main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

main .title {
  padding: 60px 0;
}

main .title h1 {
  font-weight: 400;
  text-align: center;
}

main .title h1 span {
  font-size: 19px;
}

main .contact_tel {
  width: 100%;
  border: 1px solid black;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

main .contact_tel .item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

main .contact_tel .item:last-child {
  margin-bottom: 0;
}

main .contact_tel .item a {
  text-decoration: none;
  color: black;
  font-size: 24px;
  font-weight: bold;
  margin-left: 10px;
}

main .contact_tel span {
  margin-bottom: 5px;
  font-size: 12px;
  color: #373737;
}

main .contact_tel svg {
  width: 30px;
  height: 30px;
}

main .contact_address {
  margin-top: 40px;
  margin-bottom: 10px;
}

main .contact_address p {
  font-size: 14px;
  margin-bottom: 10px;
  color: #373737;
}

.contact_form {
  margin-top: 40px;
}

.contact_form .item {
  background-color: #eaeaea;
  display: flex;
  padding: 15px 40px;
  margin-bottom: 5px;
}

.contact_form .item .tab_name {
  width: 20%;
  display: flex;
  align-items: center;
}

.contact_form .item .tab_name label {
  font-size: 16px;
}

.contact_form .item .tab_name span {
  display: block;
  padding: 1px 3px;
  background-color: red;
  color: #fff;
  font-size: 12px;
  margin-left: 5px;
}

.contact_form .item .int {
  width: 80%;
}

.contact_form .item .int input {
  width: 100%;
  padding: 10px 10px;
  font-size: 18px;
}

.contact_form .item .sex {
  display: flex;
}

.contact_form .item .int .n,
.contact_form .item .int .v {
  display: flex;
  align-items: center;
  /* flex-direction: column; */
}

.contact_form .item .int .v {
  margin-left: 15px;
}

.contact_form .item .int .n input,
.contact_form .item .int .v input {
  width: 17px;
  height: 17px;
  margin-right: 5px;
}

.contact_form .item .phone_nub {
  display: flex;
  align-self: center;
}

.contact_form .item .phone_nub p {
  margin: 5px 10px;
}

.contact_form .item .phone_nub input {
  width: 10%;
}

.contact_form .item .int span {
  font-size: 14px;
  margin-bottom: 10px;
  color: #373737;
}

.contact_form .che {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact_form .item .int textarea {
  width: 100%;
}

.contact_form {
  width: 100%;
  justify-content: center;
}

.contact_form .send_btn {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 40px 0;
}

.contact_form .send_btn button {
  padding: 15px 100px;
  background: black;
  color: #fff;
}

@media (max-width: 780px) {
  main {
    padding: 0 20px;
  }

  .contact_form .item {
    flex-direction: column;
    padding: 15px 20px;
  }

  .contact_form .item .tab_name {
    margin-bottom: 10px;
  }

  .contact_form .item .tab_name,
  .contact_form .item .int {
    width: 100%;
  }

  .contact_form .item .phone_nub input {
    width: 25%;
  }

  .contact_form .send_btn button {
    width: 100%;
  }
}