.contact_us_main {
  height: 1630px;
  background: url("../image/contact/contact_us_bg.jpg") no-repeat;
}
.contact_us_main .contact_information {
  overflow: hidden;
  margin-bottom: 50px;
}
.contact_us_main .contact_information .contact_title {
  font-size: 36px;
  color: #fff;
  font-weight: 700;
  text-align: center;
  margin: 55px 0 44px;
}
.contact_us_main .contact_information .contact_list {
  display: flex;
  justify-content: space-between;
  padding: 0;
}
.contact_us_main .contact_information .contact_list .contact_list_item {
  width: 270px;
  height: 360px;
  background-color: #fff;
  position: relative;
  cursor: pointer;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item:hover
  .contact_us_itembg {
  transform: rotateY(180deg);
  opacity: 1;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item:hover
  .contact_list_icon {
  display: none;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item:hover
  .contact_list_hover_icon {
  display: block;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item:hover
  .contact_list_content
  .contact_list_textbox {
  top: 125%;
  color: #fff;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_us_itembg {
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: rotateY(0);
  transition: all 0.5s;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content {
  width: 100%;
  position: absolute;
  left: 50%;
  top: 40%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content
  .contact_list_icon {
  width: 100px;
  height: 100px;
  margin: 15px auto 54px;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content
  .contact_list_img {
  width: 100%;
  height: 100%;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content
  .contact_list_textbox {
  color: #000;
  transition: all 0.7s;
  position: absolute;
  left: 50%;
  top: 96%;
  transform: translate(-50%, -50%);
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content
  .contact_list_textbox
  .contact_list_title {
  font-size: 18px;
  margin-bottom: 10px;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_content
  .contact_list_textbox
  .contact_list_text {
  font-size: 12px;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_hover_icon {
  display: none;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_hover_icon
  .contact_list_hover_img {
  width: 70px;
  height: 70px;
  margin-bottom: 40px;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_hover_icon
  .contact_list_hoverbox {
  height: 114px;
  color: #fff;
  line-height: 30px;
  font-size: 18px;
}
.contact_us_main
  .contact_information
  .contact_list
  .contact_list_item
  .contact_list_hover_icon
  .code_img {
  width: 120px;
  height: 120px;
}
.contact_us_main .public_title {
  height: 48px;
  font-size: 16px;
  line-height: 48px;
  border-bottom: 1px solid #ccc;
}
.contact_us_main .public_title .public_text {
  color: #222;
  border-bottom: 3px solid #222;
  padding-bottom: 14px;
}
.contact_us_main .message_form_area {
  height: 500px;
  background-color: #fff;
}
.contact_us_main .message_form_area .publish_message {
  font-size: 14px;
  margin: 20px 0 25px 15px;
  color: #666;
}
.message_form_area .contact-form {
  padding: 40px;
  box-sizing: border-box;
}
.message_form_area .contact-form .col-sm-12:last-child {
  text-align: center;
}
.contact_us_main .online_map_area {
  height: 506px;
  background-color: #fff;
  overflow: hidden;
}
.contact_us_main .online_map_area .online_map {
  width: 100%;
  height: 100%;
  padding: 5px;
}
.message_form_area .contact-form {
  padding: 10px 60px;
}
.contact-form input {
  border: 1px solid #e8e8e8;
  padding: 8px 14px;
  width: 100%;
  height: 38px;
  margin-bottom: 20px;
  border-radius: 4px;
  outline: none;
}
.contact-form textarea {
  border: 1px solid #e8e8e8;
  padding: 8px 14px;
  width: 100%;
  margin-bottom: 20px;
  outline: none;
}
.contact-form .yp_submit_btn {
  width: 100px;
}

@media (max-width: 768px) {
  .contact_information {
    display: none;
  }
  .contact_us_main {
    padding-top: 50px;
    height: 1100px;
  }
  .message_form_area .contact-form {
    padding: 10px;
  }
  .contact_us_main .message_form_area {
    height: 480px;
  }
  .contact_us_main .online_map_area .online_map {
    height: 85%;
  }
}