:root{--navy: #1b2a4a;--navy-700: #22345a;--navy-900: #14203a;--gold: #c9a962;--gold-strong: #a9873f;--gold-soft: #f6edda;--bg: #f2f4f8;--surface: #ffffff;--border: #e1e5ec;--border-strong: #cfd6e2;--text: #1c2430;--text-soft: #3c4658;--muted: #6f798b;--danger: #b23b32;--danger-bg: #fdecea;--danger-border: #f0c4bf;--success: #1f7a4d;--success-bg: #e8f5ee;--success-border: #bae0cc;--info: #2b5c8a;--info-bg: #eaf2fa;--info-border: #c6dcef;--radius: 12px;--radius-sm: 8px;--shadow: 0 10px 30px rgba(16, 27, 48, .08);--shadow-sm: 0 2px 8px rgba(16, 27, 48, .06);color-scheme:light}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,PingFang SC,Microsoft YaHei,Hiragino Sans GB,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:600;letter-spacing:.01em}p{margin:0}a{color:var(--navy-700)}code{font-family:Cascadia 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