.youtube .banner {
    position: relative;
    max-height: 300px;
    overflow: hidden;
    text-align: center;
    display: -webkit-flex;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
  }
  .youtube .banner img {
    width: 100%;
    vertical-align: middle;
  }
  .youtube .banner .search {
    position: absolute;
    top: 40%;
    width: 100%;
    color: #fff;
  }
  .youtube .banner .search h1 {
    font-size: 40px;
  }
  .youtube .banner .search p {
    font-size: 18px;
  }
  .youtube .mw {
    padding: 40px;
  }
  .youtube .title {
    padding: 20px 10px;
  }
  .youtube .title h2 {
    text-align: center;
  }
  .youtube .mainBox {
    max-width: 773px;
    margin: auto;
  }
  .youtube .ytb {
    /* margin-top: 50px; */
    padding: 0 20px;
  }
  .youtube .ytb .ytbv {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    background: #f5f5f5;
  }
  .youtube .ytb .ytbv iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  .youtube .ytb .ytbt {
    padding: 9px 0 8px;
    font-weight: bold;
    text-align: center;
    background: #a6c1c0;
  }
  
  @media screen and (max-width: 768px) {
    .contact .banner {
      max-height: 240px;
    }
    .contact .mw {
      padding: 10px;
    }
  }
  @media screen and (max-width: 500px) {
    .contact .banner .search {
      top: 3vw;
    }
    .contact .banner .search h1 {
      font-size: 7vw;
    }
    .contact .banner .search input {
      height: 10vw;
      margin: 3vw 0;
    }
    .contact .banner .search button {
      height: 11vw;
    }
    .contact .cInfo {
      padding: 0;
    }
    .contact .cInfo li .iBox {
      flex-direction: column;
    }
  }