/* ============================================
   鸣谷科技 · migubear.com 企业官网
   风格：粉绿浅蓝 · 绒毛暗纹 · 可爱活力
   ============================================ */

/* === Variables === */
:root {
  --pink: #F0B5C8;
  --pink-dark: #E898B0;
  --green: #20a4aa;
  --green-dark: #20a4aa;
  --blue: #B5D8E8;
  --blue-dark: #95C8D8;
  --teal: #20a4aa;
  --gray-light: #F5F5F0;
  --gray-mid: #E8E8E0;
  --white: #FFFFFF;
  --text-dark: #3A3A3A;
  --text-mid: #6B6B6B;
  --text-light: #999;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text-dark);
  background: var(--gray-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img {
  max-width: 100%; display: block;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  -moz-user-select: none;
  -ms-user-select: none;
}
ul { list-style: none; }

/* === Furry Texture (绒毛暗纹) — SVG noise overlay === */
.furry-bg {
  position: relative;
}
.furry-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.07'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23f)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
  z-index: 0;
}

/* Color block backgrounds */
.bg-pink { background: var(--pink); }
.bg-green { background: var(--green); }
.bg-blue { background: var(--blue); }
.bg-white { background: var(--white); }
.bg-gray { background: var(--gray-light); }

/* === Header / Nav === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
}
.logo .bear { font-size: 1.6rem; }
.logo .brand-text {
  background: linear-gradient(135deg, var(--pink-dark), var(--green-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--transition);
  cursor: pointer;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-dark);
  background: rgba(168,213,186,0.15);
}
.nav-links a.active {
  color: var(--green-dark);
  font-weight: 600;
}

/* Lang Switch */
.lang-switch {
  display: flex;
  gap: 2px;
  background: var(--gray-light);
  border-radius: 8px;
  padding: 3px;
  margin-left: 12px;
}
.lang-btn {
  padding: 5px 12px;
  border: none;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--text-light);
}
.lang-btn.active {
  background: var(--white);
  color: var(--text-dark);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.lang-btn:hover:not(.active) { color: var(--text-mid); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Main Content === */
.main-content {
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
}

/* === Hero Section === */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #F5F5F0 0%, #FFFFFF 40%, #F0F5F3 70%, #F8F0F3 100%);
}
.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 10px;
}
.hero-text h1 .highlight-pink { color: var(--pink-dark); }
.hero-text h1 .highlight-green { color: var(--green-dark); }
.hero-text h1 .highlight-blue { color: var(--blue-dark); }
.hero-text h1 .highlight-teal { color: var(--teal); }
.hero-text .subtitle {
  font-size: 1.15rem;
  color: var(--text-mid);
  margin-bottom: 12px;
  font-weight: 500;
}
.hero-text .desc {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(240,181,200,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(240,181,200,0.5);
}
.btn-secondary {
  background: white;
  color: var(--text-dark);
  border: 1.5px solid var(--gray-mid);
}
.btn-secondary:hover {
  border-color: var(--green);
  background: rgba(168,213,186,0.08);
  transform: translateY(-2px);
}
.btn-green {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(168,213,186,0.4);
}
.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168,213,186,0.5);
}

/* Hero visual — floating brand circles */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-brand-display {
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero-brand-display .big-bear {
  font-size: 5rem;
  display: block;
  margin-bottom: 8px;
  animation: bounce 3s ease-in-out infinite;
}
.hero-brand-display .brand-tag {
  font-size: 0.9rem;
  color: var(--text-light);
  letter-spacing: 4px;
  text-transform: uppercase;
}


/* ---- Hero Combo Image ---- */
.hero-combo-image {
  width: 100%;
  height: 100%;
}
.hero-combo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- Logo Icon Images ---- */
.adv-icon img, .step-icon img, .opt-icon img, .emoji-icon img, .brand-emoji img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}
.acc-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/* ---- Category Tab Icons ---- */
.category-tab .tab-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  margin-right: 6px;
  display: inline-block;
}

