.pc_content .open {
    position: absolute;
    display: none;
  }
  .top_line {
    background-color: #f6f6f6;
    height: 56px;
    /* overflow: hidden; */
    line-height: 56px;
  }
  .top_line .login {
    margin-right: 10px;
  }
  .top_line .loginOut {
    color: #7e8c8d;
    cursor: pointer;
  }
  .top_line .toInfomation {
    margin-right: 10px;
  }
  .top_line .toInfomation a{
    color: #000;
    cursor: pointer;
  }
  .top_line .register {
    /* margin: 0 10px; */
  }
  .top_line img {
    height: 20px;
    width: 20px;
    margin-top: 18px;
    margin-right: 10px;
  }
  .top_line .online {
    position: relative;
    margin-right: 36px;
    margin-left: 10px;
  }
  .top_line .online .consultationImg{
    display: none;
    position: absolute;
    top: 38px;
    right: -51px;
    z-index: 999;
    width: 186px;
    height: 246px;
    box-shadow: 0px 0px 6px #00638b;
  }
  .top_line .phone {
    margin-right: 15px;
  }
  .top_line .phone.p2 {
    display: none;
  }
  .pc_content .logo img {
    width: 100%;
  }
  .pc_content .logo .logo_txt {
    position: absolute;
    width: 411px;
    /* height: 70px; */
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
  }
  .m_logo_txt {
    position: absolute;
    width: 60vw !important;
    /* height: 70px; */
    top: 0;
    bottom: 0;
    left: 3vw;
    margin: auto;
  }
  .pc_content .logo {
    position: relative;
    overflow: hidden;
  }
  .pc_content .logo .input {
    position: absolute;
    width: 707px;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    height: 45px;
  }
  .pc_content .logo select {
    height: 100%;
    width: 150px;
    border-radius: 4px;
  }
  .pc_content .logo .input_in {
    /* box-shadow: -3px 1px 9px rgb(206, 203, 203); */
    width: 557px;
    height: 100%;
    float: right;

    box-sizing: border-box;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.1);
    top: -1px;
    border-radius: 4px;
  }
  .pc_content .logo .input_in input {
    /* height: 100%; */
    width: calc(100% - 69px);
    border-color: transparent;
    padding-left: 24px;
    height: 37px;
    /* height: 45px; */
  }
  .form-control {
    border-radius: 0px;
    border-color: #fff;
    box-shadow: none;
  }
  .form-control:focus {
    border-color: transparent;
    outline: 0;
    -webkit-box-shadow: none;
    box-shadow: none;
  }
  .pc_content .logo .input-group-addon {
    border-color: transparent;
    background-color: white;
    height: 100%;
  }
  .pc_content .logo .input-group-addon img {
    width: 22px;
    height: 22px;
  }
  .nav {
    background-color: #00638b;
    border-top: 4px solid #f0844b;
    height: 76px;
    box-sizing: border-box;
  }
  .nav .m1410 > .lr {
    font-size: 22px;
    line-height: 72px;
    width: 120px;
    color: white;
    text-align: center;
    cursor: pointer;
    position: relative;
    text-decoration: none;
    margin: 0 1px 0 0;
  }
  .nav .m1410 > .lr:last-child {
    margin: 0 0px 0 0;
  }
  .nav .m1410 > .lr.active {
    background-color: #f0844b;
  }
  .nav .m1410 > .lr:hover {
    background-color: #f0844b;
  }
  .nav .m1410 .lr a {
    font-size: 18px;
    line-height: 72px;
    width: 120px;
    color: white;
    text-decoration: none;
  }
  .nav .down_icon {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 8px;
    margin: auto;
    width: 16px;
  }
  .nav .list {
    position: absolute;
    bottom: -144px;
    background-color: #00638b;
    right: 0;
    left: 0;
    width: 100%;
    z-index: 2;
    display: none;
  }
  .nav .list div:hover {
    background-color: #f0844b;
  }
  #select {
    background-image: url("../images/index/select_bg.png");
    background-size: 100% 100%;
    border: none;
    outline: none;
    color: white;
    text-align: center;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    letter-spacing: 2px;
  }
  #select option {
    color: black;
  }
  .m_logo_img {
    display: none;
  }
 
  @media (max-width: 1566px) and (min-width: 750px) {
    .pc_content .logo .input {
      width: 42%;
      margin-right: 2px;
    }
    .pc_content .logo .input_in {
      width: calc(100% - 150px);
      height: 100%;
      float: right;
      /* display: flex;
      align-items: center; */
    }
    .logo_txt {
      width: 354px;
    }
    .nav {
      height: 76px;
    }
    .nav .down_icon {
      width: 12px;
    }
    .nav .m1410 > .lr {
      font-size: 17px;
      width: 9%;
      overflow: hidden;
      text-overflow: clip;
      white-space: nowrap;
    }
    .nav .m1410 #expand1 {
      overflow: visible;
    }
    .nav .m1410 .lr a {
      font-size: 17px;
    }
  }
  
  @media (max-width: 750px) {
    .pc_content .open {
      position: absolute;
      display: block;
      right: 30px;
      top: 0;
      bottom: 0;
      margin: auto;
      width: 29px !important;
      height: 23px;
    }
    .nav {
      display: none;
    }
    .pc_content .logo_img {
      display: none;
    }
    .m_logo_img {
      display: block;
    }
    .pc_content .logo .input {
      display: none;
    }
    .top_line .fl {
      float: left;
    }
    .top_line .fr {
      float: right;
    }
    .top_line img {
      margin-right: 4px;
      margin-top: 20px;
      width: 15px;
      height: 15px;
    }
    .top_line .online {
      float: left;
      display: none;
    }
    .top_line .phone {
      display: none;
    }
    .top_line .phone.p2 {
      float: left;
      display: block;
    }
    .top_line {
      height: 54px;
      line-height: 54px;
    }
    .top_line .register {
      margin-right: 12%;
    }
    .top_line .loginOut {
      margin-right: 12%;
      color: #7e8c8d !important;
    }
    .pc_content .logo .input_in {
      width: calc(100% - 150px);
      height: 100%;
      float: right;
    }
    .nav {
      height: 76px;
    }
    .nav .m1410 > .lr {
      font-size: 14px;
      width: 9%;
    }
    .nav .m1410 .lr a {
      font-size: 14px;
    }
    .expand {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      z-index: 999;
      height: 0;
      overflow: hidden;
      transition: all 0.5s;
    }
    .expand ul {
      padding: 10px 0;
      background-color: #00638c;
      margin: 0;
    }
    .expand ul li{
      background-color: #00638c;
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-bottom: 1px solid #fff;
    }
    .expand ul li .lianjie{
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .expand ul li:last-child {
      border-bottom: 0px solid #fff;
    }
    .expand ul li > * {
      font-size: 14px;
      color: white;
    }
    .expand ul li img {
      margin-right: 5px;
      transform: scale(0.8);
    }
}