:root{color-scheme:light;--brand-blue: #007FFF;--brand-blue-deep: #0059B3;--brand-blue-hover: #0066D6;--brand-yellow: #F5D819;--brand-green: #139B48;--brand-blue-weak: #E8F2FF;--brand-green-weak: #E6F6EE;--brand-red: #C0392B;--brand-red-weak: #FDEEEE;--brand-yellow-weak: #FBF3C7;--ink: #0B1B2E;--muted: #5A6B80;--bg: #F4F7FB;--card: #FFFFFF;--line: #E2EAF3;--line-strong: #CBD8E8;--navy: #0B1B2E;--navy-2: #0A2140;--navy-3: #0E2A50;--on-dark: #EAF2FC;--on-dark-muted: #9FB4CC;--r-xl: 14px;--r-lg: 10px;--r-md: 8px;--r-sm: 6px;--r-ctl: 6px;--r-pill: 999px;--ctl-h: 32px;--ctl-h-sm: 28px;--ctl-h-lg: 36px;--shadow-1: 0 1px 2px rgba(7, 24, 46, .05);--shadow-2: 0 6px 20px rgba(7, 24, 46, .1);--shadow-3: 0 18px 48px rgba(7, 24, 46, .18);--font-display: "Museo", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-body: "Museo", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 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