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#e05555;--shadow-mic: rgba(80, 200, 120, .4);--shadow-listen: rgba(224, 85, 85, .5);--btn-disabled: #444}.light-theme{--bg-body: #f7f8fa;--bg-panel: rgba(255, 255, 255, .95);--bg-card: #fff;--bg-input: #f0f4f8;--bg-mic: #e0eaf5;--bg-mic-hover: #d0ddf0;--border-color: #d0dde8;--border-input: #c0d0e0;--border-focus: #4a90d9;--text-primary: #1a2a3a;--text-secondary: #2a3a4a;--text-muted: #4a5a6a;--text-dim: #6a7a8a;--text-subtle: #7a8a9a;--text-faint: #a0b0c0;--color-user-badge: #4a90d9;--color-user-bubble: #4a90d9;--color-ai-badge: #3cb878;--color-ai-bubble: #e8f0fa;--color-primary: #4a90d9;--color-primary-hover: #3a7cc8;--color-danger: #e05555;--color-danger-hover: #d04040;--color-mic-active: #3cb878;--color-mic-listening: #e05555;--shadow-mic: rgba(60, 184, 120, .3);--shadow-listen: rgba(224, 85, 85, .4);--btn-disabled: #c0d0e0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Microsoft YaHei,sans-serif;background:var(--bg-body);color:var(--text-primary);overflow:hidden;transition:background .3s,color .3s}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}