/* shopping-cart — nqshop 风格购物车布局 */

:root {
  --nq-primary: #3860f4;
  --primary-rgb: 56, 96, 244;
  --arcoblue-6: 56, 96, 244;
  --nq-primary-light: rgba(56, 96, 244, 0.08);
  --nq-bg-1: #fff;
  --nq-bg-2: #f5f7fa;
  --nq-border-1: #e5e6eb;
  --nq-fill-1: #f2f3f5;
  --nq-fill-2: #f7f8fa;
  --nq-fill-3: #e5e6eb;
  --nq-fill-4: #c9cdd4;
  --nq-text-1: #1d2129;
  --nq-text-2: #4e5969;
  --nq-text-3: #86909c;
  --nq-text-4: #c9cdd4;
  --nq-success: #00b42a;
  --nq-warning: #ff7d00;
  --nq-warning-light: rgba(255, 125, 0, 0.1);
  --nq-danger: #f53f3f;
  --nq-danger-light: rgba(245, 63, 63, 0.08);
  --nq-radius: 4px;
  --nq-shadow-2: 0 4px 10px rgba(0, 0, 0, 0.1);
  --nq-transition: 0.2s ease;
  --nq-font-xs: 12px;
  --nq-font-sm: 13px;
  --nq-font-md: 14px;
  --nq-font-lg: 16px;
}

/* 购物车页布局 */
body.page-cart {
  background: var(--nq-bg-2) !important;
  overflow-x: hidden;
}
.nq-cart-wrap {
  width: 100%;
  background: var(--nq-bg-2);
  padding: 0 0 40px;
  clear: both;
  position: relative;
  z-index: 1;
}
.nq-cart-wrap *,
.nq-cart-wrap *::before,
.nq-cart-wrap *::after {
  box-sizing: border-box;
}

/* ---- 购物车布局 ---- */
.nq-cart {
  display: flex;
  align-items: flex-start;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  min-height: 560px;
}

/* ---- 左侧菜单（简约大气） ---- */
.nq-cart-side {
  width: 268px;
  min-width: 268px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--nq-bg-1);
  border: none;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 70px;
  align-self: flex-start;
  max-height: calc(100vh - 80px);
  overflow: hidden;
}

.nq-cart-side-top {
  flex-shrink: 0;
  padding: 22px 20px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  background: var(--nq-bg-1);
}
.nq-cart-side-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--nq-text-1);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.nq-cart-side-head i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 15px;
  color: var(--nq-primary);
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 8px;
  line-height: 1;
}
.nq-cart-side .nq-cart-menu,
.nq-cart-side .nq-cart-nav-item {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---- 搜索框 ---- */
.nq-cart-side .nq-cart-search {
  position: relative;
  padding: 0;
  flex-shrink: 0;
}
.nq-cart-side .nq-cart-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  color: var(--nq-text-4);
  pointer-events: none;
  z-index: 1;
  line-height: 1;
}
.nq-cart-side .nq-cart-search .form-control {
  border-radius: 8px;
  font-size: 13px;
  height: 38px;
  padding: 0 12px 0 36px;
  background: #f5f6f8;
  border: 1px solid transparent;
  line-height: 38px;
  color: var(--nq-text-1);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.nq-cart-side .nq-cart-search .form-control::placeholder {
  color: var(--nq-text-4);
}
.nq-cart-side .nq-cart-search .form-control:focus {
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.08);
  border-color: rgba(var(--primary-rgb), 0.25);
  background: var(--nq-bg-1);
}

/* ---- 菜单分组 ---- */
.nq-cart-side .nq-cart-menu {
  padding: 10px 12px 20px;
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1;
}
.nq-cart-side .nq-cart-menu::-webkit-scrollbar { width: 3px; }
.nq-cart-side .nq-cart-menu::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 3px;
}
.nq-cart-side .nq-cart-menu:hover::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
}

.nq-cart-side .nq-cart-nav-item { display: block; }
.nq-cart-side .nq-cart-nav-group {
  margin: 0 0 2px;
  padding: 0;
}
.nq-cart-side .nq-cart-nav-group + .nq-cart-nav-group {
  border-top: none;
}

