
.stat-card__icon--green { background: #f0fff4; }
.stat-card__icon--dark  { background: var(--color-text-dark); color: #fff; }

.stat-card__icon svg,
.stat-card__icon img {
  width: 20px;
  height: 20px;
}

.stat-card__icon--red svg {
  stroke: var(--color-primary);
}

.stat-card__icon--green svg {
  stroke: #28a745;
}

.stat-card__icon--red img,
.stat-card__icon--green img {
  object-fit: contain;
}

.stat-card__icon--red img {
  filter: brightness(0) saturate(100%) invert(20%) sepia(87%) saturate(6139%) hue-rotate(352deg) brightness(93%) contrast(90%);
}

.stat-card__icon--green img {
  filter: brightness(0) saturate(100%) invert(44%) sepia(68%) saturate(535%) hue-rotate(91deg) brightness(94%) contrast(90%);
}

.stat-card__icon--dark span {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.stat-card__value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-dark);
  line-height: 1.5;
}

.stat-card__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* =============================================
   FEATURED PRODUCTS
   ============================================= */
.featured-section {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 32px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-header__left .section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text-dark);
  line-height: 1.5;
  margin-bottom: 4px;
}

.section-header__left .section-subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.btn-view-all {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color var(--transition-base);
}

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

/* 商品卡片网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 商品卡片 */
.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.product-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

/* 图片容器 */
.product-card__image-wrap {
  position: relative;
  height: 200px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 12px;
}

.product-card__image-wrap img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* 信息区 */
.product-card__body {
  padding: 20px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card__sku {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.product-card__name {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-dark);
  line-height: 1.4;
  min-height: 50px;
}

.product-card__pricing {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}

.product-card__rrp {
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: line-through;
  line-height: 1.5;
}

.product-card__price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.product-card__price {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
}

.product-card__gst {
  font-size: 13px;
  color: var(--color-text-muted);
}

.product-card__price--mask {
  color: var(--color-text-muted);
}

.product-card__hint {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
}

/* 库存状态 */
.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  align-self: flex-start;
  margin-top: 4px;
}

.stock-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stock-badge--in {
  background: #e8f5e9;
  color: #28a745;
}
.stock-badge--in .stock-badge__dot { background: #28a745; }

.stock-badge--low {
  background: #fff9e5;
  color: #ff9800;
}
.stock-badge--low .stock-badge__dot { background: #ff9800; }

.stock-badge--out {
  background: #ffe7e5;
  color: var(--color-primary);
}
.stock-badge--out .stock-badge__dot { background: var(--color-primary); }

/* 操作按钮区 */
.product-card__actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.btn-add-cart {
  flex: 1;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

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

.btn-add-cart svg,
.btn-add-cart img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-add-cart svg {
  stroke: #fff;
}

.btn-add-cart img {
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.btn-notify {
  flex: 1;
  height: 44px;
  background: #ffc107;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.btn-notify:hover {
  background: #e6ac00;
}

.btn-notify svg,
.btn-notify img {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-notify svg {
  stroke: #fff;
}

.btn-notify img {
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.btn-wishlist {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.btn-wishlist:hover,
.btn-wishlist.active {
  border-color: var(--color-primary);
  background: #fff0f0;
}

.btn-wishlist svg,
.btn-wishlist img {
  width: 18px;
  height: 18px;
  transition: stroke var(--transition-base), fill var(--transition-base);
}

.btn-wishlist img {
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(41%) sepia(0%) saturate(6%) hue-rotate(197deg) brightness(94%) contrast(90%);
}

.btn-wishlist svg {
  stroke: var(--color-text-muted);
}

.btn-wishlist.active svg,
.btn-wishlist.active img,
.btn-wishlist:hover svg,
.btn-wishlist:hover img {
  stroke: var(--color-primary);
}

.btn-wishlist.active img,
.btn-wishlist:hover img {
  filter: brightness(0) saturate(100%) invert(20%) sepia(87%) saturate(6139%) hue-rotate(352deg) brightness(93%) contrast(90%);
}

/* =============================================
   PARTNERS CAROUSEL
   ============================================= */
.partners-section {
  background: #fff;
  padding: 64px 0 48px;
  position: relative;
}

.partners-section__heading {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.partners-section__sub {
  text-align: center;
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

/* 外层容器：为箭头提供定位上下文，同时提供左右 padding */
.partners-outer {
  position: relative;
  padding: 0 56px;
}

/* 内层裁切容器：overflow:hidden + 边缘渐隐遮罩 */
.partners-track-wrapper {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.partners-track {
  display: flex;
  gap: 24px;
  overflow: visible;
  will-change: transform;
  /* Animation injected by JS (home.js initPartnersMarquee) */
}

