.landing {
  width: 100%;
  background: #fff;
  position: relative;
}
.landing_img {
  width: 100%;
}

.landing_btn {
  width: 80%;
  position: fixed;
  bottom: 50px;
  left: 0;
  right: 0;
  margin: 0 auto;
  animation-name: scaleDraw;
  /*关键帧名称*/
  animation-timing-function: ease-in-out;
  /*动画的速度曲线*/
  animation-iteration-count: infinite;
  /*动画播放的次数*/
  animation-duration: 3s;
}

@keyframes scaleDraw {
  /*定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称*/
  0% {
    transform: scale(1);
    /*开始为原始大小*/
  }

  25% {
    transform: scale(1.1);
    /*放大1.1倍*/
  }

  50% {
    transform: scale(1);
  }

  75% {
    transform: scale(1.1);
  }
}
.landing_name {
  text-align: center;
  font-size: 14px;
  padding-bottom: 20px;
}
.app_name {
  text-align: center;
  font-size: 18px;
  padding-bottom: 20px;
  font-weight: 600;
}
.landing_info {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: none;
  flex-direction: column;
  padding: 6px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.2);
  color: white;
  font-size: 14px;
}
.landing_info a {
  color: white;
}
.el-overlay {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
}
.el-drawer {
  align-self: flex-end;
}
.el-drawer__header {
  display: flex;
  width: 100vw;
  justify-content: space-between;
  height: max-content;
  background-color: white;
}
.el-drawer__body {
  width: 100vw;
}
body,
html {
  margin: 0;
  padding: 0;
}