body {
  margin: 0;
  overflow: hidden;
}
.init-page {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 22% 18%, rgba(34, 197, 94, 0.2), transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(14, 165, 233, 0.18), transparent 26%),
    linear-gradient(180deg, #f4fbf8 0%, #f7fbff 52%, #ffffff 100%);
}
.snow-loader {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(14, 165, 233, 0.2));
  box-shadow:
    0 18px 40px rgba(15, 118, 110, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  animation: chuhaiwa-loader-float 1.8s ease-in-out infinite;
}

.snow-loader::before,
.snow-loader::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.snow-loader::before {
  inset: 13px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 253, 250, 0.92)),
    url("/pwa-192.png") center / 74% no-repeat;
  box-shadow:
    inset 0 0 0 1px rgba(15, 118, 110, 0.08),
    0 8px 18px rgba(15, 118, 110, 0.12);
}

.snow-loader::after {
  inset: -10px;
  border: 1px solid rgba(15, 118, 110, 0.2);
  animation: chuhaiwa-loader-pulse 1.8s ease-out infinite;
}

@keyframes chuhaiwa-loader-float {
  0% {
    transform: translateY(0) scale(0.98);
  }
  50% {
    transform: translateY(-8px) scale(1);
  }
  100% {
    transform: translateY(0) scale(0.98);
  }
}

@keyframes chuhaiwa-loader-pulse {
  0% {
    opacity: 0.18;
    transform: scale(0.9);
  }
  60% {
    opacity: 0.56;
    transform: scale(1.04);
  }
  100% {
    opacity: 0;
    transform: scale(1.14);
  }
}