:root{color-scheme:light;--bg: #fdfdfc;--bg-subtle: #f6f5f1;--fg: #1a1a18;--fg-muted: #6f6e68;--fg-faint: #a3a29a;--rule: #e7e5de;--rule-strong: #d6d3c9;--accent: #8a5a2b;--font-serif: Georgia, "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--step--1: .8125rem;--step-0: 1.0625rem;--step-1: 1.25rem;--step-2: 1.5rem;--step-3: 2rem;--step-4: 2.75rem;--measure: 34em;--gutter: clamp(1.25rem, 5vw, 3rem)}:root[data-theme=dark]{color-scheme:dark;--bg: #14140f;--bg-subtle: #1d1d17;--fg: #e8e6de;--fg-muted: #9d9b91;--fg-faint: #6b6a62;--rule: #2c2c25;--rule-strong: #3d3d34;--accent: 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