.contact-container {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.contact-form input,
.contact-form textarea {
  display: inline-block;
  width: 100%;
  padding: 12px;
  border: none;
  background: #f7f7f7;
  border-radius: 6px;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder  {
  color: #a5a5a5; /* 设置为灰色 */
}

.form-section {
  border-bottom: 1px solid rgb(240, 240, 240);
  margin-bottom: 2rem;
}

.sub-btn {
  border: none;
  padding: 0.5rem 0.8rem;
  color: #ffffff;
  background: #3cbed2;
  border-radius: 4px;
}