.nq-cart-side .nq-cart-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  min-height: 44px;
  font-size: 13px;
  color: var(--nq-text-2);
  text-decoration: none !important;
  cursor: pointer;
  border-radius: 8px;
  margin: 0;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
}
.nq-cart-side .nq-cart-nav-group-name,
.nq-cart-side .nq-cart-nav-sub-link > span:first-child {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nq-cart-side .nq-cart-nav-link:hover {
  background: rgba(0, 0, 0, 0.03);
  color: var(--nq-text-1);
  text-decoration: none !important;
}

.nq-cart-side .nq-cart-nav-group-toggle {
  min-height: 44px;
  font-size: 14px;
  font-weight: 500;
  color: var(--nq-text-1);
}
.nq-cart-side .nq-cart-nav-group-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: transparent;
  color: var(--nq-text-4);
  font-size: 11px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.nq-cart-side .nq-cart-nav-group.open > .nq-cart-nav-group-toggle {
  color: var(--nq-primary);
  background: rgba(var(--primary-rgb), 0.05);
}
.nq-cart-side .nq-cart-nav-group.active > .nq-cart-nav-group-toggle {
  color: var(--nq-primary);
}
.nq-cart-side .nq-cart-nav-group.open > .nq-cart-nav-group-toggle .nq-cart-nav-group-count,
.nq-cart-side .nq-cart-nav-group.active > .nq-cart-nav-group-toggle .nq-cart-nav-group-count {
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--nq-primary);
  font-weight: 500;
}

.nq-cart-side .nq-cart-nav-arrow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 14px;
  color: var(--nq-text-4);
  opacity: 0.55;
  transition: transform 0.22s ease, color 0.2s ease, opacity 0.2s ease;
  line-height: 1;
}
.nq-cart-side .nq-cart-nav-group.open > .nq-cart-nav-group-toggle .nq-cart-nav-arrow {
  transform: rotate(90deg);
  color: var(--nq-primary);
  opacity: 1;
}

.nq-cart-side .nq-cart-nav-sub {
  display: none;
  padding: 4px 0 6px 11px;
  margin: 2px 0 4px 20px;
  border-left: 1px solid rgba(0, 0, 0, 0.06);
}
.nq-cart-side .nq-cart-nav-group.open > .nq-cart-nav-sub {
  display: block;
}
.nq-cart-side .nq-cart-nav-sub-link {
  position: relative;
  padding: 0 10px 0 14px;
  min-height: 38px;
  font-size: 13px;
  margin: 1px 0;
  border-radius: 6px;
  color: var(--nq-text-2);
}
.nq-cart-side .nq-cart-nav-sub-link.active {
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--nq-primary);
  font-weight: 500;
}
.nq-cart-side .nq-cart-nav-sub-link.active::before {
  display: block !important;
  content: '' !important;
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 14px;
  border-radius: 1px;
  background: var(--nq-primary);
}
.nq-cart-side .nq-cart-nav-sub-link:hover {
  color: var(--nq-primary);
  background: rgba(0, 0, 0, 0.03);
}
.nq-cart-side .nq-cart-nav-sub-link.active:hover {
  background: rgba(var(--primary-rgb), 0.08);
}

.nq-cart-side .nq-cart-nav-link .nq-cart-nav-tag {
  flex: 0 0 auto;
  overflow: visible;
  padding: 0 5px;
  height: 16px;
  line-height: 14px;
  background: transparent;
  color: var(--nq-danger);
  font-size: 10px;
  font-weight: 500;
  white-space: nowrap;
  border-radius: 3px;
  border: 1px solid rgba(245, 63, 63, 0.35);
  letter-spacing: 0.02em;
}
.nq-cart-side .nq-cart-nav-link .nq-cart-nav-tag.tag-new {
  color: var(--nq-primary);
  border-color: rgba(var(--primary-rgb), 0.35);
}

