/* AIGEO 文章/案例/问答排版 · 铁甲净化 */
.aigeo-article {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
    font-size: 17px;
    line-height: 1.9;
    color: #1F2937;
    letter-spacing: 0.02em;
}
.aigeo-article .aigeo-meta {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 20px;
}
.aigeo-article .aigeo-lead {
    background: linear-gradient(135deg, #EFF6FF, #F0FDF4);
    border-left: 4px solid #1E4A76;
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 20px 0 28px;
    font-size: 18px;
    font-weight: 600;
    color: #1E4A76;
    line-height: 1.8;
}
.aigeo-article .aigeo-lead strong { color: #0F2C44; font-weight: 700; }
.aigeo-article h2 {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #1E4A76;
    margin: 36px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #EFF6FF;
    line-height: 1.4;
}
.aigeo-article h3 {
    font-size: 20px;
    font-weight: 600;
    color: #374151;
    margin: 28px 0 12px;
    line-height: 1.45;
}
.aigeo-article p {
    margin: 0 0 18px;
    text-align: justify;
    font-size: 17px;
    line-height: 1.9;
}
.aigeo-article .aigeo-qa {
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 18px 22px;
    margin: 20px 0;
}
.aigeo-article .aigeo-q {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
    color: #1E4A76;
    margin-bottom: 10px;
    font-size: 17px;
    line-height: 1.6;
}
.aigeo-article .aigeo-a {
    color: #4B5563;
    margin: 0;
    font-size: 17px;
    line-height: 1.85;
}
.aigeo-article ul, .aigeo-article ol { margin: 0 0 18px 28px; }
.aigeo-article li { margin-bottom: 10px; line-height: 1.85; }
.aigeo-article-card {
    background: #fff;
    border-radius: 24px;
    padding: 36px 40px;
    max-width: 860px;
    margin: 32px auto;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.aigeo-article-card h1 {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 30px;
    font-weight: 800;
    color: #0F2C44;
    line-height: 1.4;
    margin: 12px 0 8px;
}
.aigeo-article-card .back-link {
    color: var(--primary, #1E4A76);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 8px;
}
.faq-item summary {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.6;
}
.faq-item .faq-answer {
    font-size: 16px;
    line-height: 1.85;
    color: #4B5563;
}
.faq-item .faq-num {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
}
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 32px 0 48px;
    flex-wrap: wrap;
}
.pagination .page-btn {
    background: #fff;
    border: 1.5px solid #1E4A76;
    padding: 8px 20px;
    border-radius: 40px;
    color: #1E4A76;
    font-weight: 600;
    text-decoration: none;
}
.pagination .page-btn:hover { background: #1E4A76; color: #fff; }
.pagination .page-info { color: #6B7280; font-size: 0.9rem; }
.tag-local { background: #F0FDF4 !important; color: #166534 !important; }
@media (max-width: 768px) {
    .aigeo-article-card { padding: 24px 20px; margin: 16px; }
    .aigeo-article-card h1 { font-size: 24px; }
    .aigeo-article h2 { font-size: 21px; }
    .aigeo-article { font-size: 16px; }
}