* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.2em;
}

.main-content {
    display: grid;
    gap: 30px;
}

.config-section, .query-section, .results-section {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.config-section h2, .query-section h2, .results-section h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.config-section h2:before, .query-section h2:before, .results-section h2:before {
    font-size: 1.2em;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-item label {
    font-weight: 600;
    color: #34495e;
}

.config-item input {
    padding: 10px 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.config-item input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.input-area {
    margin-bottom: 20px;
}

.input-area label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #34495e;
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    font-family: 'Consolas', 'Monaco', monospace;
    resize: vertical;
    min-height: 150px;
    transition: border-color 0.3s;
}

textarea:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12, #d35400);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #1abc9c, #16a085);
    color: white;
}

.results-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .results-columns {
        grid-template-columns: 1fr;
    }
}

.result-column h3 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-column h3 span {
    background: #3498db;
    color: white;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.9em;
}

.result-list {
    max-height: 400px;
    overflow-y: auto;
    border: 2px solid #eee;
    border-radius: 5px;
    margin-bottom: 15px;
    padding: 10px;
}

.result-item {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    padding: 12px;
    margin-bottom: 10px;
    transition: all 0.3s;
}

.result-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-item.qualified {
    border-left: 4px solid #2ecc71;
}

.result-item.unqualified {
    border-left: 4px solid #e74c3c;
}

.result-header {
    font-weight: 600;
    margin-bottom: 8px;
    color: #2c3e50;
    font-size: 1.1em;
}

.result-details {
    font-size: 0.9em;
    color: #666;
    line-height: 1.5;
}

.result-details > div {
    margin-bottom: 4px;
}

.error {
    color: #e74c3c;
    font-weight: 600;
    margin-top: 5px;
    padding: 5px;
    background: #ffeaea;
    border-radius: 3px;
}

.export-all {
    text-align: center;
    padding-top: 20px;
    border-top: 2px solid #eee;
}

/* 友情链接样式 */
.friend-links {
    margin-top: 40px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.friend-links h4 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.3em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.links-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    justify-items: center;
}

.friend-link {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
    text-align: center;
    width: 100%;
    max-width: 250px;
}

.friend-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #2980b9, #1f618d);
    color: white;
    text-decoration: none;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: #7f8c8d;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

footer a {
    color: #3498db;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-note {
    margin-top: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    color: #2c3e50;
}

.footer-note strong {
    color: #e74c3c;
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}