:root{--paper: #f8f5ee;--paper-raised: #fffdf8;--paper-sunk: #efe9dc;--ink: #1b2420;--ink-soft: #3d4842;--ink-mute: #5c655f;--rule: #ddd5c4;--rule-strong: #c4b89e;--forest: #1f4d3a;--forest-deep: #15372a;--forest-tint: #e4ece6;--forest-line: #9db5a8;--gold: #b08a3e;--gold-soft: #d8c28e;--gold-ink: #8a6a28;--on-forest: #f3efe4;--on-forest-mute: #c9d3cb;--serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Source Han Serif CN", "SimSun", serif;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;--mono: "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, monospace;--r-sm: 6px;--r-md: 10px;--r-lg: 14px;--shadow: 0 1px 2px rgba(27, 36, 32, .05), 0 6px 20px -10px rgba(27, 36, 32, .16);--shadow-lift: 0 2px 4px rgba(27, 36, 32, .06), 0 14px 32px -14px rgba(27, 36, 32, .24);--ease: cubic-bezier(.22, .61, .36, 1);--shell: 1160px;--gut: 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