.pc {
    position: fixed;
    width: 100px;
    top: 50%;
    left: 0;
    z-index: 999999999999999999;
    height: 100px;}
    .tp {
        width: 100px;
        height: 100px;}

    .gb {
  text-align: right;}   .ewm {
        overflow: hidden;}

    .ewm li {
        float: left;
        margin-left: 20px;}

    .ewm li p {
        text-align: center;}

    .ewm li img {
        width: 100px;
        height: 100px;
        margin: 0 auto;
        display: block;}