:root{color-scheme:light dark;--color-bg-page:#f7f5f0;--color-bg-surface:#efebe3;--color-bg-accent-subtle:#f4e4dc;--color-bg-inverse:#1b1a17;--color-border-default:#ddd8cc;--color-border-strong:#8c8577;--color-text-primary:#1b1a17;--color-text-muted:#5e5a52;--color-text-accent:#a5391c;--color-text-on-inverse:#f7f5f0;--color-focus-ring:#1f4dc4;--color-chart-series-1:#1b1a17;--color-chart-series-2:#a5391c;--color-chart-series-3:#3e5f7a;--color-chart-grid:#ddd8cc;--color-code-keyword:#a5391c;--color-code-string:#3e5f7a;--color-code-comment:#6f6a60;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--space-24:96px;--radius-sm:2px;--radius-md:4px;--width-measure:680px;--width-container:1200px;--width-toc:220px;--width-gutter-mobile:16px;--width-gutter-desktop:48px;--font-serif:"Source Serif 4", Georgia, "Times New Roman", serif;--font-sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--font-serif-zh:"Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;--font-sans-zh:"Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}@media (prefers-color-scheme:dark){:root{--color-bg-page:#131416;--color-bg-surface:#1c1d20;--color-bg-accent-subtle:#3a241b;--color-bg-inverse:#e9e6df;--color-border-default:#2c2e32;--color-border-strong:#6e6a63;--color-text-primary:#e9e6df;--color-text-muted:#a39f97;--color-text-accent:#ef8d66;--color-text-on-inverse:#131416;--color-focus-ring:#8db0ff;--color-chart-series-1:#e9e6df;--color-chart-series-2:#ef8d66;--color-chart-series-3:#8fb0cc;--color-chart-grid:#2c2e32;--color-code-keyword:#ef8d66;--color-code-string:#8fb0cc;--color-code-comment:#8c887f}}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-ext-400-normal.CWV284fw.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-400-normal.DLkyKLvH.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-400-normal.C44pakCn.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-400-normal.B8Z6Jvzv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-greek-400-normal.Cw5-AHNN.woff2)format("woff2"),url(/_astro/source-serif-4-greek-400-normal.BccYJ-vZ.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-vietnamese-400-normal.BbG3LG1A.woff2)format("woff2"),url(/_astro/source-serif-4-vietnamese-400-normal.DR1UuFon.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-ext-400-normal.Cp7z-ARB.woff2)format("woff2"),url(/_astro/source-serif-4-latin-ext-400-normal.CEpydyUl.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-400-normal.DJ5YJwmz.woff2)format("woff2"),url(/_astro/source-serif-4-latin-400-normal.Dn3IlU-Z.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-ext-400-italic.zoDFlEzN.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-400-italic.Dx4A8QUO.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-400-italic.BLN19cOa.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-400-italic.Dx8qIUN3.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-greek-400-italic.C7D4Dq0H.woff2)format("woff2"),url(/_astro/source-serif-4-greek-400-italic.DcuniPAV.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-vietnamese-400-italic.CjUPRDIa.woff2)format("woff2"),url(/_astro/source-serif-4-vietnamese-400-italic.DyjhI2GX.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-ext-400-italic.JynPwBMj.woff2)format("woff2"),url(/_astro/source-serif-4-latin-ext-400-italic.G7LDTi7t.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-400-italic.0j97Jm6B.woff2)format("woff2"),url(/_astro/source-serif-4-latin-400-italic.Dv9jnFA_.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-cyrillic-ext-600-normal.D_E8FDgP.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-600-normal.DiT2IGQm.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-cyrillic-600-normal.BDP5YDHD.woff2)format("woff2"),url(/_astro/source-serif-4-cyrillic-600-normal.DFnC3vAY.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-greek-600-normal.DdRkKr-1.woff2)format("woff2"),url(/_astro/source-serif-4-greek-600-normal.DhXQw1Kl.