* { box-sizing: border-box; }
body { margin: 0; color: #3c3c3c; background: #f6f6f6; font: 14px/20px "微软雅黑", "Microsoft YaHei", sans-serif; }
button, input { font: inherit; }
.page { width: 1170px; min-height: 815px; margin: 0 auto; padding: 30px 15px 22px; background: #fff; overflow: hidden; }
.header { height: 65px; display: flex; justify-content: center; align-items: flex-start; }
.header-line { width: 190px; margin-top: 15px; border-top: 1px solid #dcdcdc; }
h1 { width: 570px; flex-shrink: 0; margin: 0; text-align: center; color: #f36d00; font-size: 22px; font-weight: 700; line-height: 31.4286px; }
.steps { display: flex; width: 90%; height: 150px; margin: 20px 10% 30px; padding: 0; list-style: none; }
.step { flex: 0 0 200px; display: flex; gap: 10px; margin: 0 15px; height: 110px; }
.step-number { flex: 0 0 35px; height: 35px; border-radius: 50%; background: #f60; color: white; font: 700 22px/35px "微软雅黑", "Microsoft YaHei", sans-serif; text-align: center; }
.step-content { width: 150px; }
.step h2 { height: 35px; margin: 0 0 5px -10px; padding-left: 10px; background: url("assets/step-arrow.jpg") no-repeat left bottom; font-size: 16px; font-weight: 400; line-height: 35px; color: #333; }
.step p { margin: 0; color: #999; font-size: 12px; line-height: 20px; }
.verification-form { position: relative; display: flex; width: 570px; height: 160px; margin: 0 auto 30px; }
.fields { flex: 0 0 75%; padding: 0 15px; }
.form-row { display: flex; height: 37px; margin: 15px 0; }
.form-row label { width: 33.333333%; padding-left: 15px; font-weight: 700; line-height: 32px; flex-shrink: 0; }
input { min-width: 0; height: 32px; padding: 0 10px; border: 1px solid #cbcbcb; border-radius: 0; background: #f8f8f8; color: #3c3c3c; line-height: 32px; outline: none; }
input:hover, input:focus { border-color: #007adb; }
input[aria-invalid="true"] { border-color: #cf3a28; }
#verificationValue, .captcha-group { width: 66.666667%; }
.captcha-group { display: flex; height: 32px; }
#captchaValue { width: 62.5%; border-right-width: 0; }
.captcha-button { width: 37.5%; height: 32px; padding: 0; border: 1px solid #cbcbcb; background: white; cursor: pointer; }
.captcha-button canvas { display: block; width: 100%; height: 30px; }
.submit-button { flex: 0 0 160px; height: 36px; margin: 65px 0 0 25px; padding: 0; border: 0; border-radius: 30px; background: #f60; color: #fff; font-size: 16px; font-weight: 700; line-height: 36px; cursor: pointer; }
.submit-button:hover { background: #ff7a21; }
button:focus-visible { outline: 2px solid #007adb; outline-offset: 3px; }
.form-message { position: absolute; top: 112px; left: 30px; right: -45px; margin: 0; color: #bb3c20; font-size: 12px; line-height: 20px; }
.example { width: 600px; margin: 0 auto; }
.example img { display: block; width: 100%; height: auto; }
@media (min-width: 992px) and (max-width: 1199px) {
  .page { width: 970px; }
  .header-line { width: 155px; }
  .steps { width: 100%; margin-left: 0; }
  .step { margin: 0 17px; }
}
@media (max-width: 991px) {
  .page { width: min(750px, 100%); }
  .header-line { display: none; }
  .steps { width: 100%; height: auto; min-height: 220px; margin-left: 0; flex-wrap: wrap; justify-content: center; }
  .step { flex-basis: 250px; }
  .verification-form { width: 540px; }
  .submit-button { margin-left: 0; flex-basis: 130px; }
}
@media (max-width: 600px) {
  .page { min-height: 100vh; padding: 27px 20px 35px; display: flex; flex-direction: column; }
  .header { height: auto; margin-bottom: 30px; }
  h1 { width: 100%; max-width: 400px; font-size: 18px; line-height: 28px; }
  .steps { display: none; }
  .example { order: 1; width: 100%; max-width: 600px; margin-bottom: 25px; }
  .verification-form { order: 2; width: 100%; height: auto; min-height: 230px; margin: 0; flex-direction: column; }
  .fields { width: 100%; padding: 0; }
  .form-row { height: 40px; margin: 15px 0; }
  .form-row label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); padding: 0; }
  #verificationValue, .captcha-group { width: 100%; height: 40px; }
  input { height: 40px; }
  #captchaValue { width: calc(100% - 100px); }
  .captcha-button { width: 100px; height: 40px; }
  .captcha-button canvas { height: 38px; }
  .submit-button { flex: none; width: 160px; margin: 15px auto 0; }
  .form-message { position: static; margin-top: 15px; text-align: center; }
}