:root{--bg: #f4f5f8;--surface: #ffffff;--surface-2: #fafbfc;--line: #e7e9ee;--line-soft: #eef0f4;--ink: #1c2230;--ink-2: #3b424f;--muted: #79808d;--muted-2: #9aa1ad;--accent: #4f46e5;--accent-ink:#4338ca;--accent-bg: #eef1fe;--ok: #0e9f6e;--ok-bg: #e6f6ef;--warn: #c2760c;--warn-bg: #fdf3e2;--danger: #dc2626;--danger-bg: #fdecec;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 2px rgba(20,24,40,.05), 0 1px 3px rgba(20,24,40,.04);--shadow-md: 0 4px 12px rgba(20,24,40,.08), 0 2px 4px rgba(20,24,40,.04);--shadow-lg: 0 16px 48px rgba(20,24,40,.18)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Noto Sans TC,PingFang TC,system-ui,-apple-system,Microsoft JhengHei,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:14px;line-height:1.55}::selection{background:var(--accent-bg)}a{color:var(--accent-ink)}h1,h2,h3,h4{color:var(--ink)}h2{margin:0 0 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