.cat-header-icon {
  width: 32px;
  height: 32px;
  vertical-align: middle;
  margin-right: 10px;
}

.footer-icon {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin-right: 6px;
  display: inline-block;
}
.footer-icon-big {
  width: 28px;
  height: 28px;
  vertical-align: middle;
  margin-right: 4px;
}

@media (max-width: 768px) {
  .brand-grid { flex-direction: column; align-items: center; }
}

.brand-card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 120px;
}
.brand-logo-img {
  display: block;
  margin: 0 auto;
  max-width: 80px;
  height: auto;
}

.header-logo-img {
  height: 36px;
  width: auto;
  display: block;
  cursor: pointer;
}
.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
}
@keyframes float {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -18px; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* === Section Common === */
.section {
  padding: 80px 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.section-header p {
  color: var(--text-mid);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}
.section-header .emoji-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
  text-align: center;
}

/* === Featured Products === */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.product-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 20px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}
.product-card:active {
  transform: scale(0.97);
}
.product-card .card-emoji {
  font-size: 3.2rem;
  display: block;
  margin-bottom: 12px;
}
.product-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.product-card p {
  font-size: 0.85rem;
  color: var(--text-mid);
  margin-bottom: 10px;
}
.product-card .color-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.product-card .color-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* === Advantages === */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}
.advantage-item {
  background: white;
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.advantage-item .adv-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 16px;
  text-align: center;
}
.advantage-item .adv-icon img {
  width: 56px;
  height: 56px;
  display: inline-block;
}
.advantage-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.advantage-item p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* === OEM Teaser === */
.oem-teaser {
  background: linear-gradient(135deg, var(--pink), var(--blue), var(--green));
  padding: 60px 24px;
  text-align: center;
  position: relative;
}
.oem-teaser::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.5' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23f)'/%3E%3C/svg%3E");
  pointer-events: none;
}
.oem-teaser .container {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.oem-teaser h2 {
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.oem-teaser p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  margin-bottom: 28px;
  line-height: 1.7;
}
.oem-teaser .btn {
  background: white;
  color: var(--text-dark);
}
.oem-teaser .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* === Footer === */
.footer {
  background: #2D2D2D;
  color: rgba(255,255,255,0.7);
  padding: 50px 24px 30px;
}
.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-col h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col p, .footer-col a {
  font-size: 0.88rem;
  line-height: 2;
  display: block;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--pink); }
.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}
.footer-brand .bear { font-size: 1.4rem; }
.footer .copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  grid-column: 1 / -1;
}

/* ============================================
   PRODUCTS PAGE
   ============================================ */
.page-products {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 40px;
  justify-content: flex-start;
  padding-bottom: 8px;
  scrollbar-width: none;
  max-width: 100%;
}
.category-tabs::-webkit-scrollbar { display: none; }
.category-tab { white-space: nowrap; flex-shrink: 0; }
.category-tab {
  padding: 10px 16px;
  border-radius: 50px;
  border: 1.5px solid var(--gray-mid);
  background: white;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-mid);
}
.category-tab:hover {
  border-color: var(--green);
  color: var(--text-dark);
}
.category-tab.active {
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(240,181,200,0.3);
}

/* Product Grid */
.product-category {
  margin-bottom: 50px;
}
.product-category h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-item {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.product-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}
.product-item:active {
  transform: scale(0.97);
}
.product-item .prod-img {
  height: 140px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.6rem;
  position: relative;
}
.product-item .prod-img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.product-item .prod-info {
  padding: 18px 20px 20px;
}
.product-item .prod-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.product-item .prod-info .prod-desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  margin-bottom: 10px;
  line-height: 1.5;
}
.product-item .prod-colors {
  display: flex;
  gap: 8px;
  align-items: center;
}
.product-item .prod-colors span {
  font-size: 0.78rem;
  color: var(--text-light);
}
.prod-color-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.pkg-value {
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.3px;
}

