/* 淑女都市 · 紫罗兰梦幻视觉方向 */
/* 主色: #1f0b09 背景深色 · #351411 · #dcdc2c accent · #40e74e 金色CTA · #4598d3 辅色 · #f6f5f2 浅底 */
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background: #f6f5f2;
  color: #351411;
}
.heading-display { font-family: 'Noto Sans SC', system-ui, sans-serif; font-weight: 900; letter-spacing: .08em; }
.hero-grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
}
.hero-noise {
  background:
    radial-gradient(circle at 18% 24%, rgba(64,231,78, 0.25), transparent 24%),
    radial-gradient(circle at 82% 16%, rgba(69,152,211, 0.16), transparent 22%),
    radial-gradient(circle at 74% 74%, rgba(220,220,44, 0.20), transparent 30%);
}
.nav-link { position: relative; color: rgba(255,255,255,0.9); }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: #40e74e; transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link:hover, .nav-link.active { color: #40e74e; }
.btn-primary {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #40e74e 0%, #85e98d 50%, #dcdc2c 100%);
  color: #1f0b09; font-weight: 900;
  border: 2px solid rgba(64,231,78, 0.65);
  box-shadow: 0 18px 42px -20px rgba(220,220,44, 0.72), inset 0 1px 0 rgba(255,255,255,0.6);
  transition: transform .18s ease, filter .2s ease;
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn-primary:active { transform: translateY(0); }
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 34%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.86) 48%, transparent 100%);
  filter: blur(4px); animation: shine 2.6s linear infinite;
}
.btn-outline {
  background: rgba(255,255,255,0.12); color: #fff;
  border: 1.5px solid rgba(255,255,255,0.28); backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.18); border-color: rgba(64,231,78,0.7); color: #40e74e; }
.paper-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.96));
  border: 1px solid rgba(53,20,17, 0.08);
  box-shadow: 0 20px 44px -28px rgba(53,20,17, 0.24);
}
.story-panel {
  background: linear-gradient(180deg, rgba(31,11,9, 0.96), rgba(53,20,17, 0.96));
  border: 1px solid rgba(255,255,255,0.08);
}
.stat-chip { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.14); backdrop-filter: blur(10px); }
.tag-chip { background: rgba(64,231,78, 0.14); color: #40e74e; border: 1px solid rgba(64,231,78, 0.24); }
.light-band { background: linear-gradient(90deg, rgba(220,220,44,0.15), rgba(69,152,211,0.12)); }
.review-card, .feature-card, .guide-card { transition: transform .22s ease, box-shadow .22s ease; }
.review-card:hover, .feature-card:hover, .guide-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -24px rgba(53,20,17, 0.26); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .acc-icon { transform: rotate(45deg); }
.acc-icon { transition: transform .25s ease; }
.lb-overlay { background: rgba(31,11,9, 0.94); }
.lb-img { max-height: 86vh; max-width: 92vw; object-fit: contain; }
#mobileMenu { transition: max-height .3s ease; max-height: 0; overflow: hidden; }
#mobileMenu.open { max-height: 520px; }
#siteHeader { background-color: rgba(31,11,9, 0.88) !important; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
[data-gallery-filter] { background: rgba(255,255,255,0.76); border: 1px solid rgba(53,20,17,0.1); }
[data-gallery-filter].is-active { background: #351411; color: #fff; border-color: #351411; font-weight: 900; }
table.toc-table th, table.toc-table td { border: 1px solid rgba(64,231,78, 0.42); padding: .7rem .8rem; }
table.toc-table thead th { background: #351411; color: #f6f5f2; text-align: left; font-weight: 900; }
table.toc-table tbody tr:nth-child(even) { background: rgba(64,231,78, 0.08); }
.toc a { border-left: 2px solid rgba(64,231,78, 0.45); transition: color .2s ease, border-color .2s ease; }
.toc a.active { color: #dcdc2c; border-color: #dcdc2c; }
@keyframes shine { 0% { transform: translateX(-120%) skewX(-20deg); } 100% { transform: translateX(220%) skewX(-20deg); } }