.bottom {
    position: relative;
    width: 100%;
    height: 442px;
    background: url("../img/hotEvent/bottom-bg.png");
    margin: 0 auto;
  }
  .bottom .bg-cover {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    background-color: rgba(30, 30, 30, 0.7);
  }
  .bottom .bg-cover .bottom-image {
    width: 454px;
    height: 321px;
    margin-right: 70px;
  }
  .bottom .bg-cover .bottom-image img {
    width: 100%;
    height: 100%;
  }
  .bottom .bg-cover .text {
    width: 1000px;
    color: #ffffff;
  }
  .bottom .bg-cover .text .f78 {
    font-size: 78px;
    line-height: 36px;
    text-align: center;
  }
  .bottom .bg-cover .text .f44 {
    font-size: 44px;
    text-align: center;
  }