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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* 主内容区样式 */
main {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 表单样式 */
.query-form {
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

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

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

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* 加载动画 */
.loading {
    text-align: center;
    padding: 40px 0;
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

/* 结果区域样式 */
.result-section {
    margin-top: 30px;
}

.result-header {
    margin-bottom: 20px;
}

.result-header h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.result-info {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    color: #666;
    font-size: 14px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
}

.btn-page {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background-color: #fff;
    color: #333;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-page:hover:not(:disabled) {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

.btn-page:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#pageIndicator {
    font-weight: 500;
}

/* 表格样式 */
.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.result-table th,
.result-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.result-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.result-table tr:hover {
    background-color: #f8f9fa;
}

/* 错误提示样式 */
.error-section {
    margin-top: 20px;
    padding: 15px;
    background-color: #fee;
    border: 1px solid #fcc;
    border-radius: 4px;
    text-align: center;
}

.error-message {
    color: #c00;
    font-weight: 500;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    main {
        padding: 20px;
    }
    
    .result-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .result-table th,
    .result-table td {
        padding: 10px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .form-group input,
    .form-group select,
    .btn-submit {
        font-size: 14px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .result-table {
        font-size: 13px;
    }
}