/* 结构同 CMS 页脚，配色与首页品牌色一致 */
.site-footer[data-v-2d07751e] {
  background: var(--bn-bg);
  border-top: 1px solid var(--bn-border);
  margin-top: 80px;
}
.footer-inner[data-v-2d07751e] {
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 40px 30px;
}
.footer-grid[data-v-2d07751e] {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4[data-v-2d07751e] {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 18px;
  color: var(--bn-footer-heading);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bn-footer-heading);
  display: inline-block;
}
.footer-col ul[data-v-2d07751e] {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li[data-v-2d07751e] {
  margin-bottom: 10px;
}
.footer-col a[data-v-2d07751e] {
  font-size: 12px;
  color: var(--bn-text-soft);
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a[data-v-2d07751e]:hover {
  color: var(--bn-gold);
}
.footer-col-brand[data-v-2d07751e] {
  padding-top: 22px;
}
.footer-brand[data-v-2d07751e],
.footer-desc[data-v-2d07751e] {
  font-family: var(--bn-font-chrome);
  font-synthesis: none;
}
.footer-brand[data-v-2d07751e] {
  font-size: 14px;
  font-weight: 600;
  line-height: 14px;
  color: var(--bn-text-muted);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.footer-desc[data-v-2d07751e] {
  font-size: 12px;
  font-weight: 400;
  color: var(--bn-text-soft);
  line-height: 1.55;
  letter-spacing: 0.02em;
  margin-top: 0;
  max-width: 280px;
}
.footer-bottom[data-v-2d07751e] {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--bn-border);
  font-size: 11px;
  color: var(--bn-text-soft);
  background: var(--bn-bg);
}
.footer-bottom-right[data-v-2d07751e] {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 0;
}
.footer-bottom a[data-v-2d07751e] {
  color: var(--bn-text-soft);
  margin-left: 16px;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-bottom a[data-v-2d07751e]:hover {
  color: var(--bn-gold);
}
.footer-ic-icon[data-v-2d07751e] {
  height: 14px;
  width: auto;
  vertical-align: middle;
  margin-right: 4px;
}
@media (max-width: 1200px) {
.footer-inner[data-v-2d07751e] {
    padding-left: 28px;
    padding-right: 28px;
}
.footer-grid[data-v-2d07751e] {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 24px;
}
}
@media (max-width: 900px) {
.footer-grid[data-v-2d07751e] {
    gap: 20px;
}
.footer-col h4[data-v-2d07751e] {
    letter-spacing: 2px;
}
}
@media (max-width: 768px) {
.footer-inner[data-v-2d07751e] {
    padding: 36px 20px 24px;
}
.footer-grid[data-v-2d07751e] {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}
.footer-col[data-v-2d07751e]:first-child {
    grid-column: 1 / -1;
    margin-bottom: 8px;
}
.footer-bottom[data-v-2d07751e] {
    flex-direction: column;
    gap: 10px;
    text-align: center;
}
.footer-bottom a[data-v-2d07751e] {
    margin-left: 0;
    margin-right: 12px;
}
}

/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--bn-font-sans);
  color: var(--bn-text);
  background: var(--bn-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
}
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}
@media (max-width: 1024px) {
.container {
    padding: 0 30px;
}
}

/* 页面过渡动画 */
.page-enter-active,
.page-leave-active {
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.page-enter-from {
  opacity: 0;
  transform: translateY(20px);
}
.page-leave-to {
  opacity: 0;
  transform: translateY(-20px);
}

/* 顶部工具栏 */
.top-bar {
  background: var(--bn-bg-soft);
  border-bottom: 1px solid var(--bn-border);
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-left .tagline {
  font-size: 12px;
  color: var(--bn-text-soft);
  letter-spacing: 3px;
}
.top-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.top-right a {
  font-size: 12px;
  color: var(--bn-text-soft);
  letter-spacing: 1px;
}
.top-right a:hover {
  color: var(--bn-gold);
}
.top-right .divider {
  color: var(--bn-border);
}

