/* ===== 国风文化电商主题样式 ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  --red-dark: #8B1A1A;
  --red-main: #C0392B;
  --red-light: #E8A598;
  --gold-dark: #8B6914;
  --gold-main: #D4AC0D;
  --gold-light: #F5E6A3;
  --ink: #1A1A1A;
  --ink-light: #3D3D3D;
  --paper: #FDF6E3;
  --paper-light: #FFFDF5;
  --border: rgba(139, 26, 26, 0.2);
  --shadow: rgba(0, 0, 0, 0.08);
  --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--red-light); border-radius: 3px; }

/* ===== HEADER 顶部 ===== */
.site-header {
  background: var(--red-dark);
  color: #fff;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--gold-main);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 60px;
  background: linear-gradient(135deg, #6B1414 0%, #8B1A1A 50%, #6B1414 100%);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  width: 52px;
  height: 52px;
  background: var(--gold-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-family: var(--font-serif);
  color: var(--red-dark);
  font-weight: 700;
  border: 2px solid var(--gold-light);
  box-shadow: 0 0 12px rgba(212,172,13,0.4);
  flex-shrink: 0;
}

.logo-text h1 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-main);
  letter-spacing: 4px;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
  line-height: 1.2;
}

.logo-text span {
  font-size: 12px;
  color: var(--gold-light);
  letter-spacing: 3px;
  opacity: 0.9;
}

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(212,172,13,0.4);
  border-radius: 24px;
  padding: 6px 16px;
  width: 300px;
  transition: all 0.3s;
}

.header-search:focus-within {
  background: rgba(255,255,255,0.2);
  border-color: var(--gold-main);
  box-shadow: 0 0 10px rgba(212,172,13,0.3);
}

.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  flex: 1;
  font-family: var(--font-sans);
}

.header-search input::placeholder { color: rgba(255,255,255,0.5); }

.header-search button {
  background: none;
  border: none;
  color: var(--gold-light);
  cursor: pointer;
  font-size: 16px;
  padding: 0 0 0 8px;
  transition: color 0.2s;
}

.header-search button:hover { color: var(--gold-main); }

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

.header-actions a {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: color 0.2s;
}

.header-actions a .icon { font-size: 20px; }
.header-actions a:hover { color: var(--gold-main); }

.cart-badge {
  position: relative;
}

.cart-badge .count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--gold-main);
  color: var(--red-dark);
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== NAV 导航 ===== */
.main-nav {
  background: var(--red-dark);
  border-top: 1px solid rgba(212,172,13,0.3);
  padding: 0 60px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-center {
  display: flex;
  gap: 0;
}

.nav-item {
  color: rgba(255,255,255,0.85);
  padding: 12px 18px;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.2s;
  position: relative;
  font-family: var(--font-sans);
  cursor: pointer;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold-main);
  transition: width 0.3s;
}

.nav-item:hover::after, .nav-item.active::after { width: 70%; }
.nav-item:hover, .nav-item.active { color: var(--gold-main); }

.nav-divider {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.2);
  align-self: center;
}

/* ===== HERO 轮播 ===== */
.hero-slider {
  position: relative;
  height: 520px;
  overflow: hidden;
  background: #2C0A0A;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.slide.active { opacity: 1; }

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease;
}

.slide.active .slide-bg { transform: scale(1.04); }

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.15) 60%, transparent 100%);
}

.slide-content {
  position: relative;
  z-index: 2;
  padding: 0 80px;
  max-width: 560px;
}

.slide-tag {
  display: inline-block;
  background: var(--gold-main);
  color: var(--red-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  letter-spacing: 3px;
  margin-bottom: 20px;
  font-family: var(--font-serif);
}

.slide-content h2 {
  font-family: var(--font-serif);
  font-size: 44px;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 6px;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
  margin-bottom: 16px;
}

.slide-content p {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.btn-slide {
  display: inline-block;
  background: var(--gold-main);
  color: var(--red-dark);
  padding: 10px 30px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 3px;
  transition: all 0.3s;
  border: 2px solid var(--gold-main);
  cursor: pointer;
}

.btn-slide:hover {
  background: transparent;
  color: var(--gold-main);
}

.slider-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.6);
  transition: all 0.3s;
}

.dot.active {
  background: var(--gold-main);
  border-color: var(--gold-main);
  width: 24px;
  border-radius: 4px;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(139,26,26,0.6);
  border: 1px solid rgba(212,172,13,0.4);
  color: var(--gold-light);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  font-size: 20px;
  transition: all 0.3s;
}

.slider-arrow:hover { background: var(--red-dark); border-color: var(--gold-main); }
.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

