/* ========================================
   雅集 · 中国传统工艺品独立站
   设计风格：简明中国风
   ======================================== */

/* ---------- CSS 变量 ---------- */
:root {
  --color-paper: #F7F3ED;       /* 宣纸底色 */
  --color-paper-dark: #EFE9DF;  /* 深宣纸 */
  --color-ink: #2C2C2C;          /* 墨色 */
  --color-ink-light: #5A5A5A;    /* 淡墨 */
  --color-red: #A52A2A;          /* 中国红 */
  --color-red-dark: #8B2222;     /* 深红 */
  --color-gold: #C5A059;         /* 金色 */
  --color-gold-light: #D4B87A;   /* 淡金 */
  --color-jade: #6B8E8A;         /* 青瓷 */
  --color-line: #E0DAD0;         /* 分隔线 */
  --color-white: #FDFCF8;        /* 暖白 */
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-brush: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
  --shadow-sm: 0 2px 8px rgba(44, 44, 44, 0.06);
  --shadow-md: 0 4px 20px rgba(44, 44, 44, 0.1);
  --shadow-lg: 0 8px 40px rgba(44, 44, 44, 0.12);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: var(--color-paper);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* ---------- 通用容器 ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 12px;
}

.section-title h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 4px;
}

.section-title .subtitle {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-gold);
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title .divider {
  width: 40px;
  height: 2px;
  background: var(--color-red);
  margin: 16px auto 0;
}

/* ---------- 顶部公告条 ---------- */
.top-bar {
  background: var(--color-ink);
  color: var(--color-paper);
  text-align: center;
  padding: 8px 0;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.top-bar span {
  color: var(--color-gold);
}

/* ---------- 导航栏 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-red);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brush);
  font-size: 1.6rem;
  color: var(--color-paper);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 2px;
}

.logo-text .en {
  font-size: 0.65rem;
  color: var(--color-gold);
  letter-spacing: 3px;
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  gap: 36px;
}

.nav-menu a {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-ink);
  position: relative;
  padding: 4px 0;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-red);
  transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-red);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-cart {
  position: relative;
  cursor: pointer;
  font-size: 1.3rem;
  color: var(--color-ink);
  transition: color 0.3s;
}

.nav-cart:hover {
  color: var(--color-red);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--color-red);
  color: white;
  font-size: 0.7rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-ink);
}

/* ---------- Hero 区域 ---------- */
.hero {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2C2C2C 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1528459801416-a9e53bbf4e17?w=1600&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(44,44,44,0.3) 0%, rgba(44,44,44,0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-paper);
  padding: 0 24px;
  animation: fadeInUp 1.2s ease;
}

.hero-content .seal {
  display: inline-block;
  width: 56px;
  height: 56px;
  line-height: 56px;
  background: var(--color-red);
  font-family: var(--font-brush);
  font-size: 1.8rem;
  color: var(--color-paper);
  margin-bottom: 24px;
  border-radius: 4px;
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 8px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-content .tagline {
  font-family: var(--font-brush);
  font-size: 1.6rem;
  color: var(--color-gold-light);
  margin-bottom: 32px;
  letter-spacing: 4px;
}

.hero-content .en-tagline {
  font-size: 0.9rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 40px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 48px;
  background: transparent;
  border: 2px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-btn:hover {
  background: var(--color-gold);
  color: var(--color-ink);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 品类导航 ---------- */
.categories {
  padding: 60px 0;
  background: var(--color-white);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.category-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.category-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.8rem;
  color: var(--color-ink-light);
  letter-spacing: 1px;
}

/* ---------- 精选商品 ---------- */
.featured {
  padding: 80px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.product-card {
  background: var(--color-white);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.product-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
  background: var(--color-paper-dark);
}

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

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-red);
  color: white;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.product-tag.new {
  background: var(--color-jade);
}

.product-info {
  padding: 20px;
}

.product-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.product-desc {
  font-size: 0.8rem;
  color: var(--color-ink-light);
  margin-bottom: 12px;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-current {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-red);
  font-weight: 600;
}

.price-original {
  font-size: 0.85rem;
  color: var(--color-ink-light);
  text-decoration: line-through;
}

/* ---------- 品牌故事 ---------- */
.brand-story {
  padding: 100px 0;
  background: var(--color-ink);
  color: var(--color-paper);
  position: relative;
  overflow: hidden;
}

.brand-story::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 100%;
  background-image: url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?w=800&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}

.brand-story-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.brand-story .subtitle {
  font-family: var(--font-serif);
  color: var(--color-gold);
  letter-spacing: 4px;
  margin-bottom: 12px;
  display: block;
}

.brand-story h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  margin-bottom: 24px;
  letter-spacing: 4px;
}

.brand-story p {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 16px;
  opacity: 0.85;
}

