/* 移动端优化 */
@media (max-width: 768px) {
    .content img,
    .content img[align="left"],
    .content img[align="right"] {
        float: none !important;
        display: block;
        margin: 0 auto 15px auto !important;
        max-width: 100% !important;
        height: auto !important;
    }
    
    .content img[align="left"],
    .content img[align="right"] {
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .content h2 {
        font-size: 20px;
    }
    
    .content h3 {
        font-size: 16px;
    }
    
    .content h4 {
        font-size: 14px;
    }
    
    .content p {
        font-size: 15px;
    }
    
    .content blockquote {
        padding: 10px 15px;
    }
    
    .content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        max-width: 100%;
        -webkit-overflow-scrolling: touch;
    }
    
    .content table th, .content table td {
        padding: 8px;
    }
}

/* 响应式样式 */
@media (max-width: 991px) {
    .content h2 {
        font-size: 22px;
    }
    
    .content h3 {
        font-size: 18px;
    }
}