/* ---- 登录提示 ---- */
.nq-cart-login {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
  background: var(--nq-primary-light);
  border: 1px solid rgba(var(--primary-rgb), 0.15);
  border-radius: var(--nq-radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  width: 100%;
  box-sizing: border-box;
  box-shadow: none;
}
.nq-cart-login-icon {
  font-size: 40px;
  color: var(--nq-primary);
  line-height: 1;
  flex-shrink: 0;
}
.nq-cart-login-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: normal;
  word-break: normal;
  writing-mode: horizontal-tb;
}
.nq-cart-login-title {
  font-size: var(--nq-font-md);
  color: var(--nq-text-1);
  font-weight: 500;
  line-height: 1.5;
  white-space: normal;
}
.nq-cart-login-desc {
  font-size: var(--nq-font-xs);
  color: var(--nq-text-3);
  line-height: 1.5;
  white-space: normal;
}
.nq-cart-login-btn {
  white-space: nowrap;
  display: inline-flex !important;
  align-items: center;
  flex-shrink: 0;
  width: auto !important;
  min-height: 32px;
}
.nq-cart-login-arrow {
  width: 0;
  opacity: 0;
  transition: width 0.2s, opacity 0.2s;
  overflow: hidden;
  font-size: 14px;
  line-height: 1;
}
.nq-cart-login-btn:hover .nq-cart-login-arrow { width: 16px; opacity: 1; }

/* ---- 移动端产品分类导航 ---- */
.nq-cart-mobile-nav {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  background: var(--nq-bg-1);
  border: 1px solid var(--nq-border-1);
  border-radius: var(--nq-radius);
}
.nq-cart-mobile-nav-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--nq-font-sm);
  font-weight: 500;
  color: var(--nq-text-1);
  white-space: nowrap;
  flex-shrink: 0;
}
.nq-cart-mobile-nav-label i { font-size: 16px; color: var(--nq-primary); }
.nq-cart-mobile-nav-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
  padding: 4px 10px;
  border: 1px solid var(--nq-border-1);
  background: var(--nq-fill-1);
  cursor: pointer;
  color: var(--nq-text-2);
  font-size: var(--nq-font-sm);
  text-align: left;
  border-radius: 4px;
  transition: border-color .15s;
}
.nq-cart-mobile-nav-btn:active { border-color: var(--nq-primary); }
.nq-cart-mobile-nav-btn i { font-size: 14px; color: var(--nq-text-4); flex-shrink: 0; }
.nq-cart-mobile-nav-current {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- 移动端分类菜单 ---- */
.nq-cart-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1002;
  background: var(--nq-bg-1);
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
}
.nq-cart-mobile-menu.active { transform: translateX(0); }
.nq-cart-mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(0,0,0,.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.nq-cart-mobile-menu-overlay.active { opacity: 1; visibility: visible; }
.nq-cart-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 12px 0 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--nq-border-1);
}
.nq-cart-mobile-menu-title { font-size: 15px; font-weight: 600; color: var(--nq-text-1); }
.nq-cart-mobile-menu-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--nq-fill-2);
  border-radius: 50%;
  color: var(--nq-text-2);
  font-size: 16px;
  cursor: pointer;
}
.nq-cart-mobile-menu-body { display: flex; flex: 1; min-height: 0; }
.nq-cart-mobile-menu-groups {
  width: 100px;
  flex-shrink: 0;
  overflow-y: auto;
  background: var(--nq-fill-1);
  border-right: 1px solid var(--nq-border-1);
}
.nq-cart-mobile-menu-children { flex: 1; overflow-y: auto; padding: 8px; }
.nq-mobile-menu-children-panel { display: none; }
.nq-mobile-menu-children-panel.active { display: block; }
.nq-mobile-menu-group-item {
  position: relative;
  padding: 14px 8px;
  font-size: 13px;
  color: var(--nq-text-3);
  cursor: pointer;
  text-align: center;
  line-height: 1.4;
}
.nq-mobile-menu-group-item.active {
  background: var(--nq-bg-1);
  color: var(--nq-primary);
  font-weight: 600;
}
.nq-mobile-menu-group-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  border-radius: 0 3px 3px 0;
  background: var(--nq-primary);
}
.nq-mobile-menu-child-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--nq-text-1);
  text-decoration: none;
  border-bottom: 1px solid var(--nq-border-1);
}
.nq-mobile-menu-child-item:last-child { border-bottom: none; }
.nq-mobile-menu-child-item:hover { color: var(--nq-primary); text-decoration: none; }
.nq-mobile-menu-child-item.active { color: var(--nq-primary); font-weight: 500; }
.nq-mobile-menu-child-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.nq-mobile-menu-child-tag {
  flex-shrink: 0;
  padding: 1px 5px;
  line-height: 14px;
  background: var(--nq-danger);
  color: #fff;
  font-size: 9px;
  white-space: nowrap;
  border-radius: 2px;
}
.nq-mobile-menu-child-tag.tag-new {
  background: var(--nq-primary);
}

