/* ─── Hero Canvas Particles (P0-5) ───────────────────────
   升级: 12个CSS圆点 → Canvas 50+粒子系统
   色系: Mint #62E3A7 / Navy #0A1424 / Sky #38BDF8
   缓慢浮动, 呼吸透明度, 连接线
   ──────────────────────────────────────────────────── */

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.hero-particles canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* 旧版粒子 (保留兼容, 被Canvas替代后隐藏) */
.hero-particle {
  display: none;
}

/* 旧版keyframes保留向后兼容 */
@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) scale(0.8); }
  50% { transform: translate(8px, -16px) scale(1.0); }
}

@keyframes particleBreathe {
  0%, 100% { opacity: 0.12; }
  50% { opacity: 0.45; }
}