@font-face{font-family:Archivo;font-style:normal;font-weight:100 900;font-stretch:100%;font-display:swap;src:url(../media/a2947afc6a06879b-s.1gyfqm5yhhzs7.woff2)format("woff2");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:Archivo;font-style:normal;font-weight:100 900;font-stretch:100%;font-display:swap;src:url(../media/651aaf1801011892-s.357dd_6abeqge.woff2)format("woff2");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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo;font-style:normal;font-weight:100 900;font-stretch:100%;font-display:swap;src:url(../media/75affa71d1e2f6a7-s.p.17-aodiw50953.woff2)format("woff2");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:Archivo Fallback;src:local(Arial);ascent-override:88.96%;descent-override:21.28%;line-gap-override:0.0%;size-adjust:98.7%}.vKFuNW_className{font-family:Archivo,Archivo Fallback;font-style:normal}.vKFuNW_variable{--font-archivo:"Archivo", "Archivo Fallback"}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(../media/20aee433927f7d4b-s.22-vwy_zcz7be.woff2)format("woff2");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-weight:200 900;font-display:swap;src:url(../media/256e1f7f180674ba-s.3_q_pmj-3v7pv.woff2)format("woff2");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-weight:200 900;font-display:swap;src:url(../media/be3bf58b83159894-s.0kupvvif_223v.woff2)format("woff2");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-weight:200 900;font-display:swap;src:url(../media/753b6407f468151f-s.11jlrhjosin9v.woff2)format("woff2");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-weight:200 900;font-display:swap;src:url(../media/292081311a6a8abc-s.3z1vcboutudqk.woff2)format("woff2");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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(../media/68d403cf9f2c68c5-s.p.012bmydply3go.woff2)format("woff2");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 Fallback";src:local(Times New Roman);ascent-override:87.87%;descent-override:28.41%;line-gap-override:0.0%;size-adjust:117.91%}.KbmBwW_className{font-family:"Source Serif 4","Source Serif 4 Fallback";font-style:normal}.KbmBwW_variable{--font-source-serif:"Source Serif 4", "Source Serif 4 Fallback"}
@layer theme{:root,:host{--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-archivo);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.block{display:block}.fill-rule{fill:var(--rule)}}:root{--paper:#f1f2ef;--ink:#15171a;--muted:#5f6266;--rule:#d3d3cb;--accent:#1f35c6;--wash:#e5e6e0;--width:1120px;--read:38rem;--gap:clamp(24px, 4vw, 56px)}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{background:var(--paper);color:var(--ink);font-family:var(--font-archivo), "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;flex-direction:column;min-height:100vh;font-size:17px;line-height:1.7;display:flex}main{flex:1}::selection{background:var(--accent);color:var(--paper)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}.skip{background:var(--ink);color:var(--paper);z-index:10;padding:10px 16px;position:absolute;top:0;left:-9999px}.skip:focus{top:12px;left:12px}.wrap{width:100%;max-width:var(--width);margin:0 auto;padding-left:28px;padding-right:28px}.site-header{border-bottom:1px solid var(--rule)}.site-header .wrap{justify-content:space-between;align-items:baseline;gap:24px;padding-top:22px;padding-bottom:22px;display:flex}.brand{align-items:baseline;gap:10px;display:inline-flex}.brand-name{letter-spacing:.02em;font-size:1.05rem;font-weight:600}.brand-handle{letter-spacing:.04em;color:var(--muted);font-size:.78rem}.nav{color:var(--muted);gap:28px;font-size:.95rem;display:flex}.nav a:hover{color:var(--ink)}.hero{padding-top:clamp(64px,11vw,136px);padding-bottom:clamp(56px,9vw,104px)}.hero h1{letter-spacing:-.02em;text-wrap:balance;max-width:15ch;font-size:clamp(2.5rem,6.2vw,4.6rem);font-weight:500;line-height:1.12}.lede{max-width:34ch;color:var(--muted);margin-top:28px;font-size:1.06rem;line-height:1.75}.hero-links{flex-wrap:wrap;gap:8px 32px;margin-top:40px;padding:0;font-size:.95rem;list-style:none;display:flex}.hero-links a{border-bottom:1px solid var(--rule);padding-bottom:2px}.hero-links span{color:var(--muted)}.hero-links a:hover{border-bottom-color:var(--accent)}.hero-rule{background:var(--accent);height:2px}.section{gap:var(--gap);border-top:1px solid var(--rule);grid-template-columns:108px