@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap");

/* ==========================================================
   Gotham Typography (Bold 700 / Medium 500 / Book 400)
   Self-hosted Web Fonts + Local System Font Bindings
   ========================================================== */
@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Book.otf") format("opentype"),
       local("Gotham-Book"), local("Gotham Book"), local("Gotham-Regular"), local("Gotham Regular");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Medium.otf") format("opentype"),
       local("Gotham-Medium"), local("Gotham Medium"), local("GothamMedium");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Bold.ttf") format("truetype"),
       local("Gotham-Bold"), local("Gotham Bold"), local("GothamBold");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Gotham";
  src: url("assets/fonts/Gotham-Black.ttf") format("truetype"),
       local("Gotham-Black"), local("Gotham Black"), local("GothamBlack"),
       url("assets/fonts/Gotham-Ultra.otf") format("opentype"),
       local("Gotham-Ultra"), local("Gotham Ultra");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================
   Swei Sans CJK TC (獅尾繁中黑體 / 拔腳黑體) Web Fonts
   Source: max32002/swei-sans (SIL Open Font License 1.1)
   ========================================================== */
@font-face {
  font-family: "Swei Sans CJK TC";
  src: url("https://cdn.jsdelivr.net/gh/max32002/swei-sans@2.102/WebFont/CJK%20TC/SweiSansCJKtc-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Sans CJK TC";
  src: url("https://cdn.jsdelivr.net/gh/max32002/swei-sans@2.102/WebFont/CJK%20TC/SweiSansCJKtc-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Sans CJK TC";
  src: url("https://cdn.jsdelivr.net/gh/max32002/swei-sans@2.102/WebFont/CJK%20TC/SweiSansCJKtc-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Sans CJK TC";
  src: url("https://cdn.jsdelivr.net/gh/max32002/swei-sans@2.102/WebFont/CJK%20TC/SweiSansCJKtc-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Sans CJK TC";
  src: url("https://cdn.jsdelivr.net/gh/max32002/swei-sans@2.102/WebFont/CJK%20TC/SweiSansCJKtc-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================
   BCDA Design System — Japanese Editorial & Modern Theme
   Typography:
   - English & Brand Terms: Gotham family / Montserrat (Geometric Sans)
   - Chinese: Swei Sans CJK TC (獅尾繁中黑體)
   ========================================================== */

:root {
  --color-ink: #111827;
  --color-ink-muted: #4b5563;
  --color-ink-subtle: #9ca3af;
  --color-bg: #f7f6f4;
  --color-card-bg: #ffffff;
  --color-border: #e5e0db;
  --color-border-subtle: #ece8e4;
  
  --backdrop-rose: #ded0cc;
  --accent-blue: #008dbf;
  --accent-blue-hover: #00749e;
  --accent-green: #15803d;
  
  /* English Font Family: Gotham / Montserrat / Geometric Sans */
  --font-en: "Gotham", "Montserrat", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Gotham", "Montserrat", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: "Gotham", "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Chinese Font: Gotham for Latin/Product Names + Swei Sans CJK TC (獅尾繁中黑體) for Hanzi */
  --font-zh: "Gotham", "Montserrat", "Swei Sans CJK TC", "SweiSansCJKtc", "獅尾繁中黑體", "獅尾黑體", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-serif: "Gotham", "Montserrat", "Swei Sans CJK TC", "SweiSansCJKtc", "獅尾繁中黑體", "PingFang TC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-zh);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ==================== Site Header ==================== */
.site-header {
  padding: 36px 48px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.header-brand-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 600px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
}

.site-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.site-slogan-en {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  letter-spacing: -0.01em;
  line-height: 1.45;
  margin-top: 4px;
}

.site-slogan-zh {
  font-family: var(--font-zh);
  font-size: 13px;
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
  font-weight: 500;
  line-height: 1.5;
  margin-top: 4px;
}

/* ==================== Top-Right Filter & Sort Toolbar ==================== */
.header-controls-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-ink-muted);
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
  background: #ffffff;
}

.filter-btn.active {
  background: var(--color-ink);
  color: #ffffff;
  border-color: var(--color-ink);
}

.filter-btn.badge-free {
  border-color: #86efac;
  color: #166534;
}

.filter-btn.badge-free.active {
  background: #166534;
  color: #ffffff;
}

.sort-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sort-select {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-ink);
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.sort-select:hover {
  border-color: var(--color-ink);
}