/* ---- 分类提示条 ---- */
.nq-cart-notice-bar {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--nq-radius);
  margin-bottom: 16px;
  font-size: var(--nq-font-md);
  line-height: 22px;
}
.nq-cart-notice-bar--info {
  background: rgba(var(--arcoblue-6), 0.06);
  border: 1px solid rgba(var(--arcoblue-6), 0.2);
  color: rgb(var(--arcoblue-6));
}

/* ---- 服务须知 ---- */
.nq-cart-notice {
  margin-top: 20px;
  background: var(--nq-bg-1);
  border: 1px solid var(--nq-warning);
  border-radius: var(--nq-radius);
  overflow: hidden;
  box-shadow: none;
}
.nq-cart-notice-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: var(--nq-font-md);
  font-weight: 500;
  color: var(--nq-warning);
  background: var(--nq-warning-light);
  border-bottom: none;
}
.nq-cart-notice-header i {
  font-size: 16px;
  color: var(--nq-warning);
}
.nq-cart-notice-body {
  padding: 12px 20px;
  font-size: 14px;
  color: var(--nq-text-1);
  line-height: 1.8;
}

/* ---- 右侧产品区 ---- */
.nq-cart-main {
  flex: 1;
  min-width: 0;
  overflow: visible;
  padding: 20px 24px 32px;
  background: var(--nq-bg-2);
}

/* ---- 商品组标题 ---- */
.nq-cart-group-heading {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--nq-primary-light);
  border: 1px solid rgba(var(--primary-rgb), 0.15);
  border-radius: var(--nq-radius);
  font-size: 14px;
}
.nq-cart-group-heading-icon {
  display: inline-block;
  color: var(--nq-primary);
  font-size: 14px;
}
.nq-cart-group-heading-label { color: var(--nq-text-1); }
.nq-cart-group-heading-name {
  color: var(--nq-text-1);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0;
}
.nq-cart-group-heading-tagline {
  color: var(--nq-text-2);
  font-weight: 400;
  margin-left: 4px;
  font-size: var(--nq-font-sm);
}

/* ---- 产品网格 ---- */
.nq-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  align-items: stretch;
}
.nq-product-grid > .nq-product-card {
  height: 100%;
}