/* 主导航：复刻 Montblanc 风格分栏 */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 62px;
  display: grid;
  grid-template-columns: 192px 96px minmax(220px, 1fr) 96px 108px auto;
  align-items: stretch;
  font-family: var(--bn-font-chrome);
  font-synthesis: none;
  background: var(--bn-chrome-solid);
  border-top: none;
  border-bottom: 1px solid var(--bn-border);
}
.header-cell {
  height: 62px;
  border-right: 1px solid var(--bn-border);
  display: grid;
  place-items: center;
  padding: 0;
  font-family: inherit;
  font-size: 14px;
  line-height: 14px;
  font-synthesis: none;
}
.header-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--bn-text-muted);
  letter-spacing: 0.04em;
  text-transform: none;
  white-space: nowrap;
  line-height: 14px;
  transition: background 0.22s ease, color 0.22s ease;
}
.header-tab:hover::before,
.header-tab.active::before {
  content: '▷';
  font-size: 11px;
  line-height: 1;
}
.header-tab:hover,
.header-tab.active {
  background: #f7f7f7;
  color: var(--bn-text);
}
.header-search-shell svg {
  flex-shrink: 0;
  display: block;
}
.header-tab-trigger {
  border: none;
  border-right: 1px solid var(--bn-border);
  cursor: pointer;
  background: transparent;
  font-family: inherit;
}
.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0;
  box-sizing: border-box;
  line-height: 0;
  transition: background 0.22s ease;
}
.header-logo:hover {
  background: #f7f7f7;
}
.header-logo img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  display: block;
}
.header-search-shell {
  border: none;
  border-right: 1px solid var(--bn-border);
  background: transparent;
  width: 100%;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 0 18px;
  color: var(--bn-text-soft);
  font-size: 14px;
  font-weight: 500;
  line-height: 14px;
  font-family: inherit;
  font-synthesis: none;
  white-space: nowrap;
  cursor: pointer;
}
.header-search-shell span {
  line-height: 14px;
}
.header-search-shell:hover {
  background: #f7f7f7;
}
.header-region {
  border: none;
  border-right: 1px solid var(--bn-border);
  background: transparent;
  width: 100%;
  height: 62px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 500;
  line-height: 14px;
  font-family: inherit;
  font-synthesis: none;
  white-space: nowrap;
  color: var(--bn-text);
  cursor: pointer;
}
.header-region:hover {
  background: #f7f7f7;
}
.header-actions {
  border-right: none;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0 8px;
}
.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--bn-text);
  transition: color 0.25s ease, background 0.25s ease;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 0;
  text-decoration: none;
}
.action-btn:hover {
  color: var(--bn-text);
  background: #f7f7f7;
}
.cart-btn {
  position: relative;
}
.cart-count {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 16px;
  height: 16px;
  background: var(--bn-text);
  color: #fff;
  font-size: 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 用户菜单 */
.user-menu-wrapper {
  position: relative;
}
.user-btn {
  width: auto !important;
  padding: 0 10px;
  gap: 6px;
.user-name {
    font-size: 14px;
    font-weight: 500;
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
}
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0;
  width: 180px;
  background: var(--bn-bg-card);
  border: 1px solid var(--bn-border);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  z-index: 1000;
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--bn-text-muted);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
&:hover {
      background: var(--bn-gold-soft);
      color: var(--bn-text);
}
svg {
      color: var(--bn-text-soft);
}
}
.dropdown-divider {
    height: 1px;
    background: var(--bn-border-light);
    margin: 4px 0;
}
.logout-btn {
    width: 100%;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 13px;
&:hover {
      background: var(--bn-gold-soft);
}
}
}
.mega-menu-shell {
  position: fixed;
  top: 62px;
  left: 0;
  width: 100%;
  height: calc(100vh - 62px);
  max-height: calc(100vh - 62px);
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  overflow: hidden;
  z-index: 999;
  background: transparent;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}
.mega-menu-shell.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: none;
}
.mega-menu-panel {
  flex: 0 0 85%;
  width: 85%;
  max-width: 85%;
  margin: 0;
  min-height: calc(100vh - 62px);
  background: #f7f7f7;
  border-bottom: 1px solid var(--bn-border);
  overflow-x: hidden;
  overflow-y: auto;
  pointer-events: auto;
  box-sizing: border-box;
}
.shop-mega-inner {
  display: flex;
  align-items: stretch;
}