/* Accessories Table */
.accessories-table-wrap {
  overflow-x: auto;
}
.accessories-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.accessories-table th {
  background: var(--gray-light);
  padding: 14px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  color: var(--text-mid);
}
.accessories-table td {
  padding: 12px 18px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--gray-light);
}
.accessories-table tr:last-child td { border-bottom: none; }
.accessories-table tr:hover td { background: rgba(168,213,186,0.06); }

/* Accessories Thumbnail Grid */
.accessories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.accessory-card {
  background: white;
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: center;
}
.accessory-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}
.accessory-card:active {
  transform: scale(0.97);
}
.accessory-card .acc-thumb {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  overflow: hidden;
}
.accessory-card .acc-info {
  flex: 1;
  min-width: 0;
}
.accessory-card .acc-info .acc-sku {
  font-size: 0.72rem;
  color: var(--green-dark);
  font-weight: 500;
}
.accessory-card .acc-info .acc-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
  margin-top: 1px;
}
.accessory-card .acc-info .acc-spec {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.3;
  margin-top: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */
.page-detail {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: flex;
  flex-direction: column;
}
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text-mid);
  cursor: pointer;
  margin-left: auto;
  margin-bottom: 30px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: transform 0.15s ease, border-color 0.2s ease, color 0.2s ease;
  background: none;
  border: 1px solid var(--gray-mid);
}
.detail-back:hover {
  transform: scale(1.08);
  border-color: var(--green);
  color: var(--text-dark);
}
.detail-back:active {
  transform: scale(0.92);
}
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.detail-image {
  background: var(--gray-light);
  border-radius: var(--radius);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}
.detail-image .placeholder-img {
  font-size: 6rem;
}
.detail-info h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.detail-info .detail-sku {
  font-size: 0.85rem;
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 16px;
}
.detail-info .detail-desc {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}
.detail-colors {
  margin-bottom: 20px;
}
.detail-colors h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.detail-color-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.detail-color-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.detail-color-item .dc-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.detail-color-item .dc-label {
  font-size: 0.75rem;
  color: var(--text-light);
}
.detail-specs {
  border-top: 1px solid var(--gray-mid);
  padding-top: 20px;
  margin-top: 20px;
}
.detail-specs h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.detail-specs table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
}
.detail-specs td {
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
}
.detail-specs td:first-child {
  color: #fff;
  background: #e8857a;
  width: 100px;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}
.detail-specs td:last-child {
  color: var(--text-dark);
  font-weight: 500;
  padding-left: 16px;
}
.detail-badge {
  display: inline-block;
  font-size: 0.78rem;
  background: var(--pink);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 16px;
}

/* Packaging Icons in Detail Page */
.packaging-icon-list {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.packaging-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--gray-light);
  border-radius: 12px;
  padding: 18px 24px;
  min-width: 100px;
  transition: var(--transition);
}
.packaging-icon-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow);
}
.packaging-icon-item:active {
  transform: scale(0.97);
}
.packaging-icon-item .pi-icon {
  font-size: 2.2rem;
  display: block;
}
.packaging-icon-item .pi-label {
  font-size: 0.82rem;
  color: var(--text-mid);
  font-weight: 500;
}
.packaging-icon-item .pi-thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  border-radius: 6px;
  transition: transform 0.25s ease;
  position: relative;
  z-index: 1;
}
.packaging-icon-item:hover .pi-thumb {
  transform: scale(2);
  z-index: 10;
}
.packaging-icon-item.has-preview {
  cursor: pointer;
  position: relative;
}
.pkg-preview {
  display: none;
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  padding: 8px;
}
.packaging-icon-item.has-preview:hover .pkg-preview {
  display: block;
}
.pkg-preview img {
  width: 280px;
  height: auto;
  display: block;
  border-radius: 8px;
}
/* 包装图片 Lightbox */
.pkg-lightbox {
  display: flex;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, background 0.25s ease;
}
.pkg-lightbox.active {
  opacity: 1;
  pointer-events: auto;
  background: rgba(0,0,0,0.7);
}
.pkg-lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 12px 50px rgba(0,0,0,0.3);
  background: #fff;
  padding: 12px;
  transform: scale(0.4);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.25s ease;
}
.pkg-lightbox.active img {
  transform: scale(1);
  opacity: 1;
}
.pkg-lightbox .lb-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  border-radius: 50%;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.page-about { padding: 40px 24px 80px; }

