* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
a {
    text-decoration: none;
    color: #666;
}
i {
    font-style: normal;
}
.fw {
    font-weight: 700;
}

.container {
    width: 100%;
    min-width: 320px;
    margin: 0 auto;
  }
  .container .header_logo {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-size: 0.4rem;
    background-color: #fff;
    z-index: 999;
    padding: 0.2rem 0.3rem;
    /* ONE */
  }
  .container .header_logo img {
    width: 3.25rem;
    margin-right: 0.3rem;
  }
  .container .header_logo .hamburger .line {
    width: 25px;
    height: 3px;
    background-color: #ccc;
    display: block;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
  }
  .container .header_logo .hamburger:hover {
    cursor: pointer;
  }
  .container .header_logo #hamburger-1.is-active .line:nth-child(2) {
    opacity: 0;
  }
  .container .header_logo #hamburger-1.is-active .line:nth-child(1) {
    -webkit-transform: translateY(8px) rotate(45deg);
    -ms-transform: translateY(8px) rotate(45deg);
    -o-transform: translateY(8px) rotate(45deg);
    transform: translateY(8px) rotate(45deg);
  }
  .container .header_logo #hamburger-1.is-active .line:nth-child(3) {
    -webkit-transform: translateY(-8px) rotate(-45deg);
    -ms-transform: translateY(-8px) rotate(-45deg);
    -o-transform: translateY(-8px) rotate(-45deg);
    transform: translateY(-8px) rotate(-45deg);
  }
  .container .header_logo .dropdownMenu {
    display: none;
    position: absolute;
    top: 1.4rem;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 0 0.4rem;
  }
  .container .header_logo .dropdownMenu a {
    display: block;
    width: 100%;
    color: #fff;
    text-align: center;
    border-bottom: 1px dashed #fff;
    padding: 0.4rem 0;
  }
  .container .swiper-container {
    width: 100%;
    height: 5rem;
    margin-top: 1.4rem;
  }
  .container .swiper-container .banner {
    width: 100%;
    height: 5rem;
  }
  .container .swiper-container img {
    width: 100%;
    height: 5rem;
  }


  .container .backtop {
    width: 100%;
    text-align: center;
    font-size: 0.4rem;
    margin: 1.6rem 0 2rem;
  }
  .container .backtop a {
    position: relative;
  }
  .container .backtop a::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translate(-50%);
    width: 0;
    border: 0.2rem solid transparent;
    border-bottom-color: #ccc;
  }
  .container .backtop p {
    margin: 0.3rem 0;
  }
  .container .foot {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 99;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #0e4b9c;
    font-size: 0.35rem;
    text-align: center;
  }
  .container .foot a {
    display: block;
    width: 25%;
    color: #fff;
    border-right: 1px solid #fff;
    padding: 0.2rem 0;
  }
  .container .foot a:last-child {
    border-right: 0;
  }
  .container .foot a .iconfont {
    font-size: 0.5rem;
  }

  .navback {
    width: 100%;
    padding: 0.2rem 0.3rem;
    background-color: #f4f4f4;
    color: #666;
    font-size: 0.4rem;
  }
  .navback a {
      color: #666;
  }