/* ===== 公告栏 ===== */
.notice-bar {
  background: var(--gold-light);
  border-bottom: 1px solid rgba(139, 105, 20, 0.3);
  padding: 8px 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
}

.notice-label {
  background: var(--red-dark);
  color: var(--gold-light);
  font-size: 12px;
  padding: 2px 10px;
  font-family: var(--font-serif);
  white-space: nowrap;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.notice-scroll {
  overflow: hidden;
  flex: 1;
}

.notice-track {
  display: flex;
  gap: 60px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.notice-track span {
  font-size: 13px;
  color: var(--gold-dark);
  letter-spacing: 1px;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== 分类图标区 ===== */
.category-strip {
  background: var(--paper-light);
  border-bottom: 1px solid var(--border);
  padding: 28px 60px;
}

.category-grid {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s;
  min-width: 88px;
  position: relative;
  overflow: hidden;
}

.cat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--red-dark);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.cat-item:hover::before { transform: scaleX(1); }
.cat-item:hover { border-color: var(--red-light); background: var(--paper); }

.cat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: var(--paper);
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.cat-item:hover .cat-icon {
  background: var(--red-dark);
  color: var(--gold-light);
  border-color: var(--red-dark);
  transform: rotate(8deg) scale(1.1);
}

.cat-item span {
  font-size: 13px;
  color: var(--ink-light);
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

/* ===== 板块标题 ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-title h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--red-dark);
  letter-spacing: 3px;
}

.title-deco {
  display: flex;
  align-items: center;
  gap: 6px;
}

.title-deco::before, .title-deco::after {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--gold-main);
}

.title-deco .diamond {
  width: 8px;
  height: 8px;
  background: var(--red-dark);
  transform: rotate(45deg);
}

.section-more {
  color: var(--red-dark);
  font-size: 13px;
  border: 1px solid var(--border);
  padding: 5px 16px;
  transition: all 0.3s;
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

.section-more:hover {
  background: var(--red-dark);
  color: var(--gold-light);
  border-color: var(--red-dark);
}

/* ===== 商品卡片 ===== */
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  border-color: var(--red-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(139,26,26,0.1);
}

.product-img-wrap {
  position: relative;
  overflow: hidden;
  height: 220px;
  background: var(--paper);
}

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

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

.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--red-dark);
  color: var(--gold-light);
  font-size: 11px;
  padding: 2px 8px;
  font-family: var(--font-serif);
  letter-spacing: 1px;
  z-index: 2;
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(139,26,26,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 3;
}

.product-card:hover .product-overlay { opacity: 1; }

.overlay-btn {
  background: #fff;
  color: var(--red-dark);
  border: none;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-serif);
  transition: all 0.2s;
}

.overlay-btn:hover {
  background: var(--gold-main);
  color: var(--red-dark);
}

.product-info {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--border);
}

.product-name {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 1px;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-sub {
  font-size: 12px;
  color: #888;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price-current {
  font-size: 20px;
  font-weight: 700;
  color: var(--red-main);
  font-family: var(--font-serif);
}

.price-current span { font-size: 13px; font-weight: 400; }

.price-original {
  font-size: 12px;
  color: #aaa;
  text-decoration: line-through;
}

.add-cart-btn {
  background: var(--red-dark);
  color: var(--gold-light);
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.3s;
}

.add-cart-btn:hover {
  background: var(--gold-main);
  color: var(--red-dark);
  transform: scale(1.1);
}

/* ===== 商品网格 ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

/* ===== 板块区域 ===== */
.section {
  padding: 48px 60px;
}

.section-alt { background: var(--paper-light); }

/* ===== 特色区（三栏） ===== */
.feature-banner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 0;
}

.feature-card {
  position: relative;
  height: 260px;
  overflow: hidden;
  cursor: pointer;
}

.feature-card-bg {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s;
}

.feature-card:hover .feature-card-bg { transform: scale(1.06); }

.feature-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: background 0.3s;
}

.feature-card:hover .feature-card-overlay {
  background: linear-gradient(to top, rgba(139,26,26,0.8) 0%, rgba(139,26,26,0.2) 60%);
}

.feature-card-overlay h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: #fff;
  letter-spacing: 3px;
  margin-bottom: 6px;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

.feature-card-overlay p {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1px;
}

.feature-card-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gold-main);
  color: var(--red-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  letter-spacing: 2px;
  font-family: var(--font-serif);
}

/* ===== 品牌故事 ===== */
.brand-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.brand-story-text h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--red-dark);
  letter-spacing: 4px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.brand-story-text .subtitle {
  font-size: 14px;
  color: var(--gold-dark);
  letter-spacing: 3px;
  margin-bottom: 20px;
  font-family: var(--font-serif);
}

