:root {
  --chunyu-surface-white: #ffffff;
  --chunyu-surface-neutral: #f3f3f0;
  --chunyu-surface-black: #0a0a0a;
  --chunyu-surface-overlay: rgb(10 10 10 / 88%);
  --chunyu-text: #151515;
  --chunyu-text-muted: #575757;
  --chunyu-text-inverse: #ffffff;
  --chunyu-border: rgb(21 21 21 / 20%);
  --chunyu-border-inverse: rgb(255 255 255 / 35%);
  --chunyu-font-sans: Arial, Helvetica, sans-serif;
  --chunyu-font-serif: Georgia, Times, serif;
  --chunyu-space-2xs: 0.5rem;
  --chunyu-space-xs: 0.75rem;
  --chunyu-space-sm: 1rem;
  --chunyu-space-md: 1.5rem;
  --chunyu-space-lg: clamp(2rem, 4vw, 4rem);
  --chunyu-space-xl: clamp(4rem, 8vw, 8rem);
  --chunyu-shell: min(100% - 2.5rem, 86rem);
  --chunyu-header-height: 5.5rem;
  --chunyu-radius: 0;
  --chunyu-shadow: 0 1rem 2.5rem rgb(0 0 0 / 18%);
  --chunyu-transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--chunyu-surface-white);
  color: var(--chunyu-text);
  font-family: var(--chunyu-font-sans);
  line-height: 1.5;
}

body.chunyu-navigation-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

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

button {
  font: inherit;
}

img,
picture,
video {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 0.1875rem solid currentcolor;
  outline-offset: 0.25rem;
}

.chunyu-skip-link,
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chunyu-skip-link:focus {
  z-index: 100;
  top: var(--chunyu-space-sm);
  left: var(--chunyu-space-sm);
  width: auto;
  height: auto;
  padding: var(--chunyu-space-xs) var(--chunyu-space-sm);
  clip: auto;
  background: var(--chunyu-surface-white);
  color: var(--chunyu-text);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}