* {
    margin: 0;
    padding: 0;
  }

  body {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    background-color: #6e7cf5;
  }

  .shell {
    z-index: 99;
    width: 330px;
    height: 580px;
    border-radius: 15px;
    /* background-color: #fff6e7; */
    box-shadow: 0 10px 30px #00000085;
    /* 设置上高光和左高光，使其看起来更加逼真 */
    border-top: 1px solid rgba(255, 255, 255, .9);
    border-left: 1px solid rgba(255, 255, 255, .9);
    background: linear-gradient(to right bottom,
        rgba(255, 255, 255, .6),
        rgba(255, 255, 255, .3),
        rgba(255, 255, 255, .2));
    /* 重点：使元素背景模糊化 */
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .cover {

    /* content: ''; */
    /* display: block; */

    background: url(http://cloud.hunger-valley.com/17-9-22/87786461.jpg) center center no-repeat;
    background-size: cover;
    /* filter: blur(5px); */

    width: 280px;
    height: 270px;
    overflow: hidden;
    position: absolute;
    top: 20px;
    border-radius: 5px;
    box-shadow: 0 5px 30px #7d70ecb7;
  }

  .cover img {
    width: 100%;
  }

  .musicbox {
    position: absolute;
    /* left: 50%; */
    top: 380px;
    /* transform: translate(-50%, -50%); */
    font-family: cursive;
    font-size: 16px;
    color: lightskyblue;
    width: 280px;
  }

  .music-panel {
    /* border: 1px solid #76dba3; */
    padding: 20px 20px 5px 20px;
    /* box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.1), 0px 2px 10px 0px rgba(0, 0, 0, 0.05); */
    /* background-color: rgba(255, 255, 255, 0.9); */
  }

  .info {
    position: absolute;
    top: -80px;
    left: 50px;
    text-align: center;
  }

  .info .title {
    font-size: 35px;
    color: rgb(40, 45, 100);
  }

  .info .singer {
    font-size: 20px;
    color: #6e7cf5;
  }

  .musicbox .progress {
    /* top: -10px; */
    width: 280px;
  }
  
  .musicbox .progress .bar {
    height: 6px;
    margin-top: -30px;
    background-color: rgba(0, 0, 0, 0.2);
    cursor: pointer;
  }

  .musicbox .progress .progress-now {
    /* background-color: #ee8a87; */
    background-color: rgb(160, 200, 250);
    height: 6px;
    width: 0;
    position: relative;
  }

  .musicbox .time {
    position: absolute;
    left: 0px;
    }

  .musicbox .duration {
    position: absolute;
    right: 0px;
  }

  .musicbox:after,
  .musicbox .music:after {
    content: '';
    display: block;
    clear: both;
  }

  .musicbox .control {
    margin-top: 20px;
    margin-left: 70px;
    font-size: 22px;
    /* color: #ee8a87; */
    float: left;
  }

  .musicbox .control .fa {
    margin-right: 30px;
    cursor: pointer;
  }

  .musicbox .control .fa.disable {
    opacity: 0.3;
  }



  .musicbox .list {
    list-style: none;
  }

  .musicbox .list>li {
    position: relative;
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-top: none;
    overflow: hidden;
    cursor: pointer;
  }

  .musicbox .list>li:hover {
    background-color: rgba(255, 255, 255, 0.5);
  }

  .musicbox .list>li.playing:before {
    position: absolute;
    top: 0;
    left: 0;
    content: '';
    display: inline-block;
    width: 8px;
    height: 30px;
    background: rgba(255, 255, 255, 0.8);
  }