:root{--bg: #f7f7f8;--card: #ffffff;--subtle: #f3f4f6;--text: #111827;--muted: #6b7280;--line: #e5e7eb;--accent: #4f46e5;--accent-soft: #eef2ff;--accent-text: #ffffff;--ok: #059669;--ok-bg: #ecfdf5;--bad: #dc2626;--bad-bg: #fef2f2;--warn: #b45309;--warn-bg: #fffbeb;--gold: #f59e0b;--radius: 14px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0b0c0f;--card: #15171c;--subtle: #1c1f26;--text: #ececf1;--muted: #9ca3af;--line: #262a33;--accent: #818cf8;--accent-soft: #1e1b4b;--accent-text: #0b0c0f;--ok: #34d399;--ok-bg: #052e1f;--bad: #f87171;--bad-bg: #2a1212;--warn: #fbbf24;--warn-bg: #2a1f05;--shadow: none;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 Inter,system-ui,-apple-system,PingFang SC,Hiragino Sans,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:760px;margin:0 auto;padding:16px 16px 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