:root {
  --font-sans-ui: "Space Grotesk", "Inter", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-sans-reading: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --text-strong: #f3f4f6;
  --text-primary: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --font-size-caption: 12px;
  --font-size-ui: 14px;
  --font-size-body: 15px;
  --font-size-body-lg: 16px;
  --line-height-tight: 1.5;
  --line-height-body: 1.75;
  --line-height-reading: 1.9;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.type-caption {
  font-size: var(--font-size-caption);
  line-height: 1.5;
  color: var(--text-faint);
}

.type-ui {
  font-size: var(--font-size-ui);
  line-height: var(--line-height-tight);
}

.type-body {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

.type-reading {
  font-family: var(--font-sans-reading);
  font-size: var(--font-size-body);
  line-height: var(--line-height-reading);
  letter-spacing: 0.01em;
}

.type-reading-lg {
  font-family: var(--font-sans-reading);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-reading);
  letter-spacing: 0.01em;
}

.legal-document {
  font-family: var(--font-sans-reading);
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
}

.page-title-chip {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  height: 2.25rem;
  padding: 0 0.75rem;
  max-width: min(12rem, 55vw);
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgb(22 22 26 / 0.8);
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 640px) {
  .page-title-chip {
    max-width: 20rem;
  }
}

@media (max-width: 640px) {
  .type-reading,
  .type-reading-lg,
  .legal-document {
    font-size: 14px;
  }
}