body {
  //padding-top: 200px;
}
@media (max-width: 1200px) {
    body {
        /*padding-top: 80px;*/
    }
}
.head_box {
  box-shadow: 0 0 5px 5px #eee;
  //position: fixed;  //头部和中间的图片重合
  left: 0;
  top: 0;
  width: 100%;
  background: #fff;
  z-index: 9;
  margin-bottom:80px;
}
.head_box .content_box {
  background: #000;
  padding: 5px 0;
}
@media (max-width: 1200px) {
    .head_box .content_box {
        padding: 5px 30px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
.head_box .content_box .show_nav_but {
    display: none;
    align-items: center;
    justify-items: center;
    flex-direction: column;
    cursor: pointer;
}
@media (max-width: 1200px) {
    .head_box .content_box .show_nav_but {
        display: flex;
    }
}
.head_box .content_box .show_nav_but i {
    height: 2px;
    width: 20px;
    margin-bottom: 5px;
    background: #99ded2;
}
.head_box .content_box .show_nav_but i:last-child {
    margin-bottom: 0;
}
.head_box .content_box .f_box {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 60%;
  margin: 0 auto;
}
@media (max-width: 1200px) {
    .head_box .content_box .f_box {
        width: auto;
        margin: 0;
    }
}
.head_box .content_box .f_box img {
  width: 40px;
}
.head_box .content_box .f_box .language_box {
  display: flex;
  position: relative;
  margin-left: 20px;
}
.head_box .content_box .f_box .language_box:hover .language {
  opacity: 0;
}
.head_box .content_box .f_box .language_box:hover ul {
  display: block;
}
.head_box .content_box .f_box .language_box .language {
  cursor: pointer;
  color: #99ded2;
}
.head_box .content_box .f_box .language_box ul {
  position: absolute;
  display: none;
}
.head_box .content_box .f_box .language_box ul li {
  cursor: pointer;
  color: #99ded2;
  margin-bottom: 5px;
}
.head_box .nav_box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}
@media (max-width: 1200px) {
    .head_box .nav_box {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 20px;
        background: rgba(0, 0, 0, 0.8);
        left: -100%;
        top: 50px;
        width: 100%;
        height: 100%;
        position: fixed;
        transition: all 0.5s;
        z-index: 9;
    }
}
.head_box .nav_box.show_nav{
    left: 0;
}
.head_box .nav_box .logo_box {
  width: 150px;
}
@media (max-width: 1200px) {
    .head_box .nav_box .logo_box {
       margin-bottom: 20px;
    }
}
.head_box .nav_box .logo_box img {
  width: 100%;
}
.head_box .nav_box .nav {
  padding: 0 30px;
  display: flex;
  align-items: center;
}
@media (max-width: 1200px) {
    .head_box .nav_box .nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 0;
    }
}
.head_box .nav_box .nav .nav_item {
  padding: 0 3rem;
  color: #000;
  font-size: 18px;
}
@media (max-width: 1200px) {
    .head_box .nav_box .nav .nav_item {
        padding: 10px;
        color: #fff;
    }
}
.head_box .nav_box .nav .search {
  display: flex;
  align-items: center;
}
@media (max-width: 1200px) {
    .head_box .nav_box .nav .search {
        padding: 10px;
    }
}
.head_box .nav_box .nav .search.show_input input {
  display: block;
}
.head_box .nav_box .nav .search input {
  border: 1px solid #8c939d;
  outline: none;
  padding: 5px;
  border-radius: 20px;
  margin-right: 10px;
  text-indent: 10px;
  display: none;
}
.head_box .nav_box .nav .search i {
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  color: #99ded2;
}
.head_box .nav_box .login_box .login_but {
  padding: 10px 40px;
  cursor: pointer;
  margin-right: 20px;
  border-radius: 20px;
  background: #91e5d8;
  color: #000;
  font-weight: bold;
  font-size: 14px;
}
.footer_box {
  background: #000;
  padding: 80px 0;
  padding-bottom: 50px;
}
.footer_box .content_box {
  width: 60%;
  margin: 0 auto;
}
@media (max-width: 1200px) {
    .footer_box .content_box {
        width: 90%;
    }
}
.footer_box .content_box .message_box {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.footer_box .content_box .message_box .l_box .logo_box {
  width: 150px;
  margin-bottom: 20px;
}
.footer_box .content_box .message_box .l_box .logo_box img {
  width: 100%;
}
.footer_box .content_box .message_box .l_box .adders_item {
  margin-bottom: 20px;
}
.footer_box .content_box .message_box .l_box .adders_item div {
  color: #cccccc;
  margin-bottom: 4px;
  line-height: 16px;
}
.footer_box .content_box .message_box .r_box .title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #8bf4e0;
}
.footer_box .content_box .message_box .r_box .item {
  display: block;
  color: #cccccc;
  margin-bottom: 8px;
  line-height: 16px;
}
.footer_box .content_box .f_box {
  padding-top: 50px;
  padding-bottom: 20px;
  border-bottom: 1px solid #99ded2;
}
.footer_box .content_box .copyright {
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #99ded2;
}
.footer_box .content_box .copyright > div a {
  margin-left: 20px;
  color: #99ded2;
}