/* styles.css */
/* 基础样式 */
body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f7fa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* 计算器盒子 */
.calculator-box {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* 表单元素 */
.form-select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 16px;
}

.question {
    margin-bottom: 20px;
}

.question label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.question input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-primary {
    background: #007bff;
}

.btn-primary:hover {
    background: #0056b3;
}

/* 结果展示 */
.result-box {
    margin-top: 30px;
    padding: 20px;
    border-radius: 8px;
}

.success {
    background: #e6fff2;
    border: 1px solid #00cc88;
}

.error {
    background: #ffe6e6;
    border: 1px solid #ff4444;
}

.amount {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
}

.formula {
    margin-top: 10px;
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .calculator-box {
        padding: 20px;
    }
    
    .question input {
        padding: 10px;
    }
}

/* styles.css 新增样式 */
.form-section-title {
  color: #2c7be5;
  border-left: 4px solid #2c7be5;
  padding-left: 1rem;
  margin: 2rem 0 1rem;
}

.radio-group,
.checkbox-group {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.form-check {
  display: flex;
  align-items: center;
  min-width: 12px; /* 防止内容挤压 */
  white-space: nowrap; /* 禁止文字换行 */
  gap: 0.5rem;
}

.form-check-input {
  width: 1.2em;
  height: 1.2em;
  margin-top: 0;
}

/* 复选框垂直排列 */
.checkbox-group.vertical {
  flex-direction: column;
}