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-vietnamese-600-normal.CznyfUKR.woff2)format("woff2"),url(/_astro/source-serif-4-vietnamese-600-normal.B0WJbuqT.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-latin-ext-600-normal.0sIUyHMO.woff2)format("woff2"),url(/_astro/source-serif-4-latin-ext-600-normal.C6NNqpJh.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-latin-600-normal.DouSKlru.woff2)format("woff2"),url(/_astro/source-serif-4-latin-600-normal.DMD1h6_f.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.g30qAdWV.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.Dsrv2Tcn.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-400-normal.DZqxrq2p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-400-normal.BTotfTJu.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-greek-400-normal._efipK4i.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-400-normal.D9ESIMu3.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-vietnamese-400-normal.DG4YqDda.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-400-normal.fK1oJ5dG.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-ext-400-normal.C5H60-Va.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-400-normal.RBey6euL.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-400-normal.CDDApCn2.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-400-normal.CYLoc0-x.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-cyrillic-ext-500-normal.Cs5J6C77.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-500-normal.DB5PtV2g.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-cyrillic-500-normal.CocWQlwt.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-500-normal.ByOcLdNv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-greek-500-normal.JMMifIXV.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-500-normal.CuWXN6rf.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-vietnamese-500-normal.e4dixQRQ.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-500-normal.BEb3_waV.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-latin-ext-500-normal.DakdToA3.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-500-normal.D0aIdm-b.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-sans-latin-500-normal.6ng42L7E.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-500-normal.BgVn5rGT.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.DUMzJB7m.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.Bz0x94Yp.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-600-normal.71GNu3SW.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-600-normal.BGq0mW3O.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-greek-600-normal.DzTrcv_p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-600-normal.D-CqTdkO.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-vietnamese-600-normal.DpPYBSTl.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-600-normal.DgdngZtN.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-ext-600-normal.DOrvGEcy.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-600-normal.DIrixKbi.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-600-normal.CuJfVYMP.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-600-normal.Cu4Hd6ag.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BqneJy0T.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BIfNGwUT.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-500-normal.Bq9vWWag.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-500-normal.Ael50iVv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-vietnamese-500-normal.DZ4AoWbu.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-500-normal.C8zxqsMH.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-ext-500-normal.CAhNIIs5.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-500-normal.CZ70TYgx.