.pn-steps{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin:18px 0 22px;font-size:13px;color:var(--color-text-sub, #6b7280)}.pn-steps .pn-step{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--bg-item, #f4f6fb);border:1px solid var(--color-border-light, #e5e7eb)}.pn-steps .pn-step i{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;font-style:normal;font-size:12px;font-weight:700;background:var(--color-primary, #2563eb);color:#fff}.pn-steps .pn-step.active{background:var(--color-gradient, linear-gradient(135deg, #3b82f6, #8b5cf6));border-color:transparent;color:#fff;box-shadow:var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, .08))}.pn-steps .pn-step.active i{background:#ffffff47}.pn-steps .pn-step.done i{background:#12b76a}.pn-steps .pn-step.nav{cursor:pointer;transition:var(--transition, .3s)}.pn-steps .pn-step.nav:hover{background:var(--bg-item-hover, #eaeefb);border-color:var(--color-primary, #2563eb);color:var(--color-primary, #2563eb)}.pn-steps .arrow{color:var(--color-border-light, #e5e7eb)}.pn-keep-file{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin:16px 0 6px;padding:18px 20px;font-size:16px;line-height:1.5;color:var(--color-text-main, #111827);background:var(--bg-item, #f4f6fb);border:1px solid var(--color-border-light, #e5e7eb);border-radius:12px}.pn-keep-file .pn-keep-name{word-break:break-all;font-size:16px}.pn-keep-file .pn-keep-btn{flex:0 0 auto;padding:9px 26px;font-size:15px;font-weight:600;color:#fff;background:var(--color-gradient, linear-gradient(135deg, #3b82f6, #8b5cf6));border:none;border-radius:999px;cursor:pointer;box-shadow:0 4px 10px -3px #7c3aed66;transition:var(--transition, .3s)}.pn-keep-file .pn-keep-btn:hover{filter:brightness(1.05)}#pagenumberMain{display:flex;gap:24px;align-items:flex-start;width:100%;max-width:1400px;margin:0 auto;padding:0 16px;box-sizing:border-box}#previewPanel{flex:1;min-width:0;background:var(--bg-soft, #f4f6fb);border-radius:12px;padding:16px}#previewToolbar{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}#previewToolbar .preview-filename{flex:1 1 200px;min-width:0;font-size:13px;font-weight:600;color:var(--text-sub, #6b7280);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#previewPanel #itemCollection{display:flex;flex-direction:column;align-items:center;gap:16px;max-height:78vh;overflow-y:auto;padding:8px}#previewPanel .pdf-page-wrapper{position:relative;flex-shrink:0;box-shadow:0 4px 18px #1e29522e;border-radius:4px;overflow:hidden;line-height:0}#previewPanel .pdf-page-wrapper canvas{display:block;max-width:100%;height:auto}#previewPanel .pdf-page-wrapper canvas.pn-canvas{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none}#settingsPanel{width:320px;flex-shrink:0;position:sticky;top:84px}.settings-inner{background:#fff;border:1px solid #e6e9f2;border-radius:14px;padding:20px;box-shadow:0 8px 30px #2563eb12}html.dark .settings-inner,body.dark .settings-inner{background:#1e2438;border-color:#2c3350}.settings-title{font-size:17px;font-weight:700;margin:0 0 16px;background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}.setting-block{margin-bottom:14px}.setting-label{display:block;font-size:13px;color:#4a5578;margin-bottom:6px;font-weight:600}html.dark .setting-label,body.dark .setting-label{color:#aab3d0}.setting-tip{font-size:12px;color:#8a93b2;margin-top:6px;line-height:1.5}.input-wrap{display:flex;align-items:center;gap:6px}.input-wrap .hint{font-size:12px;color:#8a93b2;white-space:nowrap}#settingsPanel input[type=number],#settingsPanel input[type=text],#settingsPanel select{width:100%;padding:8px 10px;border:1px solid #dfe3ef;border-radius:8px;font-size:14px;outline:none;transition:border-color .4s,box-shadow .4s;box-sizing:border-box;background:#fff;color:inherit}html.dark #settingsPanel input,html.dark #settingsPanel select,body.dark #settingsPanel input,body.dark #settingsPanel select{background:#161b2e;border-color:#39415f}#settingsPanel input:focus,#settingsPanel select:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1f}#settingsPanel input[type=color]{width:100%;height:38px;padding:2px;border:1px solid #dfe3ef;border-radius:8px;background:#fff;cursor:pointer;box-sizing:border-box}#settingsPanel input[type=range]{width:100%;accent-color:#7c3aed}.setting-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.pos-cell{border:1px solid #dfe3ef;border-radius:8px;background:#fbfcff;padding:6px;cursor:pointer;transition:all .5s}.pos-cell:hover{border-color:#7c3aed}.pos-cell.selected{border-color:#2563eb;background:linear-gradient(135deg,#2563eb1a,#7c3aed1a);box-shadow:0 0 0 2px #2563eb40}html.dark .pos-cell,body.dark .pos-cell{background:#161b2e;border-color:#39415f}.pos-page{display:block;position:relative;width:100%;padding-top:135%;border:1px solid #cdd3e4;border-radius:3px;background:#fff}.pos-page i{position:absolute;width:26%;padding-top:26%;border-radius:50%;background:linear-gradient(135deg,#2563eb,#7c3aed)}.pos-cell[data-pos=tl] .pos-page i{left:6%;top:6%}.pos-cell[data-pos=tc] .pos-page i{left:37%;top:6%}.pos-cell[data-pos=tr] .pos-page i{right:6%;top:6%}.pos-cell[data-pos=bl] .pos-page i{left:6%;bottom:6%}.pos-cell[data-pos=bc] .pos-page i{left:37%;bottom:6%}.pos-cell[data-pos=br] .pos-page i{right:6%;bottom:6%}.bgstyle-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.bg-cell{display:flex;flex-direction:column;align-items:center;gap:6px;border:1px solid #dfe3ef;border-radius:8px;background:#fbfcff;padding:10px 4px 8px;cursor:pointer;transition:all .5s;color:inherit}html.dark .bg-cell,body.dark .bg-cell{background:#161b2e;border-color:#39415f}.bg-cell:hover{border-color:#7c3aed}.bg-cell.selected{border-color:#2563eb;background:linear-gradient(135deg,#2563eb1a,#7c3aed1a);box-shadow:0 0 0 2px #2563eb40}.bg-demo{display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#333}.bg-demo.bg-none{width:26px;height:26px}.bg-demo.bg-circle{width:26px;height:26px;border-radius:50%;background:#000;color:#fff}.bg-demo.bg-square{min-width:26px;height:26px;padding:0 6px;border-radius:6px;background:#000;color:#fff}.bg-name{font-size:12px;color:#4a5578}html.dark .bg-name,body.dark .bg-name{color:#aab3d0}.settings-submit{width:100%;padding:12px;font-size:15px;border-radius:10px}.settings-inner>.settings-submit{margin-bottom:18px}.settings-submit.downloading{opacity:.55;cursor:not-allowed;filter:grayscale(.4)}.pagenumber-status{margin-top:10px;font-size:13px;color:#2563eb;text-align:center;line-height:1.6;word-break:break-all}.pagenumber-status.error{color:#dc2626}.upload-status{margin-top:8px;font-size:13px;color:#4a5578;text-align:center}@media(max-width:1000px){#pagenumberMain{flex-direction:column-reverse}#settingsPanel{width:100%;position:static}}