/* 异变检查 · 孔雀绿实验室 x 铜色告警视觉方向 | 主色: #061c1f #0f766e #c46a2b #f1efe3 #101820 */
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background: #f1efe3;
  color: #101820;
}
.heading-display {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  letter-spacing: 0;
  font-weight: 900;
}
#siteHeader {
  background: rgba(6, 28, 31, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-link {
  position: relative;
  color: rgba(241,239,227,.82);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: #d5964f;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-link:hover,
.nav-link.active { color: #fff8dc; }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.hero-scrim {
  background:
    linear-gradient(90deg, rgba(6,28,31,.98) 0%, rgba(6,28,31,.9) 42%, rgba(6,28,31,.56) 70%, rgba(6,28,31,.22) 100%),
    linear-gradient(0deg, rgba(6,28,31,.9), transparent 42%);
}
.scan-grid {
  background-image:
    linear-gradient(to right, rgba(241,239,227,.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(241,239,227,.08) 1px, transparent 1px);
  background-size: 42px 42px;
}
.btn-copper {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f2c078 0%, #d5964f 45%, #c46a2b 100%);
  border: 1px solid #f2c078;
  color: #061c1f;
  font-weight: 900;
  box-shadow: 0 18px 38px -18px rgba(196,106,43,.65), inset 0 1px 0 rgba(255,255,255,.45);
  transition: transform .18s ease, filter .2s ease;
}
.btn-copper:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-copper::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 32%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.8), transparent);
  filter: blur(3px);
  animation: shine 2.5s linear infinite;
}
@keyframes shine {
  0% { transform: translateX(-130%) skewX(-18deg); }
  100% { transform: translateX(250%) skewX(-18deg); }
}
.btn-ghost {
  color: #f1efe3;
  background: rgba(241,239,227,.08);
  border: 1px solid rgba(241,239,227,.24);
}
.btn-ghost:hover { background: rgba(241,239,227,.14); }
.panel-dark {
  background: rgba(6,28,31,.78);
  border: 1px solid rgba(241,239,227,.12);
}
.panel-light {
  background: #fbfaf2;
  border: 1px solid #ded9c7;
  box-shadow: 0 18px 42px -30px rgba(6,28,31,.32);
}
.stat-chip {
  background: rgba(241,239,227,.1);
  border: 1px solid rgba(241,239,227,.16);
}
.ribbon {
  background: repeating-linear-gradient(135deg, #0f766e 0 10px, #c46a2b 10px 20px);
}
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }
#mobileMenu { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
#mobileMenu.open { max-height: 520px; }
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 .22s ease; }
.lb-overlay { background: rgba(3, 16, 18, .94); }
.lb-img { max-width: 92vw; max-height: 86vh; object-fit: contain; }
[data-gallery-filter] {
  background: rgba(241,239,227,.08);
  border: 1px solid rgba(241,239,227,.18);
}
[data-gallery-filter].is-active {
  background: #d5964f;
  color: #061c1f;
  border-color: #d5964f;
  font-weight: 900;
}
table.toc-table th,
table.toc-table td { border: 1px solid #ded9c7; padding: .7rem .85rem; }
table.toc-table thead th { background: #061c1f; color: #f2c078; text-align: left; font-weight: 900; }
table.toc-table tbody tr:nth-child(even) { background: #f7f3e8; }
@media (max-width: 1023px) {
  .hero-scrim {
    background: linear-gradient(180deg, rgba(6,28,31,.98), rgba(6,28,31,.88) 64%, rgba(6,28,31,.72));
  }
}