/* 默认仅一级：面板宽度贴合左栏，不露出右侧空白背景 */
.shop-mega-inner.mega-menu-panel {
  flex: 0 0 auto;
  width: auto;
  max-width: min(336px, 85vw);
}
.shop-mega-inner.mega-menu-panel.is-secondary-open {
  flex: 0 0 85%;
  width: 85%;
  max-width: 85%;
}
.shop-primary-list {
  flex: 0 0 288px;
  width: 288px;
  border-right: none;
  padding: 24px 24px 22px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: calc(100vh - 62px);
}
.shop-mega-inner.is-secondary-open .shop-primary-list {
  border-right: 1px solid var(--bn-border);
}
.shop-default-category-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
  margin-top: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--bn-scroll-thumb) transparent;
}
.shop-default-category-list::-webkit-scrollbar {
  width: 4px;
}
.shop-default-category-list::-webkit-scrollbar-thumb {
  background: var(--bn-scroll-thumb);
  border-radius: 0;
}
.shop-default-category-list::-webkit-scrollbar-track {
  background: transparent;
}
.shop-custom-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shop-custom-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--bn-text);
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.shop-custom-link:hover {
  color: var(--bn-text-muted);
}
.shop-primary-item {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--bn-text);
  letter-spacing: 0.01em;
  cursor: pointer;
  box-sizing: border-box;
  transition: color 0.2s ease;
}
.shop-primary-item:hover,
.shop-primary-item.active,
.shop-primary-item.route-active {
  color: var(--bn-text);
  font-weight: 400;
}
.shop-primary-item.active::before {
  content: '▷';
  margin-right: 6px;
  font-size: 11px;
}
.shop-secondary-panel {
  flex: 1;
  min-width: 280px;
  padding: 16px 24px 20px;
  text-align: left;
  background: #f7f7f7;
  border-left: 1px solid var(--bn-border-light);
  animation: shop-secondary-in 0.2s ease;
}
@keyframes shop-secondary-in {
from {
    opacity: 0;
    transform: translateX(-6px);
}
to {
    opacity: 1;
    transform: translateX(0);
}
}
.shop-secondary-all {
  display: inline-block;
  font-size: 12px;
  color: var(--bn-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.shop-secondary-all:hover {
  color: var(--bn-text);
}
.shop-secondary-grid {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  max-width: 320px;
}
.shop-secondary-item {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--bn-text-muted);
  padding: 7px 0;
  border-bottom: none;
  text-align: left;
  transition: color 0.2s ease;
}
.shop-secondary-item:hover {
  color: var(--bn-text);
}
.shop-secondary-item.active {
  color: var(--bn-text);
}
.bird-mega-inner {
  padding: 40px 60px 60px;
}
.bird-featured-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}
.bird-featured-card {
  display: block;
  text-decoration: none;
  color: inherit;
}
.bird-featured-info,
.bird-links-col {
  text-align: left;
}
.bird-featured-img {
  aspect-ratio: 16 / 9;
  background: var(--bn-chrome-hover);
  overflow: hidden;
  margin-bottom: 15px;
}
.bird-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.bird-featured-card:hover .bird-featured-img img {
  transform: scale(1.05);
}
.bird-featured-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--bn-text);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.bird-featured-subtitle {
  font-size: 12px;
  line-height: 1.55;
  color: var(--bn-text-soft);
  margin: 0;
}
.bird-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.bird-links-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--bn-footer-heading);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.bird-links-list {
  padding: 0;
  margin: 0;
  list-style: none;
}
.bird-links-list li {
  margin-bottom: 12px;
}
.bird-links-list a {
  font-size: 13px;
  color: var(--bn-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.bird-links-list a:hover {
  color: var(--bn-text);
  text-decoration: underline;
}

