.cover-wrapper{
  position: absolute;
  z-index: 200;
  width: 100%;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: #989898;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  .cover-map{
      width: 100%;
      height: 100%;
      position: fixed;
      top: 0;
      left: 0;
      z-index: -1;
      & > div{
          filter: blur(5px);
      }
  }
  .cover-content{
      position: absolute;
      top: 50%;
      margin-top: -167px;
      text-align: center;
      width: 100%;
  }

  .cover-icon{
      width: 150px;
      height: 150px;
      border-radius: 50%;
      overflow: hidden;
      margin:auto;
      box-shadow: 0px 0px 28px -5px #fff;
      padding: 16px;
      background: #fff;
  }
  .cover-icon img{
      width: 100%;
      height: 100%;
  }
  h3{
      text-align: center;
      margin: 30px 0;
      color: #000;
      font-size: 30px;
  }
  .cover-link{
      width: 264px;
      margin: auto;
      a {
          display: inline-block;
          width: 120px;
          height: 35px;
          line-height: 35px;
          font-size: 16px;
          border-radius: 4px;
          text-align: center;
          text-decoration: none;
          margin: 0 5px;
          font-weight: 600;
          color: rgba(255,255,255,0.75);

          &.start {
            background: #2a85ff;
            border: 1px solid #2a85ff;
            box-shadow: 0 0 10px -3px #666;
            transition: box-shadow .8s;
            &:hover{
              color: rgba(255,255,255,1);
              box-shadow: 0 0 29px -3px #666;
              transition: box-shadow .8s;
            }
          }

          &.github{
            border: 1px solid #24292D;
            background: #24292D;
            box-shadow: 0 0 10px -3px #666;
            transition: box-shadow .8s;
            &:hover{
              color: rgba(255,255,255,1);
              box-shadow: 0 0 29px -3px #666;
              transition: box-shadow .8s;
            }
        }
      }
  }
  .slogan{
      text-align: center;
      font-size: 15px;
      margin: 20px 0;
      color: #999;
      font-weight: bold;
  }
}