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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* 容器样式 */
.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

header h1 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 10px;
}

header p {
    color: #7f8c8d;
    font-size: 16px;
}

/* 表单样式 */
.query-form {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* 按钮样式 */
.btn-submit {
    width: 100%;
    padding: 14px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: #2980b9;
}

.btn-submit:active {
    transform: translateY(1px);
}

/* 结果容器样式 */
.result-container {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    min-height: 200px;
    display: none;
}

.result-container.show {
    display: block;
}

.result-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2c3e50;
}

.result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-label {
    display: inline-block;
    width: 120px;
    font-weight: 600;
    color: #7f8c8d;
}

.result-value {
    color: #2c3e50;
    font-size: 16px;
}

/* 错误信息样式 */
.error-message {
    color: #e74c3c;
    margin-top: 10px;
    font-size: 14px;
    text-align: center;
}

/* 加载动画样式 */
.loading {
    text-align: center;
    padding: 20px;
    color: #3498db;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        margin: 20px;
        padding: 20px;
    }
    
    header h1 {
        font-size: 24px;
    }
    
    .query-form,
    .result-container {
        padding: 20px;
    }
    
    .form-group input {
        padding: 10px;
    }
    
    .btn-submit {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    
    header h1 {
        font-size: 20px;
    }
    
    header p {
        font-size: 14px;
    }
    
    .query-form,
    .result-container {
        padding: 15px;
    }
    
    .result-label {
        width: 100px;
        font-size: 14px;
    }
    
    .result-value {
        font-size: 14px;
    }
}