@media (min-width: 320px) and (max-width: 768px) {
  .header {
    width: 100%;
    box-sizing: border-box;
    z-index: 1001;
    padding: 10px 20px 0;
    position: fixed;
    background-color: #fff;
    box-shadow: 0px 6px 10px #999;
  }
  .header .nav {
    display: none;
  }
  .header .borders {
    padding-bottom: 10px;
  }
  .header .borders .logo {
    width: 50px;
    margin-right: 20px;
  }
  .header .borders .title {
    font-size: 24px;
  }
  .header .borders .more,
  .header .borders .close {
    width: 30px;
  }
  .header .borders .close {
    display: none;
  }
  .header .show {
    padding-bottom: 10px;
    border-top: 1px solid #999;
    display: none;
  }
  .header .show div {
    margin-top: 10px;
    font-size: 20px;
  }
  .header .show div a {
    color: #666;
  }
  .mainTitle {
    text-align: center;
    color: #fff;
    padding-top: 80px;
  }
  .mainTitle h2 {
    padding: 10px 0;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
  .footer {
    margin-bottom: 60px;
    padding: 20px 0;
    color: #fff;
    font-size: 18px;
    text-align: center;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
  .footer :nth-child(2) {
    margin: 6px 0;
  }
}
@media (min-width: 768px) and (max-width: 1200px) {
  .header {
    width: 100%;
    box-sizing: border-box;
    z-index: 1001;
    padding: 10px 20px 0;
    position: fixed;
    background-color: #fff;
    box-shadow: 0px 6px 10px #999;
  }
  .header .nav {
    display: none;
  }
  .header .borders {
    padding-bottom: 10px;
  }
  .header .borders .logo {
    width: 50px;
    margin-right: 20px;
  }
  .header .borders .title {
    font-size: 24px;
  }
  .header .borders .more,
  .header .borders .close {
    width: 30px;
  }
  .header .borders .close {
    display: none;
  }
  .header .show {
    padding-bottom: 10px;
    border-top: 1px solid #999;
    display: none;
  }
  .header .show div {
    margin-top: 10px;
    font-size: 20px;
  }
  .header .show div a {
    color: #666;
  }
  .mainTitle {
    text-align: center;
    color: #fff;
    padding-top: 80px;
  }
  .mainTitle h2 {
    padding: 10px 0;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
  .footer {
    margin-bottom: 80px;
    padding: 20px 0;
    color: #fff;
    font-size: 18px;
    text-align: center;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
  .footer :nth-child(2) {
    margin: 6px 0;
  }
}
@media (min-width: 1200px) {
  .footer {
    margin-bottom: 80px;
    padding: 20px 0;
    color: #fff;
    font-size: 18px;
    text-align: center;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
  .footer :nth-child(2) {
    margin: 6px 0;
  }
  .mainTitle {
    text-align: center;
    color: #fff;
    padding-top: 80px;
  }
  .mainTitle h2 {
    padding: 10px 0;
    background: linear-gradient(to right, #F99A17, #F72C20);
  }
}