:root {
  color-scheme: light;
  --canvas: #f4f7f8;
  --paper: #ffffff;
  --paper-muted: #f8fafb;
  --ink: #1d2926;
  --ink-soft: #3f4e4b;
  --muted: #6d7a77;
  --muted-light: #94a09e;
  --line: #dce4e4;
  --line-strong: #cbd6d6;
  --brand: #1c5b8f;
  --brand-deep: #164a75;
  --brand-soft: #eaf3fa;
  --success: #197a68;
  --success-soft: #e8f5f1;
  --warning: #a56613;
  --warning-soft: #fff5df;
  --danger: #ae3e45;
  --danger-soft: #fcecee;
  --shadow: 0 16px 48px rgba(26, 47, 56, .12);
  --shadow-soft: 0 2px 10px rgba(26, 47, 56, .05);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-doc: "Songti SC", "STSong", Georgia, serif;
  --ease: 180ms cubic-bezier(.2, .7, .2, 1);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --content-max: 1440px;
}

:root[data-density="comfortable"] {
  --row-min: 68px;
  --section-gap: 32px;
}

:root[data-density="compact"] {
  --row-min: 58px;
  --section-gap: 24px;
}

* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink);
  background: var(--canvas);
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--canvas);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
label {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.icon {
  width: 16px;
  height: 16px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.grow {
  min-width: 0;
}

.skip {
  position: fixed;
  top: -60px;
  left: 12px;
  z-index: 100;
  padding: 9px 12px;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius-sm);
}

.skip:focus {
  top: 12px;
}