:root {
    --primary-color: #4a90e2;
    --text-color: #333;
    --bg-color: #f8f9fa;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.2em;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    padding: 20px;
    color: #666;
    border-top: 1px solid #eee;
}
/* 备案号样式 */
.icp-beian {
    margin-top: 15px;
    font-size: 0.9em;
    color: #666;
    text-align: center;
}

.icp-beian a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.icp-beian a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}