body {
    width: 100%;
    min-width: 1200px;
    margin-bottom: 66px;
  }
  .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;
  }
  .power_list {
    width: 1200px;
    height: auto;
    margin: 0 auto;
  }
  .power_list .list_title {
    width: 100%;
    height: auto;
    margin-top: 29px;
    display: flex;
  }
  .power_list .list_title p:nth-child(1) {
    width: 4px;
    height: 24px;
    background: #D0000D;
  }
  .power_list .list_title p:nth-child(2) {
    font-size: 24px;
    color: #D0000D;
    font-weight: bold;
    margin-left: 9px;
  }
  .power_list .list_item {
    width: 100%;
    height: auto;
    margin-top: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid #DEDEDE;
  }
  .power_list .list_item p:nth-child(1) {
    color: #333333;
    font-size: 18px;
    font-weight: bold;
  }
  .power_list .list_item p:nth-child(2) {
    color: #666666;
    font-size: 16px;
    font-weight: 400;
    line-height: 30px;
    margin-top: 21px;
  }
  .power_list .list_item p:nth-child(3) {
    color: #999999;
    font-size: 16px;
    font-weight: 400;
    text-align: right;
    margin-top: 18px;
  }