.lp-ed{--blue:#3254ef;--deep:#1e2563;--ink:#1a2b47;--muted:#5b6b85;--faint:#8a97ad;--paper:#ffffff;--tint:#f4f5ff;--sunk:#eef2f8;--line:rgba(26,43,71,.12);--line-strong:rgba(26,43,71,.22);--on-blue:#ffffff;--on-blue-soft:rgba(255,255,255,.76);--on-blue-line:rgba(255,255,255,.22);--app-bg:#f3f6fb;--app-line:#e2e8f0;--app-ink:#0f172a;--app-muted:#64748b;--app-faint:#94a3b8;--app-blue:#2563eb;--app-blue-soft:#eef3ff;--app-blue-line:#c7d6fe;--ok:#059669;--ok-soft:#ecfdf5;--warn:#b45309;--warn-soft:#fffbeb;--del:#be123c;--del-soft:#fff1f2;--pencil:#1f2937;--font:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--app:"Nunito Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--sheet:"Nunito Sans",Georgia,serif;color-scheme:light}.lp-ed .hero{background:var(--blue);color:var(--on-blue);overflow:hidden}.lp-ed .hero-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:48px;align-items:center;padding-block:64px 0}.lp-ed .hero .eyebrow{color:var(--on-blue-soft)}.lp-ed .hero h1{font-size:clamp(2.5rem,4.6vw,4rem);margin-top:22px;max-width:13ch;letter-spacing:-.04em}.lp-ed .hero-lede{margin-top:24px;font-size:1.08rem;color:var(--on-blue-soft);max-width:44ch}.lp-ed .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:32px}.lp-ed .hero-stage{align-self:end;margin-right:calc(-1*clamp(16px,4.2vw,48px) - 220px)}.lp-ed .ed{font-family:var(--app);background:var(--app-bg);color:var(--app-ink);border-radius:14px 14px 0 0;overflow:hidden;box-shadow:0 30px 60px -28px #0f172a99;font-size:13px;line-height:1.45}.lp-ed .ed-top{display:flex;align-items:center;gap:12px;background:#fff;border-bottom:1px solid var(--app-line);padding:10px 16px;white-space:nowrap}.lp-ed .ed-top .back{color:var(--app-muted);font-weight:700;font-size:12px}.lp-ed .ed-top b{font-size:15px;font-weight:800;overflow:hidden;text-overflow:ellipsis}.lp-ed .pill{font-size:11px;font-weight:700;border:1px solid var(--app-line);border-radius:999px;padding:1px 8px;color:var(--app-muted)}.lp-ed .ed-top .sp{flex:1}.lp-ed .ed-btn{border:1px solid var(--app-line);background:#fff;border-radius:8px;padding:6px 12px;font-weight:700;font-size:12px;color:#334155}.lp-ed .ed-btn.pri{background:var(--app-blue);border-color:var(--app-blue);color:#fff}.lp-ed .ed-bar{display:flex;align-items:center;gap:6px;margin:10px 16px 0;background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:6px 10px;white-space:nowrap;overflow:hidden;font-size:12px;font-weight:700;color:#334155}.lp-ed .ed-bar span{padding:5px 8px;border-radius:7px}.lp-ed .ed-bar .ok{color:var(--ok)}.lp-ed .ed-bar .on{background:var(--app-blue-soft);color:var(--app-blue)}.lp-ed .ed-bar i{width:1px;height:18px;background:var(--app-line);margin-inline:4px}.lp-ed .ed-bar small{font-size:10px;color:var(--app-faint);background:#f1f5f9;border-radius:99px;padding:1px 6px;margin-left:4px}.lp-ed .ed-body{display:grid;grid-template-columns:150px minmax(0,1fr) 210px;gap:16px;padding:14px 16px 0;align-items:start}.lp-ed .rail{background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:8px;display:grid;gap:2px;font-size:12px;font-weight:700;color:#334155}.lp-ed .rail .h{font-size:10px;letter-spacing:.12em;color:var(--app-muted);padding:6px 8px 8px}.lp-ed .rail button,.lp-ed .rail span{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:8px;border:0;background:none;text-align:left;font:inherit;color:inherit;width:100%}.lp-ed .rail button{cursor:pointer}.lp-ed .rail button:hover{background:#f1f5f9}.lp-ed .rail button[aria-pressed=true]{background:var(--app-blue-soft);color:var(--app-blue)}.lp-ed .rail .sep{height:1px;background:var(--app-line);margin:4px 2px;padding:0}.lp-ed .rail .new{color:var(--app-blue)}.lp-ed .rail svg{width:15px;height:15px;flex-shrink:0}.lp-ed .sheet{background:#fff;border:1px solid #e5e9f0;min-height:420px;padding:28px 34px;font-family:var(--sheet);color:#111827;box-shadow:0 1px 2px #0f172a0d}.lp-ed .cover-k{font-size:9px;letter-spacing:.18em;color:#64748b;text-align:center}.lp-ed .cover-t{font-size:19px;font-weight:800;text-align:center;margin-top:6px;letter-spacing:-.01em}.lp-ed .cover-m{font-size:11px;color:#475569;text-align:center;margin-top:4px}.lp-ed .cover-rule{border-top:2px solid #111827;margin:14px 0 12px}.lp-ed .cover-grid{display:grid;grid-template-columns:2fr 1fr;border:1px solid #cbd5e1;font-size:8.5px;color:#475569}.lp-ed .cover-grid div{padding:5px 7px 12px;border-right:1px solid #cbd5e1}.lp-ed .cover-grid div:last-child{border-right:0}.lp-ed .q{position:relative;margin-top:18px;padding:10px 12px;border-radius:4px}.lp-ed .q.sel{outline:1.5px solid #93b4fb;background:#f5f8ff;box-shadow:inset 3px 0 0 var(--app-blue)}.lp-ed .q-st{font-size:12.5px;line-height:1.5}.lp-ed .q-st b{margin-right:6px}.lp-ed .alts{display:grid;gap:7px;margin:10px 0 0 22px;font-size:12.5px}.lp-ed .alts.cols{grid-template-columns:1fr 1fr}.lp-ed .alt{display:flex;align-items:center;gap:8px}.lp-ed .alt i{font-style:normal;width:18px;height:18px;border-radius:50%;border:1.2px solid #64748b;display:grid;place-items:center;font-size:8.5px;font-weight:800;color:#475569;flex-shrink:0}.lp-ed .alt.key i{border-color:var(--ok);color:var(--ok)}.lp-ed .lines{margin:10px 0 0 22px}.lp-ed .lines i{display:block;border-bottom:1px solid #cbd5e1;height:20px}.lp-ed .fig{margin:10px 0 0 22px}.lp-ed .fig svg{display:block;max-width:100%;height:auto}.lp-ed .stim{margin-top:16px;padding:10px 12px;border-left:3px solid #cbd5e1;background:#f8fafc}.lp-ed .stim h5{margin:0;font-size:12px}.lp-ed .stim small{display:block;font-size:10px;color:#64748b;margin:2px 0 6px}.lp-ed .stim p{font-size:12px}.lp-ed .insp{background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:12px;font-size:12px}.lp-ed .insp .h{font-size:10px;letter-spacing:.12em;color:var(--app-muted)}.lp-ed .insp b.t{display:block;font-size:13px;margin-top:2px}.lp-ed .insp .row{display:grid;grid-template-columns:1fr 64px;gap:8px;margin-top:12px}.lp-ed .insp label{display:block;font-size:9.5px;letter-spacing:.1em;color:var(--app-muted);margin-bottom:4px}.lp-ed .insp .box{border:1px solid var(--app-line);border-radius:8px;padding:6px 8px;font-weight:700;font-size:12px;background:#fff}.lp-ed .insp .oa{margin-top:12px;border-top:1px solid var(--app-line);padding-top:10px}.lp-ed .insp .oa p{font-size:11px;color:#334155;line-height:1.45;margin-top:6px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.lp-ed .insp .oa p b{color:var(--app-blue)}.lp-ed .play{display:grid;grid-template-columns:170px minmax(0,1fr) 220px;gap:16px;align-items:start;background:var(--app-bg);border:1px solid var(--line);border-radius:18px;padding:16px;font-family:var(--app);font-size:13px}.lp-ed .play .sheet{min-height:0}.lp-ed .play-hint{font-size:.8rem;color:var(--muted);margin-top:12px}.lp-ed .ia{background:var(--deep);color:#fff}.lp-ed .ia .eyebrow{color:#9fb0ff}.lp-ed .ia .sec-head p{color:#ffffffbd}.lp-ed .ia-grid{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start}.lp-ed .ia-tabs{display:grid;gap:6px}.lp-ed .ia-tab{display:block;text-align:left;width:100%;border:1px solid rgba(255,255,255,.18);background:transparent;border-radius:12px;padding:14px 