:root{color-scheme:light;--seo-bg:#f5f7fb;--seo-panel:#ffffff;--seo-panel-soft:#eef2f7;--seo-text:#111827;--seo-muted:#5f6b7b;--seo-border:#d6dde8;--seo-cyan:#006d7a;--seo-pink:#c83978;--seo-green:#287a4b;--seo-header:rgb(255 255 255 / 92%);--seo-subtle:#6b7280;--seo-on-accent:#071013;--seo-accent-hover:#36c7d6;--seo-body-text:#374151;--seo-notice-border:#cbd5e1;--seo-notice-bg:#eef2f7}.dark{color-scheme:dark;--seo-bg:#080b12;--seo-panel:#111722;--seo-panel-soft:#171d29;--seo-text:#f5f7fb;--seo-muted:#aab3c2;--seo-border:#2b3444;--seo-cyan:#4bd9e8;--seo-pink:#f46fa8;--seo-green:#8bddaa;--seo-header:rgb(8 11 18 / 92%);--seo-subtle:#697486;--seo-on-accent:#071013;--seo-accent-hover:#84edf5;--seo-body-text:#d7dce6;--seo-notice-border:#415066;--seo-notice-bg:#151d29}*{box-sizing:border-box}html{scroll-behavior:smooth}body.guide-page{margin:0;background:var(--seo-bg);color:var(--seo-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe 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