* {
    box-sizing: border-box;
  }
  
  html,
  body {
    width: 100%;
    height: 100%;
    position: relative;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
  
  button,
  html,
  input,
  textarea,
  pre {
    font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI,
      Microsoft YaHei, Arial, sans-serif;
    outline: 0;
  }
  
  body {
    font-family: Microsoft YaHei, Arial, Helvetica, sans-serif;
  }
  
  a,
  abbr,
  acronym,
  address,
  applet,
  article,
  aside,
  audio,
  b,
  big,
  blockquote,
  body,
  canvas,
  caption,
  center,
  cite,
  code,
  dd,
  del,
  details,
  dfn,
  div,
  dl,
  dt,
  em,
  embed,
  fieldset,
  figcaption,
  figure,
  footer,
  form,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  header,
  hgroup,
  html,
  i,
  iframe,
  img,
  ins,
  kbd,
  label,
  legend,
  li,
  mark,
  menu,
  nav,
  object,
  ol,
  output,
  p,
  pre,
  q,
  ruby,
  s,
  samp,
  section,
  small,
  span,
  strike,
  strong,
  sub,
  summary,
  sup,
  table,
  tbody,
  td,
  tfoot,
  th,
  thead,
  time,
  tr,
  tt,
  u,
  ul,
  var,
  video {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
  }
  
  article,
  aside,
  details,
  figcaption,
  figure,
  footer,
  header,
  hgroup,
  menu,
  nav,
  section {
    display: block;
  }
  
  button {
    outline: 0;
    border: 0;
  }
  
  a {
    text-decoration: none;
  }
  
  i {
    font-style: normal;
  }
  
  ol,
  ul {
    list-style: none;
  }
  
  li {
    list-style-type: none;
  }
  
  blockquote,
  q {
    quotes: none;
  }
  
  blockquote:after,
  blockquote:before,
  q:after,
  q:before {
    content: "";
    content: none;
  }
  
  .display-none {
    display: none!important;
  }
  
  .display-block {
    display: block!important;
  }