minmax(0,1fr);padding-top:clamp(44px,6vw,72px);padding-bottom:clamp(44px,6vw,72px);scroll-margin-top:24px;display:grid}.section>h2{letter-spacing:.06em;color:var(--muted);padding-top:.35rem;font-size:.86rem;font-weight:500}.section-body{min-width:0}.ledger{margin:0;padding:0;list-style:none}.ledger li{border-bottom:1px solid var(--rule);grid-template-columns:84px minmax(0,1fr);gap:24px;padding:18px 0;display:grid}.ledger li:first-child{padding-top:0}.ledger li:last-child{border-bottom:0;padding-bottom:0}.meta{color:var(--muted);white-space:nowrap;padding-top:.22rem;font-size:.8rem;line-height:1.7}.ledger h3{letter-spacing:-.005em;font-size:1.06rem;font-weight:600;line-height:1.45}.ledger h3 a:hover{color:var(--accent)}.ledger p{max-width:58ch;color:var(--muted);margin-top:4px;font-size:.94rem;line-height:1.65}.more{border-bottom:1px solid var(--rule);margin-top:28px;padding-bottom:2px;font-size:.92rem;display:inline-block}.more:hover{border-bottom-color:var(--accent)}.inline-link{border-bottom:1px solid var(--rule);padding-bottom:2px}.inline-link:hover{border-bottom-color:var(--accent)}.notfound-links{flex-wrap:wrap;gap:24px;margin-top:20px;display:flex}.about{max-width:var(--read)}.about p{font-size:1.04rem;line-height:1.85}.about p+p{margin-top:1em}.facts{grid-template-columns:max-content minmax(0,1fr);gap:6px 32px;margin-top:32px;font-size:.92rem;display:grid}.facts dt{color:var(--muted)}.contact{flex-wrap:wrap;gap:8px 32px;margin:0;padding:0;font-size:.98rem;list-style:none;display:flex}.contact a{border-bottom:1px solid var(--rule);padding-bottom:2px}.contact span{color:var(--muted)}.contact a:hover{border-bottom-color:var(--accent)}.site-footer{border-top:1px solid var(--rule);margin-top:8px}.site-footer .wrap{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:28px;padding-bottom:44px;font-size:.82rem;display:flex}.page-head{padding-top:clamp(56px,9vw,104px);padding-bottom:clamp(40px,6vw,64px)}.page-head h1{letter-spacing:-.02em;font-size:clamp(2rem,4.4vw,3.1rem);font-weight:500;line-height:1.15}.page-head p{max-width:44ch;color:var(--muted);margin-top:16px}.page-list{border-top:1px solid var(--rule);padding-top:36px;padding-bottom:clamp(64px,9vw,104px)}.article{padding-top:clamp(48px,8vw,96px);padding-bottom:clamp(56px,8vw,96px)}.article-head{max-width:var(--read)}.back{color:var(--muted);border-bottom:1px solid #0000;margin-bottom:32px;font-size:.86rem;display:inline-block}.back:hover{color:var(--ink);border-bottom-color:var(--rule)}.article h1{letter-spacing:-.02em;text-wrap:balance;font-size:clamp(1.9rem,4.2vw,2.9rem);font-weight:600;line-height:1.2}.article-meta{color:var(--muted);flex-wrap:wrap;gap:8px 24px;margin-top:18px;font-size:.86rem;display:flex}.prose{max-width:var(--read);font-family:var(--font-source-serif), "PingFang SC", "Hiragino Sans GB", "Source Han Serif SC", "Noto Serif CJK SC", serif;margin-top:clamp(36px,5vw,56px);font-size:1.09rem;line-height:1.9}.prose>*+*{margin-top:1.15em}.prose h2{font-family:var(--font-archivo), "PingFang SC", sans-serif;letter-spacing:-.01em;margin-top:2.4em;margin-bottom:.7em;font-size:1.28rem;font-weight:600;line-height:1.4}.prose ul,.prose ol{padding-left:1.35em}.prose ul{list-style:outside}.prose ol{list-style:decimal}.prose li::marker{color:var(--muted)}.prose li+li{margin-top:.35em}.prose strong{font-weight:600}.prose a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.prose blockquote{border-left:2px solid var(--accent);color:var(--muted);padding-left:20px}.prose code{background:var(--wash);border-radius:3px;padding:.12em .35em;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.88em}.prose pre{background:var(--ink);color:#ececec;border-radius:4px;padding:20px;font-size:.9rem;line-height:1.6;overflow-x:auto}.prose pre code{font-size:inherit;background:0 0;padding:0}.article-nav{max-width:var(--read);border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;gap:20px;margin-top:clamp(56px,8vw,88px);padding-top:24px;font-size:.92rem;display:flex}.article-nav a{max-width:46%}.article-nav a:last-child{text-align:right;margin-left:auto}.article-nav span{color:var(--muted);margin-bottom:2px;font-size:.78rem;display:block}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}@media (max-width:720px){body{font-size:16px}.wrap{padding-left:20px;padding-right:20px}.section{grid-template-columns:1fr;gap:20px}.section>h2{padding-top:0}.ledger li{grid-template-columns:1fr;gap:4px}.meta{padding-top:0}.facts{grid-template-columns:1fr;gap:2px}.facts dd{margin-bottom:10px}.article-nav a{max-width:100%}}