.plugin_im_head{
    position: fixed;
    top: -30px;
    left: -30px;
    width: 60px;
    height: 60px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    border-radius: 50%;
    box-shadow: 0px 1px 2px rgb(0 0 0 / 36%), 0px 2px 4px rgb(0 0 0 / 36%), 0px 1px 3px rgb(211 211 211 / 50%);
    -webkit-box-shadow: 0px 1px 2px rgb(0 0 0 / 36%), 0px 2px 4px rgb(0 0 0 / 36%), 0px 1px 3px rgb(211 211 211 / 50%);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    z-index: 2147483647;
    transform: translate3d(0,0,0);
}
.plugin_im_logo{
    background-image: url(/static/img/plugin/im/logo@2x.png);
}

.transition {
  -webkit-transition: -webkit-transform 300ms;
  transition: transform 300ms;
}