.about-hero {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
}
.about-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.about-hero p {
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto 60px;
}
.stat-item {
  background: white;
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-item .stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--pink-dark), var(--green-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-mid);
  margin-top: 6px;
}

.about-brands {
  max-width: 900px;
  margin: 0 auto 50px;
}
.about-brands h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 30px;
}
.brand-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.brand-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.brand-card:hover { transform: translateY(-4px); }
.brand-card .brand-emoji { font-size: 2rem; display: block; margin-bottom: 8px; }
.brand-card h3 { font-size: 1rem; font-weight: 600; }
.brand-card p { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

.about-detail {
  max-width: 800px;
  margin: 0 auto;
}
.about-detail h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 40px;
}
.about-detail p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

/* ============================================
   OEM PAGE
   ============================================ */
.page-oem { padding: 40px 24px 80px; }

.oem-hero {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
}
.oem-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.oem-hero p {
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.8;
}

.oem-flow {
  max-width: 900px;
  margin: 0 auto 60px;
}
.oem-flow h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 36px;
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}
.flow-step {
  background: white;
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
}
.flow-step .step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 auto 14px;
}
.flow-step .step-icon { font-size: 2rem; display: block; margin-bottom: 10px; text-align: center; }
.flow-step .step-icon img { width: 48px; height: 48px; display: inline-block; }
.flow-step h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.flow-step p { font-size: 0.84rem; color: var(--text-mid); line-height: 1.6; }

.oem-options {
  max-width: 900px;
  margin: 0 auto;
}
.oem-options h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 30px;
}
.oem-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.oem-option {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
}
.oem-option .opt-icon { font-size: 2rem; display: block; margin-bottom: 12px; text-align: center; }
.oem-option .opt-icon img { width: 48px; height: 48px; display: inline-block; }
.oem-option h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.oem-option p { font-size: 0.86rem; color: var(--text-mid); line-height: 1.7; }

/* ============================================
   CONTACT PAGE
   ============================================ */
.page-contact { padding: 40px 24px 80px; }

.contact-hero {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}
.contact-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-hero p {
  color: var(--text-mid);
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 680px;
  margin: 0 auto;
}
.contact-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px 24px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 230px;
}
.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.contact-card .cc-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 12px;
}
.cc-icon-img {
  display: block;
  margin-bottom: 12px;
}
.contact-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-dark);
}
.contact-card .cc-content {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.6;
}
.contact-card .cc-content a {
  color: var(--green-dark);
  font-weight: 600;
  transition: var(--transition);
}
.contact-card .cc-content a:hover {
  color: var(--pink-dark);
}
.qr-container {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 14px;
  background: #FAFAFA;
  border-radius: 12px;
  border: 1px solid #eee;
  margin-top: 4px;
}
.qr-container canvas, .qr-container img { display: block; margin: 0 auto; }
.qr-label {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 8px;
}

/* Responsive contact */
@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }
}

/* Contact info bar — full-width info list */
.contact-info-bar {
  background: white;
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  max-width: 680px;
  margin: 24px auto 0;
}
.contact-info-bar:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--gray-light);
  transition: var(--transition);
}
.info-item:hover {
  background: #EBEBE5;
}
.info-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
}
.info-icon img {
  width: 28px;
  height: 28px;
  display: block;
  object-fit: contain;
}
.info-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 70px;
}
.info-value {
  font-size: 0.88rem;
  color: var(--text-mid);
  word-break: break-all;
  flex: 1;
}
.info-value a,
a.info-value {
  color: var(--teal);
  font-weight: 500;
  text-decoration: none;
}
.info-value a:hover,
a.info-value:hover {
  text-decoration: underline;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-text .desc { margin: 0 auto 32px; }
  .hero-btns { justify-content: center; }
  .hero-visual { min-height: 280px; }
  