.partner-item {
  flex-shrink: 0;
  width: 200px;
  height: 100px;
  background: #f5f5f5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  user-select: none;
  cursor: default;
}

.partner-item:hover {
  box-shadow: var(--shadow-card);
  border-color: #bbb;
}

/* 左右手动箭头（加速/减速触发） */
.partners-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1), 0 10px 15px rgba(0,0,0,0.1);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
  z-index: 3;
}

.partners-arrow:hover {
  background: #fff;
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.partners-arrow svg,
.partners-arrow img {
  width: 20px;
  height: 20px;
}.partners-arrow svg, .partners-arrow img{
  stroke: var(--color-text-dark);
}

.partners-arrow img {
  object-fit: contain;
}

/* 箭头相对 .partners-outer 定位，居于左右 padding 区域内 */
.partners-arrow--prev { left: 4px; }
.partners-arrow--next { right: 4px; }

/* 指示点区域（自动滚动时保留，用于速度指示） */
.partners-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  min-height: 16px;
}

.partners-dot {
  width: 8px;
  height: 8px;
  border-radius: 50px;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--transition-base), width var(--transition-base);
}

.partners-dot.active {
  background: var(--color-primary);
  width: 28px;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-text-dark);
  color: #ddd;
  padding: 64px 60px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-col__title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* 反馈表单 */
.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feedback-form input,
.feedback-form textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-size: 14px;
  color: var(--color-text-body);
  font-family: var(--font-family);
  transition: border-color var(--transition-base);
}

.feedback-form input {
  height: 40px;
}

.feedback-form textarea {
  height: 88px;
  padding: 8px 12px;
  resize: vertical;
  line-height: 1.5;
}

.feedback-form input::placeholder,
.feedback-form textarea::placeholder {
  color: var(--color-text-placeholder);
}

.feedback-form input:focus,
.feedback-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-submit-feedback {
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

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

/* 联系信息 */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.contact-item svg,
.contact-item img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item svg {
  stroke: var(--color-primary);
}

.contact-item img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 2px;
  filter: brightness(0) saturate(100%) invert(20%) sepia(87%) saturate(6139%) hue-rotate(352deg) brightness(93%) contrast(90%);
}

.contact-item__text {
  font-size: 14px;
  line-height: 1.6;
  color: #ddd;
}

.contact-item__text a {
  color: #ddd;
  text-decoration: none;
  transition: color var(--transition-base);
}

.contact-item__text a:hover {
  color: #fff;
}

/* 帮助中心链接 */
.help-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.help-link {
  font-size: 14px;
  color: #ddd;
  text-decoration: none;
  transition: color var(--transition-base);
  line-height: 1.5;
}

.help-link:hover {
  color: #fff;
}

/* Footer 底部版权 */
.footer-bottom {
  border-top: 1px solid #333;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom__copy {
  font-size: 14px;
  color: #ddd;
  line-height: 1.5;
}

.footer-bottom__links {
  display: flex;
  gap: 24px;
}

.footer-bottom__links a {
  font-size: 14px;
  color: #ddd;
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-bottom__links a:hover {
  color: #fff;
}

/* =============================================
   TOAST 提示 (加购反馈)
   ============================================= */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: #1a1a1a;
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast svg,
.toast img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.toast svg {
  stroke: #28a745;
}

.toast img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  filter: brightness(0) saturate(100%) invert(44%) sepia(68%) saturate(535%) hue-rotate(91deg) brightness(94%) contrast(90%);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1280px) {
  .header-top,
  .header-nav,
  .site-footer {
    padding-left: 40px;
    padding-right: 40px;
  }

  .home-main {
    padding-left: 40px;
    padding-right: 40px;
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .banner-slide__title { font-size: 36px; }
  .banner-slide__desc  { font-size: 16px; }

  .welcome-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .header-top {
    padding: 12px 20px;
    flex-wrap: wrap;
  }

  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

  .header-nav {
    padding: 0 20px;
    flex-wrap: wrap;
    height: auto;
    gap: 8px;
    padding-bottom: 8px;
    padding-top: 8px;
  }

  .home-main {
    padding: 16px 20px;
  }

  .banner-slide__content {
    padding: 0 20px;
  }

  .banner-slide__title { font-size: 28px; }
  .banner-slide__desc  { font-size: 14px; margin-bottom: 20px; }
  .banner-slide__cta   { height: 40px; font-size: 14px; }

  .banner-arrow--prev { left: 8px; }
  .banner-arrow--next { right: 8px; }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .welcome-stats {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .partners-outer { padding: 0 40px; }

  .site-footer { padding: 40px 20px 0; }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .banner-slide__title { font-size: 22px; }

  .header-logo img { height: 48px; }
}