/* ============================================
   CSS Reset & Base Styles
   ============================================ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
  height: 100%;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  user-select: none;
  -webkit-user-select: none;
}

/* 禁止长按菜单 */
img, video, a, button {
  -webkit-touch-callout: none;
}

/* 滚动条隐藏 */
::-webkit-scrollbar {
  display: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

a {
  text-decoration: none;
  color: inherit;

input, textarea {
  border: none;
  outline: none;
  background: none;
  color: inherit;
  font-family: inherit;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
}