html,
body {
  padding: 0;
  margin: 0;
  /* user-select: none; */
  height: 100%;
  box-sizing: border-box;
  min-height: 900px;
  min-width: 1920px;
  overflow-x: auto;
  /* overflow-y: auto; */
  overflow-y: overlay;
}

a {
  text-decoration: none;
}

#app {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  background: #f5f7fa;
}

/* 项目特殊样式 */
#changeStyle {
  font-size: 35px;
}

#headTitleStyle {
  font-size: 30px;
}