  
  
  .hero-text h1 { font-size: 2.2rem; }
  .advantages-grid { grid-template-columns: 1fr; max-width: 500px; }
  .about-stats, 
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; }
  .footer .container { grid-template-columns: 1fr 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--gray-mid);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 16px;
    width: 100%;
    border-radius: 8px;
  }
  .hamburger { display: flex; }
  .lang-switch { margin-left: auto; }

  .hero-text h1 { font-size: 1.8rem; }
  .section { padding: 50px 18px; }
  .section-header h2 { font-size: 1.6rem; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer .container { grid-template-columns: 1fr; gap: 30px; }
  .oem-flow .flow-steps { grid-template-columns: repeat(2, 1fr); }
  
  /* Product Detail - Mobile */
  .page-detail { padding: 24px 16px 60px; }
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }
  .detail-image { min-height: 260px; }
  .detail-info h1 { font-size: 1.3rem; }
  .packaging-icon-list { gap: 10px; }
  .packaging-icon-item { padding: 14px 18px; min-width: 80px; }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.5rem; }
  .featured-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .about-stats, 

  .hero-visual { min-height: 200px; }
  
  
  
  .flow-steps { grid-template-columns: 1fr; }
  .oem-options-grid { grid-template-columns: 1fr; }
  
  /* Product Detail - Small Mobile */
  .page-detail { padding: 16px 12px 50px; }
  .detail-layout { gap: 16px; }
  .detail-image { min-height: 200px; }
  .detail-info h1 { font-size: 1.1rem; }
  .detail-sku { font-size: 0.78rem; }
  .detail-desc { font-size: 0.88rem; }
  .packaging-icon-item { padding: 12px 14px; min-width: 70px; }
  .packaging-icon-item .pi-icon { font-size: 1.8rem; }
}

/* ============================================
   Utility
   ============================================ */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }

/* ============================================
   CERTIFICATE / PATENT PAGE — Formal Corporate
   ============================================ */
.page-cert {
  padding: 40px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.page-cert h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
  letter-spacing: 3px;
}
.cert-desc {
  color: var(--text-mid);
  font-size: 0.9rem;
  margin: 0 auto 32px;
  line-height: 1.6;
  max-width: 600px;
}

/* ---- Carousel (Inertial) ---- */
.cert-carousel-wrapper {
  width: 100%;
  overflow: hidden;
  cursor: grab;
  padding: 20px 0 40px;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}
.cert-carousel-wrapper.cert-overflow-visible {
  overflow: visible;
}
.cert-carousel-wrapper:active {
  cursor: grabbing;
}
.cert-track {
  display: flex;
  gap: 20px;
  will-change: transform;
  transform: translateX(0);
}
.cert-track .cert-card {
  flex: 0 0 auto;
  width: 220px;
  background: #fff;
  border: 1px solid #e8e0d8;
  border-radius: 8px;
  padding: 28px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  cursor: pointer;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  z-index: 1;
}
.cert-track .cert-card.cert-card-img {
  width: 300px;
  padding: 10px 10px 16px;
  gap: 6px;
}
.cert-track .cert-card.cert-card-img .cert-name {
  font-size: 0.72rem;
}
.cert-track .cert-card.cert-card-img .cert-num {
  font-size: 0.6rem;
  padding: 2px 6px;
}
.cert-track .cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c, #20a4aa);
  border-radius: 8px 8px 0 0;
}
.cert-track .cert-card.cert-hovered {
  transform: scale(1.25);
  z-index: 100;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  border-color: var(--c, #20a4aa);
  cursor: pointer;
}
.cert-img-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  background: #f8f6f4;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-cert-img {
  width: 100%;
  display: block;
}
.cert-track .cert-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c, #20a4aa);
  opacity: 0.75;
}
.cert-track .cert-icon svg {
  width: 30px;
  height: 30px;
}
.cert-track .cert-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: #2d2d2d;
  line-height: 1.5;
}
.cert-track .cert-num {
  font-size: 0.65rem;
  color: #888;
  font-family: 'SF Mono','Consolas',monospace;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  background: #f6f4f2;
  border-radius: 4px;
}
.cert-track .cert-desc-text {
  font-size: 0.72rem;
  color: #666;
  line-height: 1.4;
}
.cert-track .cert-badge {
  font-size: 0.6rem;
  font-weight: 600;
  padding: 2px 14px;
  border-radius: 3px;
  letter-spacing: 2px;
  color: var(--c, #20a4aa);
  background: color-mix(in srgb, var(--c, #20a4aa) 10%, transparent);
  margin-top: 2px;
}