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--type-display:600 52px/60px var(--font-serif);--type-display-tracking:-1.5px;--type-h1:600 42px/50px var(--font-serif);--type-h1-tracking:-1px;--type-h2:600 28px/36px var(--font-serif);--type-h2-tracking:-.5px;--type-h3:600 21px/28px var(--font-serif);--type-card:600 24px/31px var(--font-serif);--type-card-featured:600 28px/36px var(--font-serif);--type-lead:400 22px/33px var(--font-serif);--type-body:400 19px/31px var(--font-serif);--type-code-size:15px;--type-code-line:24px;--gutter:var(--width-gutter-mobile);--section-gap:48px}@media (width>=640px){:root{--gutter:32px}}@media (width>=1024px){:root{--gutter:var(--width-gutter-desktop);--section-gap:80px}}@media (width<=639.98px){:root{--type-display:600 36px/42px var(--font-serif);--type-display-tracking:-1px;--type-h1:600 31px/38px var(--font-serif);--type-h1-tracking:-.5px;--type-h2:600 23px/30px var(--font-serif);--type-h3:600 19px/26px var(--font-serif);--type-card:600 20px/27px var(--font-serif);--type-card-featured:600 20px/27px var(--font-serif);--type-lead:400 17px/28px var(--font-serif);--type-body:400 17px/28px var(--font-serif);--type-code-size:13px;--type-code-line:21px}}:root:lang(zh-Hans){--font-serif:var(--font-serif-zh);--font-sans:var(--font-sans-zh);--type-display:600 44px/58px var(--font-serif-zh);--type-h1:600 38px/52px var(--font-serif-zh);--type-h2:600 26px/38px var(--font-serif-zh);--type-lead:400 20px/36px var(--font-serif-zh);--type-body:400 18px/34px var(--font-serif-zh);--type-display-tracking:0;--type-h1-tracking:0;--type-h2-tracking:0}@media (width<=639.98px){:root:lang(zh-Hans){--type-display:600 30px/42px var(--font-serif-zh);--type-h1:600 28px/40px var(--font-serif-zh);--type-h2:600 22px/32px var(--font-serif-zh);--type-lead:400 17px/30px var(--font-serif-zh);--type-body:400 16px/30px var(--font-serif-zh)}}:lang(zh-Hans){line-break:strict}:lang(zh-Hans) em,:lang(zh-Hans) i{font-style:normal;font-weight:600}:lang(de) :is(h1,h2,h3,.prose p){hyphens:auto}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-bg-page);color:var(--color-text-primary);font:400 15px/22px var(--font-sans);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;display:flex}main{flex:1}main:focus{outline:none}h1,h2,h3,p,ul,ol,figure{margin:0}img,svg{max-width:100%;display:block}a{color:var(--color-text-accent);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--color-text-primary);text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:var(--radius-sm)}button{font:inherit;color:inherit}.container{width:100%;max-width:calc(var(--width-container) + 2 * var(--gutter));padding-inline:var(--gutter);margin-inline:auto}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{left:var(--space-4);z-index:100;padding:var(--space-2) var(--space-4);background:var(--color-bg-inverse);color:var(--color-text-on-inverse);font:500 15px/22px var(--font-sans);border-radius:var(--radius-sm);position:absolute;top:-100px}.skip-link:focus{top:var(--space-2)}.label{font:500 12px/16px var(--font-mono);letter-spacing:.06em;text-transform:uppercase}:lang(zh-Hans) .label,.label:lang(zh-Hans){font:500 13px/20px var(--font-sans-zh);letter-spacing:0;text-transform:none}.meta{font:400 13px/20px var(--font-mono);color:var(--color-text-muted)}.muted{color:var(--color-text-muted)}.text-accent{color:var(--color-text-accent)}.display{font:var(--type-display);letter-spacing:var(--type-display-tracking)}.h1{font:var(--type-h1);letter-spacing:var(--type-h1-tracking)}.h2{font:var(--type-h2);letter-spacing:var(--type-h2-tracking)}.h3{font:var(--type-h3)}.lead{font:var(--type-lead);color:var(--color-text-muted)}.ui-small{font:400 13px/20px var(--font-sans)}.page-heading{gap:var(--space-4);padding-block:72px var(--space-12);flex-direction:column;display:flex}@media (width<=639.98px){.page-heading{padding-block:40px var(--space-8)}}.page-heading .lead{max-width:744px}.section{padding-bottom:var(--section-gap)}.prose{font:var(--type-body);gap:var(--space-6);flex-direction:column;display:flex}.prose>h2{font:var(--type-h2);letter-spacing:var(--type-h2-tracking);margin-top:var(--space-8);scroll-margin-top:var(--space-8)}.prose>h3{font:var(--type-h3);scroll-margin-top:var(--space-8)}.prose>h2+h3{margin-top:0}.prose a:visited{color:var(--color-text-muted)}.prose a:visited:hover{color:var(--color-text-primary)}.prose ul,.prose ol{gap:var(--space-2);flex-direction:column;padding-left:1.4em;display:flex}.prose blockquote{border-left:2px solid var(--color-border-strong);color:var(--color-text-muted);margin:0;padding-left:20px}.prose hr{border:0;border-top:1px solid var(--color-border-strong);width:100%}.prose img{height:auto}.prose :not(pre)>code{font-family:var(--font-mono);font-size:.85em}.code-block{background:var(--color-bg-surface);border:1px solid var(--color-border-default);border-radius:var(--radius-md);overflow:hidden}.code-block__header{align-items:center;gap:var(--space-3);min-height:34px;padding:6px var(--space-2) 6px var(--space-4);border-bottom:1px solid var(--color-border-default);display:flex}.code-block__filename{font:400 13px/20px var(--font-mono);color:var(--color-text-muted);overflow-wrap:anywhere}.code-block__lang{color:var(--color-text-muted);margin-left:auto}.code-block__copy{padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);color:var(--color-text-muted);font:400 13px/20px var(--font-sans);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;display:inline-flex}.code-block__copy:hover{background:var(--color-bg-page);color:var(--color-text-primary)}.code-block__copy[data-copied]{color:var(--color-text-accent)}.code-block pre{padding:var(--space-4);font:400 var(--type-code-size) / var(--type-code-line) var(--font-mono);tab-size:4;margin:0;overflow-x:auto;background:0 0!important}.code-block pre code{font:inherit}.code-block[data-line-numbers] pre code{counter-reset:line}.code-block[data-line-numbers] .line:before{counter-increment:line;content:counter(line);width:2ch;margin-right:var(--space-4);text-align:right;color:var(--color-text-muted);opacity:.7;user-select:none;display:inline-block}@media (width<=639.98px){.prose>.code-block{margin-inline:calc(-1 * var(--gutter));border-inline:0;border-radius:0}}.astro-code{--astro-code-foreground:var(--color-text-primary);--astro-code-background:transparent;--astro-code-token-keyword:var(--color-code-keyword);--astro-code-token-string:var(--color-code-string);--astro-code-token-string-expression:var(--color-code-string);--astro-code-token-comment:var(--color-code-comment);--astro-code-token-constant:var(--color-code-string);--astro-code-token-function:var(--color-text-primary);--astro-code-token-parameter:var(--color-text-primary);--astro-code-token-punctuation:var(--color-text-primary);--astro-code-token-link:var(--color-text-accent)}.table-scroll{overflow-x:auto}.prose table{border-collapse:collapse;border-top:2px solid var(--color-text-primary);border-bottom:1px solid var(--color-text-primary);width:100%;font:400 15px/22px var(--font-sans)}.prose th{font:500 12px/16px var(--font-mono);letter-spacing:.06em;color:var(--color-text-muted);border-bottom:1px solid var(--color-border-strong)}.prose th,.prose td{padding:10px var(--space-2);text-align:left;vertical-align:top}.prose tbody tr+tr td{border-top:1px solid var(--color-border-default)}.prose :is(th,td)[align=right],.prose :is(th,td)[style*=right]{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap}.prose figcaption,.prose .caption{font:400 13px/20px var(--font-sans);color:var(--color-text-muted);margin-top:var(--space-3)}.prose .katex-display:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.prose .katex-display{padding-block:var(--space-6);margin:0;overflow:auto hidden}.prose .katex{font-size:1.1em}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.brand[data-astro-cid-uivuhh7y]{color:var(--color-text-primary);white-space:nowrap;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand__mark[data-astro-cid-uivuhh7y]{color:var(--color-text-accent);font:600 