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

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 20px 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    min-height: 100vh;
}

h1 { color: #333; margin-bottom: 5px; }
.site-desc { color: #666; margin-bottom: 20px; }

.filters {
    background: #f0f4f8;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.filters label { font-weight: bold; font-size: 0.9em; }

.filters select {
    padding: 5px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.9em;
}

.filters .btn {
    padding: 5px 14px;
    background: #0066cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    text-decoration: none;
}

.filters .btn:hover { background: #004999; }

.article-list { list-style: none; padding: 0; }

.article-item {
    padding: 16px 0;
    border-bottom: 1px solid #eee;
}

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

.article-title {
    font-size: 1.3em;
    margin-bottom: 6px;
}

.article-title a {
    text-decoration: none;
    color: #0066cc;
}

.article-title a:hover { text-decoration: underline; }

.article-meta {
    color: #666;
    font-size: 0.85em;
    margin-bottom: 8px;
}

.article-summary {
    color: #444;
    line-height: 1.6;
}

.tags { margin-top: 8px; }

.tag {
    display: inline-block;
    background: #e0e0e0;
    color: #333;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.78em;
    margin-right: 5px;
}

.tag-hot {
    background: #ffebee;
    color: #c62828;
    font-weight: bold;
}

.tag-region { background: #e3f2fd; color: #1565c0; }

.tag-domain { background: #f3e5f5; color: #6a1b9a; }

.pagination {
    margin-top: 24px;
    text-align: center;
    font-size: 0.9em;
}

.pagination a, .pagination span {
    display: inline-block;
    padding: 6px 12px;
    margin: 0 2px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #0066cc;
}

.pagination .current {
    background: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

.back-link {
    display: inline-block;
    margin-bottom: 16px;
    color: #0066cc;
    text-decoration: none;
    font-size: 0.9em;
}

.back-link:hover { text-decoration: underline; }

.article-full .meta-block {
    background: #f9f9f9;
    padding: 12px 16px;
    border-radius: 6px;
    margin: 12px 0;
}

.article-full .meta-block p { margin: 4px 0; font-size: 0.9em; }

.article-full .article-body {
    margin-top: 16px;
    line-height: 1.7;
}

.ai-box {
    background: #fffde7;
    border-left: 4px solid #f9a825;
    padding: 12px 16px;
    margin: 16px 0;
    border-radius: 4px;
    font-style: italic;
    color: #555;
}

.ai-box strong { color: #333; }

.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
}