* {
    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-color: #f5f7fa;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    padding: 30px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2.2em;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.1em;
    margin-bottom: 20px;
}

.tool-intro {
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 5px;
}

.tool-intro h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.tool-intro ul {
    padding-left: 20px;
}

.tool-intro li {
    margin-bottom: 8px;
}

.input-section {
    margin-bottom: 30px;
}

.input-section h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

textarea {
    width: 100%;
    height: 200px;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: monospace;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.3s;
}

textarea:focus {
    outline: none;
    border-color: #3498db;
}

.button-group {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

button {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

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

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.results-section {
    margin-top: 30px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.results-container {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.result-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s;
}

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

.result-item:hover {
    background-color: #f9f9f9;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.domain {
    font-weight: bold;
    color: #2c3e50;
    font-size: 16px;
}

.status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.status-success {
    background: #d4edda;
    color: #155724;
}

.status-error {
    background: #f8d7da;
    color: #721c24;
}

.status-warning {
    background: #fff3cd;
    color: #856404;
}

.ips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.ip-badge {
    background: #e3f2fd;
    color: #1565c0;
    padding: 4px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

.timestamp {
    color: #7f8c8d;
    font-size: 12px;
    margin-top: 5px;
}

.progress {
    height: 6px;
    background: #ecf0f1;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-bar {
    height: 100%;
    background: #3498db;
    width: 0%;
    transition: width 0.3s;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
}

/* 友情链接样式 */
.friend-links {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.friend-links h4 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
    font-size: 18px;
}

.links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.friend-link {
    color: #3498db;
    text-decoration: none;
    padding: 8px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: all 0.3s;
}

.friend-link:hover {
    background: #f8f9fa;
    border-color: #3498db;
    transform: translateY(-2px);
}

.stats {
    text-align: center;
    margin: 20px 0;
    font-size: 14px;
    color: #7f8c8d;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 1.8em;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}