28px/28px "Source Serif 4",Georgia,serif}.brand__name[data-astro-cid-uivuhh7y]{font:600 17px/22px IBM Plex Sans,system-ui,sans-serif}.brand[data-astro-cid-uivuhh7y]:hover .brand__name[data-astro-cid-uivuhh7y]{color:var(--color-text-accent)}.icon[data-astro-cid-ccg5yoga]{flex-shrink:0}.site-footer[data-astro-cid-nns7i3if]{border-top:1px solid var(--color-border-default);padding-block:var(--space-12) 56px}.site-footer__inner[data-astro-cid-nns7i3if]{flex-direction:column;gap:40px;display:flex}.site-footer__columns[data-astro-cid-nns7i3if]{gap:var(--space-16);justify-content:space-between;display:flex}.site-footer__about[data-astro-cid-nns7i3if]{gap:var(--space-3);flex-direction:column;max-width:420px;display:flex}.site-footer__links[data-astro-cid-nns7i3if]{gap:var(--space-16);display:flex}.site-footer__links[data-astro-cid-nns7i3if] nav[data-astro-cid-nns7i3if]{flex-direction:column;gap:10px;display:flex}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if]{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{color:var(--color-text-primary);text-decoration:none}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]:hover{color:var(--color-text-accent);text-decoration:underline 2px}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if][aria-current]{text-decoration:underline 1px}.site-footer[data-astro-cid-nns7i3if] [data-astro-cid-nns7i3if][lang=zh-Hans]{font-family:var(--font-sans-zh)}.site-footer__version[data-astro-cid-nns7i3if]{color:inherit;text-decoration:none}.site-footer__version[data-astro-cid-nns7i3if]:hover{color:var(--color-text-primary);text-decoration:underline}.site-footer__rss[data-astro-cid-nns7i3if]{align-items:center;gap:6px;display:inline-flex}@media (width<=767.98px){.site-footer[data-astro-cid-nns7i3if]{padding-block:var(--space-8)}.site-footer__inner[data-astro-cid-nns7i3if]{gap:28px}.site-footer__columns[data-astro-cid-nns7i3if]{flex-direction:column;gap:28px}.site-footer__links[data-astro-cid-nns7i3if]{gap:var(--space-12)}.site-footer[data-astro-cid-nns7i3if] ul[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{padding-block:4px;display:inline-block}}.lang-options[data-astro-cid-q4dsdbks]{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.lang-option[data-astro-cid-q4dsdbks]{align-items:flex-start;gap:var(--space-3);padding:10px var(--space-3);border-radius:var(--radius-sm);color:var(--color-text-primary);text-decoration:none;display:flex}.lang-option[data-astro-cid-q4dsdbks]:hover,.lang-option[data-astro-cid-q4dsdbks]:focus-visible{background:var(--color-bg-surface);color:var(--color-text-primary)}.lang-option__code[data-astro-cid-q4dsdbks]{color:var(--color-text-muted);text-transform:uppercase;flex:0 0 28px;padding-top:3px}.lang-option__text[data-astro-cid-q4dsdbks]{font:400 15px/22px var(--font-sans);flex-direction:column;flex:1;gap:2px;display:flex}.lang-option__text[data-astro-cid-q4dsdbks] [data-astro-cid-q4dsdbks][lang=zh-Hans]{font-family:var(--font-sans-zh)}.lang-option__note[data-astro-cid-q4dsdbks]{font:400 13px/20px var(--font-sans)}.lang-option[data-astro-cid-q4dsdbks].is-current{background:var(--color-bg-accent-subtle)}.lang-option[data-astro-cid-q4dsdbks].is-current .lang-option__code[data-astro-cid-q4dsdbks],.lang-option__check[data-astro-cid-q4dsdbks]{color:var(--color-text-accent)}.lang-option[data-astro-cid-q4dsdbks].is-unavailable{color:var(--color-text-muted)}.lang-option__check[data-astro-cid-q4dsdbks]{margin-top:3px}.lang-switcher[data-astro-cid-3s4v7zxg]{display:block;position:relative}.lang-switcher__trigger[data-astro-cid-3s4v7zxg]{min-height:34px;padding:var(--space-2) 10px;border:1px solid var(--color-border-default);border-radius:var(--radius-sm);color:var(--color-text-primary);cursor:pointer;background:0 