html,
body {
  width: 7680px;
  height: 2130px;
  font-size: 20px;
  color: #fff;
  font-family: 'Microsoft YaHei', 'Helvetica Neue', Helvetica, 'PingFang SC',
    'Hiragino Sans GB', Arial, sans-serif;
  overflow-y: hidden;
}
*,
*:before,
*:after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  cursor: pointer;
}
[v-cloak] {
  display: none;
}
#app {
  background: url('../images/page-bg.png') center center no-repeat;
  background-size: 100% 100%;
  padding-top: 10px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  color: #fff;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
#app>div{
  width: 100%;
  height: 100%;
}