.letter-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:11px 18px;background:var(--bg-0,#fff);border-bottom:1px solid var(--hair-8,rgba(11,15,26,.07))}.letter-back{font-size:12.5px;color:#2563eb;text-decoration:none;white-space:nowrap}.letter-hint{flex:1;min-width:180px;font-size:11.5px;color:#667085;line-height:1.5}.letter-print-btn{padding:7px 15px;font:inherit;font-size:12.5px;font-weight:500;color:#fff;background:#2563eb;border:1px solid #2563eb;border-radius:9px;cursor:pointer;white-space:nowrap}.letter-export-btn{padding:7px 14px;font:inherit;font-size:12.5px;color:var(--ink-1,#343a48);background:transparent;border:1px solid var(--hair-12,rgba(11,15,26,.1));border-radius:9px;cursor:pointer;white-space:nowrap}.letter-export-btn:hover{border-color:rgba(37,99,235,.35);color:#2563eb}.letter-sheet{position:relative;box-sizing:border-box;width:210mm;min-height:297mm;margin:22px auto;padding:25mm 22mm;background:#fff;color:#101828;font-family:Sarabun,TH Sarabun New,"Noto Serif Thai",Georgia,Times New Roman,serif;font-size:15px;line-height:1.95;box-shadow:0 10px 40px -18px rgba(9,9,11,.3)}.letter-head{text-align:center;padding-bottom:14px;border-bottom:1.5px solid #101828}.letter-org{font-size:19px;font-weight:700;letter-spacing:.01em}.letter-org-sub{margin-top:3px;font-size:12.5px;color:#475467}.letter-meta{display:flex;justify-content:space-between;gap:16px;margin-top:16px;font-size:13px;color:#343a48}.letter-title{margin:26px 0 22px;font-size:20px;font-weight:700;text-align:center;text-decoration:underline;text-underline-offset:5px}.letter-to{margin:0 0 14px;font-size:15px}.letter-body{margin:0 0 14px;text-indent:2.5em;text-align:justify}.letter-sign{margin-top:40px;margin-left:auto;width:62mm;text-align:center}.letter-sign-role{font-size:13.5px}.letter-sign-org{font-size:12.5px;color:#475467}.letter-verify{display:flex;gap:12px;align-items:flex-start;margin-top:26px;padding:11px 13px;border:1px solid #d0d5dd;border-radius:6px;-moz-column-break-inside:avoid;break-inside:avoid;page-break-inside:avoid}.letter-qr-svg{flex-shrink:0;display:block}.letter-verify-text{min-width:0;font-family:var(--font);font-size:10px;line-height:1.55;color:#475467}.letter-verify-text strong{display:block;margin-bottom:2px;font-size:10.5px;font-weight:600;color:#101828}.letter-verify-url{display:block;margin-top:4px;font-family:var(--font-mono);font-size:8.5px;color:#667085;overflow-wrap:anywhere}.letter-foot{margin-top:30px;padding-top:10px;border-top:1px solid #e4e7ec;font-size:10.5px;line-height:1.6;color:#667085;text-align:center}.letter-draft{box-shadow:0 10px 40px -18px rgba(9,9,11,.22)}.letter-watermark{position:absolute;top:42%;left:0;right:0;z-index:0;font-size:84px;font-weight:700;letter-spacing:.12em;text-align:center;color:rgba(24,24,27,.05);transform:rotate(-24deg);pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.letter-draft>:not(.letter-watermark){position:relative;z-index:1}@media print{.no-print{display:none!important}.letter-sheet{width:auto;min-height:0;margin:0;padding:0;box-shadow:none}@page{size:A4;margin:22mm 20mm}}@media (max-width:240mm){.letter-sheet{width:auto;max-width:100%;margin:14px;padding:22px 18px;font-size:14px}.letter-sign{width:100%;max-width:62mm}}