/* ===== CJK Typography & Readability ===== */
.font-chinese {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Heiti SC", sans-serif;
}

/* Chinese requires +15% font size & 1.8 line-height for CJK clarity */
html[lang="zh-CN"] body,
html[lang="zh-CN"] p,
html[lang="zh-CN"] li,
html[lang="zh-CN"] .hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

/* ===== Mobile Sticky WeChat CTA ===== */
.wechat-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 90;
  background: #07C160;
  color: white;
  padding: 12px 16px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 16px rgba(7, 193, 96, 0.4);
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.2s ease;
}
.wechat-float:hover { transform: translateY(-2px); }
.wechat-float svg { width: 20px; height: 20px; }

@media (min-width: 1024px) {
  .wechat-float { display: none; } /* Use header CTA on desktop */
}

/* ===== Promotional Accents (Red/Gold for China) ===== */
.promo-badge {
  background: linear-gradient(135deg, #C9A227 0%, #D4622A 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ===== Pricing Psychology ===== */
.price-cny {
  color: #2D5016;
  font-weight: 800;
}
/* Optional: subtle highlight for lucky number 8 */
.price-cny[data-lucky="true"] {
  text-shadow: 0 0 8px rgba(201, 162, 39, 0.3);
}

/* ===== Dark Mode (OLED Mobile Optimization) ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-neutral-dark: #F5F5F5;
    --color-neutral-light: #0A0A0A;
  }
  body { background: #050505; color: #f5f5f5; }
  .site-header, .package-card, .feature-card, .modal-content { background: #141414; }
  .main-nav a { color: #f5f5f5; }
  .price-cny { color: #4ADE80; }
  .feature-card { border: 1px solid #2a2a2a; }
}

/* ===== Print Optimization ===== */
@media print {
  .no-print, .wechat-cta, .wechat-float, .lang-switcher { display: none !important; }
  body { font-size: 12pt; line-height: 1.5; }
  a { text-decoration: underline; }
}