:root{--bg: #f4f6f5;--card: #ffffff;--text: #1c2321;--muted: #6b7672;--border: #e2e7e5;--accent: #0f766e;--accent-soft: #e6f3f1;--carb: #d97706;--carb-soft: #fdf3e3;--protein: #2563eb;--protein-soft: #e8effd;--ok: #15803d;--warn: #c2410c;--danger: #dc2626;--radius: 14px;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0f1413;--card: #182120;--text: #e6ecea;--muted: #93a19c;--border: #2a3533;--accent: #2dd4bf;--accent-soft: #123430;--carb: #f59e0b;--carb-soft: #33270f;--protein: #60a5fa;--protein-soft: #162640;--ok: #4ade80;--warn: #fb923c;--danger: #f87171;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,sans-serif;font-size:15px;line-height:1.5;-webkit-tap-highlight-color:transparent}h2{font-size:20px;margin:8px 0 12px}h3{font-size:16px;margin:0 0 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