16px;cursor:pointer;color:#fff}.lp-ed .ia-tab b{display:block;font-size:.98rem}.lp-ed .ia-tab span{display:block;font-size:.8rem;color:#ffffffa8;margin-top:2px}.lp-ed .ia-tab:hover{background:#ffffff0f}.lp-ed .ia-tab[aria-selected=true]{background:#fff;color:var(--ink);border-color:#fff}.lp-ed .ia-tab[aria-selected=true] span{color:var(--muted)}.lp-ed .dlg{font-family:var(--app);background:#fff;color:var(--app-ink);border-radius:16px;overflow:hidden;font-size:13px;min-height:440px;display:flex;flex-direction:column}.lp-ed .dlg-h{display:flex;gap:12px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--app-line)}.lp-ed .dlg-h .ic{width:36px;height:36px;border-radius:10px;border:1px solid var(--app-blue-line);display:grid;place-items:center;color:var(--app-blue);flex-shrink:0}.lp-ed .dlg-h b{display:block;font-size:15px}.lp-ed .dlg-h small{display:block;color:var(--app-muted);font-size:12px}.lp-ed .dlg-b{padding:18px 20px;flex:1;display:grid;gap:14px;align-content:start;background:#f8fafc}.lp-ed .dlg-f{display:flex;justify-content:flex-end;align-items:center;gap:8px;padding:12px 20px;border-top:1px solid var(--app-line);flex-wrap:wrap}.lp-ed .dlg-f small{margin-right:auto;color:var(--app-muted);font-size:11.5px}.lp-ed .fld label{display:block;font-size:11px;font-weight:800;color:#334155;margin-bottom:4px}.lp-ed .fld .in{border:1px solid var(--app-line);border-radius:8px;background:#fff;padding:8px 10px;color:#334155;font-size:12.5px}.lp-ed .chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--app-blue-line);background:var(--app-blue-soft);color:#1e40af;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:700}.lp-ed .card{background:#fff;border:1px solid var(--app-line);border-radius:12px;padding:14px}.lp-ed .card .k{font-size:10px;letter-spacing:.12em;color:var(--app-muted);font-weight:800}.lp-ed .ok-line{display:flex;align-items:center;gap:8px;color:var(--ok);font-weight:800;font-size:12.5px}.lp-ed .two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.lp-ed .two>*{min-width:0}.lp-ed table.rub{border-collapse:collapse;width:100%;font-size:12px;background:#fff}.lp-ed .rub th,.lp-ed .rub td{border:1px solid var(--app-line);padding:8px 10px;vertical-align:top;text-align:left}.lp-ed .rub th{background:#f1f5f9;font-size:11px}.lp-ed .turn{display:grid;grid-template-columns:52px minmax(0,1fr) 18px;align-items:center;transition:border-color .25s,background .25s;gap:10px;background:#fff;border:1px solid var(--app-line);border-radius:10px;padding:9px 12px;font-size:12.5px}.lp-ed .turn b{color:#1d4ed8}.lp-ed .audio{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--app-line);border-radius:10px;padding:10px 12px}.lp-ed .audio .play-b{width:30px;height:30px;border-radius:50%;background:var(--app-blue);display:grid;place-items:center;flex-shrink:0}.lp-ed .audio .wave{flex:1;display:flex;align-items:center;gap:2px;height:28px}.lp-ed .audio .wave i{flex:1;background:#c7d6fe;border-radius:2px;transition:background .2s}.lp-ed .subj-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.lp-ed .subj-tabs button{border:1px solid var(--line-strong);background:#fff;border-radius:999px;padding:9px 18px;font-weight:700;font-size:.9rem;cursor:pointer;color:var(--muted)}.lp-ed .subj-tabs button[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}.lp-ed .subj{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}.lp-ed .tools{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.lp-ed .tool{padding:14px 16px 14px 0;border-bottom:1px solid var(--line)}.lp-ed .tool:nth-child(2n){padding-left:16px;border-left:1px