.brand-story .signature {
  font-family: var(--font-brush);
  font-size: 1.4rem;
  color: var(--color-gold-light);
  margin-top: 32px;
}

/* ---------- 工艺特色 ---------- */
.crafts {
  padding: 80px 0;
  background: var(--color-white);
}

.crafts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.craft-item {
  text-align: center;
}

.craft-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-line);
  font-weight: 700;
  margin-bottom: 16px;
}

.craft-item h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.craft-item p {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  line-height: 1.8;
}

/* ---------- 商品列表页 ---------- */
.page-header {
  background: var(--color-paper-dark);
  padding: 60px 0;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: 4px;
  color: var(--color-ink);
}

.page-header .breadcrumb {
  font-size: 0.85rem;
  color: var(--color-ink-light);
  margin-top: 12px;
}

.page-header .breadcrumb a:hover {
  color: var(--color-red);
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.filter-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 18px;
  border: 1px solid var(--color-line);
  background: transparent;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-ink);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

.sort-select {
  padding: 6px 16px;
  border: 1px solid var(--color-line);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-ink);
  cursor: pointer;
  border-radius: 2px;
  outline: none;
}

/* ---------- 商品详情页 ---------- */
.product-detail {
  padding: 60px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-main-image {
  width: 100%;
  height: 500px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-paper-dark);
  margin-bottom: 16px;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumbs {
  display: flex;
  gap: 12px;
}

.product-thumb {
  width: 80px;
  height: 80px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s;
}

.product-thumb.active,
.product-thumb:hover {
  border-color: var(--color-gold);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info-detail h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.product-info-detail .product-subtitle {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  margin-bottom: 24px;
}

.product-info-detail .price-box {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 24px;
}

.product-info-detail .price-current {
  font-size: 2rem;
}

.product-info-detail .product-meta {
  margin-bottom: 24px;
}

.product-info-detail .product-meta li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-ink-light);
  border-bottom: 1px dashed var(--color-line);
}

.product-info-detail .product-meta li strong {
  color: var(--color-ink);
  margin-right: 12px;
  font-family: var(--font-serif);
}

.quantity-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

.quantity-label {
  font-family: var(--font-serif);
  font-size: 0.95rem;
}

.quantity-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: 2px;
}

.quantity-control button {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-paper);
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--color-ink);
  transition: background 0.3s;
}

.quantity-control button:hover {
  background: var(--color-line);
}

.quantity-control input {
  width: 60px;
  height: 40px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--color-white);
  outline: none;
}

.btn-add-cart,
.btn-buy-now {
  padding: 14px 40px;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s;
  border: 2px solid var(--color-ink);
  margin-right: 16px;
}

.btn-add-cart {
  background: var(--color-ink);
  color: var(--color-paper);
}

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

.btn-buy-now {
  background: transparent;
  color: var(--color-ink);
}

.btn-buy-now:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}

/* 商品详情描述区 */
.product-tabs {
  border-top: 1px solid var(--color-line);
  margin-top: 40px;
}

.tab-headers {
  display: flex;
  gap: 40px;
  margin-bottom: 32px;
}

.tab-header {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink-light);
  cursor: pointer;
  padding-bottom: 12px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}

.tab-header.active {
  color: var(--color-ink);
  border-color: var(--color-red);
}

.tab-content {
  display: none;
  line-height: 2;
  font-size: 0.95rem;
  color: var(--color-ink-light);
}

.tab-content.active {
  display: block;
}

.tab-content p {
  margin-bottom: 16px;
}

.tab-content h4 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  margin: 24px 0 12px;
}

/* ---------- 购物车页面 ---------- */
.cart-page {
  padding: 60px 0;
  min-height: 500px;
}

.cart-empty {
  text-align: center;
  padding: 80px 0;
}

.cart-empty .icon {
  font-size: 4rem;
  margin-bottom: 24px;
  opacity: 0.3;
}

.cart-empty h2 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  margin-bottom: 12px;
}

.cart-empty p {
  color: var(--color-ink-light);
  margin-bottom: 24px;
}

.cart-empty .btn {
  display: inline-block;
  padding: 12px 36px;
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-serif);
  letter-spacing: 2px;
  border-radius: 2px;
  transition: background 0.3s;
}

.cart-empty .btn:hover {
  background: var(--color-red);
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.cart-items {
  background: var(--color-white);
  border-radius: 4px;
  border: 1px solid var(--color-line);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto auto;
  gap: 20px;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-line);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-paper-dark);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.cart-item-info .variant {
  font-size: 0.8rem;
  color: var(--color-ink-light);
}

.cart-item-price {
  font-family: var(--font-serif);
  color: var(--color-red);
  font-weight: 600;
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: 2px;
}

.cart-item-quantity button {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--color-paper);
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-ink);
}