/* ---- 产品卡片 ---- */
.nq-product-card {
  background: var(--nq-bg-1);
  border-radius: var(--nq-radius);
  border: 1px solid var(--nq-border-1);
  transition: border-color var(--nq-transition), box-shadow var(--nq-transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  height: 100%;
  box-shadow: none;
}
.nq-product-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(135deg, rgba(56, 96, 244, 0.05) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.nq-product-card > * { position: relative; z-index: 1; }
.nq-product-card:hover {
  box-shadow: var(--nq-shadow-2);
  border-color: rgba(var(--primary-rgb), 0.35);
  transform: none;
}
.nq-product-header {
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--nq-fill-1);
}
.nq-product-name {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: var(--nq-font-lg);
  font-weight: 600;
  color: var(--nq-text-1);
  line-height: 1.45;
  letter-spacing: 0;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.nq-product-stock {
  font-size: 11px;
  padding: 2px 8px;
  white-space: nowrap;
  border-radius: 2px;
  line-height: 1.6;
  flex-shrink: 0;
  font-weight: 500;
  margin-top: 2px;
}
.nq-product-stock.in-stock {
  background: rgba(0, 180, 42, 0.12);
  color: var(--nq-success);
}
.nq-product-stock.low-stock {
  background: rgba(255, 125, 0, 0.12);
  color: var(--nq-warning);
}
.nq-product-stock.out-stock {
  background: rgba(245, 63, 63, 0.12);
  color: var(--nq-danger);
}
.nq-product-soldout { opacity: 0.6; }
.nq-product-soldout:hover { transform: none; box-shadow: none; }
.nq-product-desc {
  padding: 16px 20px;
  flex: 1 1 auto;
  min-height: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--nq-text-1);
}
.nq-product-desc .nq-product-desc {
  padding: 0;
}
.nq-product-desc .nq-desc-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 13px;
  padding: 3px 0;
}
/* 参考站 config-row：图标 + 标签 + 值 横向排列 */
.nq-product-desc .config-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 0;
  min-height: 0;
}
.nq-product-desc .config-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  padding: 1px;
  flex-shrink: 0;
  overflow: hidden;
}
.nq-product-desc .config-icon i {
  display: none;
}
.nq-product-desc .config-icon svg {
  display: block;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.nq-product-desc .config-label {
  width: auto;
  min-width: 45px;
  max-width: 56px;
  color: var(--nq-text-2);
  margin-right: 2px;
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.2;
}
.nq-product-desc .config-value {
  flex: 1;
  min-width: 0;
  font-weight: 600;
  color: var(--nq-text-1);
  line-height: 1.2;
  font-size: 12px;
  word-break: break-word;
}
.nq-product-desc .config-note {
  color: var(--nq-text-3);
  font-size: 12px;
  margin-left: 2px;
  font-weight: 400;
}
.nq-product-desc ul,
.nq-product-desc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nq-product-desc p {
  margin: 0 0 6px;
}
.nq-product-desc .config-activity {
  color: #ff0000;
  font-weight: 700;
  background: #fff5f5;
  padding: 2px 6px;
  border-radius: 4px;
}
.nq-product-footer {
  padding: 0 20px 20px;
  margin-top: auto;
  flex-shrink: 0;
  border-top: none;
  background: var(--nq-bg-1);
}
.nq-product-pricing {
  margin-bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
}
.nq-price-current {
  font-size: 22px;
  font-weight: 600;
  color: var(--nq-danger);
  line-height: 1.3;
}
.nq-price-current small {
  font-size: 12px;
  font-weight: 400;
  color: var(--nq-text-3);
}
.nq-price-original {
  display: inline-block;
  font-size: var(--nq-font-xs);
  color: var(--nq-text-4);
  text-decoration: line-through;
  margin-left: 6px;
  vertical-align: middle;
}
.nq-price-trial {
  display: inline;
  font-size: 11px;
  color: var(--nq-warning);
  background: transparent;
  padding: 0;
  border-radius: 0;
  line-height: 1.4;
  margin-left: 4px;
  white-space: nowrap;
}

/* ---- 购物车内按钮（替代 Bootstrap，高优先级） ---- */
.nq-cart-wrap .form-control {
  display: block;
  width: 100%;
  height: 36px;
  padding: 0.375rem 0.75rem;
  font-size: 14px;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease-in-out;
}
.nq-cart-wrap .btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 14px;
  line-height: 1.5;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none !important;
  box-sizing: border-box;
}
.nq-cart-wrap .btn-block,
.nq-cart-wrap a.btn-block {
  display: block !important;
  width: 100% !important;
}
.nq-cart-wrap .nq-cart-login-btn.btn-block {
  display: inline-flex !important;
  width: auto !important;
}
.nq-cart-wrap .btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 13px;
}
.nq-cart-wrap .nq-product-footer .btn-primary,
.nq-cart-wrap .nq-product-footer a.btn-primary {
  position: relative;
  overflow: hidden;
  display: block !important;
  width: 100% !important;
  min-height: 36px;
  line-height: 20px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.2s, border-color 0.2s;
  background: var(--nq-primary) !important;
  border: 1px solid var(--nq-primary) !important;
  color: #fff !important;
  text-align: center;
  text-decoration: none !important;
  box-sizing: border-box;
}
.nq-cart-wrap .nq-cart-login-btn.btn-primary,
.nq-cart-wrap a.nq-cart-login-btn {
  background: var(--nq-primary) !important;
  border: 1px solid var(--nq-primary) !important;
  color: #fff !important;
  width: auto !important;
  display: inline-flex !important;
}
.nq-cart-wrap .nq-product-footer .btn-primary:hover,
.nq-cart-wrap .nq-product-footer a.btn-primary:hover {
  background: #2952d9 !important;
  border-color: #2952d9 !important;
  color: #fff !important;
  text-decoration: none !important;
}
.nq-cart-wrap .nq-product-footer .btn-primary.is-loading,
.nq-cart-wrap .nq-product-footer a.btn-primary.is-loading {
  background: var(--nq-primary) !important;
  color: #fff !important;
  pointer-events: none;
}
.nq-cart-wrap .nq-cart-login-btn.btn-primary:hover,
.nq-cart-wrap a.nq-cart-login-btn:hover {
  background: #2952d9 !important;
  border-color: #2952d9 !important;
  color: #fff !important;
}
.nq-cart-wrap .nq-cart-login-btn {
  min-height: 32px;
  line-height: 20px;
  padding: 6px 14px;
  white-space: nowrap;
}
.nq-cart-wrap .btn.disabled,
.nq-cart-wrap .btn:disabled,
.nq-cart-wrap .nq-btn-soldout {
  display: block;
  width: 100%;
  min-height: 40px;
  line-height: 26px;
  padding: 7px 16px;
  background: var(--nq-fill-2) !important;
  color: var(--nq-text-3) !important;
  border: 1px solid var(--nq-border-1) !important;
  cursor: not-allowed;
  text-align: center;
  border-radius: 4px;
  box-sizing: border-box;
}

