:root{--bg: #f1f5f9;--panel: #ffffff;--ink: #1f2937;--muted: #64748b;--primary: #2563eb;--accent: #15803d;--border: #e2e8f0;font-family:Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}.app{max-width:1180px;margin:0 auto;padding:16px}.hero{text-align:center;margin-bottom:14px}.hero h1{margin:8px 0 4px;font-size:1.9rem}.sub{color:var(--muted);margin:0 0 6px;font-size:.95rem}.grid{display:grid;grid-template-columns:300px minmax(340px,1fr) 300px;gap:14px;align-items:start}@media (max-width: 1000px){.grid{grid-template-columns:1fr}}.col{display:flex;flex-direction:column;gap:14px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:14px 16px;box-shadow:0 1px 3px #0f172a0f}.panel h2{margin:2px 0 10px;font-size:1.05rem}.mode-row{display:flex;gap:8px;margin-bottom:10px}.mode-btn{flex:1;padding:9px 6px;border:1.5px solid var(--border);border-radius:10px;background:#fff;font-size:.95rem;cursor:pointer}.mode-btn.active{border-color:var(--primary);background:#eff6ff;font-weight:700}.practice-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.mode-badge{font-size:.85rem;color:var(--primary);font-weight:700}.char-stamp{text-align:right}.char-label{font-size:.75rem;color:var(--muted);display:block}.char-big{font-size:1.6rem;font-weight:800}.writer-host-wrap{display:flex;justify-content:center;min-height:340px;align-items:center}.writer-host{border:2px dashed var(--border);border-radius:14px;background:#fff;touch-action:none}.writer-host[data-error]{display:none}.practice-stats{display:flex;gap:16px;justify-content:center;font-size:.9rem;margin-top:8px;color:var(--muted)}.row{display:flex;gap:8px;margin-top:10px}.row button,.char-btn{min-height:34px}button{border:1.5px solid var(--border);background:#fff;border-radius:10px;cursor:pointer;font-size:.92rem;padding:6px 12px}button:hover{border-color:var(--primary)}.row input{flex:1}.field{display:block;margin-bottom:10px;font-size:.85rem;color:var(--muted)}.field input,.field select,.row input{width:100%;margin-top:4px;padding:8px 10px;border:1.5px solid var(--border);border-radius:10px;font-size:1rem;font-family:inherit}.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:6px;max-height:420px;overflow-y:auto;padding:2px}.char-btn{font-size:1.15rem;padding:7px 0;border-radius:8px}.char-btn.active{background:#dbeafe;border-color:var(--primary);font-weight:800}.save-msg{color:var(--accent);font-size:.9rem;text-align:center}.heteronym{margin-bottom:10px}.bpm{font-size:1.15rem;color:#b91c1c;font-weight:700;margin-right:8px}.py{color:var(--muted);font-size:.85rem}.def{margin:6px 0 0;line-height:1.5;font-size:.92rem}.tag{font-style:normal;background:#f1f5f9;color:var(--muted);border-radius:6px;padding:1px 6px;margin-right:6px;font-size:.8rem}.ex{display:block;color:var(--muted);font-size:.85rem;margin-top:2px}.leaders{margin:0;padding-left:4px;list-style:none}.leaders li{display:flex;gap:8px;align-items:baseline;padding:5px 2px;border-bottom:1px dashed var(--border);font-size:.92rem}.lname{font-weight:700;flex:1}.lcorrect{color:var(--primary);font-weight:700}.lcount{color:var(--muted);font-size:.8rem}.info-card{margin-top:12px}.info-card h2{margin:2px 0 10px;font-size:1.05rem}.info-list{margin:0}.info-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:#f8fafc;margin-bottom:8px}.info-row dt{font-weight:700;color:var(--muted);font-size:.9rem}.info-row dd{font-weight:800;font-size:1.2rem;margin:0}.left-panel{min-height:620px}.small{font-size:.8rem}.foot{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.78rem;margin:18px 0 8px;text-align:center}