* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 10px;
  padding: 0 20px;
  position: relative;
}

header .top_span {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding-top: 10px;
}

header .lang_btn a {
  margin-left: 15px;
  cursor: pointer;
  text-decoration: none;
  color: black;
}

header .lang_btn a:hover {
  color: #575757;
  transition: all 0.2s;
}

header .logo_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 20px;
}

header .logo_box .logo {
  width: 50%;
  display: flex;
  flex-direction: column;
  /* justify-content: left; */
  /* align-items: center; */
}

header .logo_box .logo .img {
  width: 30%;
  display: flex;
  justify-content: center;
  align-items: center;
}

header .logo_box .logo p {
  width: 30%;
  text-align: center;
  font-size: 17px;
}

header .logo_box .logo img {
  width: 60%;
}

header .contact {
  width: 50%;
  display: flex;
  justify-content: end;
}

header .contact_box .item {
  display: flex;
  align-items: center;
}

header .contact_box .item svg {
  width: 30px;
  height: 30px;
}

header .contact_box .item {
  margin-top: 5px;
}

header .contact_box .item p,
header .contact_box .item a {
  font-size: 26px;
  font-weight: bold;
  margin-left: 10px;
  text-decoration: none;
  color: black;
}

header .contact .email_box {
  background-color: #1e68af;
  display: flex;
}

header .contact .email_box svg {
  width: 20px;
  height: 20px;
  margin-left: 10px;
}

header .contact a {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 20px;
  color: #fff;
  /* padding-left: 10px; */
  padding-right: 10px;
  cursor: pointer;
  text-decoration: none;
}

header .nav {
  /* margin-top: 20px; */
  display: flex;
  justify-content: center;
  /* border-bottom: 1px solid #ccc; */
  margin-bottom: 10px;
}

header .nav a {
  text-decoration: none;
  color: black;
  font-size: 21px;
  padding: 0 60px;
}

header .phone_nav {
  z-index: 1;
  width: 100%;
  padding: 20px 0;
  background-color: #f3f3f3;
  position: absolute;
  left: 0;
  top: 0;

  display: none;
  flex-direction: column;
  align-items: center;
}
header .phone_nav p {
  padding: 10px 35px;
  width: 100%;
  display: flex;
  justify-content: end;
}
header .phone_nav p svg {
  width: 20px;
  height: 20px;
}

header .phone_nav a {
  text-decoration: none;
  font-size: 18px;
  color: black;
  font-weight: bold;
  padding: 15px 0;
}

.line {
  width: 100%;
  /* min-width: 1200px; */
  border: 1px solid #b1b1b1;
  margin-bottom: 5px;
}

.contact_column {
  width: 100%;
  /* min-width: 1200px; */
  height: 200px;
  /* 背景照片 */
  background: url("../images/contact_bg.jpg") 50% / cover;
  display: flex;
  align-items: center;
  /* justify-content: space-between; */
}

.contact_column .contact_column_box {
  width: 1200px;
  /* min-width: 1200px; */
  margin: 0 auto;
  display: flex;
  padding: 0 20px;
}

.contact_column .contact_column_box .title {
  width: 50%;
  display: flex;
  align-items: center;
  /* justify-content: center; */
  color: #fff;
  font-size: 30px;
}

.contact_column .contact_column_box .phone_box {
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.contact_column .contact_column_box .phone_box .item {
  display: flex;
  align-items: center;
}

.contact_column .phone_box svg {
  width: 30px;
  height: 30px;
}

.contact_column .phone_box a {
  font-size: 30px;
  font-weight: bold;
  margin-left: 10px;
  text-decoration: none;
  color: #fff;
}

.contact_column .phone_box svg path {
  fill: #fff;
}

.contact_column .phone_box .email_box {
  background-color: #ffffff;
  display: flex;
  align-items: center;

  padding: 5px 10px;
  cursor: pointer;
  margin-top: 5px;
}

.contact_column .phone_box .email_box p,
.contact_column .phone_box .email_box a {
  color: #1e68af;
  font-size: 14px;
}

.contact_column .phone_box .email_box svg {
  width: 15px;
  height: 35px;
  margin-left: 10px;
}

.contact_column .phone_box .email_box svg path {
  fill: #1e68af;
}

header .logo_box .phone_btn {
  width: 50%;
  display: none;
  justify-content: end;
  align-items: center;
}

header .logo_box .phone_btn svg {
  width: 30px;
  height: 30px;
  margin-left: 20px;
}

header .logo_box .phone_btn .phone svg {
  width: 25px;
  height: 25px;
}

header .logo_box .nav_bt svg {
  width: 25px;
  height: 25px;
}

.email {
  width: 100%;
  /* min-width: 1200px; */
  padding: 30px 0;
  background-color: #1e68af;
}

.email .email_box {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
}

.email .email_box .title {
  width: 50%;
  display: flex;
  justify-content: center;
}

.email .email_box .title svg {
  width: 120px;
  height: 120px;
}

.email .email_box .content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* justify-content: space-between; */
  /* margin-top: 10px; */
}

.email .email_box .content a {
  color: #fff;
  text-decoration: none;
  font-size: 30px;
  display: block;
  font-weight: 700;
}

.email .email_box .content a:hover {
  color: #dedede;
}

.email .email_box .content .item:nth-child(2) a {
  margin-top: 10px;
}

.bot_nav {
  width: 100%;
  /* min-width: 1200px; */
  padding: 20px 0;
  background-color: #f3f3f3;
  margin-top: 30px;
}

.bot_nav .bot_nav_box {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
}

.bot_nav .bot_nav_box a {
  text-decoration: none;
  color: black;
  margin-right: 20px;
  font-size: 18px;
}

.bot_nav .bot_nav_box a:hover {
  border-bottom: 2px solid #575757;
}

.introduce {
  width: 100%;
  margin: 0 auto;
}

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

.introduce .left {
  width: 33%;
  display: flex;
  justify-content: center;
  align-items: center;
  border-left: 1px solid #575757;
}

.introduce .left img {
  padding: 10px 20px;
  width: 40%;
}

.introduce .center {
  width: 33%;
  padding: 10px 20px;
  border-left: 1px solid #575757;
}

.introduce .center p {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.introduce .center span {
  font-size: 16px;
  color: #575757;
}

.introduce .right {
  width: 33%;
  padding: 10px 20px;

  border-left: 1px solid #575757;
  border-right: 1px solid #575757;
}

.introduce .right .item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.introduce .right .item .ico {
  margin-right: 5px;
}

.introduce .right .item svg {
  width: 100px;
  height: 50px;
}

.introduce .right .item .phone_text a,
.introduce .right .item .phone_text p {
  font-size: 22px;
  font-weight: bold;
  text-decoration: none;
  color: black;
}

.introduce .right .item .phone_text a:hover {
  color: #575757;
}

.introduce .right .item a {
  text-decoration: none;
  color: black;
}

.footer_bottm {
  width: 100%;
  /* /* min-width: 1200px; */
  color: #fff;
  font-size: 12px;
  background-color: #1e68af;
  padding: 6px 0;
  display: flex;
  justify-content: center;
  margin-top: 30px;
}