/* ---- 按钮加载态 ---- */
.nq-cart-wrap .btn.is-loading { position: relative; pointer-events: none; }
.nq-cart-wrap .btn.is-loading .btn-text { visibility: hidden; }
.nq-cart-wrap .btn.is-loading .btn-loading { display: flex; }
.nq-cart-wrap .btn .btn-loading {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #fff;
  font-size: inherit;
}
.nq-cart-wrap .btn .btn-loading::before {
  content: '';
  width: 1em;
  height: 1em;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: nq-btn-spin .6s linear infinite;
}
@keyframes nq-btn-spin { to { transform: rotate(360deg); } }

/* ---- 空状态 ---- */
.nq-cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}
.nq-cart-empty-inner {
  background: var(--nq-bg-1);
  border-radius: var(--nq-radius);
  padding: 60px 0;
  text-align: center;
  width: 100%;
  border: 1px solid var(--nq-border-1);
}
.nq-cart-empty-inner img { width: 120px; margin-bottom: 12px; }
.nq-cart-empty-text { font-size: 13px; color: var(--nq-text-3); }

/* ---- 产品描述内配置行（旧版兼容，已在上方统一定义） ---- */

/* ---- 响应式 ---- */
@media (max-width: 992px) {
  body.page-cart .sc-cart-shell {
    width: 100%;
    left: auto;
    margin-left: 0;
    margin-right: 0;
  }
  .nq-cart-wrap {
    padding: 0 0 30px;
  }
  .headre-space.sectionpc {
    display: none !important;
  }
  .nq-cart {
    flex-direction: column;
    min-height: auto;
  }
  .nq-cart-side {
    position: static;
    max-height: none;
    display: none;
  }
  .nq-cart-main {
    padding: 12px 16px 24px;
  }
  .nq-cart-mobile-nav { display: flex !important; }
}

@media (max-width: 768px) {
  .nq-cart-login { flex-wrap: wrap; gap: 8px; }
  .nq-cart-login-icon { font-size: 28px; }
  .nq-cart-login-text { min-width: 0; }
  .nq-cart-group-heading { flex-wrap: wrap; font-size: 13px; }
  .nq-product-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 575.98px) {
  .nq-cart-mobile-nav { gap: 8px; padding: 8px 10px; margin-bottom: 10px; }
  .nq-cart-mobile-nav-label { font-size: 12px; }
  .nq-cart-mobile-nav-btn { font-size: 12px; }
  .nq-product-grid { grid-template-columns: 1fr; gap: 10px; }
  .nq-product-header { padding: 12px 14px; gap: 8px; }
  .nq-product-name { font-size: 14px; }
  .nq-product-desc { padding: 0 14px 10px; font-size: 13px; }
  .nq-product-footer { padding: 0 14px 14px; }
  .nq-price-current { font-size: 20px; }
  .nq-product-stock { font-size: 10px; padding: 1px 6px; }
  .nq-cart-login { padding: 10px 12px; gap: 8px; }
  .nq-cart-login-icon { font-size: 24px; }
  .nq-cart-login-title { font-size: 13px; }
  .nq-cart-login-desc { font-size: 11px; }
  .nq-cart-empty-inner { padding: 40px 16px; }
  .nq-cart-empty-inner img { width: 80px; }
}