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.fc-row{min-width:0;max-width:none}}.section-label{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:14px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media (max-width: 1100px){.scenario-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.scenario-grid{grid-template-columns:1fr}}.scenario-card{background:var(--surface);border:1px solid var(--border-hairline);border-radius:var(--radius-lg);padding:20px;cursor:pointer;transition:transform .15s ease,border-color .15s ease;text-align:left;font-family:var(--font-family)}.scenario-card:hover{border-color:var(--accent-border-strong);transform:translateY(-2px)}.scenario-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.scenario-card .row{display:flex;align-items:flex-start;justify-content:space-between}.scenario-card 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859px){.chat-layout>.chat-side{order:0}.chat-layout>.chat-messages{order:1}.chat-layout{grid-template-columns:1fr;gap:16px}}.message-row{display:flex;gap:10px;align-items:flex-end}.message-row.from-user{flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px}.msg-avatar.ai{background:var(--accent-soft)}.msg-avatar.user{background:var(--accent);color:var(--accent-btn-text);font-weight:800;font-size:13px}.msg-content{max-width:480px;display:flex;flex-direction:column}@media (max-width: 640px){.msg-content{max-width:82%}.msg-bubble{font-size:14px;padding:12px 14px}.chat-title{font-size:20px;margin-bottom:18px}}.msg-bubble{padding:14px 18px;font-size:15px;line-height:1.5}.msg-bubble.ai{background:var(--surface);border:1px solid var(--border-hairline);border-radius:4px 16px 16px;color:var(--text-primary)}.msg-bubble.user{background:var(--accent);color:var(--accent-btn-text);border-radius:16px 4px 16px 16px}.msg-listen{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;margin-top:6px;margin-left:4px;padding:0;border:none;background:none;font-size:11.5px;font-weight:700;color:var(--accent-text);cursor:pointer}.msg-listen:hover{color:var(--accent-dark)}.chat-side{display:flex;flex-direction:column;gap:16px}.phrases-card{background:var(--surface);border:1px solid var(--border-hairline);border-radius:var(--radius-md);padding:16px}.phrases-card .phrases-label{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:10px}.phrase-pill{display:block;width:100%;background:var(--surface);border:1px solid var(--border-hairline-strong);border-radius:9px;padding:9px 12px;font-size:12.5px;color:var(--text-primary);text-align:left;cursor:pointer;margin-bottom:8px;font-family:var(--font-family)}.phrase-pill:hover{border-color:var(--accent-border-strong)}.phrase-pill.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-text);font-weight:700}.phrase-pill:last-child{margin-bottom:0}.phrase-pinyin{display:block;font-size:11px;color:var(--text-muted);margin-top:2px}.record-zone{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:12px}.record-btn{width:64px;height:64px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);color:var(--accent);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .12s ease,background .12s ease}.record-btn:hover{transform:scale(1.04)}.record-btn.recording{background:var(--accent);color:var(--accent-btn-text);animation:pulseRing 1.6s infinite}.record-btn:disabled{opacity:.6;cursor:not-allowed}.record-hint{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;text-align:center}@media (prefers-reduced-motion: reduce){.record-btn.recording{animation:none}}.score-card{background:var(--surface);border:1px solid var(--border-hairline);border-radius:var(--radius-md);padding:16px;display:flex;gap:14px;align-items:flex-start}.score-card .score-ring-outer{--pct: 0;width:56px;height:56px;flex:none;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--pct) * 1%),rgba(15,23,42,.1) 0);display:flex;align-items:center;justify-content:center}.score-card .score-ring-inner{width:44px;height:44px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--accent-text);font-size:15px}.score-card 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