body {
  margin: 0;
}

html {
  overflow-x: hidden;
  overflow-y: scroll;
}

#loading-bg {
  position: fixed;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--initial-loader-bg, #fff);
  opacity: 1;
  transition: background-color 0.2s ease;
  pointer-events: auto;
}

#loading-bg.loading-bg--hide {
  background: transparent;
  pointer-events: none;
}

.loading-content {
  position: fixed;
  top: 50vh;
  left: 50vw;
  display: flex;
  align-items: center;
  flex-direction: column;
  color: var(--initial-loader-text-color, #000);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  gap: 10px;
  text-align: center;
  transform: translate(-50%, -58%);
  opacity: 1;
  transition: opacity 0.8s ease 0.08s, transform 0.8s ease 0.08s;
}

#loading-bg.loading-bg--hide .loading-content {
  opacity: 0;
  transform: translate(-50%, -62%);
}

.loading-brand {
  color: var(--initial-loader-color, #3f51b5);
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: 1px;
  white-space: nowrap;
}

.loading-message {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 22px;
  white-space: nowrap;
  animation: loading-text-pulse 1.6s ease-in-out infinite;
}

.loading-sub-message {
  margin: 4px 0 0;
  color: var(--initial-loader-text-color, #000);
  font-size: 13px;
  line-height: 20px;
  white-space: nowrap;
  opacity: 0.72;
}

.loading-dots {
  display: flex;
  gap: 7px;
  margin-top: 8px;
}

.loading-dots span {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--initial-loader-color, #3f51b5);
  border-radius: 50%;
  opacity: 0.35;
  transform: translateY(0);
  animation: loading-dot-bounce 1s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes loading-text-pulse {
  0%,
  100% {
    opacity: 0.7;
  }

  50% {
    opacity: 1;
  }
}

@keyframes loading-dot-bounce {
  0%,
  80%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-7px);
  }
}