.bkbg-pdf-wrap{--bkbg-pdf-radius:8px;--bkbg-pdf-border:#e5e7eb;--bkbg-pdf-bw:1px;--bkbg-pdf-bg:#f9fafb;--bkbg-pdf-dl-bg:#2563eb;--bkbg-pdf-dl-clr:#ffffff;--bkbg-pdf-width:100%;width:var(--bkbg-pdf-width);max-width:100%;box-sizing:border-box}.bkbg-pdf-viewer{width:100%;background:var(--bkbg-pdf-bg);border:var(--bkbg-pdf-bw) solid var(--bkbg-pdf-border);border-radius:var(--bkbg-pdf-radius);overflow:hidden;position:relative}.bkbg-pdf-iframe{width:100%;height:100%;border:none;display:block}.bkbg-pdf-fallback{text-align:center;padding:32px 16px;color:#6b7280;font-size:14px}.bkbg-pdf-fallback a{color:var(--bkbg-pdf-dl-bg);font-weight:600}.bkbg-pdf-footer{margin-top:12px;display:flex;align-items:center}.bkbg-pdf-download{display:inline-flex;align-items:center;gap:6px;background:var(--bkbg-pdf-dl-bg);color:var(--bkbg-pdf-dl-clr);padding:9px 20px;border-radius:6px;font-family:var(--bkbg-pdf-dl-ff,inherit);font-size:var(--bkbg-pdf-dl-fs,14px);font-weight:var(--bkbg-pdf-dl-fw,600);font-style:var(--bkbg-pdf-dl-fst,normal);text-decoration:var(--bkbg-pdf-dl-td,none);text-transform:var(--bkbg-pdf-dl-tt,none);letter-spacing:var(--bkbg-pdf-dl-ls,normal);line-height:var(--bkbg-pdf-dl-lh,1.4);transition:opacity 0.2s}.bkbg-pdf-download:hover{opacity:.85;color:var(--bkbg-pdf-dl-clr)}.bkbg-pdf-dl-icon{width:18px;height:18px;fill:currentColor;flex-shrink:0}@media (max-width:1024px){.bkbg-pdf-download{font-size:var(--bkbg-pdf-dl-fs-tab,var(--bkbg-pdf-dl-fs,14px))}}@media (max-width:767px){.bkbg-pdf-download{font-size:var(--bkbg-pdf-dl-fs-mob,var(--bkbg-pdf-dl-fs-tab,var(--bkbg-pdf-dl-fs,14px)))}}.bkbg-pdf-placeholder{border:2px dashed #d1d5db;border-radius:var(--bkbg-pdf-radius);background:#f9fafb;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 24px;text-align:center;color:#6b7280;font-size:14px}.bkbg-pdf-placeholder-icon{opacity:.35}.bkbg-pdf-placeholder-icon svg{width:48px;height:48px}.bkbg-pdf-no-source{text-align:center;color:#9ca3af;font-size:14px;padding:24px}