/* 通用样式 */
.gradient-container {
  width: 100%;
  height: calc(100vh - 120px);
  min-width: 1200px;
  padding-top: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: url(../images/index/home_bg.jpg) no-repeat top center;
  background-size: cover;
}
.feedback-card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 640px;
  padding: 24px;
}

.feedback-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 24px;
  color: #000;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  margin-bottom: 8px;
  color: #333;
}

.required::before {
  content: "* ";
  color: #ff4d4f;
}

.radio-group {
  display: flex;
  gap: 12px;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
}

.radio-item {
  position: relative;
}

.radio-item input[type="radio"] {
  opacity: 0;
  position: absolute;
}

.radio-item label {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  cursor: pointer;
  transition: all 0.3s;
}

.radio-item input[type="radio"]:checked + label {
  border-color: #1890ff;
  color: #1890ff;
  background-color: #e6f7ff;
}

.radio-item input[type="radio"]:focus + label {
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.radio-item label:hover {
  border-color: #1890ff;
}

textarea {
  width: 100%;
  height: 120px;
  padding: 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  resize: none;
  font-size: 14px;
}

textarea:focus {
  outline: none;
  border-color: #1890ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.word-count {
  text-align: right;
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

input[type="tel"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
  height: 36px;
}

input[type="tel"]:focus {
  outline: none;
  border-color: #1890ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.error-message {
  color: #ff4d4f;
  font-size: 12px;
  margin-top: 4px;
  display: none;
}
.submit-btn-div {
  text-align: center;
}
.submit-btn {
  width: 180px;
  background-color: #1890ff;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 10px 0;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.3s;
}

.submit-btn:hover {
  background-color: #40a9ff;
}

.submit-btn:active {
  background-color: #096dd9;
}