solid var(--line)}.lp-ed .tool b{display:block;font-size:.92rem}.lp-ed .tool span{display:block;font-size:.8rem;color:var(--muted);margin-top:2px;line-height:1.45}.lp-ed .tool small{display:block;font-size:.72rem;color:var(--faint);margin-top:4px}.lp-ed .tools.one{grid-template-columns:1fr}.lp-ed .tools.one .tool:nth-child(2n){padding-left:0;border-left:0}.lp-ed .print{background:#fff;border:1px solid var(--line);border-radius:4px;padding:30px 34px;box-shadow:0 18px 40px -26px #1a2b4773;font-family:var(--sheet);color:#111827;font-size:13.5px}.lp-ed .print .q-st{font-size:13.5px}.lp-ed .print svg{display:block;width:100%;height:auto;margin-top:12px}.lp-ed .everywhere{margin-top:26px;font-size:.88rem;color:var(--muted)}.lp-ed .everywhere b{color:var(--ink)}.lp-ed .mejora{background:var(--tint)}.lp-ed .tag{font-size:10.5px;font-weight:800;border-radius:99px;padding:2px 8px}.lp-ed .tag.n{background:#f1f5f9;color:#475569}.lp-ed .lib{font-family:var(--app);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#f3f6fb}.lp-ed .lib-h{background:#4066e0;color:#fff;padding:22px 24px 46px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-end}.lp-ed .lib-h small{font-size:10px;letter-spacing:.14em;opacity:.8}.lp-ed .lib-h b{display:block;font-size:22px;letter-spacing:-.02em;margin-top:4px}.lp-ed .lib-h .acts{display:flex;gap:8px;flex-wrap:wrap}.lp-ed .lib-h .acts span{border:1px solid rgba(255,255,255,.4);border-radius:8px;padding:7px 12px;font-size:12px;font-weight:700}.lp-ed .lib-h .acts span.w{background:#fff;color:#2563eb;border-color:#fff}.lp-ed .lib-card{background:#fff;border:1px solid var(--app-line);border-radius:14px;margin:-30px 16px 16px;overflow:hidden}.lp-ed .lib-tabs{display:flex;gap:4px;padding:8px;background:#eef2f8;border-bottom:1px solid var(--app-line);font-size:12.5px;font-weight:700;color:#475569;flex-wrap:wrap}.lp-ed .lib-tabs span{padding:6px 12px;border-radius:8px}.lp-ed .lib-tabs span.on{background:#fff;color:#2563eb}.lp-ed .lib-row{display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:16px;align-items:center;padding:14px 16px;border-top:1px solid var(--app-line)}.lp-ed .lib-row:first-of-type{border-top:0}.lp-ed .thumb{width:70px;height:90px;border:1px solid var(--app-line);border-radius:6px;background:#fff;padding:7px;display:grid;gap:4px;align-content:start}.lp-ed .thumb i{display:block;height:3px;background:#e2e8f0;border-radius:2px}.lp-ed .thumb i.t{height:5px;background:#94a3b8;width:70%}.lp-ed .lib-row small{font-size:11px;font-weight:700}.lp-ed .lib-row small.d{color:#c2410c}.lp-ed .lib-row small.r{color:#047857}.lp-ed .lib-row b{display:block;font-size:14px;margin-top:2px}.lp-ed .lib-row p{font-size:12px;color:var(--app-muted)}.lp-ed .lib-row .go{background:var(--app-blue);color:#fff;border-radius:8px;padding:7px 12px;font-size:12px;font-weight:800;white-space:nowrap}.lp-ed .lib-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}.lp-ed .lib-copy h2{font-size:clamp(2rem,3.6vw,3rem);margin-top:14px;max-width:14ch}.lp-ed .lib-copy p{color:var(--muted);margin-top:16px;max-width:44ch}.lp-ed .lib-copy a{display:inline-block;margin-top:18px;color:var(--blue);font-weight:800;text-decoration:none}.lp-ed .faq-grid>div>p{color:var(--muted);margin-top:14px}.lp-ed details[open] summary span{transform:rotate(45deg)}@media(max-width:1180px){.lp-ed .hero-stage{margin-right:calc(-1*clamp(16px,4.2vw,48px) - 320px)}}@media(max-width:1024px){.lp-ed .hero-grid{grid-template-columns:minmax(0,1fr);gap:8px;padding-top:52px}.lp-ed .hero-copy{padding-bottom:28px}.lp-ed .hero-stage{margin-right:calc(-1*clamp(16px,4.2vw,48px));overflow:hidden}.lp-ed .ed{min-width:820px}.lp-ed .ia-grid,.lp-ed .subj,.lp-ed .lib-grid{grid-template-columns:minmax(0,1fr);gap:28px}.lp-ed .play{grid-template-columns:150px minmax(0,1fr)}.lp-ed .play .insp{grid-column:1/-1}.lp-ed .ia-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.lp-ed .nav-login{display:none}.lp-ed .play{grid-template-columns:minmax(0,1fr);padding:10px}.lp-ed .play .rail{grid-template-columns:repeat(2,minmax(0,1fr))}.lp-ed .play .rail .h,.lp-ed .play .rail .sep{grid-column:1/-1}.lp-ed .sheet{padding:18px 16px}.lp-ed .ia-tabs,.lp-ed .two,.lp-ed .tools{grid-template-columns:minmax(0,1fr)}.lp-ed .tool:nth-child(2n){padding-left:0;border-left:0}.lp-ed .print{padding:20px 16px}.lp-ed .lib-row{grid-template-columns:52px minmax(0,1fr)}.lp-ed .lib-row .go{grid-column:2;justify-self:start}.lp-ed .thumb{width:52px;height:68px}}.lp-ed .hero-copy{padding-bottom:72px}.lp-ed .ed{border-radius:0}.lp-ed .hero-stage>.screen{border-radius:14px 14px 0 0;box-shadow:0 30px 60px -28px #0f172a99}.lp-ed .screen .play{border:0;border-radius:0}.lp-ed .ia .screen{min-height:440px;display:flex;flex-direction:column}.lp-ed .play-hint{font-family:var(--font)}.lp-ed [data-step="0"] *{transition:none!important}.lp-ed .tx-stage{display:grid;grid-template-columns:minmax(0,.95fr) 104px minmax(0,1.05fr);align-items:center}.lp-ed .tx-scan{background:#e4e9f1;border:1px solid var(--line);border-radius:16px;padding:14px 22px 30px}.lp-ed .tx-file{display:flex;align-items:center;gap:8px;font:700 12px var(--app);color:#475569;margin-bottom:14px}.lp-ed .tx-file .pdf{background:#dc2626;color:#fff;border-radius:4px;padding:1px 6px;font-size:10px;font-weight:800}.lp-ed .tx-file span:last-child{margin-left:auto;color:#94a3b8;font-weight:600}.lp-ed .tx-paper{background:#fbfaf5;padding:18px 28px 24px;font-family:Times New Roman,Times,serif;color:#2b2b2b;font-size:14px;line-height:1.45;box-shadow:0 16px 30px -18px #0f172a80;transform:rotate(-.7deg)}.lp-ed .tx-ph{color:#777}.lp-ed .tx-q{position:relative;margin:16px 0}.lp-ed #txScanFig svg{display:block;width:100%;height:auto;margin:8px 0;filter:grayscale(1) contrast(1.1) blur(.25px)}.lp-ed .tx-q .ops{display:grid;grid-template-columns:1fr 1fr;gap:2px 16px;padding-left:14px}.lp-ed .tx-sel{position:absolute;inset:-8px -12px;pointer-events:none}.lp-ed .tx-box{position:absolute;inset:0;border:2px solid #2563eb;background:#2563eb12;border-radius:4px;clip-path:inset(0 0 0 0);transition:clip-path 1.5s cubic-bezier(.45,0,.2,1)}.lp-ed .tx-sel em{position:absolute;left:-12px;top:-12px;width:22px;height:22px;border-radius:50%;background:#1d4ed8;color:#fff;font:800 11px var(--app);font-style:normal;display:grid;place-items:center;transition:opacity .3s}.lp-ed .tx-chip{position:absolute;right:-2px;bottom:calc(100% + 6px);background:#1d4ed8;color:#fff;font:700 11px var(--app);border-radius:6px;padding:3px 9px;white-space:nowrap;transition:opacity .3s}.lp-ed .tx-beam{position:absolute;left:-12px;right:-12px;top:-8px;height:34px;background:linear-gradient(to bottom,#2563eb00,#2563eb3d);border-bottom:2px solid #3b82f6;opacity:0;pointer-events:none}.lp-ed .tx-cur{position:absolute;left:100%;top:100%;width:22px;height:22px;margin:4px 0 0 4px;opacity:0;transition:left 1.5s cubic-bezier(.45,0,.2,1),top 1.5s cubic-bezier(.45,0,.2,1),opacity .3s;z-index:2}.lp-ed .tx-mid{position:relative;height:150px}.lp-ed .tx-mid:before{content:"";position:absolute;left:14px;right:18px;top:50%;border-top:2px