.phoneheader,
.mobile-container,
.search-floor {
  display: none;
}
@media screen and (min-width: 320px) and (max-width: 1024px) {
  header {
    display: none;
  }
  .phoneheader {
    position: fixed;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 70px;
    background: #fff;
    z-index: 999;
    border-bottom: 1px solid #eee;
    padding: 0 25px;
    box-sizing: border-box;
  }

  .phoneheader .logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 60%;
  }

  .phoneheader .logo img {
    height: 100%;
    display: block;
  }

  .phoneheader .menu img {
    width: 25px;
  }

  .phoneheader .phsearch-btn img {
    width: 25px;
  }

  .mobile-nav .sub {
    display: none;
  }

  .mobile-nav .sub > li > a {
    display: block;
    text-align: left;
    padding-left: 20px;
    font-weight: normal;
  }

  .mobile-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99999;
  }

  .mobile-container .mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: 70%;
    height: 100%;
    background: #fff;
    padding: 50px 6px;
    overflow-y: scroll;
  }

  .mobile-container .mobile-nav img {
    width: 20px;
    position: absolute;
    right: 20px;
    top: 20px;
  }

  .mobile-container .mobile-nav ul li {
    border-bottom: 1px solid #eeeeee;
    line-height: 40px;
    text-align: left;
    padding-left: 30px;
  }

  .mobile-container .mobile-nav ul li a {
    font-size: 17px;
    font-family: Bo;
  }
  .search-floor {
    position: fixed;
    width: 100%;
    top: 70px;
    display: none;
    background-color: #000;
    z-index: 999;
    border-bottom: 1px solid #eee;
  }
  .search-floor .search-box {
    position: relative;
    background-color: #000;
  }
  .search-floor .search-box input {
    width: 100%;
    height: 50px;
    background-color: #fff;
    padding: 0 50px 0 25px;
    border: none;
    outline: none;
    color: #000;
  }
  .search-floor .search-box .search-btn {
    position: absolute;
    right: 0;
    top: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  .search-floor .search-box .search-btn img {
    width: 40%;
    display: block;
    filter: brightness(0);
  }
  .index_1 {
    margin-top: 70px;
    height: auto;
    padding: 20px;
    width: 100%;
    box-sizing: border-box;
    display: block;
  }
  .index_1 .index_ab {
    padding: 0;
  }
  .index_1 h2 {
    position: static;
    margin-bottom: 10px;
    margin-right: 0;
  }
  .index_1 h2 span {
    font-size: 32px;
  }
  .index_2 ul li i {
    margin: 10px;
  }
  .index_3 {
    height: auto;
    padding: 20px;
    box-sizing: border-box;
  }
  .index_3 h2 {
    position: static;
  }
  .index_3 ul {
    padding: 0;
  }
  .index_3 ul li {
    float: unset;
  }
  .lanmu {
    margin-top: 80px;
  }
  .about .about_left {
    float: unset;
  }
  .about .about_right {
    float: unset;
    width: 100%;
  }
  .lanmu h2 {
    width: 100%;
    text-align: center;
  }
  .about .about_right .about_pic ul li img {
    height: 60px;
  }
}