/* 静态知识页面样式 - 本地化存储 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
    color: #333;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    margin-top: 20px;
    margin-bottom: 20px;
}

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

.content {
    padding: 30px;
}

.knowledge-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #3498db;
}

.knowledge-title {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.4;
}

.knowledge-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #7f8c8d;
    font-size: 14px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.knowledge-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.keyword-tag {
    background: #e8f4fd;
    color: #3498db;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 14px;
}

.knowledge-description {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid #3498db;
}

.knowledge-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    line-height: 1.8;
    font-size: 16px;
}

.knowledge-content h2 {
    color: #2c3e50;
    margin: 25px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.knowledge-content h3 {
    color: #2c3e50;
    margin: 20px 0 10px 0;
}

.knowledge-content p {
    margin-bottom: 15px;
}

.knowledge-content ul, .knowledge-content ol {
    margin: 15px 0 15px 20px;
}

.knowledge-content li {
    margin-bottom: 8px;
}

footer {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
    background: #f8f9fa;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .knowledge-title {
        font-size: 1.5rem;
    }
    
    .knowledge-meta {
        flex-direction: column;
        gap: 10px;
    }
}