:root{--top23-h:68px}
.top{position:sticky!important;top:0!important;z-index:200!important;background:#fff!important}
#sectionNav21,.section-nav21{position:sticky!important;top:var(--top23-h)!important;z-index:190!important;background:#fff!important}
.de23,.de21,.de,.de-line,.clip-de,.qtext,.book-q label,.book-task summary,.audio-card h4,.vword21,.ven21,.vex21,.vnote21,.flashword21,.ow21,.gex21 .de,.grammar-more-body h1,.grammar-more-body h2,.grammar-more-body h3,.grammar-more-body h4{direction:ltr!important;text-align:left!important;unicode-bidi:isolate!important}
.fa23,.fa21,.fa-block,.gtr21,.vtr21{direction:rtl!important;text-align:right!important;unicode-bidi:isolate!important}
.gtable23{width:100%;border-collapse:collapse;margin:10px 0 16px;background:#fff}.gtable23 th,.gtable23 td{border:1px solid #cfd8e6;padding:9px 10px;vertical-align:top}.gtable23 th{background:#f3f6fb;font-weight:800}
.gsection23{margin:0 0 18px}.gsection23>h3{margin:0 0 7px;font-size:1.05em}.gdetail23{direction:rtl;text-align:right}.gdetail23 .de23{direction:ltr!important;text-align:left!important}
.book-task23 .taskpic23{margin:10px 0 14px;border:1px solid #dde3ed;border-radius:12px;padding:8px;background:#fff;max-width:760px}.book-task23 .taskpic23 img{display:block;max-width:100%;width:auto;height:auto;margin:0;border-radius:8px}.book-task23 .taskcap23{font-size:.78em;color:#6b7280;direction:rtl;text-align:right;margin-top:5px}
.bild23{display:grid;gap:10px}.bild23 img{display:block;width:100%;height:auto;border:1px solid #dfe3eb;border-radius:10px;background:#fff}.overview23 img{display:block;width:100%;height:auto;border-radius:5px;box-shadow:0 2px 10px #00000018}
.oi23{direction:ltr!important;text-align:left!important;border:1px solid #e3e6ed;border-radius:10px;padding:8px 10px;background:#fff;display:flex;align-items:center;gap:7px;position:relative}.oi23 .ow23{flex:1;direction:ltr!important;text-align:left!important}.oi23 .tip23{display:none;position:absolute;left:45px;bottom:calc(100% + 6px);z-index:30;background:#111827;color:#fff;padding:6px 8px;border-radius:8px;direction:rtl;text-align:right;font-size:.82em}.oi23.open23 .tip23{display:block}
.icon23{width:58px;height:58px;object-fit:contain;border-radius:12px;background:#f7f8fb;padding:5px;flex:0 0 auto}.flash-back-visual23{max-width:160px;max-height:140px;object-fit:contain;align-self:center}
@media(max-width:760px){.gtable23{font-size:.88em;display:block;overflow-x:auto}.book-task23 .taskpic23{max-width:100%}}