.cart-item-quantity button:hover {
  background: var(--color-line);
}

.cart-item-quantity span {
  width: 36px;
  text-align: center;
  font-size: 0.9rem;
}

.cart-item-remove {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--color-ink-light);
  cursor: pointer;
  transition: color 0.3s;
}

.cart-item-remove:hover {
  color: var(--color-red);
}

/* 购物车汇总 */
.cart-summary {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 28px;
  position: sticky;
  top: 100px;
}

.cart-summary h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-ink);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--color-ink-light);
}

.summary-row.total {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-ink);
  font-weight: 600;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.summary-row.total .amount {
  color: var(--color-red);
  font-size: 1.4rem;
}

.btn-checkout {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--color-red);
  color: white;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 4px;
  text-align: center;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s;
}

.btn-checkout:hover {
  background: var(--color-red-dark);
}

.cart-summary .shipping-note {
  font-size: 0.8rem;
  color: var(--color-ink-light);
  text-align: center;
  margin-top: 12px;
}

/* ---------- 结算页面 ---------- */
.checkout-page {
  padding: 60px 0;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}

.checkout-form {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 36px;
}

.form-section {
  margin-bottom: 36px;
}

.form-section h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-ink);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-ink-light);
  margin-bottom: 6px;
  font-family: var(--font-serif);
}

.form-group label .required {
  color: var(--color-red);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-ink);
  background: var(--color-paper);
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
}

.form-group input.error {
  border-color: var(--color-red);
}

/* 支付方式 */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}

.payment-option:hover {
  border-color: var(--color-gold);
}

.payment-option.selected {
  border-color: var(--color-red);
  background: rgba(165, 42, 42, 0.03);
}

.payment-option input[type="radio"] {
  accent-color: var(--color-red);
}

.payment-option .pay-label {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-ink);
}

.payment-option .pay-desc {
  font-size: 0.8rem;
  color: var(--color-ink-light);
}

.payment-option .pay-icon {
  font-size: 1.5rem;
}

/* 订单摘要 */
.order-summary {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 28px;
  position: sticky;
  top: 100px;
}

.order-summary h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
}

.order-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.order-item-image {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-paper-dark);
}

.order-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.order-item-info {
  flex: 1;
}

.order-item-info h5 {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-ink);
}

.order-item-info .qty {
  font-size: 0.75rem;
  color: var(--color-ink-light);
}

.order-item-price {
  font-family: var(--font-serif);
  color: var(--color-red);
  font-size: 0.9rem;
}

.order-totals {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

.btn-place-order {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--color-red);
  color: white;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 4px;
  text-align: center;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s;
}

.btn-place-order:hover {
  background: var(--color-red-dark);
}

/* ---------- 关于页面 ---------- */
.about-hero {
  height: 400px;
  background-image: url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?w=1600&q=80');
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(44, 44, 44, 0.5);
}

.about-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-paper);
}

.about-hero-content h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  letter-spacing: 8px;
  margin-bottom: 12px;
}

.about-hero-content p {
  font-family: var(--font-brush);
  font-size: 1.4rem;
  color: var(--color-gold-light);
  letter-spacing: 4px;
}

.about-content {
  padding: 80px 0;
}

.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-section:nth-child(even) .about-text {
  order: -1;
}

.about-image {
  height: 400px;
  border-radius: 4px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.about-text .subtitle {
  font-family: var(--font-serif);
  color: var(--color-gold);
  letter-spacing: 3px;
  margin-bottom: 8px;
  display: block;
}

.about-text p {
  color: var(--color-ink-light);
  line-height: 2;
  margin-bottom: 16px;
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-text {
  color: var(--color-paper);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  opacity: 0.7;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: var(--color-gold);
}

.footer-social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0.7;
  transition: all 0.3s;
}

.footer-social a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ---------- 提示弹窗 ---------- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 16px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
}

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

.toast .toast-icon {
  color: var(--color-gold);
  margin-right: 8px;
}

/* ---------- 语言切换器 ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
  border-left: 1px solid var(--color-line);
  padding-left: 12px;
}

.lang-btn {
  padding: 4px 8px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-ink-light);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s;
  letter-spacing: 1px;
}

.lang-btn:hover {
  color: var(--color-ink);
  border-color: var(--color-line);
}

.lang-btn.active {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .product-grid,
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-paper);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--color-line);
    gap: 16px;
  }

  .nav-menu.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .lang-switch {
    padding-left: 8px;
  }

  .lang-btn {
    padding: 3px 6px;
    font-size: 0.7rem;
  }

  .hero {
    height: 480px;
  }

  .hero-content h1 {
    font-size: 2rem;
    letter-spacing: 4px;
  }

  .hero-content .tagline {
    font-size: 1.2rem;
  }

  .product-grid,
  .category-grid,
  .crafts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cart-layout,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .cart-item {
    grid-template-columns: 80px 1fr auto;
    gap: 12px;
  }

