/* 移动端PDF预览优化样式 */
/* 作者：AI助手 */
/* 功能：解决移动端PDF iframe预览问题 */

/* 加载遮罩层 */
.pdf-loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.pdf-loading-overlay.active {
    display: flex;
}

.pdf-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #972000;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.pdf-loading-text {
    margin-top: 20px;
    color: #333;
    font-size: 16px;
}

/* 移动端iframe优化 */
@media (max-width: 768px) {
    .acontent iframe {
        width: 100% !important;
        height: 80vh !important;
        min-height: 500px !important;
    }
    
    .acontent p {
        padding: 0 10px;
    }
}

/* 确保iframe在所有设备上正常显示 */
.acontent iframe {
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}