.logo {
  text-align: center;
}
.logo h3 {
  margin: 50px auto 10px;
  font-size: 24px;
  line-height: 32px;
  font-weight: 700;
  word-spacing: 2px;
}
.logo h4 {
  font-size: 14px;
  line-height: 32px;
  font-weight: 600;
  word-spacing: 1px;
}
.step_num {
  height: 20px;
  line-height: 10px;
  padding: 5px 5px;
  color: #fff;
  box-sizing: none;
}
.step_desc {
  word-break: break-all;
  padding: 0 10px;
  font-weight: bold;
  word-break: keep-all;
}

.verify_tips {
  margin: 15px auto 10px;
  text-align: center;
  font-size: 14px;
  line-height: 24px;
}
.verify_input {
  margin: 15px auto;
}
.verify_result {
  padding: 15px;
  height: 160px;
  overflow-y: auto;
  border: 1px dashed #f00;
}
.anti_desc {
  padding: 10px 15px;
  border-radius: 8px;
  border: 3px solid #dfdfdf;
}
.anti_desc h4 {
  font-size: 12px;
  line-height: 18px;
  color: #e3342f;
  word-spacing: 2px;
  font-weight: 500;
}
.anti_desc p {
  color: #666;
  margin: 10px auto;
  font-size: 12px;
  line-height: 18px;
  font-weight: 500;
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .logo {
    text-align: center;
  }
  .logo h3 {
    margin: 50px auto 10px;
    font-size: 40px;
    line-height: 40px;
    font-weight: 800;
    word-spacing: 2px;
  }
  .logo h4 {
    font-size: 28px;
    line-height: 40px;
    font-weight: 700;
    word-spacing: 1px;
  }
  .step_num {
    line-height: 10px;
    padding: 5px 5px;
    color: #fff;
  }
  .step_desc {
    word-break: break-all;
    padding: 0 10px;
    font-weight: bold;
    word-break: keep-all;
  }

  .verify_tips {
    margin: 30px auto 15px;
    text-align: center;
    font-size: 24px;
    line-height: 32px;
  }
  .verify_result {
    padding: 15px;
    height: 160px;
    border: 1px dashed #f00;
  }

  .anti_desc {
    padding: 10px 20px;
    border-radius: 10px;
    border: 3px solid #dfdfdf;
  }
  .anti_desc h4 {
    font-size: 20px;
    line-height: 24px;
    color: #e3342f;
    word-spacing: 2px;
    font-weight: 700;
  }
  .anti_desc p {
    color: #666;
    margin: 10px auto;
    font-size: 20px;
    line-height: 24px;
    font-weight: 700;
  }
}