/* ==================== Editorial Showcase Canvas ==================== */
.showcase-container {
  padding: 30px 48px 100px;
  display: flex;
  flex-direction: column;
  gap: 120px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

.trip-section {
  position: relative;
  width: 100%;
}

.trip-canvas {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
}

/* --- Left Column: Editorial Typography & Information --- */
.trip-content-col {
  flex: 1 1 45%;
  max-width: 520px;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.issue-badge {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  margin-bottom: 24px;
  user-select: none;
}

.title-group {
  display: flex;
  flex-direction: column;
  will-change: transform;
}

.hero-title-en {
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-ink);
  text-transform: uppercase;
  margin-bottom: 12px;
  word-break: break-word;
}

.hero-title-sub {
  font-family: var(--font-zh);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-ink);
  margin-bottom: 16px;
  line-height: 1.4;
}

.hero-catchphrase {
  font-family: var(--font-zh);
  font-size: 14px;
  font-weight: 400;
  color: #4b5563;
  letter-spacing: 0.02em;
  line-height: 1.7;
  margin-bottom: 22px;
}

/* Tags */
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  font-family: var(--font-zh);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  background: rgba(255, 255, 255, 0.94);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.tag-item.tag-free {
  background: #f0fdf4;
  color: #15803d;
  border-color: #bbf7d0;
}

/* --- Right Column: Visual Card, Backdrop, Vertical Date & Action Button --- */
.trip-visual-col {
  flex: 1 1 55%;
  display: flex;
  align-items: flex-start;
  gap: 28px;
  position: relative;
  justify-content: flex-end;
}

/* Vertical Date & Nature Badge */
.vertical-date-wrapper {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  flex-shrink: 0;
  user-select: none;
}

.vertical-date {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-ink);
}

.vertical-date-sub {
  font-family: var(--font-zh);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

/* Visual Card Wrapper (Backdrop + Photo + Floating CTA Button) */
.visual-card-wrapper {
  position: relative;
  width: 100%;
  max-width: 620px;
  aspect-ratio: 16 / 10.5;
}

/* Offset Backdrop Color Box (Layer 1) */
.backdrop-box {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 90%;
  height: 90%;
  background-color: var(--backdrop-rose);
  z-index: 1;
  pointer-events: none;
  border-radius: 2px;
  transition: transform 0.1s cubic-bezier(0.2, 0.9, 0.3, 1);
  will-change: transform;
}

/* Product Visual Card (Layer 2) */
.photo-box {
  position: relative;
  width: 100%;
  height: 100%;
  background: #000000;
  z-index: 2;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16);
  overflow: hidden;
  border-radius: 6px;
  display: block;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  cursor: pointer;
  will-change: transform;
}

.photo-box:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.22);
}

.photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.photo-box:hover img {
  transform: scale(1.03);
}

.photo-box-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.2s ease;
}

.photo-box:hover .photo-box-hint {
  opacity: 1;
  transform: translateY(0);
}

/* Action Circle Button (Direct Creem Buy / Free Download) */
.arrow-action-link {
  position: absolute;
  top: -30px;
  right: -15px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 1.5px solid var(--color-ink);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  text-decoration: none;
  color: var(--color-ink);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.arrow-action-link:hover {
  background-color: var(--color-ink);
  color: #ffffff;
  transform: scale(1.06);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.arrow-price {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-zh);
  line-height: 1.1;
}

.arrow-price.price-free {
  font-size: 15px;
  color: var(--accent-green);
}

.arrow-action-link:hover .arrow-price.price-free {
  color: #ffffff;
}

.arrow-action-link svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  margin-top: 2px;
  transition: transform 0.2s ease;
}

.arrow-action-link:hover svg {
  transform: translateX(3px);
}

.arrow-buy-label {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-zh);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* ==================== Floating Action Menu ==================== */
.floating-menu-btn {
  position: fixed;
  right: 36px;
  bottom: 40px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  color: #ffffff;
  border: none;
  box-shadow: 0 8px 20px rgba(0, 141, 191, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  transition: all 0.25s ease;
}

.floating-menu-btn:hover {
  background-color: var(--accent-blue-hover);
  transform: scale(1.08);
}

.floating-menu-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 2px;
}

.floating-menu-icon span {
  width: 14px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 1px;
}

.floating-menu-text {
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

/* ==================== Modal Drawer Menu ==================== */
.menu-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  justify-content: flex-end;
}