@media (max-width: 600px) {
  .cert-track .cert-card {
    width: 160px;
    padding: 20px 10px 16px;
  }
  .cert-track .cert-card.cert-card-img {
    width: 200px;
    padding: 8px 8px 14px;
  }
  .cert-track .cert-icon { width: 32px; height: 32px; }
  .cert-track .cert-icon svg { width: 24px; height: 24px; }
  .cert-track .cert-name { font-size: 0.7rem; }
  .cert-track .cert-card.cert-hovered { transform: scale(1.15); }
}

/* ---- Contact Page (babycare style) ---- */
.contact-info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 50px; }
.contact-info-card { background: #fff; border-radius: 16px; padding: 32px 20px 28px; text-align: center; box-shadow: 0 2px 16px rgba(180,140,120,0.08); border: 1px solid rgba(200,170,150,0.1); }
.cic-icon { width: 48px; height: 48px; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; }
.cic-icon img { width: 32px; height: 32px; object-fit: contain; }
.contact-info-card h3 { font-size: 0.85rem; color: rgba(0,0,0,0.3); font-weight: 500; margin-bottom: 8px; }
.contact-info-card p { font-size: 0.85rem; color: #3d3d3d; line-height: 1.5; }
.contact-info-card a { color: var(--green-dark); text-decoration: none; }
.contact-qr-row { display: flex; justify-content: center; gap: 40px; }
.contact-qr-item { display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 0.8rem; color: rgba(0,0,0,0.35); }
.qr-img { width: 120px; height: 120px; border-radius: 12px; padding: 8px; background: #fff; box-shadow: 0 2px 12px rgba(180,140,120,0.1); }
@media (max-width: 600px) {
  .contact-info-cards { grid-template-columns: 1fr; gap: 14px; }
  .contact-qr-row { gap: 24px; }
}
/* Dropdown menu */
.nav-dropdown {
  position: relative;
  display: inline-block;
}
.nav-dropdown .dropdown-trigger {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--transition);
  cursor: pointer;
}
.nav-dropdown:hover .dropdown-trigger {
  color: var(--text-dark);
  background: rgba(168,213,186,0.15);
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  min-width: 160px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: 6px;
  z-index: 100;
  margin-top: 4px;
}
.nav-dropdown:hover .dropdown-menu {
  display: block;
}
.dropdown-menu a {
  display: block;
  padding: 10px 16px !important;
  border-radius: 6px !important;
  font-size: 0.88rem !important;
  white-space: nowrap;
  text-align: center;
  color: var(--text-mid);
  transition: var(--transition);
}
.dropdown-menu a:hover {
  background: rgba(168,213,186,0.15) !important;
  color: var(--green-dark) !important;
}
@media (max-width: 768px) {
  .cert-carousel-wrapper {
    padding: 10px 0 30px;
  }
  .nav-dropdown {
    display: block;
    width: 100%;
  }
  .nav-dropdown .dropdown-trigger {
    display: block;
    width: 100%;
  }
  .dropdown-menu {
    display: none;
    position: static;
    transform: none;
    box-shadow: none;
    background: transparent;
    padding-left: 16px;
    margin-top: 0;
  }
  .nav-dropdown.open .dropdown-menu {
    display: block;
  }
  .dropdown-menu a {
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
  }
}