@media (max-width: 1200px) {
}

/* @media (max-width: 768px) {
} */

@media (max-width: 780px) {
  header,
  .contact_column,
  .contact_column .contact_column_box,
  .email,
  .bot_nav,
  .bot_nav .bot_nav_box,
  .footer_bottm {
    width: 100%;
    /* max-width: 400px; */
  }

  header .lang_btn {
    display: flex;
    justify-content: end;
    margin-top: 10px;
  }

  header .top_span {
    flex-direction: column;
  }

  header .logo_box .logo {
    width: 50%;
    display: flex;
    flex-direction: row;
  }

  header .logo_box .logo .img {
    width: 35%;
  }
  header .logo_box .logo .img img {
    width: 100%;
  }

  header .logo_box .logo p {
    width: 70%;
    display: flex;
    align-items: center;
    text-align: left;
  }

  header .logo_box .logo p {
    flex: 1;
    text-align: left;
    font-size: 21px;
    margin-left: 5px;
  }

  .email .email_box {
    width: 100%;
  }

  .email .email_box .content a {
    font-size: 15px;
  }

  header .contact {
    display: none;
  }

  header .nav {
    display: none;
  }

  .line {
    /* display: none; */
  }

  header .logo_box .phone_btn {
    display: flex;
  }

  .contact_column {
    height: auto;
    background: none;
    background-color: #1e68af;
    padding: 30px 0;
  }

  .contact_column .contact_column_box {
    flex-direction: column;
    width: 100%;
  }

  .contact_column .contact_column_box .title h1 {
    font-size: 40px;
    margin-bottom: 20px;
  }

  .contact_column .contact_column_box .title,
  .contact_column .contact_column_box .phone_box {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .email .email_box {
    flex-direction: column;
  }

  .email .email_box .title svg {
    width: 70px;
    height: 70px;
  }

  .email .email_box .title {
    margin-bottom: 20px;
  }

  .email .email_box .title,
  .email .email_box .content {
    width: 100%;
    text-align: center;
  }

  .bot_nav .bot_nav_box {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .bot_nav .bot_nav_box a {
    margin-bottom: 30px;
    border-bottom: 1px solid #575757;
  }

  .bot_nav .bot_nav_box a:last-child {
    margin-bottom: 0;
  }

  .introduce {
    width: 100%;
    flex-direction: column;
    align-items: center;
  }

  .introduce .right .item {
    width: 100%;
  }

  .introduce .introduce_box {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    /* justify-content: space-between; */
    margin-top: 30px;
  }

  .introduce .left,
  .introduce .center,
  .introduce .right {
    width: 100%;
    border: 0;
    border-bottom: 1px solid #575757;
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}