@media screen and (max-width: 800px){
  .pattern {
    width: 100%;
    margin: 0;
  }
  #head_swiper_iframe {
    display: none;
  }
  .header {
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.14);
    background-color: #fff;
    z-index: 50;
    height: 40px;
    box-sizing: border-box;
  }
  .header > .head-nav {
    height: 100%;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
  }
  .header > .head-nav > .logo {
    display: flex;
    align-items: center;
    width: 81px;
    height: 100%;
    overflow: hidden;
  }
  .header > .head-nav > .logo > img {
    height: 70px;
  }
  .header > .head-nav .nav_box {
    display: none;
    position: absolute;
    top: 40px;
    right: 0;
    z-index: 10;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
  }
  .header > .head-nav .nav_box #nav_list {
    position: absolute;
    right: -50%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    width: 50%;
    height: 100%;
    background-color: #fff;
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.1s;
    overflow: auto;
  }
  .header > .head-nav .nav_box #nav_list li[class=ac] {
    border-right: 1px solid #1a53ff;
    background-color: #e6f0ff;
  }
  .header > .head-nav .nav_box #nav_list > li {
    width: 100%;
    box-sizing: border-box;
    margin: 4px 0;
    font-size: 14px;
    transition: all 1s;
  }
  .header > .head-nav .nav_box #nav_list > li > div {
    position: relative;
    display: flex;
    align-items: center;
    padding: 10px 34px 10px 24px;
  }
  .header > .head-nav .nav_box #nav_list > li > div > a {
    display: inline-block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    color: rgb(89, 89, 89);
  }
  .header > .head-nav .nav_box #nav_list > li > div i {
    position: absolute;
    top: 50%;
    right: 25px;
    transition: transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
  .header > .head-nav .nav_box #nav_list > li > div i::before {
    content: "";
    position: absolute;
    width: 6px;
    height: 1.5px;
    background: #fff;
    background: rgba(0, 0, 0, 0.65) \9 ;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65));
    background-image: none \9 ;
    border-radius: 2px;
    transform: rotate(-45deg) translateX(2px);
    transition: background 0.3s cubic-bezier(0.645, 0.045, 0.355, 1), transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1), top 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
  .header > .head-nav .nav_box #nav_list > li > div i::after {
    content: "";
    position: absolute;
    width: 6px;
    height: 1.5px;
    background: #fff;
    background: rgba(0, 0, 0, 0.65) \9 ;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65));
    background-image: none \9 ;
    border-radius: 2px;
    transform: rotate(45deg) translateX(-2px);
    transition: background 0.3s cubic-bezier(0.645, 0.045, 0.355, 1), transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1), top 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  }
  .header > .head-nav .nav_box #nav_list > li > #nav_sub_list {
    display: none;
    width: 100%;
    box-sizing: border-box;
  }
  .header > .head-nav .nav_box #nav_list > li > #nav_sub_list > li {
    width: 100%;
    box-sizing: border-box;
    margin: 4px 0;
    font-size: 14px;
    padding: 10px 34px 10px 48px;
  }
  .header > .head-nav .nav_box #nav_list > li > #nav_sub_list > li a {
    display: inline-block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    color: rgb(89, 89, 89);
  }
  .header > .head-nav .nav_box #nav_list > li .active {
    color: #1a53ff;
  }
  .header > .head-nav .nav_box #nav_list .help_box {
    display: none;
  }
  .header > .head-nav > .login {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }
  .header > .head-nav > .login .select {
    position: relative;
    cursor: pointer;
    font-size: 14px;
  }
  .header > .head-nav > .login .select > .selcet-list {
    display: none;
    position: absolute;
    max-height: 208px;
    top: 30px;
    left: -30px;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0px 0px 10px -2px rgba(0, 0, 0, 0.14);
    box-sizing: border-box;
    overflow: auto;
  }
  .header > .head-nav > .login .select > .selcet-list li:hover {
    background-color: rgb(230, 240, 255);
  }
  .header > .head-nav > .login .select > .selcet-list li {
    display: flex;
    align-items: center;
    height: 42px;
    padding: 10px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.14);
    box-sizing: border-box;
  }
  .header > .head-nav > .login .select > .selcet-list li img {
    flex: 0 0 auto;
    width: 30px;
    height: 20px;
    margin-right: 10px;
  }
  .header > .head-nav > .login .select > .selcet-list li span {
    flex: 0 0 auto;
    font-size: 14px;
  }
  .header > .head-nav > .login .select > .selcet-list li:last-child {
    border-bottom: none;
  }
  .header > .head-nav > .login .select .selcet-frame {
    display: flex;
    align-items: center;
    margin-right: 20px;
  }
  .header > .head-nav > .login .select .selcet-frame .coun-img {
    width: 30px;
    height: 20px;
  }
  .header > .head-nav > .login .select .selcet-frame .lang {
    padding: 0 5px;
    color: #626466;
    font-size: 14px;
  }
  .header > .head-nav > .login .select .selcet-frame .arrow {
    width: 16px;
    height: 16px;
  }
  .header > .head-nav > .login .header_nav {
    width: 17px;
    height: 14px;
  }
  .header > .head-nav > .login > .button {
    display: none;
  }
  .header > .head-nav > .login > .button a {
    display: inline-block;
    padding: 5px 0;
    border: 1px solid #0065ae;
    border-radius: 4px;
    font-size: 14px;
    color: #0065ae;
    text-align: center;
    min-width: 70px;
    white-space: nowrap;
    outline: none;
    cursor: pointer;
  }
  .header > .head-nav > .login > .button .register {
    margin-left: 12px;
    color: #fff;
    background-color: #0065ae;
  }
}