'); return txt ? `
${txt}
` : '（未找到正文容器）
'; } function cleanContentNode(node, baseUrl) { const n = node.cloneNode(true); try { n.querySelectorAll('script,style,ins,.adsbygoogle,.ad,[class*="ad-"],.advert,[id^="hm_t_"],.recommend,.toolbar').forEach(e=>e.remove()); } catch {} n.querySelectorAll('img').forEach(img => { const src = img.getAttribute('src') || ''; try { img.src = new URL(src, baseUrl).href; } catch { img.src = src; } img.style.maxWidth = '100%'; }); n.querySelectorAll('a').forEach(a => { const href = safeHref(a.getAttribute('href') || ''); if (!href) { a.removeAttribute('href'); return; } try { a.href = new URL(href, baseUrl).href; } catch { a.href = href; } a.rel = 'noreferrer noopener'; }); return n.innerHTML || '（正文为空）
'; } // ========== 存储 ========== const LS_KEY_PANEL = 'cr_reader_panel_state'; const LS_KEY_PROGRESS = 'cr_reader_progress'; function savePanelState() { const rect = panel.getBoundingClientRect(); const data = { x: rect.left, y: rect.top, w: rect.width, h: rect.height }; try { localStorage.setItem(LS_KEY_PANEL, JSON.stringify(data)); } catch {} } function restorePanelState() { try { const raw = localStorage.getItem(LS_KEY_PANEL); if (!raw) return; const { x, y, w, h } = JSON.parse(raw); if (Number.isFinite(x) && Number.isFinite(y)) { panel.style.top = Math.max(2, Math.min(y, window.innerHeight - 50)) + 'px'; panel.style.left = Math.max(2, Math.min(x, window.innerWidth - 50)) + 'px'; panel.style.bottom = ''; panel.style.right = ''; } if (Number.isFinite(w) && Number.isFinite(h)) { const cw = Math.max(220, Math.min(w, window.innerWidth - 10)); const ch = Math.max(160, Math.min(h, window.innerHeight - 10)); panel.style.width = cw + 'px'; panel.style.height = ch + 'px'; } } catch {} } function clampIntoViewport() { const rect = panel.getBoundingClientRect(); let x = rect.left, y = rect.top, w = rect.width, h = rect.height; const maxX = window.innerWidth - w - 2; const maxY = window.innerHeight - h - 2; x = Math.max(2, Math.min(x, Math.max(2, maxX))); y = Math.max(2, Math.min(y, Math.max(2, maxY))); panel.style.left = x + 'px'; panel.style.top = y + 'px'; } window.addEventListener('resize', () => { clampIntoViewport(); savePanelState(); }); function saveProgress({ tocUrl, chapterUrl, seriesId }) { const bookBase = (state.profile?.deriveBookBase?.(tocUrl || chapterUrl)) || generic.deriveBookBase(tocUrl || chapterUrl) || ''; const payload = { tocUrl: tocUrl || null, chapterUrl: chapterUrl || null, seriesId: seriesId || null, bookBase, updatedAt: Date.now() }; try { localStorage.setItem(LS_KEY_PROGRESS, JSON.stringify(payload)); } catch {} } function getSavedProgress() { try { const raw = localStorage.getItem(LS_KEY_PROGRESS); if (!raw) return null; const o = JSON.parse(raw); if (!o || (!o.tocUrl && !o.chapterUrl)) return null; return o; } catch { return null; } } // ========== 抓取 ========== function decodeText(arrayBuffer, headersStr) { const lower = (headersStr || '').toLowerCase(); const m = lower.match(/charset\s*=\s*([^\s;]+)/); const fromHeader = m && m[1] ? m[1].replace(/["']/g,'').toLowerCase() : ''; const tryDec = enc => { try { return new TextDecoder(enc).decode(arrayBuffer); } catch { return null; } }; let text = null; if (/big5/.test(fromHeader)) text = tryDec('big5') || tryDec('utf-8'); else if (/gbk|gb18030|gb2312/.test(fromHeader)) text = tryDec('gbk') || tryDec('gb18030') || tryDec('utf-8'); else text = tryDec('utf-8') || tryDec('gbk') || tryDec('gb18030') || tryDec('big5'); if (!text) text = String.fromCharCode.apply(null, new Uint8Array(arrayBuffer)); const hint = (text.match(/