#startup-loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(64, 158, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 42%, #fff 0, #f5faff 52%, #edf6ff 100%);
  background-size: 32px 32px, 32px 32px, auto;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
#startup-loading.startup-loading_hidden {
  visibility: hidden;
  opacity: 0;
}
.startup-loading_content {
  position: relative;
  display: flex;
  width: 320px;
  flex-direction: column;
  align-items: center;
  padding: 44px 48px 36px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 24px 70px rgba(31, 91, 151, 0.14);
  backdrop-filter: blur(18px);
}
.startup-loading_logo-wrap {
  position: relative;
  display: flex;
  width: 96px;
  height: 96px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.startup-loading_logo {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 8px 16px rgba(64, 158, 255, 0.24));
  animation: startup-logo-breathe 1.8s ease-in-out infinite;
}
.startup-loading_orbit {
  position: absolute;
  inset: 5px;
  border: 2px solid transparent;
  border-top-color: #409eff;
  border-right-color: rgba(64, 158, 255, 0.18);
  border-radius: 50%;
  animation: startup-orbit 1.4s linear infinite;
}
.startup-loading_orbit_reverse {
  inset: 14px;
  border-top-color: #25d4d0;
  border-right-color: rgba(37, 212, 208, 0.18);
  animation-duration: 1.8s;
  animation-direction: reverse;
}
.startup-loading_title {
  color: #1f2d3d;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 1px;
}
.startup-loading_desc {
  margin-top: 10px;
  color: #8291a5;
  font-size: 13px;
  letter-spacing: 2px;
}
.startup-loading_progress {
  width: 184px;
  height: 3px;
  margin-top: 28px;
  overflow: hidden;
  border-radius: 3px;
  background: #e7f1fb;
}
.startup-loading_progress span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #25d4d0, #409eff);
  animation: startup-progress 1.5s ease-in-out infinite;
}
.startup-loading_dots {
  display: flex;
  gap: 5px;
  margin-top: 18px;
}
.startup-loading_dots i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #9db2c8;
  animation: startup-dot 1.2s ease-in-out infinite;
}
.startup-loading_dots i:nth-child(2) {
  animation-delay: 0.15s;
}
.startup-loading_dots i:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes startup-orbit {
  to { transform: rotate(360deg); }
}
@keyframes startup-logo-breathe {
  50% { transform: scale(1.08); }
}
@keyframes startup-progress {
  from { transform: translateX(-110%); }
  to { transform: translateX(350%); }
}
@keyframes startup-dot {
  50% {
    transform: translateY(-4px);
    background: #409eff;
  }
}
@media (prefers-reduced-motion: reduce) {
  .startup-loading_logo,
  .startup-loading_orbit,
  .startup-loading_progress span,
  .startup-loading_dots i {
    animation-duration: 3s;
  }
}