/* lt-content.css - 长尾 SEO 内容区块共享样式
 * 所有工具页底部追加的长尾教程内容统一使用此样式
 */
.lt-content {
    max-width: 800px;
    margin: 40px auto;
    padding: 28px 32px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    color: #333;
}
.lt-content h2 {
    font-size: 22px;
    color: #1a2744;
    border-bottom: 2px solid #f0c040;
    padding-bottom: 10px;
    margin: 0 0 16px;
    line-height: 1.4;
}
.lt-content h3 {
    font-size: 17px;
    color: #2b3a67;
    margin: 22px 0 8px;
    line-height: 1.4;
}
.lt-content h4 {
    font-size: 15px;
    color: #1a2744;
    margin: 18px 0 6px;
}
.lt-content p {
    font-size: 15px;
    line-height: 1.8;
    color: #444;
    margin: 0 0 12px;
}
.lt-content ul, .lt-content ol {
    margin: 0 0 14px 22px;
    padding: 0;
}
.lt-content li {
    font-size: 15px;
    line-height: 1.8;
    color: #444;
    margin-bottom: 4px;
}
.lt-content strong { color: #1a2744; }
.lt-content a { color: #2b3a67; text-decoration: underline; }
.lt-content .lt-faq {
    margin-top: 20px;
    border-top: 1px solid #e2e8f0;
    padding-top: 4px;
}
.lt-content .lt-cta {
    margin-top: 24px;
    text-align: center;
}
.lt-content .lt-cta a {
    display: inline-block;
    padding: 11px 24px;
    background: #2b3a67;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: background 0.2s;
}
.lt-content .lt-cta a:hover { background: #1a2744; }

@media (max-width: 640px) {
    .lt-content { padding: 20px 18px; margin: 24px 12px; }
    .lt-content h2 { font-size: 19px; }
}