#mobile {
  width: 100%;
  overflow: hidden;
  height: 100%;
}
#mobile .contact_us_in .contact_us_1 {
  width: 100%;
  height: 7rem;
}
#mobile .contact_us_in .contact_us_2 {
  padding: 0.5rem 0;
  background-color: #fff;
  display: flex;
  align-items: center;
}
#mobile .contact_us_in .contact_us_2 .crumbs {
  color: #666666;
  position: relative;
}
#mobile .contact_us_in .contact_us_2 .crumbs .span_rh {
  color: #000000;
}
#mobile .contact_us_in .contact_us_3 {
  padding: 0.5rem;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a {
  width: 32%;
  margin: 0.25rem 0;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back {
  background-color: #f4f4f4;
  padding: 0.3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > img {
  height: 48px;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > span {
  padding: 0.2rem 0;
  font-size: 0.16rem;
}
#mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > p {
  font-size: 0.24rem;
}
#mobile .contact_us_in .contact_us_4 {
  background-image: url(../img/bg_us.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in {
  padding: 1rem 0.3rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .top_text {
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .top_text > h2 {
  font-size: 0.48rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .top_text > span {
  font-size: 0.16rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .form_top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
  margin-top: 0.6rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .form_top > input {
  width: 29%;
  padding: 0.2rem 0.3rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .textarea {
  display: flex;
  justify-content: center;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .textarea > textarea {
  padding: 0.2rem 0.3rem;
  width: 100%;
  height: 2.3rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button {
  display: flex;
  justify-content: center;
  margin-top: 0.4rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button > button {
  padding: 0.3rem 0;
  margin: 0 0.3rem;
  width: 2.5rem;
  font-size: 0.24rem;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button > button:nth-of-type(1) {
  background-color: #fff;
  color: #666666;
}
#mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button > button:nth-of-type(2) {
  background-color: #000000;
  color: #fff;
}
@media screen and (max-width: 1100px) {
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > span {
    font-size: 16px;
  }
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > p {
    font-size: 24px;
  }
  #mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button > button {
    font-size: 24px;
  }
}
@media screen and (min-width: 760px) and (max-width: 1199px) {
  #mobile .contact_us_in .contact_us_2 .crumbs {
    padding: 0 1rem;
  }
  #mobile h2 {
    font-size: 1.5em !important;
  }
}
@media screen and (max-width: 890px) {
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back > p {
    font-size: 16px;
  }
}
@media screen and (max-width: 760px) {
  #mobile .contact_us_in .contact_us_2 .crumbs {
    padding: 0 1rem;
  }
  #mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .form_top {
    flex-direction: column;
  }
  #mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .form_top > input {
    width: 96%;
    margin: 0.1rem 0;
    padding: 0.3rem;
  }
  #mobile .contact_us_in .contact_us_4 .contact_4_in .form > form .button > button {
    width: 50%;
    font-size: 18px;
  }
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a {
    width: 49%;
  }
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a .back {
    padding: 0.5rem 0;
  }
  #mobile h2 {
    font-size: 1.5em !important;
  }
}
@media screen and (max-width: 640px) {
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
  }
  #mobile .contact_us_in .contact_us_3 .contact_us_in_1 > a {
    width: 99%;
  }
}