@media print {
    /* 隐藏非必要元素 */
    .header-nav,
    .cta-group,
    .social-sharing,
    .video-section,
    .static-cta,
    .section-factory .cta-group,
    #back-to-top,
    .footer-content {
        display: none !important;
    }

    /* 基础打印重置 */
    body {
        background: white !important;
        color: black !important;
        font-family: "Times New Roman", serif !important;
        font-size: 12pt !important;
        line-height: 1.5 !important;
        padding-top: 0 !important;
    }

    /* 容器优化 */
    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* 产品头图优化 */
    .product-header {
        padding: 20px 0 !important;
        background: none !important;
    }
    
    .product-header-wrapper {
        display: block !important;
    }

    /* 图片处理 */
    img {
        max-width: 100% !important;
        height: auto !important;
        filter: grayscale(100%) !important;
        box-shadow: none !important;
    }

    /* 技术规格优化 */
    .specs-preview {
        background: none !important;
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
    }

    /* 表格类内容优化 */
    .spec-grid {
        grid-template-columns: 1fr !important;
    }

    /* 链接处理 */
    a {
        color: black !important;
        text-decoration: none !important;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
        color: #666;
    }

    /* 分页控制 */
    .content-block,
    .specifications-section,
    .detail-spec {
        page-break-inside: avoid;
        margin-top: 20px !important;
    }

    /* 打印边距设置 */
    @page {
        margin: 2cm;
        size: A4 portrait;
    }

    /* 标题优化 */
    .product-title {
        font-size: 18pt !important;
        color: black !important;
        page-break-after: avoid;
    }

    /* 技术参数排版 */
    .spec-item dd {
        color: black !important;
    }

    /* 证书部分优化 */
    .cert-img-container {
        height: auto !important;
        border: none !important;
    }

    /* 页脚保留必要信息 */
    .main-footer {
        background: white !important;
        padding: 20px 0 !important;
        border-top: 1px solid #ddd;
    }
    
    .copyright {
        color: #666 !important;
    }
    
    .copyright a {
        color: #666 !important;
    }

    /* 强制显示隐藏内容 */
    .zoom-modal,
    .mobile-menu {
        display: none !important;
    }
	body::after {
	    content: "DYYRENT Confidential";
	    position: fixed;
	    opacity: 0.2;
	    transform: rotate(-45deg);
	    font-size: 60pt;
	    width: 100%;
	    text-align: center;
	    top: 30%;
	    pointer-events: none;
	}
}