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4px;font-size:13px;line-height:1}.eh-cs-mini-remove:hover{color:var(--red)}.eh-cs-mini-question{color:var(--text);margin-bottom:8px;font-size:12.5px;font-weight:600;line-height:1.4}.eh-cs-mini-ans{background:var(--green-dim);border:1px solid var(--green);color:var(--text);border-radius:6px;align-items:flex-start;gap:6px;margin-bottom:4px;padding:6px 8px;font-size:12px;line-height:1.35;display:flex}.eh-cs-ans-check{color:var(--green);font-size:12px;font-weight:700}.eh-cs-ans-txt{flex:1;font-weight:600}.eh-cs-mini-source{color:var(--text3);margin-top:4px;font-size:10.5px}.eh-cs-overflow-notice{color:var(--text2);text-align:center;padding:4px 0;font-size:11.5px;font-weight:600}.eh-cs-view-more-btn{background:linear-gradient(135deg,var(--accent),#2563eb);color:#fff;border-radius:var(--r-sm);width:100%;font-size:12.5px;font-weight:700;font-family:var(--font-inter),sans-serif;cursor:pointer;text-align:center;border:none;margin-top:4px;padding:10px 12px;transition:transform .15s,filter .15s}.eh-cs-view-more-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.eh-cheatsheet-mobile-dock{display:none}@media (max-width:1023px){.eh-practice-container,.eh-practice-wrap{max-width:700px;padding:16px 12px 90px}.eh-practice-layout{flex-direction:column;max-width:700px;padding:16px 12px 90px}.eh-practice-container .eh-practice-layout,.eh-practice-wrap .eh-practice-layout{margin:16px 0 0;padding:0}.eh-practice-main{width:100%;max-width:100%}.eh-practice-sidebar{width:100%;margin-top:20px;position:static}.eh-cheatsheet-mobile-dock{z-index:45;background:var(--surface);border:1px solid var(--amber);box-shadow:0 10px 30px #00000080,0 0 0 1px var(--amber-dim);cursor:pointer;border-radius:30px;justify-content:space-between;align-items:center;padding:10px 16px;animation:.3s ease-out eh-dock-up;display:flex;position:fixed;bottom:16px;left:16px;right:16px}@keyframes eh-dock-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.eh-cs-mob-dock-left{color:var(--text);align-items:center;gap:8px;font-size:12.5px;display:flex}.eh-cs-mob-star{font-size:16px}.eh-cs-mob-dock-btn{background:var(--amber);color:#0f1117;cursor:pointer;border:none;border-radius:18px;padding:5px 12px;font-size:11.5px;font-weight:700}}.eh-quiz-shortcut-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:24px;padding:18px 22px;display:flex}.eh-quiz-shortcut-info{flex:1;min-width:240px}.eh-quiz-shortcut-title{font-family:var(--font-space-grotesk),sans-serif;color:var(--text);align-items:center;gap:6px;margin-bottom:4px;font-size:15px;font-weight:700;display:flex}.eh-quiz-shortcut-sub{color:var(--text2);font-size:13px;line-height:1.45}.eh-quiz-shortcut-btn{white-space:nowrap;padding:9px 16px!important;font-size:13px!important}.eh-header-shortcut-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:20px;align-items:center;gap:5px;padding:5px 10px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s;display:inline-flex}.eh-header-shortcut-btn:hover{border-color:var(--accent);color:var(--accent)}.eh-side-rail{z-index:20;pointer-events:auto;width:160px;min-height:600px;display:none;position:fixed;top:100px}.eh-side-rail-left{left:max(16px,50% - 680px)}.eh-side-rail-right{right:max(16px,50% - 680px)}@media (min-width:1420px){.eh-side-rail{display:block}}.eh-sidebar-ad-slot{border-radius:var(--r);text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:250px;margin-top:16px;display:flex;overflow:hidden}