.problem-feedback {
  padding: 20px 0;
  min-height: 600px;
}
.problem-feedback .help-nav {
  margin-bottom: 20px;
  font-size: 14px;
  color: #666;
}
.problem-feedback .help-nav a {
  color: #333;
  text-decoration: none;
}
.problem-feedback .help-nav a:hover {
  color: #e60012;
}
.problem-feedback .feedback-form {
  background: #fff;
  padding: 40px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.problem-feedback .feedback-form .form-item {
  margin-bottom: 30px;
  display: flex;
  align-items: flex-start;
}
.problem-feedback .feedback-form .form-item .form-label {
  width: 120px;
  padding-top: 10px;
  font-size: 14px;
  color: #333;
  text-align: right;
  padding-right: 20px;
  flex-shrink: 0;
}
.problem-feedback .feedback-form .form-item .form-label.required::before {
  content: '*';
  color: #e60012;
  margin-right: 4px;
}
.problem-feedback .feedback-form .form-item .form-input {
  flex: 1;
}
.problem-feedback .feedback-form .form-item .form-input .input {
  width: 100%;
  height: 40px;
  padding: 0 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
}
.problem-feedback .feedback-form .form-item .form-input .input:focus {
  border-color: #e60012;
  outline: none;
}
.problem-feedback .feedback-form .form-item .form-input .input::placeholder {
  color: #999;
}
.problem-feedback .feedback-form .form-item .form-input .textarea {
  width: 100%;
  min-height: 150px;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  resize: vertical;
  font-family: inherit;
}
.problem-feedback .feedback-form .form-item .form-input .textarea:focus {
  border-color: #e60012;
  outline: none;
}
.problem-feedback .feedback-form .form-item .form-input .textarea::placeholder {
  color: #999;
}
.problem-feedback .feedback-form .form-item .form-input .char-count {
  text-align: right;
  margin-top: 8px;
  font-size: 12px;
  color: #999;
}
.problem-feedback .feedback-form .upload-area .upload-item {
  display: inline-block;
  margin-right: 15px;
  margin-bottom: 15px;
  position: relative;
}
.problem-feedback .feedback-form .upload-area .upload-item img {
  border-radius: 4px;
  border: 1px solid #ddd;
}
.problem-feedback .feedback-form .upload-area .upload-item .delete-image {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  background: #e60012;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  line-height: 1;
}
.problem-feedback .feedback-form .upload-area .upload-item .delete-image::before {
  content: '×';
  font-size: 16px;
}
.problem-feedback .feedback-form .upload-area .upload-item .delete-image:hover {
  background: #c5000f;
}
.problem-feedback .feedback-form .upload-area .upload-tip-text {
  font-size: 12px;
  color: #999;
  margin-top: 10px;
}
.problem-feedback .feedback-form .form-actions {
  text-align: center;
  margin-top: 40px;
}
.problem-feedback .feedback-form .form-actions .submit-btn {
  padding: 12px 50px;
  background: #e60012;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
}
.problem-feedback .feedback-form .form-actions .submit-btn:hover:not(:disabled) {
  background: #c5000f;
}
.problem-feedback .feedback-form .form-actions .submit-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}