/* PDF预览弹窗样式 */
.pdf-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.pdf-modal.show {
    display: flex;
}

.pdf-modal-content {
    background: white;
    width: 90%;
    max-width: 1000px;
    height: 85%;
    display: flex;
    flex-direction: column;
}

.pdf-modal-header {
    padding: 15px 20px;
    background: #3498db;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-modal-header h3 {
    margin: 0;
    font-size: 16px;
}

.pdf-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

.pdf-modal-close:hover {
    opacity: 0.8;
}

.pdf-modal-body {
    flex: 1;
    overflow: hidden;
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .pdf-modal-content {
        width: 95%;
        height: 90%;
    }
}