body{
  background: #f1f1f1;
}
.header{
  height: 1.2rem;
  background: #ffffff;
  position: relative;
  border-bottom: 1px solid #eeeeee;
}
.header .back{
  width: 1.2rem;
  height: 1.2rem;
}
.header .back a{
  display: block;
  width: 1.2rem;
  height: 1.2rem;
  text-align: center;
  line-height: 1.2rem;
  color: #333333;
}
.header h4{
  width: 6rem;
  height: 1.2rem;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  line-height: 1.2rem;
  font-size: .42rem;
  font-weight: 400;
  text-align: center;
}

.item{
  width: 8rem;
  padding: 0 .4rem;
  background: #ffffff;
  border-radius: .4rem;
  margin: .4rem auto;
}
.item .tit{
  height: 1rem;
  line-height: 1rem;
  color: #666666;
}
.item .btns{
  display: flex;
  padding-bottom: .4rem;
  flex-wrap: wrap;
}
.item .btns .btn{
  width: 1.5rem;
  height: 1.5rem;
  /* background: #ccc; */
  margin-right: .6rem;
}
.item .btns .btn:nth-child(4n){
  margin-right: 0;
}
.item .btns .btn a {
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  padding-top: .2rem;
  box-sizing: border-box;
  color: #888888;
}
.item .btns .btn a span{
  font-size: .6rem;
}
.item .btns .btn a p{
  font-size: .3rem;
}