dashed #aebcf5}.lp-ed .tx-mid:after{content:"";position:absolute;right:12px;top:calc(50% - 6px);border:6px solid transparent;border-left:9px solid #aebcf5;border-right:0}.lp-ed .tx-mid span{position:absolute;left:50%;background:#fff;border:1px solid var(--app-blue-line);color:#1d4ed8;font:800 11px var(--app);border-radius:999px;padding:3px 10px;white-space:nowrap;opacity:0;transform:translate(-50%,-50%)}.lp-ed .tx-mid span:nth-child(1){top:22%}.lp-ed .tx-mid span:nth-child(2){top:50%;animation-delay:.18s!important}.lp-ed .tx-mid span:nth-child(3){top:78%;animation-delay:.36s!important}.lp-ed .tx-ed{position:relative}.lp-ed .tx-sheet{background:#fff;padding:20px 26px 24px;font-family:var(--sheet);color:#111827;min-height:470px}.lp-ed .tx-sheet .cover-t{font-size:16px}.lp-ed .tx-sheet .q{margin-top:12px}.lp-ed .tx-new{position:relative;min-height:330px}.lp-ed .tx-skel{position:absolute;inset:14px 12px auto;display:grid;gap:10px;opacity:0;transition:opacity .3s}.lp-ed .tx-skel i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,#eef2f8,#dfe6f3,#eef2f8);background-size:200% 100%;animation:skel 1s linear infinite}.lp-ed .tx-skel i:nth-child(2){width:86%}.lp-ed .tx-skel i:nth-child(3){height:120px}.lp-ed .tx-skel i:nth-child(4){width:60%}.lp-ed .tx-hl{border-radius:2px;transition:background .3s}.lp-ed .tx[data-step="5"] .tx-hl{background:#bfd3fe}.lp-ed .tx-q2 .caret{display:inline-block;width:1.5px;height:1.1em;background:var(--app-blue);vertical-align:-2px;margin-left:2px;opacity:0}.lp-ed .tx-steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px;border-top:2px solid var(--ink)}.lp-ed .tx-steps li{padding:14px 18px 0 0;color:var(--muted);font-size:.88rem;transition:color .3s}.lp-ed .tx-steps li+li{padding-left:18px;border-left:1px solid var(--line)}.lp-ed .tx-steps b{display:block;color:var(--ink);font-size:1rem}.lp-ed .tx-steps li:before{content:attr(data-n);display:block;color:var(--blue);font-weight:800;font-size:.8rem}.lp-ed .tx[data-step="0"] .tx-box{clip-path:inset(0 100% 100% 0)}.lp-ed .tx[data-step="0"] .tx-cur{left:0;top:0;opacity:1}.lp-ed .tx[data-step="1"] .tx-cur{opacity:1}.lp-ed .tx:is([data-step="0"],[data-step="1"]) :is(.tx-sel em,.tx-chip){opacity:0}.lp-ed .tx[data-step="2"] .tx-beam{animation:txbeam 1.3s ease-in-out both}.lp-ed .tx[data-step="3"] .tx-mid span{animation:txfly 1.2s ease-in-out both}.lp-ed .tx[data-step="3"] .tx-skel{opacity:1}.lp-ed .tx:is([data-step="0"],[data-step="1"],[data-step="2"],[data-step="3"]) .tx-q2{visibility:hidden}.lp-ed .tx[data-step="4"] .tx-q2>*{animation:txin .5s ease both}.lp-ed .tx[data-step="4"] .tx-q2>:nth-child(2){animation-delay:.2s}.lp-ed .tx[data-step="4"] .tx-q2>:nth-child(3){animation-delay:.4s}.lp-ed .tx[data-step="4"] .caret{animation:caret 1s steps(1) .8s infinite}.lp-ed .tx[data-step="0"] .tx-steps li[data-n="1"],.lp-ed .tx:is([data-step="1"],[data-step="2"]) .tx-steps li[data-n="2"],.lp-ed .tx:is([data-step="3"],[data-step="4"],[data-step="5"]) .tx-steps li[data-n="3"]{color:var(--ink)}.lp-ed .tx:not([data-step="5"]) .tx-steps li{color:var(--faint)}.lp-ed .tx[data-step="0"] .tx-steps li[data-n="1"] b,.lp-ed .tx:is([data-step="1"],[data-step="2"]) .tx-steps li[data-n="2"] b,.lp-ed .tx:is([data-step="3"],[data-step="4"]) .tx-steps li[data-n="3"] b{color:var(--blue)}@keyframes txbeam{0%{top:-8px;opacity:0}15%,85%{opacity:1}to{top:calc(100% - 26px);opacity:0}}@keyframes txfly{0%{opacity:0;transform:translate(-130%,-50%)}25%,70%{opacity:1}to{opacity:0;transform:translate(30%,-50%)}}@keyframes