.m18-controls{position:fixed;right:14px;bottom:14px;z-index:9999;display:flex;gap:6px;align-items:center;background:#0e213df2;border:2px solid #fff;border-radius:999px;padding:7px 9px;box-shadow:0 10px 28px #0003}.m18-controls button,.m18-audio-strip button{border:2px solid #b9d5f2;background:#fff;color:#0e213d;border-radius:999px;padding:.42rem .62rem;font-weight:900;cursor:pointer;font-size:.82rem}.m18-controls button.active{background:#6fc5ff;border-color:#6fc5ff}.m18-label{color:#fff;font-size:1rem}.m18-audio-strip{display:flex;gap:7px;align-items:center;justify-content:flex-end;margin:-6px 0 12px;flex-wrap:wrap}.m18-audio-strip span{font-size:1rem}.m18-audio-strip button{font-size:.74rem;padding:.35rem .52rem}.download-box{margin-top:32px;background:linear-gradient(135deg,#eef7ff,#fffbe8);border:3px solid #8abce9}.download-box h2{font-size:2.2rem;margin:.2rem 0}.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.download-grid .btn{min-height:62px;font-size:1.05rem}.download-list{display:grid;gap:18px}.download-unit-card{background:#fff;border:2px solid #c9d8e8;border-radius:22px;padding:22px}.download-unit-card h3{font-size:1.45rem;margin:.25rem 0}.download-progress{padding:18px;border-radius:16px;background:#eef7ff;border:2px solid #9ac7ef;font-weight:900;margin:18px 0}.export-doc{font-family:Arial,Helvetica,sans-serif;color:#111;line-height:1.5}.export-doc h1{font-size:2rem}.export-doc h2{font-size:1.55rem;border-bottom:2px solid #222;padding-bottom:6px}.export-doc h3{font-size:1.25rem}.export-ex{border:1px solid #aaa;border-radius:10px;padding:10px 12px;margin:10px 0;break-inside:avoid}.export-answer{background:#eef7f4;padding:8px 10px;border-radius:8px;margin-top:7px}.export-toolbar{position:sticky;top:0;background:#fff;border-bottom:2px solid #ddd;padding:12px;display:flex;gap:10px;flex-wrap:wrap;z-index:10}.export-wrap{width:min(1000px,94vw);margin:24px auto}.export-meta{background:#eef7ff;padding:12px 16px;border-radius:12px}.export-pagebreak{break-before:page}.m18-busy::after{content:' …';animation:m18pulse 1s infinite}@keyframes m18pulse{50%{opacity:.35}}
@media(max-width:760px){.m18-controls{right:8px;bottom:8px}.m18-controls button{padding:.35rem .45rem}.download-grid{grid-template-columns:1fr}.m18-audio-strip{justify-content:flex-start}}
@media print{.m18-controls,.m18-audio-strip,.export-toolbar{display:none!important}.export-wrap{width:100%;margin:0}.export-ex{break-inside:avoid}}