/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: #3498db;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #2980b9;
}

.result {
    margin-top: 20px;
    padding: 15px;
    background-color: #e8f4fd;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    display: none;
}

.error {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
}

/* 通用表单容器样式 - 优化WPS表单显示 */
.form-container {
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    padding: 0;
    position: relative;
}

/* 提示信息样式 */
.form-tips {
    margin-top: 15px;
    padding: 12px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    text-align: center;
}

.form-tips p {
    margin: 0;
    color: #6c757d;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .form-container {
        margin: 15px 0;
    }
    
    /* 确保iframe在小屏幕上有合适的比例和高度 */
    iframe {
        min-height: 800px !important; /* 增加最小高度以确保表单完整显示 */
        width: 100% !important;
    }
}

/* 为大屏幕优化iframe比例 */
@media (min-width: 769px) {
    iframe {
        min-height: 650px !important;
        width: 100% !important;
    }
}