/* 搜索框 */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 0 40px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.search-overlay.active {
  opacity: 1;
  visibility: visible;
}
.search-container {
  width: 100%;
  max-width: 800px;
  padding: 0 60px;
}
.search-toolbar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.search-header {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 20px;
}
.search-input {
  flex: 1;
  padding: 20px 0;
  font-size: 32px;
  border: none;
  border-bottom: 1px solid var(--bn-border);
  background: transparent;
  outline: none;
  letter-spacing: 2px;
  color: var(--bn-text);
}
.search-input::placeholder {
  color: var(--bn-text-faint);
}
.search-confirm-btn {
  padding: 16px 40px;
  background: var(--bn-dark);
  color: #fff;
  border: none;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}
.search-confirm-btn:hover {
  background: var(--bn-text);
}
.search-suggestions {
  margin-top: 20px;
  border: 1px solid var(--bn-border);
  border-radius: var(--bn-radius-lg);
  background: var(--bn-bg-card);
  overflow: hidden;
}
.suggestion-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 20px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
  color: var(--bn-text-muted);
  background: none;
  border: none;
  border-bottom: 1px solid var(--bn-border-light);
}
.suggestion-item:last-child {
  border-bottom: none;
}
.suggestion-item:hover {
  background: var(--bn-gold-soft);
  color: var(--bn-text);
}
.hot-search-tags {
  padding-top: 16px;
}
.hot-search-tags p {
  font-size: 12px;
  color: var(--bn-text-soft);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.hot-search-tags .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hot-search-tags .tag {
  padding: 10px 24px;
  background: var(--bn-bg-soft);
  border: 1px solid var(--bn-border-light);
  border-radius: var(--bn-radius);
  font-size: 14px;
  color: var(--bn-text-muted);
  cursor: pointer;
  transition: all 0.3s;
}
.hot-search-tags .tag:hover {
  background: var(--bn-gold-soft);
  border-color: var(--bn-gold-muted);
  color: var(--bn-text);
}
.search-close {
  flex-shrink: 0;
  margin-top: 12px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--bn-text);
}
.header-search-mobile {
  display: none;
}

/* 响应式 */
@media (max-width: 1200px) {
.main-header {
    grid-template-columns: 160px 88px minmax(180px, 1fr) 88px 96px auto;
}
.header-logo {
    width: 160px;
}
.shop-primary-list {
    flex: 0 0 250px;
    width: 250px;
    min-height: calc(100vh - 62px);
    padding: 22px 20px;
}
.shop-mega-inner.mega-menu-panel {
    max-width: min(290px, 85vw);
}
.shop-custom-link,
  .shop-primary-item {
    font-size: 12px;
}
}
@media (max-width: 900px) {
.main-header {
    grid-template-columns: 1fr auto auto;
    height: 58px;
}
.header-tab,
  .header-search-shell,
  .header-region,
  .mega-menu-shell {
    display: none;
}
.header-search-mobile {
    display: flex;
}
.search-container {
    padding: 0 20px;
}
.search-toolbar {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 12px;
}
.search-close {
    align-self: flex-end;
    margin-top: 0;
}
.search-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
}
.search-input {
    font-size: 22px;
}
.search-confirm-btn {
    width: 100%;
}
.header-logo {
    justify-content: flex-start;
    padding-left: 16px;
    border-right: none;
}
.header-actions {
    padding-right: 12px;
}
}
/**
 * 自托管品牌字体（SIL OFL，可商用）
 * 英文标题：Cormorant Garamond
 * 中文/UI/正文：Noto Sans SC（清晰黑体，参考万宝龙官网）
 */
/* cormorant-garamond-latin-400-normal */
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/cormorant-garamond-latin-400-normal-B-1hWBU7.woff2) format('woff2'), url(/assets/cormorant-garamond-latin-400-normal-B7YtguxJ.woff) format('woff');
}
/* cormorant-garamond-latin-500-normal */
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/assets/cormorant-garamond-latin-500-normal-BsRWmXhO.woff2) format('woff2'), url(/assets/cormorant-garamond-latin-500-normal-zIXX3Q-H.woff) format('woff');
}
/* cormorant-garamond-latin-600-normal */
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/assets/cormorant-garamond-latin-600-normal-Co1r35X9.woff2) format('woff2'), url(/assets/cormorant-garamond-latin-600-normal-2CBVLo0M.woff) format('woff');
}
/* noto-sans-sc-chinese-simplified-400-normal */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/assets/noto-sans-sc-chinese-simplified-400-normal-q87gDqo7.woff2) format('woff2'), url(/assets/noto-sans-sc-chinese-simplified-400-normal-CbL0g6l6.woff) format('woff');
}
/* noto-sans-sc-chinese-simplified-500-normal */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/assets/noto-sans-sc-chinese-simplified-500-normal-BJa8Edx_.woff2) format('woff2'), url(/assets/noto-sans-sc-chinese-simplified-500-normal-BuWgkHnJ.woff) format('woff');
}
/**
 * BIRD NIAO — Montblanc 风格配色
 * 白底、黑字、浅灰分割线，直角；强调色与正文同为黑系
 */
:root {
  --bn-bg: #ffffff;
  --bn-bg-soft: #f5f5f5;
  --bn-bg-card: #ffffff;
  --bn-chrome-bg: #ffffff;
  --bn-chrome-solid: #ffffff;
  --bn-chrome-hover: #f5f5f5;
  --bn-border: #e5e5e5;
  --bn-border-light: #ebebeb;
  --bn-scroll-thumb: #f4f4f4;
  --bn-scroll-thumb-hover: #e8e8e8;
  --bn-category-scroll-thumb: var(--bn-scroll-thumb);
  --bn-footer-heading: #3f3f3f;
  /* 链接、Tab 下划线、悬停（万宝龙以黑/深灰为强调） */
  --bn-gold: #000000;
  --bn-gold-hover: #333333;
  --bn-gold-soft: rgba(0, 0, 0, 0.06);
  --bn-gold-muted: rgba(0, 0, 0, 0.12);
  --bn-text: #000000;
  --bn-text-muted: #666666;
  --bn-text-soft: #999999;
  --bn-text-faint: #b3b3b3;
  --bn-dark: #000000;
  --bn-shadow: 4px 0 24px rgba(0, 0, 0, 0.06);
  --bn-shadow-card: 0 2px 16px rgba(0, 0, 0, 0.04);
  --bn-radius: 0;
  --bn-radius-lg: 0;
  --bn-font-display-en: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --bn-font-display-zh: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --bn-font-display: 'Cormorant Garamond', 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', sans-serif;
  --bn-font-sans: 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', Arial, sans-serif;
  --bn-font-chrome: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--bn-scroll-thumb) var(--bn-bg-soft);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--bn-font-sans);
  font-weight: 400;
  color: #000000;
  background: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--bn-font-display);
  font-weight: 500;
  letter-spacing: 0.02em;
}