txin{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes caret{50%{opacity:1}}@keyframes skel{to{background-position:-200% 0}}.lp-ed .ia .screen{display:flex;flex-direction:column}.lp-ed #iaPanel{flex:1;display:flex}.lp-ed #iaPanel .dlg{flex:1;border-radius:0}.lp-ed .turn.on{border-color:var(--app-blue-line);background:var(--app-blue-soft)}.lp-ed .eq{display:inline-flex;gap:2px;align-items:flex-end;height:14px;opacity:0;transition:opacity .2s}.lp-ed .eq b{width:3px;height:40%;background:var(--app-blue);border-radius:2px}.lp-ed .on .eq{opacity:1}.lp-ed .on .eq b{animation:eq .6s ease-in-out infinite alternate}.lp-ed .on .eq b:nth-child(2){animation-delay:-.2s}.lp-ed .on .eq b:nth-child(3){animation-delay:-.4s}.lp-ed .audio .wave i.done{background:var(--app-blue)}.lp-ed .audio .wave i.now{background:var(--app-blue);animation:wv .35s ease-in-out infinite alternate}.lp-ed .play-b .pa,.lp-ed .play-b.on .pl{display:none}.lp-ed .play-b.on .pa{display:block}@keyframes eq{0%{height:25%}to{height:100%}}@keyframes wv{to{transform:scaleY(1.4)}}.lp-ed .ls{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px -26px #1a2b4773;padding:20px;font-family:var(--app);color:var(--app-ink);font-size:13px;display:grid;gap:14px}.lp-ed .ls-h{display:flex;gap:12px;align-items:center}.lp-ed .ls-h .ic{width:38px;height:38px;border-radius:10px;background:var(--app-blue-soft);color:var(--app-blue);display:grid;place-items:center;font-size:17px;flex-shrink:0}.lp-ed .ls-h b{display:block;font-size:15px}.lp-ed .ls-h small{display:block;color:var(--app-muted);font-size:12px}.lp-ed .ls-chat{display:grid;gap:10px}.lp-ed .bub{max-width:84%;justify-self:start;border:1px solid var(--app-line);background:#f8fafc;border-radius:14px 14px 14px 4px;padding:10px 14px;opacity:.55;transition:opacity .3s,border-color .3s,background .3s}.lp-ed .bub.r{justify-self:end;border-radius:14px 14px 4px}.lp-ed .bub.on{opacity:1;border-color:var(--app-blue-line);background:var(--app-blue-soft)}.lp-ed .bub .who{display:flex;align-items:center;gap:8px;font-weight:800;color:#1d4ed8;font-size:12px}.lp-ed .bub .who em{font-style:normal;color:var(--app-muted);font-weight:600;font-size:11px}.lp-ed .bub .eq{margin-left:auto}.lp-ed .bub p{margin-top:3px;font-size:13.5px}.lp-ed .ls-print{border-top:1px dashed #cbd5e1;padding-top:12px;font-family:var(--sheet);font-size:13px;color:#111827}.lp-ed .ls-print small{display:block;font:800 10px var(--app);letter-spacing:.12em;color:var(--app-muted);margin-bottom:4px}.lp-ed .ls-print p+p{margin-top:6px}.lp-ed .df{display:grid;gap:22px}.lp-ed .df-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.lp-ed .df-s{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px 18px;overflow:hidden;transition:border-color .3s}.lp-ed .df-s:before,.lp-ed .df-s:after{content:"";position:absolute;left:0;bottom:0;height:3px}.lp-ed .df-s:before{right:0;background:var(--sunk)}.lp-ed .df-s:after{width:0;background:var(--blue)}.lp-ed .df-s b{display:block;font-size:.98rem;transition:color .3s}.lp-ed .df-s span{display:block;color:var(--muted);font-size:.84rem;margin-top:2px;line-height:1.45}.lp-ed .df[data-step="1"] [data-s="1"],.lp-ed .df[data-step="2"] [data-s="2"],.lp-ed .df[data-step="3"] [data-s="3"]{border-color:var(--blue)}.lp-ed .df[data-step="1"] [data-s="1"] b,.lp-ed .df[data-step="2"] [data-s="2"] b,.lp-ed .df[data-step="3"] [data-s="3"] b{color:var(--blue)}.lp-ed .df[data-step="1"] [data-s="1"]:after,.lp-ed .df[data-step="2"] [data-s="2"]:after,.lp-ed .df[data-step="3"] [data-s="3"]:after{width:100%;transition:width 2.3s linear}.lp-ed .df:is([data-step="2"],[data-step="3"],[data-step="4"]) [data-s="1"]:after,.lp-ed .df:is([data-step="3"],[data-step="4"]) [data-s="2"]:after,.lp-ed .df[data-step="4"] [data-s="3"]:after{width:100%;background:var(--ok)}.lp-ed .df-pair{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:stretch}.lp-ed .df-arrow{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;z-index:1;box-shadow:0 6px 16px -6px #3254ef99}.lp-ed .df-sheet{background:#fff;border:1px solid #e5e9f0;border-radius:6px;padding:20px 26px 24px;font-family:var(--sheet);color:#111827;box-shadow:0 24px 50px -30px #1a2b478c}.lp-ed .df-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.lp-ed .df-top small{font:700 11px var(--app);color:var(--app-muted)}.lp-ed .df-tag{display:inline-flex;font:800 10.5px var(--app);letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 10px;background:#f1f5f9;color:#475569;transition:background .3s,color .3s}.lp-ed .front .df-tag{background:var(--app-blue-soft);color:var(--app-blue)}.lp-ed .df[data-step="4"] .front .df-tag{background:var(--ok-soft);color:var(--ok)}.lp-ed .df-h{font-size:11px;color:#64748b;border-bottom:1.5px solid #111827;padding-bottom:8px}.lp-ed .df-q{margin-top:14px}.lp-ed .df-sheet .q-st{font-size:13.5px}.lp-ed .df-sheet .alts{font-size:13.5px;margin-top:9px}.lp-ed .back{color:#475569}.lp-ed .back .alt i{border-color:#94a3b8;color:#94a3b8}.lp-ed .df .n,.lp-ed .df .ln{display:none}.lp-ed .df:is([data-step="3"],[data-step="4"]) .lo{display:none}.lp-ed .df:is([data-step="3"],[data-step="4"]) .ln{display:inline;animation:dfin 1s 1.2s ease both}.lp-ed .df .n,.lp-ed .df .o{border-radius:3px}.lp-ed .df:is([data-step="1"],[data-step="2"],[data-step="3"],[data-step="4"]) .stem .o,.lp-ed .df:is([data-step="2"],[data-step="3"],[data-step="4"]) .alt .o,.lp-ed .df[data-step="4"] .df-tag .o{display:none}.lp-ed .df:is([data-step="1"],[data-step="2"],[data-step="3"],[data-step="4"]) .stem .n,.lp-ed .df:is([data-step="2"],[data-step="3"],[data-step="4"]) .alt .n,.lp-ed .df[data-step="4"] .df-tag .n{display:inline;animation:dfin 1s ease both}.lp-ed .df .alt.cut{max-height:32px;overflow:hidden;transition:max-height .5s .8s,opacity .5s .8s,margin .5s .8s}.lp-ed .df:is([data-step="3"],[data-step="4"]) .alt.cut{max-height:0;opacity:0;margin-bottom:-7px}.lp-ed .df[data-step="3"] .alt.cut .n{text-decoration:line-through;color:var(--del);animation:none}.lp-ed .df-also{margin-top:30px;color:var(--muted);font-size:.92rem;border-top:1px solid var(--line);padding-top:18px;max-width:90ch}.lp-ed .df-also b{color:var(--ink)}@keyframes dfin{0%{opacity:0;background:#bbf7d0}40%{opacity:1;background:#bbf7d0}to{opacity:1;background:transparent}}@media(max-width:1024px){.lp-ed .tx-stage{grid-template-columns:minmax(0,1fr)}.lp-ed .tx-mid{height:70px}.lp-ed .tx-mid:before{inset:10px auto 16px 50%;border-top:0;border-left:2px dashed #aebcf5}.lp-ed .tx-mid:after{right:auto;left:calc(50% - 5px);top:auto;bottom:6px;border:6px solid transparent;border-top:9px solid #aebcf5;border-bottom:0}.lp-ed .tx-mid span{display:none}.lp-ed .tx-sheet{min-height:0}.lp-ed .df-pair{grid-template-columns:minmax(0,1fr)}.lp-ed .df-arrow,.lp-ed .df-sheet.back{display:none}}@media(max-width:700px){.lp-ed .tx-scan{padding:12px 12px 20px}.lp-ed .tx-paper{padding:14px 16px 18px;font-size:13px}.lp-ed .tx-chip{display:none}.lp-ed .tx-sheet{padding:16px}.lp-ed .tx-steps{grid-template-columns:minmax(0,1fr)}.lp-ed .tx-steps li+li{padding-left:0;border-left:0}.lp-ed .df-steps{grid-template-columns:minmax(0,1fr)}.lp-ed .df-sheet{padding:18px}}