.practice-tools{position:sticky;top:0;z-index:5;display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px;background:#f5faf8;border:1px solid #dae8e3;border-radius:12px;margin-bottom:16px}
.practice-pages{max-width:960px;margin:auto;overflow-anchor:auto}
.practice-sheet{margin:0 0 18px;scroll-margin-top:120px;content-visibility:auto;contain-intrinsic-size:auto 1320px;background:#fff;border:1px solid #e0e7e4;border-radius:8px;overflow:hidden}
.practice-sheet img{display:block;width:100%;height:auto;background:#f0f3f1}
.practice-sheet figcaption{text-align:center;padding:7px;color:#657c76;font-size:13px}
@media(max-width:600px){body:has(.practice-pages) .workspace{padding:8px}body:has(.practice-pages) #content{padding:0}.practice-tools{gap:6px;padding:8px}.practice-sheet{margin-bottom:10px;border-radius:3px}.practice-tools .btn{padding:9px;font-size:13px}}
@media(prefers-reduced-motion:reduce){.practice-pages{scroll-behavior:auto}}