.brand-story-text p {
  font-size: 14px;
  color: var(--ink-light);
  line-height: 2;
  margin-bottom: 16px;
  text-indent: 2em;
}

.brand-story-img {
  position: relative;
}

.brand-story-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.brand-story-img::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 2px solid var(--gold-main);
  z-index: 0;
  pointer-events: none;
}

/* ===== 优势模块 ===== */
.advantages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.advantage-item {
  padding: 30px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-right: 1px solid var(--border);
  transition: background 0.3s;
}

.advantage-item:last-child { border-right: none; }
.advantage-item:hover { background: var(--paper); }

.adv-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 48px;
  text-align: center;
}

.adv-text h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--red-dark);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.adv-text p { font-size: 12px; color: #888; line-height: 1.6; }

/* ===== FOOTER ===== */
.site-footer {
  background: #1A0A0A;
  color: rgba(255,255,255,0.75);
  padding: 60px 60px 0;
  border-top: 2px solid var(--gold-main);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold-main);
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 2;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(212,172,13,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
  color: rgba(255,255,255,0.6);
}

.social-btn:hover {
  background: var(--gold-main);
  color: var(--red-dark);
  border-color: var(--gold-main);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--gold-light);
  letter-spacing: 2px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(212,172,13,0.2);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
  letter-spacing: 0.5px;
}

.footer-links a:hover { color: var(--gold-main); }

.footer-newsletter {
  margin-top: 20px;
}

.footer-newsletter p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}

.newsletter-form {
  display: flex;
  gap: 0;
}

.newsletter-form input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-right: none;
  padding: 8px 14px;
  color: #fff;
  font-size: 13px;
  outline: none;
  font-family: var(--font-sans);
}

.newsletter-form button {
  background: var(--red-dark);
  color: var(--gold-light);
  border: 1px solid var(--red-dark);
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 13px;
  transition: all 0.3s;
  letter-spacing: 1px;
}

.newsletter-form button:hover {
  background: var(--gold-main);
  color: var(--red-dark);
  border-color: var(--gold-main);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.3); }

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
}

.footer-bottom-links a:hover { color: var(--gold-main); }

/* ===== 通用按钮 ===== */
.btn-primary {
  display: inline-block;
  background: var(--red-dark);
  color: var(--gold-light);
  padding: 11px 30px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 2px;
  border: 2px solid var(--red-dark);
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--red-dark);
  padding: 11px 30px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 2px;
  border: 2px solid var(--red-dark);
  cursor: pointer;
  transition: all 0.3s;
}

.btn-outline:hover {
  background: var(--red-dark);
  color: var(--gold-light);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  background: #fff;
  color: var(--ink-light);
}

.page-btn:hover, .page-btn.active {
  background: var(--red-dark);
  color: var(--gold-light);
  border-color: var(--red-dark);
}

/* ===== Toast通知 ===== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--red-dark);
  color: var(--gold-light);
  padding: 12px 20px;
  font-size: 13px;
  font-family: var(--font-serif);
  letter-spacing: 1px;
  border-left: 3px solid var(--gold-main);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: 280px;
}

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

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

/* ===== 骨架屏 ===== */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-top, .main-nav, .notice-bar, .section { padding-left: 24px; padding-right: 24px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-top { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .header-search { width: 100%; order: 3; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-banner { grid-template-columns: 1fr; }
  .brand-story { grid-template-columns: 1fr; }
  .advantages { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-slider { height: 340px; }
  .slide-content h2 { font-size: 28px; }
}

/* ===== 装饰纹样 ===== */
.chinese-pattern {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(139,26,26,0.04) 10px,
    rgba(139,26,26,0.04) 20px
  );
}

/* ===== 加载动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 商品筛选 ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-label {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-light);
  letter-spacing: 1px;
}

.filter-tag {
  padding: 5px 14px;
  border: 1px solid var(--border);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  color: var(--ink-light);
  font-family: var(--font-serif);
  letter-spacing: 0.5px;
}

.filter-tag:hover, .filter-tag.active {
  background: var(--red-dark);
  color: var(--gold-light);
  border-color: var(--red-dark);
}

/* ===== 星级评分 ===== */
.stars { color: var(--gold-main); font-size: 13px; letter-spacing: 1px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  font-size: 13px;
  color: #888;
}

.breadcrumb a { color: #888; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--red-dark); }
.breadcrumb .sep { color: var(--gold-main); }
.breadcrumb .current { color: var(--red-dark); }