:root {
  --boot-font-sans:
    'PingFang SC', 'Noto Sans SC', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Microsoft YaHei',
    -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --boot-bg: #f5f7fa;
  --boot-surface: #ffffff;
  --boot-text: #172033;
  --boot-text-soft: #66748a;
  --boot-border: #dce3ec;
  --boot-border-soft: #e9eef4;
  --boot-primary: #2563eb;
  --boot-primary-solid: #2563eb;
  --boot-shadow: 0 1px 2px rgba(18, 32, 52, 0.06);
  --boot-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

html[data-v2-theme='dark'] {
  --boot-bg: #0a111a;
  --boot-surface: #111b27;
  --boot-text: #edf2f8;
  --boot-text-soft: #9ba8b9;
  --boot-border: #2a3443;
  --boot-border-soft: #222c39;
  --boot-primary: #4f83f3;
  --boot-primary-solid: #3564c4;
  --boot-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--boot-bg);
  color: var(--boot-text);
  font-family: var(--boot-font-sans);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

.v2-boot {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: 24px;
}

.v2-boot__panel {
  display: grid;
  width: min(100%, 420px);
  justify-items: center;
  gap: 18px;
  padding: 40px 34px;
  border: 1px solid var(--boot-border);
  border-radius: 12px;
  background: var(--boot-surface);
  box-shadow: var(--boot-shadow);
  text-align: center;
}

.v2-boot__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 9px;
  background: var(--boot-primary-solid);
  color: #fff;
  font-weight: 800;
}

.v2-boot__copy strong {
  color: var(--boot-text);
  font-size: 17px;
}

.v2-boot__status {
  margin: 8px 0 0;
  color: var(--boot-text-soft);
  line-height: 1.65;
}

.v2-boot__progress {
  width: 120px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--boot-border-soft);
}

.v2-boot__progress::after {
  display: block;
  width: 45%;
  height: 100%;
  border-radius: inherit;
  animation: v2-boot-progress 1s var(--boot-ease) infinite alternate;
  background: var(--boot-primary);
  content: '';
}

.v2-boot__retry {
  min-height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 6px;
  background: var(--boot-primary);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

@keyframes v2-boot-progress {
  from {
    transform: translateX(-70%);
  }
  to {
    transform: translateX(120%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .v2-boot__progress::after {
    animation: none;
    transform: none;
  }
}