.menu-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.menu-drawer {
  width: 380px;
  max-width: 85%;
  height: 100%;
  background: #ffffff;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.menu-modal-overlay.active .menu-drawer {
  transform: translateX(0);
}

.menu-close-btn {
  align-self: flex-end;
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: 32px;
}

.drawer-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: 24px;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.drawer-links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}

.drawer-links a:hover {
  color: var(--accent-blue);
}

/* ==================== Footer ==================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: #ffffff;
  padding: 40px 48px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-right: 60px;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 28px;
  width: auto;
  object-fit: contain;
}

.footer-tagline {
  font-size: 13px;
  color: var(--color-ink-muted);
  margin-top: 4px;
}

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

.footer-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  width: 100%;
  font-size: 11.5px;
  color: var(--color-ink-subtle);
  padding-top: 20px;
  border-top: 1px solid #f0eeeb;
  margin-top: 20px;
}

/* ==================== Legal & FAQ Pages ==================== */
.legal-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  flex: 1;
}

.legal-main h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.legal-main .updated {
  font-size: 13px;
  color: var(--color-ink-subtle);
  margin-bottom: 32px;
}

.legal-main h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 32px 0 12px;
}

.legal-main p, .legal-main li {
  font-size: 15px;
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.legal-main ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.legal-main a {
  color: var(--accent-blue);
  text-decoration: underline;
}

/* ==================== Product Detail Page Specific ==================== */
.detail-container {
  max-width: 1080px;
  margin: 30px auto 80px;
  padding: 0 32px;
}

.detail-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  margin-bottom: 24px;
  transition: color 0.15s ease;
}

.detail-back-link:hover {
  color: var(--color-ink);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.detail-image-box {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
  background: #000000;
}

.detail-image-box img {
  width: 100%;
  height: auto;
  display: block;
}

.detail-info-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.detail-category-badge {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-blue);
  letter-spacing: 0.04em;
}

.detail-price {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-green);
}

.detail-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.detail-tagline {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.65;
  font-weight: 400;
}

.detail-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 8px 0;
  padding: 18px 20px;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.detail-features-list li {
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #1f2937;
  line-height: 1.55;
}

.btn-detail-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-ink);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 15px;
  padding: 15px 24px;
  border-radius: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  text-decoration: none;
}

.btn-detail-checkout:hover {
  background: #000000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ==================== Language Switcher Pill ==================== */
.lang-switch-wrap {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 3px 6px;
  border-radius: 9999px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.btn-lang {
  background: transparent;
  border: none;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--color-ink-subtle);
  cursor: pointer;
  padding: 2px 7px;
  border-radius: 9999px;
  transition: all 0.15s ease;
  line-height: 1.2;
  outline: none;
}

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

.btn-lang.active {
  background: var(--color-ink);
  color: #ffffff;
}

.lang-divider {
  font-size: 10px;
  color: var(--color-border);
  user-select: none;
}

/* ==================== STRICT LANGUAGE-SPECIFIC TYPOGRAPHY RULES ==================== */

/* --- TRADITIONAL CHINESE MODE (Strict Pure Chinese) --- */
html[lang^="zh"],
html[lang^="zh"] body {
  font-family: var(--font-zh);
}

html[lang^="zh"] .site-slogan-en {
  display: none !important;
}

html[lang^="zh"] .site-slogan-zh {
  display: block !important;
  font-family: var(--font-zh);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

html[lang^="zh"] .hero-title-en {
  font-family: var(--font-en);
  font-weight: 900;
}

html[lang^="zh"] .hero-title-sub {
  font-family: var(--font-zh);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}

html[lang^="zh"] .hero-catchphrase {
  font-family: var(--font-zh);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.65;
  color: #374151;
  letter-spacing: 0.02em;
}

html[lang^="zh"] .tag-item {
  font-family: var(--font-zh);
  font-size: 11.5px;
  font-weight: 400;
}

html[lang^="zh"] .filter-btn {
  font-family: var(--font-zh);
  font-size: 12px;
  font-weight: 500;
}

html[lang^="zh"] .sort-select {
  font-family: var(--font-zh);
  font-size: 12px;
  font-weight: 500;
}

html[lang^="zh"] .arrow-price {
  font-family: var(--font-zh);
  font-size: 17px;
  font-weight: 700;
}

html[lang^="zh"] .arrow-buy-label {
  font-family: var(--font-zh);
  font-size: 11px;
  font-weight: 600;
  text-transform: none;
}

