*{
  margin: 0;
  padding: 0;
  list-style: none;
}
.container{

  
  margin: 0 auto;
}
 
/* 轮播图 */
.lbimg li{
  width: 100%;
  height: 100%;
  text-align: center;
  display: none;
  color: #FF6633;
}
.lbimg .on{
  display: block;
}
 
.btn{
  width: 100%;
  height: 50px;
  display: flex;
  background: white;
}
.btn li{
  flex: 1;
  color: #fff;
  font-weight: bold;
  line-height: 50px;
  text-align: center;
  font-family: "楷体";
  cursor: pointer;
   
}
.btn .active{
  background-color: rgba(0,0,0,0.2);
  transition: all ease-in-out 0.25s;
}