* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
}

body {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

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

button {
  position: relative;
  overflow: hidden;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: default;
}

button,
summary,
select,
input,
textarea {
  transition:
    border-color var(--motion-fast),
    background-color var(--motion-fast),
    box-shadow var(--motion-fast),
    color var(--motion-fast),
    opacity var(--motion-fast),
    transform var(--motion-fast);
}

button:focus-visible,
summary:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(34, 34, 34, 0.18);
  outline-offset: 2px;
}

.motion-ripple {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(34, 34, 34, 0.16) 0%, rgba(34, 34, 34, 0.08) 42%, rgba(34, 34, 34, 0) 72%);
  transform: scale(0);
  animation: motion-ripple var(--motion-spring) both;
}

.motion-press {
  animation: motion-press var(--motion-fast) both;
}

@keyframes motion-ripple {
  from {
    opacity: 0.9;
    transform: scale(0);
  }

  to {
    opacity: 0;
    transform: scale(1);
  }
}

@keyframes motion-press {
  0% {
    scale: 1;
  }

  45% {
    scale: 0.965;
  }

  100% {
    scale: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}