  .cart-item-quantity {
    grid-column: 2;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .product-gallery {
    position: static;
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-section:nth-child(even) .about-text {
    order: 0;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .product-grid,
  .category-grid,
  .crafts-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .cart-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cart-item-image {
    margin: 0 auto;
  }
}

/* ========================================
   新增样式：搜索 / 评价 / FAQ / 货币 / 社媒
   ======================================== */

/* ---------- 搜索框 ---------- */
.search-box {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 16px;
}

.search-box input {
  padding: 6px 12px;
  border: 0.5px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  width: 180px;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--color-gold);
}

.search-box button {
  padding: 6px 10px;
  background: var(--color-red);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-sans);
}

.search-box button:hover {
  background: var(--color-red-dark);
}

/* ---------- 货币切换器 ---------- */
.currency-switcher {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
}

.currency-btn {
  padding: 2px 8px;
  font-size: 0.75rem;
  border: 0.5px solid var(--color-line);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--color-ink-light);
  transition: all 0.2s;
}

.currency-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-ink);
}

.currency-btn.active {
  background: var(--color-red);
  color: white;
  border-color: var(--color-red);
}

/* ---------- 商品评分 ---------- */
.product-rating {
  font-size: 0.8rem;
  color: var(--color-gold);
  margin: 4px 0;
  letter-spacing: 1px;
}

.product-rating .rating-text {
  color: var(--color-ink-light);
  font-size: 0.75rem;
  margin-left: 4px;
}

.detail-rating {
  margin: 8px 0 12px;
  font-size: 0.9rem;
}

.detail-stars {
  color: var(--color-gold);
  letter-spacing: 2px;
  font-size: 1.1rem;
}

.detail-rating-text {
  color: var(--color-ink-light);
  font-size: 0.85rem;
  margin-left: 8px;
}

/* ---------- 商品评价区域 ---------- */
.product-reviews {
  max-width: var(--max-width);
  margin: 60px auto 40px;
  padding: 0 20px;
}

.product-reviews h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 0.5px solid var(--color-line);
}

.review-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-paper-dark);
  border-radius: 8px;
}

.review-summary-stars {
  font-size: 1.4rem;
  color: var(--color-gold);
  letter-spacing: 2px;
}

.review-summary-text {
  font-size: 0.9rem;
  color: var(--color-ink-light);
}

.review-item {
  padding: 20px 0;
  border-bottom: 0.5px solid var(--color-line);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.review-stars {
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.review-author {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-ink);
}

.review-verified {
  font-size: 0.75rem;
  color: var(--color-jade);
  background: rgba(107, 142, 138, 0.1);
  padding: 2px 8px;
  border-radius: 3px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  margin-bottom: 6px;
}

.review-date {
  font-size: 0.75rem;
  color: var(--color-ink-light);
  opacity: 0.6;
}

/* ---------- FAQ 页面 ---------- */
.faq-container {
  max-width: 800px;
  margin: 60px auto;
  padding: 0 20px;
}

.faq-item {
  margin-bottom: 24px;
  border-bottom: 0.5px solid var(--color-line);
  padding-bottom: 24px;
}

.faq-item h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-ink);
  margin-bottom: 12px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.faq-item h3::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--color-red);
  font-size: 1.3rem;
  transition: transform 0.2s;
}

.faq-item.open h3::after {
  transform: rotate(45deg);
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  line-height: 1.8;
  display: none;
}

.faq-item.open p {
  display: block;
}

/* ---------- 联系页 ---------- */
.contact-container {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--color-paper-dark);
  padding: 32px;
  border-radius: 8px;
}

.contact-info-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--color-ink);
}

.contact-info-item {
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.contact-info-item strong {
  display: block;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.contact-info-item span {
  color: var(--color-ink-light);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 0.5px solid var(--color-line);
  border-radius: 4px;
  background: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  margin-bottom: 16px;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-gold);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form button {
  width: 100%;
  padding: 12px;
  background: var(--color-red);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 4px;
}

.contact-form button:hover {
  background: var(--color-red-dark);
}

/* ---------- 社媒链接 ---------- */
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0.5px solid var(--color-line);
  color: var(--color-ink-light);
  font-size: 0.75rem;
  text-decoration: none;
  transition: all 0.2s;
}

.social-links a:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

/* ---------- 搜索结果标题 ---------- */
#search-result-title {
  display: none;
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-ink);
  margin-bottom: 24px;
}

/* ---------- PayPal 按钮容器 ---------- */
#paypal-button-container {
  margin-top: 20px;
}

/* ---------- 响应式补充 ---------- */
@media (max-width: 768px) {
  .search-box {
    display: none;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .currency-switcher {
    margin-top: 8px;
  }
}