0;align-items:center;gap:6px;display:inline-flex}.lang-switcher__trigger[data-astro-cid-3s4v7zxg][hidden]{display:none}.lang-switcher__trigger[data-astro-cid-3s4v7zxg]:hover{border-color:var(--color-text-primary);background:var(--color-bg-surface)}.lang-switcher__trigger[data-astro-cid-3s4v7zxg][aria-expanded=true]{border-color:var(--color-text-primary)}.lang-switcher__trigger[data-astro-cid-3s4v7zxg][aria-expanded=true] .lang-switcher__chevron[data-astro-cid-3s4v7zxg]{transform:rotate(180deg)}.lang-switcher__trigger[data-astro-cid-3s4v7zxg] .label[data-astro-cid-3s4v7zxg]{text-transform:uppercase;font-family:var(--font-mono);letter-spacing:.06em;font-size:12px}.lang-switcher__menu[data-astro-cid-3s4v7zxg]{z-index:20;width:278px;max-width:calc(100vw - 2 * var(--gutter));background:var(--color-bg-page);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:6px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 6px 18px #1a17121a}.lang-switcher__heading[data-astro-cid-3s4v7zxg]{padding:6px var(--space-3) var(--space-1);color:var(--color-text-muted)}.site-header[data-astro-cid-fzpbxy5g]{border-bottom:1px solid var(--color-border-default);background:var(--color-bg-page)}.site-header__inner[data-astro-cid-fzpbxy5g]{align-items:center;gap:var(--space-8);height:76px;display:flex}.site-header__inner[data-astro-cid-fzpbxy5g]>.brand{margin-right:auto}.site-header__nav[data-astro-cid-fzpbxy5g] ul[data-astro-cid-fzpbxy5g]{gap:var(--space-8);margin:0;padding:0;list-style:none;display:flex}.site-header__nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{padding:var(--space-2) 2px 6px;font:500 15px/22px var(--font-sans);color:var(--color-text-muted);border-bottom:2px solid #0000;text-decoration:none;display:block}.site-header__nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{color:var(--color-text-primary)}.site-header__nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g][aria-current]{color:var(--color-text-primary);border-bottom-color:var(--color-text-accent)}.site-header__menu-button[data-astro-cid-fzpbxy5g],.mobile-menu__close[data-astro-cid-fzpbxy5g]{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--color-text-primary);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:inline-flex}.site-header__menu-button[data-astro-cid-fzpbxy5g]:hover,.mobile-menu__close[data-astro-cid-fzpbxy5g]:hover{background:var(--color-bg-surface)}@media (width>=1024px){.site-header__menu-button[data-astro-cid-fzpbxy5g]{display:none}}@media (width<=1023.98px){.site-header__inner[data-astro-cid-fzpbxy5g]{gap:var(--space-1);height:60px;padding-right:var(--space-2)}.site-header__nav[data-astro-cid-fzpbxy5g],.site-header__menu-button[data-astro-cid-fzpbxy5g][hidden]{display:none}}.mobile-menu[data-astro-cid-fzpbxy5g]{border:0;border-bottom:1px solid var(--color-border-strong);background:var(--color-bg-page);width:100%;max-width:none;max-height:100dvh;color:var(--color-text-primary);margin:0;padding:0;overflow-y:auto}.mobile-menu[data-astro-cid-fzpbxy5g]::backdrop{background:#12120f59}.mobile-menu__top[data-astro-cid-fzpbxy5g]{min-height:60px;padding:0 var(--space-2) 0 var(--space-4);justify-content:space-between;align-items:center;display:flex}.mobile-menu__nav[data-astro-cid-fzpbxy5g]{padding:var(--space-2) var(--space-4) var(--space-6);margin:0;list-style:none}.mobile-menu__nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{align-items:center;gap:var(--space-3);padding-block:var(--space-3);border-bottom:1px solid var(--color-border-default);font:600 23px/30px var(--font-serif);letter-spacing:-.5px;color:var(--color-text-primary);text-decoration:none;display:flex}.mobile-menu__nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{color:var(--color-text-accent)}.mobile-menu__dot[data-astro-cid-fzpbxy5g]{font:400 13px/20px var(--font-sans);color:var(--color-text-accent)}.mobile-menu__lang[data-astro-cid-fzpbxy5g]{gap:var(--space-1);padding:0 var(--space-4) var(--space-6);flex-direction:column;display:flex}