::selection {
  background: rgba(0, 0, 0, 0.12);
  color: #000000;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bn-bg-soft);
}

::-webkit-scrollbar-thumb {
  background: var(--bn-scroll-thumb);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bn-scroll-thumb-hover);
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 60px;
}
@media (max-width: 992px) {
  .container {
    padding: 0 30px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: 12px;
  letter-spacing: 3px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.4s ease;
}
.btn-primary {
  background: #000000;
  color: #fff;
  border: 1px solid #000000;
}
.btn-primary:hover {
  background: #333333;
  border-color: #333333;
}
.btn-outline {
  background: transparent;
  color: #000000;
  border: 1px solid #000000;
}
.btn-outline:hover {
  background: #000000;
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #000000;
}

.title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 8px;
  text-align: center;
}
@media (max-width: 768px) {
  .title {
    font-size: 28px;
    letter-spacing: 4px;
  }
}

.subtitle {
  font-size: 13px;
  letter-spacing: 1px;
  color: #9a9288;
  text-align: center;
}

.section {
  padding: 120px 0;
}
@media (max-width: 992px) {
  .section {
    padding: 80px 0;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

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

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

.mb-60 {
  margin-bottom: 60px;
}

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--bn-dark);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--bn-radius);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.toast-error {
  background: #c00;
}/* 页面/媒体加载：统一 loading-spinner 图标，保持图片原始尺寸 */
.bn-media-loading {
  position: relative;
  background: var(--bn-bg-soft, #f0f0f0);
}

.bn-media-loading::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--bn-bg-soft, #f0f0f0) url('/images/loading-spinner.png') center center no-repeat;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.bn-media-loading.is-loaded::before {
  opacity: 0;
  visibility: hidden;
}

.bn-media-loading img {
  position: relative;
  z-index: 0;
}

.bn-page-spinner,
.bn-loading-icon {
  display: block;
  width: auto;
  height: auto;
}

.article-state--icon-only {
  gap: 0;
}

.article-state--icon-only > span {
  display: none;
}

.article-spinner,
.article-spinner--img {
  display: block;
  width: auto;
  height: auto;
  border: none;
  border-radius: 0;
  animation: none;
  background: none;
}

.page-loading-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}