body {
    width: 100%;
    min-width: 1200px;
    margin-bottom: 88px;
  }
  .banner {
    width: 100%;
    height: auto;
  }
  .banner img {
    width: 100%;
    height: 100%;
  }
  .power_nav {
    width: 100%;
    height: 60px;
    background: #FFF5F5;
  }
  .power_nav .nav_box {
    width: 1200px;
    height: 60px;
    margin: 0 auto;
  }
  .power_nav .nav_box p {
    line-height: 60px;
  }
  .power_nav .nav_box p a {
    font-size: 18px;
    color: #666666;
    font-weight: 400;
  }
  .power_nav .nav_box p a:last-child {
    color: #D0000D;
  }
  .power_nav .nav_box p span {
    display: inline-block;
    margin-left: 5px;
    margin-right: 7px;
    font-size: 24px;
  }
  .details_cont {
    width: 1200px;
    height: auto;
    margin: 0 auto;
    margin-top: 39px;
  }
  .details_cont .details_title {
    color: #333333;
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    line-height: 4rem;
  }
  .details_cont .details_time {
    margin-top: 27px;
    color: #666666;
    font-size: 20px;
    font-weight: 400;
    text-align: center;
  }
  .details_cont .details_place {
    margin-top: 17px;
    color: #666666;
    font-size: 20px;
    font-weight: 400;
    text-align: center;
  }
  .details_cont .details_img {
    width: 820px;
    height: 420px;
    border-radius: 6px;
    margin: 0 auto;
    margin-top: 39px;
  }
  .details_cont .details_img img {
    width: 820px;
    height: 420px;
  }
  .details_cont .details_text {
    margin-top: 40px;
    color: #666666;
    font-size: 20px;
    font-weight: 400;
    line-height: 42px;
  }