.gd-practice{background:var(--surface);border:1.5px solid var(--green);border-radius:var(--r-card);margin:20px 0;padding:16px}.gd-practice-head{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.gd-practice-badge{color:#fff;background:var(--green);border-radius:999px;flex:none;padding:2px 10px;font-size:14px;font-weight:700}.gd-practice-q{color:var(--ink);min-width:0;font-size:16px;font-weight:700;line-height:1.7}.gd-practice-fig{margin:12px 0}.gd-practice-reveal{background:var(--surface-2);border-radius:var(--r-btn);margin-top:8px}.gd-practice-reveal>summary{min-height:44px;color:var(--green);cursor:pointer;align-items:center;gap:8px;padding:0 16px;font-size:15px;font-weight:700;list-style:none;display:flex}.gd-practice-reveal>summary::-webkit-details-marker{display:none}.gd-practice-reveal>summary:before{content:"＋";color:var(--green);font-size:18px;line-height:1}.gd-practice-reveal[open]>summary:before{content:"−"}.gd-practice-reveal>summary:focus-visible{outline:3px solid var(--mustard-ink);outline-offset:-3px}.gd-practice-answer{color:var(--ink);padding:4px 16px 16px;font-size:16px;line-height:1.8}.gd-practice-answer p{margin:8px 0 0}.gd-practice-answer p:first-child{margin-top:0}