.ab-table{margin:32px 0;overflow-x:auto}.article-prose .ab-table>table{margin:0}.ab-cards{display:grid;gap:14px;margin:28px 0;grid-template-columns:1fr}.ab-cards.ab-cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.ab-cards.ab-term{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}@media (min-width: 640px){.ab-cards.ab-cols-2,.ab-cards.ab-cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}.ab-cards.ab-term.ab-cols-3,.ab-cards.ab-term.ab-cols-4{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width: 1024px){.ab-cards.ab-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.ab-cards.ab-cols-4,.ab-cards.ab-term.ab-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}.ab-card{margin:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid #27272a;border-radius:16px;background:#18181b99}.ab-card-img{display:block;width:100%;padding:0;border:0;cursor:zoom-in;background:#f4f4f5;aspect-ratio:4 / 3;overflow:hidden}.ab-card-img img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block;transition:transform .3s ease}.ab-sign .ab-card-img{background:#fff}.ab-sign .ab-card-img img{-o-object-fit:contain;object-fit:contain;padding:12%;box-sizing:border-box}.ab-card-img:hover img{transform:scale(1.03)}.ab-card figcaption{display:flex;flex-direction:column;gap:4px;padding:12px 14px 14px}.ab-term figcaption{padding:10px 12px 12px}.ab-tag{align-self:flex-start;font-size:11px;line-height:1.4;font-weight:600;letter-spacing:.02em;color:#a1a1aa;background:#27272a;border-radius:999px;padding:1px 8px}.ab-card-title{font-size:15px;line-height:1.35;font-weight:600;color:#fff}.ab-term .ab-card-title{font-size:14px}.ab-card-text{font-size:14px;line-height:1.5;color:#a1a1aa}.ab-card-text strong{color:#e4e4e7}.ab-stats{display:grid;gap:12px;margin:28px 0;grid-template-columns:1fr}@media (min-width: 640px){.ab-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}.ab-stat{display:flex;flex-direction:column;padding:18px 18px 16px;border:1px solid #27272a;border-radius:16px;background:linear-gradient(160deg,#18181b,#0c0c0e)}.ab-stat-value{font-size:30px;line-height:1.1;font-weight:800;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.ab-stat-label{margin-top:6px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#a1a1aa}.article-prose .ab-stat-text{margin:10px 0 0;font-size:14px;line-height:1.55;color:#d4d4d8}.article-prose .ab-stat-trap{margin:12px 0 0;padding-top:10px;border-top:1px dashed #3f3f46;font-size:13px;line-height:1.5;color:#a1a1aa}.ab-stat-trap>span{font-weight:700;color:#fbbf24}.ab-quiz{display:flex;flex-direction:column;gap:16px;margin:28px 0}.ab-quiz-q{padding:18px;border:1px solid #27272a;border-radius:16px;background:#18181b99}.article-prose .ab-quiz-num{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#71717a}.article-prose .ab-quiz-text{margin:0 0 12px;font-weight:600;color:#fff}.ab-quiz-img{display:block;width:100%;max-width:420px;padding:0;margin:0 0 12px;border:0;border-radius:12px;overflow:hidden;cursor:zoom-in;background:#f4f4f5}.ab-quiz-img img{width:100%;display:block}.ab-quiz-options{display:flex;flex-direction:column;gap:8px}.ab-quiz-opt{display:flex;gap:10px;align-items:flex-start;width:100%;text-align:left;padding:10px 12px;border:1px solid #3f3f46;border-radius:12px;background:#18181b;color:#d4d4d8;font-size:15px;line-height:1.45;cursor:pointer;transition:border-color .15s,background .15s}.ab-quiz-opt:hover{border-color:#71717a}.ab-quiz-letter{flex:none;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;background:#27272a;color:#a1a1aa;font-size:12px;font-weight:700}.ab-quiz-q.is-answered .ab-quiz-opt{cursor:default}.ab-quiz-opt.is-right{border-color:#22c55e;background:#22c55e1a;color:#fff}.ab-quiz-opt.is-right .ab-quiz-letter{background:#22c55e;color:#052e16}.ab-quiz-opt.is-wrong{border-color:#f43f5e;background:#f43f5e1a}.ab-quiz-opt.is-wrong .ab-quiz-letter{background:#f43f5e;color:#fff}.ab-quiz-result{margin-top:12px}.article-prose .ab-quiz-verdict{margin:0 0 4px;font-weight:700}.ab-quiz-q.is-ok .ab-quiz-verdict{color:#4ade80}.ab-quiz-q.is-no .ab-quiz-verdict{color:#fb7185}.article-prose .ab-quiz-explain{margin:0;font-size:14px;line-height:1.55;color:#a1a1aa}.ab-course{display:flex;flex-direction:column;gap:16px;margin:32px 0;padding:22px;border:1px solid #3f3f46;border-radius:18px;background:radial-gradient(120% 140% at 0% 0%,rgba(59,130,246,.18),transparent 60%),#111113}@media (min-width: 640px){.ab-course{flex-direction:row;align-items:center}}.ab-course-body{flex:1}.article-prose .ab-course-title{margin:0 0 6px;font-size:18px;font-weight:700;color:#fff}.article-prose .ab-course-text{margin:0;font-size:14px;line-height:1.55;color:#a1a1aa}.ab-course-action{display:flex;flex-direction:column;align-items:flex-start;gap:6px;flex:none}@media (min-width: 640px){.ab-course-action{align-items:center}}.article-prose a.ab-course-btn{display:inline-block;padding:11px 20px;border-radius:12px;background:#fff;color:#000;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}.article-prose a.ab-course-btn:hover{background:#e4e4e7}.ab-course-note{font-size:12px;color:#71717a}.ab-lightbox{max-width:min(96vw,1200px);width:auto;padding:0;border:0;border-radius:16px;background:transparent}.ab-lightbox::backdrop{background:#000000d9}.ab-lightbox img{display:block;max-width:100%;max-height:82vh;border-radius:16px;background:#f4f4f5}.ab-lightbox p{margin:10px 4px 0;color:#e4e4e7;font-size:14px;text-align:center}.ab-lightbox button{position:fixed;top:14px;right:14px;width:40px;height:40px;border:0;border-radius:999px;background:#ffffff26;color:#fff;font-size:22px;cursor:pointer}