:root {
  --dl-pink: #E65A88;
  --dl-orange: #FF8C00;
  --dl-bg: #FAF8F5;
  --dl-white: #FFFFFF;
  --dl-text: #333333;
  --dl-muted: #666666;
  --dl-border: #E8E4DF;
  --dl-tag-bg: #FFF0F4;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', sans-serif;
  background-color: var(--dl-bg);
  color: var(--dl-text);
}

#site-nav {
  transition: box-shadow 0.3s, background 0.3s;
}
#site-nav.nav-scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.97);
}

.btn-download {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dl-pink), #d44a78);
  color: #fff;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-download::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: shimmer 2.5s infinite;
}
.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230,90,136,0.4);
}
@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 200%; }
}

.btn-outline {
  border: 2px solid var(--dl-pink);
  color: var(--dl-pink);
  font-weight: 600;
  transition: all 0.2s;
}
.btn-outline:hover {
  background: var(--dl-pink);
  color: #fff;
}

.tag-pill {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 3px;
  background: var(--dl-tag-bg);
  color: var(--dl-pink);
  border: 1px solid rgba(230,90,136,0.25);
  margin: 0.15rem;
}

.feature-card {
  transition: transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.1);
}

.gallery-thumb {
  transition: transform 0.25s, filter 0.25s;
  cursor: pointer;
}
.gallery-thumb:hover {
  transform: scale(1.03);
  filter: brightness(1.08);
}

.faq-item .faq-panel,
.accordion-item .accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.is-open .faq-icon-plus { display: none; }
.faq-item.is-open .faq-icon-minus { display: inline; }
.faq-item:not(.is-open) .faq-icon-minus { display: none; }

.review-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
}
.review-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}
#lightbox.is-active { display: flex; }
.lightbox-img { max-width: 90vw; max-height: 85vh; object-fit: contain; }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0,0,0,0.6);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.is-active { display: flex; }

.gallery-item.hidden { display: none; }
.gallery-tab.is-active {
  background: var(--dl-pink);
  color: #fff;
}

.hero-overlay {
  background: linear-gradient(135deg, rgba(20,15,25,0.82) 0%, rgba(50,30,40,0.65) 100%);
}

.info-box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  border: 1px solid var(--dl-border);
  background: var(--dl-white);
}

.info-box-cell {
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--dl-border);
  border-bottom: 1px solid var(--dl-border);
}
.info-box-cell:nth-child(odd) { background: #FDFCFB; }

.steam-bar {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, #66c0f4 0%, #66c0f4 93%, #e8e8e8 93%);
}

.timeline-dot::before {
  content: '';
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--dl-pink);
  position: absolute;
  left: -6px; top: 4px;
}