/* 一次性交易大师 · 霓虹夜市档案夹视觉方向 */
/* 主色: #0a1020 #14213d #ff7a59 #ffd166 #72f1b8 #f6f1e9 */
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background: #f6f1e9;
  color: #14213d;
}
.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(255, 209, 102, 0.25), transparent 24%),
    radial-gradient(circle at 82% 16%, rgba(114, 241, 184, 0.16), transparent 22%),
    radial-gradient(circle at 74% 74%, rgba(255, 122, 89, 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: #ffd166;
  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: #ffd166; }
.btn-primary {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffd166 0%, #ff9d5c 50%, #ff7a59 100%);
  color: #0a1020;
  font-weight: 900;
  border: 2px solid rgba(255, 209, 102, 0.65);
  box-shadow: 0 18px 42px -20px rgba(255, 122, 89, 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(255,209,102,0.7);
  color: #ffd166;
}
.paper-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(249,242,231,0.96));
  border: 1px solid rgba(20, 33, 61, 0.08);
  box-shadow: 0 20px 44px -28px rgba(20, 33, 61, 0.24);
}
.story-panel {
  background: linear-gradient(180deg, rgba(12, 19, 36, 0.96), rgba(20, 33, 61, 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(255, 209, 102, 0.14);
  color: #ffd166;
  border: 1px solid rgba(255, 209, 102, 0.24);
}
.light-band {
  background: linear-gradient(90deg, rgba(255,122,89,0.15), rgba(114,241,184,0.12));
}
.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(20, 33, 61, 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(10, 16, 32, 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(10, 16, 32, 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(20,33,61,0.1);
}
[data-gallery-filter].is-active {
  background: #14213d;
  color: #fff;
  border-color: #14213d;
  font-weight: 900;
}
table.toc-table th, table.toc-table td {
  border: 1px solid rgba(255, 209, 102, 0.42);
  padding: .7rem .8rem;
}
table.toc-table thead th {
  background: #14213d;
  color: #f6f1e9;
  text-align: left;
  font-weight: 900;
}
table.toc-table tbody tr:nth-child(even) { background: rgba(255, 209, 102, 0.08); }
.toc a {
  border-left: 2px solid rgba(255, 209, 102, 0.45);
  transition: color .2s ease, border-color .2s ease;
}
.toc a.active {
  color: #ff7a59;
  border-color: #ff7a59;
}
@keyframes shine {
  0% { transform: translateX(-120%) skewX(-20deg); }
  100% { transform: translateX(220%) skewX(-20deg); }
}