*{padding: 0;margin: 0;}
.container{
  height: 100vh;
  background-color: #FFFFFF;
}
.mui-bar{
 box-shadow: none; 
 background-color: #FFFFFF;
}
.main{
  height: calc(100% - 44px);
  position: relative;
  top: 44px;
  overflow: auto;
}
.items{
  margin-top: 20px;
}
.item{
  width: 90%;
  border-radius: 10px;
  overflow: hidden;
  margin: 0 auto;
  box-shadow: 0 0.08rem 0.3rem 0 rgb(16 111 255 / 10%);
  margin-bottom: 20px;
}
.item img{
  width: 100%;
}
.item>div{
  width: 100%;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
}
.text{
  font-size: 30px;
  font-weight: 700;
}
.explain{
  padding: 5px 10px;
  background-color:#f4f4f4;
  font-size: 12px;
  color: #106fff;
  border-radius: 50px;
}
.mask{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 300;
  background-color: rgba(0,0,0,.5);
}
.f1{
  filter: blur(20px)
}
.explain1{
  position: fixed;
  top: 50%;
  left: 50%;
  width: 90%;
  height: 60%;
  z-index: 301;
  transform: translate(-50%,-50%);
}
.explain-title{
  height: 50px;
  display: flex;
  line-height: 50px;
  text-align: center;
  background-color: #000000;
  color: #FFFFFF;
  border-radius: 10px 10px 0 0;
}
.explain-title span{
  flex: 1;
}
.explain-title span.active{
  color: #001D49;
  background-color: #FFFFFF;
  border-radius: 10px 10px 0 0;
}
.explain-content{
  height: calc(90% - 50px);
  background-color: #FFFFFF;
  text-align: justify;
  padding: 10px;
  overflow: auto;
}
.odds p,.activity p,.back-red p{
  color: #001D49;
}
.btn-group{
  height: 20%;
  text-align: center;
}
.btn-group img{
  height: 50%;
  margin-top: 5%;
}