* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  word-break: break-all;
}
body,
html,
#app {
  width: 100%;
  height: max-content;
}
#app {
  position: fixed;
  top: 0;
  left: 0;
}
body {
  margin: 0;
  padding: 0;
  text-align: center;
  font-family: "Microsoft YaHei", ans-serif, "Microsoft Sans Serif",
    "Microsoft JhengHei UI";
  user-select: none;
  -webkit-text-size-adjust: 100% !important;
  -moz-text-size-adjust: 100% !important;
  text-size-adjust: 100% !important;
  overflow: hidden;
  touch-action: none;
}

a {
  text-decoration: none;
}
button,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
  user-select: auto;
  -webkit-user-select: auto;
}
button,
input {
  border: 0;
  font-family: "Microsoft YaHei", ans-serif, "Microsoft Sans Serif",
    "Microsoft JhengHei UI";
}
a:active,
a:hover,
button:active,
button:focus,
input:active,
input:focus {
  outline: 0;
}
span {
  display: inline;
}
h1 {
  font-size: inherit;
}
img {
  border: none;
  outline: none;
  pointer-events: none;
  -webkit-pointer-events: none;
  -ms-pointer-events: none;
  -moz-pointer-events: none;
}
.y-flex {
  display: flex;
}
.prohibit {
  pointer-events: none;
  filter: grayscale(100%);
}
div {
  background-size: 100% auto;
  background-repeat: no-repeat;
}
.red {
  color: red;
}
.y-pr {
  position: relative;
}
.y-ab {
  position: absolute;
}
.y-flex {
  display: flex;
}
.y-row-between {
  justify-content: space-between;
}
.y-row-center {
  justify-content: center;
}
.y-col-center {
  align-items: center;
}
.y-row-around {
  justify-content: space-around;
}
.y-pe {
  pointer-events: none;
}
.y-peAll {
  pointer-events: all;
}

.y-ma {
  margin: 0 auto;
}

* > img {
  max-width: 100%;
}