* {
    margin: 0;
    padding: 0;
    opacity: 1;
    outline: 0;
    font: inherit;
    vertical-align: baseline;
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
  }

  #trans-tooltip,
  #tip-arrow-bottom,
  #tip-arrow-top {
    display: none;
  }

  [v-cloak] {
    display: none !important;
  }

  :focus {
    outline: none;
  }

  table {
    border-collapse: separate;
    border-spacing: 0;
  }

  caption,
  th,
  td {
    font-weight: normal;
  }

  a,
  img,
  iframe,
  button {
    border: none;
    outline: 0;
  }

  img {
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
  }

  ol,
  ul,
  li {
    list-style: none;
  }

  input,
  textarea,
  select,
  button {
    font-size: 100%;
    font-family: inherit;
    color: #333;
  }

  select {
    margin: inherit;
  }

  abbr,
  article,
  aside,
  audio,
  canvas,
  datalist,
  details,
  dialog,
  figure,
  footer,
  header,
  hgroup,
  mark,
  menu,
  meter,
  nav,
  output,
  progress,
  section,
  time,
  video {
    display: block;
  }

  .clrfix {
    zoom: 1;
  }

  .clrfix:after {
    content: '';
    display: block;
    height: 0;
    clear: both;
  }

  .fl {
    float: left;
  }

  .fr {
    float: right;
  }

  .fn {
    float: none;
  }

  .text-l {
    text-align: left;
  }

  .text-c {
    text-align: center;
  }

  .text-r {
    text-align: right;
  }

  .text-j {
    text-align: justify;
  }

  .ellipsis {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .transition {
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
  }

  body {
    font: 0.28rem/1.5 tahoma, arial, 'Hiragino Sans GB', \5FAE\8F6F\96C5\9ED1, sans-serif;
    color: #333;
  }
.tree-box {
  overflow: hidden;
  position: relative;
}
.tree-box .sky {
  height: 7rem;
  background: linear-gradient(#7dbcff, #e6fbff);
}
.tree-box .sky small {
  position: absolute;
  animation: clouds1 40s linear infinite;
  top: 1.6rem;
  left: -4rem;
  width: 1.4rem;
  height: 1.2rem;
  background: #fff;
  border-radius: 50%;
  opacity: 0.18;
}
.tree-box .sky small em {
  width: 0.8rem;
  height: 0.8rem;
  background: #fff;
  border-radius: 50%;
  left: -0.4rem;
  position: absolute;
  bottom: 0.05rem;
}
.tree-box .sky small i {
  width: 1rem;
  height: 0.8rem;
  background: #fff;
  border-radius: 50%;
  right: -0.5rem;
  position: absolute;
  bottom: 0.1rem;
}
.tree-box .sky span {
  position: absolute;
  top: 4rem;
  left: 8rem;
  animation: clouds2 50s linear infinite;
  width: 1rem;
  height: 0.8rem;
  background: #fff;
  border-radius: 50%;
  opacity: 0.16;
}
.tree-box .sky span em {
  width: 0.6rem;
  height: 0.5rem;
  background: #fff;
  border-radius: 50%;
  left: -0.2rem;
  position: absolute;
  bottom: 0.1rem;
}
.tree-box .sky span i {
  width: 0.8rem;
  height: 0.6rem;
  background: #fff;
  border-radius: 50%;
  right: -0.4rem;
  position: absolute;
  bottom: 0.1rem;
}
.tree-box .desert {
  height: 3rem;
  background: #ffe991;
  position: relative;
}
.tree-box .desert:before {
  content: '';
  position: absolute;
  width: 4rem;
  height: 2rem;
  background: #ffe991;
  border-radius: 50%;
  top: -0.5rem;
  left: -0.4rem;
}
.tree-box .desert:after {
  content: '';
  position: absolute;
  width: 4rem;
  height: 4rem;
  background: #ffe991;
  border-radius: 50%;
  top: -0.8rem;
  right: -1.4rem;
}
.tree-box .desert i {
  position: absolute;
  width: 6rem;
  height: 4rem;
  background: #ffe991;
  border-radius: 50%;
  top: -1rem;
  right: 0.5rem;
}
.tree-box .desert .clrfix {
  position: relative;
  z-index: 2;
  top: 2rem;
  padding: 0 0.4rem;
  font-size: 0.28rem;
  color: #cca70a;
  line-height: 0.4rem;
}
.tree-box .desert .clrfix button {
  color: #cca70a;
  background: #fff;
  padding: 0.04rem 0.1rem;
  margin-left: 0.2rem;
  border-radius: 0.1rem;
}
.tree-box .experience {
  opacity: 0.8;
  position: absolute;
  background: #fff;
  right: 0;
  top: 1rem;
  padding: 0.1rem 0.2rem 0.1rem 0.3rem;
  font-size: 0.28rem;
  color: #00bc00;
  border-radius: 1rem 0 0 1rem;
}
.tree-box .tree {
  bottom: 0;
  position: absolute;
  left: 0;
  right: 0;
}
.tree-box .tree .trunk {
  position: relative;
  bottom: 1.6rem;
  transform-origin: bottom center;
  transform: scale(0.2, 0.2);
  transition: 0.5s;
}
.tree-box .tree .trunk li {
  width: 0;
  height: 0;
  border-right: transparent solid;
  border-bottom: #00bc00 solid;
  border-left: transparent solid;
  border-width: 1.8rem;
  border-top: none;
  margin: -0.6rem auto 0;
}
.tree-box .tree .trunk li:last-child {
  height: 1.8rem;
  width: 0.6rem;
  background: #762e16;
  border: none;
  margin: 0 auto;
}
@keyframes clouds1 {
  0%{
    left:-4rem;
  }
  50%{
    left:9rem;
  }
  100%{
    left:-4rem;
  }
}
@keyframes clouds2 {
  0%{
    left:9rem;
  }
  50%{
    left:-3rem;
  }
  100%{
    left:9rem;
  }
}