.about_content {
  width: 100%;
}
.about_content .form {
  width: 70%;
  margin-left: 15%;
  background: #ffdde2;
  padding: 40px 0 30px 0;
}
.about_content .form .container {
  width: 100%;
}
.about_content .form .container .row > div {
  margin-bottom: 20px;
}
.about_content .form .container label {
  font-size: 16px;
  color: #4d4d4e;
  font-weight: normal;
  width: 20%;
  height: 40px;
  line-height: 40px;
}
.about_content .form .container .mess_label {
  width: 9.5%;
  position: absolute;
  top: -6%;
}
.about_content .form .container input {
  width: 77%;
  border: 1px solid #ddd;
  border-radius: 5px;
  height: 40px;
  padding: 10px;
}
.about_content .form .container textarea {
  width: 89%;
  height: 80px;
  border-radius: 5px;
  border: 1px solid #ddd;
  padding: 5px;
  margin-bottom: 0px;
  margin-left: 10%;
}
.about_content .form .container .submit,
.about_content .form .container .reset {
  width: 100px;
  height: 30px;
  line-height: 12px;
  text-align: center;
  background: white;
  border: 1px solid #ffdde2;
  border-radius: 5px;
}
.form .code_mobile{
    display:none;
}

@media (max-width:1688px){
  .about_content .form {
    width: 80%;
    margin-left: 10%;
  }
}
@media (max-width:1440px){
  .about_content .form {
    width: 90%;
    margin-left: 5%;
  }
}
@media (max-width:1024px){
  .about_content .form .container textarea {
    width: 77%;
    margin-left: 20.5%;
  }
  .about_content .form .container input.code{
    width:100%;
    display:inline-block;
  }
  .code_block{
    position:absolute;
    right: 15%;
    bottom: 22.5%;
  }
  .about_content .form .container .mess_label{
    width:17.5%;
  }
}
@media (max-width:768px){
  .code_block{
    position:absolute;
    right: 15%;
    bottom: 22.5%;
  }
  .form .code_mobile{
    display:block;
    }
    .form .code_pc{
    display:none;
    }
}
@media (max-width:576px){
  .about_content .form{
    width:100%;
    margin:0;
  }
  .about_content .form .container label,.about_content .form .container .mess_label{
    font-size:15px;
    width:100%;
    position: relative;
  }
  .about_content .form .container input,.about_content .form .container textarea{
    width:100%;
    position: relative;
    margin:0;
  }
  .about_content .form{
    padding:20px 0;
  }
  .about_content .form .container .row > div{
    margin-bottom:0;
  }
  .code_block {
    position: absolute;
    right: 8%;
    bottom: 12%;
  }
  .about_content .form .container .submit, .about_content .form .container .reset{
    margin-top:20px;
  }
}
@media (max-width:375px){
  .code_block {
    right: 8%;
    bottom: 14.5%;
  }
}