.main .left-menu {
  width: 2rem;
}
.main .left-menu li {
  height: .5rem;
  line-height: .5rem;
  font-size: .16rem;
  cursor: pointer;
}
.main .main-content {
  min-height: 5rem;
  padding: .2rem;
  font-size: .16rem;
}