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#0000004d}.cat-card.active{color:#fde68a;background:linear-gradient(145deg,#f59e0b38,#fbbf241a);border-color:#f59e0b;transform:translateY(-1px);box-shadow:0 0 28px #f59e0b59,inset 0 0 8px #f59e0b26,0 4px 16px #00000040}.cat-card-icon{filter:drop-shadow(0 0 6px);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.cat-card-icon svg{width:24px!important;height:24px!important}.cat-card-label{line-height:1}.cat-card-gem{color:#fbbf24;filter:drop-shadow(0 0 4px #f59e0b)drop-shadow(0 0 8px #f59e0b88);font-size:10px;animation:2s ease-in-out infinite gem-pulse;position:absolute;top:6px;right:8px}@keyframes gem-pulse{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}}@media (width<=1100px) and (width>=901px){.topic-layout{grid-template-columns:340px 1fr;gap:24px}}@media (width<=640px){.wheel-wrap{max-width:270px}.topic-layout{gap:28px}.practice-page .page-body{padding:24px 16px 56px}}