/* 外层 */
.layout{
     max-width: 750px;
  min-width: 320px;
    margin: 0 auto;
    /* padding-top: 2.08rem 104/50; */
    position: relative;
    height:28.22rem /* 1411/50 */;
    /* background-color:pink; */
  }
  /* 图片背景 */
.bj{
  background-image: url(../images/1.jpg);
  width: 100%;
  background-position: center;
  background-repeat: repeat-x;
  background-size: cover;
  /* background-color: #ced4da; */
  height:28.22rem /* 1411/50 */;
  position: relative;
}
/* x号 */
.esc{
  width: 2.4rem /* 120/50 */;
  height:2.4rem /* 120/50 */;
  /* background-color: red; */
}
  
/* 暴走 */
.ballistic{
  width: 3.6rem /* 180/50 */;
  height:16rem /* 800/50 */;
  /* background-color: brown; */
  border-radius:2rem /* 100/50 */;
  margin-top:4.4rem /* 220/50 */;
  margin-left: .4rem /* 20/50 */;
}
.ballistic a{
  width: 3.6rem /* 180/50 */;
  height:16rem /* 800/50 */;
  /* background-color: pink; */
  display: block;
}