/* ============================================
   css/particles.css
   Mucha Exhibition v7.1.17 OSS (v6 起源 + v7.1.x 暗色/优化增量)
   ============================================ */

/* ===================== 鎏金全局粒子 ===================== */
#gold-rain{position:fixed;inset:0;pointer-events:none;z-index:40;overflow:hidden}
.gold-particle{position:absolute;width:8px;height:8px;pointer-events:none;
  background:radial-gradient(circle,var(--gold-bright) 0%,var(--gold) 60%,transparent 100%);
  border-radius:50%;filter:drop-shadow(0 0 6px rgba(var(--gold-rgb), 0.6));
  animation:goldFall linear infinite;will-change:transform;
}
@keyframes goldFall{
  0%{transform:translateY(-10vh) translateX(0) rotate(0);opacity:0}
  10%{opacity:1}
  90%{opacity:0.8}
  100%{transform:translateY(110vh) translateX(30px) rotate(720deg);opacity:0}
}