html[lang^="zh"] .vertical-date-sub {
  font-family: var(--font-zh);
  font-size: 12px;
  font-weight: 500;
}

html[lang^="zh"] .detail-title {
  font-family: var(--font-zh);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}

html[lang^="zh"] .detail-tagline {
  font-family: var(--font-zh);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #4b5563;
}

html[lang^="zh"] .detail-features-list li {
  font-family: var(--font-zh);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
}

html[lang^="zh"] .detail-category-badge {
  font-family: var(--font-zh);
  font-size: 12.5px;
  font-weight: 600;
  text-transform: none;
}

html[lang^="zh"] .detail-price {
  font-family: var(--font-zh);
  font-size: 26px;
  font-weight: 700;
}

html[lang^="zh"] .btn-detail-checkout {
  font-family: var(--font-zh);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

html[lang^="zh"] .detail-back-link {
  font-family: var(--font-zh);
  font-size: 13px;
  font-weight: 500;
}

html[lang^="zh"] .drawer-title,
html[lang^="zh"] .drawer-links a {
  font-family: var(--font-zh);
  font-weight: 500;
}

html[lang^="zh"] .site-footer,
html[lang^="zh"] .footer-tagline,
html[lang^="zh"] .footer-links a,
html[lang^="zh"] .footer-bottom {
  font-family: var(--font-zh);
}

/* --- ENGLISH MODE (Strict Pure English, Clean Geometric) --- */
html[lang="en"],
html[lang="en"] body {
  font-family: var(--font-en);
}

html[lang="en"] .site-slogan-zh {
  display: none !important;
}

html[lang="en"] .site-slogan-en {
  display: block !important;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

html[lang="en"] .hero-title-en {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

html[lang="en"] .hero-title-sub {
  font-family: var(--font-en);
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  line-height: 1.35;
  margin-bottom: 8px;
}

html[lang="en"] .hero-catchphrase {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: #4b5563;
  letter-spacing: 0.005em;
}

html[lang="en"] .tag-item {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

html[lang="en"] .filter-btn {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

html[lang="en"] .sort-select {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
}

html[lang="en"] .arrow-price {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

html[lang="en"] .arrow-buy-label {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[lang="en"] .vertical-date-sub {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

html[lang="en"] .detail-title {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

html[lang="en"] .detail-tagline {
  font-family: var(--font-en);
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.65;
  color: #4b5563;
  letter-spacing: 0.005em;
}

html[lang="en"] .detail-features-list li {
  font-family: var(--font-en);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.55;
  color: #1f2937;
}

html[lang="en"] .detail-category-badge {
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

html[lang="en"] .detail-price {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
}

html[lang="en"] .btn-detail-checkout {
  font-family: var(--font-en);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

html[lang="en"] .detail-back-link {
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 500;
}

html[lang="en"] .drawer-title,
html[lang="en"] .drawer-links a {
  font-family: var(--font-en);
  font-weight: 600;
}

html[lang="en"] .site-footer,
html[lang="en"] .footer-tagline,
html[lang="en"] .footer-links a,
html[lang="en"] .footer-bottom {
  font-family: var(--font-en);
}

/* ==================== Responsive Breakpoints ==================== */
@media (max-width: 992px) {
  .site-header {
    flex-direction: column;
    padding: 24px 20px;
    gap: 16px;
  }
  .header-controls-col {
    align-items: flex-start;
    width: 100%;
  }
  .filter-tabs {
    justify-content: flex-start;
  }
  .showcase-container {
    padding: 10px 20px 60px;
    gap: 60px;
  }
  .trip-canvas {
    flex-direction: column;
    gap: 32px;
    align-items: stretch;
  }
  .trip-content-col {
    max-width: 100%;
    width: 100%;
  }
  .trip-visual-col {
    width: 100%;
    flex-direction: column-reverse;
    gap: 16px;
  }
  .vertical-date-wrapper {
    writing-mode: horizontal-tb;
    flex-direction: row;
    padding-top: 0;
    gap: 10px;
  }
  .visual-card-wrapper {
    max-width: 100%;
    aspect-ratio: 16 / 10;
  }
  .backdrop-box {
    right: -8px;
    bottom: -8px;
  }
  .arrow-action-link {
    top: -20px;
    right: 8px;
    width: 84px;
    height: 84px;
  }
  .hero-title-en {
    font-size: 32px;
  }
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}