.loading-container {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 320px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(49, 108, 114, 0.12) 0, transparent 34%),
    linear-gradient(180deg, #f8fbfb 0%, #ffffff 58%, #f3f7f7 100%);
  color: var(--primary-color);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

.loading-container::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(49, 108, 114, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49, 108, 114, 0.055) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: radial-gradient(circle at center, #000 0, transparent 68%);
  mask-image: radial-gradient(circle at center, #000 0, transparent 68%);
  pointer-events: none;
}

.loading-container::after {
  position: absolute;
  width: 280px;
  height: 280px;
  content: "";
  border: 1px solid rgba(49, 108, 114, 0.14);
  border-radius: 50%;
  opacity: 0.7;
  animation: loadingHalo 2.8s ease-in-out infinite;
  pointer-events: none;
}

.loading-mark {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 118px;
  height: 118px;
  margin-bottom: 28px;
}

.loading-mark::before {
  position: absolute;
  inset: 20px;
  content: "";
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(49, 108, 114, 0.18);
  border-radius: 32px;
  box-shadow:
    0 22px 52px rgba(31, 66, 72, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

.loading-svg {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--primary-color);
  animation: loadingLogoFloat 2.4s ease-in-out infinite;
}

.loading-svg svg {
  display: block;
  width: 100%;
  height: 100%;
}

.loading-spin__container {
  position: absolute;
  inset: 0;
}

.loading-spin {
  position: relative;
  width: 100%;
  height: 100%;
  animation: loadingSpin 1.7s linear infinite;
}

.loading-spin::before,
.loading-spin::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: 50%;
}

.loading-spin::before {
  background: conic-gradient(
    from 72deg,
    transparent 0deg,
    transparent 118deg,
    var(--primary-color) 178deg,
    transparent 238deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
}

.loading-spin::after {
  inset: 12px;
  border: 1px dashed rgba(49, 108, 114, 0.22);
  animation: loadingReverseSpin 4.2s linear infinite;
}

.left-0 {
  left: 8px;
}

.right-0 {
  right: 8px;
}

.top-0 {
  top: 8px;
}

.bottom-0 {
  bottom: 8px;
}

.loading-spin-item {
  position: absolute;
  width: 7px;
  height: 7px;
  background-color: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(49, 108, 114, 0.1);
  animation: loadingPulse 1.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.loading-delay-500 {
  animation-delay: 450ms;
}

.loading-delay-1000 {
  animation-delay: 900ms;
}

.loading-delay-1500 {
  animation-delay: 1350ms;
}

.loading-title {
  position: relative;
  z-index: 1;
  max-width: min(78vw, 520px);
  overflow: hidden;
  color: #263b3e;
  font-size: 26px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.25;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.loading-progress {
  position: relative;
  z-index: 1;
  width: 168px;
  height: 3px;
  margin-top: 22px;
  overflow: hidden;
  background: rgba(38, 59, 62, 0.1);
  border-radius: 999px;
}

.loading-progress::before {
  position: absolute;
  inset: 0;
  width: 42%;
  content: "";
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  border-radius: inherit;
  animation: loadingProgress 1.35s ease-in-out infinite;
}

@keyframes loadingSpin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes loadingReverseSpin {
  from {
    transform: rotate(360deg);
  }

  to {
    transform: rotate(0deg);
  }
}

@keyframes loadingPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.35;
    transform: scale(0.72);
  }
}

@keyframes loadingLogoFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-3px);
  }
}

@keyframes loadingHalo {
  0%,
  100% {
    opacity: 0.62;
    transform: scale(0.94);
  }

  50% {
    opacity: 0.2;
    transform: scale(1.04);
  }
}

@keyframes loadingProgress {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(240%);
  }
}

@media (max-width: 480px) {
  .loading-mark {
    width: 104px;
    height: 104px;
    margin-bottom: 24px;
  }

  .loading-mark::before {
    border-radius: 28px;
  }

  .loading-title {
    max-width: 82vw;
    font-size: 22px;
  }

  .loading-progress {
    width: 142px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-container::after,
  .loading-spin,
  .loading-spin::after,
  .loading-spin-item,
  .loading-svg,
  .loading-progress::before {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }
}