.contactus .l {
  padding: 0 0 0 15%;
  width: 35%;
}

.contactus .r {
  width: 65%;
}

#map {
  width: 100% !important;
}

.contactus .l {
  flex-direction: column;
}

.contactus .l h4 {
  font-weight: bold;
}

.contactus .l dl dt {
  margin: 0 0 60px 0;
  color: #3381F7;
}

.contactus .l dl {
  line-height: 40px;
}

.form_box {
  padding: 100px 0 120px 0;
  box-sizing: border-box;
  background-image: url(../image/contact/背景\ \(25\).png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-attachment: fixed;
  perspective: 1000px;
}

.form_box form .line_box {
  display: flex;
  justify-content: space-between;
}

.form_box form .line_box input {
  margin: 0 0 60px 0;
  padding: 40px 60px;
  width: 49%;
  box-sizing: border-box;
  border: none;
  background-color: rgba(255, 255, 255, 0.8);
}

.form_box form textarea {
  margin: 0 0 60px 0;
  padding: 40px 60px;
  width: 100%;
  resize: none;
  border: none;
  background-color: rgba(255, 255, 255, 0.8);
}

.form_box form button {
  padding: 40px 0;
  width: 100%;
  color: #fff;
  background: #3381F7;
  border: none;
}

@media screen and (max-width: 1680px) {
  .contactus .l h4 {
    font-size: 24px;
  }

  .contactus .l dl {
    line-height: 35px;
    font-size: 14px;
  }

  .contactus .l dl dt {
    margin: 0 0 50px 0;
    font-size: 18px;
  }

  .form_box {
    padding: 90px 0 110px 0;
  }

  .form_box form .line_box input {
    margin: 0 0 50px 0;
    padding: 30px 50px
  }

  .form_box form textarea {
    margin: 0 0 50px 0;
    padding: 30px 50px;
  }

  .form_box form button {
    padding: 30px 0;
  }
}

@media screen and (max-width: 1600px) {
  .contactus .l h4 {
    font-size: 22px;
  }

  .contactus .l dl {
    line-height: 30px;
  }

  .contactus .l dl dt {
    margin: 0 0 40px 0;
    font-size: 16px;
  }

  .form_box {
    padding: 80px 0 100px 0;
  }

  .form_box form .line_box input {
    margin: 0 0 40px 0;
    padding: 20px 40px
  }

  .form_box form textarea {
    margin: 0 0 40px 0;
    padding: 20px 40px;
  }

  .form_box form button {
    padding: 20px 0;
  }
}

@media screen and (max-width: 1440px) {
  .contactus .l h4 {
    font-size: 20px;
  }

  .contactus .l dl {
    line-height: 25px;
  }

  .contactus .l dl dt {
    margin: 0 0 30px 0;
  }

  .form_box {
    padding: 70px 0 90px 0;
  }

  .form_box form .line_box input {
    margin: 0 0 30px 0;
    padding: 15px 30px
  }

  .form_box form textarea {
    margin: 0 0 30px 0;
    padding: 15px 30px;
  }

  .form_box form button {
    padding: 15px 0;
  }
}

@media screen and (max-width: 1366px) {
  .contactus .l h4 {
    font-size: 18px;
  }

  .contactus .l dl {
    line-height: 20px;
  }

  .contactus .l dl dt {
    margin: 0 0 20px 0;
  }

  .form_box {
    padding: 60px 0 80px 0;
  }

  .form_box form .line_box input {
    margin: 0 0 20px 0;
    padding: 15px 20px
  }

  .form_box form textarea {
    margin: 0 0 20px 0;
    padding: 15px 20px;
  }
}

@media screen and (max-width: 1280px) {
  .contactus .l h4 {
    font-size: 16px;
  }

  .contactus .l dl dt {
    margin: 0 0 15px 0;
  }

  .form_box {
    padding: 50px 0 70px 0;
  }

  .form_box form .line_box input {
    margin: 0 0 15px 0;
    padding: 15px 20px;
  }

  .form_box form textarea {
    margin: 0 0 15px 0;
    padding: 15px 20px;
  }
}

@media screen and (max-width: 1024px) {
  .form_box {
    padding: 30px 0 50px 0;
  }
}

@media screen and (max-width: 980px) {
  .form_box {
    padding: 20px 0 40px 0;
  }

  .contactus .l,
  .contactus .r {
    width: 100%;
  }

  .contactus {
    flex-wrap: wrap;
  }

  .contactus .l {
    padding: 0 15%;
    text-align: center;
  }

  .contactus .l h4 {
    margin: 15px 0;
  }

  .contactus .r {
    margin: 15px 0 0 0;
  }
}

@media screen and (max-width: 768px) {
  .form_box {
    padding: 15px 0 30px 0;
  }
}

@media screen and (max-width: 640px) {
  .form_box {
    padding: 15px 0 20px 0;
  }
}

@media screen and (max-width: 375px) {}