body::before{content:"وبسایت شخصی رضا قلعه‌خانی";position:fixed;top:50%;left:50%;transform:translate(-50%, -50%) rotate(-45deg);font-size:40pt;font-weight:bold;color:rgba(0,0,0,.08);z-index:9999;pointer-events:none;white-space:nowrap}header,#comments,section.webdev-row.webdev-cta,footer,.download-pdf{display:none !important}.content pre,.content pre code,.rank-math-answer p{break-inside:avoid;page-break-inside:avoid}@page{margin:20mm 15mm;size:A4 portrait}h1,h2,h3,h4{break-after:avoid;page-break-after:avoid}h3#faq{break-before:page;page-break-before:always}