body{
  background-color: #9A0719;
}
.index_bg{
  width: 7.5rem;
  margin: 0 auto;
}
.index_content{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.index_swiper{
  width: 5.58rem;
  height: 7.65rem;
  margin: 0 auto;
  margin-top: 5.3rem;
}
.swiper-wrapper .swiper-slide a:nth-child(10){
  grid-area: btn;
}
.index_swiper .swiper-slide{
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  display: grid;
  grid:  'auto auto auto'
         'auto auto auto'
         'auto auto auto'
         'btn btn btn';
  gap: 0.2rem;
  padding: 0.2rem;
}

.index_swiper .swiper-slide a{
  display: block;
  padding: 0;
}
.index_swiper .swiper-slide a img{
  width: 100%;
  height: auto;
  display: block;
}