.stage {
  width: 320px;
  height: 630px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.stage .content {
  position: absolute;
  top: 0;
  width: 320px;
  height: 630px;
  background: #31558A;
  transition: all 0.5s;
}
.stage .content .title {
  width: 100%;
  height: 75px;
  background: #385E97;
  position: relative;
}
.stage .content .title .btn {
  width: 30px;
  height: 30px;
  position: absolute;
  top: 50%;
  left: 20px;
  margin-top: -25px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-content: space-around;
}
.stage .content .title .btn .x {
  width: 26px;
  height: 3px;
  background: white;
  transition: all .1s;
}
.stage .content .title .btn .y {
  width: 26px;
  height: 3px;
  background: white;
}
.stage .content .title .btn .z {
  width: 26px;
  height: 3px;
  background: white;
  transition: all .1s;
}
.stage .content .title .btn .up {
  transform: translateY(8px) rotateZ(50deg);
}
.stage .content .title .btn .down {
  transform: translateY(-8px) rotateZ(-50deg);
}
.stage .content .list {
  margin-top: 35px;
}
.stage .content .list .item {
  width: 100%;
  height: 115px;
  background: 31558A;
  position: relative;
  margin-bottom: 10px;
}
.stage .content .list .item .img {
  width: 70px;
  height: 70px;
  background: #214273;
  position: absolute;
  top: 50%;
  left: 20px;
  margin-top: -40px;
  border-radius: 5px;
}
.stage .content .list .item .text {
  width: 180px;
  height: 70px;
  position: absolute;
  top: 50%;
  right: 20px;
  margin-top: -40px;
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
}
.stage .content .list .item .text span {
  display: inline-block;
  width: 180px;
  height: 10px;
  background: #214273;
  border-radius: 3px;
}
.stage .content .list .item .text :nth-last-child(1) {
  width: 70px;
}
.stage .menu {
  width: 320px;
  height: 568px;
  position: relative;
  top: -30px;
  left: -250px;
  transition: all 0.5s;
}
.stage .menu img {
  position: absolute;
  left: 50px;
  padding: 0;
  margin: 0;
  opacity: 0.3;
}
.stage .menu ul {
  position: absolute;
  list-style: none;
  margin-top: 110px;
  padding: 0;
  display: block;
}
.stage .menu ul li {
  width: 320px;
  margin-top: 60px;
  text-align: left;
  padding-left: 100px;
  font-size: 23px;
}
.stage .menu ul li a {
  text-decoration: none;
  color: white;
}
.animates {
  transform: translateX(200px);
}
.stage::before {
  content: '1';
  width: 500px;
  height: 700px;
  background: black;
  position: absolute;
  top: -20px;
  left: -200px;
}