* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background-color: #f5f7fa;
    padding: 30px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    padding: 30px;
    overflow: visible !important; /* 防止下拉被裁剪 */
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
}

.select-panel {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    overflow: visible !important;
}

.select-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

label {
    font-weight: 600;
    color: #34495e;
    white-space: nowrap;
}

select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    min-width: 180px;
    background: #fff;
    cursor: pointer;
    position: relative;
    z-index: 9999; /* 保证下拉在最上层 */
}

select:disabled {
    background: #eee;
    cursor: not-allowed;
}

#queryBtn {
    padding: 8px 24px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s;
}

#queryBtn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

#queryBtn:hover:not(:disabled) {
    background: #2980b9;
}

.result-panel {
    margin-top: 20px;
}

.result-panel h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.param-table {
    width: 100%;
}

.param-row {
    display: flex;
    border-bottom: 1px solid #eee;
}

.param-row:nth-child(even) {
    background: #f8f9fa;
}

.param-label {
    width: 30%;
    padding: 12px 15px;
    font-weight: 600;
    color: #34495e;
    background: #f0f3f5;
}

.param-value {
    width: 70%;
    padding: 12px 15px;
    color: #2c3e50;
}