:root{--rc-text:#171717;--rc-text-secondary:#404040;--rc-text-tertiary:#737373;--rc-text-quaternary:#a3a3a3;--rc-bg:#fff;--rc-bg-secondary:#fafafa;--rc-bg-tertiary:#f5f5f5;--rc-fill:#e8e8e8;--rc-fill-secondary:#eee;--rc-fill-tertiary:#f5f5f5;--rc-fill-quaternary:#fafafa;--rc-border:#e8e8e8;--rc-border-subtle:#f0f0f0;--rc-accent:#2563eb;--rc-accent-light:color-mix(in oklab, var(--rc-accent) 12%, transparent);--rc-link:#2563eb;--rc-code-text:#404040;--rc-code-bg:#f5f5f5;--rc-code-header-bg:#f0f0f0;--rc-hr-border:#e8e8e8;--rc-quote-border:color-mix(in oklab, var(--rc-text) 18%, transparent);--rc-quote-bg:#f5f5f5;--rc-alert-info:#2f6db5;--rc-alert-warning:#b7791f;--rc-alert-tip:#2f855a;--rc-alert-caution:#c53030;--rc-alert-important:#6b46c1;--rc-max-width:700px;--rc-shadow-top-bar:0 8px 30px #0000001f, 0 2px 8px #0000000f;--rc-shadow-modal:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--rc-shadow-menu:0 1px 4px #0000000a, 0 4px 16px 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#00000014;--rc-space-xs:4px;--rc-space-sm:8px;--rc-space-md:16px;--rc-space-lg:24px;--rc-space-xl:32px;--rc-flow-paragraph:1.25em;--rc-flow-list:.375em;--rc-flow-block:2em;--rc-flow-heading:2em;--rc-font-family-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";--rc-font-family-serif:"Noto Serif CJK SC", "Source Han Serif SC", "Source Han Serif", "source-han-serif-sc", "Songti SC", STSong, "华文宋体", serif;--rc-font-family-kai:"楷体", KaiTi, STKaiti, "Kaiti SC", "LXGW WenKai", "霞鹜文楷", "Noto Serif CJK SC", serif;--rc-font-mono:"SF Mono", SFMono-Regular, ui-monospace, "DejaVu Sans Mono", Menlo, Consolas, "PingFang SC", "Noto Sans SC", 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#0000000a, 0 4px 16px #00000014;--rc-space-xs:4px;--rc-space-sm:8px;--rc-space-md:16px;--rc-space-lg:24px;--rc-space-xl:32px;--rc-flow-paragraph:.5em;--rc-flow-list:.375em;--rc-flow-block:2em;--rc-flow-heading:2em;--rc-font-family-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";--rc-font-family-serif:"Noto Serif CJK SC", "Source Han Serif SC", "Source Han Serif", "source-han-serif-sc", "Songti SC", STSong, "华文宋体", serif;--rc-font-family-kai:"楷体", KaiTi, STKaiti, "Kaiti SC", "LXGW WenKai", "霞鹜文楷", "Noto Serif CJK SC", serif;--rc-font-mono:"SF Mono", SFMono-Regular, ui-monospace, "DejaVu Sans Mono", Menlo, Consolas, "PingFang SC", "Noto Sans SC", 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transparent);--rc-link:#2563eb;--rc-code-text:#404040;--rc-code-bg:#f5f5f5;--rc-code-header-bg:#f0f0f0;--rc-hr-border:#e8e8e8;--rc-quote-border:color-mix(in oklab, var(--rc-text) 18%, transparent);--rc-quote-bg:#fafafa;--rc-alert-info:#2f6db5;--rc-alert-warning:#b7791f;--rc-alert-tip:#2f855a;--rc-alert-caution:#c53030;--rc-alert-important:#6b46c1;--rc-max-width:none;--rc-shadow-top-bar:0 8px 30px #0000001f, 0 2px 8px #0000000f;--rc-shadow-modal:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--rc-shadow-menu:0 1px 4px #0000000a, 0 4px 16px #00000014;--rc-space-xs:2px;--rc-space-sm:4px;--rc-space-md:10px;--rc-space-lg:16px;--rc-space-xl:20px;--rc-flow-paragraph:.6em;--rc-flow-list:.25em;--rc-flow-block:1em;--rc-flow-heading:1em;--rc-font-family-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color 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